/* TAI-Fair 2026 — follows the layout of the TAI-Fair 2025 Google Site */
:root {
  --navy: #00296b;
  --ink: #212121;
  --nav-ink: #1f1f1f;
  --muted: #5f6368;
  --band: #eeeeee;
  --hero-ink: var(--navy);
  --red: #e02020;
  --line: #3c5a78;
  --serif: "Bitter", Georgia, serif;
  --display: "Montserrat", "Segoe UI", sans-serif;
  --wrap: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 400 17.33px/1.55 var(--serif); color: var(--ink); background: #fff; }
img { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { width: min(var(--wrap), 100% - 48px); margin-inline: auto; }
[hidden] { display: none !important; }

/* draft ribbon */
.draft {
  position: fixed; left: 14px; bottom: 14px; z-index: 80; max-width: min(430px, calc(100% - 28px));
  background: #fff8e1; color: #4a3800; border: 1px solid #efd88f; border-radius: 8px;
  font: 13px/1.45 var(--display); padding: 10px 34px 10px 14px; box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.draft b { display: block; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: #8a6400; margin-bottom: 2px; }
.draft button { position: absolute; top: 4px; right: 6px; border: 0; background: none; font-size: 20px; line-height: 1; cursor: pointer; color: #8a6400; padding: 4px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; height: 56px;
  display: flex; align-items: center; gap: 16px; padding: 0 20px 0 28px;
  background: #fff; transition: background .2s, box-shadow .2s;
}
.site-header .title { font: 400 26.67px/1 var(--serif); color: var(--nav-ink); text-decoration: none; white-space: nowrap; }
.site-header nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.site-header nav a {
  font: 400 16px/1 var(--serif); color: var(--nav-ink); text-decoration: none;
  padding: 7px 9px; border-radius: 2px; white-space: nowrap;
}
.site-header nav a:hover { text-decoration: underline; }
.site-header nav a.active { background: var(--nav-ink); color: #fff; font-weight: 600; text-decoration: none; }
.menu-btn { display: none; background: none; border: 0; padding: 8px; margin-right: 4px; cursor: pointer; color: inherit; }
/* over a banner photo: transparent header with white text until scrolled */
body.has-banner .site-header { position: fixed; left: 0; right: 0; background: transparent; }
body.has-banner .site-header .title, body.has-banner .site-header nav a { color: #fff; }
body.has-banner .site-header nav a.active { background: #fff; color: var(--nav-ink); }
body.has-banner .site-header.solid { background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,.18); }
body.has-banner .site-header.solid .title, body.has-banner .site-header.solid nav a { color: var(--nav-ink); }
body.has-banner .site-header.solid nav a.active { background: var(--nav-ink); color: #fff; }
body.has-banner .draft + .site-header { top: 0; }

/* ---------- page banner (sub pages) ---------- */
.banner {
  position: relative; height: 430px; display: grid; place-items: center; text-align: center;
  background: #333 center / cover no-repeat; color: #fff; overflow: hidden;
}
.banner::before { content: ""; position: absolute; inset: 0; background: rgba(0, 0, 0, .32); }
.banner .inner { position: relative; padding: 40px 24px 0; width: fit-content; min-width: min(745px, 100%); max-width: 100%; }
.banner h1 { font: 400 clamp(46px, 6.4vw, 84px)/1.1 var(--serif); margin: 0; text-shadow: 0 1px 12px rgba(0,0,0,.25); }
.banner-credit { position: absolute; right: 10px; bottom: 6px; font: 11px/1.3 var(--display); color: rgba(255,255,255,.85); text-shadow: 0 1px 3px rgba(0,0,0,.6); max-width: 70%; text-align: right; }
.banner .bar { height: 10px; background: var(--navy); margin: 14px auto 0; width: 100%; }

/* ---------- home hero ---------- */
.hero { display: grid; place-items: center; position: relative; padding: 72px 24px 64px; }
.hero-grid { position: relative; width: min(1400px, 100%); }
.hero-left { position: absolute; left: 0; top: 17%; }
.hero-left img { width: 200px; }
.hero-right { position: absolute; right: 0; top: 2%; display: grid; gap: 22px; justify-items: center; }
.hero-right a { display: block; }
.hero-right img.cates { width: 180px; }
.hero-right img.grc { width: 110px; }
.hero-text { text-align: center; color: var(--hero-ink); font-family: var(--display); }
.hero-text .ed { font: 400 clamp(26px, 3.2vw, 44px)/1.15 var(--display); }
.hero-text .name { font: 700 clamp(50px, 7.4vw, 104px)/1 var(--display); letter-spacing: -.01em; }
.hero-text .small { font: 400 clamp(13px, 1.25vw, 18px)/1.3 var(--display); margin-top: 6px; }
.hero-text .host { font: 400 clamp(28px, 3.5vw, 56px)/1.1 var(--display); white-space: nowrap; }
.hero-text .partners { font: 400 clamp(13px, 1.3vw, 20px)/1.3 var(--display); margin-top: 10px; }
.hero-text .tag { font: 400 clamp(22px, 2.75vw, 44px)/1.15 var(--display); margin-top: 10px; white-space: nowrap; }
.hero-text .pos { font: 400 clamp(14px, 1.55vw, 22px)/1.3 var(--display); margin-top: 8px; color: var(--muted); }
.hero-text .small, .hero-text .partners { color: var(--muted); }
.hero-text .when { font: 700 clamp(20px, 2vw, 28px)/1.3 var(--serif); margin-top: 22px; }
.hero-text .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.hero-text .cta a { text-decoration: none; }
.btn-line { font: 600 16px/1 var(--serif); color: var(--navy); border: 1.5px solid var(--navy); padding: 12px 24px; border-radius: 4px; display: inline-block; }
.btn-navy { display: inline-block; }
ul.why { margin: 0 0 18px; padding-left: 1.2em; }
ul.why li { margin: 6px 0; }
.hero .down { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); color: #757575; }
.hero .down svg { width: 34px; height: 34px; display: block; }

.band { background: var(--band); padding: 34px 20px 30px; text-align: center; }
.band p { margin: 0; font: 700 clamp(22px, 2.4vw, 32px)/1.45 var(--serif); color: var(--navy); }
.rule { height: 2px; background: var(--navy); margin: 18px auto 0; }
.navy { background: var(--navy); color: #fff; padding: 34px 0 30px; }
.navy p { margin: 0 0 12px; }
.navy a { color: #fff; }
.navy .why { margin: 16px 0 26px; }
.navy .why p { margin: 0 0 10px; }

/* schools */
.schools { padding: 60px 0 70px; }
.sec-title { font: 400 clamp(38px, 4.8vw, 64px)/1.2 var(--serif); text-align: center; margin: 0 0 10px; color: var(--ink); }
.sec-note { text-align: center; color: var(--muted); font-size: 15px; margin: 0 auto 34px; max-width: 64ch; }
.logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px 34px; }
.logo-grid figure { margin: 0; text-align: center; }
.logo-grid .logo { aspect-ratio: 1; display: grid; place-items: center; background: #fff; }
.logo-grid .logo img { width: 100%; height: 100%; object-fit: contain; }
.logo-grid figcaption { margin-top: 12px; font-size: 15.5px; line-height: 1.4; }
.logo-grid figcaption a { color: var(--ink); }

/* footer */
.site-footer { background: var(--band); padding: 16px 20px; text-align: center; }
.site-footer a.btn-foot {
  display: inline-block; min-width: 260px; padding: 7px 24px; background: var(--navy); color: #fff;
  font: 400 15px/1.3 var(--serif); text-decoration: none; border-radius: 2px;
}
.site-footer a.btn-foot:hover { background: #0b3a8c; }
.site-footer small { display: block; margin: 0; color: var(--muted); font-size: 12.5px; }

/* ---------- generic page body ---------- */
.page { padding: 40px 0 70px; }
.center { text-align: center; }
.date-line { font: 700 clamp(20px, 2vw, 26px)/1.4 var(--serif); text-align: center; margin: 0 0 24px; }
.navy-head { font: 700 clamp(26px, 2.8vw, 36px)/1.35 var(--serif); color: var(--navy); text-align: center; margin: 0; }
.muted { color: var(--muted); }
.note-line { text-align: center; color: var(--muted); font-size: 14.5px; margin: 16px auto 0; max-width: 70ch; }

/* schedule tables */
.sched-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.sched-block { background: #f5f7fb; border-radius: 10px; padding: 24px; }
.sched-title { font: 700 clamp(22px, 2.2vw, 28px)/1.2 var(--serif); color: var(--navy); text-align: center; margin: 0 0 14px; }
table.sched { border-collapse: collapse; width: 100%; font-family: var(--display); color: var(--ink); }
table.sched td { border-bottom: 1px solid #d5dce8; padding: 12px 8px; text-align: left; vertical-align: top; }
table.sched tr:last-child td { border-bottom: 0; }
table.sched td.t { font-weight: 600; font-size: 14.5px; width: 42%; white-space: nowrap; color: var(--navy); }
table.sched td.e b { display: block; font-weight: 600; font-size: 15px; line-height: 1.3; }
table.sched td.e span { display: block; font-size: 13px; margin-top: 3px; color: var(--muted); }

/* registration */
.status { font: 700 17px/1.4 Arial, sans-serif; color: var(--red); text-align: center; margin: 0; letter-spacing: .01em; }
.status.open { color: #0d7a3b; }
.hr { height: 2px; background: var(--line); margin: 26px 0 28px; }
.reg-intro { text-align: center; max-width: 70ch; margin: 0 auto 8px; }
.reg-tabs { display: flex; justify-content: center; gap: 8px; margin: 22px 0 26px; flex-wrap: wrap; }
.reg-tabs button {
  font: 600 15px/1 var(--serif); padding: 11px 18px; border: 1.5px solid var(--navy); background: #fff; color: var(--navy);
  cursor: pointer; border-radius: 2px;
}
.reg-tabs button[aria-selected="true"] { background: var(--navy); color: #fff; }
form.reg { max-width: 760px; margin: 0 auto; }
.form-card { border: 1px solid #dadce0; border-radius: 8px; padding: 22px 24px; margin-bottom: 14px; background: #fff; }
.form-card.headcard { border-top: 8px solid var(--navy); }
.form-card h2 { font: 400 26px/1.3 var(--serif); margin: 0 0 6px; }
.form-card h3 { font: 600 17px/1.3 var(--serif); margin: 0 0 14px; color: var(--navy); }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label, .field .lbl { font-size: 15px; font-weight: 600; }
.field .req { color: var(--red); }
.field .hint { font-size: 13px; color: var(--muted); font-weight: 400; }
.field input[type=text], .field input[type=email], .field input[type=tel], .field input[type=url], .field input[type=number], .field select, .field textarea {
  font: 400 16px/1.4 var(--serif); padding: 10px 12px; border: 1px solid #bdc1c6; border-radius: 4px; width: 100%; background: #fff; color: var(--ink);
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--navy); outline-offset: 0; border-color: var(--navy); }
.checks { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.checks label { font-weight: 400; display: inline-flex; align-items: center; gap: 7px; font-size: 15.5px; }
.checks input { width: 17px; height: 17px; accent-color: var(--navy); }
.field.bad input, .field.bad select, .field.bad textarea { border-color: var(--red); }
fieldset.field { border: 0; padding: 0; margin: 0; min-width: 0; }
fieldset.field legend { padding: 0; margin-bottom: 8px; }
.field .hint { display: block; margin-top: 2px; }
.opts { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 6px 18px; }
.opts.inline { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.opts label, .other-row > label { font-weight: 400; display: flex; align-items: flex-start; gap: 8px; font-size: 15px; line-height: 1.35; cursor: pointer; }
.opts input, .other-row input[type=checkbox], .other-row input[type=radio] { width: 17px; height: 17px; margin: 2px 0 0; accent-color: var(--navy); flex: none; }
.opt-group + .opt-group { margin-top: 14px; }
.opt-head { display: block; font: 600 13px/1.3 var(--display); letter-spacing: .04em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.other-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-top: 8px; }
.other-row .other-text { flex: 1; min-width: 200px; border: 1px solid #c4c7c5; border-radius: 4px; padding: 8px 10px; font: inherit; font-size: 15px; }
.field.bad .opts, .field.bad .filebox { outline: 1.5px solid var(--red); outline-offset: 6px; border-radius: 4px; }
.filebox { position: relative; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; border: 1.5px dashed #aab4c3; border-radius: 8px; padding: 14px 16px; cursor: pointer; background: #f7f9fc; }
.filebox input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.filebox:focus-within { outline: 2px solid var(--navy); outline-offset: 2px; }
.filebox .fb-main { background: var(--navy); color: #fff; font: 600 14px/1 var(--serif); padding: 10px 16px; border-radius: 4px; }
.filebox .fb-name { font-size: 14.5px; color: var(--muted); }
.filebox.has { border-style: solid; border-color: var(--navy); }
.filebox.has .fb-name { color: var(--ink); }
.info-box { background: #f1f4fa; border-left: 4px solid var(--navy); border-radius: 4px; padding: 12px 16px; font-size: 15px; }
.info-box p { margin: 0 0 6px; } .info-box p:last-child { margin: 0; }
.form-intro { margin-top: 12px; font-size: 15.5px; } .form-intro p { margin: 0 0 8px; }
.field .err { color: var(--red); font-size: 13.5px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; }
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--navy); flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.submit-row { display: flex; align-items: center; gap: 16px; margin-top: 8px; flex-wrap: wrap; }
.btn-navy { font: 600 16px/1 var(--serif); background: var(--navy); color: #fff; border: 0; padding: 13px 26px; border-radius: 4px; cursor: pointer; }
.btn-navy:disabled { opacity: .6; cursor: default; }
.form-msg { font-size: 15px; }
.form-msg.bad { color: var(--red); }
.done { text-align: center; padding: 36px 24px; }
.done h2 { font: 400 30px/1.3 var(--serif); margin: 0 0 8px; color: var(--navy); }
.alt-line { text-align: center; font-size: 15px; color: var(--muted); margin-top: 22px; }

/* GRC */
.grc-head { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 40px; padding: 90px 0 20px; }
.grc-head img { width: 190px; }
.grc-head .word { font: 700 clamp(28px, 3.4vw, 44px)/1.2 var(--serif); color: var(--navy); }
.grc-body { font-size: 15.5px; }
.grc-body p { margin: 0 0 16px; }
.grc-body ul { margin: 0 0 16px; padding-left: 22px; list-style: square; }
.grc-body li { margin-bottom: 10px; }
.grc-body a { color: var(--ink); }

/* travel */
.venue-names { margin-bottom: 36px; }
.travel-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 28px; align-items: start; }
.travel-grid iframe { width: 100%; height: 340px; border: 0; }
.travel-grid h2 { font: 400 clamp(34px, 3.4vw, 46px)/1.2 var(--serif); margin: 0 0 14px; }
.travel-grid p { margin: 0 0 12px; font-size: 15.5px; font-weight: 700; }
.travel-grid ul { margin: 0; padding-left: 20px; font-size: 15.5px; }
.travel-grid li { margin-bottom: 8px; }
.parking { margin: 36px 0 0; display: grid; grid-template-columns: 1.05fr 1fr; gap: 28px; align-items: start; }
.parking iframe { width: 100%; height: 340px; border: 0; }
.parking h2 { font: 400 clamp(34px, 3.4vw, 46px)/1.2 var(--serif); margin: 0 0 14px; }
.parking p { font-size: 15.5px; margin: 0; }

/* campus photos (travel page) */
.campus { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.campus figure { margin: 0; }
.campus .ph { aspect-ratio: 3 / 2; overflow: hidden; background: #e8e8e8; }
.campus .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.campus figure:hover .ph img { transform: scale(1.03); }
.campus figcaption { text-align: center; font-size: 15px; margin-top: 8px; }

/* two-column cards (hotels, things to do) */
.intro-p { font-size: 15.5px; margin: 0 0 30px; }
.cards2 { display: grid; grid-template-columns: 1fr 1fr; gap: 50px 30px; }
.card2 .ph { aspect-ratio: 3 / 2; background: #e8e8e8; overflow: hidden; }
.card2 .ph img { width: 100%; height: 100%; object-fit: cover; }
.card2 h3 { font: 400 clamp(26px, 2.6vw, 34px)/1.3 var(--serif); text-align: center; margin: 14px 0 12px; }
.card2 h3 a { color: var(--ink); }
.card2 .zh { display: block; font-size: 15px; color: var(--muted); margin-top: -6px; margin-bottom: 10px; text-align: center; }
.card2 p { text-align: center; font-size: 15px; margin: 0 0 8px; }
.card2 ul { font-size: 15px; margin: 12px 0 0; padding-left: 22px; list-style: square; }
.card2 ul li { margin-bottom: 4px; }
.card2 .lines p { color: var(--ink); }

/* food */
.food-title { font: 400 clamp(36px, 4vw, 52px)/1.2 var(--serif); text-align: center; margin: 60px 0 30px; }
.nm-img { aspect-ratio: 660 / 170; overflow: hidden; background: #e8e8e8; }
.nm-img img { width: 100%; height: 100%; object-fit: cover; }
.sub-title { font: 400 clamp(26px, 2.6vw, 34px)/1.3 var(--serif); margin: 14px 0 12px 6px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px 30px; }
.grid4 figure { margin: 0; text-align: center; }
.grid4 .ph { aspect-ratio: 1; overflow: hidden; background: #e8e8e8; }
.grid4 .ph img { width: 100%; height: 100%; object-fit: cover; }
.grid4 figcaption { margin-top: 10px; }
.grid4 figcaption a, .grid4 figcaption b { font: 400 19px/1.3 var(--serif); color: #1a3a6b; }
.grid4 figcaption p { margin: 8px 0 0; font-size: 14.5px; }
.grid4.names figcaption { margin-top: 0; font-size: 15px; }
.grid3 { grid-template-columns: repeat(3, 1fr); }
.grid4 .ph.wide { aspect-ratio: 3 / 2; }
.empty { text-align: center; color: var(--muted); font-size: 15px; padding: 18px; border: 1px dashed #c9c9c9; }

.credit { font-size: 11.5px; color: #9a9a9a; margin-top: 6px; text-align: left; }
.credit a { color: inherit; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .hero-left img { width: 140px; }
  .hero-right img.cates { width: 140px; }
  .hero-right img.grc { width: 86px; }
  .site-header nav a { font-size: 15px; padding: 7px 6px; }
  .site-header .title { font-size: 22px; }
}
@media (max-width: 1020px) {
  .menu-btn { display: block; }
  .site-header { padding-left: 8px; }
  .site-header nav {
    position: fixed; top: 0; left: 0; bottom: 0; width: 280px; flex-direction: column; align-items: stretch;
    background: #fff; padding: 64px 0 20px; gap: 0; transform: translateX(-100%); transition: transform .25s;
    z-index: 70;
  }
  .site-header nav.open { transform: none; box-shadow: 2px 0 12px rgba(0,0,0,.2); }
  .site-header nav a, body.has-banner .site-header nav a { color: var(--nav-ink); padding: 14px 24px; font-size: 16px; border-radius: 0; }
  .site-header nav a.active, body.has-banner .site-header nav a.active { background: #e8eaed; color: var(--nav-ink); }
  .scrim { position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 40; }
  .logo-grid, .grid4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 32px); }
  .site-header .title { font-size: 19px; }
  .hero { min-height: auto; padding: 48px 16px 64px; }
  .hero-grid { display: grid; gap: 18px; justify-items: center; }
  .hero-left, .hero-right { position: static; }
  .hero-left { order: -1; }
  .hero-text .host, .hero-text .tag { white-space: normal; }
  .hero-left img { width: 120px; }
  .hero-right { grid-auto-flow: column; align-items: center; gap: 26px; }
  .hero-right img.cates { width: 130px; }
  .hero-right img.grc { width: 70px; }
  .banner { height: 300px; }
  .logo-grid, .grid4 { grid-template-columns: repeat(2, 1fr); gap: 26px 18px; }
  .grid3 { grid-template-columns: 1fr; }
  .cards2, .travel-grid { grid-template-columns: 1fr; }
  .campus { grid-template-columns: 1fr 1fr; gap: 12px; }
  .fields { grid-template-columns: 1fr; }
  .grc-head { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 18px; padding-top: 80px; }
  .grc-head img { width: 140px; }
  .sched-grid, .parking { grid-template-columns: 1fr; }
  .sched-block { padding: 18px 14px; }
  table.sched td.t { white-space: normal; font-size: 13.5px; }
  .form-card { padding: 18px 16px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .site-header nav { transition: none; } }