/* ===========================================================
   SciVerse Carnival 2.0 — Design tokens
   =========================================================== */
:root{
  --void:        #000000;
  --panel:       #050508;
  --panel-2:     #080a0f;
  --line:        rgba(140,170,210,0.14);
  --line-bright: rgba(140,200,235,0.32);

  --cyan:        #2ea3c9;
  --cyan-bright: #5fc9e8;
  --cyan-glow:   #7fe0f0;
  --ice:         #cfeaf2;

  --silver:      #eef1f5;
  --silver-dim:  #aab4c4;
  --slate:       #7c8699;

  --warn:        #ffb454;

  --font-display: 'Orbitron', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', 'SF Mono', monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --ease: cubic-bezier(.16,.84,.32,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:90px; }
body{
  margin:0;
  background:var(--void);
  color:var(--silver);
  font-family:var(--font-body);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; cursor:pointer; }
::selection{ background:var(--cyan); color:var(--void); }

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ===========================================================
   Ambient space background
   =========================================================== */
.space-bg{
  position:fixed; inset:0; z-index:0; overflow:hidden; pointer-events:none;
  background: #000000;
}
.stars{ position:absolute; inset:-10%; background-repeat:repeat; opacity:0.8; }
.stars-1{
  background-image: radial-gradient(1.4px 1.4px at 20px 30px, #fff, transparent),
                     radial-gradient(1.2px 1.2px at 120px 80px, #fff, transparent),
                     radial-gradient(1px 1px at 200px 150px, #cfeaf2, transparent),
                     radial-gradient(1.6px 1.6px at 300px 40px, #fff, transparent),
                     radial-gradient(1px 1px at 60px 180px, #fff, transparent);
  background-size: 340px 340px;
  animation: drift-slow 140s linear infinite;
}
.stars-2{
  background-image: radial-gradient(1px 1px at 50px 60px, #9fd8e6, transparent),
                     radial-gradient(1.3px 1.3px at 160px 110px, #fff, transparent),
                     radial-gradient(1px 1px at 260px 200px, #fff, transparent),
                     radial-gradient(1.4px 1.4px at 340px 30px, #cfeaf2, transparent);
  background-size: 420px 420px;
  opacity:0.55;
  animation: drift-slow 220s linear infinite reverse;
}
.stars-3{
  background-image: radial-gradient(0.8px 0.8px at 80px 20px, #fff, transparent),
                     radial-gradient(0.8px 0.8px at 220px 140px, #fff, transparent),
                     radial-gradient(1px 1px at 380px 260px, #fff, transparent);
  background-size: 500px 500px;
  opacity:0.4;
  animation: drift-slow 300s linear infinite;
}
@keyframes drift-slow{ from{ transform:translate(0,0); } to{ transform:translate(-300px,200px); } }

.nebula{ display:none !important; }
.nebula-1{ display:none !important; }
.nebula-2{ display:none !important; }
@keyframes nebula-pulse{ 0%,100%{ opacity:0.25; transform:scale(1); } 50%{ opacity:0.45; transform:scale(1.12); } }

#comet-canvas{ position:absolute; inset:0; width:100%; height:100%; }

/* ===========================================================
   Nav
   =========================================================== */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; justify-content:center;
  padding:18px 24px;
  transition: padding .35s var(--ease), background .35s var(--ease);
}
.nav.scrolled{
  padding:10px 24px;
  background:rgba(0,0,0,0.85);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  width:100%; max-width:1280px;
  display:flex; align-items:center; justify-content:space-between;
  gap:20px;
}
.nav-brand{ display:flex; align-items:center; }
.nav-logo-img{ height:34px; width:auto; object-fit:contain; transition:height .35s var(--ease); }
.nav.scrolled .nav-logo-img{ height:28px; }

.nav-links{ display:flex; align-items:center; gap:6px; }
.nav-link{
  position:relative;
  font-size:13.5px; font-weight:600; letter-spacing:0.04em; text-transform:uppercase;
  color:var(--silver-dim);
  padding:9px 16px; border-radius:99px;
  transition: color .25s var(--ease), background .25s var(--ease);
}
.nav-link:hover{ color:var(--silver); background:rgba(140,200,235,0.07); }
.nav-link.active{ color:var(--cyan-bright); }
.nav-link.active::after{
  content:''; position:absolute; left:16px; right:16px; bottom:3px; height:1.5px;
  background:linear-gradient(90deg, var(--cyan), transparent);
}

.nav-cta{
  display:flex; align-items:center; gap:8px;
  background:var(--cyan); color:#04151c;
  border:none; border-radius:99px;
  padding:10px 18px;
  font-weight:700; font-size:13.5px; letter-spacing:0.02em;
  box-shadow:0 0 0 0 rgba(46,163,201,0.5);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
.nav-cta:hover{ transform:translateY(-1px); background:var(--cyan-bright); box-shadow:0 6px 24px rgba(46,163,201,0.4); }
.nav-cta svg{ transition:transform .25s var(--ease); }
.nav-cta:hover svg{ transform:translateX(2px); }

.nav-burger{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px;
}
.nav-burger span{ width:22px; height:2px; background:var(--silver); border-radius:2px; transition:all .3s var(--ease); }
.nav-burger.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2){ opacity:0; }
.nav-burger.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.mobile-menu{
  position:fixed; top:0; right:0; height:100vh; width:min(78vw, 320px); z-index:99;
  background:rgba(0,0,0,0.97); backdrop-filter:blur(20px);
  border-left:1px solid var(--line);
  display:flex; flex-direction:column; gap:4px;
  padding:100px 28px 28px;
  transform:translateX(100%);
  transition: transform .4s var(--ease);
}
.mobile-menu.open{ transform:translateX(0); }
.mobile-link{
  font-family:var(--font-display); font-size:18px; font-weight:600; letter-spacing:0.03em;
  color:var(--silver-dim); padding:14px 4px; border-bottom:1px solid var(--line);
  transition:color .2s;
}
.mobile-link:hover{ color:var(--cyan-bright); }
.mobile-register{
  margin-top:24px; background:var(--cyan); color:#04151c; border:none; border-radius:10px;
  padding:14px; font-weight:700; font-size:15px;
}

/* ===========================================================
   Hero
   =========================================================== */
.hero{
  position:relative; z-index:1;
  min-height:100vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  padding:140px 20px 80px;
}
.hero-grid-overlay{
  position:absolute; inset:0; z-index:-1;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 30%, black, transparent 75%);
          mask-image: radial-gradient(ellipse 60% 50% at 50% 30%, black, transparent 75%);
}

.hero-content{ max-width:880px; }

.hero-logo-wrap{
  margin:0 auto 28px;
  max-width:760px;
  opacity:0; transform:translateY(24px) scale(0.97);
  animation: hero-logo-in 1.1s var(--ease) 0.15s forwards;
  filter: drop-shadow(0 0 50px rgba(46,163,201,0.35));
}
.hero-logo{ width:100%; height:auto; }
@keyframes hero-logo-in{ to{ opacity:1; transform:translateY(0) scale(1); } }

.hero-tagline{
  font-size:clamp(14px, 1.8vw, 17px);
  color:var(--silver-dim);
  margin:0 0 28px;
  opacity:0; animation: fade-up .9s var(--ease) 0.5s forwards;
}
.hero-tagline strong{ color:var(--cyan-bright); font-weight:700; }

.hero-meta{
  display:flex; align-items:center; justify-content:center; gap:18px; flex-wrap:wrap;
  margin-bottom:36px;
  opacity:0; animation: fade-up .9s var(--ease) 0.65s forwards;
}
.hero-meta-item{
  display:flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:13.5px; letter-spacing:0.02em;
  color:var(--ice);
  background:rgba(46,163,201,0.08);
  border:1px solid var(--line-bright);
  padding:9px 16px; border-radius:99px;
}
.hero-meta-item svg{ color:var(--cyan-bright); flex-shrink:0; }
.hero-meta-divider{ width:1px; height:18px; background:var(--line); }
@media (max-width:600px){ .hero-meta-divider{ display:none; } }

.hero-actions{
  display:flex; align-items:center; justify-content:center; gap:16px; flex-wrap:wrap;
  opacity:0; animation: fade-up .9s var(--ease) 0.8s forwards;
}
@keyframes fade-up{ from{ opacity:0; transform:translateY(16px); } to{ opacity:1; transform:translateY(0); } }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 28px; border-radius:99px;
  font-weight:700; font-size:14.5px; letter-spacing:0.02em;
  border:none; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg, var(--cyan-bright), var(--cyan));
  color:#03141b;
  box-shadow:0 8px 30px rgba(46,163,201,0.35);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 36px rgba(46,163,201,0.5); }
.btn-primary svg{ transition:transform .25s var(--ease); }
.btn-primary:hover svg{ transform:translateX(3px); }

.btn-ghost{
  background:transparent; color:var(--silver);
  border:1px solid var(--line-bright);
}
.btn-ghost:hover{ background:rgba(140,200,235,0.08); border-color:var(--cyan-bright); }

/* Countdown */
.countdown-panel{
  margin-top:56px;
  background:rgba(10,13,20,0.6);
  border:1px solid var(--line-bright);
  border-radius:18px;
  padding:24px clamp(18px,4vw,40px) 28px;
  backdrop-filter:blur(12px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 20px 60px rgba(0,0,0,0.4);
  opacity:0; animation: fade-up .9s var(--ease) 0.95s forwards;
}
.countdown-label{
  display:flex; align-items:center; justify-content:center; gap:9px;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--slate); margin-bottom:18px;
}
.pulse-dot{
  width:7px; height:7px; border-radius:50%; background:var(--cyan-bright);
  box-shadow:0 0 0 0 rgba(95,201,232,0.6);
  animation:pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot{ 0%{ box-shadow:0 0 0 0 rgba(95,201,232,0.55);} 70%{ box-shadow:0 0 0 8px rgba(95,201,232,0);} 100%{ box-shadow:0 0 0 0 rgba(95,201,232,0);} }

.countdown-grid{ display:flex; align-items:center; justify-content:center; gap:clamp(6px,2vw,18px); }
.countdown-unit{ display:flex; flex-direction:column; align-items:center; min-width:64px; }
.countdown-number{
  font-family:var(--font-mono); font-weight:700;
  font-size:clamp(28px, 6vw, 46px);
  line-height:1;
  color:var(--silver);
  text-shadow:0 0 24px rgba(95,201,232,0.45);
  font-variant-numeric: tabular-nums;
}
.countdown-word{
  margin-top:8px; font-size:10.5px; letter-spacing:0.12em; text-transform:uppercase; color:var(--slate);
}
.countdown-colon{
  font-family:var(--font-mono); font-size:clamp(20px,4vw,32px); color:var(--cyan); opacity:0.5; transform:translateY(-9px);
}

.scroll-cue{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:10px; letter-spacing:0.15em; text-transform:uppercase; color:var(--slate);
  opacity:0; animation: fade-up .9s var(--ease) 1.2s forwards;
}
.scroll-cue-line{ width:1px; height:26px; background:linear-gradient(var(--cyan-bright), transparent); animation: scroll-line 1.8s ease-in-out infinite; }
@keyframes scroll-line{ 0%{ transform:scaleY(0); transform-origin:top; } 50%{ transform:scaleY(1); transform-origin:top; } 51%{ transform-origin:bottom; } 100%{ transform:scaleY(0); transform-origin:bottom; } }

/* ===========================================================
   DNA divider
   =========================================================== */
.dna-divider{ position:relative; z-index:1; width:100%; height:70px; overflow:hidden; }
.dna-svg{ width:100%; height:100%; }
.dna-strand{ fill:none; stroke-width:2.4; }
.dna-strand-a{ stroke:var(--cyan); opacity:0.65; }
.dna-strand-b{ stroke:var(--cyan-bright); opacity:0.35; }
.dna-strand-a, .dna-strand-b{ stroke-dasharray:6 10; animation: dna-flow 6s linear infinite; }
.dna-strand-b{ animation-direction:reverse; animation-duration:7s; }
@keyframes dna-flow{ to{ stroke-dashoffset:-160; } }

/* ===========================================================
   Sections shared
   =========================================================== */
.section-inner{ max-width:1180px; margin:0 auto; padding:90px 24px; position:relative; z-index:1; }
.eyebrow{
  display:flex; align-items:center; gap:8px; justify-content:flex-start;
  font-family:var(--font-mono); font-size:12px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--cyan-bright); margin-bottom:16px;
}
.eyebrow-bracket{ color:var(--slate); }
.section-title{
  font-family:var(--font-display); font-weight:800;
  font-size:clamp(28px, 4.4vw, 46px); line-height:1.15; letter-spacing:0.01em;
  margin:0 0 18px; max-width:720px;
}
.text-accent{
  background:linear-gradient(135deg, var(--cyan-bright), var(--cyan));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.section-lead{ font-size:16px; color:var(--silver-dim); max-width:620px; margin:0 0 48px; }

.reveal{ opacity:0; transform:translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* ===========================================================
   About
   =========================================================== */
.about{ position:relative; z-index:1; }
.about-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.about-card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:30px 26px; transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.about-card:hover{ transform:translateY(-6px); border-color:var(--line-bright); background:var(--panel-2); }
.about-card-icon{
  width:52px; height:52px; border-radius:12px; margin-bottom:18px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(46,163,201,0.12); color:var(--cyan-bright);
  border:1px solid var(--line-bright);
}
.about-card h3{ font-family:var(--font-display); font-size:17px; font-weight:700; margin:0 0 10px; letter-spacing:0.01em; }
.about-card p{ font-size:14.5px; color:var(--silver-dim); margin:0; line-height:1.65; }

/* ===========================================================
   Register cards
   =========================================================== */
.register-section{ position:relative; z-index:1; }
.register-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.reg-card{
  position:relative; overflow:hidden; cursor:pointer;
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:32px 26px 26px;
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.reg-card:hover{ transform:translateY(-8px); border-color:var(--cyan); box-shadow:0 20px 50px rgba(46,163,201,0.18); }
.reg-card-glow{
  position:absolute; top:-60%; right:-30%; width:220px; height:220px; border-radius:50%;
  background:radial-gradient(circle, rgba(46,163,201,0.35), transparent 70%);
  opacity:0; transition:opacity .4s var(--ease);
}
.reg-card:hover .reg-card-glow{ opacity:1; }
.reg-card-top{ display:flex; align-items:flex-start; justify-content:space-between; margin-bottom:20px; }
.reg-card-icon{
  width:54px; height:54px; border-radius:13px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(46,163,201,0.12); color:var(--cyan-bright);
  border:1px solid var(--line-bright);
}
.reg-card-tag{
  font-family:var(--font-mono); font-size:10px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--void); background:var(--cyan-bright); padding:5px 10px; border-radius:99px; font-weight:700;
  align-self:flex-start;
}
.reg-card h3{ font-family:var(--font-display); font-size:18.5px; font-weight:700; margin:0 0 10px; }
.reg-card p{ font-size:14px; color:var(--silver-dim); line-height:1.6; margin:0 0 22px; min-height:64px; }
.reg-card-cta{
  display:inline-flex; align-items:center; gap:7px;
  font-size:13px; font-weight:700; color:var(--cyan-bright);
  letter-spacing:0.02em;
}
.reg-card-cta svg{ transition:transform .3s var(--ease); }
.reg-card:hover .reg-card-cta svg{ transform:translate(3px,-3px); }

.register-note{ margin-top:30px; font-size:13.5px; color:var(--slate); }
.register-note strong{ color:var(--cyan-bright); }

/* ===========================================================
   Segments
   =========================================================== */
.segments{ position:relative; z-index:1; }
.segments-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.segment-tile{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:26px 18px; text-align:center;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.segment-tile:hover{ transform:translateY(-4px) scale(1.02); border-color:var(--line-bright); background:var(--panel-2); }
.segment-icon{ font-size:30px; margin-bottom:12px; filter:drop-shadow(0 0 14px rgba(46,163,201,0.4)); }
.segment-tile h4{ font-family:var(--font-display); font-size:13.5px; font-weight:600; margin:0; letter-spacing:0.01em; }
.segments-note{ margin-top:26px; font-size:13.5px; color:var(--slate); }

/* ===========================================================
   Organizers
   =========================================================== */
.organizers{ position:relative; z-index:1; }
.org-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.org-card{
  display:flex; flex-direction:column; align-items:center; text-align:center;
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:30px 18px 24px;
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.org-card:hover{ transform:translateY(-6px); border-color:var(--cyan); background:var(--panel-2); }
.org-avatar{
  width:64px; height:64px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg, rgba(46,163,201,0.25), rgba(46,163,201,0.06));
  border:1.5px solid var(--line-bright);
  font-family:var(--font-display); font-weight:700; font-size:19px; color:var(--cyan-bright);
  margin-bottom:16px;
}
.org-name{ font-family:var(--font-display); font-size:14.5px; font-weight:700; margin:0 0 6px; letter-spacing:0.01em; }
.org-role{ font-size:11.5px; color:var(--slate); text-transform:uppercase; letter-spacing:0.06em; margin:0 0 16px; line-height:1.5; }
.org-fb{
  display:inline-flex; align-items:center; gap:6px;
  font-size:12px; font-weight:600; color:var(--cyan-bright);
  border:1px solid var(--line-bright); border-radius:99px; padding:7px 14px;
  transition: background .25s, color .25s;
}
.org-card:hover .org-fb{ background:var(--cyan-bright); color:var(--void); }

/* ===========================================================
   Contact
   =========================================================== */
.contact{ position:relative; z-index:1; }
.contact-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.contact-card{
  display:flex; align-items:center; gap:14px;
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px 20px; transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
  min-width:0;
}
.contact-card:hover{ transform:translateY(-5px); border-color:var(--cyan); background:var(--panel-2); }
.contact-icon{
  width:48px; height:48px; flex-shrink:0; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(46,163,201,0.12); color:var(--cyan-bright);
  border:1px solid var(--line-bright);
}
.contact-text{ display:flex; flex-direction:column; gap:4px; flex:1; min-width:0; }
.contact-label{ font-size:11px; text-transform:uppercase; letter-spacing:0.08em; color:var(--slate); }
.contact-value{ font-size:13.5px; font-weight:600; color:var(--silver); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
@media (max-width:420px){
  .contact-value{ white-space:normal; overflow-wrap:break-word; font-size:13px; }
}
.contact-arrow{ color:var(--slate); flex-shrink:0; transition: transform .3s var(--ease), color .3s var(--ease); }
.contact-card:hover .contact-arrow{ transform:translate(3px,-3px); color:var(--cyan-bright); }

/* ===========================================================
   Footer
   =========================================================== */
.footer{ position:relative; z-index:1; border-top:1px solid var(--line); }
.footer-inner{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:24px; padding:46px 24px; }
.footer-brand{ display:flex; align-items:center; gap:14px; }
.footer-logo{ height:30px; width:auto; opacity:0.85; }
.footer-brand p{ margin:0; font-size:12.5px; color:var(--slate); }
.footer-links{ display:flex; gap:22px; flex-wrap:wrap; }
.footer-links a{ font-size:13px; color:var(--silver-dim); transition:color .2s; }
.footer-links a:hover{ color:var(--cyan-bright); }
.footer-copy{ width:100%; text-align:center; font-size:12px; color:var(--slate); margin:18px 0 0; }

/* ===========================================================
   Modal
   =========================================================== */
.modal-backdrop{
  position:fixed; inset:0; z-index:200;
  background:rgba(4,5,9,0.72); backdrop-filter:blur(8px);
  display:flex; align-items:center; justify-content:center; padding:20px;
  opacity:0; pointer-events:none; transition:opacity .35s var(--ease);
}
.modal-backdrop.open{ opacity:1; pointer-events:auto; }
.modal{
  position:relative; width:100%; max-width:480px;
  background:linear-gradient(180deg, var(--panel-2), var(--panel));
  border:1px solid var(--line-bright); border-radius:20px;
  padding:36px 30px 30px;
  box-shadow:0 30px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(46,163,201,0.08);
  transform:translateY(20px) scale(0.97); transition: transform .4s var(--ease);
}
.modal-backdrop.open .modal{ transform:translateY(0) scale(1); }
.modal-close{
  position:absolute; top:18px; right:18px;
  width:34px; height:34px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,0.05); border:1px solid var(--line); color:var(--silver-dim);
  transition: background .2s, color .2s;
}
.modal-close:hover{ background:rgba(255,255,255,0.1); color:var(--silver); }
.modal-eyebrow{ font-family:var(--font-mono); font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--cyan-bright); margin-bottom:10px; }
.modal-title{ font-family:var(--font-display); font-size:21px; font-weight:700; margin:0 0 10px; line-height:1.3; }
.modal-sub{ font-size:13.5px; color:var(--silver-dim); margin:0 0 26px; line-height:1.6; }
.modal-options{ display:flex; flex-direction:column; gap:12px; }
.modal-option{
  display:flex; align-items:center; gap:14px;
  background:var(--panel); border:1px solid var(--line); border-radius:12px;
  padding:14px 16px;
  transition: border-color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease);
}
.modal-option:hover{ border-color:var(--cyan); background:rgba(46,163,201,0.08); transform:translateX(4px); }
.modal-option-icon{ font-size:22px; flex-shrink:0; }
.modal-option-text{ display:flex; flex-direction:column; gap:2px; flex:1; }
.modal-option-text strong{ font-size:14.5px; font-weight:700; }
.modal-option-text small{ font-size:12px; color:var(--slate); }
.modal-option svg{ color:var(--slate); flex-shrink:0; transition: transform .25s var(--ease), color .25s var(--ease); }
.modal-option:hover svg{ color:var(--cyan-bright); transform:translateX(2px); }

body.modal-lock{ overflow:hidden; }

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width:980px){
  .nav-links{ display:none; }
  .nav-cta{ display:none; }
  .nav-burger{ display:flex; }
  .about-grid, .register-grid{ grid-template-columns:1fr; }
  .segments-grid{ grid-template-columns:repeat(2,1fr); }
  .org-grid{ grid-template-columns:repeat(2,1fr); }
  .contact-grid{ grid-template-columns:1fr; }
}
@media (max-width:560px){
  .section-inner{ padding:64px 18px; }
  .hero{ padding-top:120px; }
  .countdown-grid{ gap:6px; }
  .countdown-unit{ min-width:50px; }
  .segments-grid{ grid-template-columns:1fr 1fr; }
  .org-grid{ grid-template-columns:1fr; }
  .footer-inner{ flex-direction:column; align-items:flex-start; }
}

/* ===========================================================
   Hero — new badge + wordmark layout
   =========================================================== */
.hero-badge-row{
  display:flex; align-items:center; justify-content:center; gap:16px;
  margin-bottom:18px;
  opacity:0; transform:translateY(18px);
  animation: fade-up .9s var(--ease) 0.1s forwards;
}
.hero-badge-img{
  width:70px; height:70px; object-fit:contain;
  filter: drop-shadow(0 0 16px rgba(46,163,201,0.5));
}
.hero-badge-text{ display:flex; flex-direction:column; align-items:flex-start; gap:2px; }
.hero-org-name{
  font-family:var(--font-display); font-size:clamp(18px,2.2vw,24px); font-weight:800;
  letter-spacing:0.05em; color:var(--silver);
  text-shadow:0 0 30px rgba(95,201,232,0.4);
}
.hero-presents{
  font-family:var(--font-mono); font-size:11px; letter-spacing:0.22em;
  color:var(--cyan-bright); text-transform:uppercase;
}

.hero-wordmark-wrap{
  position:relative; margin:0 auto 20px;
  max-width:min(700px, 92vw);
  opacity:0; transform:translateY(22px) scale(0.97);
  animation: hero-logo-in 1.1s var(--ease) 0.25s forwards;
  filter: drop-shadow(0 0 40px rgba(46,163,201,0.5));
}
.hero-wordmark{ width:100%; height:auto; }
.hero-version-badge{
  position:absolute; right:-2px; bottom:8px;
  font-family:var(--font-display); font-weight:900;
  font-size:clamp(22px,3.5vw,36px); color:var(--silver);
  text-shadow:0 0 20px rgba(95,201,232,0.7), 0 0 60px rgba(46,163,201,0.4);
  letter-spacing:0.01em;
}

/* Nav badge */
.nav-brand{ display:flex; align-items:center; gap:10px; }
.nav-badge{ width:34px; height:34px; object-fit:contain; transition: width .35s var(--ease); }
.nav.scrolled .nav-badge{ width:28px; height:28px; }
.nav-brand-text{
  font-family:var(--font-display); font-weight:700; font-size:14px;
  letter-spacing:0.05em; color:var(--silver);
}
@media (max-width:400px){ .nav-brand-text{ display:none; } }

/* Footer badge */
.footer-badge{ width:46px; height:46px; object-fit:contain; }
.footer-brand-name{ font-family:var(--font-display); font-size:15px; font-weight:700; letter-spacing:0.04em; }
.footer-brand-tag{ font-size:11.5px; color:var(--slate); }

/* Remove old nav-logo-img styles */
.nav-logo-img{ display:none; }
.footer-logo{ display:none; }

/* Countdown sub-note */
.countdown-sub{
  margin-top:14px; display:flex; align-items:center; justify-content:center; gap:6px;
  font-family:var(--font-mono); font-size:11px; letter-spacing:0.06em; color:var(--slate);
}
.countdown-sub svg{ color:var(--cyan-bright); flex-shrink:0; }
.countdown-sub strong{ color:var(--cyan-bright); }

/* Deadline pill accent */
.deadline-pill{ border-color:rgba(255,180,84,0.4); color:var(--ice); }
.deadline-pill svg{ color:var(--warn); }

/* Segment — 7 tiles: 4+3 layout */
.segments-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.segment-tile-wide{
  grid-column: span 4;
  max-width:220px;
  justify-self:center;
}
@media (max-width:980px){
  .segments-grid{ grid-template-columns:repeat(3,1fr); }
  .segment-tile-wide{ grid-column:span 3; max-width:200px; }
}
@media (max-width:560px){
  .segments-grid{ grid-template-columns:repeat(2,1fr); }
  .segment-tile-wide{ grid-column:span 2; max-width:none; }
}


/* ===========================================================
   Organizer groups
   =========================================================== */
.org-grid{ display:flex; flex-direction:column; gap:36px; }
.org-group{}
.org-group-label{
  font-family:var(--font-mono); font-size:11px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--gl-color, var(--cyan-bright));
  display:flex; align-items:center; gap:10px; margin-bottom:16px;
}
.org-group-label::before{ content:''; flex:1; max-width:24px; height:1px; background:var(--gl-color, var(--cyan-bright)); opacity:0.5; }
.org-group-label::after{ content:''; flex:1; height:1px; background:var(--gl-color, var(--cyan-bright)); opacity:0.25; }

.org-group-cards{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
@media (max-width:980px){ .org-group-cards{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:480px){ .org-group-cards{ grid-template-columns:1fr; } }

.org-card{
  display:flex; flex-direction:column; align-items:center; text-align:center;
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:26px 16px 22px;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.org-card:hover{ transform:translateY(-6px); border-color:var(--card-accent, var(--cyan)); box-shadow:0 14px 40px rgba(0,0,0,0.3); }
.org-avatar{
  width:60px; height:60px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  border:1.5px solid; margin-bottom:14px;
  font-family:var(--font-display); font-weight:700; font-size:18px;
}
.org-name{ font-family:var(--font-display); font-size:13.5px; font-weight:700; margin:0 0 5px; letter-spacing:0.01em; line-height:1.3; }
.org-role{ font-size:11px; color:var(--slate); text-transform:uppercase; letter-spacing:0.06em; margin:0 0 14px; line-height:1.5; }
.org-fb{
  display:inline-flex; align-items:center; gap:6px;
  font-size:12px; font-weight:600; color:var(--cyan-bright);
  border:1px solid var(--line-bright); border-radius:99px; padding:6px 14px;
  transition: background .25s, color .25s;
}
.org-card:hover .org-fb{ background:var(--card-accent, var(--cyan-bright)); color:var(--void); border-color:transparent; }

/* ===========================================================
   Segments grid — final override: 4+3 with Photography centered
   =========================================================== */
.segments-grid{
  display:grid !important;
  grid-template-columns:repeat(4,1fr) !important;
  gap:18px !important;
}
.segment-tile:nth-child(5){ grid-column:1; }
.segment-tile:nth-child(6){ grid-column:2; }
.segment-tile-wide{
  grid-column:3 !important;
  max-width:none !important;
  justify-self:stretch !important;
}
/* on medium screens: 3 per row */
@media (max-width:900px){
  .segments-grid{ grid-template-columns:repeat(3,1fr) !important; }
  .segment-tile:nth-child(5){ grid-column:auto; }
  .segment-tile:nth-child(6){ grid-column:auto; }
  .segment-tile-wide{ grid-column:auto !important; }
}
@media (max-width:560px){
  .segments-grid{ grid-template-columns:repeat(2,1fr) !important; }
}

/* ===========================================================
   Hero logo — lighten blend: black bg fully invisible on dark site
   =========================================================== */
.hero-logo-block {
  width: 100%;
  max-width: min(900px, 98vw);
  margin: 0 auto 28px;
  opacity: 0;
  transform: translateY(22px) scale(0.97);
  animation: hero-logo-in 1.1s var(--ease) 0.15s forwards;
  background: transparent;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* Badge + wordmark row */
.hero-brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
.hero-brand-badge {
  width: 64px;
  height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(100,180,255,0.35));
}
.hero-brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.15;
}
.hero-brand-name {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.12em;
  text-shadow: 0 0 18px rgba(100,200,255,0.4);
}
.hero-brand-sub {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(0.55rem, 1.5vw, 0.75rem);
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.22em;
  margin-top: 2px;
}

.hero-logo-img {
  width: 100%;
  height: auto;
  display: block;
  mix-blend-mode: normal;
  filter: brightness(1.05) contrast(1.05) saturate(1.1);
}
/* Override old hero-badge-row / hero-wordmark-wrap */
.hero-badge-row, .hero-wordmark-wrap { display: none !important; }