:root { --ink:#1c2b31; --muted:#64736f; --line:#dde4df; --paper:#f6f5f0; --purple:#7155a5; --blue:#356c83; --mint:#26756c; --gold:#af5b37; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:90px; }
body { margin:0; background:var(--paper); color:var(--ink); font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif; -webkit-font-smoothing:antialiased; }
a { color:#286b77; text-underline-offset:4px; }
button,input { font:inherit; }
button,a,input,summary { -webkit-tap-highlight-color:transparent; }
:focus-visible { outline:3px solid #33867e; outline-offset:4px; }
.wrap { width:min(1120px,calc(100% - 64px)); margin:auto; }
.skip-link { position:fixed; top:8px; left:12px; z-index:200; padding:10px 18px; background:white; transform:translateY(-160%); }
.skip-link:focus { transform:none; }
.hero { padding:74px 0 68px; color:#fff; background:linear-gradient(90deg,rgba(9,27,33,.93),rgba(9,27,33,.52) 65%,rgba(9,27,33,.23)),url('aurora-fairbanks-representative.webp') center 56%/cover; }
.eyebrow { font-size:.76rem; letter-spacing:.19em; text-transform:uppercase; color:#d3e9df; }
h1 { font-size:clamp(2.6rem,6.2vw,4.8rem); line-height:1.2; letter-spacing:-.04em; font-weight:650; margin:22px 0; }
h1 em { color:#b7dfc4; font-style:normal; }
.subtitle { max-width:560px; color:#e1e9e6; font-size:1rem; margin:0; }
.hero-actions { display:flex; gap:12px; flex-wrap:wrap; margin-top:28px; }
.button { display:inline-flex; justify-content:center; align-items:center; min-height:46px; padding:8px 19px; border:1px solid #9eaead; border-radius:7px; background:transparent; color:#fff; text-decoration:none; cursor:pointer; }
.button:first-child { background:#e2eedf; color:#213b33; border-color:#e2eedf; }
.button:hover { background:#fff; color:#203a32; }
.hero-meta { display:flex; flex-wrap:wrap; gap:8px 24px; margin-top:34px; color:#c7d8d1; font-size:.82rem; }
.trip-nav { position:sticky; top:0; z-index:40; background:rgba(246,245,240,.97); border-bottom:1px solid var(--line); }
.trip-nav .wrap { display:flex; gap:6px; overflow-x:auto; scrollbar-width:thin; padding:10px 0; }
.trip-nav a { flex-shrink:0; padding:8px 14px; border-radius:6px; color:#52645c; font-size:.86rem; font-weight:650; text-decoration:none; }
.trip-nav a:hover,.trip-nav a[aria-current] { color:#163c32; background:#e3e9df; }
main { padding:32px 0 60px; }
.grid { display:grid; grid-template-columns:repeat(12,minmax(0,1fr)); gap:24px; }
.card { grid-column:span 12; min-width:0; padding:30px; border:1px solid var(--line); border-radius:14px; background:#fffefa; }
.half { grid-column:span 6; }
h2 { font-size:1.5rem; letter-spacing:-.025em; line-height:1.4; margin:0 0 18px; font-weight:650; }
h3 { font-size:1.04rem; margin:20px 0 8px; }
p { margin:8px 0; }
ul,ol { padding-left:22px; }
.tag { display:inline-block; color:#3c655d; font-size:.75rem; letter-spacing:.04em; padding:3px 8px; background:#eaf0e8; border-radius:4px; margin:0 6px 10px 0; }
.tag.purple { color:#69508d; background:#f0eaf6; }
.tag.gold { color:#915326; background:#faefdc; }
.section-intro { color:var(--muted); font-size:.87rem; margin:-6px 0 20px; }
.callout { margin:16px 0 0; padding:14px 16px; border-left:3px solid #74a5a1; background:#eef4ef; color:#3a5f59; font-size:.9rem; border-radius:0 6px 6px 0; }
.warn { border-left-color:#c89951; background:#fbf3e7; color:#815b30; }
.flight-meta { display:flex; flex-wrap:wrap; gap:6px 20px; color:var(--muted); font-size:.8rem; margin-bottom:18px; }
table { width:100%; border-collapse:collapse; font-size:.9rem; }
th,td { text-align:left; padding:14px 12px; vertical-align:top; border-bottom:1px solid var(--line); }
th { color:var(--muted); font-size:.76rem; font-weight:500; }
.flight-table td:first-child { font-weight:750; color:#365b65; }
.flight-time { font-size:1.4rem; color:var(--ink); line-height:1.7; font-variant-numeric:tabular-nums; }
.status-confirmed { color:#287565; font-size:.8rem; }
.status-pending { color:#96642c; }
.photo-strip { grid-column:span 12; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.photo-card { position:relative; height:220px; border-radius:10px; overflow:hidden; background:#23433a; }
.photo-card::after { content:""; position:absolute; inset:25% 0 0; background:linear-gradient(transparent,rgba(8,23,25,.8)); }
.photo-card img { width:100%; height:100%; object-fit:cover; display:block; }
.photo-card .photo-griffith { object-position:50% 65%; }
.photo-card .photo-alcatraz { object-position:50% 57%; }
.photo-credit { position:absolute; top:9px; right:9px; z-index:2; padding:3px 7px; border-radius:4px; background:rgba(8,23,25,.7); color:#fff; font-size:12px; text-decoration:none; }
.photo-credit:hover { background:#203d35; text-decoration:underline; }
.photo-caption { position:absolute; z-index:1; bottom:14px; left:18px; right:12px; color:#fff; line-height:1.5; }
.photo-caption strong { display:block; font-weight:650; }
.photo-caption span { font-size:.75rem; color:#d3dfd8; }
.schedule-card { padding:32px; }
.schedule-city { --city:#356c83; --city-chip:#eaf2f6; --city-line:#d6e5ec; margin-top:26px; scroll-margin-top:90px; }
.city-fairbanks { --city:#7155a5; --city-chip:#f0ebf7; --city-line:#e1d8ef; }
.city-los-angeles { --city:#ad5b3b; --city-chip:#fbefe6; --city-line:#f0d9c9; }
.city-san-francisco { --city:#26756c; --city-chip:#e9f3ee; --city-line:#cde3d9; }
.schedule-city h3 { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:8px; color:var(--city); background:var(--city-chip); border-left:4px solid var(--city); border-radius:0 8px 8px 0; padding:14px 18px; font-size:1.15rem; margin:0 0 6px; }
.schedule-city h3::after { content:attr(data-note); font-size:.75rem; font-weight:500; }
.day { display:grid; grid-template-columns:145px minmax(0,1fr); gap:20px; padding:24px 12px; border-bottom:1px solid var(--line); }
.day:last-child { border-bottom:0; }
.date { font-variant-numeric:tabular-nums; color:var(--city); font-weight:650; }
.day-number { display:block; color:#8b958c; font-size:.66rem; letter-spacing:.16em; margin-bottom:4px; }
.day > div > strong { display:block; font-size:1.1rem; font-weight:650; line-height:1.6; }
.route { display:block; margin:8px 0 12px; color:#6d786f; font-size:.8rem; line-height:1.9; }
.day p { color:#45564e; font-size:.94rem; }
.day-option { margin-top:16px; padding:12px 14px; border:1px solid var(--city-line); border-radius:8px; background:var(--city-chip); }
.day-option summary { color:var(--city); font-size:.9rem; }
.day-option p { margin-top:10px; }
.day-tip { margin:14px 0 4px; padding-left:12px; border-left:2px solid var(--city-line); font-size:.86rem; color:#5e6f64; }
.time-label { display:inline-block; font-size:.72rem; line-height:1.8; padding:1px 6px; margin-right:6px; border-radius:4px; background:var(--city-chip,#eef3ef); color:var(--city,#35675f); font-weight:650; font-variant-numeric:tabular-nums; white-space:nowrap; }
.activity-list { display:grid; gap:9px; margin:14px 0; padding:0; list-style:none; }
.activity-list li { display:grid; grid-template-columns:90px minmax(0,1fr); gap:12px; font-size:.92rem; color:#41564b; }
.activity-time { color:var(--city); font-size:.76rem; font-weight:650; padding-top:2px; }
.day-meta { display:flex; flex-wrap:wrap; gap:6px 20px; padding-top:8px; color:#717c73; font-size:.77rem; }
.map-link { display:inline-flex; padding:4px 0; min-height:32px; color:var(--city); }
.booking-list { list-style:none; padding:0; display:grid; grid-template-columns:1fr 1fr; gap:0 24px; }
.booking-list li { border-bottom:1px solid var(--line); padding:13px 0; }
.booking-list label { display:flex; gap:12px; cursor:pointer; align-items:flex-start; font-size:.9rem; }
.booking-list input { flex-shrink:0; width:18px; height:18px; margin:6px 0 0; accent-color:#287568; }
.booking-list input:checked + span { color:#718176; text-decoration:line-through; }
.booking-status { color:#5d7166; font-size:.85rem; }
.booking-progress { width:100%; height:6px; accent-color:#3d8372; margin:6px 0 10px; }
details { padding:14px 0; border-top:1px solid var(--line); }
summary { cursor:pointer; font-weight:600; color:#395b51; min-height:30px; }
details p { font-size:.9rem; color:#5e6f64; }
.glossary > details { border:0; padding:0; }
.glossary > details > summary { font-size:1.2rem; }
.glossary table { table-layout:fixed; overflow-wrap:anywhere; }
.term { display:inline; color:inherit; border-bottom:1px dotted #819d94; cursor:help; -webkit-box-decoration-break:clone; box-decoration-break:clone; }
.term::after { display:none; }
.tooltip { position:fixed; z-index:100; padding:13px 17px; border-radius:9px; color:#fff; background:#203d35; box-shadow:0 12px 36px #172b3026; max-width:min(340px,calc(100vw - 24px)); line-height:1.6; font-size:.85rem; pointer-events:none; }
.tooltip[hidden] { display:none; }
.print-note { color:#819087; font-size:.75rem; text-align:center; margin:24px 0 0; }
@media(max-width:760px) {
  .wrap { width:calc(100% - 28px); } .hero { padding:48px 0 38px; background-position:64% center; } h1 { font-size:2.7rem; }
  .hero-meta { gap:6px 14px; font-size:.75rem; } .trip-nav a { padding:8px 10px; font-size:.8rem; }
  .grid { gap:18px; } .half { grid-column:span 12; } .card { padding:22px 18px; } .schedule-card { padding:22px 14px; }
  .photo-strip { grid-template-columns:1fr; gap:12px; } .photo-card { height:190px; } .photo-caption { left:16px; bottom:14px; } .photo-caption strong { font-size:1rem; } .photo-caption span { font-size:.8rem; }
  .day { grid-template-columns:1fr; gap:8px; padding:21px 4px; } .day-number { display:inline; margin-right:10px; } .date { font-size:.87rem; }
  .activity-list li { grid-template-columns:70px minmax(0,1fr); gap:9px; } .schedule-city h3 { padding:12px; font-size:1rem; }
  .flight-table thead { display:none; } .flight-table tbody { display:grid; gap:12px; } .flight-table tr { display:grid; grid-template-columns:1fr 1fr; padding:12px; border:1px solid var(--line); border-radius:9px; }
  .flight-table td { border:0; padding:6px; } .flight-table td:first-child { grid-column:1; grid-row:1; } .flight-table td:last-child { grid-column:2; grid-row:1; text-align:right; } .flight-time { font-size:1.2rem; }
  .booking-list { grid-template-columns:1fr; } .tooltip { left:12px!important; right:12px; top:auto!important; bottom:18px; max-width:none; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }
@media print {
  html { scroll-padding-top:0; } body { background:#fff; font-size:10pt; } .wrap { width:100%; } .hero { background:none; color:#203d35; padding:0 0 20px; } h1 { font-size:28pt; } h1 em,.subtitle,.eyebrow,.hero-meta { color:#203d35; }
  .hero-actions,.trip-nav,.photo-strip,.skip-link,.tooltip { display:none!important; } .grid { display:block; } .card { padding:18px 0; border:0; border-bottom:1px solid #ddd; } .day { break-inside:avoid; } .schedule-city h3 { break-after:avoid; } .term { border:0; } .map-link { display:none; } .booking-list { display:block; } .schedule-city { margin-top:14px; }
}