/* Tern Trails — private test site. Retro travel-poster design system. */
:root {
  --bg: #f7f6ef;
  --card: #fffdf6;
  --ink: #092f41;
  --dim: #46626d;
  --line: #c6d5d0;
  --accent: #ed5a42;
  --accent-deep: #c7452f;
  --teal: #155f69;
  --teal-soft: #dceeea;
  --mustard: #f2c95c;
  --error: #a83d30;
  --serif: Charter, "Bitstream Charter", "Sitka Text", Georgia, "Times New Roman", serif;
  --sans: "Avenir Next", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --radius: 4px;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: var(--serif);
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: 0 0 0.6em;
  font-weight: 700;
}
p { margin: 0 0 1em; }
a { color: var(--accent); }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* Eyebrow labels like "01 — PACKAGES" */
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 12px;
  font-weight: 600;
}
.section { padding: 88px 0; }
.section .eyebrow { color: var(--accent); }
.section h2 { font-size: clamp(32px, 4.4vw, 52px); }
.section-sub { color: var(--dim); max-width: 640px; font-size: 18px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fffdf6;
  border: 2px solid var(--accent);
  border-radius: 999px;
  padding: 14px 30px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: #fffdf6; }
.btn:active { transform: translateY(1px); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-small { padding: 9px 20px; font-size: 14px; }
.btn-ghost {
  background: transparent;
  color: var(--dim);
  border: 2px solid var(--line);
}
.btn-ghost:hover { color: var(--ink); border-color: var(--ink); background: transparent; }
.btn[disabled] { opacity: 0.6; cursor: wait; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}
.brand .tern-mark { color: var(--accent); }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a.nav-link {
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}
.site-nav a.nav-link:hover { color: var(--accent); }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 64px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { font-size: clamp(48px, 6.4vw, 84px); margin-bottom: 20px; }
.hero h1 .line2 { color: var(--accent); }
.hero .lede { font-size: 19px; color: var(--dim); max-width: 480px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-figure { position: relative; margin: 0; }
.hero-figure img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
}
.flight-mark {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.caption-chip {
  position: absolute;
  left: 16px;
  bottom: -16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: 0 2px 0 var(--line);
}

/* ---------- Ticker ---------- */
.ticker {
  background: var(--ink);
  color: var(--bg);
  overflow: hidden;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.ticker-track {
  display: inline-flex;
  white-space: nowrap;
  width: max-content;
  animation: ticker-scroll 30s linear infinite;
}
.ticker-track span {
  padding: 12px 0;
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}
.ticker-track .sep { color: var(--accent); padding: 12px 26px; }
@keyframes ticker-scroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
}

/* ---------- Package cards ---------- */
.package-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 44px;
  align-items: start;
}
.package-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.package-card .pkg-img {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.package-card .pkg-body { padding: 26px 26px 30px; display: flex; flex-direction: column; flex: 1; }
.package-card h3 { font-size: 26px; margin-bottom: 4px; }
.pkg-price { font-family: var(--serif); font-size: 40px; letter-spacing: -0.03em; margin: 0; }
.pkg-meta { color: var(--dim); font-size: 14px; margin: 2px 0 12px; }
.pkg-desc { color: var(--dim); font-size: 16px; }
.pkg-bullets { list-style: none; margin: 4px 0 22px; padding: 0; }
.pkg-bullets li { padding: 7px 0 7px 28px; position: relative; font-size: 15.5px; }
.pkg-bullets li::before {
  content: "↗";
  position: absolute;
  left: 2px;
  color: var(--accent);
  font-weight: 700;
}
.pkg-cta {
  margin-top: auto;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 2px solid var(--accent);
  align-self: flex-start;
  padding-bottom: 2px;
}
.pkg-cta:hover { color: var(--accent); }
.package-card.featured { border: 2px solid var(--accent); }
@media (min-width: 961px) {
  .package-card.featured { transform: translateY(-14px); }
}

/* ---------- Story band ---------- */
.story-band { background: var(--teal); color: #f7f6ef; }
.story-band .eyebrow { color: var(--mustard); }
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.story-band h2 { font-size: clamp(32px, 4vw, 48px); }
.story-band p { color: #e9e4d2; font-size: 18px; }
.stat { text-align: center; }
.stat .stat-num {
  font-family: var(--serif);
  font-size: clamp(72px, 9vw, 128px);
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--mustard);
  display: block;
}
.stat .stat-label { letter-spacing: 0.18em; text-transform: uppercase; font-size: 13px; color: #e9e4d2; }

/* ---------- Route steps ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 44px;
}
.step-card {
  border-top: 3px solid var(--accent);
  padding-top: 18px;
}
.step-card .step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 17px;
  color: var(--navy);
  letter-spacing: 0;
  margin-bottom: 12px;
}
.step-card h3 { font-size: 22px; margin-bottom: 8px; }
.step-card p { color: var(--dim); font-size: 15.5px; margin: 0; }

/* ---------- FAQ ---------- */
.faq-list { margin-top: 36px; max-width: 780px; }
.faq {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  margin-bottom: 12px;
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 17px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--accent);
  flex-shrink: 0;
}
.faq[open] summary::after { content: "–"; }
.faq .faq-body { padding: 0 24px 22px; color: var(--dim); }
.faq .faq-body p { margin: 0; }

/* ---------- Final CTA ---------- */
.final-cta { padding: 88px 0; }
.final-panel {
  background: var(--mustard);
  border-radius: var(--radius);
  padding: clamp(40px, 6vw, 72px);
  text-align: center;
  color: var(--ink);
}
.final-panel h2 { font-size: clamp(34px, 4.6vw, 56px); margin-bottom: 12px; }
.final-panel p { font-size: 18px; margin-bottom: 28px; }
.final-panel .btn { background: var(--ink); border-color: var(--ink); }
.final-panel .btn:hover { background: #000; border-color: #000; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--dim);
  font-size: 14px;
}
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-inner p { margin: 0; }
.footer-inner nav a { color: var(--dim); text-decoration: none; margin-left: 18px; }
.footer-inner nav a:hover { color: var(--accent); }

/* ================= Brief / intake ================= */
.brief-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 0;
  align-items: start;
  padding-bottom: 88px;
}
.rail {
  background: var(--ink);
  color: #f2efe2;
  border-radius: var(--radius);
  padding: 32px 28px;
  position: sticky;
  top: 88px;
  margin: 40px 40px 0 0;
}
.rail-step {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mustard);
  margin: 0 0 10px;
  font-weight: 600;
}
.rail-destination {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0 0 22px;
  min-height: 62px;
}
.rail-dots { list-style: none; display: flex; gap: 10px; margin: 0 0 26px; padding: 0; }
.rail-dots li {
  flex: 1;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9db3ba;
  padding-top: 12px;
  position: relative;
}
.rail-dots li::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 2px;
  background: #2c4a57;
}
.rail-dots li.active { color: #fff; }
.rail-dots li.active::before { background: var(--accent); }
.rail-dots li.done { color: var(--mustard); }
.rail-dots li.done::before { background: var(--mustard); }
.rail-summary { border-top: 1px solid #2c4a57; padding-top: 18px; margin-bottom: 22px; }
.rail-summary p { margin: 0 0 12px; font-size: 14.5px; color: #c9d6da; }
.rail-summary strong { color: #fff; font-weight: 600; display: block; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 2px; }
.rail-back { color: var(--mustard); text-decoration: none; font-size: 14.5px; font-weight: 600; }
.rail-back:hover { text-decoration: underline; }

.brief-main { padding-top: 40px; min-width: 0; }
.step { border: 0; padding: 0; margin: 0; }
.step-no {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 10px;
  font-weight: 600;
}
.step h2 { font-size: clamp(30px, 3.6vw, 44px); }
.step-sub { color: var(--dim); font-size: 18px; margin-bottom: 32px; }

.field { margin-bottom: 26px; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.field-row .field { margin-bottom: 26px; }
label, .label {
  display: block;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 8px;
}
.optional {
  font-weight: 400;
  color: var(--dim);
  font-size: 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 1px 9px;
  margin-left: 6px;
  white-space: nowrap;
}
.hint { color: var(--dim); font-size: 14px; margin: 8px 0 0; }

input[type="text"], input[type="email"], input[type="tel"],
input[type="date"], input[type="number"], select, textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
textarea { resize: vertical; }
.field.check label { font-weight: 400; display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.field.check input[type="checkbox"] { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--accent); flex-shrink: 0; }

/* Radio cards (package + pace) */
.radio-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.radio-card { display: block; cursor: pointer; margin: 0; }
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card > span {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 16px;
  height: 100%;
  transition: border-color 0.15s ease;
}
.radio-card > span strong { display: block; font-size: 16px; }
.radio-card > span em { display: block; font-style: normal; color: var(--dim); font-size: 13.5px; margin-top: 4px; }
.radio-card input:checked + span { border: 2px solid var(--accent); padding: 15px; }
.radio-card input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.radio-list label {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 14px 16px;
  margin-bottom: 10px;
  cursor: pointer;
  font-weight: 400;
}
.radio-list input[type="radio"] { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--accent); flex-shrink: 0; }
.radio-list label:has(input:checked) { border: 2px solid var(--accent); padding: 13px 15px; }

/* Interest chips */
.chip-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { margin: 0; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip > span {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  padding: 9px 18px;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.chip input:checked + span {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}
.chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.chip > span::before { content: "✓ "; color: var(--accent); font-weight: 700; }
.chip input:checked + span::before { color: var(--mustard); }

/* Review sheet */
.review-sheet {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  margin-bottom: 28px;
}
.review-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  margin: 0;
}
.review-row:last-child { border-bottom: 0; }
.review-row dt { font-weight: 600; font-size: 14px; color: var(--dim); }
.review-row dd { margin: 0; font-size: 15.5px; }

/* Policy */
.policy {
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--card);
  padding: 24px 26px;
  margin-bottom: 24px;
}
.policy h3 { font-size: 22px; margin-bottom: 10px; }
.policy .eyebrow { color: var(--accent); }
.policy-intro { color: var(--dim); margin-bottom: 12px; }
.policy ul { margin: 0; padding-left: 20px; color: var(--dim); }
.policy li { margin-bottom: 6px; }

/* Kickoff note on review step */
.kickoff-note {
  background: var(--teal-soft);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 28px;
}
.kickoff-note h4 { font-family: var(--serif); font-size: 19px; margin: 0 0 8px; letter-spacing: -0.02em; }
.kickoff-note p { margin: 0; font-size: 15px; color: var(--dim); }
.kickoff-note ul { margin: 0; padding-left: 20px; font-size: 15px; color: var(--dim); }
.kickoff-note li { margin-bottom: 4px; }

/* Brief nav + errors */
.brief-nav { display: flex; justify-content: space-between; gap: 14px; margin-top: 36px; }
.form-error {
  color: var(--error);
  background: #fbeae7;
  border: 1px solid var(--error);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-top: 18px;
  font-weight: 600;
}

/* Success */
.success-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-size: 28px;
  margin-bottom: 18px;
}
.success-rule {
  border: 0;
  height: 5px;
  background: var(--accent);
  width: 72px;
  margin: 24px auto;
}
.success {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
}
.success h2 { font-size: clamp(30px, 4vw, 44px); }
.success .lede { color: var(--dim); font-size: 18px; }
.success-rows { text-align: left; max-width: 560px; margin: 28px auto; }
.success-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  margin: 0;
}
.success-row dt { font-weight: 600; font-size: 14px; color: var(--dim); }
.success-row dd { margin: 0; }
.fine-print { color: var(--dim); font-size: 14px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 52px; }
  .package-grid { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }
  .package-card.featured { transform: none; }
  .story-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .brief-layout { grid-template-columns: 1fr; }
  .rail { position: static; margin: 24px 0 0; }
  .brief-main { padding-top: 28px; }
  .radio-cards { grid-template-columns: 1fr; }
  .site-nav a.nav-link { display: none; }
}
@media (max-width: 600px) {
  .steps-grid { grid-template-columns: 1fr; }
  .review-row, .success-row { grid-template-columns: 1fr; gap: 4px; }
  .brief-nav { flex-direction: column-reverse; }
  .brief-nav .btn { text-align: center; }
  .success { padding: 32px 22px; }
  .section { padding: 64px 0; }
}

/* ---------- Basic dark-mode support ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d212b;
    --card: #123039;
    --ink: #f1eee1;
    --dim: #a9bdc4;
    --line: #274b55;
    --teal-soft: #123f45;
  }
  .btn-outline { color: var(--ink); border-color: var(--ink); }
  .btn-outline:hover { background: var(--ink); color: #0d212b; }
  .pkg-cta { color: var(--ink); }
  .form-error { background: #3a1a15; }
  .final-panel { color: #092f41; }
  .final-panel .btn { background: #092f41; border-color: #092f41; color: #f7f6ef; }
  .hero-figure img, .package-card .pkg-img { filter: brightness(0.92); }
}