/* IMEC Alumni Leadership & Prosperity Summit — Luminous Corridor system */
:root{
  --bg:#050F26;          /* night harbor */
  --surface:#0A1C44;     /* deep corridor */
  --surface-2:#0F2858;
  --line:rgba(159,180,214,.18);
  --teal:#3FC1C9;        /* webinars, interactive */
  --mint:#8EE0B4;
  --gold:#F2C46B;        /* the summit, primary action */
  --gold-2:#FFE2A3;
  --red:#C8102E;         /* hairline accent only */
  --zoom:#0B5CFF;
  --ink:#EAF0FA;
  --mist:#A9BCDD;
  --danger:#FF8A8A;
  --font:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',Consolas,monospace;
  --r:18px;
  --wrap:1200px;
  --pad:clamp(20px,4vw,40px);
  --section:clamp(56px,6.5vw,88px);
}
*,*:before,*:after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-padding-top:84px;-webkit-text-size-adjust:100%}
html.smooth{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.03em;line-height:1.05}
p{margin:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--gold);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
.ti{display:inline-block;width:1em;height:1em;vertical-align:-.15em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.section{padding:var(--section) 0;position:relative}
.eyebrow{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--teal);display:flex;align-items:center;gap:14px;margin-bottom:18px}
.eyebrow:before{content:"";width:28px;height:2px;background:currentColor}
h2{font-size:clamp(34px,4.4vw,56px)}
.section-head{max-width:760px;margin-bottom:clamp(36px,5vw,56px)}
.section-sub{color:var(--mist);margin-top:14px}
.lead{font-size:clamp(19px,1.6vw,22px);line-height:1.55;color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 16px/1 var(--font);padding:17px 26px;border-radius:999px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;white-space:nowrap}
.btn .ti{font-size:19px}
.btn-gold{background:linear-gradient(90deg,var(--gold),var(--gold-2));color:#071233;box-shadow:0 8px 30px rgba(242,196,107,.25)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(242,196,107,.38)}
.btn-ghost{border-color:rgba(234,240,250,.5);color:var(--ink);background:rgba(5,15,38,.35)}
.btn-ghost:hover{border-color:var(--teal);background:rgba(63,193,201,.1)}
.btn-sm{padding:11px 20px;font-size:15px}
.btn-block{width:100%}

/* header */
.site-header{position:fixed;inset:0 0 auto;z-index:50;transition:background .25s ease,box-shadow .25s ease,backdrop-filter .25s ease}
.site-header.scrolled{background:rgba(5,15,38,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:44px;width:auto}
.brand .brand-250{height:34px}
.brand-sep{width:1px;height:36px;background:var(--line);margin:0 2px}
.brand .brand-cluster{height:34px}
.brand .brand-nextbay{height:44px}
@media (max-width:1180px){.brand-name{display:none}}
.brand-name{font-weight:600;font-size:16px;letter-spacing:-.01em;padding-left:14px;border-left:1px solid var(--line);white-space:nowrap}
.brand-name b{font-weight:800;color:var(--gold)}
.nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:6px}
.nav a:not(.btn){display:block;padding:10px 14px;text-decoration:none;font-weight:600;font-size:15px;color:var(--mist);border-radius:10px;transition:color .2s}
.nav a:not(.btn):hover{color:var(--ink)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--ink);width:46px;height:46px;border-radius:12px;font-size:24px;cursor:pointer}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;isolation:isolate}
.hero-art{position:absolute;inset:0;z-index:-1;background:
  linear-gradient(90deg,rgba(5,15,38,.96) 0%,rgba(5,15,38,.82) 32%,rgba(5,15,38,.2) 62%,rgba(5,15,38,0) 80%),
  linear-gradient(0deg,rgba(5,15,38,1) 0%,rgba(5,15,38,0) 30%),
  url(../assets/img/hero-bay.jpg) 72% 40%/cover no-repeat}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(242,196,107,.55)}100%{box-shadow:0 0 0 36px rgba(242,196,107,0)}}
.hero-inner{padding-top:124px;padding-bottom:40px;width:100%;position:relative;z-index:1}
.facts{position:relative;z-index:1}
.hero-scene{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:0;transition:opacity .9s ease}
.hero-scene.ready{opacity:1}
.hero .eyebrow{color:var(--teal)}
.hero h1{font-size:clamp(44px,5.8vw,84px);letter-spacing:-.04em;max-width:15ch;text-shadow:0 8px 50px rgba(0,0,0,.4)}
.hero-sub{font-size:clamp(22px,2.4vw,32px);font-weight:600;color:var(--mint);margin-top:14px;letter-spacing:-.01em}
.hero-lead{max-width:560px;color:var(--mist);font-size:18px;margin-top:22px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.countdown{margin-top:32px;display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.countdown-label{font-family:var(--mono);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--mist);max-width:90px;line-height:1.4}
.cd-tiles{display:flex;gap:10px}
.cd{display:flex;flex-direction:column;align-items:center;gap:6px}
.cd-n{position:relative;font-family:var(--mono);font-weight:600;font-size:30px;line-height:1;color:var(--gold);background:linear-gradient(180deg,#0E2552 0 calc(50% - 1px),#030A1A calc(50% - 1px) calc(50% + 1px),#0B1F47 calc(50% + 1px) 100%);border:1px solid rgba(242,196,107,.35);border-radius:10px;padding:12px 10px;min-width:64px;text-align:center;font-variant-numeric:tabular-nums}
.cd-u{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--mist)}
.facts{border-top:1px solid var(--line);background:rgba(5,15,38,.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.facts-grid{display:grid;grid-template-columns:1fr 1fr 2fr 1fr}
.fact{padding:22px 24px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.fact:first-child{border-left:0;padding-left:0}
.fact .k{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal)}
.fact .v{font-weight:700;font-size:17px}
.fact:nth-child(1) .v,.fact:nth-child(2) .v{color:var(--gold)}

/* about */
.about-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,6vw,90px);align-items:start}
.about-text p+p{margin-top:18px;color:var(--mist)}
.expect{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:clamp(48px,6vw,72px)}
.expect-item{padding:30px 28px;border-radius:var(--r);background:linear-gradient(160deg,rgba(63,193,201,.1),rgba(63,193,201,.02));border:1px solid rgba(63,193,201,.28)}
.expect-item .ti{font-size:30px;color:var(--teal)}
.expect-item h3{font-size:23px;margin:18px 0 8px}
.expect-item p{color:var(--mist);font-size:16px}

/* program board — the signature */
.program{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.board{border-radius:22px;border:1px solid var(--line);background:#06112C;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.board-head,.row-btn{display:grid;grid-template-columns:190px 240px 1fr 140px 32px;align-items:center;gap:20px;padding:0 28px}
.board-head{height:48px;font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--mist);border-bottom:1px solid var(--line);background:#081634}
.board-row{border-bottom:1px solid var(--line);position:relative}
.board-row:last-child{border-bottom:0}
.board-row:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--teal)}
.board-row.gold:before{background:var(--gold);box-shadow:0 0 22px var(--gold)}
.board-row.gold{background:linear-gradient(90deg,rgba(242,196,107,.1),rgba(242,196,107,0) 70%)}
.row-btn{width:100%;min-height:104px;background:none;border:0;color:inherit;text-align:left;font:inherit;cursor:pointer;transition:background .2s}
.row-btn:hover{background:rgba(255,255,255,.025)}
.row-btn:focus-visible{outline-offset:-4px;border-radius:0}
.c-date{display:flex;flex-direction:column;gap:6px}
.c-date small,.c-session small{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mist);font-weight:500}
.flap{display:inline-flex;gap:3px;font-family:var(--mono);font-weight:600;font-size:24px;color:var(--teal)}
.gold .flap{color:var(--gold)}
.flap .ch{position:relative;display:inline-flex;justify-content:center;min-width:.82em;padding:6px 3px;background:linear-gradient(180deg,#13295F 0 calc(50% - 1px),#030A1A calc(50% - 1px) calc(50% + 1px),#0A1C44 calc(50% + 1px) 100%);border-radius:5px;line-height:1}
.flap .ch.sp,.flap .ch.sep{background:none;min-width:.45em;padding-left:0;padding-right:0}
.c-time .flap{font-size:20px}
.c-session{display:flex;flex-direction:column;gap:4px;font-size:22px;font-weight:800;letter-spacing:-.015em;line-height:1.2}
.gold .c-session small{color:var(--gold)}
.tag .ti{font-size:15px}
.tag{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:7px 12px;border-radius:999px;white-space:nowrap}
.tag-zoom{background:var(--zoom);color:#fff;box-shadow:0 0 18px rgba(11,92,255,.45)}
.tag-haifa{border:1.5px solid var(--gold);color:var(--gold);background:rgba(242,196,107,.1)}
.c-chev{font-size:22px;color:var(--mist);transition:transform .25s}
.row-btn[aria-expanded="true"] .c-chev{transform:rotate(180deg);color:var(--ink)}
.row-detail{padding:0 28px 28px calc(28px + 190px + 20px + 240px + 20px);color:var(--mist)}
.row-detail p{max-width:620px}
.cal-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.cal-links a{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;text-decoration:none;padding:9px 14px;border-radius:999px;border:1px solid var(--line);color:var(--ink);transition:border-color .2s,background .2s}
.cal-links a:hover{border-color:var(--teal);background:rgba(63,193,201,.08)}
.board-note{display:block;color:var(--mist);margin-top:20px;font-size:15px;line-height:1.5}
.board-note .ti{color:var(--teal);font-size:20px;vertical-align:-.25em;margin-right:8px}
.board-note a{color:var(--teal)}
.board-cta{margin-top:18px}

/* focus */
.focus-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.focus-card{padding:28px 24px 30px;border-radius:var(--r);background:linear-gradient(170deg,rgba(255,255,255,.06),rgba(255,255,255,.015));border:1px solid var(--line);transition:transform .25s ease,border-color .25s ease}
.focus-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--a) 60%,transparent)}
.focus-card .ti{width:56px;height:56px;padding:13px;border-radius:16px;display:block;color:#071233;background:linear-gradient(135deg,var(--a),var(--b));box-shadow:0 0 28px color-mix(in srgb,var(--a) 40%,transparent)}
.focus-card h3{font-size:21px;margin:22px 0 10px;line-height:1.2;letter-spacing:-.02em}
.focus-card p{color:var(--mist);font-size:15.5px}

/* why imec */
.imec-grid{display:grid;grid-template-columns:6fr 5fr;gap:clamp(36px,6vw,80px);align-items:center}
.imec-map{position:relative;margin:0;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.35)}
.imec-map img{width:100%;height:auto}
.pin{position:absolute;transform:translate(-9px,-50%);display:flex;align-items:center;gap:10px}
.pin-dot{width:18px;height:18px;border-radius:50%;background:var(--gold);animation:pulse 2.6s ease-out infinite}
.pin-label{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:#071233;background:var(--gold);padding:5px 9px;border-radius:6px;transform:translateX(4px)}
.imec-text p:not(.eyebrow){color:var(--mist);margin-top:18px}
.imec-text h2{font-size:clamp(30px,3.4vw,44px)}
.route{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px 0;font-family:var(--mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.route li{display:flex;align-items:center;color:var(--mist)}
.route li:not(:last-child):after{content:"";width:22px;height:1px;background:var(--gold);margin:0 10px;opacity:.6}
.route li.here span{color:#071233;background:var(--gold);padding:4px 9px;border-radius:6px;font-weight:600}

/* involve */
.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.role{display:flex;flex-direction:column;padding:32px 28px;border-radius:var(--r);border:1px solid rgba(63,193,201,.3);background:linear-gradient(160deg,rgba(63,193,201,.1),rgba(63,193,201,.02))}
.role.role-gold{border-color:rgba(242,196,107,.55);background:linear-gradient(160deg,rgba(242,196,107,.14),rgba(242,196,107,.02))}
.role .ti{font-size:32px;color:var(--teal)}
.role-gold .ti{color:var(--gold)}
.role h3{font-size:24px;margin:18px 0 8px}
.role p{color:var(--mist);font-size:16px;flex:1}
.role-link{display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:8px 0;font-weight:700;text-decoration:none;color:var(--teal)}
.role-gold .role-link{color:var(--gold)}
.role-link:hover{gap:12px}
.role-link .ti{font-size:18px;color:inherit}

/* venue */
.venue{background:var(--bg)}
.venue-grid{display:grid;grid-template-columns:5fr 6fr;gap:clamp(36px,6vw,80px);align-items:center}
.venue-text h2{font-size:clamp(32px,3.6vw,46px)}
.venue-addr{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;margin:18px 0 16px}
.venue-addr .ti{color:var(--gold);font-size:22px}
.venue-text>p:not(.eyebrow):not(.venue-addr){color:var(--mist)}
.venue-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.venue-btns .btn{padding:14px 20px;font-size:15px}
.partof{display:flex;align-items:center;gap:16px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.partof span{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--mist)}
.partof img{height:auto;max-height:76px;width:auto}
.partof img:first-of-type{max-height:52px}
.venue-media{display:grid;grid-template-rows:auto 240px;gap:14px}
.venue-media img{width:100%;height:300px;object-fit:cover;border-radius:22px;border:1px solid var(--line)}
.map-wrap{background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.venue-media iframe{display:block;width:100%;height:100%;border:0;background:transparent;filter:invert(.92) hue-rotate(180deg) saturate(.6) contrast(.95)}

/* register */
.register{background:radial-gradient(ellipse 60% 50% at 80% 30%,rgba(242,196,107,.08),transparent 70%),#071533}
.register-grid{display:grid;grid-template-columns:4fr 7fr;gap:clamp(32px,5vw,72px);align-items:start}
.register-aside{position:sticky;top:110px}
.register-aside>p:not(.eyebrow){color:var(--mist);margin-top:18px}
.register-aside h2{font-size:clamp(32px,3.6vw,46px)}
.checklist{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:12px}
.checklist li{display:flex;gap:10px;align-items:flex-start}
.checklist .ti{color:var(--mint);font-size:20px;margin-top:4px}
.note{margin-top:24px;padding:16px 18px;border:1px solid rgba(242,196,107,.5);border-left:3px solid var(--gold);border-radius:14px;background:rgba(242,196,107,.07)}
.note-k{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.note p{font-size:15px;line-height:1.55;color:var(--ink)}
.aside-dates{margin-top:30px;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.aside-dates div{display:flex;justify-content:space-between;padding:14px 18px;font-family:var(--mono);font-size:14px;border-top:1px solid var(--line)}
.aside-dates div:first-child{border-top:0}
.aside-dates .k{color:var(--teal);letter-spacing:.12em;text-transform:uppercase;font-size:12.5px}
.aside-dates .gold .k,.aside-dates .gold span{color:var(--gold)}
.form-card{background:linear-gradient(170deg,#0D2453,#0A1C44);border:1px solid rgba(169,188,221,.22);border-radius:26px;padding:clamp(24px,4vw,44px);box-shadow:0 40px 100px rgba(0,0,0,.4)}
fieldset{border:0;margin:0 0 30px;padding:0}
legend{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800;letter-spacing:-.01em;margin-bottom:18px;padding:0}
.step{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;font-family:var(--mono);font-size:14px;font-weight:600;color:#071233;background:var(--teal)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px}
.span-2{grid-column:1/-1}
.field{display:flex;flex-direction:column;gap:7px}
.field+.field{margin-top:0}
fieldset>.field{margin-bottom:22px}
label,.label{font-size:14.5px;font-weight:700;color:var(--ink)}
label em,.label em{font-style:normal;font-weight:500;color:var(--mist)}
input:not([type=checkbox]):not([type=radio]),select,textarea{width:100%;font:500 16px/1.3 var(--font);color:var(--ink);background:rgba(3,10,26,.55);border:1.5px solid rgba(169,188,221,.55);border-radius:12px;padding:14px 15px;transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;appearance:none}
select{background-image:linear-gradient(45deg,transparent 50%,var(--mist) 50%),linear-gradient(135deg,var(--mist) 50%,transparent 50%);background-position:calc(100% - 22px) 52%,calc(100% - 16px) 52%;background-size:6px 6px;background-repeat:no-repeat;padding-right:44px}
select option{background:#0A1C44;color:var(--ink)}
textarea{resize:vertical;min-height:90px}
input::placeholder,textarea::placeholder{color:rgba(169,188,221,.7)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(63,193,201,.18)}
.invalid input,.invalid select,.invalid textarea,.invalid .s-box{border-color:var(--danger)!important}
.err{font-size:13.5px;color:var(--danger);font-weight:600}
.sessions{display:grid;gap:10px;border-radius:16px}
.session{position:relative;cursor:pointer}
.session input{position:absolute;opacity:0;pointer-events:none}
.s-box{display:grid;grid-template-columns:1fr auto;grid-template-areas:"date mode" "title mode";gap:2px 14px;align-items:center;padding:15px 18px 15px 52px;border-radius:14px;border:1.5px solid rgba(169,188,221,.45);background:rgba(3,10,26,.4);position:relative;transition:border-color .2s,background .2s}
.s-box:before{content:"";position:absolute;left:18px;top:50%;width:20px;height:20px;margin-top:-10px;border-radius:6px;border:2px solid var(--mist)}
.s-date{grid-area:date;font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:var(--teal)}
.session.gold .s-date{color:var(--gold)}
.s-title{grid-area:title;font-weight:800;font-size:16.5px;letter-spacing:-.01em}
.s-mode{grid-area:mode;display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mist)}
.session input:checked+.s-box{border-color:var(--teal);background:rgba(63,193,201,.1)}
.session input:checked+.s-box:before{background:var(--teal);border-color:var(--teal)}
.session input:checked+.s-box:after{content:"";position:absolute;left:25px;top:50%;width:6px;height:11px;margin-top:-8px;border:solid #071233;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.session.gold input:checked+.s-box{border-color:var(--gold);background:rgba(242,196,107,.1)}
.session.gold input:checked+.s-box:before{background:var(--gold);border-color:var(--gold)}
.session input:focus-visible+.s-box{outline:3px solid var(--gold);outline-offset:2px}
.session.locked{cursor:default}
.session.locked .s-box{border-color:rgba(242,196,107,.75);background:rgba(242,196,107,.1)}
.session.locked .s-box:before{background:var(--gold);border-color:var(--gold)}
.req{display:inline-flex;align-items:center;gap:5px;margin-left:10px;padding:3px 9px;border-radius:999px;background:var(--gold);color:#071233;font-size:11px;letter-spacing:.1em}
.priority-note{display:flex;gap:10px;align-items:flex-start;margin-top:12px;padding:12px 14px;border-radius:12px;background:rgba(242,196,107,.1);border:1px solid rgba(242,196,107,.5);color:var(--gold-2);font-size:14.5px;font-weight:600;line-height:1.45}
.priority-note .ti{font-size:20px;flex:none;color:var(--gold)}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{position:relative;cursor:pointer;font-weight:600}
.pill input{position:absolute;opacity:0;pointer-events:none}
.pill span{display:inline-block;padding:10px 16px;border-radius:999px;border:1.5px solid rgba(169,188,221,.55);font-size:14.5px;color:var(--mist);transition:all .2s}
.pill input:checked+span{border-color:var(--teal);color:var(--ink);background:rgba(63,193,201,.15)}
.pill input:focus-visible+span{outline:3px solid var(--gold);outline-offset:2px}
#role-field .pill input:checked+span{border-color:var(--gold);background:rgba(242,196,107,.15)}
.hp{position:absolute;left:-9999px;opacity:0}
.consent-field{margin-bottom:22px}
.consent{display:flex;gap:12px;align-items:flex-start;font-weight:500;color:var(--mist);margin:4px 0 0;cursor:pointer}
.consent input{width:24px;height:24px;margin-top:0;accent-color:var(--teal);flex-shrink:0}
.form-error{background:rgba(255,138,138,.1);border:1px solid rgba(255,138,138,.45);color:var(--danger);padding:12px 16px;border-radius:12px;margin-bottom:16px;font-weight:600;font-size:15px}
#submit-btn[disabled]{opacity:.7;cursor:progress}
.form-note{margin-top:14px;font-size:14px;color:var(--mist);text-align:center}
.success{text-align:center;padding:30px 10px}
.success:focus{outline:none}
.success-icon .ti{font-size:64px;color:var(--mint)}
.success h3{font-size:34px;margin:12px 0 10px}
.success p{color:var(--mist)}
.success-cal{display:grid;gap:10px;margin:24px auto 0;max-width:460px;text-align:left}
.success-cal .item{border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.success-cal .item b{display:block;font-size:16px}
.success-cal .item span{font-family:var(--mono);font-size:13px;color:var(--teal)}
.success-cal .item.gold span{color:var(--gold)}
.success-cal .cal-links{margin-top:10px}
.preview-note{margin-top:20px;font-size:14px;color:var(--gold)!important}

/* faq */
.faq-grid{display:grid;grid-template-columns:4fr 7fr;gap:clamp(32px,5vw,72px)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:first-child{border-top:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;padding:24px 44px 24px 0;font-size:19px;font-weight:700;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:focus-visible{outline-offset:-3px}
.faq-list summary:after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:26px;color:var(--teal);transition:transform .2s}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{color:var(--mist);padding:0 44px 24px 0}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:48px 0;background:#040C20}
.footer-inner{display:grid;grid-template-columns:auto 1fr auto;gap:36px;align-items:center}
.footer-logos{display:flex;align-items:center;gap:18px}
.footer-logos img{width:auto}
.footer-logos .sep{width:1px;height:48px;background:var(--line)}
.footer-text{color:var(--mist);font-size:14.5px}
.footer-title{color:var(--ink);font-weight:800;font-size:16px;margin-bottom:4px}
.contact a{color:var(--teal)}
.legal{margin-top:6px;font-size:13px}
.legal a{color:var(--mist)}
.consent a{color:var(--teal)}

/* responsive */
@media (max-width:1080px){
  .board-head{display:none}
  .row-btn{grid-template-columns:200px 1fr auto 28px;grid-template-areas:"date session mode chev" "time session mode chev";row-gap:6px;padding:22px 24px;min-height:0}
  .c-date{grid-area:date}.c-time{grid-area:time}.c-session{grid-area:session}.c-mode{grid-area:mode}.c-chev{grid-area:chev}
  .c-date small{display:none}
  .c-time .flap{font-size:16px;gap:2px}
  .c-time .flap .ch{padding:5px 2px}
  .row-detail{padding:0 24px 24px 244px}
  .focus-grid{grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1fr;justify-items:start}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav ul{position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:12px var(--pad) 24px;background:rgba(5,15,38,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:none}
  .nav ul.open{display:flex}
  .nav a:not(.btn){padding:14px 4px;font-size:18px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-cta{margin:16px 0 0}
  .nav-cta .btn{width:100%;padding:16px}
  .site-header:has(ul.open){background:rgba(5,15,38,.97)}
  .about-grid,.imec-grid,.venue-grid,.register-grid,.faq-grid{grid-template-columns:1fr}
  .expect,.roles{grid-template-columns:1fr}
  .register-aside{position:static}
  .aside-dates{display:none}
  .register{padding-top:48px}
  .register-aside h2{font-size:30px}
  .venue-media{grid-template-rows:auto}
  .facts-grid{grid-template-columns:1fr 1fr}
  .fact{padding:16px 0;border-left:0;border-top:1px solid var(--line)}
  .fact:nth-child(-n+2){border-top:0}
  .fact:nth-child(even){padding-left:18px;border-left:1px solid var(--line)}
  .fact:nth-child(3){grid-column:1/-1;padding-left:0;border-left:0}
  .fact:nth-child(4){grid-column:1/-1;padding-left:0;border-left:0}
}
@media (max-width:640px){
  body{font-size:16px}
  .brand{gap:8px}
  .brand img{height:40px}
  .brand .brand-250{height:30px}
  .brand .brand-cluster{height:32px}
  .brand .brand-nextbay{height:40px}
  .brand-sep{height:30px;margin:0}
  .hero{min-height:auto}
  .hero-art{background:
    linear-gradient(180deg,rgba(5,15,38,.55) 0%,rgba(5,15,38,.75) 40%,rgba(5,15,38,1) 78%),
    url(../assets/img/hero-bay-mobile.jpg) 60% 0/cover no-repeat}
  .hero-inner{padding-top:120px}
  .hero-ctas .btn{width:100%}
  .countdown{gap:12px}
  .countdown-label{max-width:none;width:100%}
  .cd-n{font-size:26px;min-width:56px;padding:10px 8px}
  .row-btn{grid-template-columns:1fr auto;grid-template-areas:"date chev" "time chev" "session session" "mode mode";padding:20px}
  .c-mode{justify-self:start;margin-top:6px}
  .flap{font-size:24px}
  .c-time .flap{font-size:17px}
  .row-detail{padding:0 20px 22px}
  .focus-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .s-box{grid-template-columns:1fr;grid-template-areas:"date" "title" "mode";padding-left:50px}
  .venue-media img{height:210px}
  .partof{flex-wrap:wrap}
  .footer-logos{flex-wrap:wrap}
}
@media (prefers-reduced-motion:reduce){
  html,html.smooth{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition:none!important}
}


/* ===================== the Corridor Line & motion ===================== */
main{position:relative}
.spine{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1;overflow:visible}
.spine-glow{fill:none;stroke:#3FC1C9;stroke-opacity:.14;stroke-width:10;stroke-linecap:round}
.spine-line{fill:none;stroke:url(#spine-grad);stroke-width:2;stroke-linecap:round}
.spine-head{fill:#fff;opacity:0;transition:opacity .3s}
.station{fill:#050F26;stroke:#3FC1C9;stroke-width:2;transition:fill .35s,stroke .35s}
.station.gold{stroke:#F2C46B}
.station.lit{fill:#3FC1C9}
.station.gold.lit{fill:#F2C46B}
.station.terminus.done{fill:#8EE0B4;stroke:#8EE0B4}
.stop{fill:#050F26;stroke:#3FC1C9;stroke-width:2;transition:fill .3s}
.stop.lit{fill:#3FC1C9}
.stop-tick{stroke:#3FC1C9;stroke-opacity:.6;stroke-width:1.5;stroke-dasharray:60;stroke-dashoffset:60;transition:stroke-dashoffset .35s ease}
.stop-tick.lit{stroke-dashoffset:0}
.station.origin{animation:origin-pulse 2.6s ease-out infinite}
@keyframes origin-pulse{0%{stroke-width:2}50%{stroke-width:6;stroke-opacity:.35}100%{stroke-width:2}}
.station-ring{fill:none;stroke:#F2C46B;stroke-width:2;opacity:0}
.station-ring.ping{animation:ring 1s ease-out 1}
@keyframes ring{0%{opacity:.9;r:6px}100%{opacity:0;r:28px}}
.tick{stroke:#3FC1C9;stroke-width:2;stroke-dasharray:160;stroke-dashoffset:160;transition:stroke-dashoffset .4s ease}
.tick.gold{stroke:#F2C46B}
.tick.lit{stroke-dashoffset:0}
.particle{fill:#3FC1C9;opacity:0}
.particle.p1{fill:#F2C46B}.particle.p2{fill:#8EE0B4}

/* hero entrance */
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes push{from{transform:scale(1.06)}to{transform:scale(1)}}
html.js .hero-inner>*{animation:rise .7s cubic-bezier(.2,.7,.2,1) both}
.hero-inner>*:nth-child(2){animation-delay:.07s}.hero-inner>*:nth-child(3){animation-delay:.14s}.hero-inner>*:nth-child(4){animation-delay:.21s}.hero-inner>*:nth-child(5){animation-delay:.28s}.hero-inner>*:nth-child(6){animation-delay:.35s}.hero-inner>*:nth-child(7){animation-delay:.42s}
html.js .hero-art{animation:none;background-image:none;background-color:#050F26}
.route-cue{display:none;font-family:var(--mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--mist);margin-top:28px}
@media (min-width:1240px){.route-cue{display:block}}
.cd-n{position:relative}
.cd-n.spin::before{content:attr(data-spin);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--gold);background:inherit;border-radius:10px}

/* header progress */
.site-header::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:linear-gradient(90deg,var(--teal),var(--gold));transform:scaleX(var(--scroll,0));transform-origin:left}

/* reveals */
html.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .65s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0)*80ms)}
html.js .reveal.in{opacity:1;transform:none}

/* numbered chapters */
.eyebrow b{font-weight:600;color:var(--ink);margin-right:10px}
.eyebrow b::after{content:"—";color:var(--mist);margin-left:10px;font-weight:400}
.eyebrow:has(b)::before{display:none}

/* image tiles */
.tile-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--surface)}
.tile-media img{width:100%;height:100%;object-fit:cover;object-position:50% 60%;transform:scale(1.06);transition:transform 1.1s cubic-bezier(.2,.7,.2,1);display:block}
.in .tile-media img{transform:scale(1)}
.tile-media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,15,38,.92) 0%,rgba(5,15,38,.3) 55%,rgba(5,15,38,.06) 100%)}
@media (hover:hover){.tile:hover .tile-media img,.focus-card:hover .tile-media img{transform:scale(1.04)}}
.expect-item{padding:0 0 22px;overflow:hidden;background:var(--surface);border:1px solid var(--line)}
.expect-item .tile-media{border-radius:var(--r) var(--r) 0 0}
.expect-item .tile-media h3{position:absolute;left:22px;right:22px;bottom:18px;margin:0;font-size:23px;z-index:1;text-shadow:0 2px 14px rgba(0,0,0,.45)}
.expect-item>p{padding:18px 22px 0;margin:0}
.focus-card{padding:0 22px 24px;border:1px solid var(--line);background:var(--surface);overflow:hidden}
.focus-card:hover{transform:none;border-color:var(--line)}
.focus-card.reveal.in:hover{transform:none}
.focus-card .tile-media{margin:0 -22px}
.focus-card .ti{margin-top:-26px;position:relative;z-index:2;width:52px;height:52px;padding:12px;border:3px solid var(--surface);border-radius:14px}
.focus-card h3{font-size:20px;margin:14px 0 8px}
.focus-card p{font-size:15px}

/* departure board: stations light up, rows slide open */
.board-row::before{opacity:.45;transition:opacity .4s}
.board-row.lit::before{opacity:1}
.board-row.gold{overflow:hidden}
.board-row.gold.lit::after{content:"";position:absolute;left:0;top:0;width:4px;height:48px;background:linear-gradient(180deg,rgba(255,226,163,0),#FFE2A3,rgba(255,226,163,0));animation:rail 2.4s linear infinite;will-change:transform}
@keyframes rail{from{transform:translateY(-48px)}to{transform:translateY(320px)}}
.row-detail{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s ease;padding-bottom:0}
.row-detail.open{grid-template-rows:1fr}
.row-detail-inner{overflow:hidden;min-height:0;margin:0 -6px;padding:0 6px}
.row-detail.open .row-detail-inner{padding-bottom:26px}

/* why imec: east-to-west wipe, metro stops */
.imec-map img{-webkit-mask-image:linear-gradient(to left,#000 calc(var(--p,1)*110% - 12%),transparent calc(var(--p,1)*110%));mask-image:linear-gradient(to left,#000 calc(var(--p,1)*110% - 12%),transparent calc(var(--p,1)*110%))}
.pin-dot{animation:none}
.imec.arrived .pin-dot{animation:pulse 2.6s ease-out infinite}
.route{gap:14px 0}
.route li{position:relative;padding-left:22px}
.route li::before{content:"";position:absolute;left:0;top:50%;width:10px;height:10px;margin-top:-5px;border-radius:50%;border:2px solid var(--teal);background:var(--bg);transition:background .3s,border-color .3s}
.route li.lit::before{background:var(--teal)}
.route li.here::before{border-color:var(--gold)}
.route li.here.lit::before{background:var(--gold)}
.route li:not(:last-child)::after{background:var(--line);opacity:1;transition:background .3s}
.route li.lit:not(:last-child)::after{background:var(--gold);opacity:.75}

/* venue */
.days{list-style:none;margin:16px 0 18px;padding:0;display:flex;gap:8px}
.days li{flex:1;padding:10px 12px;border:1px solid var(--line);border-radius:12px;font-family:var(--mono);font-size:12px;color:var(--mist);letter-spacing:.06em}
.days li b{display:block;font-size:14px;color:var(--ink);font-weight:600;margin-bottom:2px}
.days li.gold{border-color:rgba(242,196,107,.7);background:rgba(242,196,107,.1)}
.days li.gold b{color:var(--gold)}
.venue-photo{overflow:hidden;border-radius:22px;border:1px solid var(--line);height:300px}
.venue-photo img{width:100%;height:100%;border:0;border-radius:0;object-fit:cover;transform:scale(1.06);transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.in .venue-photo img{transform:scale(1)}
.map-wrap{min-height:240px;display:flex;align-items:stretch}
.map-load{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:none;border:0;color:var(--ink);font:700 18px var(--font);cursor:pointer;padding:30px;min-height:240px;border-radius:22px;transition:background .2s}
.map-load .ti{font-size:34px;color:var(--gold)}
.map-load small{font:500 13px var(--mono);color:var(--mist);letter-spacing:.04em}
.map-load:hover{background:rgba(63,193,201,.07)}

/* register */
.ribbon{display:none;margin:26px 0 0;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.ribbon img{width:100%;height:auto;display:block}
.ribbon figcaption{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--mist);padding:10px 14px;border-top:1px solid var(--line)}
@media (min-width:901px){.ribbon{display:block}}
#submit-btn{transition:box-shadow .4s,transform .15s}
#submit-btn.docked{box-shadow:inset 0 1px 0 #FFF1D0,0 10px 34px rgba(242,196,107,.45)}

/* floating register button */
.float-cta{position:fixed;z-index:40;right:24px;bottom:24px;display:inline-flex;align-items:center;gap:12px;height:56px;padding:0 24px 0 12px;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--gold-2));color:#071233;font:700 16px/1 var(--font);text-decoration:none;box-shadow:0 12px 36px rgba(242,196,107,.38),inset 0 1px 0 rgba(255,255,255,.35);transition:opacity .25s,transform .25s,visibility 0s linear 0s}
.float-cta.is-hidden{opacity:0;transform:translateY(24px);visibility:hidden;pointer-events:none;transition:opacity .25s,transform .25s,visibility 0s linear .25s}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(242,196,107,.5),inset 0 1px 0 rgba(255,255,255,.35)}
.float-cta .ring{width:34px;height:34px;border-radius:50%;background:conic-gradient(#071233 calc(var(--scroll,0)*1turn),rgba(7,18,51,.18) 0);display:flex;align-items:center;justify-content:center;flex:none}
.float-cta .dot{width:24px;height:24px;border-radius:50%;background:var(--gold-2)}
.float-cta .ti{font-size:18px}
@media (min-width:1081px){.footer-inner{grid-template-columns:auto 1fr}}

@media (max-width:900px){
  .float-cta{left:16px;right:16px;bottom:calc(12px + env(safe-area-inset-bottom));justify-content:center;padding:0 20px}
  .float-cta .ring,.float-cta .t-long{display:none}
  body{padding-bottom:88px}
  html{scroll-padding-bottom:88px}
  .venue-media{grid-template-rows:auto auto}
}
@media (max-width:640px){
  .expect-item .tile-media{aspect-ratio:16/9}
  .focus-grid{grid-template-columns:1fr 1fr;gap:12px}
  .focus-card{padding:0 14px 16px}
  .focus-card .tile-media{margin:0 -14px}
  .focus-card .ti{width:40px;height:40px;padding:9px;margin-top:-20px;border-radius:11px}
  .focus-card h3{font-size:16px;margin:10px 0 6px}
  .focus-card p{font-size:13.5px}
  .route{flex-direction:column;gap:12px;margin-left:calc(-1*var(--pad));padding-left:calc(var(--pad) + 8px)}
  .route li{padding-left:8px}
  .route li::before{left:calc(-1*var(--pad) - 3px)}
  .route li:not(:last-child)::after{display:none}
  .venue-photo{height:210px}
  .eb-x{display:none}
}
@media (prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1;transform:none}
  html.js .hero-inner>*,html.js .hero-art{animation:none}
  .spine-head,.particle,.station-ring{display:none}
  .tile-media img,.venue-photo img{transform:none}
}