/* ===================================================================
   SCSVMV × IIT Madras — Collaboration Initiatives
   Modern responsive PWA landing page
   =================================================================== */

/* ---------- TOKENS ---------- */
:root{
  --navy:#0d2a5c;
  --navy-2:#16439a;
  --blue:#2563eb;
  --gold:#f6a623;
  --gold-d:#e08e0b;
  --maroon:#9b1d3f;
  --teal:#0ea5a8;

  --bg:#f4f6fb;
  --bg-soft:#ffffff;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --line:#e4e8f0;
  --text:#101936;
  --text-2:#52607a;
  --text-3:#8b96ad;

  --grad-hero:linear-gradient(120deg,#0d2a5c 0%,#163a86 45%,#1f56b8 100%);
  --grad-gold:linear-gradient(120deg,#f6a623,#ff8a3c);
  --grad-text:linear-gradient(120deg,#ffd25e,#f6a623);
  --grad-text2:linear-gradient(120deg,#7fc5ff,#3e8bff);

  --shadow-s:0 2px 10px rgba(13,42,92,.07);
  --shadow-m:0 14px 38px -14px rgba(13,42,92,.22);
  --shadow-l:0 30px 70px -28px rgba(13,42,92,.40);

  --r-s:12px; --r-m:18px; --r-l:26px;
  --max:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-d:'Sora',var(--font);
}
[data-theme="dark"]{
  --bg:#070c1a;
  --bg-soft:#0c1326;
  --surface:#101a33;
  --surface-2:#0c142a;
  --line:#21304f;
  --text:#eef2fb;
  --text-2:#9fb0cf;
  --text-3:#6f81a6;
  --shadow-m:0 14px 38px -14px rgba(0,0,0,.55);
  --shadow-l:0 30px 70px -28px rgba(0,0,0,.7);
  --shadow-s:0 2px 10px rgba(0,0,0,.4);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  transition:background .4s var(--ease),color .4s var(--ease);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

h1,h2,h3,h4{font-family:var(--font-d);line-height:1.18;letter-spacing:-.02em}

/* ---------- SCROLL PROGRESS ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:200;
  background:var(--grad-gold);box-shadow:0 0 12px rgba(246,166,35,.6);
}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:transparent;transition:.35s var(--ease);
}
.nav.scrolled{
  background:color-mix(in srgb,var(--bg-soft) 88%,transparent);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-s);border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:18px}
.brand{display:flex;align-items:center;gap:9px}
.brand-logo{height:40px;width:auto;filter:drop-shadow(0 2px 4px rgba(0,0,0,.18))}
.brand-x{font-weight:800;color:var(--text-3);font-size:1rem}
.brand-text{display:flex;flex-direction:column;line-height:1.1;margin-left:4px}
.brand-text strong{font-size:.95rem;font-family:var(--font-d);color:var(--text)}
.brand-text small{font-size:.68rem;color:var(--text-2);letter-spacing:.04em;text-transform:uppercase}
.nav:not(.scrolled) .brand-text strong,
.nav:not(.scrolled) .brand-text small{color:#fff}
.nav:not(.scrolled) .brand-x{color:rgba(255,255,255,.6)}

.nav-links{display:flex;gap:4px}
.nav-links a{
  font-size:.9rem;font-weight:600;padding:9px 14px;border-radius:999px;
  color:var(--text-2);transition:.25s var(--ease);position:relative;
}
.nav:not(.scrolled) .nav-links a{color:rgba(255,255,255,.85)}
.nav-links a:hover{color:var(--text);background:color-mix(in srgb,var(--gold) 16%,transparent)}
.nav:not(.scrolled) .nav-links a:hover{color:#fff}
.nav-links a.active{
  color:var(--navy);background:var(--grad-gold);box-shadow:0 4px 14px -4px rgba(246,166,35,.7);
}
.nav:not(.scrolled) .nav-links a.active{color:var(--navy)}

.nav-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:color-mix(in srgb,var(--surface) 70%,transparent);
  border:1px solid var(--line);transition:.25s var(--ease);font-size:1.2rem;
}
.nav:not(.scrolled) .icon-btn{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.25);color:#fff}
.icon-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-s)}
.icon-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ic-moon{display:none}
[data-theme="dark"] .ic-sun{display:none}
[data-theme="dark"] .ic-moon{display:block}

.burger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;
  border-radius:50%;align-items:center;justify-content:center;
  background:color-mix(in srgb,var(--surface) 70%,transparent);border:1px solid var(--line)}
.nav:not(.scrolled) .burger{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.25)}
.burger span{width:19px;height:2px;background:currentColor;border-radius:2px;transition:.3s var(--ease)}
.nav:not(.scrolled) .burger span{background:#fff}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.95rem;
  padding:14px 26px;border-radius:999px;transition:.3s var(--ease);white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:.85rem}
.btn-primary{background:var(--grad-gold);color:var(--navy);box-shadow:0 12px 26px -10px rgba(246,166,35,.75)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px -10px rgba(246,166,35,.9)}
.btn-ghost{border:1.6px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.section:not(.section-dark) .btn-ghost{border-color:var(--line);color:var(--text)}
.section:not(.section-dark) .btn-ghost:hover{background:var(--surface-2)}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;
  background:var(--grad-hero);color:#fff;overflow:hidden;padding:120px 0 80px}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
.orb-1{width:480px;height:480px;background:#f6a623;top:-130px;right:-90px;animation:float 14s var(--ease) infinite}
.orb-2{width:420px;height:420px;background:#3e8bff;bottom:-160px;left:-110px;animation:float 18s var(--ease) infinite reverse}
.orb-3{width:300px;height:300px;background:#10b9b9;top:38%;left:42%;opacity:.32;animation:float 16s var(--ease) infinite}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(36px,-32px) scale(1.12)}}
.grid-lines{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:54px 54px;mask:radial-gradient(circle at 50% 40%,#000,transparent 78%)}

.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;
  padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);letter-spacing:.04em;text-transform:uppercase}
.pill strong{color:var(--gold)}
.hero h1{font-size:clamp(2.3rem,5.2vw,4rem);margin:20px 0 18px;font-weight:800}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad-text-2{background:var(--grad-text2);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:clamp(1rem,1.5vw,1.16rem);color:rgba(255,255,255,.86);max-width:560px}
.hero-sub b{color:#fff;font-weight:700}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0 28px}
.hero-tags span{font-size:.8rem;font-weight:600;padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}
.hero-tags span::before{content:"◆ ";color:var(--gold);font-size:.7rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}

.hero-card{position:relative;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-l);padding:30px;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--shadow-l)}
.hero-card-glow{position:absolute;inset:0;border-radius:var(--r-l);padding:1px;
  background:linear-gradient(140deg,rgba(246,166,35,.7),transparent 45%,rgba(62,139,255,.6));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.hc-row{display:flex;gap:14px}
.hc-stat{flex:1;text-align:center;background:rgba(255,255,255,.07);border-radius:var(--r-s);padding:14px 8px}
.hc-stat b{display:block;font-family:var(--font-d);font-size:2.1rem;font-weight:800;color:var(--gold)}
.hc-stat span{font-size:.76rem;color:rgba(255,255,255,.78);text-transform:uppercase;letter-spacing:.05em}
.hc-line{height:1px;background:rgba(255,255,255,.16);margin:20px 0}
.hc-list li{display:flex;align-items:flex-start;gap:11px;font-size:.92rem;
  color:rgba(255,255,255,.9);margin-bottom:13px}
.dot{width:9px;height:9px;border-radius:50%;margin-top:7px;flex-shrink:0}
.d1{background:#f6a623}.d2{background:#3e8bff}.d3{background:#10b9b9}.d4{background:#ff7a7a}
.hc-badge{display:flex;align-items:center;gap:8px;margin-top:18px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.16);font-size:.82rem;font-weight:700;color:var(--gold)}
.hc-badge img{height:30px;width:auto;background:#fff;border-radius:7px;padding:3px}

.scroll-hint{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  width:26px;height:42px;border:2px solid rgba(255,255,255,.4);border-radius:14px;display:grid;place-items:start center}
.scroll-hint span{width:4px;height:9px;background:var(--gold);border-radius:2px;margin-top:7px;
  animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;transform:translateY(0)}40%{opacity:1}80%{opacity:0;transform:translateY(14px)}}

/* ---------- MARQUEE ---------- */
.marquee{background:var(--navy);overflow:hidden;padding:14px 0;
  border-block:1px solid rgba(255,255,255,.08)}
.marquee-track{display:flex;align-items:center;gap:30px;width:max-content;
  animation:marquee 26s linear infinite}
.marquee-track span{font-family:var(--font-d);font-weight:700;font-size:1rem;color:#fff;white-space:nowrap}
.marquee-track i{color:var(--gold);font-size:.7rem}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- SECTIONS ---------- */
.section{padding:100px 0;position:relative}
.section-dark{background:var(--navy);color:#fff}
.section-dark .sec-head p{color:rgba(255,255,255,.78)}
.section-accent{background:
  radial-gradient(1100px 400px at 85% 0%,rgba(246,166,35,.14),transparent),
  var(--surface-2)}

.sec-head{max-width:660px;margin:0 auto 56px;text-align:center}
.kicker{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold-d);
  padding:6px 14px;border-radius:999px;background:color-mix(in srgb,var(--gold) 16%,transparent);margin-bottom:14px}
.kicker.light{color:var(--gold)}
.sec-head h2{font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:800;margin-bottom:14px}
.sec-head p{color:var(--text-2);font-size:1.04rem}

/* ---------- PARTNERS ---------- */
.partners{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center;margin-bottom:64px}
.partner-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--shadow-m);transition:.35s var(--ease)}
.partner-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-l)}
.partner-photo{position:relative;aspect-ratio:16/9;overflow:hidden}
.partner-photo img:first-child{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.partner-card:hover .partner-photo img:first-child{transform:scale(1.07)}
.partner-photo::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(13,42,92,.55))}
.partner-logo{position:absolute;bottom:-26px;left:24px;height:64px;width:64px;
  background:#fff;border-radius:14px;padding:7px;box-shadow:var(--shadow-m);z-index:2}
.partner-body{padding:38px 24px 26px}
.partner-body h3{font-size:1.5rem;font-weight:800}
.partner-full{font-size:.82rem;color:var(--text-2);font-weight:600;margin-top:3px}
.partner-body .tag{display:inline-block;margin:10px 0 12px;font-size:.72rem;font-weight:700;
  padding:5px 12px;border-radius:999px;background:var(--surface-2);
  border:1px solid var(--line);color:var(--text-2)}
.partner-body p:last-child{font-size:.93rem;color:var(--text-2)}
.partner-join{display:grid;place-items:center}
.join-ring{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad-gold);box-shadow:0 14px 30px -10px rgba(246,166,35,.7);
  animation:pulse 3s var(--ease) infinite}
.join-ring svg{width:34px;height:34px;fill:none;stroke:var(--navy);stroke-width:3;stroke-linecap:round}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}

/* ---------- PILLARS ---------- */
.pillars{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.pillar{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px 18px;text-align:center;transition:.35s var(--ease);position:relative;overflow:hidden}
.pillar::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-gold);transform:scaleX(0);transition:.35s var(--ease)}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow-m);border-color:transparent}
.pillar:hover::before{transform:scaleX(1)}
.pillar-ic{width:54px;height:54px;margin:0 auto 14px;border-radius:15px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--gold) 18%,transparent);color:var(--gold-d)}
.pillar-ic svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pillar h4{font-size:1rem;font-weight:700;margin-bottom:6px}
.pillar p{font-size:.83rem;color:var(--text-2)}

/* ---------- STATS ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{position:relative;text-align:center;padding:34px 18px;border-radius:var(--r-m);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);overflow:hidden}
.stat::before{content:"";position:absolute;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(246,166,35,.35),transparent 70%);top:-50px;right:-40px}
.stat b{font-family:var(--font-d);font-size:clamp(2.4rem,5vw,3.4rem);font-weight:800;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.stat span{font-size:.9rem;color:rgba(255,255,255,.82);font-weight:600}

/* ---------- FILTERS ---------- */
.filters{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:28px}
.filter-btn{font-size:.82rem;font-weight:700;padding:8px 16px;border-radius:999px;
  background:var(--surface);border:1.5px solid var(--line);color:var(--text-2);transition:.25s var(--ease)}
.filter-btn:hover{border-color:var(--gold);color:var(--text);transform:translateY(-2px)}
.filter-btn.active{background:var(--navy);border-color:var(--navy);color:#fff}
[data-theme="dark"] .filter-btn.active{background:var(--grad-gold);color:var(--navy);border-color:transparent}

/* ---------- INITIATIVES PHOTO GRID ---------- */
.initiatives-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.initiatives-empty{grid-column:1/-1;text-align:center;color:var(--text-2);padding:36px 16px}

.init-card{
  display:flex;flex-direction:column;text-align:left;width:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--shadow-s);cursor:pointer;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.init-card:hover{
  transform:translateY(-6px);box-shadow:var(--shadow-l);
  border-color:color-mix(in srgb,var(--gold) 45%,var(--line));
}
.init-card:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

.init-photo{
  position:relative;margin:0;aspect-ratio:4/3;overflow:hidden;background:var(--grad-hero);
}
.init-photo::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,transparent 35%,rgba(13,42,92,.72) 100%);
  opacity:.85;transition:opacity .35s var(--ease);
}
.init-card:hover .init-photo::after{opacity:.95}
.init-photo img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .65s var(--ease);
}
.init-card:hover .init-photo img{transform:scale(1.07)}

.init-fallback{
  position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--navy) 0%,#1a4a9e 55%,var(--teal) 100%);
}
.init-fallback svg{width:52px;height:52px;fill:none;stroke:rgba(255,255,255,.9);stroke-width:1.5}

.init-no{
  position:absolute;top:12px;left:12px;z-index:2;
  font-family:var(--font-d);font-size:.82rem;font-weight:800;
  padding:6px 11px;border-radius:8px;
  background:var(--grad-gold);color:var(--navy);box-shadow:0 4px 14px rgba(0,0,0,.22);
}
.init-date{
  position:absolute;bottom:12px;right:12px;z-index:2;
  font-size:.7rem;font-weight:700;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--navy);
  box-shadow:0 2px 10px rgba(0,0,0,.15);max-width:calc(100% - 80px);
  text-align:right;line-height:1.25;
}

.init-info{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1;gap:0}
.init-cat{
  font-size:.67rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
  color:var(--blue);margin-bottom:6px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.init-info h3{
  font-size:1.05rem;font-weight:800;line-height:1.32;margin:0 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.init-type{
  font-size:.82rem;color:var(--text-2);line-height:1.45;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.init-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:.82rem;font-weight:800;color:var(--blue);
}
.init-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.4;
  stroke-linecap:round;transition:transform .25s var(--ease)}
.init-card:hover .init-link svg{transform:translateX(4px)}

/* ---------- RECOGNITION ---------- */
.recog{display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:center}
.recog-media{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow-l)}
.recog-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.recog-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,transparent 55%,rgba(155,29,63,.35))}
.recog-medal{position:absolute;top:18px;right:18px;width:54px;height:54px;border-radius:50%;
  display:grid;place-items:center;font-size:1.6rem;background:var(--grad-gold);color:var(--navy);
  box-shadow:var(--shadow-m);animation:pulse 3s var(--ease) infinite}
.recog-body h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800;margin:12px 0 16px}
.recog-lead{font-size:1.08rem;color:var(--text);margin-bottom:14px}
.recog-body p{color:var(--text-2)}
.recog-body blockquote{margin-top:20px;padding:16px 22px;border-left:4px solid var(--gold);
  background:var(--surface);border-radius:0 var(--r-s) var(--r-s) 0;
  font-family:var(--font-d);font-weight:700;font-size:1.1rem;font-style:italic;box-shadow:var(--shadow-s)}

/* ---------- COORDINATION ---------- */
.coord{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.coord-body h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800;margin:12px 0 16px}
.coord-body p{color:var(--text-2);margin-bottom:12px}
.coord-body b{color:var(--text)}
.coord-chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.coord-chips span{font-size:.8rem;font-weight:700;padding:8px 15px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s)}
.coord-chips span::before{content:"✦ ";color:var(--gold-d)}
.coord-media{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow-l)}
.coord-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.coord-cap{position:absolute;left:0;right:0;bottom:0;padding:30px 20px 16px;color:#fff;
  font-size:.86rem;font-weight:600;background:linear-gradient(transparent,rgba(13,42,92,.9))}

/* ---------- ROADMAP ---------- */
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rm-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-m);padding:26px 20px;transition:.35s var(--ease);position:relative;overflow:hidden}
.rm-card:hover{transform:translateY(-7px);background:rgba(255,255,255,.09);border-color:rgba(246,166,35,.4)}
.rm-num{font-family:var(--font-d);font-size:2.4rem;font-weight:800;line-height:1;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.55}
.rm-card h4{font-size:1.04rem;font-weight:700;margin:8px 0 8px;color:#fff}
.rm-card p{font-size:.85rem;color:rgba(255,255,255,.72)}
.commitment{text-align:center;max-width:680px;margin:50px auto 0;padding:34px 28px;
  border-radius:var(--r-l);background:rgba(246,166,35,.1);border:1px solid rgba(246,166,35,.28)}
.commitment h3{color:var(--gold);font-size:1.3rem;font-weight:800;margin-bottom:8px}
.commitment p{color:rgba(255,255,255,.85);margin-bottom:18px}
.commit-words{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.commit-words span{font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  padding:7px 15px;border-radius:999px;background:rgba(255,255,255,.1);color:#fff}

/* ---------- GALLERY ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.g-item{position:relative;border-radius:var(--r-s);overflow:hidden;cursor:pointer;
  aspect-ratio:1;box-shadow:var(--shadow-s);transition:.35s var(--ease)}
.g-item:nth-child(6n+1){grid-row:span 2;aspect-ratio:1/2}
.g-item img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.g-item:hover{transform:scale(1.02);box-shadow:var(--shadow-l)}
.g-item:hover img{transform:scale(1.1)}
.g-item::after{content:"";position:absolute;inset:0;
  background:linear-gradient(transparent 55%,rgba(13,42,92,.85));opacity:0;transition:.3s var(--ease)}
.g-item:hover::after{opacity:1}
.g-cap{position:absolute;left:0;right:0;bottom:0;padding:14px 12px;color:#fff;font-size:.78rem;
  font-weight:600;transform:translateY(10px);opacity:0;transition:.3s var(--ease);z-index:2}
.g-item:hover .g-cap{transform:translateY(0);opacity:1}
.g-zoom{position:absolute;top:10px;right:10px;width:30px;height:30px;border-radius:50%;
  background:rgba(255,255,255,.9);display:grid;place-items:center;opacity:0;transition:.3s var(--ease);z-index:2}
.g-item:hover .g-zoom{opacity:1}
.g-zoom svg{width:15px;height:15px;fill:none;stroke:var(--navy);stroke-width:2.4}

/* ---------- CTA BAND ---------- */
.cta-band{background:var(--grad-hero);color:#fff;padding:78px 0;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(246,166,35,.3),transparent 70%);top:-180px;left:50%;transform:translateX(-50%)}
.cta-inner{position:relative;display:flex;flex-direction:column;align-items:center;gap:24px}
.cta-inner h2{font-size:clamp(1.4rem,3vw,2.2rem);font-weight:800;max-width:760px}

/* ---------- FOOTER ---------- */
.footer{background:#091022;color:#cdd6ea}
[data-theme="dark"] .footer{background:#04070f}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1.4fr;gap:40px;padding:60px 24px 40px}
.footer-logos{display:flex;gap:10px;margin-bottom:14px}
.footer-logos img{height:46px;background:#fff;border-radius:9px;padding:5px}
.footer-brand p{font-size:.9rem;color:#9fb0cf}
.footer-brand strong{color:#fff;font-family:var(--font-d)}
.footer-motto{color:var(--gold)!important;font-weight:700;margin-top:8px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-col a{display:block;font-size:.9rem;color:#9fb0cf;padding:5px 0;transition:.2s}
.footer-col a:hover{color:var(--gold);transform:translateX(4px)}
.footer-col p{font-size:.88rem;color:#9fb0cf;margin-bottom:10px}
.footer-bar{border-top:1px solid rgba(255,255,255,.08);padding:20px 0}
.footer-bar .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-bar span{font-size:.8rem;color:#7686a6}

/* ---------- MODAL ---------- */
.modal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-overlay{position:absolute;inset:0;background:rgba(6,11,26,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:fade .3s}
.modal-box{position:relative;background:var(--surface);border-radius:var(--r-l);
  max-width:680px;width:100%;max-height:90vh;overflow:hidden;box-shadow:var(--shadow-l);
  animation:pop .4s var(--ease)}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{opacity:0;transform:translateY(30px) scale(.96)}}
.modal-close{position:absolute;top:14px;right:14px;z-index:3;width:40px;height:40px;
  border-radius:50%;background:rgba(255,255,255,.9);color:var(--navy);font-size:1.5rem;
  display:grid;place-items:center;box-shadow:var(--shadow-s);transition:.25s}
.modal-close:hover{transform:rotate(90deg)}
.modal-content{overflow-y:auto;max-height:90vh}
.m-hero{position:relative;aspect-ratio:16/8;overflow:hidden;background:var(--grad-hero)}
.m-hero img{width:100%;height:100%;object-fit:cover}
.m-hero-fallback{position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--navy),var(--navy-2))}
.m-hero-fallback svg{width:84px;height:84px;fill:none;stroke:rgba(255,255,255,.85);stroke-width:1.3}
.m-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(13,42,92,.78))}
.m-hero-tags{position:absolute;left:18px;bottom:16px;display:flex;gap:8px;flex-wrap:wrap;z-index:2}
.m-hero-tags span{font-size:.7rem;font-weight:800;padding:5px 12px;border-radius:999px;
  text-transform:uppercase;letter-spacing:.04em}
.m-tag-cat{background:rgba(255,255,255,.92);color:var(--navy)}
.m-tag-date{background:var(--grad-gold);color:var(--navy)}
.m-pad{padding:26px 28px 30px}
.m-type{font-size:.74rem;font-weight:800;color:var(--gold-d);text-transform:uppercase;letter-spacing:.06em}
.m-pad h3{font-size:1.5rem;font-weight:800;margin:6px 0 4px}
.m-sub{font-size:.95rem;color:var(--text-2);font-weight:600;margin-bottom:16px}
.m-summary{font-size:.95rem;color:var(--text-2);margin-bottom:20px}
.m-list{margin-bottom:18px}
.m-list h4{font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;
  color:var(--navy);margin-bottom:10px;display:flex;align-items:center;gap:8px}
[data-theme="dark"] .m-list h4{color:var(--gold)}
.m-list h4::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--grad-gold)}
.m-list ul{display:grid;gap:8px}
.m-list li{display:flex;gap:10px;font-size:.9rem;color:var(--text-2);
  background:var(--surface-2);padding:10px 13px;border-radius:var(--r-s);border:1px solid var(--line)}
.m-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);
  margin-top:8px;flex-shrink:0}

/* ---------- LIGHTBOX ---------- */
.lightbox{position:fixed;inset:0;z-index:320;display:none;align-items:center;justify-content:center;
  background:rgba(6,11,26,.94);padding:30px}
.lightbox.open{display:flex;animation:fade .3s}
.lb-fig{max-width:1000px;max-height:86vh;display:flex;flex-direction:column;gap:12px;align-items:center}
.lb-fig img{max-width:100%;max-height:78vh;border-radius:var(--r-s);
  box-shadow:0 30px 80px rgba(0,0,0,.6);animation:pop .35s var(--ease)}
.lb-fig figcaption{color:#dfe6f5;font-size:.92rem;font-weight:600;text-align:center}
.lb-close{position:absolute;top:20px;right:24px;font-size:2rem;color:#fff;
  width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.12);transition:.25s}
.lb-close:hover{background:rgba(255,255,255,.25);transform:rotate(90deg)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:54px;height:54px;
  border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:1.8rem;transition:.25s}
.lb-nav:hover{background:var(--grad-gold);color:var(--navy)}
.lb-prev{left:24px}.lb-next{right:24px}

/* ---------- BACK TO TOP ---------- */
.to-top{position:fixed;bottom:24px;right:24px;width:50px;height:50px;border-radius:50%;
  background:var(--grad-gold);color:var(--navy);display:grid;place-items:center;z-index:110;
  box-shadow:var(--shadow-m);opacity:0;visibility:hidden;transform:translateY(20px);transition:.35s var(--ease)}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-4px)}
.to-top svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}

/* ---------- INSTALL TOAST ---------- */
.install-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(140%);
  z-index:130;display:flex;align-items:center;gap:14px;padding:14px 16px;width:min(440px,92vw);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--shadow-l);transition:transform .45s var(--ease)}
.install-toast.show{transform:translateX(-50%) translateY(0)}
.install-toast img{width:46px;height:46px;border-radius:11px}
.install-toast div{flex:1;display:flex;flex-direction:column;line-height:1.35}
.install-toast strong{font-size:.92rem}
.install-toast span{font-size:.78rem;color:var(--text-2)}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:.7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------- UPCOMING EVENTS PAGE ---------- */
.page-hero{
  position:relative;padding:130px 0 72px;overflow:hidden;
  background:var(--grad-hero);color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;opacity:.35;
  background:radial-gradient(ellipse 80% 60% at 20% 0%,rgba(246,166,35,.35),transparent 60%),
             radial-gradient(ellipse 60% 50% at 90% 80%,rgba(100,180,255,.2),transparent 55%);
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:800;margin:14px 0 16px}
.page-hero p{max-width:640px;color:rgba(255,255,255,.82);font-size:1.05rem;line-height:1.65}
.page-hero .pill{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);color:#fff}
.nav-page .brand-text strong,.nav-page .brand-text small{color:var(--text)}
.nav-page .brand-x{color:var(--text-3)}

.ue-list{display:flex;flex-direction:column;gap:28px}
.ue-card{
  display:grid;grid-template-columns:auto 1fr;gap:28px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:32px 34px;box-shadow:var(--shadow-s);transition:.35s var(--ease);
}
.ue-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:color-mix(in srgb,var(--gold) 35%,var(--line))}
.ue-num{
  width:56px;height:56px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-family:var(--font-d);font-weight:800;font-size:1.15rem;
  background:var(--grad-gold);color:var(--navy);box-shadow:0 6px 18px -6px rgba(246,166,35,.65);
}
.ue-head{margin-bottom:14px}
.ue-dept{
  display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;color:var(--gold-d);margin-bottom:10px;
}
.ue-dept svg{width:18px;height:18px;stroke:var(--gold-d)}
.ue-card h3{font-size:clamp(1.35rem,2.4vw,1.75rem);font-weight:800;margin-bottom:10px}
.ue-organiser{font-size:.95rem;color:var(--text-2);line-height:1.55;margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.ue-body p{color:var(--text-2);line-height:1.72;margin-bottom:14px}
.ue-body p:last-of-type{margin-bottom:0}
.ue-audience{
  margin-top:22px;padding:18px 20px;border-radius:var(--r-m);
  background:color-mix(in srgb,var(--navy) 6%,var(--surface));
  border-left:4px solid var(--gold);
}
.ue-audience strong{display:block;font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--navy);margin-bottom:8px}
[data-theme="dark"] .ue-audience strong{color:var(--gold)}
.ue-audience p{font-size:.92rem;color:var(--text-2);line-height:1.65;margin:0}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-card{max-width:460px}
  .pillars{grid-template-columns:repeat(3,1fr)}
  .roadmap{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .initiatives-grid{grid-template-columns:repeat(2,1fr);gap:18px}
}
@media(max-width:860px){
  .nav-links{position:fixed;top:74px;right:0;width:min(300px,82vw);
    height:calc(100vh - 74px);flex-direction:column;gap:4px;padding:22px;
    background:var(--bg-soft);border-left:1px solid var(--line);
    transform:translateX(110%);transition:.4s var(--ease);box-shadow:var(--shadow-l)}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{color:var(--text-2)!important;width:100%;font-size:1rem;padding:12px 16px}
  .burger{display:flex}
  .section{padding:74px 0}
  .partners{grid-template-columns:1fr;gap:34px}
  .partner-join{transform:rotate(90deg)}
  .recog,.coord{grid-template-columns:1fr;gap:30px}
  .coord-media{grid-row:1}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .container{padding:0 18px}
  .initiatives-grid{grid-template-columns:1fr;gap:16px}
  .init-info h3{font-size:1rem}
  .pillars{grid-template-columns:1fr 1fr}
  .roadmap{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .g-item:nth-child(6n+1){grid-row:span 1;aspect-ratio:1}
  .hero{padding:108px 0 70px}
  .hero-card{padding:22px}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .footer-bar .container{flex-direction:column;text-align:center}
  .btn{width:100%;justify-content:center}
  .hero-cta{width:100%}
  .brand-text{display:none}
  .sec-head{margin-bottom:40px}
  .ue-card{grid-template-columns:1fr;padding:24px 22px}
  .ue-num{width:48px;height:48px;font-size:1rem}
  .page-hero{padding:108px 0 56px}
  .lb-prev{left:8px}.lb-next{right:8px}
  .lb-nav{width:44px;height:44px}
}
@media(max-width:380px){
  .pillars{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}