/* =========================================================
   Orbit AI Technologies Corporation — shared stylesheet
   Clean, tile-based corporate layout. No external deps
   except optional Google Fonts (Inter fallback).
   ========================================================= */
:root {
  --nav-h: 44px;
  --nav-bg: rgba(22, 22, 23, 0.92);
  --nav-text: #e8e8ed;
  --black: #000;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --ink-3: #86868b;
  --light: #f5f5f7;
  --white: #fff;
  --blue: #0071e3;
  --blue-hover: #0077ed;
  --blue-link: #0066cc;
  --blue-on-dark: #2997ff;
  --line: #d2d2d7;
  --radius: 18px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Inter, Helvetica, Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 52px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); font-size: 17px; line-height: 1.47059; letter-spacing: -0.022em;
  color: var(--ink); background: var(--white); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
body.menu-open, body.search-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: var(--blue-link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.015em; }
p { margin: 0 0 0.9em; }
:focus-visible { outline: 2px solid var(--blue-on-dark); outline-offset: 2px; border-radius: 4px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 8px; top: -60px; z-index: 1000; background: #fff; color: #000; padding: 8px 14px; border-radius: 8px; font-size: 14px; }
.skip-link:focus { top: 8px; }
.wrap { width: min(100% - 44px, 980px); margin-inline: auto; }
.wrap-wide { width: min(100% - 44px, 1240px); margin-inline: auto; }

/* ================= Global nav ================= */
.globalnav {
  position: sticky; top: 0; z-index: 100; height: var(--nav-h);
}
/* Backdrop lives on a pseudo-element so it doesn't become the containing block for the fixed mobile menu. */
.globalnav::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--nav-bg); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
}
.gn-inner { position: relative; height: 100%; display: flex; align-items: center; justify-content: space-between; width: min(100% - 44px, 1024px); margin-inline: auto; }
.gn-logo { display: flex; align-items: center; height: var(--nav-h); padding: 0 8px; color: var(--nav-text); opacity: .9; }
.gn-logo:hover { opacity: 1; }
.gn-logo svg { width: 24px; height: 24px; }
.gn-list { display: flex; align-items: center; justify-content: space-between; flex: 1; list-style: none; margin: 0 8px; padding: 0; height: 100%; max-width: 800px; }
.gn-item { height: 100%; display: flex; align-items: center; }
.gn-link {
  display: flex; align-items: center; height: 100%; padding: 0 8px; font-size: 12px; letter-spacing: -0.01em;
  color: var(--nav-text); opacity: .8; transition: opacity .2s; white-space: nowrap; background: none; border: 0; font-family: inherit; cursor: pointer;
}
.gn-link:hover, .gn-item:focus-within > .gn-link, .gn-link[aria-current="page"] { opacity: 1; text-decoration: none; }
.gn-actions { display: flex; align-items: center; }
.gn-icon {
  display: flex; align-items: center; justify-content: center; width: 36px; height: var(--nav-h);
  color: var(--nav-text); opacity: .8; background: none; border: 0; cursor: pointer; padding: 0;
}
.gn-icon:hover { opacity: 1; }
.gn-icon svg { width: 16px; height: 16px; }
.gn-menu-btn { display: none; }

/* Flyout (desktop dropdown) */
.gn-flyout {
  position: absolute; left: 50%; top: var(--nav-h); transform: translateX(-50%);
  width: 100vw; background: #161617; color: var(--nav-text);
  visibility: hidden; opacity: 0; transition: opacity .24s ease, visibility .24s;
  box-shadow: 0 30px 60px rgba(0,0,0,.35);
}
.gn-item.has-flyout:hover .gn-flyout, .gn-item.has-flyout:focus-within .gn-flyout { visibility: visible; opacity: 1; }
.gn-flyout-inner { width: min(100% - 44px, 980px); margin-inline: auto; padding: 40px 0 56px; display: flex; gap: 64px; }
.gn-flyout-col h2 { font-size: 12px; font-weight: 400; color: var(--ink-3); margin-bottom: 14px; letter-spacing: 0; }
.gn-flyout-col ul { list-style: none; margin: 0; padding: 0; }
.gn-flyout-col li + li { margin-top: 8px; }
.gn-flyout-col a { color: #e8e8ed; font-size: 24px; font-weight: 600; letter-spacing: .007em; line-height: 1.17; }
.gn-flyout-col a:hover { color: #fff; text-decoration: none; }
.gn-flyout-col.secondary a { font-size: 12px; font-weight: 600; }
.gn-flyout-col.secondary li + li { margin-top: 10px; }

/* ================= Local nav (section sub-header) ================= */
.localnav {
  position: sticky; top: var(--nav-h); z-index: 90; height: 52px;
  background: rgba(251, 251, 253, 0.8); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.12);
}
.localnav.dark { background: rgba(22,22,23,.72); border-bottom-color: rgba(255,255,255,.12); }
.ln-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.ln-title { font-size: 21px; font-weight: 600; color: var(--ink); white-space: nowrap; letter-spacing: .011em; }
.ln-title:hover { text-decoration: none; }
.localnav.dark .ln-title { color: #f5f5f7; }
.ln-links { min-width: 0; display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; overflow-x: auto; scrollbar-width: none; }
.ln-links::-webkit-scrollbar { display: none; }
.ln-links a { font-size: 12px; color: var(--ink); opacity: .85; white-space: nowrap; }
.localnav.dark .ln-links a { color: #f5f5f7; }
.ln-links a[aria-current="page"] { opacity: .5; pointer-events: none; }

/* ================= Tiles ================= */
.tile { position: relative; overflow: hidden; text-align: center; padding: 52px 22px 0; }
.tile + .tile { margin-top: 12px; }
.tile-dark { background: var(--black); color: #f5f5f7; }
.tile-light { background: var(--light); color: var(--ink); }
.tile-white { background: var(--white); color: var(--ink); }
.tile-head { position: relative; z-index: 2; }
.tile h1, .tile h2.headline { font-size: 56px; line-height: 1.07143; font-weight: 600; letter-spacing: -0.005em; }
.tile .tagline { font-size: 28px; line-height: 1.14286; font-weight: 400; letter-spacing: .007em; margin: 6px 0 0; }
.tile .subline { font-size: 17px; line-height: 1.4; color: var(--ink-2); margin: 10px 0 0; }
.tile-dark .subline { color: #a1a1a6; }
.ctas { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 18px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-width: 28px;
  padding: 11px 21px; border-radius: 980px; font-size: 17px; line-height: 1.17648; font-weight: 400; letter-spacing: -0.022em;
  border: 1px solid transparent; font-family: inherit; cursor: pointer; transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); }
.btn-secondary { color: var(--blue); border-color: var(--blue); background: transparent; }
.btn-secondary:hover { background: var(--blue); color: #fff; }
.tile-dark .btn-secondary { color: var(--blue-on-dark); border-color: var(--blue-on-dark); }
.tile-dark .btn-secondary:hover { background: var(--blue-on-dark); color: #000; }
.tile-visual { position: relative; margin: 36px auto 0; width: 100%; max-width: 1100px; }
.tile-hero { padding-top: 56px; min-height: 690px; }
.tile-hero .tile-visual { margin-top: 30px; }
.tile-std { min-height: 580px; }
.tile-std .tile-visual { max-width: 860px; }

/* Grid tiles (2-up) */
.tile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 12px 12px 0; }
.tile-grid .tile { margin: 0; min-height: 580px; padding-top: 52px; }
.tile-grid h2.headline { font-size: 40px; line-height: 1.1; }
.tile-grid .tagline { font-size: 21px; line-height: 1.19; }
.tile-grid .btn { font-size: 14px; padding: 8px 15px; }
.tile-grid .tile-visual { max-width: 480px; margin-top: 30px; }
.tiles-first { padding-top: 0; }

/* Artwork helpers */
.art-chrome { width: 100%; height: auto; }
.art-chrome .sheen { animation: sheen 7s ease-in-out infinite; }
@keyframes sheen { 0% { transform: translateX(-1400px); } 60%, 100% { transform: translateX(1400px); } }
.art-spin { transform-origin: center; animation: spin 40s linear infinite; transform-box: fill-box; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ================= Content pages ================= */
.page-hero { text-align: center; padding: 88px 22px 72px; }
.page-hero.dark { background: #000; color: #f5f5f7; }
.page-hero.light { background: var(--light); }
.page-hero .eyebrow { font-size: 17px; font-weight: 600; color: var(--ink-2); margin-bottom: 8px; }
.page-hero.dark .eyebrow { color: #a1a1a6; }
.page-hero h1 { font-size: 64px; line-height: 1.0625; font-weight: 600; letter-spacing: -0.009em; }
.page-hero .tagline { font-size: 24px; line-height: 1.25; margin: 14px auto 0; max-width: 720px; color: var(--ink-2); font-weight: 400; }
.page-hero.dark .tagline { color: #a1a1a6; }
.page-hero .ctas { margin-top: 26px; }
.page-hero.dark .btn-secondary { color: var(--blue-on-dark); border-color: var(--blue-on-dark); }
.page-hero .tile-visual { max-width: 820px; margin-top: 40px; }

.section { padding: 84px 0; }
.section.light { background: var(--light); }
.section.dark { background: #000; color: #f5f5f7; }
.section-title { font-size: 40px; line-height: 1.1; font-weight: 600; margin-bottom: 14px; }
.section-intro { font-size: 21px; line-height: 1.38; color: var(--ink-2); max-width: 760px; margin-bottom: 40px; }
.section.dark .section-intro { color: #a1a1a6; }
.center { text-align: center; }
.center .section-intro { margin-inline: auto; }
.prose { max-width: 760px; }
.prose h2 { font-size: 28px; margin: 44px 0 12px; }
.prose h3 { font-size: 21px; margin: 28px 0 8px; }
.prose p, .prose li { color: #333336; }
.prose ul { padding-left: 1.2em; }
.prose li + li { margin-top: 6px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border-radius: var(--radius); padding: 32px 28px; box-shadow: 2px 4px 12px rgba(0,0,0,.08);
  transition: transform .3s cubic-bezier(0,0,.5,1), box-shadow .3s; color: var(--ink); display: block;
}
.section:not(.light) .card { background: var(--light); box-shadow: none; }
a.card:hover { text-decoration: none; transform: scale(1.015); box-shadow: 2px 8px 24px rgba(0,0,0,.12); }
.card h3 { font-size: 21px; line-height: 1.19; margin-bottom: 8px; }
.card p { font-size: 15px; color: var(--ink-2); margin: 0; }
.card .card-kicker { font-size: 12px; font-weight: 600; color: var(--ink-2); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 10px; }
.card .more { display: inline-block; margin-top: 14px; font-size: 15px; color: var(--blue-link); }
.card-icon { width: 44px; height: 44px; margin-bottom: 18px; color: var(--ink); }
.card-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

/* Placeholder people cards */
.person { text-align: center; }
.avatar { width: 112px; height: 112px; margin: 0 auto 18px; border-radius: 50%; background: linear-gradient(145deg, #e8e8ed, #d2d2d7); display: grid; place-items: center; color: #a1a1a6; }
.avatar svg { width: 54px; height: 54px; }
.person h3 { font-size: 19px; }
.person .role { color: var(--ink-2); font-size: 15px; margin: 4px 0 0; }

/* Lists (news, updates, events, docs) */
.list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.list-item { display: grid; grid-template-columns: 160px 1fr auto; gap: 24px; align-items: baseline; padding: 26px 0; border-bottom: 1px solid var(--line); }
.list-item .meta { font-size: 14px; color: var(--ink-2); }
.list-item h3 { font-size: 21px; line-height: 1.2; margin-bottom: 6px; }
.list-item p { margin: 0; color: var(--ink-2); font-size: 15px; }
.list-item .action { font-size: 15px; white-space: nowrap; }
.tag { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 3px 8px; border-radius: 6px; background: #e8e8ed; color: #424245; margin-right: 6px; vertical-align: 2px; }
.tag.example { background: #fff4d6; color: #7a5300; }

.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 40px; margin: 0; }
.facts div { padding: 18px 0; border-bottom: 1px solid var(--line); }
.facts dt { font-size: 14px; color: var(--ink-2); }
.facts dd { margin: 4px 0 0; font-size: 19px; font-weight: 600; }

.notice {
  display: flex; gap: 12px; align-items: flex-start; background: #fff8e6; border: 1px solid #f3d27a; color: #5c4400;
  border-radius: 14px; padding: 16px 20px; font-size: 15px; margin: 0 0 32px;
}
.notice strong { color: #3d2e00; }
.placeholder { background: #fff4d6; color: #6b4a00; border-radius: 4px; padding: 0 4px; }
.tile-dark .placeholder, .dark .placeholder { background: rgba(255, 214, 102, .18); color: #ffd666; }

/* Forms */
.form { display: grid; gap: 16px; max-width: 640px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  font: inherit; font-size: 17px; color: var(--ink); background: #fff; border: 1px solid #d2d2d7; border-radius: 12px; padding: 14px 16px; width: 100%;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(0,113,227,.18); }
.field [aria-invalid="true"] { border-color: #e30000; }
.form-note { font-size: 14px; color: var(--ink-2); margin: 0; }
.form-note.error { color: #b00020; }
.form .btn { justify-self: start; }

/* ================= Footer ================= */
.footer { background: var(--light); color: var(--ink-2); font-size: 12px; line-height: 1.33337; letter-spacing: -0.01em; margin-top: 12px; }
.footer .wrap { padding: 17px 0 21px; }
.footer-notes { padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.footer-notes p { margin: 0 0 8px; }
.footer-cols { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; padding: 20px 0 30px; }
.footer-col h3 { font-size: 12px; font-weight: 600; color: var(--ink); margin-bottom: 10px; letter-spacing: -0.01em; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: #424245; }
.footer-col a:hover { color: var(--ink); text-decoration: underline; }
.footer-contact { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.footer-legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; padding-top: 14px; }
.footer-legal ul { display: flex; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.footer-legal li + li::before { content: "|"; margin: 0 8px; color: var(--line); }
.footer-legal a { color: #424245; }

/* ================= Search overlay ================= */
.search-panel { position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 99; background: #161617; color: #e8e8ed; padding: 36px 0 48px; visibility: hidden; opacity: 0; transition: opacity .2s, visibility .2s; }
.search-panel.open { visibility: visible; opacity: 1; }
.search-scrim { position: fixed; inset: var(--nav-h) 0 0 0; z-index: 98; background: rgba(0,0,0,.4); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); visibility: hidden; opacity: 0; transition: opacity .2s; }
.search-scrim.open { visibility: visible; opacity: 1; }
.search-panel input { width: 100%; background: transparent; border: 0; color: #fff; font: inherit; font-size: 24px; font-weight: 600; padding: 4px 0 12px; border-bottom: 1px solid #424245; }
.search-panel input:focus { outline: none; border-color: #86868b; }
.search-panel h2 { font-size: 12px; color: #86868b; font-weight: 400; margin: 22px 0 10px; }
.search-results { list-style: none; margin: 0; padding: 0; max-height: 50vh; overflow: auto; }
.search-results a { display: block; padding: 7px 0; color: #e8e8ed; font-size: 14px; font-weight: 600; }
.search-results a:hover { color: #fff; }

/* ================= Responsive ================= */
@media (max-width: 1068px) {
  .tile h1, .tile h2.headline { font-size: 48px; }
  .tile .tagline { font-size: 24px; }
  .tile-grid h2.headline { font-size: 32px; }
  .tile-grid .tagline { font-size: 19px; }
  .page-hero h1 { font-size: 56px; }
  .cards.four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 833px) {
  .gn-inner { width: 100%; padding: 0 8px; }
  .gn-menu-btn { display: flex; }
  .gn-list {
    position: fixed; inset: var(--nav-h) 0 0 0; z-index: 99; display: block; height: auto; max-width: none; margin: 0;
    background: #161617; padding: 16px 40px 60px; overflow-y: auto; visibility: hidden; opacity: 0; transition: opacity .25s, visibility .25s;
  }
  .gn-list.open { visibility: visible; opacity: 1; }
  .gn-item { display: block; height: auto; }
  .gn-link { font-size: 28px; font-weight: 600; opacity: 1; height: auto; padding: 8px 0; color: #e8e8ed; letter-spacing: .007em; width: 100%; text-align: left; }
  .gn-flyout { position: static; transform: none; width: auto; visibility: visible; opacity: 1; box-shadow: none; background: transparent; display: none; }
  .gn-item.expanded .gn-flyout { display: block; }
  .gn-item.has-flyout > .gn-link::after { content: ""; margin-left: auto; width: 9px; height: 9px; border-right: 2px solid #86868b; border-bottom: 2px solid #86868b; transform: rotate(45deg); transition: transform .2s; }
  .gn-item.expanded > .gn-link::after { transform: rotate(-135deg); }
  .gn-flyout-inner { width: auto; padding: 4px 0 18px 2px; display: block; }
  .gn-flyout-col + .gn-flyout-col { margin-top: 14px; }
  .gn-flyout-col h2 { margin-bottom: 8px; }
  .gn-flyout-col a { font-size: 19px; color: #d2d2d7; }
  .gn-flyout-col.secondary a { font-size: 14px; }
  .gn-actions { margin-left: auto; }
  .gn-logo { padding: 0 10px; }
  .ln-title { font-size: 19px; }
  .localnav .wrap { width: calc(100% - 32px); }
  .tile-grid { grid-template-columns: 1fr; }
  .tile h1, .tile h2.headline { font-size: 40px; }
  .tile .tagline { font-size: 21px; }
  .tile-hero { min-height: 0; padding-bottom: 40px; }
  .tile-hero .tile-visual { width: 116%; max-width: none; margin-left: -8%; margin-top: 28px; }
  .tile-std, .tile-grid .tile { min-height: 0; padding-bottom: 40px; }
  .tile-grid { padding: 12px 0 0; }
  .page-hero { padding: 64px 22px 52px; }
  .page-hero h1 { font-size: 44px; }
  .page-hero .tagline { font-size: 19px; }
  .section { padding: 60px 0; }
  .section-title { font-size: 32px; }
  .section-intro { font-size: 19px; }
  .cards, .cards.two, .cards.four { grid-template-columns: 1fr; }
  .list-item { grid-template-columns: 1fr; gap: 6px; }
  .facts { grid-template-columns: 1fr; }
  .form .row { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .footer-legal { flex-direction: column; }
}
@media (max-width: 480px) {
  .tile h1, .tile h2.headline { font-size: 36px; }
  .tile-grid h2.headline { font-size: 30px; }
  .tile .tagline { font-size: 19px; }
  .page-hero h1 { font-size: 38px; }
  .btn { font-size: 15px; padding: 9px 18px; }
  .ln-links { gap: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Footer brand mark */
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-logo { display: inline-flex; color: var(--ink); }
.footer-logo svg { width: 20px; height: 20px; }

/* Real headshot avatars */
.avatar.has-photo { width: 160px; height: 160px; background: #fff; overflow: hidden; box-shadow: 0 0 0 1px rgba(0,0,0,.06); }
.avatar.has-photo picture, .avatar-photo { display: block; width: 100%; height: 100%; }
.avatar-photo { object-fit: cover; }
.person.featured h3 { font-size: 21px; }
.person .role-note { font-size: 13px; color: var(--ink-3); margin: 4px 0 0; }

/* ================= Event hero (home, first tile) ================= */
.tile-event {
  color: #fff; padding: 0 22px 64px; min-height: 640px;
  background:
    radial-gradient(ellipse 60% 55% at 50% 22%, rgba(255,255,255,.22), rgba(255,255,255,0) 70%),
    linear-gradient(180deg, #78a7dc 0%, #6a98d2 30%, #5582c0 62%, #3f6aa8 100%);
}
.event-emblem-wrap { width: min(560px, 92vw); max-width: none; margin: -40px auto -120px; pointer-events: none; }
.event-emblem { width: 100%; height: auto; overflow: visible; }
.event-emblem .ee-bloom, .event-emblem .ee-glow { transform-box: fill-box; transform-origin: center; animation: ee-pulse 6s ease-in-out infinite; }
@keyframes ee-pulse { 0%, 100% { opacity: .62; } 50% { opacity: .9; } }
.event-head { position: relative; z-index: 2; }
.tile-event h1 { font-size: 64px; line-height: 1.0625; font-weight: 600; letter-spacing: -0.009em; text-shadow: 0 2px 24px rgba(30,60,120,.25); }
.event-sub { font-size: 21px; line-height: 1.38; font-weight: 400; margin: 14px auto 0; max-width: 640px; color: rgba(255,255,255,.95); }
.tile-event .placeholder { background: rgba(255,255,255,.18); color: #fff; }
.tile-event .ctas { margin-top: 24px; }
.btn-white { background: #fff; color: #1d1d1f; font-weight: 500; }
.btn-white:hover { background: #f0f0f2; }
.btn-white:focus-visible { outline-color: #fff; }
.notify-form { margin: 0 auto; text-align: left; max-width: 480px; }
@media (max-width: 833px) {
  .tile-event { min-height: 0; padding-bottom: 52px; }
  .event-emblem-wrap { margin: -24px auto -80px; }
  .tile-event h1 { font-size: 44px; }
  .event-sub { font-size: 19px; }
}
@media (max-width: 480px) {
  .event-emblem-wrap { width: 112vw; margin: -16px -6vw -64px; }
  .tile-event h1 { font-size: 40px; }
  .event-sub { font-size: 17px; }
}

/* ================= Photo hero (home, first tile) ================= */
.tile-photo {
  min-height: 680px; padding-top: 96px;
  background-color: #2f5f9e;
  background-image:
    linear-gradient(180deg, rgba(8, 22, 48, .42) 0%, rgba(8, 22, 48, .18) 38%, rgba(8, 22, 48, 0) 60%),
    url("assets/hero-road.jpg");
  background-image:
    linear-gradient(180deg, rgba(8, 22, 48, .42) 0%, rgba(8, 22, 48, .18) 38%, rgba(8, 22, 48, 0) 60%),
    image-set(url("assets/hero-road.webp") type("image/webp"), url("assets/hero-road.jpg") type("image/jpeg"));
  background-size: cover; background-position: center 56%; background-repeat: no-repeat;
}
.tile-photo h1, .tile-photo .event-sub { text-shadow: 0 1px 18px rgba(0, 20, 50, .35); }
.tile-photo .event-sub { max-width: 560px; }
.tile-photo .event-sub strong { font-weight: 600; }
@media (max-width: 833px) {
  .tile-photo {
    min-height: 600px; padding-top: 64px;
    background-image:
      linear-gradient(180deg, rgba(8, 22, 48, .45) 0%, rgba(8, 22, 48, .2) 45%, rgba(8, 22, 48, 0) 70%),
      url("assets/hero-road-900.jpg");
    background-image:
      linear-gradient(180deg, rgba(8, 22, 48, .45) 0%, rgba(8, 22, 48, .2) 45%, rgba(8, 22, 48, 0) 70%),
      image-set(url("assets/hero-road-900.webp") type("image/webp"), url("assets/hero-road-900.jpg") type("image/jpeg"));
    background-position: center 62%;
  }
}
.tile-grid + .tile { margin-top: 12px; }

/* Home Orbit tile: big chrome logo */
.orbit-logo-visual { max-width: 470px; margin-top: 24px; }
.art-logo-chrome { width: 100%; height: auto; overflow: visible; }
@media (max-width: 833px) { .orbit-logo-visual { max-width: 340px; } .tile-hero .orbit-logo-visual { width: 100%; margin-left: auto; } }

/* Home Orbit tile: flat solid logo. Switch color here:
   #ffffff (white, current default) or #2997ff (blue). */
:root { --orbit-logo-color: #ffffff; }
.art-logo-flat { width: 100%; height: auto; overflow: visible; }
.art-logo-flat .logo-fill { fill: var(--orbit-logo-color); }
.art-logo-flat .logo-glow { fill: var(--orbit-logo-color); opacity: .14; }

/* Orbit v1 stage tile */
.tile-stage {
  background:
    radial-gradient(ellipse 55% 60% at 50% 62%, rgba(255,255,255,.75), rgba(255,255,255,0) 70%),
    radial-gradient(ellipse 110% 90% at 50% 45%, #f2f2f5 0%, #e6e7ec 55%, #d2d4db 100%);
}
.v1-stage-visual { max-width: 760px; margin-top: 18px; }
.art-v1-stage { width: 100%; height: auto; overflow: visible; }
@media (max-width: 833px) { .v1-stage-visual { width: 112%; max-width: none; margin-left: -6%; } }

/* Time-locked "Get Orbit" button (products/orbit.html). Locked by default; script.js unlocks it. */
.timelock { margin-top: 22px; }
.timelock-btn { gap: 8px; }
.timelock-btn .tl-lock { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; overflow: visible; }
.tl-shackle { transform-box: view-box; transform-origin: 16px 11px; transition: transform .55s cubic-bezier(.3,1.5,.5,1) .12s; }
.timelock.is-unlocked .tl-shackle { transform: translateY(-3px) rotate(28deg); }
.btn-locked, .btn-locked:hover { background: #e8e8ed; color: #6e6e73; border-color: #d2d2d7; cursor: not-allowed; }
.timelock-note { margin: 10px 0 0; font-size: 14px; color: #6e6e73; }
.timelock.is-unlocked .timelock-note { color: #1d1d1f; }
.timelock-btn.is-shaking { animation: tl-shake .4s ease-in-out; }
.timelock-btn.is-shaking .tl-lock { animation: tl-jiggle .4s ease-in-out; transform-origin: 50% 70%; }
@keyframes tl-shake { 0%,100% { transform: translateX(0); } 15% { transform: translateX(-8px); } 30% { transform: translateX(7px); } 45% { transform: translateX(-6px); } 60% { transform: translateX(4px); } 75% { transform: translateX(-2px); } }
@keyframes tl-jiggle { 0%,100% { transform: rotate(0); } 20% { transform: rotate(-14deg); } 40% { transform: rotate(12deg); } 60% { transform: rotate(-8deg); } 80% { transform: rotate(4deg); } }
@media (prefers-reduced-motion: reduce) {
  /* No shake; just a brief color flash (class is removed by script.js after ~400ms). */
  .timelock-btn.is-shaking, .timelock-btn.is-shaking .tl-lock { animation: none !important; }
  .btn-locked.is-shaking { background: #d2d2d7; color: #1d1d1f; border-color: #aeaeb2; }
}
.timelock .timelock-row { justify-content: flex-start; margin-top: 0; }
/* Small gray eyebrow label above a card title */
.card p.card-eyebrow { font-size: 12px; line-height: 1.33; font-weight: 600; letter-spacing: .02em; text-transform: none; color: #86868b; margin: 0 0 6px; }
/* Event agenda: ordered keynote outline (no times) */
.agenda { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); max-width: 860px; }
.agenda-item { display: grid; grid-template-columns: 72px 1fr; gap: 16px; align-items: baseline; padding: 26px 0; border-bottom: 1px solid var(--line); }
.agenda-num { font-size: 15px; font-weight: 600; letter-spacing: .04em; color: #86868b; font-variant-numeric: tabular-nums; }
.agenda-item h3 { font-size: 21px; line-height: 1.2; margin: 0 0 6px; }
.agenda-item p { margin: 0; color: var(--ink-2); font-size: 15px; }
@media (max-width: 833px) { .agenda-item { grid-template-columns: 40px 1fr; gap: 10px; padding: 22px 0; } }

/* Executive / board profiles (leadership-page layout): label + divider, heading, 4-up photo grid */
.exec-section { padding: 28px 0 96px; }
.exec-label { font-size: 21px; line-height: 1.2; font-weight: 600; letter-spacing: .01em; padding-bottom: 14px; margin: 0; border-bottom: 1px solid #d2d2d7; }
.exec-heading { font-size: 32px; line-height: 1.125; font-weight: 500; margin: 44px 0 26px; }
.exec-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 44px 20px; }
.exec-photo { aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden; background: linear-gradient(#e2e2e6, #fafafb); }
.exec-photo picture, .exec-photo img { display: block; width: 100%; height: 100%; }
.exec-photo img { object-fit: cover; object-position: center bottom; }
.exec-name { margin: 14px 0 4px; font-size: 15px; line-height: 1.33; font-weight: 400; color: #0066cc; }
.exec-title { margin: 0; font-size: 15px; line-height: 1.4; color: #333336; }
@media (max-width: 833px) {
  .exec-section { padding: 20px 0 72px; }
  .exec-heading { font-size: 28px; margin: 32px 0 20px; }
  .exec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 14px; }
  .exec-name, .exec-title { font-size: 14px; }
}
/* Board Committees statement */
.committees-intro { padding: 72px 0 110px; }
.committees-intro .section-title { font-size: 48px; line-height: 1.08; margin-bottom: 22px; }
.lead-para { font-size: 21px; line-height: 1.45; color: #333336; margin: 0; }
@media (max-width: 833px) { .committees-intro { padding: 44px 0 72px; } .committees-intro .section-title { font-size: 34px; } .lead-para { font-size: 19px; } }
/* Breadcrumb (policy pages) */
.breadcrumb { background: var(--light); }
.breadcrumb ol { list-style: none; margin: 0 auto; padding: 16px 0 0; display: flex; flex-wrap: wrap; gap: 6px; font-size: 12px; color: var(--ink-2); }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: #86868b; }
.breadcrumb a { color: var(--ink-2); }
.breadcrumb a:hover { color: var(--blue-link); }
.breadcrumb + .page-hero { padding-top: 64px; }
/* Empty-state line (e.g. Newsroom with no announcements) */
.empty-note { margin: 4px 0 0; padding: 26px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 17px; color: var(--ink-2); }

/* ---------- Contact page email assistant ---------- */
.chat { max-width: 680px; background: var(--light); border-radius: var(--radius); padding: 24px; margin-top: 8px; }
.chat [hidden] { display: none !important; }
.chat-log { display: flex; flex-direction: column; gap: 8px; min-height: 220px; max-height: 440px; overflow-y: auto; padding: 4px 2px 12px; overscroll-behavior: contain; }
.chat-msg { max-width: 78%; padding: 9px 15px; border-radius: 20px; font-size: 17px; line-height: 1.35; overflow-wrap: anywhere; white-space: pre-wrap; animation: chat-in .25s ease-out; }
.chat-bot { align-self: flex-start; background: #fff; color: var(--ink); border-bottom-left-radius: 6px; box-shadow: 0 1px 2px rgba(0,0,0,.05); }
.chat-user { align-self: flex-end; background: var(--blue); color: #fff; border-bottom-right-radius: 6px; }
.chat-typing { display: inline-flex; gap: 4px; padding: 13px 15px; }
.chat-typing span { width: 7px; height: 7px; border-radius: 50%; background: #aeaeb2; animation: chat-dot 1s infinite ease-in-out; }
.chat-typing span:nth-child(2) { animation-delay: .15s; }
.chat-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes chat-dot { 0%, 80%, 100% { opacity: .35; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }
@keyframes chat-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.chat-chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; margin: 4px 0 12px; }
.chat-chip { font: inherit; font-size: 15px; line-height: 1.2; padding: 8px 15px; border-radius: 980px; border: 1px solid var(--blue); background: #fff; color: var(--blue); cursor: pointer; transition: background .2s, color .2s; }
.chat-chip:hover { background: var(--blue); color: #fff; }
.chat-input { display: flex; gap: 8px; align-items: center; margin-top: 4px; }
.chat-input input { flex: 1; min-width: 0; font: inherit; font-size: 17px; padding: 11px 18px; border-radius: 980px; border: 1px solid var(--line); background: #fff; color: var(--ink); }
.chat-input input:focus, .chat-preview input:focus, .chat-preview textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(0,113,227,.18); }
.chat-chip:focus-visible, .chat .btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.chat-send { flex: none; }
.chat-preview { display: grid; gap: 6px; background: #fff; border-radius: 14px; padding: 20px; margin-top: 4px; }
.chat-preview-to { margin: 0 0 6px; font-size: 14px; color: var(--ink-2); }
.chat-to { color: var(--ink); font-weight: 600; }
.chat-label { font-size: 14px; font-weight: 600; color: var(--ink); margin-top: 6px; }
.chat-preview input, .chat-preview textarea { font: inherit; font-size: 16px; line-height: 1.45; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--line); background: #fff; color: var(--ink); width: 100%; box-sizing: border-box; }
.chat-preview textarea { min-height: 260px; resize: vertical; }
.chat-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.chat-note { font-size: 14px; color: var(--ink-2); margin: 14px 0 0; }
.chat-noscript { margin: 0; }
@media (max-width: 734px) {
  .chat { padding: 16px; margin-left: -4px; margin-right: -4px; }
  .chat-msg { max-width: 86%; }
  .chat-preview { padding: 16px; }
  .chat-input input { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { .chat-msg { animation: none; } .chat-typing span { animation: none; } }