:root{
    --navy:#21243D;
    --navy-2:#222344;
    --ink:#0F1015;
    --gold:#E9AF21;
    --gold-soft:#F6DFA0;
    --gold-tint:#FBF1D6;
    --paper:#FFFFFF;
    --mist:#F3F3F3;
    --line:#E9E9E9;
    --text:#233339;
    --muted:#5E6B72;
    --blue-tint:#DDE6F5;
    --radius:14px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:76px}
  body{margin:0;background:var(--mist);color:var(--text);font-family:Montserrat,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
  a{color:inherit}
  .wrap{max-width:1120px;margin:0 auto;padding:0 20px}

  /* HERO */
  .hero{position:relative;min-height:88vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;background:var(--navy) url("hero.jpg") center/cover no-repeat;overflow:hidden}
  .hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(33,36,61,.72) 0%,rgba(33,36,61,.62) 55%,rgba(15,16,21,.85) 100%)}
  .hero-in{position:relative;padding:80px 20px 96px;max-width:860px}
  .logo{display:inline-block;line-height:1.02;font-weight:800;font-size:clamp(26px,3.4vw,38px);letter-spacing:-.01em}
  .logo b{color:var(--gold);font-weight:900}
  .logo small{display:block;font-size:.36em;font-weight:600;letter-spacing:.02em;margin-top:4px}
  .script{font-family:Allura,cursive;font-weight:400;font-size:clamp(56px,8vw,92px);line-height:1;margin:6px 0 18px}
  .hero h1{font-size:clamp(30px,5vw,56px);line-height:1.08;font-weight:800;margin:0 0 18px;letter-spacing:-.015em}
  .hero p.lead{font-size:clamp(16px,1.6vw,19px);max-width:640px;margin:0 auto 26px;opacity:.92}
  .date{display:inline-block;font-weight:700;letter-spacing:.28em;text-transform:uppercase;font-size:13px;padding:10px 18px;border:1px solid rgba(255,255,255,.5);border-radius:999px}
  .stats{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
  .stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(4px);border-radius:12px;padding:12px 18px;min-width:120px}
  .stat strong{display:block;font-size:26px;font-weight:800;color:var(--gold);line-height:1.1}
  .stat span{font-size:12px;letter-spacing:.08em;text-transform:uppercase}

  /* NAV */
  .nav{position:sticky;top:0;z-index:20;background:var(--navy);box-shadow:0 2px 14px rgba(0,0,0,.18)}
  .nav .wrap{position:relative;display:flex;gap:8px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none}
  .nav .wrap::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto;text-decoration:none;color:#fff;font-size:13px;font-weight:600;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);white-space:nowrap;transition:background .15s,color .15s}
  .chip:hover,.chip.active{background:var(--gold);color:var(--navy);border-color:var(--gold)}

  /* SECTIONS */
  section{padding:72px 0}
  .eyebrow{font-weight:700;letter-spacing:.3em;text-transform:uppercase;font-size:12px;color:var(--muted);margin:0 0 8px}
  h2.title{font-size:clamp(28px,4vw,42px);font-weight:900;color:var(--navy);text-transform:uppercase;margin:0 0 12px;letter-spacing:-.01em;line-height:1.1}
  .intro{max-width:720px;color:var(--muted);margin:0 0 36px}

  /* TOP 3 */
  .top3{background:var(--gold) url("bg-gold.jpg") center/cover;position:relative}
  .top3::before{content:"";position:absolute;inset:0;background:rgba(233,175,33,.9)}
  .top3 .wrap{position:relative}
  .top3 .eyebrow{color:var(--navy);opacity:.75}
  .top3 .intro{color:var(--navy)}
  .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .tk{background:#fff;border-radius:var(--radius);padding:26px 24px;box-shadow:0 10px 30px rgba(33,36,61,.12)}
  .tk .n{font-size:44px;font-weight:900;color:var(--gold);line-height:1}
  .tk h3{font-size:18px;color:var(--navy);margin:10px 0 8px;line-height:1.3}
  .tk p{margin:0 0 12px;font-size:15px}
  .tk .who{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.04em}

  /* BLOCK HEADERS (like the day bars on the portal) */
  .block{margin:0 0 26px;background:var(--navy);color:#fff;border-radius:var(--radius) var(--radius) 0 0;padding:18px 24px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
  .block h3{margin:0;font-size:20px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
  .block span{font-size:13px;font-weight:600;color:var(--gold-soft)}

  /* TALK CARDS */
  .talk{background:var(--paper);border-radius:var(--radius);box-shadow:0 6px 24px rgba(33,36,61,.07);margin:0 0 26px;overflow:hidden;border:1px solid var(--line)}
  .talk-head{display:grid;grid-template-columns:110px 1fr;border-bottom:1px solid var(--line)}
  .time{background:var(--blue-tint);color:var(--navy);font-weight:800;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px 10px;text-align:center}
  .time b{font-size:22px;line-height:1}
  .time small{font-size:11px;font-weight:600;letter-spacing:.06em;margin-top:6px;opacity:.8}
  .head-txt{padding:20px 26px}
  .speaker{font-weight:800;color:var(--navy);font-size:20px;line-height:1.25;margin:0}
  .topic{margin:4px 0 0;font-size:15px;color:var(--muted)}
  .tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:var(--gold-tint);color:#8a6410;padding:3px 9px;border-radius:999px;margin-bottom:8px}
  .talk-body{display:grid;grid-template-columns:1.55fr 1fr;gap:0}
  .learn{padding:22px 26px 26px}
  .learn .kicker{font-weight:700;color:var(--navy);margin:0 0 12px;font-size:16px}
  .learn ul{margin:0;padding:0;list-style:none}
  .learn li{position:relative;padding:0 0 10px 26px;font-size:15px}
  .learn li::before{content:"";position:absolute;left:2px;top:.55em;width:10px;height:10px;border-radius:3px;background:var(--gold)}
  .side{background:#FAFAFA;border-left:1px solid var(--line);padding:22px 24px 26px;display:flex;flex-direction:column;gap:18px}
  blockquote{margin:0;padding:0 0 0 16px;border-left:4px solid var(--gold);font-weight:600;color:var(--navy);font-size:16px;line-height:1.5}
  blockquote cite{display:block;font-style:normal;font-weight:500;font-size:12px;color:var(--muted);margin-top:8px}
  .take h4{margin:0 0 6px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
  .take p{margin:0;font-size:14px}
  .file{font-size:12px;color:var(--muted);margin-top:auto;padding-top:10px;border-top:1px dashed var(--line)}
  .file b{color:var(--navy)}

  /* compact cards for the snackable hacks */
  .hacks{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:26px}
  .hack{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:0 6px 24px rgba(33,36,61,.06);display:flex;flex-direction:column}
  .hack .num{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--gold);text-transform:uppercase}
  .hack .speaker{font-size:19px;margin-top:4px}
  .hack .topic{margin-bottom:12px}
  .hack ul{margin:0 0 14px;padding:0;list-style:none}
  .hack li{position:relative;padding:0 0 8px 22px;font-size:14.5px}
  .hack li::before{content:"";position:absolute;left:2px;top:.55em;width:8px;height:8px;border-radius:2px;background:var(--gold)}
  .hack .take{background:var(--gold-tint);border-radius:10px;padding:12px 14px;margin-top:auto}
  .hack .take h4{color:#8a6410}
  .hack.wide{grid-column:1/-1}

  /* CLOSING */
  .closing{background:var(--navy);color:#fff}
  .closing h2.title{color:#fff}
  .closing .intro{color:rgba(255,255,255,.75)}
  .vision{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:start}
  .vision .big{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3}
  .vision .big em{font-style:normal;color:var(--gold)}
  .vision ul{margin:0;padding:0;list-style:none}
  .vision li{padding:0 0 12px 26px;position:relative;color:rgba(255,255,255,.9)}
  .vision li::before{content:"";position:absolute;left:2px;top:.55em;width:10px;height:10px;border-radius:3px;background:var(--gold)}

  footer{background:var(--ink);color:rgba(255,255,255,.6);font-size:13px;padding:34px 0;text-align:center}
  footer .logo{display:block;font-size:22px;color:#fff;margin-bottom:10px}

  @media (max-width:900px){
    .grid3{grid-template-columns:1fr}
    .talk-body{grid-template-columns:1fr}
    .side{border-left:0;border-top:1px solid var(--line)}
    .hacks{grid-template-columns:1fr}
    .vision{grid-template-columns:1fr}
  }
  @media (max-width:560px){
    .wrap{padding:0 16px}
    section{padding:52px 0}
    .talk-head{grid-template-columns:1fr}
    .time{flex-direction:row;gap:10px;justify-content:flex-start;padding:10px 16px}
    .time small{margin-top:0}
    .head-txt,.learn,.side{padding-left:18px;padding-right:18px}
    .hero{min-height:auto}
    .date{letter-spacing:.14em;font-size:12px}
  }
  @media print{
    .nav{display:none}
    .hero{min-height:auto}
    .talk,.hack,.tk{break-inside:avoid;box-shadow:none}
    section{padding:28px 0}
  }

  /* DAY SWITCHER (shared across all day pages) */
  html{scroll-padding-top:124px}
  .daybar{position:sticky;top:0;z-index:30;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.08)}
  .daybar .wrap{display:flex;align-items:center;gap:16px;height:56px}
  .brand{color:#fff;font-weight:800;font-size:14px;white-space:nowrap;text-decoration:none;letter-spacing:-.01em}
  .brand b{color:var(--gold)}
  .days{display:flex;gap:6px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
  .days::-webkit-scrollbar{display:none}
  .day{display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:rgba(255,255,255,.7);padding:6px 14px;border-radius:10px;line-height:1.15;white-space:nowrap;transition:background .15s}
  .day b{font-size:13px;font-weight:700;color:#fff}
  .day small{font-size:11px;letter-spacing:.06em}
  .day:hover{background:rgba(255,255,255,.08)}
  .day.active{background:var(--gold)}
  .day.active b,.day.active small{color:var(--navy)}
  .nav{top:56px}
  .daynext{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:14px 0 0}
  .daynext a{color:var(--gold);font-weight:700;text-decoration:none}

  /* UPCOMING DAY AGENDA */
  .soon{display:inline-block;background:var(--gold);color:var(--navy);font-weight:800;font-size:12px;letter-spacing:.14em;text-transform:uppercase;padding:8px 16px;border-radius:999px;margin-top:22px}
  .agenda{background:#fff;border-radius:0 0 var(--radius) var(--radius);border:1px solid var(--line);border-top:0;margin-top:-26px;margin-bottom:34px;overflow:hidden}
  .slot{display:grid;grid-template-columns:110px 1fr auto;align-items:center;border-top:1px solid var(--line)}
  .slot:first-child{border-top:0}
  .slot .t{background:var(--blue-tint);color:var(--navy);font-weight:800;text-align:center;padding:18px 8px;align-self:stretch;display:flex;align-items:center;justify-content:center}
  .slot .w{padding:14px 22px}
  .slot .w p{margin:0}
  .slot .w .speaker{font-size:17px}
  .slot .w .topic{font-size:14px}
  .slot .s{padding:0 22px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#8a6410;white-space:nowrap}
  .slot .s span{background:var(--gold-tint);padding:5px 10px;border-radius:999px}
  .slot.break .t{background:var(--mist)}
  .slot.break .w{font-weight:700;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:13px}

  @media (max-width:560px){
    .brand{display:none}
    .days{margin:0 auto}
    .day{padding:6px 10px}
    .slot{grid-template-columns:72px 1fr}
    .slot .t{grid-row:span 2}
    .soon{font-size:11px;letter-spacing:.08em}
    .slot .s{grid-column:2;padding:0 18px 14px}
    .slot .w{padding:12px 18px 6px}
  }