/* ================================================================
   BDOH — style.css  v3.0 MASTERPIECE
   Fonts: Bebas Neue (display) + Plus Jakarta Sans (UI) + DM Sans (body)
================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ── Design tokens ───────────────────────────────────────────── */
:root {
  --teal:       #007B8F;
  --teal-lt:    #00b4cc;
  --teal-glow:  rgba(0,123,143,.42);
  --green:      #4CAF50;
  --green-lt:   #66bb6a;
  --green-glow: rgba(76,175,80,.35);
  --gold:       #FFD700;
  --gold-glow:  rgba(255,215,0,.28);

  --bg:         #06091A;
  --bg2:        #090d22;
  --bg3:        #0e1330;
  --sf:         rgba(255,255,255,.045);
  --sf-hov:     rgba(0,123,143,.11);
  --bd:         rgba(255,255,255,.075);
  --bd-a:       rgba(0,123,143,.32);

  --txt:        #eef1ff;
  --txt-m:      rgba(238,241,255,.58);
  --txt-d:      rgba(238,241,255,.3);

  --fD:'Bebas Neue',sans-serif;
  --fH:'Plus Jakarta Sans',sans-serif;
  --fB:'DM Sans',sans-serif;

  --g:   linear-gradient(120deg,#007B8F,#4CAF50 52%,#FFD700);
  --gb:  linear-gradient(90deg,#007B8F,#4CAF50);
  --gb2: linear-gradient(90deg,#4CAF50,#FFD700);

  --r:   14px;
  --rl:  22px;
  --rxl: 32px;
  --ease: cubic-bezier(.4,0,.2,1);
  --spring: cubic-bezier(.34,1.56,.64,1);
}

[data-theme=light] {
  --bg:#f0f5f9; --bg2:#e3ecf4; --bg3:#d6e4ef;
  --sf:rgba(0,0,0,.042); --sf-hov:rgba(0,123,143,.08);
  --bd:rgba(0,0,0,.09); --bd-a:rgba(0,123,143,.28);
  --txt:#080d24; --txt-m:rgba(8,13,36,.6); --txt-d:rgba(8,13,36,.32);
}

/* ── Reset ───────────────────────────────────────────────────── */
*,::before,::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{background:var(--bg);color:var(--txt);font-family:var(--fB);
  line-height:1.72;overflow-x:hidden;
  transition:background .4s var(--ease),color .4s var(--ease)}
a{color:inherit;text-decoration:none}
button{font-family:var(--fB);cursor:pointer;border:none;background:none}
img{max-width:100%;height:auto;display:block}
ul{list-style:none;padding:0;margin:0}

/* ── Kinetic canvas (kinetic bg) ─────────────────────────────── */
#kineticCanvas{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  width:100%;height:100%;
}

/* ── Blobs ───────────────────────────────────────────────────── */
.blobs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.blob{
  position:absolute;border-radius:50%;
  filter:blur(160px);animation:blobDrift 26s ease-in-out infinite;
  mix-blend-mode: screen;
}
.b1{width:700px;height:700px;top:-200px;left:-200px;opacity:.13;
    background:radial-gradient(circle,#007B8F,transparent 70%);animation-duration:28s}
.b2{width:580px;height:580px;top:30%;right:-150px;opacity:.11;
    background:radial-gradient(circle,#4CAF50,transparent 70%);animation-delay:-11s;animation-duration:22s}
.b3{width:450px;height:450px;bottom:5%;left:25%;opacity:.08;
    background:radial-gradient(circle,#FFD700,transparent 70%);animation-delay:-18s;animation-duration:30s}
.b4{width:380px;height:380px;bottom:-100px;right:20%;opacity:.09;
    background:radial-gradient(circle,#007B8F,transparent 70%);animation-delay:-8s;animation-duration:20s}
@keyframes blobDrift{
  0%,100%{transform:translate(0,0) scale(1)}
  25%{transform:translate(75px,-55px) scale(1.08)}
  50%{transform:translate(-45px,70px) scale(.93)}
  75%{transform:translate(50px,38px) scale(1.05)}
}

/* ── Layout helpers ──────────────────────────────────────────── */
.above{position:relative;z-index:2}
.container{
  position:relative;z-index:2;
  max-width:1280px;margin:0 auto;padding:0 clamp(20px,4vw,60px);
}
.section{padding:clamp(60px,8vw,108px) 0}
.section>.container{padding-top:0;padding-bottom:0}

/* ── Typography ──────────────────────────────────────────────── */
.s-tag{
  display:inline-block;font-family:var(--fH);font-size:11px;font-weight:700;
  letter-spacing:3px;text-transform:uppercase;color:var(--green);
  margin-bottom:14px;
}
.s-title{
  font-family:var(--fH);font-size:clamp(30px,4vw,54px);font-weight:800;
  color:var(--txt);line-height:1.08;margin-bottom:14px;
}
.s-sub{
  font-size:clamp(15px,1.5vw,17px);color:var(--txt-m);
  max-width:580px;line-height:1.78;margin-bottom:clamp(40px,5vw,60px);
}
.grad-text{
  background:var(--g);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;
}

/* ── Reveal animation ────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(48px);
  transition:opacity .75s var(--ease),transform .75s var(--ease)}
.reveal.on{opacity:1;transform:none}
.rd1{transition-delay:.06s}.rd2{transition-delay:.14s}
.rd3{transition-delay:.22s}.rd4{transition-delay:.30s}.rd5{transition-delay:.38s}

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn-primary{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--gb);color:#fff;
  border:none;border-radius:32px;font-family:var(--fH);font-weight:700;
  transition:all .3s var(--spring);cursor:pointer;
  box-shadow:0 6px 28px var(--teal-glow);
  text-decoration:none;
}
.btn-primary:hover{
  background:linear-gradient(90deg,#00a8c0,#66bb6a);
  transform:translateY(-3px) scale(1.03);
  box-shadow:0 14px 40px var(--teal-glow);
}
.btn-primary:active{transform:scale(.97)}

.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  background:transparent;color:var(--txt);
  border:1.5px solid rgba(255,255,255,.2);border-radius:32px;
  font-family:var(--fH);font-weight:700;
  transition:all .28s var(--ease);cursor:pointer;backdrop-filter:blur(8px);
  text-decoration:none;
}
.btn-ghost:hover{
  border-color:var(--teal);background:rgba(0,123,143,.13);
  transform:translateY(-2px);
}
[data-theme=light] .btn-ghost{border-color:rgba(0,0,0,.2)}

.btn-lg{padding:15px 34px;font-size:15px}
.btn-sm{padding:9px 20px;font-size:13px}

/* ── NAVBAR ──────────────────────────────────────────────────── */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:800;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px clamp(20px,4vw,56px);
  background:rgba(6,9,26,.65);
  backdrop-filter:blur(24px) saturate(1.4);
  -webkit-backdrop-filter:blur(24px) saturate(1.4);
  border-bottom:1px solid rgba(0,123,143,.1);
  transition:padding .35s var(--ease),background .35s,border-color .35s;
}
.navbar.scrolled{
  padding:11px clamp(20px,4vw,56px);
  background:rgba(6,9,26,.95);
  border-bottom-color:rgba(0,123,143,.25);
}
[data-theme=light] .navbar{background:rgba(240,245,249,.78)}
[data-theme=light] .navbar.scrolled{background:rgba(240,245,249,.97)}

.nav-brand{
  display:flex;align-items:center;gap:12px;flex-shrink:0;
}
.nav-logo-img{
  width:44px;height:44px;border-radius:50%;object-fit:cover;
  filter:drop-shadow(0 0 12px var(--teal-glow));
  animation:logoPulse 3.8s ease-in-out infinite;
}
@keyframes logoPulse{
  0%,100%{filter:drop-shadow(0 0 12px var(--teal-glow))}
  50%{filter:drop-shadow(0 0 26px var(--teal-glow)) drop-shadow(0 0 44px var(--green-glow))}
}
.nav-brand-text{
  font-family:var(--fH);font-size:14px;font-weight:600;
  color:var(--txt);line-height:1.25;
}
.nav-brand-text strong{
  display:block;font-weight:800;
  background:var(--g);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;
}

.nav-links{display:flex;gap:2px}
.nl{
  font-family:var(--fH);font-size:13.5px;font-weight:600;
  color:var(--txt-m);padding:7px 13px;border-radius:9px;
  position:relative;transition:color .22s;
}
.nl::after{
  content:'';position:absolute;bottom:3px;left:50%;right:50%;
  height:2px;background:var(--gb);border-radius:2px;
  transition:left .28s var(--ease),right .28s var(--ease);
}
.nl:hover,.nl.active{color:var(--txt)}
.nl:hover::after,.nl.active::after{left:13px;right:13px}

.nav-actions{display:flex;align-items:center;gap:10px}
.btn-theme{
  width:40px;height:40px;border-radius:50%;
  background:var(--sf);border:1px solid var(--bd);
  color:var(--txt);display:flex;align-items:center;justify-content:center;
  transition:all .25s;flex-shrink:0;
}
.btn-theme:hover{background:var(--sf-hov);border-color:var(--bd-a);transform:rotate(20deg)}

.hamburger{
  display:none;flex-direction:column;gap:5px;cursor:pointer;
  padding:7px;border-radius:9px;
  background:var(--sf);border:1px solid var(--bd);flex-shrink:0;
}
.hamburger span{
  width:22px;height:2px;background:var(--txt);border-radius:2px;
  transition:all .32s var(--ease);display:block;
}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0;transform:translateX(-10px)}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Mobile menu */
.mob-menu{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(320px,88vw);
  z-index:1060;
  background:var(--bg);
  border-left:1px solid var(--bd-a);
  box-shadow:-12px 0 48px rgba(0,0,0,.45);
  backdrop-filter:blur(24px) saturate(1.4);
  -webkit-backdrop-filter:blur(24px) saturate(1.4);
  display:flex;flex-direction:column;
  align-items:stretch;justify-content:flex-start;
  gap:0;padding:0;
  /* hidden off-screen to the right */
  transform:translateX(100%);
  transition:transform .32s cubic-bezier(0.4,0,0.2,1);
  overflow-y:auto;
  overflow-x:hidden;
}
.mob-menu.open{transform:translateX(0)}

/* Backdrop behind the drawer */
.mob-menu-backdrop{
  position:fixed;inset:0;z-index:1055;
  background:rgba(0,0,0,0);
  pointer-events:none;
  transition:background 0.32s ease;
}
.mob-menu-backdrop.open{
  background:rgba(0,0,0,0.5);
  pointer-events:all;
}
.mob-close{
  position:absolute;top:16px;right:16px;
  width:36px;height:36px;border-radius:8px;
  background:var(--sf);border:1px solid var(--bd);
  color:var(--txt);font-size:16px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s;z-index:2;
}
.mob-close:hover{background:rgba(239,68,68,.15);border-color:rgba(239,68,68,.35);color:#f87171}

/* Spacer so nav links don't sit under the close button */
.mob-menu-top-pad{
  display:block;
  height:68px;
  flex-shrink:0;
  border-bottom:1px solid var(--bd);
  position:relative;
}
.mob-menu-top-pad::before{
  content:'BDOH';
  position:absolute;
  left:24px;top:50%;transform:translateY(-50%);
  font-family:var(--fH);font-size:16px;font-weight:800;letter-spacing:.06em;
  background:var(--gb);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.mob-link{
  font-family:var(--fH);font-size:26px;font-weight:800;
  color:var(--txt-m);padding:10px 48px;border-radius:14px;
  transition:all .22s;display:block;
}
.mob-link:hover{color:var(--green);background:var(--sf)}
.mob-cta{
  margin-top:24px;font-family:var(--fH);font-weight:700;font-size:16px;
  background:var(--gb);color:#fff;padding:14px 48px;
  border-radius:32px;box-shadow:0 6px 28px var(--teal-glow);
}

/* ── HERO ────────────────────────────────────────────────────── */
.hero{
  min-height:100svh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  padding:clamp(100px,12vw,140px) clamp(20px,4vw,60px) clamp(60px,8vw,100px);
  position:relative;overflow:hidden;z-index:2;
}
.hero-inner{
  display:grid;grid-template-columns:1fr 500px;
  gap:clamp(40px,5vw,80px);align-items:center;
  width:100%;max-width:1280px;margin:0 auto;
}

/* hero text */
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(0,123,143,.14);border:1px solid rgba(0,123,143,.35);
  color:#5bcfdf;font-family:var(--fH);font-size:12px;font-weight:600;
  padding:7px 18px;border-radius:20px;margin-bottom:24px;
  animation:fadeUp .9s .1s ease both;
}
.pulse-dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 10px var(--green);
  animation:blink 1.6s ease-in-out infinite;flex-shrink:0;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.2}}

.hero-h1{
  font-family:var(--fD);
  font-size:clamp(72px,10vw,140px);
  line-height:.95;letter-spacing:2px;
  margin-bottom:6px;color:var(--txt);
}
.display-line{display:block}
.hero-h2 {
  font-family: var(--fD);
  font-size: clamp(38px, 5.5vw, 80px);
  line-height: 1;
  letter-spacing: 1px;
  margin-bottom: 28px;
  
  /* 1. THIS IS THE MAGIC LINE: Shrink-wraps the gradient to the text! */
  width: fit-content; 
  
  /* 2. Punchier gradient stops to match the logo exactly */
  background-image: linear-gradient(to right, #007B8F 0%, #4CAF50 50%, #FFD700 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub{
  font-size:clamp(15px,1.6vw,18px);color:var(--txt-m);
  line-height:1.76;max-width:540px;margin-bottom:40px;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:48px}

.hero-stats{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.hstat{display:flex;flex-direction:column;gap:4px}
.hstat-n{
  font-family:var(--fH);font-size:28px;font-weight:800;
  background:var(--g);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;line-height:1;
}
.hstat-l{font-size:11.5px;color:var(--txt-d);font-family:var(--fH);font-weight:500;text-transform:uppercase;letter-spacing:.5px}
.hstat-div{width:1px;height:36px;background:var(--bd)}

/* ── TORCH VISUAL ────────────────────────────────────────────── */
.hero-visual{display:flex;align-items:center;justify-content:center}
.torch-stage{
  position:relative;width:clamp(300px,36vw,500px);
  height:clamp(380px,46vw,640px);
  display:flex;align-items:center;justify-content:center;
}

/* Orbit canvas inside torch stage */
.orbit-canvas{
  position:absolute;inset:0;width:100%;height:100%;
  pointer-events:none;
}

/* knowledge nodes */
.knode{
  position:absolute;width:12px;height:12px;border-radius:50%;
  background:var(--teal-lt);box-shadow:0 0 16px var(--teal-lt),0 0 32px var(--teal-glow);
  animation:knodePulse 2.5s ease-in-out infinite,knodeOrbit 8s linear infinite;
}
.kn1{animation-delay:0s;   animation-duration:8s,  9s}
.kn2{animation-delay:-.8s; animation-duration:10s,12s;background:#81c784;box-shadow:0 0 16px #81c784}
.kn3{animation-delay:-1.6s;animation-duration:12s,15s;background:var(--gold);box-shadow:0 0 16px var(--gold)}
.kn4{animation-delay:-2.4s;animation-duration:9s, 11s}
.kn5{animation-delay:-3.2s;animation-duration:11s,14s;background:#ce93d8;box-shadow:0 0 16px #ce93d8}
.kn6{animation-delay:-4s;  animation-duration:13s,16s;background:#ffb74d;box-shadow:0 0 16px #ffb74d}
@keyframes knodePulse{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.6);opacity:1}}
@keyframes knodeOrbit{
  0%  {offset-path:none;top:10%;left:50%}
  16% {top:2%;left:75%}
  33% {top:30%;left:92%}
  50% {top:70%;left:80%}
  66% {top:88%;left:40%}
  83% {top:60%;left:5%}
  100%{top:10%;left:50%}
}

/* torch image wrapper */
.torch-glow-wrap{
  position:relative;z-index:4;
  display:flex;align-items:center;justify-content:center;
}
.torch-aura{
  position:absolute;
  width:clamp(200px,25vw,340px);
  height:clamp(200px,25vw,340px);
  border-radius:50%;
  background:radial-gradient(
    circle,
    rgba(0,180,204,.28) 0%,
    rgba(76,175,80,.18) 40%,
    rgba(255,215,0,.1) 65%,
    transparent 75%
  );
  animation:auraPulse 3.5s ease-in-out infinite;
  top:20%;transform:translateY(-10%);
}
@keyframes auraPulse{
  0%,100%{opacity:.7;transform:translateY(-10%) scale(1)}
  50%{opacity:1;transform:translateY(-10%) scale(1.2)}
}
.torch-img{
  position:relative;z-index:4;
  width:clamp(200px,26vw,340px);
  height:auto;
  filter:
    drop-shadow(0 0 30px rgba(0,180,204,.7))
    drop-shadow(0 0 70px rgba(76,175,80,.4))
    drop-shadow(0 0 120px rgba(0,123,143,.25));
  animation:torchFloat 5s ease-in-out infinite;
  will-change:transform,filter;
}
@keyframes torchFloat{
  0%,100%{transform:translateY(0) rotate(.3deg);
    filter:drop-shadow(0 0 30px rgba(0,180,204,.7)) drop-shadow(0 0 70px rgba(76,175,80,.4)) drop-shadow(0 0 120px rgba(0,123,143,.25))}
  33%{transform:translateY(-18px) rotate(1.5deg);
    filter:drop-shadow(0 0 50px rgba(255,215,0,.8)) drop-shadow(0 0 90px rgba(0,180,204,.5)) drop-shadow(0 0 150px rgba(76,175,80,.3))}
  66%{transform:translateY(-8px) rotate(-1deg);
    filter:drop-shadow(0 0 40px rgba(76,175,80,.8)) drop-shadow(0 0 80px rgba(0,180,204,.45)) drop-shadow(0 0 130px rgba(255,215,0,.2))}
}

/* scroll cue */
.scroll-cue{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:var(--txt-d);font-size:11px;font-family:var(--fH);font-weight:500;
  letter-spacing:1px;animation:fadeUp 1s 1.2s ease both;
}
.scroll-pill{
  width:24px;height:36px;border:1.5px solid rgba(255,255,255,.18);
  border-radius:12px;display:flex;justify-content:center;padding-top:6px;
}
.scroll-pill::after{
  content:'';width:4px;height:7px;border-radius:3px;background:var(--green);
  animation:scrollBob 1.7s ease-in-out infinite;
}
@keyframes scrollBob{0%,100%{opacity:1;transform:none}55%{opacity:.3;transform:translateY(13px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(36px)}to{opacity:1;transform:none}}

/* ── STATS STRIP ─────────────────────────────────────────────── */
.stats-strip{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(0,123,143,.12);
  border-top:1px solid rgba(0,123,143,.14);
  border-bottom:1px solid rgba(0,123,143,.14);
  gap:1px;
}
.sstat{
  background:var(--bg2);padding:clamp(20px,3vw,32px) 24px;
  text-align:center;transition:background .28s;
}
.sstat:hover{background:rgba(0,123,143,.09)}
.sstat-n{
  display:block;font-family:var(--fH);font-size:clamp(30px,3.5vw,44px);font-weight:800;
  background:var(--g);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;line-height:1;
}
.sstat-l{display:block;font-size:13px;color:var(--txt-m);margin-top:7px;font-family:var(--fH);font-weight:500}

/* ── FEATURE CARDS ───────────────────────────────────────────── */
.feat-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
}
.feat-card{
  background:var(--sf);border:1px solid var(--bd);border-radius:var(--r);
  padding:clamp(22px,2.5vw,30px);
  transition:all .35s var(--ease);position:relative;overflow:hidden;cursor:default;
}
.feat-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(0,123,143,.08),transparent 58%);
  opacity:0;transition:opacity .35s;
}
.feat-card:hover{
  border-color:var(--bd-a);transform:translateY(-6px);
  box-shadow:0 24px 56px rgba(0,0,0,.26),0 0 0 1px rgba(0,123,143,.18);
}
.feat-card:hover::before{opacity:1}
.feat-icon{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;transition:transform .32s var(--spring);
}
.feat-card:hover .feat-icon{transform:scale(1.18) rotate(-6deg)}
.i-teal{background:rgba(0,123,143,.22)}
.i-green{background:rgba(76,175,80,.18)}
.i-gold{background:rgba(255,215,0,.14)}
.feat-title{font-family:var(--fH);font-size:clamp(16px,1.6vw,19px);font-weight:800;color:var(--txt);margin-bottom:10px}
.feat-body{font-size:14px;color:var(--txt-m);line-height:1.74}

/* ── CATEGORY CARDS ──────────────────────────────────────────── */
.cat-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
}
.cat-card{
  border-radius:var(--r);padding:clamp(20px,2.5vw,28px);cursor:pointer;
  border:1px solid transparent;transition:all .32s var(--ease);
  position:relative;overflow:hidden;
}
.cat-card::after{
  content:'';position:absolute;top:-32px;right:-32px;
  width:100px;height:100px;border-radius:50%;opacity:.14;
  transition:opacity .32s,transform .38s;
}
.cat-card:hover{transform:translateY(-5px);border-radius:var(--rl)}
.cat-card:hover::after{opacity:.3;transform:scale(1.4)}
.c-phy{background:rgba(0,123,143,.09);border-color:rgba(0,123,143,.22)}.c-phy::after{background:#007B8F}
.c-mat{background:rgba(76,175,80,.07);border-color:rgba(76,175,80,.22)}.c-mat::after{background:#4CAF50}
.c-che{background:rgba(255,215,0,.06);border-color:rgba(255,215,0,.18)}.c-che::after{background:#FFD700}
.c-bio{background:rgba(91,207,223,.07);border-color:rgba(91,207,223,.2)}.c-bio::after{background:#5bcfdf}
.c-inf{background:rgba(156,39,176,.07);border-color:rgba(156,39,176,.18)}.c-inf::after{background:#9c27b0}
.c-ast{background:rgba(255,152,0,.06);border-color:rgba(255,152,0,.18)}.c-ast::after{background:#ff9800}
.cat-icon{margin-bottom:14px}
.cat-name{font-family:var(--fH);font-size:clamp(16px,1.8vw,19px);font-weight:800;color:var(--txt);margin-bottom:6px}
.cat-desc{font-size:12.5px;color:var(--txt-m);line-height:1.62;margin-bottom:14px}
.cat-pill{display:inline-block;font-size:11px;padding:3px 12px;border-radius:12px;font-family:var(--fH);font-weight:700}
.c-phy .cat-pill{background:rgba(0,123,143,.25);color:#5bcfdf}
.c-mat .cat-pill{background:rgba(76,175,80,.2);color:#81c784}
.c-che .cat-pill{background:rgba(255,215,0,.15);color:#FFD700}
.c-bio .cat-pill{background:rgba(91,207,223,.18);color:#5bcfdf}
.c-inf .cat-pill{background:rgba(156,39,176,.2);color:#ce93d8}
.c-ast .cat-pill{background:rgba(255,152,0,.15);color:#ffb74d}

/* ── PRACTICE ────────────────────────────────────────────────── */
.practice-header{
  display:flex;align-items:flex-end;justify-content:space-between;
  flex-wrap:wrap;gap:20px;margin-bottom:clamp(20px,2.5vw,28px);
}

/* ── Streak pill ── */
.streak-pill{
  display:flex;align-items:center;gap:7px;
  background:rgba(255,215,0,.1);border:1px solid rgba(255,215,0,.28);
  color:#FFD700;padding:8px 16px;border-radius:22px;
  font-family:var(--fH);font-size:13px;font-weight:700;
}

/* ── Practice controls row ── */
.practice-controls{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  margin-bottom:14px;
}
.prob-search-wrap{
  position:relative;display:flex;align-items:center;
  flex:1;min-width:200px;max-width:320px;
}
.prob-search-icon{
  position:absolute;left:13px;color:var(--txt-d);pointer-events:none;
}
.prob-search-input{
  width:100%;background:var(--sf);border:1px solid var(--bd);border-radius:22px;
  padding:9px 18px 9px 36px;font-family:var(--fB);font-size:13px;color:var(--txt);
  outline:none;transition:border-color .22s,box-shadow .22s;
}
.prob-search-input:focus{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-glow)}
.prob-search-input::placeholder{color:var(--txt-d)}

.filter-row{display:flex;gap:6px;flex-wrap:wrap}
.f-btn{
  background:var(--sf);border:1px solid var(--bd);
  color:var(--txt-m);padding:7px 16px;border-radius:20px;
  font-family:var(--fH);font-size:12px;font-weight:600;
  transition:all .2s;cursor:pointer;
}
.f-btn:hover,.f-btn.active{background:rgba(0,123,143,.18);border-color:var(--teal);color:var(--txt)}

.diff-filter-row{display:flex;gap:5px;flex-wrap:wrap}
.d-btn{
  background:var(--sf);border:1px solid var(--bd);
  color:var(--txt-m);padding:6px 14px;border-radius:20px;
  font-family:var(--fH);font-size:11.5px;font-weight:700;
  transition:all .2s;cursor:pointer;
}
.d-btn:hover{border-color:var(--bd-a);color:var(--txt)}
.d-btn.active[data-d="All"]{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:var(--txt)}
.d-btn.active[data-d="Easy"]{background:rgba(76,175,80,.18);border-color:rgba(76,175,80,.5);color:#81c784}
.d-btn.active[data-d="Medium"]{background:rgba(255,152,0,.18);border-color:rgba(255,152,0,.5);color:#ffb74d}
.d-btn.active[data-d="Hard"]{background:rgba(239,68,68,.18);border-color:rgba(239,68,68,.5);color:#f87171}

/* ── Status legend ── */
.prob-status-legend{
  display:flex;align-items:center;gap:6px;margin-bottom:18px;
  font-family:var(--fH);font-size:12px;color:var(--txt-d);
}
.legend-dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}
.legend-dot.solved{background:#4CAF50}
.legend-dot.attempted{background:#FFD700}
.legend-dot.unseen{background:var(--bd-a);border:1px solid rgba(255,255,255,.2)}

/* ── Problem cards ── */
.prob-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
}
.prob-card{
  background:var(--sf);border:1px solid var(--bd);border-radius:var(--r);
  padding:clamp(18px,2vw,24px);cursor:pointer;transition:all .28s;
  border-left:4px solid transparent;
  position:relative;overflow:hidden;
}
.prob-card:hover{
  border-color:var(--bd-a);transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(0,0,0,.22);
}
/* Status border colours — left edge */
.prob-card.status-solved{border-left-color:#4CAF50}
.prob-card.status-attempted{border-left-color:#FFD700}
.prob-card.status-unseen{border-left-color:transparent}

/* Status corner badge */
.prob-status-badge{
  position:absolute;top:12px;right:12px;
  font-family:var(--fH);font-size:10px;font-weight:700;
  padding:2px 8px;border-radius:8px;
}
.prob-status-badge.solved{background:rgba(76,175,80,.18);color:#81c784}
.prob-status-badge.attempted{background:rgba(255,215,0,.15);color:#FFD700}

.prob-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px}
.d-badge{font-size:10.5px;padding:3px 12px;border-radius:9px;font-family:var(--fH);font-weight:700}
.d-easy{background:rgba(76,175,80,.18);color:#81c784}
.d-med{background:rgba(255,152,0,.18);color:#ffb74d}
.d-hard{background:rgba(239,68,68,.18);color:#f87171}
.p-subj{font-size:10.5px;color:var(--txt-d);font-family:var(--fH);font-weight:700;text-transform:uppercase;letter-spacing:1.2px}
.p-title{font-family:var(--fH);font-size:clamp(14px,1.4vw,16px);font-weight:800;color:var(--txt);margin-bottom:9px}
.p-stmt{font-size:13px;color:var(--txt-m);line-height:1.68;margin-bottom:15px}
.p-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--bd);padding-top:13px;gap:8px;flex-wrap:wrap}
.p-meta{font-size:11px;color:var(--txt-d);font-family:var(--fH)}

/* Success rate bar on card */
.p-success-bar{height:3px;border-radius:2px;background:var(--bd);margin-bottom:14px;overflow:hidden}
.p-success-fill{height:100%;border-radius:2px;background:linear-gradient(90deg,var(--teal),var(--green));transition:width .6s ease}

.p-start-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--gb);color:#fff;padding:7px 16px;border-radius:18px;
  font-family:var(--fH);font-size:12px;font-weight:700;
  border:none;cursor:pointer;transition:all .24s var(--spring);
  box-shadow:0 3px 12px var(--teal-glow);white-space:nowrap;
}
.p-start-btn:hover{transform:scale(1.06);box-shadow:0 6px 20px var(--teal-glow)}

/* ── +pts toast ── */
.pts-toast{
  position:fixed;bottom:32px;left:50%;
  transform:translateX(-50%) translateY(20px);
  background:linear-gradient(135deg,#007B8F,#4CAF50);
  color:#fff;padding:12px 28px;border-radius:30px;
  font-family:var(--fH);font-size:15px;font-weight:800;
  z-index:9999;pointer-events:none;
  box-shadow:0 10px 32px rgba(0,123,143,.45);
  transition:opacity .4s,transform .4s;opacity:0;
  letter-spacing:.3px;
}
.pts-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ── Solved banner on problem overlay ── */
.exam-solved-banner{
  background:rgba(76,175,80,.15);border:1px solid rgba(76,175,80,.3);
  border-radius:10px;padding:10px 16px;
  font-family:var(--fH);font-size:13px;font-weight:700;color:#81c784;
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.exam-success-stat{
  display:flex;align-items:center;gap:6px;
  font-family:var(--fH);font-size:12px;color:var(--txt-d);margin-top:8px;
}

/* No-results empty state */
.prob-empty{
  grid-column:1/-1;text-align:center;padding:60px 20px;
  font-family:var(--fH);color:var(--txt-d);font-size:15px;
}
.prob-empty svg{display:block;margin:0 auto 14px;opacity:.3}

/* ── CONTESTS ────────────────────────────────────────────────── */
.contest-list{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px}
.con-card{
  background:var(--sf);border:1px solid var(--bd);border-radius:var(--r);
  padding:clamp(16px,2vw,22px) clamp(18px,2.5vw,28px);
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;cursor:pointer;transition:all .32s;
}
.con-card:hover{border-color:var(--bd-a);transform:translateX(6px);box-shadow:0 12px 36px rgba(0,0,0,.2)}
.con-left{display:flex;gap:18px;align-items:center;flex:1;min-width:0}
.con-date{background:rgba(0,123,143,.17);border-radius:12px;padding:12px 14px;text-align:center;min-width:60px;flex-shrink:0}
.con-day{font-family:var(--fH);font-size:26px;font-weight:800;color:#5bcfdf;line-height:1}
.con-mon{font-family:var(--fH);font-size:10px;font-weight:700;color:var(--txt-d);margin-top:2px;text-transform:uppercase;letter-spacing:1px}
.con-info{min-width:0}
.con-info h4{font-family:var(--fH);font-size:clamp(13px,1.4vw,16px);font-weight:800;color:var(--txt);margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.con-info p{font-size:12.5px;color:var(--txt-m)}
.con-tags{display:flex;gap:7px;margin-top:8px;flex-wrap:wrap}
.con-tag{font-size:10px;padding:3px 9px;border-radius:7px;background:rgba(255,255,255,.07);color:var(--txt-d);font-family:var(--fH);font-weight:600}
.badge{font-size:12px;padding:7px 16px;border-radius:16px;font-family:var(--fH);font-weight:700;white-space:nowrap;flex-shrink:0}
.b-live{background:rgba(239,68,68,.18);color:#f87171;display:flex;align-items:center;gap:7px}
.b-live::before{content:'';width:7px;height:7px;border-radius:50%;background:#f87171;animation:blink 1s infinite;flex-shrink:0}
.b-open{background:rgba(76,175,80,.17);color:#81c784}
.b-soon{background:rgba(255,215,0,.13);color:#FFD700}
.b-past{background:rgba(255,255,255,.07);color:var(--txt-m)}

/* ── PRESIDENT CORNER ────────────────────────────────────────── */
.pres-wrap{
  position:relative;z-index:2;
  display:grid;grid-template-columns:auto 1fr;gap:clamp(40px,5vw,70px);align-items:center;
}
.pres-photo-wrap{position:relative;display:flex;justify-content:center}
.pres-ring{
  width:clamp(220px,22vw,300px);height:clamp(220px,22vw,300px);
  border-radius:50%;
  background:conic-gradient(from 0deg,#007B8F,#4CAF50,#FFD700,#007B8F);
  padding:4px;display:flex;align-items:center;justify-content:center;
  animation:presGlow 4s ease-in-out infinite,presRingSpin 20s linear infinite;
  box-shadow:0 0 40px var(--teal-glow),0 0 80px var(--green-glow);
}
@keyframes presGlow{
  0%,100%{box-shadow:0 0 40px var(--teal-glow),0 0 80px var(--green-glow)}
  50%{box-shadow:0 0 70px var(--teal-glow),0 0 120px var(--green-glow),0 0 160px var(--gold-glow)}
}
@keyframes presRingSpin{to{background:conic-gradient(from 360deg,#007B8F,#4CAF50,#FFD700,#007B8F)}}
.pres-inner{
  width:100%;height:100%;border-radius:50%;overflow:hidden;
  background:var(--bg3);display:flex;align-items:center;justify-content:center;
}
.pres-inner img{width:100%;height:100%;object-fit:cover}
.pres-initials{font-family:var(--fH);font-size:clamp(50px,6vw,80px);font-weight:800;
  background:var(--g);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.pres-badge{
  position:absolute;bottom:6px;right:calc(50% - clamp(110px,11vw,150px));
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,#FFD700,#ffb300);
  display:flex;align-items:center;justify-content:center;font-size:24px;
  box-shadow:0 0 24px var(--gold-glow);animation:torchFloat 3.5s ease-in-out infinite;
}
.pres-corner-tag{font-family:var(--fH);font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.pres-name{font-family:var(--fH);font-size:clamp(32px,4vw,48px);font-weight:800;color:var(--txt);line-height:1.05;margin-bottom:8px}
.pres-role{font-size:15px;color:var(--teal-lt);font-family:var(--fH);font-weight:600;margin-bottom:26px}
.pres-quote{font-size:clamp(16px,1.6vw,19px);color:var(--txt-m);line-height:1.78;margin-bottom:28px;font-style:italic;border-left:3px solid var(--green);padding-left:22px}
.pres-achievements{display:flex;flex-direction:column;gap:12px}
.ach-item{display:flex;align-items:flex-start;gap:13px;font-size:14.5px;color:var(--txt-m)}
.ach-dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);flex-shrink:0;margin-top:6px}

/* ── TEAM ────────────────────────────────────────────────────── */
.team-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
}
.member{
  background:var(--sf);border:1px solid var(--bd);border-radius:var(--r);
  padding:clamp(22px,2.5vw,30px);text-align:center;transition:all .32s;cursor:pointer;
}
.member:hover{border-color:var(--bd-a);transform:translateY(-6px);box-shadow:0 22px 52px rgba(0,0,0,.28)}
.member-ring{
  width:clamp(76px,8vw,96px);height:clamp(76px,8vw,96px);
  border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--green));
  padding:3px;margin:0 auto 18px;box-shadow:0 0 24px var(--teal-glow);transition:box-shadow .32s;
}
.member:hover .member-ring{box-shadow:0 0 42px var(--teal-glow),0 0 68px var(--green-glow)}
.member-photo{width:100%;height:100%;border-radius:50%;overflow:hidden;background:var(--bg3);
  display:flex;align-items:center;justify-content:center;}
.member-photo img{width:100%;height:100%;object-fit:cover}
.member-initials{font-family:var(--fH);font-size:clamp(22px,2.5vw,28px);font-weight:800;
  background:var(--g);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.member-name{font-family:var(--fH);font-size:clamp(15px,1.6vw,18px);font-weight:800;color:var(--txt);margin-bottom:5px}
.member-role{font-size:12.5px;color:var(--green);font-family:var(--fH);font-weight:700;margin-bottom:10px}
.member-bio{font-size:12.5px;color:var(--txt-m);line-height:1.64}

/* ── WHATSAPP ────────────────────────────────────────────────── */
.wa-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
}
.wa-card{
  border-radius:var(--r);padding:clamp(20px,2.5vw,28px);cursor:pointer;
  border:1px solid rgba(37,211,102,.14);background:rgba(37,211,102,.04);
  transition:all .32s var(--ease);text-decoration:none;
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:13px;
  position:relative;overflow:hidden;
}
.wa-card::before{content:'';position:absolute;inset:0;background:rgba(37,211,102,.07);opacity:0;transition:opacity .32s}
.wa-card:hover{transform:translateY(-6px);border-color:rgba(37,211,102,.38);box-shadow:0 20px 48px rgba(37,211,102,.12)}
.wa-card:hover::before{opacity:1}
.wa-icon-wrap{
  width:68px;height:68px;border-radius:50%;
  background:rgba(37,211,102,.15);border:2px solid rgba(37,211,102,.28);
  display:flex;align-items:center;justify-content:center;font-size:30px;
  transition:transform .35s var(--spring);
}
.wa-card:hover .wa-icon-wrap{transform:scale(1.2) rotate(-8deg)}
.wa-name{font-family:var(--fH);font-size:clamp(14px,1.5vw,17px);font-weight:800;color:var(--txt)}
.wa-members{font-size:12px;color:var(--txt-m);font-family:var(--fH)}
.wa-cta{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:rgba(37,211,102,.9);font-family:var(--fH);font-weight:700}

/* ── SOCIAL ──────────────────────────────────────────────────── */
.social-pair{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
}
.sc-card{
  border-radius:var(--rl);padding:clamp(28px,3.5vw,44px);
  text-decoration:none;border:1px solid transparent;
  transition:all .35s var(--ease);display:flex;gap:20px;align-items:flex-start;
}
.sc-card:hover{transform:translateY(-6px)}
.sc-fb{background:linear-gradient(135deg,rgba(24,119,242,.12),rgba(24,119,242,.04));border-color:rgba(24,119,242,.2)}
.sc-fb:hover{border-color:rgba(24,119,242,.45);box-shadow:0 20px 56px rgba(24,119,242,.14)}
.sc-yt{background:linear-gradient(135deg,rgba(255,0,0,.1),rgba(255,0,0,.03));border-color:rgba(255,0,0,.17)}
.sc-yt:hover{border-color:rgba(255,0,0,.4);box-shadow:0 20px 56px rgba(255,0,0,.12)}
.sc-icon-wrap{flex-shrink:0}
.sc-content{flex:1}
.sc-name{font-family:var(--fH);font-size:clamp(20px,2.2vw,28px);font-weight:800;color:var(--txt);margin-bottom:10px}
.sc-desc{font-size:clamp(13px,1.3vw,15px);color:var(--txt-m);line-height:1.72;margin-bottom:16px}
.sc-cta{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--fH);font-size:14px;font-weight:700;
  padding:10px 22px;border-radius:24px;transition:all .26s;border:1px solid transparent;
}
.sc-fb .sc-cta{color:#4a90e2;border-color:rgba(24,119,242,.3);background:rgba(24,119,242,.09)}
.sc-fb .sc-cta:hover{background:rgba(24,119,242,.2)}
.sc-yt .sc-cta{color:#ff6b6b;border-color:rgba(255,0,0,.25);background:rgba(255,0,0,.08)}
.sc-yt .sc-cta:hover{background:rgba(255,0,0,.18)}

/* ── NEWS ────────────────────────────────────────────────────── */
.news-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
}
.news-card{
  background:var(--sf);border:1px solid var(--bd);border-radius:var(--r);
  overflow:hidden;cursor:pointer;transition:all .32s;
}
.news-card:hover{border-color:var(--bd-a);transform:translateY(-5px);box-shadow:0 18px 44px rgba(0,0,0,.24)}
.news-thumb{
  height:clamp(130px,14vw,152px);display:flex;align-items:center;justify-content:center;
}
.nt1{background:linear-gradient(135deg,rgba(0,123,143,.28),rgba(76,175,80,.18))}
.nt2{background:linear-gradient(135deg,rgba(76,175,80,.24),rgba(255,215,0,.14))}
.nt3{background:linear-gradient(135deg,rgba(156,39,176,.2),rgba(0,123,143,.22))}
.news-body{padding:clamp(16px,2vw,22px)}
.news-cat{font-size:10.5px;font-family:var(--fH);font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--green);margin-bottom:9px}
.news-card h3{font-family:var(--fH);font-size:clamp(14px,1.5vw,16.5px);font-weight:800;color:var(--txt);margin-bottom:10px;line-height:1.36}
.news-card p{font-size:13.5px;color:var(--txt-m);line-height:1.68}
.news-date{display:block;font-size:11px;color:var(--txt-d);margin-top:14px;font-family:var(--fH);font-weight:500}

/* ── CTA BANNER ──────────────────────────────────────────────── */
.cta-banner{
  position:relative;z-index:2;
  margin:0 clamp(20px,4vw,60px) clamp(60px,8vw,108px);
  background:linear-gradient(135deg,rgba(0,123,143,.2),rgba(76,175,80,.14));
  border:1px solid rgba(0,123,143,.3);border-radius:var(--rxl);
  padding:clamp(40px,6vw,80px) clamp(28px,5vw,72px);
  overflow:hidden;
}
.cta-banner::before,.cta-banner::after{
  content:'';position:absolute;border-radius:50%;pointer-events:none;
}
.cta-banner::before{top:-60px;right:-60px;width:280px;height:280px;background:radial-gradient(rgba(76,175,80,.14),transparent 70%)}
.cta-banner::after{bottom:-60px;left:28%;width:220px;height:220px;background:radial-gradient(rgba(0,123,143,.14),transparent 70%)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;z-index:2}
.cta-text h2{font-family:var(--fH);font-size:clamp(22px,3vw,44px);font-weight:800;color:var(--txt);margin-bottom:14px;line-height:1.12}
.cta-text p{font-size:clamp(14px,1.5vw,16.5px);color:var(--txt-m);max-width:500px;line-height:1.76}
.cta-btns{display:flex;flex-direction:column;gap:12px;flex-shrink:0}

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer{
  position:relative;z-index:2;
  background:rgba(0,0,0,.4);border-top:1px solid rgba(0,123,143,.12);
  padding:clamp(48px,6vw,72px) 0 clamp(24px,3vw,36px);
}
.footer-top{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:clamp(28px,4vw,52px);margin-bottom:clamp(40px,5vw,64px)}
.footer-brand p{font-size:14px;color:var(--txt-m);margin-top:14px;max-width:330px;line-height:1.74}
.footer-social{display:flex;gap:12px;margin-top:20px}
.fsoc{
  width:40px;height:40px;border-radius:50%;
  background:var(--sf);border:1px solid var(--bd);
  display:flex;align-items:center;justify-content:center;
  color:var(--txt-m);transition:all .24s;
}
.fsoc:hover{background:rgba(0,123,143,.2);border-color:var(--bd-a);color:var(--txt);transform:translateY(-3px)}
.fc-title{font-family:var(--fH);font-size:12px;font-weight:700;color:var(--txt);margin-bottom:18px;text-transform:uppercase;letter-spacing:2px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul li a{font-size:14px;color:var(--txt-m);transition:color .2s}
.footer-col ul li a:hover{color:var(--green)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:28px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-bottom p{font-size:13px;color:var(--txt-d)}
.admin-link{
  font-family:var(--fH);font-size:12px;font-weight:700;
  color:var(--txt-d);border:1px solid var(--bd);
  padding:6px 16px;border-radius:16px;transition:all .22s;
}
.admin-link:hover{color:var(--teal);border-color:var(--teal)}

/* ── EXAM OVERLAY ────────────────────────────────────────────── */
.exam-overlay{
  position:fixed;inset:0;z-index:900;
  background:rgba(6,9,26,.92);backdrop-filter:blur(20px);
  display:none;align-items:flex-start;justify-content:center;
  padding:20px;overflow-y:auto;
}
.exam-overlay.open{display:flex}
.exam-panel{
  background:var(--bg3);border:1px solid var(--bd-a);
  border-radius:var(--rl);width:100%;max-width:1020px;
  /* Desktop: fixed max height with internal scroll */
  max-height:92vh;
  display:flex;flex-direction:column;overflow:hidden;
  animation:examIn .4s var(--spring) both;
  box-shadow:0 40px 100px rgba(0,0,0,.5),0 0 0 1px rgba(0,123,143,.2);
  /* ensure panel is never taller than viewport on desktop */
  align-self:center;
}
@keyframes examIn{from{opacity:0;transform:scale(.9) translateY(30px)}to{opacity:1;transform:none}}
.exam-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 28px;border-bottom:1px solid var(--bd);flex-shrink:0;
  background:rgba(0,0,0,.2);
}
.exam-header-left{flex:1;min-width:0}
.exam-subj{
  display:inline-block;font-family:var(--fH);font-size:10px;font-weight:700;
  letter-spacing:2px;text-transform:uppercase;color:var(--green);margin-bottom:6px;
}
.exam-title{font-family:var(--fH);font-size:clamp(16px,2vw,20px);font-weight:800;color:var(--txt);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.exam-header-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.exam-timer{
  display:flex;align-items:center;gap:7px;
  background:rgba(0,0,0,.3);border:1px solid var(--bd);
  padding:8px 16px;border-radius:20px;
  font-family:var(--fH);font-size:14px;font-weight:700;color:var(--txt-m);
}
.exam-timer.urgent{color:#f87171;border-color:rgba(239,68,68,.35)}
.exam-pts{
  font-family:var(--fH);font-size:13px;font-weight:700;color:var(--gold);
  background:rgba(255,215,0,.1);border:1px solid rgba(255,215,0,.25);
  padding:7px 14px;border-radius:18px;
}
.exam-close{
  width:36px;height:36px;border-radius:50%;
  background:var(--sf);border:1px solid var(--bd);
  color:var(--txt-m);font-size:17px;display:flex;align-items:center;
  justify-content:center;transition:all .22s;cursor:pointer;
}
.exam-close:hover{background:rgba(239,68,68,.15);border-color:rgba(239,68,68,.3);color:#f87171}

.exam-body{
  display:grid;grid-template-columns:1fr 1fr;
  flex:1;min-height:0;overflow:hidden;
}
.exam-left{padding:28px;overflow-y:auto;border-right:1px solid var(--bd)}
.exam-right{padding:28px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;min-height:0}
.exam-section-label{font-family:var(--fH);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--txt-d);margin-bottom:12px}
.exam-stmt{font-size:clamp(14px,1.5vw,16px);color:var(--txt-m);line-height:1.78}
.exam-diff-row{display:flex;align-items:center;gap:12px;margin:18px 0}
.exam-diff-badge{font-size:11px;padding:4px 13px;border-radius:10px;font-family:var(--fH);font-weight:700}
.exam-meta{font-size:12px;color:var(--txt-d);font-family:var(--fH)}
.hint-toggle{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,215,0,.1);border:1px solid rgba(255,215,0,.25);
  color:var(--gold);padding:9px 18px;border-radius:11px;
  font-family:var(--fH);font-size:13px;font-weight:700;transition:all .22s;cursor:pointer;
}
.hint-toggle:hover{background:rgba(255,215,0,.2)}
.hint-box{
  background:rgba(255,215,0,.07);border:1px solid rgba(255,215,0,.18);
  border-radius:11px;padding:16px;font-size:14px;color:var(--txt-m);
  line-height:1.72;display:none;margin-top:8px;
}
.hint-box.open{display:block}

.exam-input{
  width:100%;background:var(--sf);border:1px solid var(--bd);
  border-radius:12px;padding:14px 18px;font-family:var(--fB);
  font-size:16px;color:var(--txt);outline:none;
  transition:border-color .22s,box-shadow .22s;
}
.exam-input:focus{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-glow)}
[data-theme=light] .exam-input{background:rgba(0,0,0,.04)}
.btn-submit{
  display:flex;align-items:center;justify-content:center;gap:9px;
  background:var(--gb);color:#fff;border:none;width:100%;
  padding:14px 24px;border-radius:12px;
  font-family:var(--fH);font-size:15px;font-weight:700;
  transition:all .28s var(--spring);cursor:pointer;
  box-shadow:0 5px 22px var(--teal-glow);
}
.btn-submit:hover{background:linear-gradient(90deg,#00a8c0,#66bb6a);transform:translateY(-2px);box-shadow:0 10px 32px var(--teal-glow)}
.btn-submit:active{transform:scale(.97)}
.btn-submit:disabled{opacity:.5;cursor:not-allowed;transform:none}

.exam-feedback{
  font-family:var(--fH);font-size:15px;font-weight:700;
  padding:14px 18px;border-radius:11px;text-align:center;
  display:none;animation:examIn .3s var(--spring);
}
.fb-ok{background:rgba(76,175,80,.18);border:1px solid rgba(76,175,80,.35);color:#81c784;display:block}
.fb-no{background:rgba(239,68,68,.15);border:1px solid rgba(239,68,68,.3);color:#f87171;display:block}
.exam-divider{height:1px;background:var(--bd);flex-shrink:0}

/* Solution box: must NOT use flex:1 — that lets it collapse and causes overlap */
.solution-box{
  background:rgba(0,0,0,.2);
  border:1px solid var(--bd);
  border-radius:12px;
  padding:18px;
  /* Let height grow with content, never collapse */
  width:100%;
  box-sizing:border-box;
  overflow:hidden;
  word-break:break-word;
  overflow-wrap:break-word;
}
.solution-locked{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:100px;text-align:center}
.solution-locked p{font-size:13.5px;color:var(--txt-d);font-family:var(--fH)}
.solution-content{
  font-size:14px;
  color:var(--txt);
  line-height:1.74;
  width:100%;
  box-sizing:border-box;
  word-break:break-word;
  overflow-wrap:break-word;
  /* white-space handled per-element inline */
}

/* Nav buttons: NOT margin-top:auto — that pulls them up over the solution */
.exam-nav-btns{
  display:flex;
  align-items:center;
  justify-content:space-between;
  /* Use normal flow margin, not auto */
  margin-top:8px;
  padding-top:16px;
  border-top:1px solid var(--bd);
  flex-shrink:0;
  /* Stick to bottom of scrollable area naturally */
  position:sticky;
  bottom:0;
  background:var(--bg2);
  z-index:2;
  padding-bottom:4px;
}
.exam-progress{font-family:var(--fH);font-size:12px;font-weight:600;color:var(--txt-d)}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media(max-width:1200px){
  .hero-inner{grid-template-columns:1fr}
  .hero-visual{display:flex;justify-content:center}
  .pres-wrap{grid-template-columns:1fr;text-align:center}
  .pres-photo-wrap{justify-content:center}
  .pres-quote{text-align:left}
}
@media(max-width:1024px){
  .feat-grid,.cat-grid,.prob-grid,.team-grid,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wa-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr}
  /* On tablet: stack exam body vertically, each side scrolls independently */
  .exam-body{grid-template-columns:1fr;overflow-y:auto;overflow-x:hidden}
  .exam-left{border-right:none;border-bottom:1px solid var(--bd);max-height:45vh;overflow-y:auto}
  /* exam-right: allow scroll so solution is never clipped */
  .exam-right{overflow-y:auto;min-height:200px;max-height:none}
}
@media(max-width:768px){
  .navbar{padding:14px 20px}.navbar.scrolled{padding:10px 20px}
  .nav-links,.nav-actions .btn-cta-nav{display:none}
  .hamburger{display:flex}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .feat-grid,.cat-grid,.prob-grid,.wa-grid,.social-pair,.news-grid,.team-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column}.cta-btns{flex-direction:row;flex-wrap:wrap}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .sc-card{flex-direction:column}
  .practice-header{flex-direction:column;align-items:flex-start}
  .practice-controls{flex-direction:column;align-items:flex-start;gap:10px}
  .prob-search-wrap{max-width:100%}
  .prob-grid{grid-template-columns:1fr}

  /* ── Contest cards: stack vertically on mobile ── */
  .con-card{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
    padding:16px;
  }
  .con-card:hover{transform:translateY(-3px);transform:none} /* no horizontal slide on mobile */
  .con-left{
    flex-direction:row;
    align-items:flex-start;
    width:100%;
    gap:14px;
  }
  .con-date{
    min-width:52px;
    padding:10px 10px;
    flex-shrink:0;
  }
  .con-day{font-size:22px}
  .con-info{flex:1;min-width:0}
  .con-info h4{
    white-space:normal;
    overflow:visible;
    text-overflow:unset;
    font-size:14px;
    line-height:1.35;
  }
  .con-info p{font-size:12px}
  .badge{
    align-self:flex-start;
    font-size:11px;
    padding:6px 14px;
  }
  .con-tags{gap:5px;margin-top:6px}
  .con-tag{font-size:9px;padding:2px 7px}
}
@media(max-width:480px){
  .hero-h1{font-size:64px}.hero-h2{font-size:40px}
  .exam-overlay{
    padding:0;
    align-items:flex-start;
  }
  .exam-panel{
    border-radius:0;
    max-height:100dvh;
    height:100dvh;
    max-width:100%;
    align-self:flex-start;
  }
  /* On small mobile: single column, exam-body is a scrollable column */
  .exam-body{
    grid-template-columns:1fr;
    flex:1;
    min-height:0;
    overflow-y:auto;
    display:flex;
    flex-direction:column;
  }
  .exam-left{
    border-right:none;
    border-bottom:1px solid var(--bd);
    padding:20px 16px;
    /* No max-height cap — let content breathe, user scrolls the whole panel */
    max-height:none;
    overflow-y:visible;
  }
  .exam-right{
    padding:20px 16px;
    flex:1;
    overflow-y:visible;
    min-height:0;
  }
  .exam-header{flex-direction:column;align-items:flex-start;gap:10px;padding:14px 16px}
  .exam-header-right{width:100%;justify-content:space-between}
  /* Make exam title wrap instead of truncating on mobile */
  .exam-title{white-space:normal;overflow:visible;text-overflow:unset;font-size:15px}
  /* Hint box and solution box full width */
  .hint-box,.solution-box{width:100%;box-sizing:border-box}
  /* Nav buttons always visible at bottom */
  .exam-nav-btns{
    position:sticky;
    bottom:0;
    background:var(--bg3);
    border-top:1px solid var(--bd);
    padding:12px 16px;
    margin-top:0;
    z-index:10;
  }
}

/* ── Performance: reduce motion ─────────────────────────────── */
@media(prefers-reduced-motion:reduce){
  *,::before,::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}
/* Premium Tech Grid Background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1; 
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 50px 50px; 
  pointer-events: none; 
  mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}
/* Nuke the blurry floating orbs around the torch */
.knode {
  display: none !important;
}

/* Nuke the massive glowing hazy circle directly behind the torch */
.torch-aura {
  display: none !important;
}

/* ================================================================
   BDOH — Final Masterpiece Mobile Fixes
   This CSS is designed to be appended to the existing style.css
   or included as a separate stylesheet after style.css.

   NOTE: Due to HTML structure, placing the torch *between* the H2
   and the subsequent paragraph/buttons/stats with pure CSS is not
   directly possible. This CSS provides the closest visual order:
   (Eyebrow, H1, H2) -> Torch -> (Subtext, Buttons, Stats).
================================================================ */

/* hero-visual display is handled per-breakpoint below */

@media (max-width: 768px) {

  /* --- General Adjustments & Overrides --- */
  .container {
    padding: 0 clamp(15px, 4vw, 30px); /* More refined padding for mobile containers */
  }

  .section {
    padding: clamp(50px, 8vw, 80px) 0; /* Adjusted section padding */
  }

  /* --- Homepage Layout: Text -> Torch -> Subtext -> Buttons -> Stats --- */
  .hero-inner {
    display: flex !important; /* Make hero-inner a flex container */
    flex-direction: column !important; /* Stack its children vertically */
    align-items: center; /* Center align items within hero-inner */
    text-align: center; /* Center align text content */
    padding-top: 40px; /* Add some top padding */
    gap: 0; /* Reset gap to control spacing more precisely with margins */
  }

  .hero-text {
    order: 1; /* Ensure hero-text block comes first */
    display: flex; /* Make hero-text itself a flex container */
    flex-direction: column; /* Stack its children vertically */
    align-items: center; /* Center align items within hero-text */
    width: 100%;
  }

  .hero-visual {
    order: 2; /* Torch comes after the hero-text block */
    width: 100%;
    margin-top: 30px; /* Space between hero-text and torch */
    margin-bottom: 30px; /* Space after torch */
    display: flex !important; /* Ensure it's visible */
    justify-content: center;
  }

  /* Re-ordering and styling *within* .hero-text */
  .hero-eyebrow {
    order: 1; /* Eyebrow first within hero-text */
    margin-bottom: 15px; /* Space below eyebrow */
  }

  .hero-h1 {
    order: 2; /* IGNITING MINDS second */
    font-size: clamp(60px, 15vw, 90px) !important; /* Significantly larger main title */
    letter-spacing: 0px; /* Adjust letter spacing for better readability */
    line-height: 0.9; /* Tighter line height */
    margin-bottom: 5px !important;
  }

  .hero-h2 {
    order: 3; /* FORGING CHAMPIONS third */
    font-size: clamp(36px, 8vw, 50px) !important; /* Significantly larger subtitle */
    margin-bottom: 25px !important; /* Space before subtext */
    line-height: 1; /* Consistent line height */
  }

  .hero-sub {
    order: 4; /* Subtext after titles */
    font-size: 16px; /* Consistent body text size */
    max-width: 90%; /* Better readability */
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 30px !important; /* Space before buttons */
  }

  .hero-btns {
    order: 5; /* Buttons after subtext */
    flex-direction: column; /* Stack buttons vertically */
    gap: 12px;
    margin-bottom: 40px !important; /* Space before stats */
    width: 100%; /* Ensure buttons take full width */
  }

  .hero-btns .btn-primary, .hero-btns .btn-ghost {
    width: 80%; /* Make buttons a bit narrower than full width */
    max-width: 300px; /* Max width for buttons */
    margin: 0 auto; /* Center buttons */
  }

  .hero-stats {
    order: 6; /* Stats come last in the hero-text block */
    flex-direction: column; /* Stack stats vertically */
    gap: 20px; /* Adjust gap between stats */
    width: 100%;
    margin-top: 0; /* No extra margin */
  }

  .hstat-div {
    display: none; /* Hide dividers between stats on mobile */
  }

  .torch-stage {
    width: clamp(280px, 70vw, 400px) !important; /* Responsive width for torch */
    height: clamp(350px, 80vw, 500px) !important; /* Responsive height for torch */
    margin: 0 auto; /* Center the torch stage */
  }

  /* --- Mobile Menu Enhancements (`.mob-menu`) --- */
  .mob-menu {
    background: rgba(6, 9, 26, 0.98) !important; /* Darker, more opaque background */
    backdrop-filter: blur(28px) saturate(1.5) !important; /* Stronger blur and saturation */
    -webkit-backdrop-filter: blur(28px) saturate(1.5) !important;
    justify-content: center; /* Center content vertically */
    padding: 80px 20px; /* Top and side padding */
    gap: 12px; /* Increased gap between menu items */
  }

  .mob-close {
    top: 20px !important;
    right: 20px !important;
    width: 48px !important;
    height: 48px !important;
    font-size: 22px !important;
    background: var(--sf-hov) !important; /* More prominent close button background */
    border-color: var(--bd-a) !important;
    color: var(--txt) !important;
  }

  .mob-close:hover {
    background: var(--teal) !important; /* Teal hover for close button */
    color: #fff !important;
    transform: rotate(90deg); /* Subtle rotation on hover */
  }

  .mob-link {
    font-size: 24px !important; /* Larger, more readable menu items */
    padding: 14px 40px !important;
    border-radius: 18px !important; /* More rounded corners */
    width: 90%; /* Wider touch target */
    text-align: center;
    transition: all .25s var(--ease) !important; /* Smoother transition */
  }

  .mob-link:hover {
    color: var(--teal-lt) !important; /* Highlight with teal on hover */
    background: rgba(0, 123, 143, 0.15) !important; /* Subtle teal background on hover */
    transform: scale(1.03); /* Slight scale effect */
  }

  .mob-cta {
    margin-top: 40px !important; /* More space above CTA */
    padding: 16px 50px !important;
    font-size: 17px !important;
    border-radius: 36px !important;
    box-shadow: 0 8px 30px var(--teal-glow) !important; /* Enhanced shadow */
  }

  /* --- Other Sections: Ensure stacking and responsiveness --- */
  .feat-grid, .cat-grid, .prob-grid, .team-grid, .wa-grid, .social-pair, .news-grid {
    grid-template-columns: 1fr !important; /* Force single column for all grids */
    gap: 25px !important; /* Consistent spacing */
  }

  .stats-strip {
    grid-template-columns: 1fr !important; /* Stack stats strip items */
  }

  .sstat {
    padding: 25px 20px !important; /* Adjusted padding for stats */
  }

  .cta-inner {
    flex-direction: column; /* Stack CTA content */
    text-align: center;
    gap: 30px;
  }

  .cta-btns {
    flex-direction: column; /* Stack CTA buttons */
    width: 100%;
  }

  .cta-btns .btn-primary, .cta-btns .btn-ghost {
    width: 100%; /* Full width buttons */
  }

  .footer-top {
    grid-template-columns: 1fr; /* Stack footer columns */
    text-align: center;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-col ul {
    align-items: center;
  }

  .footer-bottom {
    flex-direction: column; /* Stack footer bottom content */
    gap: 15px;
  }

  .practice-header {
    flex-direction: column; /* Stack practice header elements */
    align-items: center; /* Center align items */
    gap: 20px;
  }

  .filter-row {
    justify-content: center; /* Center filter buttons */
  }

  .con-card {
    flex-direction: column; /* Stack contest card elements */
    align-items: center;
    text-align: center;
    gap: 15px;
  }

  .con-left {
    flex-direction: column; /* Stack date and info */
    gap: 10px;
  }

  .con-info h4 {
    white-space: normal !important; /* Allow title to wrap */
    overflow: visible !important;
    text-overflow: clip !important;
  }

  .con-tags {
    justify-content: center; /* Center tags */
  }

  .pres-wrap {
    grid-template-columns: 1fr !important; /* Stack president section */
    text-align: center;
  }

  .pres-photo-wrap {
    order: 1; /* Photo first */
  }

  .pres-content {
    order: 2; /* Content second */
  }

  .pres-quote {
    text-align: center !important; /* Center quote */
    padding-left: 0 !important;
    border-left: none !important;
    border-top: 3px solid var(--green); /* Add top border for separation */
    padding-top: 20px;
  }

  .pres-achievements {
    align-items: center; /* Center achievements */
  }

  .member {
    padding: clamp(20px, 3vw, 25px) !important; /* Adjust member card padding */
  }

  .wa-card {
    padding: clamp(20px, 3vw, 25px) !important; /* Adjust WhatsApp card padding */
  }

  .sc-card {
    flex-direction: column; /* Stack social card content */
    align-items: center;
    text-align: center;
    gap: 20px;
  }

  .sc-cta {
    width: 100%; /* Full width social CTA */
  }

  .news-card h3 {
    font-size: clamp(15px, 4vw, 18px) !important; /* Adjust news title size */
  }
}

@media (max-width: 480px) {
  .hero-h1 {
    font-size: clamp(48px, 12vw, 70px) !important; /* Further refinement for smaller screens */
  }

  .hero-h2 {
    font-size: clamp(30px, 6vw, 40px) !important;
  }

  .mob-link {
    font-size: 20px !important;
    padding: 12px 30px !important;
  }

  .mob-cta {
    padding: 14px 40px !important;
    font-size: 16px !important;
  }

  .torch-stage {
    height: clamp(300px, 80vw, 400px) !important; /* Smaller torch height */
  }

  .sstat {
    padding: 18px 10px !important; /* Smaller padding for stats */
  }

  .sstat-n {
    font-size: clamp(24px, 4vw, 36px) !important;
  }

  .sstat-l {
    font-size: 11px !important;
  }
}
/* --- MOBILE MENU (MOBILE ONLY) — Professional Slide-in Drawer --- */
@media (max-width: 768px) {
  /* Hamburger Icon */
  .hamburger {
    width: 42px;
    height: 42px;
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: var(--sf) !important;
    border: 1.5px solid var(--bd) !important;
    border-radius: 10px !important;
    transition: all 0.25s var(--ease) !important;
  }
  .hamburger:hover {
    border-color: var(--teal) !important;
    background: var(--sf-hov) !important;
  }
  .hamburger span {
    width: 20px !important;
    height: 2px !important;
    background: var(--txt) !important;
    border-radius: 3px !important;
    transition: all 0.3s var(--ease) !important;
  }
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg) !important; }
  .hamburger.open span:nth-child(2) { opacity: 0 !important; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg) !important; }

  /* mob-menu is already a right-side drawer from base styles — no override needed */
  /* Remove any old blob pseudo-elements */
  .mob-menu::before, .mob-menu::after { display: none !important; }

  /* Close Button — positioned absolutely in top-right of drawer */
  .mob-close {
    position: absolute !important;
    top: 16px !important;
    right: 16px !important;
    width: 36px !important;
    height: 36px !important;
    font-size: 16px !important;
    background: var(--sf) !important;
    border: 1px solid var(--bd) !important;
    border-radius: 8px !important;
    color: var(--txt) !important;
    transition: all 0.2s var(--ease) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    z-index: 2 !important;
  }
  .mob-close:hover {
    background: rgba(239,68,68,0.15) !important;
    border-color: rgba(239,68,68,0.35) !important;
    color: #f87171 !important;
  }

  /* Nav links */
  .mob-link {
    display: flex !important;
    align-items: center !important;
    font-family: var(--fH) !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    letter-spacing: 0.02em !important;
    text-transform: none !important;
    color: var(--txt-m) !important;
    padding: 14px 24px !important;
    border-radius: 0 !important;
    width: 100% !important;
    text-align: left !important;
    background: transparent !important;
    border-left: 3px solid transparent !important;
    opacity: 1 !important;
    transform: none !important;
    transition: color 0.18s, background 0.18s, border-color 0.18s !important;
  }
  .mob-link:hover {
    color: var(--txt) !important;
    background: var(--sf-hov) !important;
    border-left-color: var(--teal) !important;
    transform: none !important;
  }

  /* Light mode — always readable text */
  [data-theme=light] .mob-menu {
    background: #f0f5f9 !important;
    border-left-color: rgba(0,123,143,0.2) !important;
  }
  [data-theme=light] .mob-link {
    color: rgba(8,13,36,0.7) !important;
  }
  [data-theme=light] .mob-link:hover {
    color: #080d24 !important;
    background: rgba(0,123,143,0.08) !important;
  }
  [data-theme=light] .mob-close {
    color: #080d24 !important;
    background: rgba(0,0,0,0.06) !important;
    border-color: rgba(0,0,0,0.12) !important;
  }

  /* CTA inside drawer */
  .mob-cta {
    margin: 20px 24px !important;
    padding: 13px 24px !important;
    font-size: 14px !important;
    border-radius: 12px !important;
    background: var(--gb) !important;
    color: #fff !important;
    box-shadow: 0 6px 24px var(--teal-glow) !important;
    width: calc(100% - 48px) !important;
    text-align: center !important;
    display: block !important;
    opacity: 1 !important;
    transform: none !important;
    transition: all 0.22s var(--ease) !important;
  }
  .mob-cta:hover {
    background: linear-gradient(90deg,#00a8c0,#66bb6a) !important;
    transform: translateY(-2px) !important;
  }
}


/* ================================================================
   BDOH — EXAM PORTAL MOBILE FIXES (exam.html full-page layout)
   These apply to the full-page exam.html screens, not the overlay.
================================================================ */

/* ── Registration screen ── */
@media(max-width:600px){
  #scr-register{padding-top:20px;padding-bottom:20px}
  .reg-box{padding:24px 18px;border-radius:14px;margin:0 4px}
  .reg-contest-title{font-size:17px}
  .info-box{font-size:12px;padding:12px}
  .btn-start{padding:14px;font-size:15px}
  .reg-field input,.reg-field select{font-size:14px;padding:11px 13px}
}

/* ── Exam topbar on mobile ── */
@media(max-width:600px){
  .exam-topbar{
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
    padding:10px 14px;
  }
  .exam-title{font-size:13px;line-height:1.3;white-space:normal}
  .exam-meta{font-size:11px}
  .exam-timer-wrap{
    width:100%;
    justify-content:space-between;
  }
  .exam-timer{font-size:17px;min-width:64px}
  .q-progress{flex:1;margin:0 10px}
}

/* ── Question navigation bubbles ── */
@media(max-width:600px){
  .q-nav{gap:6px;margin-bottom:16px}
  .q-nav-btn{width:32px;height:32px;border-radius:7px;font-size:12px}
}

/* ── Question card ── */
@media(max-width:600px){
  .exam-body{padding:16px 14px;max-width:100%}
  .q-card{padding:18px 14px;border-radius:12px}
  .q-text{font-size:14px;line-height:1.65}
  .q-card-num{font-size:12px}
  .q-card-pts{font-size:11px}
}

/* ── MCQ options on mobile ── */
@media(max-width:600px){
  .q-opt{padding:12px 13px;gap:10px;border-radius:10px}
  .q-opt-letter{width:26px;height:26px;font-size:11px}
  .q-opt span{font-size:14px}
}

/* ── Short answer input ── */
@media(max-width:600px){
  .q-short-input{font-size:15px;padding:12px 14px}
}

/* ── Bottom nav buttons ── */
@media(max-width:600px){
  .exam-nav-btns{
    flex-wrap:wrap;
    gap:8px;
    margin-top:14px;
  }
  .btn-prev,.btn-next{
    padding:11px 20px;
    font-size:13px;
    border-radius:10px;
    flex:1;
    justify-content:center;
    text-align:center;
    display:flex;
    align-items:center;
  }
  .btn-submit-final{
    width:100%;
    padding:13px;
    font-size:14px;
    border-radius:10px;
    text-align:center;
  }
}

/* ── Confirm / Warning overlays on mobile ── */
@media(max-width:600px){
  .confirm-box,.warn-box{
    padding:24px 18px;
    border-radius:14px;
    margin:0 12px;
  }
  .confirm-box h2,.warn-box h2{font-size:19px}
  .confirm-btns{flex-direction:column;gap:10px}
  .confirm-btns button{width:100%;padding:13px}
}

/* ── Done / Result screen ── */
@media(max-width:600px){
  #scr-done{padding:24px 16px;text-align:center}
  .done-score{font-size:56px}
  .done-max{font-size:15px}
  .done-table{font-size:13px}
  .done-table td{padding:8px 10px}
  .btn-back-home{padding:13px 28px;font-size:14px}
}

/* ── Error / Closed screens ── */
@media(max-width:600px){
  .screen h1{font-size:24px}
  .screen p{font-size:14px;padding:0 8px}
  .big-icon{font-size:48px}
}

/* ── Disqualify overlay ── */
@media(max-width:600px){
  .dq-box{padding:28px 18px}
  .dq-box h1{font-size:28px}
}

/* ── Contest section: card hover effect on mobile (disable X-slide) ── */
@media(max-width:600px){
  .con-card:hover{
    transform:translateY(-2px);
    border-color:var(--bd-a);
    box-shadow:0 8px 24px rgba(0,0,0,.18);
  }
}

/* ── Ensure the contest list has proper spacing on mobile ── */
@media(max-width:600px){
  .contest-list{gap:12px}
}
/* ================================================================
   🔧 SURGERY START — style.css
   APPEND this entire block at the very END of style.css.
   Do NOT modify any existing rules.
================================================================ */

/* ── AUTH NAV BUTTON ─────────────────────────────────────────── */
.btn-auth-nav {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(0,123,143,.16);
  border: 1px solid rgba(0,123,143,.35);
  color: #5bcfdf;
  padding: 8px 16px;
  border-radius: 22px;
  font-family: var(--fH);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s var(--ease);
  white-space: nowrap;
}
.btn-auth-nav:hover {
  background: rgba(0,123,143,.3);
  border-color: var(--teal);
  transform: translateY(-1px);
}

/* ── AUTH MODAL ───────────────────────────────────────────────── */
.auth-modal-bg {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(6,9,26,.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-modal-bg.open { display: flex; }

.auth-modal-box {
  background: var(--bg3);
  border: 1px solid rgba(0,123,143,.35);
  border-radius: 22px;
  padding: 40px;
  width: 100%;
  max-width: 460px;
  position: relative;
  animation: authIn .38s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes authIn {
  from { opacity: 0; transform: scale(.88) translateY(24px); }
  to   { opacity: 1; transform: none; }
}

.auth-modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--sf);
  border: 1px solid var(--bd);
  color: var(--txt-m);
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all .2s;
}
.auth-modal-close:hover {
  background: rgba(239,68,68,.15);
  border-color: rgba(239,68,68,.35);
  color: #f87171;
}

.auth-modal-logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 28px;
}
.auth-modal-logo-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gb);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--fH); font-weight: 800; color: #fff; font-size: 18px;
  box-shadow: 0 0 18px var(--teal-glow);
}
.auth-modal-logo-name {
  font-family: var(--fH); font-size: 16px; font-weight: 800;
  background: var(--g);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.auth-modal-logo-sub { font-size: 11px; color: var(--txt-d); font-family: var(--fH); }

.auth-modal-title {
  font-family: var(--fH); font-size: 26px; font-weight: 800;
  color: var(--txt); margin-bottom: 8px;
}
.auth-modal-sub {
  font-size: 14px; color: var(--txt-m); line-height: 1.65; margin-bottom: 28px;
}

.btn-google-signin {
  width: 100%;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  background: #fff;
  color: #1a1a2e;
  border: none;
  border-radius: 12px;
  padding: 14px 20px;
  font-family: var(--fH); font-size: 15px; font-weight: 700;
  cursor: pointer;
  transition: all .25s var(--ease);
  box-shadow: 0 4px 18px rgba(0,0,0,.2);
}
.btn-google-signin:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,.28);
}
[data-theme=light] .btn-google-signin { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.12); }

.auth-divider {
  display: flex; align-items: center; gap: 14px;
  margin: 22px 0;
  color: var(--txt-d); font-size: 12px; font-family: var(--fH);
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--bd);
}

.auth-field { margin-bottom: 14px; }
.auth-field label {
  display: block;
  font-family: var(--fH); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.2px;
  color: var(--txt-m); margin-bottom: 6px;
}
.auth-field input {
  width: 100%;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--bd);
  border-radius: 10px;
  padding: 12px 16px;
  font-family: var(--fB); font-size: 14px; color: var(--txt);
  outline: none;
  transition: border-color .22s, box-shadow .22s;
}
.auth-field input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,123,143,.2);
}
[data-theme=light] .auth-field input { background: rgba(0,0,0,.05); }

.auth-error {
  background: rgba(239,68,68,.14);
  border: 1px solid rgba(239,68,68,.3);
  color: #f87171;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px; font-family: var(--fH);
  margin-top: 12px;
}

.auth-loading {
  display: flex; align-items: center; gap: 10px;
  color: var(--teal); font-size: 14px; font-family: var(--fH); font-weight: 600;
  margin-top: 14px; justify-content: center;
}
.auth-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(0,180,204,.25);
  border-top-color: var(--teal-lt);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── PROFILE SECTION ─────────────────────────────────────────── */
.profile-layout {
  display: flex;
  gap: clamp(24px,4vw,48px);
  align-items: flex-start;
  flex-wrap: wrap;
}

.profile-card {
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: var(--rl);
  padding: clamp(24px,3vw,36px);
  width: clamp(240px,28vw,300px);
  flex-shrink: 0;
  text-align: center;
  transition: border-color .3s;
}
.profile-card:hover { border-color: var(--bd-a); }

.profile-avatar-wrap {
  position: relative;
  width: 88px; height: 88px;
  margin: 0 auto 16px;
}
.profile-avatar {
  width: 88px; height: 88px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid transparent;
  background-clip: padding-box;
  outline: 3px solid var(--teal);
  outline-offset: 3px;
  display: none;
}
.profile-avatar.loaded { display: block; }
.profile-avatar-placeholder {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: var(--gb);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--fH); font-size: 32px; font-weight: 800; color: #fff;
}

.profile-name {
  font-family: var(--fH); font-size: 20px; font-weight: 800;
  color: var(--txt); margin-bottom: 4px;
}
.profile-email {
  font-size: 12.5px; color: var(--txt-d);
  font-family: var(--fH); margin-bottom: 20px;
}

.profile-rating-row {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  background: rgba(0,0,0,.18);
  border: 1px solid var(--bd);
  border-radius: 14px;
  padding: 14px 10px;
}
.profile-stat { display: flex; flex-direction: column; gap: 3px; align-items: center; }
.profile-stat-val {
  font-family: var(--fH); font-size: 22px; font-weight: 800; line-height: 1;
}
.profile-stat-lbl {
  font-family: var(--fH); font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px; color: var(--txt-d);
}
.profile-stat-div { width: 1px; height: 32px; background: var(--bd); }

.profile-sec-title {
  font-family: var(--fH); font-size: 18px; font-weight: 800;
  color: var(--txt); margin-bottom: 16px;
}

.profile-subs-list {
  display: flex; flex-direction: column; gap: 10px;
}
.profile-sub-item {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: 12px;
  padding: 14px 18px;
  transition: border-color .2s;
}
.profile-sub-item:hover { border-color: var(--bd-a); }
.profile-sub-title {
  font-family: var(--fH); font-size: 14px; font-weight: 700; color: var(--txt);
  margin-bottom: 3px;
}
.profile-sub-meta {
  font-size: 11.5px; color: var(--txt-d); font-family: var(--fH);
}
.profile-sub-badge {
  font-family: var(--fH); font-size: 11px; font-weight: 700;
  padding: 4px 11px; border-radius: 9px; flex-shrink: 0;
}
.psb-correct {
  background: rgba(76,175,80,.18); color: #81c784;
  border: 1px solid rgba(76,175,80,.3);
}
.psb-wrong {
  background: rgba(239,68,68,.14); color: #f87171;
  border: 1px solid rgba(239,68,68,.25);
}

/* ── EXAM FEEDBACK COLORS (reused by practice) ───────────────── */
.exam-feedback {
  font-family: var(--fH); font-size: 14px; font-weight: 600;
  padding: 12px 16px; border-radius: 11px;
  display: none;
  margin-top: 8px;
}
.exam-feedback.visible { display: block; }
.fb-ok {
  background: rgba(76,175,80,.15);
  border: 1px solid rgba(76,175,80,.35);
  color: #81c784;
}
.fb-no {
  background: rgba(239,68,68,.12);
  border: 1px solid rgba(239,68,68,.28);
  color: #f87171;
}

/* ── RESPONSIVE: Profile ─────────────────────────────────────── */
@media (max-width: 768px) {
  .profile-layout { flex-direction: column; }
  .profile-card { width: 100%; }
}
/* ── PROFILE NAV BUTTON (pill shown in navbar when signed in) ── */
.profile-nav-btn {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 5px 14px 5px 5px;
  border-radius: 22px;
  border: 1px solid var(--bd);
  background: var(--sf);
  color: var(--txt);
  font-family: var(--fH);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--spring);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.profile-nav-btn:hover {
  border-color: var(--bd-a);
  background: var(--sf-hov);
  box-shadow: 0 4px 18px var(--teal-glow);
  transform: translateY(-1px);
}
.profile-nav-btn.visible {
  display: flex;
}

.profile-nav-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gb);
  color: #fff;
  font-family: var(--fH);
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 0 10px var(--teal-glow);
}
.profile-nav-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

/* Hide profile pill on very small screens — avatar alone shows in mob-menu */
@media (max-width: 480px) {
  .profile-nav-btn { display: none !important; }
}

/* ── MOB-MENU PROFILE LINK ───────────────────────────────────── */
.mob-profile-link {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border-radius: 12px;
  background: var(--sf);
  border: 1px solid var(--bd);
  color: var(--txt);
  font-family: var(--fH);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .22s, background .22s;
  margin-bottom: 8px;
}
.mob-profile-link:hover {
  border-color: var(--bd-a);
  background: var(--sf-hov);
}
.mob-profile-link.visible {
  display: flex;
}

.mob-profile-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gb);
  color: #fff;
  font-family: var(--fH);
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 0 12px var(--teal-glow);
}
.mob-profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.mob-profile-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mob-profile-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--txt);
}
.mob-profile-sub {
  font-size: 11px;
  color: var(--txt-d);
  font-family: var(--fH);
}

/* 🔧 SURGERY END */

/* ================================================================
   MOBILE RESPONSIVENESS v4.0 + 3-DOT MENU
   Appended upgrades for full mobile compatibility
================================================================ */

/* ── 3-DOT MENU BUTTON (replaces/enhances hamburger) ──────────── */
.three-dot-btn {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4.5px;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--sf);
  border: 1px solid var(--bd);
  cursor: pointer;
  transition: all .28s var(--ease);
  flex-shrink: 0;
  position: relative;
  z-index: 810;
}
.three-dot-btn span {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--txt);
  transition: all .28s var(--spring);
  display: block;
}
.three-dot-btn:hover {
  background: rgba(0,123,143,.18);
  border-color: var(--teal);
  transform: scale(1.08);
}
.three-dot-btn:hover span { background: var(--teal-lt); }
.three-dot-btn.open span:nth-child(1) { transform: translateY(9px) rotate(45deg) scaleX(2.2); border-radius: 2px; }
.three-dot-btn.open span:nth-child(2) { opacity: 0; transform: scale(0); }
.three-dot-btn.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg) scaleX(2.2); border-radius: 2px; }

/* ── ENHANCED MOB MENU ────────────────────────────────────────── */
.mob-menu {
  padding-top: 0 !important;
}
.mob-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 16px;
  border-bottom: 1px solid var(--bd);
  flex-shrink: 0;
  background: var(--bg2);
  position: sticky;
  top: 0;
  z-index: 2;
}
.mob-menu-header-brand {
  display: flex;
  align-items: center;
  gap: 9px;
}
.mob-menu-header-logo {
  width: 32px; height: 32px;
  border-radius: 50%;
  object-fit: cover;
  filter: drop-shadow(0 0 8px var(--teal-glow));
}
.mob-menu-header-name {
  font-family: var(--fH);
  font-size: 13px;
  font-weight: 800;
  background: var(--g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mob-menu-nav {
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}
.mob-link {
  font-family: var(--fH) !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  color: var(--txt-m) !important;
  padding: 12px 16px !important;
  border-radius: 12px !important;
  transition: all .2s !important;
  display: flex !important;
  align-items: center;
  gap: 10px;
  letter-spacing: 0;
}
.mob-link:hover {
  color: var(--txt) !important;
  background: var(--sf-hov) !important;
}
.mob-link.active-link {
  color: var(--teal-lt) !important;
  background: rgba(0,123,143,.13) !important;
}
.mob-menu-footer {
  padding: 14px 16px 20px;
  border-top: 1px solid var(--bd);
}
.mob-cta {
  margin: 0 !important;
  width: 100%;
  padding: 14px 20px !important;
  font-size: 14px !important;
  justify-content: center;
  border-radius: 14px !important;
}

/* ── MOBILE NAV OVERRIDES ──────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none !important; }
  .three-dot-btn { display: flex !important; }
  .hamburger { display: none !important; }
  .btn-primary.btn-sm { display: none !important; }
  .navbar {
    padding: 12px clamp(14px,4vw,28px) !important;
  }
  .nav-brand-text {
    font-size: 12px !important;
  }
}

/* ── HERO MOBILE ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center;
    gap: 0;
  }
  .hero-visual {
    display: flex !important;   /* Torch visible on mobile */
    justify-content: center;
    width: 100%;
    order: 2;                   /* Torch appears after hero text */
    margin-top: 24px;
    margin-bottom: 16px;
  }
  .torch-stage {
    width: clamp(220px, 60vw, 340px) !important;
    height: clamp(280px, 72vw, 420px) !important;
    margin: 0 auto;
  }
  .hero-text { order: 1; width: 100%; }
  .hero-h1 { font-size: clamp(62px, 16vw, 100px) !important; }
  .hero-h2 { font-size: clamp(30px, 9vw, 56px) !important; margin: 0 auto 24px; }
  .hero-eyebrow { margin: 0 auto 20px; }
  .hero-sub { margin: 0 auto 36px; text-align: center; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero { padding-top: clamp(90px,14vw,120px) !important; padding-bottom: 60px !important; }
}
@media (max-width: 480px) {
  .hero-h1 { font-size: 58px !important; }
  .hero-btns { flex-direction: column; align-items: stretch; }
  .hero-btns .btn-primary, .hero-btns .btn-ghost {
    justify-content: center;
    text-align: center;
  }
  .hero-stats { gap: 16px; flex-wrap: wrap; justify-content: center; }
  .hstat-n { font-size: 22px !important; }
}

/* ── STATS STRIP MOBILE ───────────────────────────────────────── */
@media (max-width: 700px) {
  .stats-strip { grid-template-columns: repeat(2,1fr) !important; }
}
@media (max-width: 420px) {
  .stats-strip { grid-template-columns: 1fr 1fr !important; }
  .sstat-n { font-size: 28px !important; }
}

/* ── SECTION GRIDS MOBILE ─────────────────────────────────────── */
@media (max-width: 768px) {
  .feat-grid { grid-template-columns: 1fr !important; }
  .cat-grid  { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 480px) {
  .cat-grid  { grid-template-columns: 1fr !important; }
}

/* ── EXAM MODAL MOBILE ────────────────────────────────────────── */
@media (max-width: 720px) {
  .exam-panel {
    border-radius: 20px 20px 0 0 !important;
    max-height: 96vh !important;
  }
  .exam-body {
    flex-direction: column !important;
    gap: 0 !important;
    overflow-y: auto !important;
    max-height: calc(96vh - 80px) !important;
  }
  .exam-left, .exam-right {
    width: 100% !important;
    border-right: none !important;
    padding: 16px !important;
    border-bottom: 1px solid var(--bd) !important;
  }
  .exam-overlay { align-items: flex-end !important; padding: 0 !important; }
  .exam-header { flex-wrap: wrap; gap: 8px; padding: 14px 16px !important; }
}

/* ── FOOTER MOBILE ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr !important;
  }
  .footer-col { margin-top: 20px; }
}
@media (max-width: 480px) {
  .footer-bottom { flex-direction: column !important; gap: 10px !important; text-align: center; }
}

/* ── SECTION TITLE MOBILE ─────────────────────────────────────── */
@media (max-width: 480px) {
  .s-title { font-size: clamp(24px,7vw,34px) !important; }
  .s-sub   { font-size: 14px !important; }
  .section { padding: clamp(44px,10vw,80px) 0 !important; }
}

/* ── CONTAINER SAFE PADDING ──────────────────────────────────────*/
@media (max-width: 480px) {
  .container { padding: 0 16px !important; }
}

/* ── PREVENT OVERFLOW ISSUES ─────────────────────────────────────*/
* { -webkit-tap-highlight-color: transparent; }
body { touch-action: pan-y; }

/* Smooth 3-dot icon hover glow */
@media (hover: hover) {
  .three-dot-btn:hover { box-shadow: 0 0 18px var(--teal-glow); }
}

/* ═══════════════════════════════════════════════════════════════
   MODERN NAVBAR OVERRIDES
═══════════════════════════════════════════════════════════════ */

/* Brand text rework */
.nav-brand-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav-brand-top {
  font-family: var(--fH);
  font-size: 11px;
  font-weight: 500;
  color: var(--txt-m);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-brand-bottom {
  font-family: var(--fH);
  font-size: 14px;
  font-weight: 800;
  background: var(--g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.01em;
}

/* Floating pill container */
.nav-pill-wrap {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50px;
  padding: 5px 8px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: background 0.3s, border-color 0.3s;
}
[data-theme=light] .nav-pill-wrap {
  background: rgba(0,0,0,0.04);
  border-color: rgba(0,0,0,0.1);
}
.navbar.scrolled .nav-pill-wrap {
  background: rgba(255,255,255,0.06);
  border-color: rgba(0,180,204,0.18);
}

.nav-links {
  display: flex;
  gap: 0px;
  align-items: center;
}
.nl {
  font-family: var(--fH);
  font-size: 13px;
  font-weight: 600;
  color: var(--txt-m);
  padding: 7px 14px;
  border-radius: 40px;
  position: relative;
  transition: color 0.22s, background 0.22s;
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}
.nl::after { display: none; } /* remove old underline */
.nl:hover { color: var(--txt); background: rgba(255,255,255,0.06); }
.nl.active {
  color: var(--txt);
  background: rgba(0,123,143,0.18);
  border: 1px solid rgba(0,180,204,0.25);
}
[data-theme=light] .nl.active { background: rgba(0,123,143,0.1); }
[data-theme=light] .nl:hover { background: rgba(0,0,0,0.05); }

/* Practice link special highlight */
.nl-arena {
  color: #5bcfdf !important;
  background: rgba(0,123,143,0.12) !important;
  border: 1px solid rgba(0,180,204,0.2) !important;
}
.nl-arena:hover {
  background: rgba(0,123,143,0.22) !important;
  box-shadow: 0 0 16px rgba(0,180,204,0.2);
}

/* Leaderboard link */
.nl-lb { font-size: 12.5px; }

/* Join button in nav */
.nav-join-btn {
  padding: 8px 18px !important;
  font-size: 12.5px !important;
  border-radius: 40px !important;
  white-space: nowrap;
}

/* Hide nav-brand-text old class if still referenced */
.nav-brand-text { display: none !important; }

/* ═══════════════════════════════════════════════════════════════
   PRACTICE ARENA PORTAL
═══════════════════════════════════════════════════════════════ */

.practice-portal-section { overflow: hidden; }

/* ── Main portal card ── */
.arena-portal {
  position: relative;
  background: linear-gradient(135deg,
    rgba(0,123,143,0.12) 0%,
    rgba(6,9,26,0.6) 40%,
    rgba(76,175,80,0.08) 100%
  );
  border: 1px solid rgba(0,180,204,0.2);
  border-radius: 28px;
  padding: clamp(36px,5vw,64px);
  overflow: hidden;
  margin-bottom: 24px;
  transition: border-color 0.35s;
}
.arena-portal:hover { border-color: rgba(0,180,204,0.4); }

[data-theme=light] .arena-portal {
  background: linear-gradient(135deg,
    rgba(0,123,143,0.07) 0%,
    rgba(240,245,249,0.8) 40%,
    rgba(76,175,80,0.05) 100%
  );
}

/* Grid lines decoration */
.arena-grid-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: 28px;
}
.agl {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(0,180,204,0.07), transparent);
}
.agl-h { left: 0; right: 0; height: 1px; }
.agl-h1 { top: 32%; animation: glScan 8s ease-in-out infinite; }
.agl-h2 { top: 68%; animation: glScan 8s ease-in-out infinite 4s; }
.agl-v {
  top: 0; bottom: 0; width: 1px;
  background: linear-gradient(180deg, transparent, rgba(0,180,204,0.07), transparent);
}
.agl-v1 { left: 25%; animation: glScanV 10s ease-in-out infinite 1s; }
.agl-v2 { left: 50%; animation: glScanV 10s ease-in-out infinite 3s; }
.agl-v3 { left: 75%; animation: glScanV 10s ease-in-out infinite 5s; }

@keyframes glScan {
  0%,100% { opacity: 0.3; transform: scaleX(0.3); }
  50% { opacity: 1; transform: scaleX(1); }
}
@keyframes glScanV {
  0%,100% { opacity: 0.3; transform: scaleY(0.3); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Glowing orb on the right side */
.arena-orb {
  position: absolute;
  right: clamp(20px, 5vw, 64px);
  top: 50%;
  transform: translateY(-50%);
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
@media (max-width: 768px) {
  .arena-orb {
    width: 120px;
    height: 120px;
    right: 16px;
    top: 24px;
    transform: none;
    opacity: 0.5;
  }
}
.arena-orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: orbPulse 3.5s ease-in-out infinite;
}
.r1 {
  inset: 0;
  border-color: rgba(0,180,204,0.25);
  animation-delay: 0s;
}
.r2 {
  inset: 18px;
  border-color: rgba(76,175,80,0.2);
  animation-delay: 0.8s;
}
.r3 {
  inset: 36px;
  border-color: rgba(255,215,0,0.15);
  animation-delay: 1.6s;
}
@keyframes orbPulse {
  0%,100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.06); opacity: 1; }
}
.arena-orb-core {
  position: relative;
  z-index: 2;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(0,180,204,0.3), rgba(76,175,80,0.15), transparent 70%);
  border: 1px solid rgba(0,180,204,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 40px rgba(0,180,204,0.2),
    0 0 80px rgba(76,175,80,0.1),
    inset 0 1px 0 rgba(255,255,255,0.1);
  animation: coreGlow 4s ease-in-out infinite;
}
@keyframes coreGlow {
  0%,100% { box-shadow: 0 0 40px rgba(0,180,204,0.2), 0 0 80px rgba(76,175,80,0.1); }
  50% { box-shadow: 0 0 60px rgba(0,180,204,0.4), 0 0 120px rgba(76,175,80,0.2); }
}

/* Content */
.arena-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}
.arena-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,180,204,0.12);
  border: 1px solid rgba(0,180,204,0.28);
  color: #5bcfdf;
  font-family: var(--fH);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.arena-title {
  font-family: var(--fD);
  font-size: clamp(38px,5.5vw,72px);
  line-height: 1;
  letter-spacing: 2px;
  color: var(--txt);
  margin-bottom: 16px;
  background: linear-gradient(120deg, #eef1ff 0%, #5bcfdf 50%, #4CAF50 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.arena-desc {
  font-size: clamp(14px,1.4vw,16px);
  color: var(--txt-m);
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 520px;
}

/* Arena stats row */
.arena-stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 8px;
}
.arena-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}
.arena-stat-n {
  font-family: var(--fD);
  font-size: clamp(22px,2.5vw,32px);
  letter-spacing: 1px;
  background: var(--g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.arena-stat-l {
  font-family: var(--fH);
  font-size: 10px;
  font-weight: 600;
  color: var(--txt-d);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.arena-stat-div {
  width: 1px;
  height: 36px;
  background: var(--bd);
  margin: 0 20px;
  flex-shrink: 0;
}

/* Enter button */
.arena-enter-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  border-radius: 40px;
  text-decoration: none;
  transition: transform 0.3s var(--spring), box-shadow 0.3s;
  box-shadow: 0 8px 32px rgba(0,123,143,0.4);
}
.arena-enter-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 16px 48px rgba(0,123,143,0.55);
}
.arena-enter-btn:active { transform: scale(0.97); }

.arena-btn-inner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(90deg, #007B8F 0%, #4CAF50 60%, #5bcfdf 100%);
  color: #fff;
  font-family: var(--fH);
  font-weight: 800;
  font-size: 16px;
  padding: 16px 36px;
  border-radius: 40px;
  position: relative;
  z-index: 1;
  letter-spacing: 0.02em;
}
.arena-btn-shine {
  position: absolute;
  inset: 0;
  border-radius: 40px;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.15) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}
.arena-enter-btn:hover .arena-btn-shine {
  transform: translateX(100%);
}

/* Subject quick-jump section */
.arena-subjects {
  position: relative;
  z-index: 2;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--bd);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.arena-subj-label {
  font-family: var(--fH);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--txt-d);
  white-space: nowrap;
  flex-shrink: 0;
}
.arena-subj-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.arena-pill {
  font-family: var(--fH);
  font-size: 12.5px;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: 24px;
  border: 1px solid;
  text-decoration: none;
  transition: all 0.22s var(--spring);
  white-space: nowrap;
}
.arena-pill:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}
.pill-phy { color: #5bcfdf; border-color: rgba(91,207,223,0.25); background: rgba(91,207,223,0.07); }
.pill-phy:hover { background: rgba(91,207,223,0.18); border-color: rgba(91,207,223,0.5); }
.pill-mat { color: #81c784; border-color: rgba(129,199,132,0.25); background: rgba(129,199,132,0.07); }
.pill-mat:hover { background: rgba(129,199,132,0.18); border-color: rgba(129,199,132,0.5); }
.pill-che { color: #FFD700; border-color: rgba(255,215,0,0.25); background: rgba(255,215,0,0.07); }
.pill-che:hover { background: rgba(255,215,0,0.18); border-color: rgba(255,215,0,0.5); }
.pill-bio { color: #5bcfdf; border-color: rgba(91,207,223,0.25); background: rgba(91,207,223,0.07); }
.pill-bio:hover { background: rgba(91,207,223,0.18); border-color: rgba(91,207,223,0.5); }
.pill-inf { color: #ce93d8; border-color: rgba(206,147,216,0.25); background: rgba(206,147,216,0.07); }
.pill-inf:hover { background: rgba(206,147,216,0.18); border-color: rgba(206,147,216,0.5); }
.pill-ast { color: #ffb74d; border-color: rgba(255,183,77,0.25); background: rgba(255,183,77,0.07); }
.pill-ast:hover { background: rgba(255,183,77,0.18); border-color: rgba(255,183,77,0.5); }

/* ── Feature mini-cards ── */
.arena-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 900px) {
  .arena-features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .arena-features { grid-template-columns: 1fr; }
}

.arena-feat-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: 16px;
  padding: 20px;
  transition: all 0.25s var(--ease);
}
.arena-feat-card:hover {
  background: var(--sf-hov);
  border-color: var(--bd-a);
  transform: translateY(-3px);
}
.arena-feat-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.afc-teal { background: rgba(0,180,204,0.12); color: #5bcfdf; border: 1px solid rgba(0,180,204,0.2); }
.afc-green { background: rgba(76,175,80,0.12); color: #81c784; border: 1px solid rgba(76,175,80,0.2); }
.afc-gold { background: rgba(255,215,0,0.1); color: #FFD700; border: 1px solid rgba(255,215,0,0.2); }
.arena-feat-title {
  font-family: var(--fH);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--txt);
  margin-bottom: 4px;
}
.arena-feat-body {
  font-size: 12.5px;
  color: var(--txt-m);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE NAV OVERRIDES
═══════════════════════════════════════════════════════════════ */
@media (max-width: 1080px) {
  .nav-pill-wrap { display: none; }
}
@media (max-width: 1080px) {
  .three-dot-btn { display: flex !important; }
}

/* Mobile: simplify brand */
@media (max-width: 600px) {
  .nav-brand-top { font-size: 10px; }
  .nav-brand-bottom { font-size: 12px; }
  .nav-join-btn { display: none !important; }
}

/* Portal responsive */
@media (max-width: 640px) {
  .arena-portal { padding: 28px 20px 24px; }
  .arena-subjects { flex-direction: column; align-items: flex-start; }
  .arena-stat-div { display: none; }
  .arena-stats { gap: 16px; }
  .arena-stat { flex-direction: row; align-items: center; gap: 8px; }
  .arena-stat-l { font-size: 11px; }
}

/* ═══════════════════════════════════════════════════════════════
   PANELISTS DESKTOP DROPDOWN
═══════════════════════════════════════════════════════════════ */

.nl-dropdown-wrap {
  position: relative;
}

/* Chevron icon inside the trigger link */
.nl-chevron {
  display: inline-block;
  transition: transform 0.22s var(--ease);
  flex-shrink: 0;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.nl-panelists {
  display: flex !important;
  align-items: center;
  gap: 5px;
}
.nl-dropdown-wrap:hover .nl-chevron {
  transform: rotate(180deg);
}

/* The dropdown panel */
.nl-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: 230px;
  background: var(--bg2);
  border: 1px solid rgba(0,180,204,0.2);
  border-radius: 16px;
  padding: 8px;
  box-shadow:
    0 20px 60px rgba(0,0,0,0.45),
    0 0 0 1px rgba(255,255,255,0.04) inset;
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  z-index: 900;
}
/* little arrow pointer */
.nl-dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 11px;
  height: 11px;
  background: var(--bg2);
  border-left: 1px solid rgba(0,180,204,0.2);
  border-top: 1px solid rgba(0,180,204,0.2);
}
.nl-dropdown.open {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.nl-drop-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--txt-m);
  font-family: var(--fH);
  font-size: 13px;
  font-weight: 600;
  transition: background 0.18s, color 0.18s;
}
.nl-drop-item:hover {
  background: var(--sf-hov);
  color: var(--txt);
}
.nl-drop-featured {
  background: rgba(0,123,143,0.08);
  border: 1px solid rgba(0,180,204,0.12);
  color: var(--txt);
  margin-bottom: 4px;
}
.nl-drop-featured:hover {
  background: rgba(0,123,143,0.16);
  border-color: rgba(0,180,204,0.28);
}
.nl-drop-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(0,180,204,0.12);
  border: 1px solid rgba(0,180,204,0.2);
  color: #5bcfdf;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nl-drop-icon-sm {
  width: 30px;
  height: 30px;
  background: rgba(76,175,80,0.1);
  border-color: rgba(76,175,80,0.2);
  color: #81c784;
}
.nl-drop-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--txt);
  margin-bottom: 1px;
}
.nl-drop-sub {
  font-size: 11px;
  color: var(--txt-d);
  font-weight: 500;
}
.nl-drop-divider {
  height: 1px;
  background: var(--bd);
  margin: 4px 0;
}

/* ═══════════════════════════════════════════════════════════════
   PANELISTS MOBILE ACCORDION
═══════════════════════════════════════════════════════════════ */

.mob-panelists-wrap {
  width: 100%;
}
.mob-panelists-toggle {
  width: 100%;
  text-align: left;
  display: flex !important;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--txt-m);
  font-family: var(--fH);
  font-size: 26px;
  font-weight: 800;
  padding: 10px 48px;
  transition: color 0.22s, background 0.22s;
  border-radius: 14px;
}
.mob-panelists-toggle:hover {
  color: var(--green);
  background: var(--sf);
}
.mob-panelists-toggle.expanded {
  color: #5bcfdf;
}
/* push chevron to the right */
.mob-panelists-toggle .mob-chevron {
  margin-left: auto;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.25s var(--ease);
}
.mob-panelists-toggle.expanded .mob-chevron {
  transform: rotate(180deg);
}

/* sub-links container */
.mob-panelists-sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s cubic-bezier(0.4,0,0.2,1);
  padding-left: 24px;
}
.mob-panelists-sub.open {
  max-height: 300px;
}
.mob-sub-link {
  font-size: 18px !important;
  font-weight: 600 !important;
  padding: 8px 48px 8px 24px !important;
  color: var(--txt-d) !important;
  display: flex !important;
  align-items: center;
  gap: 10px;
  border-left: 2px solid rgba(0,180,204,0.2);
  border-radius: 0 10px 10px 0;
}
.mob-sub-link:first-child {
  color: #5bcfdf !important;
  border-left-color: rgba(0,180,204,0.5);
  background: rgba(0,180,204,0.05);
  font-weight: 700 !important;
}
.mob-sub-link:hover {
  color: var(--txt) !important;
  background: var(--sf) !important;
}