:root {
  --navy: #07162f;
  --navy-2: #0c2148;
  --ink: #17233a;
  --muted: #61708a;
  --paper: #ffffff;
  --mist: #f4f7fb;
  --line: #dce4ef;
  --blue: #2f6dcc;
  --purple: #6650a7;
  --amber: #f2ad31;
  --green: #3b9463;
  --max: 1160px;
  --shadow: 0 16px 38px rgba(7,22,47,.10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; background:var(--paper); color:var(--ink); font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; line-height:1.58; -webkit-font-smoothing: antialiased; }
a { color:var(--blue); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { text-decoration-thickness: .14em; }
img { max-width:100%; height:auto; display:block; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width:min(calc(100% - 34px), var(--max)); margin-inline:auto; }
.narrow { width:min(calc(100% - 34px), 780px); margin-inline:auto; }
.skip { position:absolute; left:-999px; top:10px; background:white; color:var(--navy); padding:.7rem 1rem; z-index:99; border-radius:.5rem; }
.skip:focus { left:10px; }
.site-header { position:sticky; top:0; z-index:50; background:rgba(7,22,47,.96); backdrop-filter: blur(12px); border-bottom:1px solid rgba(255,255,255,.08); }
.nav { min-height:70px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand { display:flex; align-items:center; gap:11px; color:white; text-decoration:none; font-weight:800; letter-spacing:-.02em; line-height:1.05; }
.brand img { width:38px; height:38px; border-radius:5px; }
.brand span { display:block; color:#b9c8e2; font-size:.72rem; font-weight:650; letter-spacing:.02em; margin-top:3px; }
.nav-links { display:flex; align-items:center; gap:6px; flex-wrap:wrap; justify-content:flex-end; }
.nav-links a { color:#dae4f6; text-decoration:none; font-weight:700; font-size:.92rem; padding:.55rem .72rem; border-radius:.6rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { background:rgba(255,255,255,.09); color:white; }
.nav-links .register { color:var(--navy); background:var(--amber); margin-left:5px; }
.nav-links .register:hover { background:#ffc35b; color:var(--navy); }
.hero { position:relative; overflow:hidden; background:var(--navy); color:white; min-height:520px; display:grid; align-items:center; }
.hero::after { content:""; position:absolute; inset:0; background:linear-gradient(90deg, rgba(7,22,47,.02) 0%, rgba(7,22,47,.05) 42%, rgba(7,22,47,.25) 100%); pointer-events:none; }
.hero-art { position:absolute; inset:0; background-image:url('../images/hero.webp'); background-size:contain; background-repeat:no-repeat; background-position:center; opacity:.97; }
.hero-content { position:relative; z-index:2; max-width:720px; padding:86px 0 82px; }
.kicker { display:inline-flex; align-items:center; gap:8px; color:#d9e4ff; font-size:.79rem; font-weight:850; letter-spacing:.09em; text-transform:uppercase; margin:0 0 18px; }
.kicker::before { content:""; width:28px; height:3px; border-radius:2px; background:var(--amber); }
h1, h2, h3 { line-height:1.08; letter-spacing:-.035em; margin:0; color:var(--navy); }
h1 { font-size:clamp(2.45rem, 6vw, 5rem); }
.hero h1 { color:white; max-width:13ch; }
h2 { font-size:clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size:1.16rem; letter-spacing:-.02em; }
.lead { font-size:clamp(1.08rem,2vw,1.32rem); line-height:1.55; max-width:650px; color:#d7e1f4; margin:20px 0 0; }
.meta-row { display:flex; gap:9px; flex-wrap:wrap; margin-top:24px; }
.pill { border:1px solid rgba(255,255,255,.20); background:rgba(5,15,34,.44); color:#eef4ff; border-radius:999px; padding:.44rem .72rem; font-size:.82rem; font-weight:700; }
.actions { display:flex; gap:10px; flex-wrap:wrap; margin-top:28px; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:.45rem; min-height:46px; padding:.75rem 1.02rem; border-radius:.72rem; font-weight:850; text-decoration:none; border:1px solid transparent; transition:transform .15s ease, background .15s ease, border .15s ease; }
.btn:hover { transform:translateY(-1px); text-decoration:none; }
.btn-primary { background:var(--amber); color:var(--navy); }
.btn-primary:hover { background:#ffc35b; }
.btn-ghost { color:white; border-color:rgba(255,255,255,.34); background:rgba(255,255,255,.06); }
.btn-ghost:hover { background:rgba(255,255,255,.12); }
.btn-dark { background:var(--navy); color:white; }
.btn-light { background:white; color:var(--navy); border-color:var(--line); }
section { padding:72px 0; }
section.compact { padding:42px 0; }
.soft { background:var(--mist); border-block:1px solid #edf1f7; }
.section-head { display:flex; align-items:end; justify-content:space-between; gap:24px; margin-bottom:28px; }
.section-copy { max-width:760px; }
.eyebrow { margin:0 0 9px; text-transform:uppercase; letter-spacing:.10em; color:var(--purple); font-size:.76rem; font-weight:900; }
.section-copy p:not(.eyebrow), .muted { color:var(--muted); }
.section-copy > p:last-child { margin:12px 0 0; font-size:1.02rem; }
.quick-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:12px; margin-top:-33px; position:relative; z-index:4; }
.quick-card { background:white; border:1px solid var(--line); box-shadow:var(--shadow); border-radius:16px; padding:20px 20px 18px; }
.quick-card strong { display:block; color:var(--navy); font-size:1.58rem; letter-spacing:-.04em; }
.quick-card span { color:var(--muted); font-size:.91rem; }
.schedule-grid { display:grid; gap:22px; }
.schedule { background:white; border:1px solid var(--line); border-radius:18px; overflow:hidden; box-shadow:0 12px 28px rgba(20,35,59,.06); }
.schedule-head { padding:24px 24px 18px; border-bottom:1px solid var(--line); }
.schedule-head h3 { font-size:1.45rem; }
.schedule-head p { margin:7px 0 0; color:var(--muted); }
.schedule-head .schedule-list { margin:18px -24px -18px; border-top:1px solid var(--line); }
.zone-switch { display:flex; gap:7px; flex-wrap:wrap; margin-top:17px; }
.zone-switch button { appearance:none; border:1px solid #cad5e4; background:#fff; color:var(--ink); border-radius:999px; padding:.42rem .7rem; font:inherit; font-size:.82rem; font-weight:800; cursor:pointer; }
.zone-switch button:hover { border-color:var(--blue); }
.zone-switch button.active { border-color:var(--navy); background:var(--navy); color:white; }
.schedule-row { display:grid; grid-template-columns:190px minmax(0,1fr) 105px; gap:18px; align-items:center; padding:15px 24px; border-bottom:1px solid #edf1f5; }
.schedule-row:last-child { border-bottom:0; }
.schedule-row[data-kind="break"] { background:#f7f5fb; }
.schedule-time { font-variant-numeric: tabular-nums; font-weight:850; color:var(--navy); white-space:normal; }
.schedule-name { font-weight:780; }
.schedule-name a { color:var(--navy); text-decoration-color:#9db5df; }
.schedule-name a:hover { color:var(--blue); }
.schedule-type { font-size:.79rem; color:var(--muted); text-align:right; }
.cards { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.card { border:1px solid var(--line); background:white; border-radius:16px; padding:22px; }
.card .tag { display:inline-flex; border-radius:999px; padding:.35rem .57rem; font-size:.73rem; font-weight:850; color:white; background:var(--purple); margin-bottom:14px; }
.card p { color:var(--muted); margin:9px 0 0; }
.media-strip { border-radius:18px; overflow:hidden; border:1px solid #cfdbea; background:var(--navy); box-shadow:var(--shadow); }
.media-strip img { width:100%; }
.register-panel { display:grid; grid-template-columns:1.1fr .9fr; gap:32px; align-items:center; }
.flyer-card { background:white; border-radius:18px; padding:10px; box-shadow:var(--shadow); border:1px solid var(--line); }
.footer { background:#061329; color:#b9c8e2; padding:30px 0; font-size:.88rem; }
.footer-row { display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.footer a { color:#dbe7fb; }
.page-hero { background:linear-gradient(135deg,var(--navy),#102c5b); color:white; padding:74px 0 60px; }
.page-hero h1 { color:white; max-width:900px; }
.page-hero .lead { margin-top:16px; max-width:780px; }
.page-hero .eyebrow { color:#c6bdf0; }
.speaker-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.speaker-card { border:1px solid var(--line); border-radius:15px; padding:20px; background:white; min-height:175px; display:flex; flex-direction:column; }
.speaker-card .session { color:var(--purple); text-transform:uppercase; font-size:.72rem; letter-spacing:.07em; font-weight:900; }
.speaker-card h3 { margin-top:10px; }
.speaker-card h3 a { color:var(--navy); }
.speaker-card p { margin:9px 0 0; color:var(--muted); font-size:.91rem; }
.speaker-card .arrow { margin-top:auto; padding-top:14px; color:var(--blue); font-weight:800; font-size:.86rem; }
.profile-layout { display:grid; grid-template-columns:minmax(0, 1fr) 285px; gap:38px; align-items:start; }
.profile-main { max-width:760px; }
.profile-section { padding:0 0 34px; margin-bottom:34px; border-bottom:1px solid var(--line); }
.profile-section:last-child { border-bottom:0; }
.profile-section h2 { font-size:1.65rem; margin-bottom:13px; }
.profile-section p { font-size:1.06rem; margin:0; }
.provisional { background:#fff7e8; border:1px solid #f3d392; border-radius:13px; padding:14px 16px; color:#684b12; font-size:.9rem; margin-bottom:24px; }
.profile-side { position:sticky; top:96px; border:1px solid var(--line); border-radius:15px; padding:20px; background:var(--mist); }
.profile-side dl { margin:0; }
.profile-side dt { font-size:.71rem; font-weight:900; letter-spacing:.08em; text-transform:uppercase; color:var(--purple); margin-top:16px; }
.profile-side dt:first-child { margin-top:0; }
.profile-side dd { margin:5px 0 0; color:var(--ink); }
.profile-side .btn { margin-top:18px; width:100%; }
.membership-flow { counter-reset:steps; display:grid; gap:13px; margin-top:24px; }
.step { position:relative; border:1px solid var(--line); border-radius:14px; padding:18px 18px 18px 58px; background:white; }
.step::before { counter-increment:steps; content:counter(steps); position:absolute; left:17px; top:17px; width:28px; height:28px; display:grid; place-items:center; border-radius:50%; background:var(--navy); color:white; font-weight:900; }
.step p { margin:6px 0 0; color:var(--muted); }
.fact-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.fact { border:1px solid var(--line); border-radius:14px; padding:20px; background:white; }
.fact strong { display:block; color:var(--navy); font-size:1.05rem; }
.fact p { color:var(--muted); margin:7px 0 0; }
.register-box { background:white; border:1px solid var(--line); border-radius:18px; padding:28px; box-shadow:var(--shadow); }
.form-placeholder { background:#fff7e8; border:1px solid #f2d08b; color:#654b18; padding:14px 16px; border-radius:12px; margin-top:20px; display:none; }
.form-placeholder.visible { display:block; }
.small { font-size:.88rem; }
hr { border:0; border-top:1px solid var(--line); margin:28px 0; }
@media (max-width: 900px) {
  .quick-grid, .cards, .speaker-grid { grid-template-columns:repeat(2,1fr); }
  .register-panel, .profile-layout { grid-template-columns:1fr; }
  .profile-side { position:static; }
}
@media (max-width: 720px) {
  .nav { align-items:flex-start; padding:11px 0; }
  .brand span { display:none; }
  .nav-links { gap:2px; }
  .nav-links a { font-size:.82rem; padding:.48rem .5rem; }
  .nav-links .hide-mobile { display:none; }
  .hero { min-height:550px; }
  .hero-art { background-position:center; opacity:.62; }
  .hero::before { content:""; position:absolute; inset:0; background:linear-gradient(90deg,rgba(7,22,47,.98) 0%,rgba(7,22,47,.92) 57%,rgba(7,22,47,.55) 100%); z-index:1; }
  .hero-content { padding:70px 0 74px; }
  .quick-grid { margin-top:-24px; }
  .schedule-row { grid-template-columns:125px 1fr; gap:12px; padding:14px 16px; }
  .schedule-type { grid-column:2; text-align:left; margin-top:-7px; }
  .cards, .speaker-grid, .fact-grid { grid-template-columns:1fr; }
  section { padding:56px 0; }
  .section-head { align-items:start; flex-direction:column; }
}
@media (max-width: 500px) {
  .container, .narrow { width:min(calc(100% - 24px), var(--max)); }
  .quick-grid { grid-template-columns:1fr 1fr; }
  .quick-card { padding:15px; }
  .quick-card strong { font-size:1.25rem; }
  .schedule-row { grid-template-columns:112px 1fr; }
  .zone-switch button { font-size:.76rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  * { transition:none !important; }
}


/* Participants */
.participant-toolbar { display:flex; align-items:end; justify-content:space-between; gap:18px; margin:0 0 22px; }
.participant-search-wrap { width:min(100%, 390px); }
.participant-search-wrap label { display:block; font-size:.75rem; font-weight:900; text-transform:uppercase; letter-spacing:.08em; color:var(--purple); margin-bottom:7px; }
.participant-search { width:100%; min-height:46px; border:1px solid #cbd6e5; border-radius:12px; padding:.72rem .86rem; font:inherit; color:var(--ink); background:white; }
.participant-search:focus { outline:3px solid rgba(47,109,204,.18); border-color:var(--blue); }
.participant-status { color:var(--muted); font-size:.9rem; font-weight:750; white-space:nowrap; padding-bottom:.7rem; }
.participant-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:13px; }
.participant-card { border:1px solid var(--line); border-radius:14px; padding:18px; background:white; min-height:132px; }
.participant-card h3 { font-size:1.04rem; }
.participant-card p { margin:7px 0 0; }
.participant-affiliation { color:var(--ink); font-size:.91rem; }
.participant-notice { border-radius:14px; padding:16px 18px; margin:0 0 22px; background:#eef5ff; border:1px solid #cbdcf5; color:#274a7b; font-size:.9rem; }
.participant-owner-note { border-radius:14px; padding:18px; background:#fff7e8; border:1px solid #f2d08b; color:#654b18; }
.participant-error { border-radius:14px; padding:18px; background:#fff0f0; border:1px solid #e6b7b7; color:#762e2e; }
.participant-empty { padding:28px 0; color:var(--muted); }
.is-unconfigured .participant-toolbar { display:none; }
@media (max-width: 900px) { .participant-grid { grid-template-columns:repeat(2,1fr); } }
@media (max-width: 650px) { .participant-toolbar { align-items:stretch; flex-direction:column; } .participant-status { padding-bottom:0; } .participant-grid { grid-template-columns:1fr; } }