/* ── Waterfall Shuttle — Apple-clean design system ─────────────────────────── */
:root {
  --ink: #1d1d1f;
  --ink-soft: #515154;
  --ink-faint: #86868b;
  --line: #e3e3e6;
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --bg-tint: #f0f5f3;
  --green: #1f6f5c;       /* Gorge forest */
  --green-deep: #155244;
  --blue: #2b6cb0;        /* River */
  --accent: var(--green);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 32px rgba(0,0,0,.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,.06), 0 24px 60px rgba(0,0,0,.10);
  --maxw: 1120px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { letter-spacing: -.022em; line-height: 1.08; margin: 0 0 .4em; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }

.eyebrow {
  text-transform: uppercase; letter-spacing: .12em; font-size: .78rem;
  font-weight: 600; color: var(--accent); margin: 0 0 .8rem;
}
.center { text-align: center; margin-top: 2.5rem; }
.lead { font-size: 1.25rem; color: var(--ink-soft); line-height: 1.5; }

/* ── buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5em; padding: .72rem 1.4rem; border-radius: 980px;
  font-weight: 600; font-size: .98rem; cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-lg { padding: .92rem 1.9rem; font-size: 1.05rem; }
.btn-block { display: flex; width: 100%; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--green-deep); }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--ink); }
.btn-ghost { background: rgba(0,0,0,.04); color: var(--ink); }
.btn-ghost:hover { background: rgba(0,0,0,.08); }
.btn-glass { background: rgba(255,255,255,.16); color: #fff; border-color: rgba(255,255,255,.4); backdrop-filter: blur(8px); }
.btn-glass:hover { background: rgba(255,255,255,.28); }

.cta-actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.link-arrow { color: var(--accent); font-weight: 600; font-size: .95rem; }

/* ── nav ─────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  height: 60px; display: flex; align-items: center; justify-content: space-between;
}
.brand-logo { height: 34px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 1.7rem; }
.nav-links a { font-size: .95rem; font-weight: 500; color: var(--ink-soft); transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links .nav-book { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; flex-direction: column; gap: 5px; justify-content: center; align-items: center; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── layout primitives ───────────────────────────────────────────────────── */
.section { max-width: var(--maxw); margin: 0 auto; padding: 5.5rem 24px; }
.section-alt { max-width: none; background: var(--bg-soft); }
.section-alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-sub { color: var(--ink-soft); font-size: 1.1rem; }

/* ── hero ────────────────────────────────────────────────────────────────── */
.hero { position: relative; min-height: 86vh; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.32) 0%, rgba(0,0,0,.18) 40%, rgba(0,0,0,.55) 100%); }
.hero-content { position: relative; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; width: 100%; }
.hero-content .eyebrow { color: #fff; opacity: .9; }
.hero-content h1 { max-width: 16ch; text-shadow: 0 2px 30px rgba(0,0,0,.3); }
.hero-sub { font-size: 1.3rem; max-width: 40ch; color: rgba(255,255,255,.92); margin-bottom: 2rem; }
.hero-rating { margin-top: 1.6rem; font-weight: 500; letter-spacing: .02em; color: rgba(255,255,255,.92); }

.page-hero { max-width: 820px; margin: 0 auto; padding: 5rem 24px 2.5rem; text-align: center; }
.page-hero-sub { font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; margin: .5rem auto 0; }
.page-hero a { color: var(--accent); font-weight: 600; }

/* ── tour cards ──────────────────────────────────────────────────────────── */
.tour-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.6rem; }
.tour-card {
  background: var(--bg); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--line);
  display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease;
}
.tour-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tour-card-media { position: relative; aspect-ratio: 3/2; overflow: hidden; background: var(--bg-soft); }
.tour-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.tour-card:hover .tour-card-media img { transform: scale(1.04); }
.badge {
  position: absolute; top: 14px; left: 14px; background: var(--accent); color: #fff;
  font-size: .74rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  padding: .35em .7em; border-radius: 980px;
}
.badge-light { position: static; display: inline-block; margin-bottom: 1rem; background: rgba(255,255,255,.22); backdrop-filter: blur(6px); }
.tour-card-body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.tour-card-tagline { color: var(--ink-soft); font-size: .96rem; flex: 1; }
.tour-card-meta { list-style: none; display: flex; gap: 1rem; padding: 0; margin: .2rem 0 1rem; color: var(--ink-faint); font-size: .85rem; }
.tour-card-meta li { position: relative; }
.tour-card-meta li + li::before { content: "·"; position: absolute; left: -.65rem; }
.tour-card-foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.price-from { font-size: .8rem; color: var(--ink-faint); }
.price { font-size: 1.35rem; font-weight: 700; }
.price-note { display: block; font-size: .78rem; color: var(--ink-faint); }
.price-call { font-weight: 600; color: var(--ink-soft); }

/* ── why grid ────────────────────────────────────────────────────────────── */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.4rem; }
.why-card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow); }
.why-card h3 { color: var(--green-deep); }
.why-card p { color: var(--ink-soft); margin: 0; }

/* ── split sections ──────────────────────────────────────────────────────── */
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 0; }
.split-narrow { max-width: var(--maxw); margin: 0 auto; padding: 4rem 24px; gap: 3.5rem; }
.split-media img { width: 100%; height: 100%; max-height: 560px; object-fit: cover; }
.split:not(.split-narrow) .split-body { padding: 4rem clamp(24px, 6vw, 5rem); }
.split-body h2 { margin-bottom: 1rem; }
.split-body p { color: var(--ink-soft); }

/* ── gallery ─────────────────────────────────────────────────────────────── */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: .6rem; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-sm); }

/* ── cta band ────────────────────────────────────────────────────────────── */
.cta-band { background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%); color: #fff; }
.cta-band-inner { max-width: 760px; margin: 0 auto; padding: 5rem 24px; text-align: center; }
.cta-band h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
.cta-band p { font-size: 1.2rem; opacity: .92; margin-bottom: 2rem; }
.cta-band .cta-actions { justify-content: center; }

/* ── tour detail ─────────────────────────────────────────────────────────── */
.tour-hero { position: relative; min-height: 56vh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.tour-hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.tour-hero-content { position: relative; max-width: var(--maxw); margin: 0 auto; padding: 3rem 24px; width: 100%; }
.tour-hero-content h1 { text-shadow: 0 2px 30px rgba(0,0,0,.35); }
.tour-hero-content p { font-size: 1.2rem; max-width: 50ch; color: rgba(255,255,255,.92); margin: 0; }
.back-link { display: inline-block; margin-bottom: 1rem; font-weight: 500; opacity: .9; }

.tour-detail { max-width: var(--maxw); margin: 0 auto; padding: 4rem 24px; display: grid; grid-template-columns: 1fr 360px; gap: 3.5rem; align-items: start; }
.tour-detail-main h2 { margin-top: 2.4rem; }
.tour-detail-main h2:first-of-type { margin-top: 2rem; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.check-list li { position: relative; padding-left: 1.9rem; color: var(--ink-soft); }
.check-list li::before { content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; border-radius: 50%; background: var(--bg-tint); }
.check-list li::after { content: "✓"; position: absolute; left: 4px; top: .05em; color: var(--green); font-size: .8rem; font-weight: 700; }
.itinerary { padding-left: 1.2rem; display: grid; gap: .5rem; color: var(--ink-soft); }
.itinerary li { padding-left: .3rem; }

.tour-detail-aside { position: sticky; top: 84px; }
.booking-card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.7rem; box-shadow: var(--shadow-lg); }
.booking-price { margin-bottom: 1.2rem; }
.fact-list { list-style: none; padding: 0; margin: 0 0 1.4rem; }
.fact-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-top: 1px solid var(--line); font-size: .95rem; }
.fact-list li span { color: var(--ink-faint); }
.booking-card .btn { margin-bottom: .6rem; }
.booking-note { font-size: .82rem; color: var(--ink-faint); text-align: center; margin: .4rem 0 0; }

/* ── stats ───────────────────────────────────────────────────────────────── */
.stats { max-width: var(--maxw); margin: 0 auto; padding: 2rem 24px 1rem; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; text-align: center; }
.stat-num { display: block; font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; color: var(--green-deep); letter-spacing: -.03em; }
.stat-label { color: var(--ink-soft); font-size: .95rem; }

/* ── faqs ────────────────────────────────────────────────────────────────── */
.faqs { max-width: 820px; }
.faq-cat { margin-bottom: 3rem; }
.faq-cat h2 { font-size: 1.4rem; margin-bottom: 1rem; }
.faq-list { display: grid; gap: .6rem; }
.faq { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.faq summary { cursor: pointer; padding: 1.05rem 1.3rem; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; font-weight: 400; transition: transform .2s; line-height: 1; }
.faq[open] summary::after { transform: rotate(45deg); }
.faq-a { padding: 0 1.3rem 1.2rem; color: var(--ink-soft); }
.faq-a p { margin: 0; }

/* ── contact ─────────────────────────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 2.5rem; align-items: start; }
.contact-card, .contact-form { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); }
.contact-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.contact-list li { display: flex; flex-direction: column; padding: .8rem 0; border-top: 1px solid var(--line); }
.contact-list li span { font-size: .8rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .15rem; }
.contact-list a { color: var(--accent); font-weight: 600; }
.contact-tip, .form-note { font-size: .85rem; color: var(--ink-faint); margin-top: 1rem; }
.contact-form label { display: block; margin-bottom: 1rem; font-size: .85rem; font-weight: 600; color: var(--ink-soft); }
.contact-form input, .contact-form textarea { width: 100%; margin-top: .35rem; padding: .7rem .85rem; border: 1px solid var(--line); border-radius: var(--radius-sm); font: inherit; font-weight: 400; color: var(--ink); background: var(--bg-soft); }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--green); outline-offset: 1px; background: #fff; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.pickups { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.4rem; }
.pickup { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow); }
.pickup h3 { color: var(--green-deep); }
.pickup-addr { font-weight: 600; color: var(--ink); margin-bottom: .4rem; }
.pickup p { color: var(--ink-soft); font-size: .95rem; margin: 0; }

/* ── book page ───────────────────────────────────────────────────────────── */
.book-hero .cta-actions { justify-content: center; margin-top: 1.5rem; }
.book-note { color: var(--ink-faint); font-size: .9rem; margin-top: 1.2rem; }

/* ── blog ────────────────────────────────────────────────────────────────── */
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 1.8rem; }
.post-card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.post-card-media { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-soft); }
.post-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.post-card:hover .post-card-media img { transform: scale(1.04); }
.post-card-body { padding: 1.4rem; display: flex; flex-direction: column; gap: .5rem; }
.post-card-body time, .post-hero time { color: var(--accent); font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.post-card-body h3 { margin: 0; }
.post-card-body p { color: var(--ink-soft); font-size: .95rem; margin: 0; flex: 1; }

.post { max-width: 760px; margin: 0 auto; padding: 3.5rem 24px 0; }
.post-hero { text-align: center; margin-bottom: 2rem; }
.post-hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin-top: .6rem; }
.post-hero .back-link { color: var(--accent); }
.post-cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 2.5rem; box-shadow: var(--shadow); }
.post-cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.post-body { font-size: 1.12rem; color: #2c2c30; }
.post-body h2 { font-size: 1.6rem; margin-top: 2.4rem; }
.post-body h3 { font-size: 1.2rem; margin-top: 1.8rem; }
.post-body ul { padding-left: 1.3rem; }
.post-body li { margin-bottom: .5rem; }
.post-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.post-cta { margin: 3.5rem 0; padding: 2.5rem; text-align: center; background: var(--bg-tint); border-radius: var(--radius); }
.post-cta h2 { margin-bottom: .5rem; }
.post-cta p { color: var(--ink-soft); margin-bottom: 1.5rem; }

/* ── footer ──────────────────────────────────────────────────────────────── */
.footer { background: #fafafa; border-top: 1px solid var(--line); }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 3.5rem 24px 2rem; display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1.2fr; gap: 2rem; }
.footer-logo { height: 38px; margin-bottom: 1rem; }
.footer-brand p { color: var(--ink-soft); font-size: .95rem; margin: 0 0 .5rem; }
.footer-rating { color: var(--green-deep); font-weight: 600; }
.footer-col h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint); margin-bottom: 1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.footer-col a, .footer-col li { color: var(--ink-soft); font-size: .95rem; }
.footer-col a:hover { color: var(--ink); }
.footer-social { display: flex; gap: 1rem; margin-top: 1.2rem; }
.footer-social a { color: var(--accent); font-weight: 600; font-size: .9rem; }
.footer-permit .usfs { height: 54px; width: auto; margin-bottom: .8rem; opacity: .85; }
.footer-permit p { font-size: .82rem; color: var(--ink-faint); margin: 0; }
.footer-bottom { border-top: 1px solid var(--line); }
.footer-bottom p { max-width: var(--maxw); margin: 0 auto; padding: 1.4rem 24px; font-size: .82rem; color: var(--ink-faint); }

/* ── responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: 60px 0 auto 0; background: rgba(255,255,255,.98);
    backdrop-filter: blur(20px); flex-direction: column; align-items: stretch;
    gap: 0; padding: .5rem 24px 1.5rem; border-bottom: 1px solid var(--line);
    transform: translateY(-120%); transition: transform .3s ease; box-shadow: var(--shadow-lg);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: .9rem 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .nav-links .nav-book { margin-top: 1rem; border: 0; }
  .split { grid-template-columns: 1fr; }
  .split-narrow { gap: 2rem; }
  .split:not(.split-narrow) .split-body { padding: 2.5rem 24px; }
  .split-media { order: -1; }
  .split-narrow .split-media { order: 0; }
  .tour-detail { grid-template-columns: 1fr; gap: 2rem; }
  .tour-detail-aside { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 3.5rem 24px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .hero { min-height: 78vh; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto; transition: none !important; } }