/* =====================================================
   ISTE ACGCET — NSSC Professional Design System
   Inspired by https://www.nssc.in/about
   Deep space black + navy atmosphere + precise typography
   ===================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --black:#020208;
  --black-2:#050510;
  --navy:#0d518c;
  --steel:#5c6795;
  --white:#f2f4ff;
  --off:#b9c0d8;
  --muted:#8a94b0;
  --faint:#5d6685;
  --border:rgba(255,255,255,.09);
  --border-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --glow-w:0 0 20px rgba(255,255,255,.15),0 0 55px rgba(92,103,149,.65),0 0 110px rgba(13,81,140,.7);
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  /* legacy aliases */
  --font-heading:'Space Grotesk',sans-serif;
  --bg:#020208; --bg-2:#050510; --bg-3:#0a0a1c;
  --white:#f2f4ff; --off-white:#b9c0d8; --muted:#8a94b0;
  --text-muted:#8a94b0; --primary:#f2f4ff; --accent:#bcd0ff;
  --gold:#e8ecff; --gold-light:#fff; --blue:#bcd0ff; --blue-bright:#fff;
  --border-light:rgba(255,255,255,.09); --border-gold:rgba(255,255,255,.2);
  --card-bg:rgba(255,255,255,.03); --card-border:rgba(255,255,255,.06);
  --gradient-gold:linear-gradient(135deg,#fff,#bcd0ff);
  --transition:.35s cubic-bezier(.22,1,.36,1); --radius:14px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;background:var(--black)}
html.lenis,html.lenis body{height:auto}
body{
  font-family:var(--font-body);
  background:var(--black);
  color:var(--white);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(13,81,140,.6);color:#fff}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:#020208}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#1b2a52,#0d518c);border-radius:8px;border:2px solid #020208}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ---------- global canvases ---------- */
#starfield{
  position:fixed;inset:0;width:100vw;height:100vh;z-index:0;
  pointer-events:none;background:transparent;
}
#scrollProgress{
  position:fixed;top:0;left:0;height:2px;width:0%;
  background:linear-gradient(90deg,#fff,var(--steel),var(--navy));
  box-shadow:0 0 12px rgba(120,150,255,.7);
  z-index:2000;
}

/* ---------- typography ---------- */
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;font-weight:700;letter-spacing:.04em;color:var(--white)}
.mono{font-family:var(--font-mono)}
.label{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-mono);font-size:.68rem;font-weight:500;
  letter-spacing:.32em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--border);padding:.5rem 1.1rem;border-radius:100px;
  background:rgba(255,255,255,.03);backdrop-filter:blur(10px);
}
.label::before{content:'';width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:0 0 10px #fff;display:inline-block}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 1.5rem;position:relative;z-index:2}
.section{padding:7rem 0;position:relative;z-index:2}
.section-sm{padding:4rem 0;position:relative;z-index:2}
.section-header{text-align:center;margin-bottom:3.5rem;max-width:720px;margin-left:auto;margin-right:auto}
.section-header h2{
  font-size:clamp(1.9rem,4.5vw,3rem);margin:1.2rem 0 1rem;
  text-shadow:0 0 24px rgba(255,255,255,.12),0 0 60px rgba(92,103,149,.4);
}
.section-header p{color:var(--muted);font-size:.95rem}
.divider{width:64px;height:1px;background:linear-gradient(90deg,transparent,#fff,transparent);margin:1.6rem auto 0;box-shadow:0 0 12px rgba(255,255,255,.5)}

/* ---------- NAVBAR (NSSC exact) ---------- */
.nav-placeholder{height:76px}
.nssc-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  animation:navEntrance .9s var(--ease) both;
}
@keyframes navEntrance{from{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}
.nav-shell{
  max-width:1280px;margin:14px auto 0;padding:0 1.2rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.brand-outer{background:rgba(5,5,16,.55);border:1px solid var(--border);border-radius:100px;padding:.45rem 1.1rem .45rem .55rem;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);display:flex;align-items:center;transition:border-color .3s}
.brand-outer:hover{border-color:rgba(255,255,255,.22)}
.brand-link{display:flex;align-items:center;gap:.7rem}
.brand-link img{width:38px;height:38px;object-fit:contain;border-radius:50%;background:#0a0f24;border:1px solid rgba(255,255,255,.15)}
.brand-text{line-height:1.15}
.brand-text .org{font-family:var(--font-display);font-size:.82rem;font-weight:700;letter-spacing:.14em;color:#fff;white-space:nowrap}
.brand-text .inst{font-family:var(--font-mono);font-size:.58rem;letter-spacing:.3em;color:var(--muted)}
.nav-panel-outer{flex:1;display:flex;justify-content:center}
.nav-panel-inner{
  display:flex;align-items:center;gap:.2rem;
  background:rgba(8,8,20,.6);border:1px solid var(--border);
  border-radius:100px;padding:.35rem .5rem;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:0 8px 32px rgba(0,0,0,.5);
}
.nav-item a{
  font-family:var(--font-body);font-size:.72rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
  padding:.6rem 1.05rem;border-radius:100px;transition:all .3s;display:block;white-space:nowrap;
}
.nav-item a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-item a.active{color:#fff;background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.register-outer{
  background:#f2f4ff;color:#050510;border-radius:100px;
  border:1px solid rgba(255,255,255,.9);
  transition:all .3s var(--ease);flex-shrink:0;
}
.register-outer:hover{transform:translateY(-1px);box-shadow:0 0 24px rgba(255,255,255,.35);background:#fff}
.register-inner{display:flex;align-items:center;gap:.5rem;padding:.7rem 1.35rem;font-size:.72rem;font-weight:700;letter-spacing:.16em}
.register-inner svg{width:14px;height:14px}
/* public login link (admin access — site stays fully usable without login) */
.login-link{
  font-family:var(--font-body);font-size:.68rem;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--faint);padding:.6rem .4rem;transition:.3s;flex-shrink:0;
}
.login-link:hover{color:#fff}
.login-link.is-admin{color:#22d3ee}
.hamburger-outer{display:none}
.hamburger-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:rgba(8,8,20,.6);backdrop-filter:blur(16px);display:flex;align-items:center;justify-content:center}
.hamburger-icon{display:flex;flex-direction:column;gap:5px}
.hamburger-icon span{width:18px;height:1.5px;background:#fff;display:block;transition:.35s var(--ease)}
.hamburger-btn.open .hamburger-icon span:nth-child(1){transform:rotate(45deg) translate(4px,5px)}
.hamburger-btn.open .hamburger-icon span:nth-child(2){opacity:0}
.hamburger-btn.open .hamburger-icon span:nth-child(3){transform:rotate(-45deg) translate(4px,-5px)}
.mobile-backdrop{position:fixed;inset:0;background:rgba(2,2,8,.7);backdrop-filter:blur(6px);opacity:0;pointer-events:none;transition:.4s;z-index:998}
.mobile-backdrop.show{opacity:1;pointer-events:auto}
.mobile-menu{position:fixed;top:76px;left:12px;right:12px;z-index:999;background:rgba(6,6,16,.96);border:1px solid var(--border);border-radius:20px;padding:1rem;backdrop-filter:blur(24px);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.45s var(--ease)}
.mobile-menu.show{transform:translateY(0);opacity:1;pointer-events:auto}
.mobile-menu a.mlink{display:block;padding:.95rem 1.2rem;border-radius:12px;font-family:var(--font-display);font-size:1rem;letter-spacing:.1em;color:var(--off);transition:.25s}
.mobile-menu a.mlink:hover,.mobile-menu a.mlink.active{background:rgba(255,255,255,.07);color:#fff}
.mobile-menu a.mreg{background:#fff;color:#000;text-align:center;font-weight:700;margin-top:.5rem;border-radius:12px}
/* legacy aliases */
.navbar,.nav-container,.nav-links,.nav-logo,.nav-cta,.nav-register,.hamburger,.mobile-nav{display:none !important}

/* ---------- HERO (ParticleHero exact) ---------- */
.hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;background:#000;z-index:1;
}
.hero-black-bg{position:absolute;inset:0;background:#000;z-index:0}
.tornado-wrap{position:absolute;inset:0;z-index:1;pointer-events:none}
.tornado-wrap canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.navy-atmosphere{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:
    radial-gradient(ellipse 90% 45% at 50% 108%,rgba(13,81,140,.55) 0%,rgba(13,81,140,.18) 40%,transparent 70%),
    radial-gradient(ellipse 60% 30% at 50% 105%,rgba(92,103,149,.35) 0%,transparent 70%),
    linear-gradient(180deg,transparent 55%,rgba(4,8,24,.6) 100%);
}
.planet-horizon{
  position:absolute;left:-10%;right:-10%;bottom:16%;height:2px;z-index:3;pointer-events:none;
  background:linear-gradient(90deg,transparent 5%,rgba(140,170,255,.0) 10%,rgba(160,190,255,.7) 30%,#dfe8ff 50%,rgba(160,190,255,.7) 70%,rgba(140,170,255,0) 90%,transparent 95%);
  filter:blur(.4px);box-shadow:0 0 24px 2px rgba(120,160,255,.45),0 0 80px 8px rgba(13,81,140,.5);
}
.planet-horizon::after{
  content:'';position:absolute;left:0;right:0;top:2px;height:120px;
  background:radial-gradient(ellipse 55% 100% at 50% 0%,rgba(90,130,255,.22),rgba(13,81,140,.12) 50%,transparent 75%);
  filter:blur(10px);
}
.volumetric-beam{
  position:absolute;left:50%;top:-5%;bottom:10%;width:min(46vw,560px);transform:translateX(-50%);
  z-index:2;pointer-events:none;
  background:linear-gradient(180deg,transparent 0%,rgba(150,175,255,.06) 30%,rgba(150,175,255,.14) 62%,rgba(190,210,255,.22) 82%,rgba(220,232,255,.3) 100%);
  clip-path:polygon(42% 0,58% 0,78% 100%,22% 100%);
  filter:blur(14px);
}
.vignette{position:absolute;inset:0;z-index:4;pointer-events:none;background:radial-gradient(ellipse 75% 70% at 50% 42%,transparent 55%,rgba(0,0,0,.55) 100%)}
.hero-content{position:relative;z-index:5;text-align:center;padding:8rem 1.5rem 6rem;max-width:1000px;will-change:transform,opacity}
.hero-eyebrow{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.42em;text-transform:uppercase;color:var(--muted);margin-bottom:1.4rem}
.hero-eyebrow b{color:#fff;font-weight:500}
.hero-title{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(2.4rem,8vw,6.2rem);
  letter-spacing:.28em;text-indent:.28em;
  color:#fff;line-height:1.08;
  text-shadow:0 0 20px rgba(255,255,255,.15),0 0 55px rgba(92,103,149,.65),0 0 110px rgba(13,81,140,.7);
}
.hero-sub{
  margin:1.6rem auto 0;max-width:620px;color:var(--off);font-size:clamp(.9rem,1.6vw,1.05rem);font-weight:400;letter-spacing:.02em;
}
.hero-taglines{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}
.hero-tag{
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--border);border-radius:100px;padding:.55rem 1.15rem;background:rgba(255,255,255,.03);backdrop-filter:blur(8px);
}
.hero-actions{display:flex;gap:.9rem;justify-content:center;margin-top:2.6rem;flex-wrap:wrap}
.scroll-hint{
  position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:6;
  display:flex;flex-direction:column;align-items:center;gap:.55rem;
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.34em;text-transform:uppercase;color:var(--faint);
  transition:opacity .4s;
}
.scroll-hint .line{width:1px;height:44px;background:linear-gradient(180deg,#fff,transparent);position:relative;overflow:hidden}
.scroll-hint .line::after{content:'';position:absolute;top:-40%;left:0;width:100%;height:40%;background:#fff;animation:drop 1.8s var(--ease) infinite}
@keyframes drop{to{top:110%}}
@keyframes scrambleSmokyReveal{
  0%{opacity:0;filter:blur(28px) brightness(2);text-shadow:0 0 60px rgba(255,255,255,.9),0 0 120px rgba(92,103,149,1),0 0 200px rgba(13,81,140,.9);letter-spacing:.55em}
  30%{opacity:.6;filter:blur(14px) brightness(1.6);text-shadow:0 0 40px rgba(255,255,255,.6),0 0 80px rgba(92,103,149,.8),0 0 140px rgba(13,81,140,.7);letter-spacing:.40em}
  70%{opacity:.9;filter:blur(5px) brightness(1.2);text-shadow:0 0 20px rgba(255,255,255,.3),0 0 50px rgba(92,103,149,.5),0 0 100px rgba(13,81,140,.5);letter-spacing:.32em}
  100%{opacity:1;filter:blur(0) brightness(1);text-shadow:0 0 20px rgba(255,255,255,.15),0 0 55px rgba(92,103,149,.65),0 0 110px rgba(13,81,140,.7);letter-spacing:.28em}
}
.scramble-smoky-reveal{animation:scrambleSmokyReveal 1.4s cubic-bezier(.22,1,.36,1) both}
.scramble-fast{animation-duration:.9s}

/* page hero (inner pages) */
.page-hero{position:relative;padding:11rem 0 5rem;text-align:center;overflow:hidden;background:#000;z-index:1}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 50% 110%,rgba(13,81,140,.5),transparent 70%);pointer-events:none}
.page-hero h1{font-size:clamp(2rem,6vw,4rem);letter-spacing:.14em;text-indent:.14em;margin:1.2rem 0 .8rem;text-shadow:var(--glow-w)}
.page-hero p{color:var(--muted);max-width:600px;margin:0 auto}
.breadcrumb{display:flex;gap:.6rem;justify-content:center;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--faint);margin-bottom:1rem}
.breadcrumb a{color:var(--muted)}.breadcrumb a:hover{color:#fff}
.page-wrapper{position:relative;z-index:2}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.7rem;padding:.95rem 2rem;border-radius:100px;font-size:.74rem;font-weight:700;font-family:var(--font-body);letter-spacing:.16em;text-transform:uppercase;transition:.35s var(--ease);white-space:nowrap;border:1px solid transparent;cursor:pointer;position:relative;overflow:hidden}
.btn-primary{background:#f2f4ff;color:#050510;border-color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(255,255,255,.35);background:#fff}
.btn-outline{border:1px solid rgba(255,255,255,.25);color:#fff;background:rgba(255,255,255,.04);backdrop-filter:blur(8px)}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);transform:translateY(-2px)}
.btn-ghost{color:var(--muted);border:1px solid var(--border)}
.btn-ghost:hover{color:#fff;border-color:rgba(255,255,255,.3)}
.btn-sm{padding:.55rem 1.25rem;font-size:.66rem}
.btn-lg{padding:1.1rem 2.6rem;font-size:.82rem}
.btn-block{width:100%;justify-content:center}

/* ---------- scroll orchestrator blocks ---------- */
.orbit-section{position:relative;z-index:2;padding:6rem 0}
.orbit-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.orbit-visual{position:sticky;top:110px;display:flex;flex-direction:column;align-items:center;gap:1.4rem;padding:3rem 2rem;border:1px solid var(--border);border-radius:24px;background:rgba(255,255,255,.025);backdrop-filter:blur(18px);overflow:hidden;min-height:480px;justify-content:center}
.orbit-visual::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 60%,rgba(13,81,140,.35),transparent 65%);pointer-events:none}
.orbit-logo{width:190px;height:190px;object-fit:contain;border-radius:50%;position:relative;z-index:1;background:radial-gradient(circle,rgba(255,255,255,.08),transparent 70%);padding:1.2rem;filter:drop-shadow(0 0 30px rgba(140,170,255,.4))}
.orbit-rings{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.orbit-rings span{position:absolute;border:1px solid rgba(255,255,255,.08);border-radius:50%;animation:spin 24s linear infinite}
.orbit-rings span:nth-child(1){width:280px;height:280px}
.orbit-rings span:nth-child(2){width:380px;height:380px;animation-duration:38s;animation-direction:reverse;border-color:rgba(13,81,140,.4)}
.orbit-rings span:nth-child(3){width:480px;height:480px;animation-duration:55s}
@keyframes spin{to{transform:rotate(360deg)}}
.orbit-kicker{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.4em;text-transform:uppercase;color:var(--muted);position:relative;z-index:1}
.orbit-name{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);letter-spacing:.18em;position:relative;z-index:1;text-shadow:var(--glow-w)}
.orbit-steps{display:flex;flex-direction:column;gap:2rem}
.step-card{
  border:1px solid var(--border-soft);border-radius:20px;padding:2.2rem;
  background:rgba(255,255,255,.025);backdrop-filter:blur(14px);
  opacity:0;transform:translateY(60px);filter:blur(12px);
  transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease),border-color .4s;
}
.step-card.in-view{opacity:1;transform:translateY(0);filter:blur(0)}
.step-card:hover{border-color:rgba(255,255,255,.2)}
.step-card .k{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.32em;text-transform:uppercase;color:var(--faint);margin-bottom:.8rem;display:block}
.step-card h3{font-size:1.5rem;margin-bottom:.8rem;letter-spacing:.04em}
.step-card p{color:var(--muted);font-size:.92rem}

/* ---------- stats ---------- */
.stats-band{border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);background:rgba(255,255,255,.015);backdrop-filter:blur(10px);position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border-soft)}
.stat-cell{background:#030309;padding:3rem 1.5rem;text-align:center;transition:background .4s}
.stat-cell:hover{background:#070714}
.stat-num{font-family:var(--font-display);font-size:clamp(2rem,4vw,3.1rem);font-weight:700;letter-spacing:.04em;text-shadow:0 0 30px rgba(140,170,255,.35)}
.stat-num em{font-style:normal;color:var(--steel)}
.stat-lbl{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.28em;text-transform:uppercase;color:var(--muted);margin-top:.6rem}

/* ---------- timeline (scroll-to-travel) ---------- */
.tl-pin{
  position:relative;
  height:auto;
  min-height:100vh;
  z-index:2;
}
.tl-sticky{
  position:relative;
  top:auto;
  height:auto;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  overflow:visible;
  background:linear-gradient(
    180deg,
    transparent,
    rgba(6,10,28,.7) 30%,
    rgba(6,10,28,.7) 70%,
    transparent
  );
}
.tl-head{text-align:center;margin-bottom:2.5rem}
.tl-head h2{font-size:clamp(1.8rem,4vw,2.8rem);letter-spacing:.16em;text-indent:.16em;text-shadow:var(--glow-w)}
.tl-head p{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.34em;text-transform:uppercase;color:var(--faint);margin-top:.8rem}
.tl-track{
  display:flex;
  gap:1.4rem;
  padding:0 8vw;
  width:100%;
  max-width:900px;
  margin:0 auto;
  will-change:auto;
}
.tl-card{
  width:min(380px,82vw);flex-shrink:0;border:1px solid var(--border);border-radius:20px;
  background:rgba(255,255,255,.035);backdrop-filter:blur(16px);padding:2.2rem;position:relative;overflow:hidden;
  transition:border-color .35s,transform .35s;
}
.tl-card:hover{border-color:rgba(255,255,255,.28);transform:translateY(-6px)}
.tl-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent)}
.tl-num{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.3em;color:var(--faint)}
.tl-card h3{font-size:1.35rem;margin:.9rem 0 .6rem}
.tl-date{display:inline-block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.2em;border:1px solid var(--border);border-radius:100px;padding:.4rem .95rem;color:var(--off);background:rgba(255,255,255,.04);margin-top:1rem}
.tl-progress{height:1px;background:rgba(255,255,255,.1);margin:2.8rem 8vw 0;position:relative;border-radius:2px}
.tl-progress span{position:absolute;left:0;top:0;bottom:0;width:0%;background:#fff;box-shadow:0 0 12px #fff;border-radius:2px}
.tl-hint{text-align:center;margin-top:1.2rem;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:var(--faint)}

/* ---------- cards (legacy compat, NSSC skin) ---------- */
.grid{display:grid;gap:1.25rem}
.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.card,.feature-card,.event-card,.activity-card,.team-card,.achievement-card,.report-card{
  background:rgba(255,255,255,.03);border:1px solid var(--border-soft);border-radius:18px;
  transition:border-color .35s,transform .35s var(--ease),box-shadow .35s;
  position:relative;overflow:hidden;backdrop-filter:blur(14px);
}
.card:hover,.feature-card:hover,.event-card:hover,.activity-card:hover,.team-card:hover,.achievement-card:hover,.report-card:hover{border-color:rgba(255,255,255,.22);transform:translateY(-5px);box-shadow:0 20px 60px rgba(0,0,0,.55),0 0 40px rgba(13,81,140,.25)}
.card-body{padding:1.6rem}.card-footer{padding:1rem 1.6rem;border-top:1px solid var(--border-soft)}
.feature-card{padding:2rem}
.feature-card h3{margin-bottom:.7rem;font-size:1.15rem}
.feature-card p,.card p{color:var(--muted);font-size:.9rem}
.badge{display:inline-flex;align-items:center;gap:.35rem;font-size:.64rem;font-family:var(--font-mono);font-weight:500;padding:.35rem .85rem;border-radius:100px;text-transform:uppercase;letter-spacing:.14em;border:1px solid var(--border)}
.badge-accent{background:rgba(13,81,140,.25);color:#bcd6ff;border-color:rgba(120,160,255,.35)}
.badge-gold{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.2)}
.badge-success{background:rgba(52,211,153,.1);color:#6ee7b7;border-color:rgba(52,211,153,.3)}
.badge-warning{background:rgba(251,191,36,.1);color:#fcd34d;border-color:rgba(251,191,36,.3)}
.badge-danger{background:rgba(239,68,68,.1);color:#fca5a5;border-color:rgba(239,68,68,.3)}
.badge-gray{background:rgba(255,255,255,.05);color:var(--muted)}

/* events */
.event-card-img{height:190px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 120%,rgba(13,81,140,.5),rgba(4,6,18,.9) 70%);border-bottom:1px solid var(--border-soft);font-size:3rem;position:relative;overflow:hidden}
.event-card-body{padding:1.5rem}
.event-category{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.28em;text-transform:uppercase;color:var(--muted);margin-bottom:.6rem}
.event-card-body h3{font-size:1.15rem;margin-bottom:.7rem}
.event-meta{display:flex;flex-direction:column;gap:.3rem;margin:.9rem 0;font-size:.8rem;color:var(--muted)}
.event-card-actions{display:flex;gap:.7rem;padding:0 1.5rem 1.5rem}
.filter-tabs{display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap;margin-bottom:2.5rem}
.filter-tab{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);border:1px solid var(--border);border-radius:100px;padding:.6rem 1.3rem;transition:.3s;background:rgba(255,255,255,.02)}
.filter-tab:hover{color:#fff;border-color:rgba(255,255,255,.3)}
.filter-tab.active{background:#fff;color:#000;border-color:#fff}
.search-box{display:flex;justify-content:center;margin-bottom:2rem}
.search-box input{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:100px;padding:.8rem 1.5rem;color:#fff;width:min(440px,90vw);font-family:var(--font-body);font-size:.85rem;outline:none}
.search-box input:focus{border-color:rgba(255,255,255,.4)}
.search-box input::placeholder{color:var(--faint)}

/* reveal */
.reveal{opacity:0;transform:translateY(48px);filter:blur(10px);transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease)}
.reveal.visible{opacity:1;transform:none;filter:blur(0)}
.reveal-d1{transition-delay:.1s}.reveal-d2{transition-delay:.2s}.reveal-d3{transition-delay:.3s}

/* two-col */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.img-frame{border:1px solid var(--border);border-radius:22px;overflow:hidden;background:rgba(255,255,255,.02);backdrop-filter:blur(12px);min-height:320px;display:flex;align-items:center;justify-content:center;position:relative}
.img-frame::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(13,81,140,.3),transparent 70%);pointer-events:none}
.img-frame img{position:relative;z-index:1}

/* forms */
.form-card{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:20px;padding:2.5rem;backdrop-filter:blur(16px);max-width:640px;margin:0 auto}
.form-group{margin-bottom:1.2rem}
.form-group label{display:block;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.form-group input,.form-group select,.form-group textarea{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:12px;padding:.85rem 1.1rem;color:#fff;font-size:.9rem;outline:none;transition:.3s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:rgba(255,255,255,.4);box-shadow:0 0 0 3px rgba(255,255,255,.06)}
.form-group select option{background:#0a0a18}
.form-error{color:#fca5a5;font-size:.75rem;margin-top:.3rem;display:block;min-height:1rem}
input.error,select.error,textarea.error{border-color:rgba(239,68,68,.6)}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem}
.gallery-item{height:200px;border-radius:16px;overflow:hidden;cursor:pointer;position:relative;border:1px solid var(--border-soft);transition:.35s var(--ease);background:rgba(255,255,255,.02)}
.gallery-item:hover{border-color:rgba(255,255,255,.3);transform:scale(1.02)}
.gallery-item-inner{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.6rem}
.gallery-icon{font-size:2.4rem}
.gallery-label{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
#lightbox{position:fixed;inset:0;background:rgba(2,2,8,.92);backdrop-filter:blur(12px);z-index:3000;display:none;align-items:center;justify-content:center;padding:2rem}
#lightbox.open{display:flex}
#lightbox img{max-width:min(900px,92vw);max-height:80vh;border-radius:16px;border:1px solid var(--border)}

/* team */
.avatar{width:76px;height:76px;border-radius:50%;background:radial-gradient(circle,rgba(13,81,140,.6),rgba(5,5,16,.9));border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-family:var(--font-display);font-weight:700;color:#fff;flex-shrink:0}
.team-card{text-align:center;padding:2rem 1.25rem}
.team-card h4{margin:.9rem 0 .25rem;font-size:.95rem}
.team-card .role{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--off)}
.team-card .dept{font-size:.75rem;color:var(--faint);margin-top:.25rem}

/* footer CTA (See You In Events) */
.finale{position:relative;text-align:center;padding:9rem 1.5rem 7rem;overflow:hidden;z-index:2;background:linear-gradient(180deg,transparent,rgba(6,10,28,.8))}
.finale::before{content:'';position:absolute;left:50%;bottom:-40%;width:120vw;height:60vh;transform:translateX(-50%);background:radial-gradient(ellipse 50% 60% at 50% 100%,rgba(13,81,140,.5),transparent 70%);pointer-events:none}
.finale .k{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.4em;text-transform:uppercase;color:var(--muted)}
.finale h2{font-size:clamp(2.6rem,9vw,7rem);letter-spacing:.1em;text-indent:.1em;margin:1rem 0;text-shadow:var(--glow-w)}
.finale p{color:var(--muted);margin-bottom:2.2rem}

/* footer */
.footer{border-top:1px solid var(--border-soft);background:rgba(2,2,8,.85);backdrop-filter:blur(16px);position:relative;z-index:2;padding:4rem 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:3rem}
.footer h4{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;color:var(--faint);margin-bottom:1.2rem}
.footer a,.footer p{font-size:.85rem;color:var(--muted)}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid var(--border-soft);padding:1.4rem 0;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.75rem;color:var(--faint)}
.social-row{display:flex;gap:.6rem;margin-top:1rem}
.social-link{width:38px;height:38px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;transition:.3s;font-size:.9rem}
.social-link:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}

/* toast */
.toast-container{position:fixed;bottom:1.5rem;right:1.5rem;z-index:4000;display:flex;flex-direction:column;gap:.7rem}
.toast{display:flex;align-items:center;gap:.7rem;background:rgba(8,8,20,.95);border:1px solid var(--border);border-radius:14px;padding:.9rem 1.2rem;font-size:.85rem;backdrop-filter:blur(14px);box-shadow:0 12px 40px rgba(0,0,0,.6);animation:toastIn .4s var(--ease)}
.toast.success{border-color:rgba(52,211,153,.4)}.toast.error{border-color:rgba(239,68,68,.4)}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}}

/* event detail */
.event-detail-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:2.5rem;align-items:start}
.event-detail-img{min-height:280px;border-radius:20px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:4rem;background:radial-gradient(circle at 50% 120%,rgba(13,81,140,.5),#04040e 70%);margin-bottom:1.5rem;overflow:hidden}
.event-info-sidebar{position:sticky;top:110px;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:20px;padding:2rem;backdrop-filter:blur(16px)}
.event-info-row{display:flex;gap:.9rem;padding:.8rem 0;border-bottom:1px solid var(--border-soft);font-size:.85rem}
.info-label{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:var(--faint)}
.info-value{color:#fff}
.content-section{background:rgba(255,255,255,.02);border:1px solid var(--border-soft);border-radius:16px;padding:1.6rem;margin-bottom:1.2rem}
.content-section h3{margin-bottom:.8rem;font-size:1.05rem}
.content-section p,.content-section li{color:var(--muted);font-size:.88rem}
.content-section ul{padding-left:1.1rem;list-style:disc;display:flex;flex-direction:column;gap:.4rem}
.divider-line{height:1px;background:var(--border-soft);margin:1.4rem 0}
.text-center{text-align:center}.text-muted{color:var(--muted)}.hidden{display:none !important}
.d-flex{display:flex}.gap-2{gap:.7rem}.mb-2{margin-bottom:.8rem}.mb-3{margin-bottom:1.2rem}.mt-3{margin-top:1.2rem}

/* responsive */
@media(max-width:1020px){
  .nav-panel-outer{display:none}.hamburger-outer{display:block}
  .orbit-grid,.two-col,.event-detail-grid{grid-template-columns:1fr}
  .orbit-visual{position:relative;top:0;min-height:380px}
  .grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:360px){
  .section{padding:4.5rem 0}
  .grid-2,.grid-3,.grid-4,.gallery-grid{grid-template-columns:1fr 1fr}
  .gallery-item{height:130px}
  .register-outer .register-inner{padding:.6rem 1rem}
  .brand-text .org{font-size:.7rem}
  .tl-card{width:82vw}
  .footer-grid{grid-template-columns:1fr}
  .hero-title{letter-spacing:.16em;text-indent:.16em}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* =====================================================
   HOME · about + activities cards
   ===================================================== */
.about-icon{
  width:56px;height:56px;border-radius:14px;margin-bottom:1.25rem;
  display:flex;align-items:center;justify-content:center;font-size:1.6rem;
  background:linear-gradient(135deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
  border:1px solid var(--border);
}
.activities-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.activity-card{padding:2.4rem 1.6rem;position:relative;overflow:hidden;display:block}
.activity-card::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,#fff,var(--steel),var(--navy));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.activity-card:hover::after{transform:scaleX(1)}
.act-num{
  position:absolute;top:.8rem;right:1.2rem;
  font-family:var(--font-display);font-size:3.2rem;font-weight:700;line-height:1;
  color:rgba(255,255,255,.06);pointer-events:none;
}
.activity-icon-wrap{
  width:62px;height:62px;border-radius:16px;margin:0 auto 1.2rem;
  display:flex;align-items:center;justify-content:center;font-size:1.7rem;
  background:linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  border:1px solid var(--border);transition:.35s var(--ease);
}
.activity-card:hover .activity-icon-wrap{box-shadow:0 0 22px rgba(255,255,255,.18);transform:translateY(-3px)}
.activity-card h3{margin-bottom:.6rem;font-size:1.1rem;text-align:center}
.activity-card p{text-align:center}
.view-link{
  display:flex;align-items:center;justify-content:center;gap:.4rem;margin-top:1.1rem;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);
}
.activity-card:hover .view-link{color:#fff}
@media(max-width:900px){.activities-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.activities-grid{grid-template-columns:1fr}}

/* =====================================================
   SYMPOSIUM corner popup
   ===================================================== */
.sym-popup{
  position:fixed;right:1.2rem;bottom:1.2rem;z-index:2500;width:min(320px,calc(100vw - 2.4rem));
  border-radius:18px;overflow:hidden;text-decoration:none;
  background:linear-gradient(135deg,rgba(14,10,4,.97),rgba(30,16,4,.97));
  border:1px solid rgba(255,140,40,.45);
  box-shadow:0 18px 60px rgba(0,0,0,.65),0 0 34px rgba(255,110,0,.22);
  transform:translateY(24px) scale(.96);opacity:0;pointer-events:none;
  transition:transform .55s var(--ease),opacity .55s var(--ease);
}
.sym-popup.show{transform:none;opacity:1;pointer-events:auto}
.sym-popup:hover{border-color:rgba(255,170,60,.8)}
.sym-popup-top{position:relative;padding:1.1rem 1.2rem .9rem;overflow:hidden}
.sym-popup-top::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 85% 15%,rgba(255,140,0,.35),transparent 60%),radial-gradient(circle at 10% 90%,rgba(255,60,0,.2),transparent 55%);
  pointer-events:none;
}
.sym-popup-kicker{position:relative;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.3em;color:#ffb35c;text-transform:uppercase}
.sym-popup-title{position:relative;font-family:var(--font-display);font-size:1.45rem;font-weight:700;letter-spacing:.08em;color:#fff;margin:.3rem 0 .15rem;text-shadow:0 0 22px rgba(255,120,0,.55)}
.sym-popup-sub{position:relative;font-size:.78rem;color:#d8b48f}
.sym-popup-cta{
  position:relative;display:flex;align-items:center;justify-content:center;gap:.5rem;
  margin:0 1.2rem 1.15rem;padding:.7rem;border-radius:12px;
  background:linear-gradient(135deg,#ff6a00,#ffaa33);color:#1a0d02;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
}
.sym-popup-close{
  position:absolute;top:.55rem;right:.55rem;z-index:2;width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(255,255,255,.25);color:#fff;font-size:.8rem;line-height:1;
  display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.45);transition:.25s;
}
.sym-popup-close:hover{background:rgba(255,255,255,.15);transform:rotate(90deg)}
@media(max-width:560px){.sym-popup{right:.8rem;bottom:.8rem}}

/* =====================================================
   SYMPOSIUM explosive intro reveal
   ===================================================== */
.sym-intro{position:fixed;inset:0;z-index:5000;display:flex;align-items:center;justify-content:center;background:#030100;transition:opacity .7s var(--ease),visibility .7s;cursor:pointer;overflow:hidden}
.sym-intro.done{opacity:0;visibility:hidden;pointer-events:none}
.sym-intro canvas{position:absolute;inset:0;width:100%;height:100%}
.sym-intro-flash{position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(255,180,80,.9),rgba(255,90,0,.45) 35%,transparent 70%);opacity:0;pointer-events:none}
.sym-intro.go .sym-intro-flash{animation:symFlash .9s var(--ease) both}
@keyframes symFlash{0%{opacity:0;transform:scale(.4)}25%{opacity:1}100%{opacity:0;transform:scale(1.6)}}
.sym-intro-core{position:relative;text-align:center;z-index:2}
.sym-intro-kicker{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.5em;text-indent:.5em;color:#ffb35c;text-transform:uppercase;opacity:0}
.sym-intro-title{font-family:var(--font-display);font-weight:700;font-size:clamp(2.6rem,10vw,6.5rem);letter-spacing:.1em;text-indent:.1em;color:#fff;margin:.6rem 0;text-shadow:0 0 30px rgba(255,140,0,.8),0 0 90px rgba(255,60,0,.6);opacity:0}
.sym-intro-sub{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.34em;text-indent:.34em;color:#d8b48f;text-transform:uppercase;opacity:0}
.sym-intro.go .sym-intro-kicker{animation:symRise .7s .9s var(--ease) both}
.sym-intro.go .sym-intro-title{animation:symBlast .8s 1.1s var(--ease) both}
.sym-intro.go .sym-intro-sub{animation:symRise .7s 1.5s var(--ease) both}
@keyframes symRise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes symBlast{0%{opacity:0;transform:scale(2.4);filter:blur(18px)}60%{opacity:1;transform:scale(.96);filter:blur(0)}100%{opacity:1;transform:scale(1)}}
.sym-intro.go{animation:symShake .5s .3s linear}
@keyframes symShake{0%,100%{transform:translate(0,0)}20%{transform:translate(-7px,3px)}40%{transform:translate(6px,-4px)}60%{transform:translate(-4px,-3px)}80%{transform:translate(4px,3px)}}
.sym-intro-skip{position:absolute;bottom:1.4rem;left:50%;transform:translateX(-50%);font-family:var(--font-mono);font-size:.62rem;letter-spacing:.3em;color:rgba(255,255,255,.45);text-transform:uppercase;z-index:2}

/* =====================================================
   SYMPOSIUM event detail view
   ===================================================== */
.opp-card{cursor:pointer}
.opp-card-more{margin-top:.7rem;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;color:#ffb35c}
.opp-card:hover .opp-card-more{color:#ffd9a8}
.sym-detail-card{border:1px solid rgba(255,140,40,.35);border-radius:20px;overflow:hidden;background:linear-gradient(180deg,rgba(24,12,4,.92),rgba(8,4,2,.96));box-shadow:0 24px 70px rgba(0,0,0,.6),0 0 50px rgba(255,110,0,.12);margin-bottom:2.5rem}
.sym-detail-banner{height:min(320px,44vw);background-size:cover;background-position:center;position:relative}
.sym-detail-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(8,4,2,.92))}
.sym-detail-body{padding:2rem clamp(1.2rem,4vw,2.6rem) 2.4rem;position:relative;margin-top:-3rem}
.sym-detail-tags{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:1rem}
.sym-detail-chip{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:#ffd9a8;border:1px solid rgba(255,170,60,.5);border-radius:100px;padding:.4rem .95rem;background:rgba(255,120,0,.1)}
.sym-detail-chip-dim{color:rgba(255,255,255,.6);border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.04)}
.sym-detail-title{font-size:clamp(1.6rem,4.5vw,2.6rem);letter-spacing:.06em;color:#fff;text-shadow:0 0 26px rgba(255,120,0,.5);margin-bottom:.9rem}
.sym-detail-desc{color:#d8c3ac;font-size:.95rem;max-width:70ch}
.sym-detail-cols{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin:1.8rem 0 2rem}
.sym-detail-block{border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:1.3rem 1.4rem;background:rgba(255,255,255,.025)}
.sym-detail-block h3{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;color:#ffb35c;margin-bottom:.9rem}
.sym-detail-block ul{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.sym-detail-block li{font-size:.86rem;color:#cfc0ae;padding-left:1.2rem;position:relative}
.sym-detail-block li::before{content:'▸';position:absolute;left:0;color:#ff8a2a}
.sym-detail-register{display:inline-flex}
@media(max-width:760px){.sym-detail-cols{grid-template-columns:1fr}}

/* =====================================================
   ABOUT stacked scroll — current zooms away,
   next reveals from behind over giant drifting words
   ===================================================== */
#aboutStack{position:relative;z-index:2}
.stk-panel{
  position:sticky;top:0;height:100vh;height:100svh;overflow:visible;
  background:#020208;display:flex;align-items:center;justify-content:center;
  will-change:transform,opacity,filter;
}
.stk-tint-b{background:radial-gradient(ellipse 70% 55% at 18% 12%,rgba(13,81,140,.20),transparent 65%),rgba(2,2,8,.55)}
.stk-tint-c{background:radial-gradient(ellipse 70% 55% at 82% 12%,rgba(92,103,149,.20),transparent 65%),rgba(2,2,8,.55)}
.stk-inner{position:relative;z-index:2;width:100%;max-width:560px;padding:0 1.5rem;will-change:transform,opacity}
.stk-words{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;justify-content:center;gap:.4rem;overflow:hidden;pointer-events:none;white-space:nowrap;padding:0 4vw}
.stk-words span{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(2.6rem,10vw,7.5rem);line-height:1.04;letter-spacing:.01em;
  color:rgba(255,255,255,.15);will-change:transform;
}
.stk-words span.fill{color:rgba(255,255,255,.07)}
/* hero */
#wormholeCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.stk-vignette{position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse 70% 62% at 50% 46%,transparent 55%,rgba(0,0,0,.6) 100%)}
.stk-hero-inner{text-align:center}
.stk-eyebrow{
  font-family:var(--font-body);font-weight:200;
  font-size:clamp(1.35rem,5vw,2.5rem);letter-spacing:.45em;text-indent:.45em;color:#e8ecf7;
  text-shadow:0 0 24px rgba(160,190,255,.35);
}
.stk-lines{margin-top:1.6rem;display:flex;flex-direction:column;gap:.3rem}
.stk-lines span{font-weight:300;font-size:clamp(1.05rem,3.4vw,1.65rem);letter-spacing:.06em;color:#c2cbe4}
.stk-scroll{margin:2.6rem auto 0;width:1px;height:40px;background:rgba(255,255,255,.14);position:relative;overflow:hidden}
.stk-scroll-dot{position:absolute;left:0;top:-40%;width:100%;height:40%;background:#cfd8f2;animation:stkDrop 1.8s var(--ease) infinite}
@keyframes stkDrop{to{top:110%}}
.stk-scroll-txt{margin-top:.9rem;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.4em;text-indent:.4em;color:var(--muted)}
/* story cards */
.stk-label{
  text-align:center;font-family:var(--font-display);font-weight:500;
  font-size:.85rem;letter-spacing:.34em;text-indent:.34em;color:#aeb8d4;margin-bottom:1.2rem;
}
.stk-cards{display:flex;flex-direction:column;gap:.85rem}
.stk-card{
  border:1px solid rgba(140,170,255,.17);border-radius:12px;
  background:rgba(9,13,28,.58);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:.95rem 1.1rem;box-shadow:0 14px 44px rgba(0,0,0,.5);
}
.stk-card .stk-ic{color:#7fb3ff;font-size:.95rem;line-height:1}
.stk-card .k{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.3em;color:#8a94b0;margin:.45rem 0 .15rem}
.stk-card h3{font-size:1.3rem;letter-spacing:.02em;margin-bottom:.4rem}
.stk-card p{font-size:.95rem;line-height:1.7;color:#98a1b8}
.stk-card-head{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:.7rem;text-align:left}
.stk-feature{display:flex;align-items:center;gap:2.2rem;padding:2rem 2.2rem}
.stk-inner:has(.stk-feature){max-width:920px}
.stk-feature-logo{position:relative;flex-shrink:0;width:200px;height:200px;display:flex;align-items:center;justify-content:center}
.stk-feature-logo::before{content:'';position:absolute;inset:-14px;border:1px solid rgba(140,170,255,.28);border-radius:50%}
.stk-feature-logo::after{content:'';position:absolute;inset:-32px;border:1px solid rgba(140,170,255,.12);border-radius:50%;pointer-events:none}
.stk-feature-logo img{width:150px;height:150px;object-fit:contain;border-radius:50%;filter:drop-shadow(0 0 30px rgba(140,170,255,.45))}
.stk-feature-text{min-width:0}
@media(max-width:640px){.stk-feature{flex-direction:column}.stk-feature-logo{width:160px;height:160px}.stk-feature-logo img{width:120px;height:120px}}
.stk-card-logo{width:64px;height:64px;object-fit:contain;border-radius:16px;flex-shrink:0;background:#0a0f24;border:1px solid rgba(255,255,255,.15);filter:drop-shadow(0 0 18px rgba(140,170,255,.35))}
/* fixed travel indicator */
.travel-hint{
  position:fixed;bottom:1.05rem;left:0;right:0;z-index:900;
  display:flex;align-items:center;justify-content:center;gap:.9rem;
  font-family:var(--font-mono);font-size:.6rem;letter-spacing:.36em;text-indent:.36em;
  color:var(--muted);pointer-events:none;transition:opacity .4s;
}
.travel-hint::after{content:'';width:44px;height:1px;background:linear-gradient(90deg,#8a94b0,transparent)}
@media(max-width:767px){
  .stk-panel{position:relative;height:auto;min-height:100svh;padding:5.5rem 0}
  .stk-words span{font-size:clamp(2rem,13vw,3.4rem)}
  .travel-hint{display:none}
}

/* =====================================================
   SYMPOSIUM Oppenheimer card system (reference look)
   ember stage + Cinzel titles + SVG motifs
   ===================================================== */
.opp-visual{
  height:200px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;
  background:
    radial-gradient(ellipse 75% 95% at 50% 112%, rgba(255,90,0,.32), transparent 65%),
    radial-gradient(ellipse 55% 60% at 50% 28%, rgba(255,150,50,.13), transparent 70%),
    radial-gradient(rgba(255,150,50,.4) 1px, transparent 1.6px),
    linear-gradient(rgba(255,120,40,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,120,40,.055) 1px, transparent 1px),
    #0a0402;
  background-size:auto,auto,34px 30px,26px 26px,26px 26px,auto;
}
.opp-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom, transparent 52%, rgba(12,3,0,.92));pointer-events:none}
.opp-visual svg{width:150px;height:104px;position:relative;z-index:1;filter:drop-shadow(0 0 12px rgba(255,120,0,.55))}
.sym-detail-banner-opp{display:flex;align-items:center;justify-content:center;min-height:240px;height:auto !important;background:radial-gradient(ellipse 70% 90% at 50% 110%, rgba(255,90,0,.4), transparent 65%),radial-gradient(ellipse 50% 60% at 50% 30%, rgba(255,150,50,.15), transparent 70%),#0a0402 !important}
.sym-detail-banner-opp svg{width:min(280px,62vw);height:auto;filter:drop-shadow(0 0 18px rgba(255,120,0,.6))}
/* symposium hero fire backdrop */
#heroArea{overflow:hidden}
.opp-hero-art{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:1}
.opp-hero-art svg{height:130%;min-width:100%;opacity:.6}
#heroArea .hero-content{position:relative;z-index:2}

/* =====================================================
   TEAM · NSSC card design (photo / name / role / socials)
   ===================================================== */
.nteam-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1.5rem;
  align-items:start;position:relative;z-index:2;
}
@media(min-width:1101px){
  .nteam-grid.nteam-stagger > *:nth-child(5n+2){transform:translateY(52px)}
  .nteam-grid.nteam-stagger > *:nth-child(5n+4){transform:translateY(52px)}
  .nteam-grid.nteam-stagger{padding-bottom:52px}
}
.nteam-card{
  position:relative;overflow:hidden;text-align:center;
  background:linear-gradient(180deg,#0c1322 0%,#070b16 100%);
  border:1px solid rgba(255,255,255,.09);border-radius:22px;
  padding:2.1rem 1.1rem 1.6rem;
  transition:transform .45s var(--ease),border-color .35s,box-shadow .45s;
}
.nteam-card:hover{
  transform:translateY(-8px) !important;
  border-color:rgba(34,211,238,.45);
  box-shadow:0 24px 60px rgba(0,0,0,.6),0 0 44px rgba(34,211,238,.14);
}
/* dotted particle matrix overlay (hover glow) */
.nteam-card::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(34,211,238,.6) 1.15px,transparent 1.7px);
  background-size:11px 11px;background-position:center;
  opacity:0;transition:opacity .5s var(--ease);
  -webkit-mask-image:radial-gradient(ellipse 90% 85% at 50% 40%,#000 30%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 85% at 50% 40%,#000 30%,transparent 78%);
}
.nteam-card:hover::before{opacity:.85}
.nteam-card::after{
  content:'';position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:radial-gradient(ellipse 70% 40% at 50% 0%,rgba(34,211,238,.12),transparent 70%);
  opacity:0;transition:opacity .5s;
}
.nteam-card:hover::after{opacity:1}
.nteam-photo{
  position:relative;z-index:1;width:112px;height:112px;border-radius:50%;
  margin:0 auto 1.15rem;overflow:hidden;flex-shrink:0;
  background:radial-gradient(circle at 35% 30%,#1b2740,#0a0f1e 70%);
  display:flex;align-items:center;justify-content:center;
}
.nteam-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.nteam-initials{font-family:var(--font-display);font-weight:700;font-size:1.9rem;letter-spacing:.06em;color:#8fa0c0}
.nteam-name{
  position:relative;z-index:1;font-family:var(--font-display);
  font-size:1.02rem;font-weight:700;letter-spacing:.02em;color:#fff;
  margin-bottom:.45rem;transition:color .3s,text-shadow .3s;
}
.nteam-card:hover .nteam-name{color:#22d3ee;text-shadow:0 0 18px rgba(34,211,238,.65)}
.nteam-role{position:relative;z-index:1;font-size:.8rem;color:#98a1b5;min-height:2.4em;display:flex;align-items:center;justify-content:center}
.nteam-socials{position:relative;z-index:1;display:flex;gap:.7rem;justify-content:center;margin-top:1.25rem}
.nteam-socials a{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  border:1px solid rgba(255,255,255,.17);color:#cfd6e4;
  display:flex;align-items:center;justify-content:center;transition:.3s var(--ease);
}
.nteam-socials a:hover{border-color:rgba(34,211,238,.7);color:#22d3ee;transform:translateY(-2px);box-shadow:0 0 16px rgba(34,211,238,.3)}
.nteam-socials svg{width:17px;height:17px}
@media(max-width:1100px){.nteam-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.nteam-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.nteam-photo{width:92px;height:92px}.nteam-name{font-size:.9rem}}
/* =========================================================
   UNIVERSAL RESPONSIVE SYSTEM
   Add this at the VERY END of your CSS
   ========================================================= */

/* ---------- GLOBAL RESPONSIVE SAFETY ---------- */

html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  min-width: 0;
}

* {
  max-width: 100%;
}

.container {
  width: 100%;
  padding-left: clamp(1rem, 4vw, 1.5rem);
  padding-right: clamp(1rem, 4vw, 1.5rem);
}

section,
header,
footer,
main,
div {
  min-width: 0;
}

img,
video,
canvas,
svg {
  max-width: 100%;
}


/* =========================================================
   LARGE DESKTOP — 1440px+
   ========================================================= */

@media (min-width: 1441px) {

  .container {
    max-width: 1280px;
  }

  .nav-shell {
    max-width: 1380px;
  }

  .hero-content {
    max-width: 1150px;
  }

}


/* =========================================================
   LAPTOP — 1021px to 1440px
   ========================================================= */

@media (min-width: 1021px) and (max-width: 1440px) {

  .nav-shell {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .nav-item a {
    padding-left: .8rem;
    padding-right: .8rem;
    font-size: .68rem;
  }

  .register-inner {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }

  .orbit-grid {
    gap: 2.5rem;
  }

  .footer-grid {
    gap: 2rem;
  }

}


/* =========================================================
   TABLET — 768px to 1020px
   ========================================================= */

@media (max-width: 1020px) {

  /* ---------- NAVBAR ---------- */

  .nav-shell {
    margin-top: 10px;
    padding-left: .8rem;
    padding-right: .8rem;
  }

  .brand-outer {
    padding: .4rem .8rem .4rem .45rem;
  }

  .brand-link {
    gap: .55rem;
  }

  .brand-link img {
    width: 34px;
    height: 34px;
  }

  .brand-text .org {
    font-size: .76rem;
  }

  .brand-text .inst {
    font-size: .52rem;
  }

  .login-link {
    display: none;
  }

  .nav-panel-outer {
    display: none;
  }

  .hamburger-outer {
    display: block;
  }


  /* ---------- MOBILE MENU ---------- */

  .mobile-menu {
    top: 68px;
    left: 10px;
    right: 10px;
    max-height: calc(100svh - 82px);
    overflow-y: auto;
  }


  /* ---------- CONTAINERS ---------- */

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }


  /* ---------- SECTIONS ---------- */

  .section {
    padding-top: 5.5rem;
    padding-bottom: 5.5rem;
  }

  .section-sm {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .section-header {
    margin-bottom: 2.8rem;
  }


  /* ---------- HERO ---------- */

  .hero-content {
    width: 100%;
    padding: 7rem 1.25rem 5rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    letter-spacing: .18em;
    text-indent: .18em;
  }

  .hero-sub {
    max-width: 650px;
  }

  .hero-actions {
    gap: .7rem;
  }


  /* ---------- ORBIT ---------- */

  .orbit-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .orbit-visual {
    position: relative;
    top: auto;
    min-height: 400px;
  }

  .orbit-rings span:nth-child(3) {
    width: 420px;
    height: 420px;
  }


  /* ---------- TWO COLUMN ---------- */

  .two-col {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }


  /* ---------- EVENT DETAIL ---------- */

  .event-detail-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .event-info-sidebar {
    position: relative;
    top: auto;
  }


  /* ---------- GRIDS ---------- */

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }


  /* ---------- STATS ---------- */

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-cell {
    padding: 2.2rem 1rem;
  }


  /* ---------- GALLERY ---------- */

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }


  /* ---------- FOOTER ---------- */

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }


  /* ---------- TEAM ---------- */

  .nteam-grid {
    grid-template-columns: repeat(3, 1fr);
  }


  /* ---------- TIMELINE ---------- */

  .tl-track {
    padding-left: 5vw;
    padding-right: 5vw;
  }

  .tl-progress {
    margin-left: 5vw;
    margin-right: 5vw;
  }

}


/* =========================================================
   LARGE PHONE — 481px to 767px
   ========================================================= */

@media (max-width: 767px) {

  /* ---------- BASE ---------- */

  html {
    font-size: 15px;
  }

  body {
    line-height: 1.6;
  }


  /* ---------- CONTAINER ---------- */

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }


  /* ---------- NAVBAR ---------- */

  .nav-placeholder {
    height: 68px;
  }

  .nav-shell {
    margin-top: 8px;
    padding: 0 .7rem;
  }

  .brand-outer {
    max-width: calc(100vw - 80px);
    padding: .35rem .7rem .35rem .4rem;
  }

  .brand-link {
    min-width: 0;
  }

  .brand-link img {
    width: 32px;
    height: 32px;
  }

  .brand-text {
    min-width: 0;
  }

  .brand-text .org {
    font-size: .7rem;
    letter-spacing: .1em;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-text .inst {
    font-size: .45rem;
    letter-spacing: .2em;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hamburger-btn {
    width: 42px;
    height: 42px;
  }


  /* ---------- MOBILE MENU ---------- */

  .mobile-menu {
    top: 64px;
    left: 8px;
    right: 8px;
    padding: .7rem;
    border-radius: 16px;
  }

  .mobile-menu a.mlink {
    padding: .85rem 1rem;
    font-size: .9rem;
  }


  /* ---------- SECTIONS ---------- */

  .section {
    padding: 4.5rem 0;
  }

  .section-sm {
    padding: 3rem 0;
  }

  .section-header {
    margin-bottom: 2.3rem;
    padding: 0 .3rem;
  }

  .section-header h2 {
    font-size: clamp(1.7rem, 8vw, 2.5rem);
    letter-spacing: .06em;
  }

  .section-header p {
    font-size: .85rem;
  }


  /* ---------- LABEL ---------- */

  .label {
    font-size: .58rem;
    letter-spacing: .22em;
    padding: .45rem .8rem;
  }


  /* ---------- HERO ---------- */

  .hero {
    min-height: 100svh;
  }

  .hero-content {
    padding: 6.5rem .8rem 5rem;
    width: 100%;
  }

  .hero-eyebrow {
    font-size: .55rem;
    letter-spacing: .25em;
    margin-bottom: 1rem;
  }

  .hero-title {
    width: 100%;
    font-size: clamp(2rem, 13vw, 4rem);
    letter-spacing: .1em;
    text-indent: .1em;
    line-height: 1.05;
    overflow-wrap: anywhere;
  }

  .hero-sub {
    font-size: .85rem;
    line-height: 1.7;
    padding: 0 .5rem;
  }

  .hero-taglines {
    gap: .5rem;
    margin-top: 1.5rem;
  }

  .hero-tag {
    font-size: .55rem;
    letter-spacing: .18em;
    padding: .45rem .75rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: min(100%, 320px);
    margin-left: auto;
    margin-right: auto;
    gap: .65rem;
  }

  .btn,
  .btn-lg {
    width: 100%;
    justify-content: center;
    padding: .9rem 1rem;
    font-size: .68rem;
  }

  .scroll-hint {
    bottom: 1rem;
    font-size: .52rem;
    letter-spacing: .25em;
  }


  /* ---------- PAGE HERO ---------- */

  .page-hero {
    padding: 8rem 1rem 3.5rem;
  }

  .page-hero h1 {
    font-size: clamp(1.8rem, 10vw, 3rem);
    letter-spacing: .08em;
    text-indent: .08em;
  }

  .page-hero p {
    font-size: .85rem;
  }

  .breadcrumb {
    font-size: .55rem;
    letter-spacing: .15em;
    flex-wrap: wrap;
  }


  /* ---------- ORBIT ---------- */

  .orbit-section {
    padding: 4rem 0;
  }

  .orbit-visual {
    min-height: 330px;
    padding: 2rem 1rem;
    border-radius: 18px;
  }

  .orbit-logo {
    width: 140px;
    height: 140px;
  }

  .orbit-rings span:nth-child(1) {
    width: 210px;
    height: 210px;
  }

  .orbit-rings span:nth-child(2) {
    width: 280px;
    height: 280px;
  }

  .orbit-rings span:nth-child(3) {
    width: 350px;
    height: 350px;
  }

  .orbit-name {
    font-size: clamp(1.7rem, 8vw, 2.5rem);
    letter-spacing: .1em;
  }

  .orbit-steps {
    gap: 1rem;
  }

  .step-card {
    padding: 1.5rem;
    border-radius: 16px;
  }

  .step-card h3 {
    font-size: 1.2rem;
  }

  .step-card p {
    font-size: .84rem;
  }


  /* ---------- GRIDS ---------- */

  .grid {
    gap: .8rem;
  }

  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }


  /* ---------- ACTIVITIES ---------- */

  .activities-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .8rem;
  }

  .activity-card {
    padding: 1.5rem .9rem;
    border-radius: 15px;
  }

  .activity-icon-wrap {
    width: 52px;
    height: 52px;
    font-size: 1.4rem;
  }

  .activity-card h3 {
    font-size: .95rem;
  }

  .activity-card p {
    font-size: .78rem;
  }

  .view-link {
    font-size: .55rem;
    letter-spacing: .16em;
  }


  /* ---------- STATS ---------- */

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-cell {
    padding: 1.7rem .6rem;
  }

  .stat-num {
    font-size: clamp(1.7rem, 8vw, 2.5rem);
  }

  .stat-lbl {
    font-size: .5rem;
    letter-spacing: .16em;
  }


  /* ---------- TIMELINE ---------- */

  .tl-pin {
    height: auto;
  }

  .tl-sticky {
    position: relative;
    height: auto;
    min-height: auto;
    padding: 4rem 0;
  }

  .tl-head {
    margin-bottom: 1.8rem;
    padding: 0 1rem;
  }

  .tl-head h2 {
    font-size: clamp(1.6rem, 8vw, 2.4rem);
    letter-spacing: .08em;
    text-indent: .08em;
  }

  .tl-head p {
    font-size: .52rem;
    letter-spacing: .2em;
  }

  .tl-track {
    width: 100%;
    display: flex;
    flex-direction: column;
    padding: 0 1rem;
    gap: .9rem;
    transform: none !important;
  }

  .tl-card {
    width: 100%;
    padding: 1.4rem;
    border-radius: 16px;
  }

  .tl-card h3 {
    font-size: 1.15rem;
  }

  .tl-progress,
  .tl-hint {
    display: none;
  }


  /* ---------- FORMS ---------- */

  .form-card {
    width: 100%;
    padding: 1.4rem;
    border-radius: 16px;
  }

  .form-group {
    margin-bottom: 1rem;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px;
    padding: .8rem .9rem;
  }


  /* ---------- GALLERY ---------- */

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .6rem;
  }

  .gallery-item {
    height: 150px;
    border-radius: 12px;
  }

  .gallery-icon {
    font-size: 1.8rem;
  }

  .gallery-label {
    font-size: .5rem;
    letter-spacing: .14em;
  }

  #lightbox {
    padding: 1rem;
  }

  #lightbox img {
    max-width: 96vw;
    max-height: 78vh;
  }


  /* ---------- EVENT CARDS ---------- */

  .event-card-img {
    height: 150px;
    font-size: 2.4rem;
  }

  .event-card-body {
    padding: 1.1rem;
  }

  .event-card-body h3 {
    font-size: 1rem;
  }

  .event-category {
    font-size: .52rem;
  }

  .event-meta {
    font-size: .72rem;
  }

  .event-card-actions {
    padding: 0 1.1rem 1.1rem;
    flex-direction: column;
  }

  .event-card-actions .btn {
    width: 100%;
  }


  /* ---------- FILTERS ---------- */

  .filter-tabs {
    gap: .4rem;
    margin-bottom: 1.8rem;
  }

  .filter-tab {
    font-size: .52rem;
    letter-spacing: .12em;
    padding: .5rem .8rem;
  }


  /* ---------- TWO COLUMN ---------- */

  .two-col {
    gap: 1.8rem;
  }

  .img-frame {
    min-height: 240px;
    border-radius: 16px;
  }


  /* ---------- FOOTER ---------- */

  .footer {
    padding-top: 3rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 1rem;
  }

  .footer h4 {
    font-size: .55rem;
    letter-spacing: .2em;
  }

  .footer a,
  .footer p {
    font-size: .75rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: .6rem;
  }

  .social-row {
    gap: .45rem;
  }

  .social-link {
    width: 36px;
    height: 36px;
  }


  /* ---------- FINALE ---------- */

  .finale {
    padding: 6rem 1rem 5rem;
  }

  .finale h2 {
    font-size: clamp(2.2rem, 13vw, 4.5rem);
    letter-spacing: .06em;
    text-indent: .06em;
  }

  .finale p {
    font-size: .82rem;
  }


  /* ---------- SYMPOSIUM ---------- */

  .sym-popup {
    width: calc(100vw - 1.6rem);
    right: .8rem;
    bottom: .8rem;
  }

  .sym-detail-card {
    border-radius: 16px;
  }

  .sym-detail-banner {
    height: 180px;
  }

  .sym-detail-body {
    padding: 1.4rem 1rem 1.6rem;
    margin-top: -1.5rem;
  }

  .sym-detail-title {
    font-size: clamp(1.4rem, 7vw, 2rem);
  }

  .sym-detail-desc {
    font-size: .82rem;
  }

  .sym-detail-cols {
    grid-template-columns: 1fr;
    gap: .8rem;
  }

  .sym-detail-block {
    padding: 1rem;
  }

  .sym-detail-block li {
    font-size: .78rem;
  }


  /* ---------- OPPENHEIMER ---------- */

  .opp-visual {
    height: 160px;
  }

  .opp-visual svg {
    width: 120px;
    height: auto;
  }

  .sym-detail-banner-opp {
    min-height: 190px;
  }


  /* ---------- ABOUT STACK ---------- */

  .stk-panel {
    position: relative;
    height: auto;
    min-height: 100svh;
    padding: 5rem 0;
  }

  .stk-inner {
    width: 100%;
    padding: 0 1rem;
  }

  .stk-words {
    padding: 0 3vw;
  }

  .stk-words span {
    font-size: clamp(2rem, 13vw, 3.4rem);
  }

  .stk-eyebrow {
    font-size: clamp(1.2rem, 7vw, 2rem);
    letter-spacing: .25em;
  }

  .stk-lines {
    margin-top: 1.2rem;
  }

  .stk-lines span {
    font-size: clamp(.9rem, 4.5vw, 1.3rem);
  }

  .stk-feature {
    flex-direction: column;
    padding: 1.5rem 1rem;
    gap: 1.5rem;
  }

  .stk-feature-logo {
    width: 140px;
    height: 140px;
  }

  .stk-feature-logo img {
    width: 105px;
    height: 105px;
  }

  .stk-card {
    padding: .85rem .9rem;
  }

  .stk-card h3 {
    font-size: 1.1rem;
  }

  .stk-card p {
    font-size: .84rem;
  }

  .stk-card-logo {
    width: 52px;
    height: 52px;
  }

  .travel-hint {
    display: none;
  }


  /* ---------- TEAM ---------- */

  .nteam-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .8rem;
  }

  .nteam-card {
    padding: 1.5rem .7rem 1.2rem;
    border-radius: 17px;
  }

  .nteam-photo {
    width: 82px;
    height: 82px;
    margin-bottom: .9rem;
  }

  .nteam-name {
    font-size: .82rem;
  }

  .nteam-role {
    font-size: .68rem;
  }

  .nteam-socials {
    gap: .45rem;
    margin-top: .9rem;
  }

  .nteam-socials a {
    width: 36px;
    height: 36px;
  }

}


/* =========================================================
   SMALL PHONE — 320px to 480px
   ========================================================= */

@media (max-width: 480px) {

  html {
    font-size: 14px;
  }


  /* ---------- NAVBAR ---------- */

  .nav-shell {
    padding: 0 .5rem;
  }

  .brand-outer {
    max-width: calc(100vw - 65px);
  }

  .brand-link img {
    width: 29px;
    height: 29px;
  }

  .brand-text .org {
    font-size: .62rem;
    letter-spacing: .07em;
  }

  .brand-text .inst {
    font-size: .4rem;
    letter-spacing: .14em;
  }

  .hamburger-btn {
    width: 40px;
    height: 40px;
  }


  /* ---------- HERO ---------- */

  .hero-content {
    padding-left: .6rem;
    padding-right: .6rem;
  }

  .hero-title {
    font-size: clamp(1.8rem, 14vw, 3.2rem);
    letter-spacing: .06em;
    text-indent: .06em;
  }

  .hero-eyebrow {
    font-size: .48rem;
    letter-spacing: .18em;
  }

  .hero-sub {
    font-size: .78rem;
  }

  .hero-tag {
    font-size: .48rem;
    letter-spacing: .12em;
    padding: .4rem .6rem;
  }


  /* ---------- SECTION ---------- */

  .section {
    padding: 3.8rem 0;
  }

  .section-header h2 {
    font-size: 1.65rem;
  }


  /* ---------- GRIDS ---------- */

  .grid-2,
  .grid-3,
  .grid-4,
  .gallery-grid {
    grid-template-columns: 1fr;
  }


  /* ---------- ACTIVITIES ---------- */

  .activities-grid {
    grid-template-columns: 1fr;
  }

  .activity-card {
    padding: 1.4rem 1rem;
  }


  /* ---------- STATS ---------- */

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-cell {
    padding: 1.5rem .4rem;
  }

  .stat-num {
    font-size: 1.8rem;
  }

  .stat-lbl {
    font-size: .44rem;
    letter-spacing: .1em;
  }


  /* ---------- GALLERY ---------- */

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-item {
    height: 125px;
  }


  /* ---------- FOOTER ---------- */

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

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


  /* ---------- TEAM ---------- */

  .nteam-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }

  .nteam-card {
    padding: 1.7rem 1rem 1.4rem;
  }

  .nteam-photo {
    width: 95px;
    height: 95px;
  }

  .nteam-name {
    font-size: .9rem;
  }

  .nteam-role {
    font-size: .72rem;
  }


  /* ---------- FORMS ---------- */

  .form-card {
    padding: 1rem;
  }


  /* ---------- SYMPOSIUM POPUP ---------- */

  .sym-popup {
    width: calc(100vw - 1rem);
    right: .5rem;
    bottom: .5rem;
  }


  /* ---------- OPPENHEIMER ---------- */

  .opp-visual {
    height: 140px;
  }


  /* ---------- ABOUT ---------- */

  .stk-feature-logo {
    width: 120px;
    height: 120px;
  }

  .stk-feature-logo img {
    width: 90px;
    height: 90px;
  }

}


/* =========================================================
   EXTRA SMALL PHONES — 320px to 360px
   ========================================================= */

@media (max-width: 360px) {

  .container {
    padding-left: .8rem;
    padding-right: .8rem;
  }

  .mobile-menu {
    left: 5px;
    right: 5px;
  }

  .hero-content {
    padding-top: 6rem;
  }

  .hero-title {
    font-size: 1.75rem;
    letter-spacing: .04em;
    text-indent: .04em;
  }

  .hero-sub {
    font-size: .74rem;
  }

  .hero-actions {
    width: 100%;
  }

  .btn {
    font-size: .62rem;
  }

  .section {
    padding: 3.3rem 0;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .activity-card {
    padding: 1.2rem .8rem;
  }

  .activity-icon-wrap {
    width: 48px;
    height: 48px;
  }

  .gallery-item {
    height: 115px;
  }

  .sym-detail-body {
    padding-left: .8rem;
    padding-right: .8rem;
  }

}


/* =========================================================
   TOUCH DEVICES
   Remove hover transformations that can feel broken
   on phones/tablets.
   ========================================================= */

@media (hover: none) and (pointer: coarse) {

  .card:hover,
  .feature-card:hover,
  .event-card:hover,
  .activity-card:hover,
  .team-card:hover,
  .achievement-card:hover,
  .report-card:hover,
  .nteam-card:hover,
  .tl-card:hover {
    transform: none !important;
    box-shadow: none;
  }

  .activity-card:hover::after {
    transform: scaleX(0);
  }

  .nteam-card:hover::before,
  .nteam-card:hover::after {
    opacity: 0;
  }

  .btn-primary:hover,
  .btn-outline:hover {
    transform: none;
  }

}


/* =========================================================
   LANDSCAPE PHONES
   ========================================================= */

@media (max-height: 500px) and (orientation: landscape) {

  .hero-content {
    padding-top: 5rem;
    padding-bottom: 3rem;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3.5rem);
  }

  .scroll-hint {
    display: none;
  }

  .mobile-menu {
    max-height: calc(100svh - 75px);
    overflow-y: auto;
  }

}


/* =========================================================
   ACCESSIBILITY / PERFORMANCE
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

}


/* =========================================================
   SAFE TEXT WRAPPING
   ========================================================= */

h1,
h2,
h3,
h4,
p,
a,
span,
button {
  overflow-wrap: break-word;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

input,
select,
textarea,
button {
  max-width: 100%;
}
/* ===== FIX ABOUT MOBILE EMPTY SPACE ===== */
@media (max-width: 767px) {

  .tl-pin {
    height: auto !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .tl-sticky {
    position: relative !important;
    top: auto !important;
    height: auto !important;
    min-height: 0 !important;
    padding: 3rem 0 !important;
    overflow: visible !important;
  }

  .tl-track {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
    padding: 0 1rem !important;
    transform: none !important;
  }

  .tl-card {
    width: 100% !important;
    flex-shrink: 1 !important;
  }

  .finale {
    margin-top: 0 !important;
    padding-top: 3rem !important;
  }
}
.map-section {
  width: 100%;
  height: 450px;
  border-top: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg-dark);
}

.map-section iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  filter: grayscale(20%) contrast(105%);
}

@media (max-width: 768px) {
  .map-section {
    height: 350px;
  }
}
/* =========================================
   CENTER ISTE LOGO ON ALL PAGES
   ========================================= */

.footer-brand {
  width: 100%;
  text-align: center;
}

.footer-brand .logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.footer-brand .logo img {
  display: block;
  width: 180px;
  height: 180px;
  object-fit: contain;
  margin: 0 auto 15px;
}

.footer-brand .logo-text {
  text-align: center;
}

.footer-brand .logo-text .name,
.footer-brand .logo-text .inst {
  text-align: center;
}

.footer-brand > p {
  max-width: 600px;
  margin: 15px auto;
  text-align: center;
}

.footer-brand .social-links {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 15px;
}
@media (max-width: 768px) {
  .footer-brand .logo img {
    width: 150px;
    height: 150px;
  }

  .footer-brand .logo-text {
    width: 100%;
  }

  .footer-brand > p {
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
  }
}
/* =========================================
   QUANTERA VIDEO LOADING SCREEN
   ========================================= */

.intro-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;

  background:
    radial-gradient(
      circle at center,
      rgba(45, 12, 0, 0.95) 0%,
      #030100 70%
    );

  display: flex;
  align-items: center;
  justify-content: center;

  opacity: 1;
  visibility: visible;

  transition:
    opacity 0.8s ease,
    visibility 0.8s ease;
}

.intro-loader.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  width: min(420px, 80vw);
  text-align: center;
}

.loader-logo {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.15em;

  color: #ff8a1f;

  text-shadow:
    0 0 15px rgba(255, 100, 0, 0.8),
    0 0 45px rgba(255, 50, 0, 0.5);

  margin-bottom: 2rem;
}

.loader-spinner {
  width: 45px;
  height: 45px;

  margin: 0 auto 1.5rem;

  border: 2px solid rgba(255, 140, 50, 0.15);
  border-top-color: #ff7a00;
  border-right-color: #ffb347;

  border-radius: 50%;

  animation: introLoaderSpin 0.8s linear infinite;

  box-shadow:
    0 0 15px rgba(255, 100, 0, 0.4);
}

@keyframes introLoaderSpin {
  to {
    transform: rotate(360deg);
  }
}

.loader-text {
  font-family: 'Space Mono', monospace;

  font-size: 0.7rem;
  letter-spacing: 0.35em;

  color: #c98b5a;

  margin-bottom: 1rem;
}

.loader-progress {
  width: 100%;
  height: 3px;

  background: rgba(255, 120, 0, 0.12);

  overflow: hidden;

  border-radius: 10px;
}

.loader-progress-bar {
  width: 0%;
  height: 100%;

  background: linear-gradient(
    90deg,
    #ff4d00,
    #ff9d2e,
    #fff0c2
  );

  box-shadow:
    0 0 12px rgba(255, 100, 0, 0.8);

  transition: width 0.2s ease;
}

.loader-percent {
  margin-top: 0.8rem;

  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;

  letter-spacing: 0.2em;

  color: #996644;
}

@media (max-width: 600px) {

  .loader-content {
    width: 78vw;
  }

  .loader-logo {
    font-size: clamp(1.8rem, 10vw, 3rem);
  }

  .loader-text {
    font-size: 0.58rem;
    letter-spacing: 0.25em;
  }
}
.sym-sound-pill{
    position:absolute;
    left:50%;
    bottom:90px;
    transform:translateX(-50%);
    z-index:10;

    display:none;
    align-items:center;
    justify-content:center;

    padding:12px 22px;
    border:1px solid rgba(255,120,20,.7);
    border-radius:30px;

    background:rgba(0,0,0,.75);
    color:#fff;

    font-family:Arial,sans-serif;
    font-size:14px;
    font-weight:700;
    letter-spacing:1px;

    cursor:pointer;
    backdrop-filter:blur(8px);

    box-shadow:0 0 20px rgba(255,90,0,.35);

    transition:.3s ease;
}

.sym-sound-pill.show{
    display:flex;
}

.sym-sound-pill:hover{
    transform:translateX(-50%) scale(1.05);
    background:rgba(255,70,0,.9);
    box-shadow:0 0 30px rgba(255,90,0,.7);
}

.sym-sound-pill:active{
    transform:translateX(-50%) scale(.97);
}

@media(max-width:767px){
    .sym-sound-pill{
        bottom:75px;
        padding:11px 18px;
        font-size:12px;
    }
}
.register-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.register-logo {
    width: 22px;
    height: 22px;
     border-radius: 50%;
    object-fit: cover;
    display: block;
}