:root{
  --bg:#f5f6f9;
  --bg-2:#eef0f5;
  --surface:#ffffff;
  --ink:#0f1729;
  --ink-soft:#3f4659;
  --muted:#8089a0;
  --hair:rgba(15,23,41,.10);
  --hair-soft:rgba(15,23,41,.06);
  --navy:#16223f;
  --navy-2:#243a6b;
  --violet:#7b6db0;
  --chrome-1:#aab2c2;
  --chrome-2:#3c4a6b;
  --radius:16px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-sm:0 1px 2px rgba(15,23,41,.05), 0 4px 14px rgba(15,23,41,.05);
  --shadow-md:0 2px 6px rgba(15,23,41,.06), 0 18px 50px -18px rgba(15,23,41,.20);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Hanken Grotesk",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink-soft);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.saira{font-family:"Saira",sans-serif;color:var(--ink);}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{
  font-family:"Saira",sans-serif;
  text-transform:uppercase;
  letter-spacing:.34em;
  font-weight:600;
  font-size:.72rem;
  color:var(--navy-2);
}
.chrome{
  background:linear-gradient(176deg,#c8ced9 0%,#9aa3b5 32%,#5b6580 58%,#2e3c5e 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.script{font-family:"Caveat",cursive;color:var(--violet);font-weight:600;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:"Saira",sans-serif;font-weight:600;
  text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;
  padding:.92em 1.5em;border-radius:10px;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(180deg,var(--navy-2),var(--navy));color:#fff;box-shadow:0 8px 22px -10px rgba(22,34,63,.7);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(22,34,63,.8);}
.btn-ghost{background:var(--surface);border-color:var(--hair);color:var(--ink);}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(15,23,41,.2);box-shadow:var(--shadow-sm);}
.btn svg{width:15px;height:15px}

/* ---------- NAV ---------- */
header.nav{position:sticky;top:0;z-index:50;transition:background .3s,box-shadow .3s,border-color .3s;border-bottom:1px solid transparent;}
header.nav.scrolled{background:rgba(245,246,249,.82);backdrop-filter:blur(14px);border-color:var(--hair-soft);box-shadow:0 1px 0 rgba(255,255,255,.6) inset;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:13px}
.mark{width:38px;height:38px;border-radius:9px;background:linear-gradient(150deg,var(--navy-2),var(--navy));display:grid;place-items:center;box-shadow:0 6px 16px -8px rgba(22,34,63,.7);flex:none}
.mark svg{width:20px;height:20px}
.brand-txt{display:flex;flex-direction:column;line-height:1}
.brand-name{font-family:"Saira";font-weight:700;letter-spacing:.16em;font-size:.92rem;color:var(--ink);text-transform:uppercase;white-space:nowrap}
.brand-sub{font-size:.62rem;letter-spacing:.32em;text-transform:uppercase;color:var(--muted);margin-top:4px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:.9rem;font-weight:500;color:var(--ink-soft);position:relative;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1.5px;background:var(--navy-2);transition:width .25s var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}

/* ---------- HERO ---------- */
.hero{position:relative;padding:62px 0 84px;overflow:hidden}
#net{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:200px;background:linear-gradient(to bottom,transparent,var(--bg));z-index:1;pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:10px;margin-bottom:26px}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--violet);box-shadow:0 0 0 4px rgba(123,109,176,.16);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(123,109,176,.16)}50%{box-shadow:0 0 0 7px rgba(123,109,176,.04)}}
h1.hero-title{font-size:clamp(2.6rem,6.4vw,5.4rem);line-height:.96;font-weight:700;letter-spacing:-.01em;text-transform:uppercase;margin-bottom:22px}
h1.hero-title .navyword{color:var(--navy);}
.hero-lead{font-size:1.12rem;max-width:30em;color:var(--ink-soft);margin-bottom:18px}
.hero-script{font-size:1.7rem;margin-bottom:30px;display:block}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-note{font-size:.82rem;color:var(--muted);margin-top:18px;display:flex;align-items:center;gap:8px}

/* event card */
.ev-card{
  background:var(--surface);border:1px solid var(--hair);border-radius:var(--radius);
  box-shadow:var(--shadow-md);overflow:hidden;position:relative;
}
.ev-top{background:linear-gradient(140deg,#1b2a4e,#15203b);color:#fff;padding:24px 26px 22px;position:relative;overflow:hidden}
.ev-top::before{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(123,109,176,.4),transparent 70%)}
.ev-badge{display:inline-block;font-family:"Saira";font-size:.66rem;letter-spacing:.26em;text-transform:uppercase;padding:5px 11px;border:1px solid rgba(255,255,255,.28);border-radius:50px;color:#cdd5e8;position:relative}
.ev-title{font-family:"Saira";color:#fff;font-weight:700;font-size:1.5rem;line-height:1.1;margin:14px 0 6px;text-transform:uppercase;letter-spacing:.01em;position:relative}
.ev-theme{color:#aeb8d4;font-size:.92rem;position:relative}
.ev-body{padding:8px 26px 26px}
.ev-row{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px solid var(--hair-soft)}
.ev-row:last-of-type{border-bottom:0}
.ev-ic{width:38px;height:38px;border-radius:10px;background:var(--bg-2);display:grid;place-items:center;flex:none;color:var(--navy-2)}
.ev-ic svg{width:18px;height:18px}
.ev-row .lab{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-family:"Saira";font-weight:600}
.ev-row .val{font-size:.98rem;color:var(--ink);font-weight:600}
.ev-cta{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.ev-cta .btn{width:100%;justify-content:center}
.ev-meetup,.ev-luma,.hero-details a{
  display:inline-flex;align-items:center;justify-content:center;gap:.45em;
  font-size:.82rem;font-weight:600;color:var(--navy-2);
  padding:4px 2px;transition:color .2s var(--ease),gap .2s var(--ease);
}
.ev-meetup svg,.ev-luma svg{width:13px;height:13px;opacity:.75}
.ev-meetup:hover,.ev-luma:hover,.hero-details a:hover{color:var(--ink);gap:.6em}
.hero-details{display:flex;align-items:center;gap:.55em;flex-wrap:wrap;margin-top:2px}
.hero-details .sep{color:var(--muted);font-size:.82rem;user-select:none}

/* ---------- SECTIONS ---------- */
section{position:relative}
.band{padding:96px 0}
.band.tight{padding:72px 0}
.sec-head{max-width:680px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(2rem,4vw,3rem);line-height:1.04;text-transform:uppercase;font-weight:700;letter-spacing:-.005em;margin:14px 0 16px}
.sec-head p{font-size:1.06rem;color:var(--ink-soft)}

/* about */
.about{background:var(--surface);border-top:1px solid var(--hair-soft);border-bottom:1px solid var(--hair-soft)}
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.feat-card{background:var(--bg);border:1px solid var(--hair-soft);border-radius:14px;padding:22px 20px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.feat-card .fi{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(150deg,#e9ecf4,#dde1ec);color:var(--navy-2);margin-bottom:14px}
.feat-card .fi svg{width:20px;height:20px}
.feat-card h4{font-size:1.02rem;margin-bottom:5px;letter-spacing:.01em}
.feat-card p{font-size:.9rem;color:var(--ink-soft)}
.about-figure{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--hair);box-shadow:var(--shadow-md);aspect-ratio:4/5;background:#0e1830}
.ph{position:relative;width:100%;height:100%;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 12px,rgba(255,255,255,0) 12px 24px);display:grid;place-items:center}
.ph .ph-lab{font-family:"Saira";font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.55);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);padding:7px 13px;border-radius:50px}
.about-stats{display:flex;gap:34px;margin-top:34px;flex-wrap:wrap}
.stat .n{font-family:"Saira";font-weight:700;font-size:2.2rem;color:var(--ink);line-height:1}
.stat .l{font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:6px}

/* schedule */
.sched{display:flex;flex-direction:column;gap:14px}
.sched-row{display:grid;grid-template-columns:120px 1fr auto;gap:26px;align-items:center;background:var(--surface);border:1px solid var(--hair-soft);border-radius:14px;padding:22px 26px;transition:border-color .25s,box-shadow .25s,transform .25s}
.sched-row:hover{border-color:var(--hair);box-shadow:var(--shadow-sm);transform:translateX(3px)}
.sched-row.next{border-color:rgba(36,58,107,.4);box-shadow:0 0 0 1px rgba(36,58,107,.18),var(--shadow-sm)}
.sd-date{text-align:center}
.sd-date .mo{font-family:"Saira";text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;color:var(--navy-2);font-weight:600}
.sd-date .num{font-family:"Saira";font-size:2.1rem;font-weight:700;color:var(--ink);line-height:1}
.sd-date .num.tba{font-size:1.1rem;letter-spacing:.12em;padding-top:8px}
.sd-main h4{font-size:1.12rem;margin-bottom:3px}
.sd-main p{font-size:.9rem;color:var(--ink-soft)}
.sd-tag{font-family:"Saira";font-size:.64rem;text-transform:uppercase;letter-spacing:.16em;font-weight:600;padding:5px 11px;border-radius:50px;border:1px solid var(--hair);color:var(--muted)}
.sd-tag.live{color:#1f5f3f;border-color:rgba(31,95,63,.28);background:rgba(31,95,63,.07)}

/* speakers */
.spk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.spk{background:var(--surface);border:1px solid var(--hair-soft);border-radius:var(--radius);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.spk:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.is-hidden{display:none!important}
.spk-img{aspect-ratio:1;background:#0e1830;position:relative;overflow:hidden}
.spk-img img{width:100%;height:100%;object-fit:cover;object-position:center top}
.spk-info{padding:18px 18px 20px}
.spk-info h4{font-size:1.04rem;margin-bottom:3px}
.spk-info .role{font-size:.82rem;color:var(--navy-2);font-weight:600}
.spk-info .org{font-size:.82rem;color:var(--muted);margin-top:2px}
.spk.tbd .spk-img{display:grid;place-items:center;background:var(--bg-2)}
.spk.tbd .spk-img span{font-family:"Saira";font-size:2.4rem;color:var(--muted)}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:150px;gap:14px}
.gal .ph{border-radius:14px;overflow:hidden;background:#0e1830}
.gal a{display:block;border-radius:14px;overflow:hidden;cursor:pointer;transition:transform .35s var(--ease)}
.gal a:hover{transform:scale(.985)}
.g-wide{grid-column:span 3}
.g-tall{grid-row:span 2}
.g-sq{grid-column:span 2}
.g-sm{grid-column:span 2}

/* sponsors */
.sponsors{background:var(--surface);border-top:1px solid var(--hair-soft);border-bottom:1px solid var(--hair-soft)}
.spon-head{text-align:center;margin-bottom:34px}
.spon-head .eyebrow{display:block;margin-bottom:8px}
.spon-head p{font-size:.96rem;color:var(--muted)}
.spon-strip{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:18px 46px;margin-bottom:42px}
.spon-logo{height:34px;display:flex;align-items:center;gap:9px;color:var(--muted);opacity:.7;transition:opacity .25s,color .25s;font-family:"Saira";font-weight:600;letter-spacing:.04em;font-size:1.1rem}
.spon-logo:hover{opacity:1;color:var(--ink-soft)}
.spon-logo .glyph{width:26px;height:26px;border-radius:7px;border:1.5px solid currentColor;display:grid;place-items:center;font-size:.8rem}
.spon-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(140deg,#1b2a4e,#141f39);border-radius:var(--radius);padding:30px 38px;color:#fff;flex-wrap:wrap;position:relative;overflow:hidden}
.spon-cta::before{content:"";position:absolute;right:-30px;bottom:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(123,109,176,.35),transparent 70%)}
.spon-cta .sc-txt{position:relative}
.spon-cta h3{color:#fff;font-size:1.45rem;text-transform:uppercase;letter-spacing:.01em;margin-bottom:5px}
.spon-cta p{color:#aeb8d4;font-size:.95rem;max-width:42ch}
.spon-cta .btn{position:relative;background:#fff;color:var(--navy)}
.spon-cta .btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(0,0,0,.5)}

/* faq */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--hair-soft)}
.faq-q{width:100%;text-align:left;background:none;border:0;cursor:pointer;padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;font-family:"Saira";font-weight:600;font-size:1.12rem;color:var(--ink)}
.faq-q .ic{width:26px;height:26px;flex:none;border-radius:50%;border:1px solid var(--hair);display:grid;place-items:center;transition:transform .3s var(--ease),background .3s,border-color .3s,color .3s;color:var(--ink-soft)}
.faq-item.open .faq-q .ic{transform:rotate(45deg);background:var(--navy);border-color:var(--navy);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a p{padding:0 0 24px;color:var(--ink-soft);font-size:1rem;max-width:64ch}
.faq-a a{color:var(--navy-2);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.faq-a a:hover{color:var(--ink)}

/* newsletter */
.news{background:linear-gradient(155deg,#16223f,#0f1830);color:#fff;border-radius:var(--radius);padding:56px clamp(28px,5vw,72px);position:relative;overflow:hidden}
.news::before{content:"";position:absolute;left:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(123,109,176,.4),transparent 70%)}
.news-inner{position:relative;display:grid;grid-template-columns:1fr .9fr;gap:44px;align-items:center}
.news h2{color:#fff;font-size:clamp(1.8rem,3.4vw,2.6rem);text-transform:uppercase;line-height:1.04;margin-bottom:12px}
.news p{color:#aeb8d4;font-size:1.02rem;max-width:42ch}
.hp{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.news-form{display:flex;gap:10px;flex-wrap:wrap;position:relative}
.news-form input{flex:1;min-width:200px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:.95em 1.1em;color:#fff;font-family:inherit;font-size:.95rem;transition:border-color .2s,background .2s}
.news-form input::placeholder{color:#8e98b4}
.news-form input:focus{outline:none;border-color:rgba(123,109,176,.7);background:rgba(255,255,255,.12)}
.news-form .btn{background:#fff;color:var(--navy)}
.news-form .btn:hover{transform:translateY(-2px)}
.news-mini{font-size:.78rem;color:#7e88a6;margin-top:14px}

/* footer */
footer{padding:64px 0 40px;border-top:1px solid var(--hair-soft);margin-top:6px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:48px}
.foot-grid.has-connect{grid-template-columns:1.4fr 1fr 1fr 1fr}
.foot-brand p{font-size:.92rem;color:var(--muted);margin-top:18px;max-width:30ch}
.foot-col h5{font-family:"Saira";text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;color:var(--ink);margin-bottom:16px}
.foot-col a{display:block;font-size:.92rem;color:var(--ink-soft);margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:var(--navy-2)}
.foot-soc{display:flex;gap:10px;margin-top:18px}
.foot-soc a{width:38px;height:38px;border-radius:9px;border:1px solid var(--hair);display:grid;place-items:center;color:var(--ink-soft);transition:.25s}
.foot-soc a:hover{border-color:var(--navy-2);color:var(--navy-2);transform:translateY(-2px)}
.foot-soc svg{width:17px;height:17px}
.foot-bot{display:flex;align-items:center;justify-content:space-between;padding-top:26px;border-top:1px solid var(--hair-soft);font-size:.84rem;color:var(--muted);flex-wrap:wrap;gap:12px}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* toast */
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,140%);background:var(--ink);color:#fff;padding:14px 22px;border-radius:12px;font-size:.9rem;z-index:200;box-shadow:0 18px 50px -12px rgba(0,0,0,.5);transition:transform .45s var(--ease);display:flex;align-items:center;gap:11px;max-width:90vw}
.toast.show{transform:translate(-50%,0)}
.toast .dot{width:8px;height:8px;border-radius:50%;background:var(--violet);flex:none}

@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:42px}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-figure{aspect-ratio:16/10;max-width:520px}
  .spk-grid{grid-template-columns:repeat(2,1fr)}
  .news-inner{grid-template-columns:1fr;gap:26px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .gal{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:760px){
  .nav-links,.nav-cta .btn{display:none}
  .burger{display:flex}
  .nav-links.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:0;background:rgba(245,246,249,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--hair);padding:8px 28px 18px}
  .nav-links.open a{padding:14px 0;border-bottom:1px solid var(--hair-soft);width:100%}
  .nav-links.open a::after{display:none}
  .feat{grid-template-columns:1fr}
  .sched-row{grid-template-columns:84px 1fr;gap:18px}
  .sched-row .sd-tag{grid-column:2;justify-self:start}
  .spk-grid{grid-template-columns:1fr 1fr;gap:16px}
  .gal{grid-template-columns:repeat(2,1fr);grid-auto-rows:130px}
  .g-wide,.g-sq,.g-sm{grid-column:span 2}
  .spon-cta{flex-direction:column;align-items:flex-start;text-align:left}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .band{padding:72px 0}
}