@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Inter:wght@300;400;500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --navy:#0B1C4D; --gold:#B48A28; --gold-lt:#D4A832;
  --teal:#00695C; --teal-lt:#00897B; --orange:#CC661A;
  --cream:#FAF8F2; --cream-dk:#F0EDE4; --white:#FFFFFF;
  --ink:#1A1A2E; --ink-mid:#3D3D55; --ink-lt:#6B6B88;
  --rule:#D9D4C5;
  --ff-display:'Cormorant Garamond',Georgia,serif;
  --ff-body:'Inter',system-ui,sans-serif;
  --ff-label:'Space Grotesk',system-ui,sans-serif;
  --max:1140px; --pad:clamp(24px,5vw,80px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--ff-body);background:var(--cream);
  color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad);}

/* AUTH */
.auth-page{min-height:100vh;display:flex;align-items:center;
  justify-content:center;background:var(--navy);}
.auth-card{background:var(--white);border-radius:12px;
  padding:48px;max-width:440px;width:100%;
  box-shadow:0 20px 60px rgba(0,0,0,.3);}
.auth-logo{font-family:var(--ff-display);font-size:32px;
  font-weight:700;color:var(--navy);margin-bottom:4px;}
.auth-logo span{color:var(--gold);}
.auth-sub{font-family:var(--ff-label);font-size:11px;
  font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal);margin-bottom:32px;}
.auth-title{font-family:var(--ff-display);font-size:28px;
  font-weight:600;color:var(--navy);margin-bottom:8px;}
.auth-desc{font-size:14px;color:var(--ink-mid);
  margin-bottom:28px;line-height:1.6;}
.auth-form{display:flex;flex-direction:column;gap:16px;}
.auth-input{padding:12px 16px;border:1.5px solid var(--rule);
  border-radius:6px;font-size:15px;font-family:var(--ff-body);
  transition:border-color .2s;}
.auth-input:focus{outline:none;border-color:var(--navy);}
.auth-btn{padding:13px 24px;background:var(--navy);
  color:var(--white);border:none;border-radius:6px;
  font-family:var(--ff-label);font-size:14px;font-weight:600;
  cursor:pointer;transition:background .2s;}
.auth-btn:hover{background:var(--gold);}
.auth-btn:disabled{opacity:.5;cursor:not-allowed;}
.auth-msg{font-size:14px;padding:12px 16px;border-radius:6px;
  margin-top:12px;display:none;}
.auth-msg.success{background:#E8F5E9;color:#2E7D32;display:block;}
.auth-msg.error{background:#FFEBEE;color:#C62828;display:block;}
.auth-msg.info{background:#E3F2FD;color:#1565C0;display:block;}

/* NAV */
.nav{position:sticky;top:0;z-index:100;background:var(--navy);
  border-bottom:2px solid var(--gold);}
.nav-inner{max-width:var(--max);margin:0 auto;padding:0 var(--pad);
  display:flex;align-items:center;justify-content:space-between;
  height:64px;}
.nav-logo{font-family:var(--ff-display);font-size:24px;
  font-weight:700;color:var(--gold-lt);text-decoration:none;}
.nav-logo span{color:var(--white);font-weight:400;}
.nav-logo small{font-size:13px;color:rgba(255,255,255,.5);
  font-family:var(--ff-label);font-weight:400;
  margin-left:12px;letter-spacing:.06em;}
.nav-right{display:flex;align-items:center;gap:20px;}
.nav-home{font-family:var(--ff-label);font-size:13px;
  color:rgba(255,255,255,.7);text-decoration:none;
  transition:color .2s;}
.nav-home:hover{color:var(--gold-lt);}
.nav-user{font-family:var(--ff-label);font-size:12px;
  color:rgba(255,255,255,.5);}
.nav-signout{font-family:var(--ff-label);font-size:12px;
  color:rgba(255,255,255,.4);background:none;
  border:1px solid rgba(255,255,255,.2);padding:6px 14px;
  border-radius:4px;cursor:pointer;transition:all .2s;}
.nav-signout:hover{color:var(--white);
  border-color:rgba(255,255,255,.5);}

/* BREADCRUMB */
.breadcrumb{background:var(--cream-dk);
  border-bottom:1px solid var(--rule);padding:10px 0;}
.breadcrumb-inner{max-width:var(--max);margin:0 auto;
  padding:0 var(--pad);display:flex;align-items:center;
  gap:8px;font-family:var(--ff-label);font-size:12px;
  color:var(--ink-lt);}
.breadcrumb a{color:var(--teal);text-decoration:none;}
.breadcrumb a:hover{color:var(--navy);}
.breadcrumb-sep{color:var(--rule);}

/* HUB PAGE */
.hub-hero{background:var(--navy);
  padding:60px var(--pad) 52px;text-align:center;}
.hub-eyebrow{font-family:var(--ff-label);font-size:11px;
  font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--teal-lt);margin-bottom:16px;}
.hub-title{font-family:var(--ff-display);
  font-size:clamp(36px,5vw,58px);font-weight:600;
  color:var(--white);line-height:1.15;margin-bottom:16px;}
.hub-title em{color:var(--gold-lt);font-style:italic;}
.hub-desc{font-size:16px;color:rgba(255,255,255,.65);
  max-width:560px;margin:0 auto;line-height:1.7;}
.conferences-grid{display:grid;
  grid-template-columns:repeat(auto-fill,minmax(320px,1fr));
  gap:28px;padding:48px 0;}
.conf-card{background:var(--white);border:1.5px solid var(--rule);
  border-radius:12px;padding:32px;cursor:pointer;
  text-decoration:none;transition:transform .2s,box-shadow .2s;
  display:flex;flex-direction:column;gap:12px;}
.conf-card:hover{transform:translateY(-4px);
  box-shadow:0 12px 40px rgba(0,0,0,.12);}
.conf-card-tag{font-family:var(--ff-label);font-size:10px;
  font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--teal);}
.conf-card-title{font-family:var(--ff-display);font-size:24px;
  font-weight:600;color:var(--navy);line-height:1.2;}
.conf-card-dates{font-family:var(--ff-label);font-size:13px;
  font-weight:500;color:var(--gold);}
.conf-card-location{font-size:13px;color:var(--ink-mid);}
.conf-card-stats{display:flex;gap:16px;margin-top:8px;
  padding-top:16px;border-top:1px solid var(--rule);}
.conf-stat{text-align:center;flex:1;}
.conf-stat-num{font-family:var(--ff-display);font-size:28px;
  font-weight:700;color:var(--navy);line-height:1;}
.conf-stat-label{font-family:var(--ff-label);font-size:10px;
  color:var(--ink-lt);text-transform:uppercase;
  letter-spacing:.1em;margin-top:2px;}
.conf-card-arrow{margin-top:auto;font-family:var(--ff-label);
  font-size:13px;font-weight:600;color:var(--teal);}

/* CONFERENCE PAGE */
.conf-hero{background:var(--navy);
  padding:48px var(--pad) 40px;}
.conf-hero-eyebrow{font-family:var(--ff-label);font-size:10px;
  font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--teal-lt);margin-bottom:12px;}
.conf-hero-title{font-family:var(--ff-display);
  font-size:clamp(28px,4vw,48px);font-weight:600;
  color:var(--white);line-height:1.15;margin-bottom:8px;}
.conf-hero-meta{font-family:var(--ff-label);font-size:13px;
  color:rgba(255,255,255,.55);display:flex;
  gap:20px;flex-wrap:wrap;margin-top:12px;}
.conf-controls{background:var(--cream-dk);
  border-bottom:1px solid var(--rule);padding:16px 0;
  position:sticky;top:64px;z-index:50;}
.conf-controls-inner{max-width:var(--max);margin:0 auto;
  padding:0 var(--pad);display:flex;gap:12px;
  flex-wrap:wrap;align-items:center;}
.day-tab{font-family:var(--ff-label);font-size:12px;
  font-weight:600;padding:8px 18px;border-radius:20px;
  border:1.5px solid var(--rule);background:var(--white);
  cursor:pointer;transition:all .2s;color:var(--ink-mid);}
.day-tab.active{background:var(--navy);color:var(--white);
  border-color:var(--navy);}
.sessions-container{padding:40px 0;}
.day-section{margin-bottom:56px;}
.day-label{font-family:var(--ff-display);font-size:28px;
  font-weight:600;color:var(--navy);margin-bottom:24px;
  padding-bottom:12px;border-bottom:2px solid var(--gold);}

/* SESSION CARDS */
.sessions-grid{display:grid;
  grid-template-columns:repeat(auto-fill,minmax(340px,1fr));
  gap:20px;}
.session-card{background:var(--white);
  border:1.5px solid var(--rule);border-radius:10px;
  padding:24px;transition:box-shadow .2s,transform .2s;
  display:flex;flex-direction:column;gap:10px;}
.session-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.09);
  transform:translateY(-2px);}
.session-card-top{display:flex;justify-content:space-between;
  align-items:flex-start;gap:8px;}
.session-track{font-family:var(--ff-label);font-size:10px;
  font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  padding:3px 8px;border-radius:3px;white-space:nowrap;}
.track-Governance{color:#6A1B9A;background:#EDE7F6;}
.track-Technical{color:#1B5E20;background:#E8F5E9;}
.track-Plenary{color:#0D47A1;background:#E3F2FD;}
.track-Keynote{color:#B71C1C;background:#FFEBEE;}
.track-Workshop{color:#004D40;background:#E0F2F1;}
.track-General{color:#37474F;background:#ECEFF1;}
.session-time{font-family:var(--ff-label);font-size:11px;
  color:var(--ink-lt);white-space:nowrap;}
.session-title{font-family:var(--ff-display);font-size:19px;
  font-weight:600;color:var(--navy);line-height:1.3;}
.session-type{font-family:var(--ff-label);font-size:10px;
  font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-lt);}
.session-presenters{font-size:13px;color:var(--ink-mid);
  line-height:1.55;}
.session-desc{font-size:13px;color:var(--ink-lt);
  line-height:1.6;display:-webkit-box;
  -webkit-line-clamp:3;-webkit-box-orient:vertical;
  overflow:hidden;}

/* ARTIFACTS */
.artifacts{display:flex;gap:8px;flex-wrap:wrap;
  margin-top:8px;padding-top:12px;
  border-top:1px solid var(--rule);}
.artifact-btn{display:inline-flex;align-items:center;
  gap:5px;padding:5px 11px;border-radius:20px;
  font-family:var(--ff-label);font-size:11px;
  font-weight:600;text-decoration:none;
  transition:all .2s;border:1.5px solid transparent;}
.artifact-btn.available:hover{transform:translateY(-1px);
  box-shadow:0 3px 8px rgba(0,0,0,.12);}
.artifact-btn.unavailable{opacity:.3;cursor:not-allowed;
  pointer-events:none;}
.art-audio{background:#E8F5E9;color:#2E7D32;
  border-color:#A5D6A7;}
.art-transcript{background:#E3F2FD;color:#1565C0;
  border-color:#90CAF9;}
.art-highlights{background:#FFF8E1;color:#E65100;
  border-color:#FFCC02;}
.art-summary{background:#EDE7F6;color:#6A1B9A;
  border-color:#CE93D8;}
.art-mindmap{background:#FCE4EC;color:#C62828;
  border-color:#F48FB1;}

/* FOOTER */
.site-footer{background:var(--ink);padding:24px var(--pad);
  margin-top:80px;}
.footer-inner{max-width:var(--max);margin:0 auto;display:flex;
  align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:16px;}
.footer-inner p{font-family:var(--ff-label);font-size:12px;
  color:rgba(255,255,255,.35);letter-spacing:.04em;}
.footer-links{display:flex;gap:20px;list-style:none;}
.footer-links a{font-family:var(--ff-label);font-size:12px;
  color:rgba(255,255,255,.38);text-decoration:none;
  transition:color .2s;}
.footer-links a:hover{color:var(--gold-lt);}

/* RESPONSIVE */
@media(max-width:768px){
  .sessions-grid{grid-template-columns:1fr;}
  .conferences-grid{grid-template-columns:1fr;}
  .auth-card{padding:32px 24px;margin:16px;}
}