/* TripScan variant 1 — olive-terracotta editorial side-rail layout */
:root {
  --page: #efe0cd;
  --surface: #faf6f0;
  --surface-elevated: #ffffff;
  --text: #2a1810;
  --muted: #6b5a4a;
  --accent: #b96a4c;
  --accent-alt: #607556;
  --accent-deep: #7b2524;
  --line: color-mix(in srgb, var(--text) 14%, transparent);
  --radius: 18px;
  --radius-sm: 10px;
  --section-space: clamp(4.5rem, 8vw, 7rem);
  --rail-w: clamp(220px, 18vw, 300px);
  --content-max: 1680px;
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  line-height: 1.62;
  font-family: var(--font-body);
  background: var(--page);
  color: var(--text);
  background-image:
    radial-gradient(circle at 12% 8%, color-mix(in srgb, var(--accent-alt) 12%, transparent), transparent 42%),
    radial-gradient(circle at 88% 92%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 38%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 40%, var(--page)), var(--page));
}

body, button, input, select, textarea { font: inherit; }

a { color: inherit; text-decoration: none; }

img, svg, video, canvas, iframe {
  display: block;
  max-width: 100%;
  height: auto;
}

h1, h2, h3, p { margin-top: 0; }

h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.15rem, 4.8vw, 4.25rem);
  margin-bottom: 1.25rem;
  color: var(--accent-deep);
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 3rem);
  margin-bottom: 0.85rem;
}

h3 {
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  margin-bottom: 0.5rem;
}

p { color: var(--muted); }

/* ── Page shell: side rail + main canvas ── */
.page-shell {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100vh;
  max-width: var(--content-max);
  margin: 0 auto;
}

.site-rail {
  position: relative;
  z-index: 40;
  background: color-mix(in srgb, var(--surface-elevated) 92%, var(--page));
  border-bottom: 1px solid var(--line);
}

.rail-inner {
  width: min(100% - 2rem, var(--content-max));
  margin: 0 auto;
  padding: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.rail-brand-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 1 1 auto;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.05rem;
  white-space: nowrap;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: 48px;
  height: 48px;
  max-width: 64px;
  max-height: 64px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: var(--surface);
}

.brand-logo svg { width: 100%; height: 100%; }

.brand small {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--muted);
}

.site-rail nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  min-width: 0;
}

.site-rail nav a {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
  background: var(--surface);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.site-rail nav a:hover {
  color: var(--accent-deep);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

.header-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.header-cta {
  flex: 0 0 auto;
  white-space: nowrap;
  margin-left: auto;
}

.header-cta, .button-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent-deep) 55%, var(--accent)));
  color: var(--surface-elevated);
  border-color: var(--accent-deep);
}

.button-primary:hover, .header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 28%, transparent);
}

.button-secondary {
  background: var(--surface-elevated);
  color: var(--accent-deep);
  border-color: color-mix(in srgb, var(--accent-alt) 40%, transparent);
}

.page-main {
  min-width: 0;
}

.section-inner {
  width: min(calc(100% - 2.5rem), 1280px);
  margin: 0 auto;
}

/* ── Hero: asymmetric split with visual band ── */
.hero {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0 var(--section-space);
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 55%;
  background: linear-gradient(165deg, color-mix(in srgb, var(--surface-elevated) 88%, var(--page)), transparent);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
  position: relative;
}

.hero-copy { min-width: 0; }

.eyebrow, .section-kicker {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 800;
  margin-bottom: 0.85rem;
  color: var(--accent-alt);
  padding: 0.35rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--accent-alt) 30%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-alt) 8%, var(--surface));
}

.lead {
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
  max-width: 42rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1.75rem 0 1.25rem;
}

.geo-line {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
}

.hero-visual {
  overflow: hidden;
  width: 100%;
  min-height: clamp(280px, 42vw, 520px);
  aspect-ratio: 3 / 2;
  border-radius: calc(var(--radius) + 4px);
  border: 2px solid color-mix(in srgb, var(--accent-alt) 28%, transparent);
  background: color-mix(in srgb, var(--accent-alt) 12%, var(--surface));
  box-shadow:
    0 24px 60px color-mix(in srgb, var(--text) 12%, transparent),
    inset 0 1px 0 color-mix(in srgb, #fff 40%, transparent);
}

.hero-visual svg { width: 100%; height: 100%; display: block; }

.hero-visual:has(img)::before,
.hero-visual:has(img)::after,
.hero-visual:has(svg)::before,
.hero-visual:has(svg)::after { display: none !important; }

/* ── Sections ── */
.section {
  padding: var(--section-space) 0;
  position: relative;
}

.section:nth-child(even) {
  background: color-mix(in srgb, var(--surface) 65%, transparent);
}

.section-heading {
  max-width: 46rem;
  margin-bottom: 2.25rem;
}

.section-heading > p { font-size: 1.02rem; }

/* ── Criteria cards: staggered editorial grid ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  min-width: 0;
  padding: 1.35rem 1.4rem;
  border-radius: var(--radius);
  background: var(--surface-elevated);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px color-mix(in srgb, var(--text) 5%, transparent);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.card p { margin-bottom: 0; }

.cards-grid .card:nth-child(1) { grid-column: span 4; }
.cards-grid .card:nth-child(2) { grid-column: span 4; }
.cards-grid .card:nth-child(3) { grid-column: span 4; }
.cards-grid .card:nth-child(4) { grid-column: span 5; }
.cards-grid .card:nth-child(5) { grid-column: span 4; }
.cards-grid .card:nth-child(6) { grid-column: span 3; }
.cards-grid .card:nth-child(7) { grid-column: span 12; }

.component-benefits .cards-grid .card:nth-child(n),
.component-scenarios .cards-grid .card:nth-child(n) {
  grid-column: span 4;
}

.component-scenarios .cards-grid .card:nth-child(5) {
  grid-column: span 6;
}

.card-icon, .step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 0.85rem;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
  border-radius: 12px;
}

.card-icon svg, .step-icon svg { width: 26px; height: 26px; overflow: visible; }

.icon-draw path { stroke-dasharray: 34 8; animation: iconDraw 12s linear infinite; }
.icon-pulse { transform-box: fill-box; transform-origin: center; animation: iconPulse 12s ease-in-out infinite; }
.icon-slide { animation: iconSlide 12s ease-in-out infinite; }
.icon-spin { transform-box: fill-box; transform-origin: center; animation: iconSpin 14s linear infinite; }

@keyframes iconDraw { to { stroke-dashoffset: -84; } }
@keyframes iconPulse { 50% { transform: scale(0.92); opacity: 0.78; } }
@keyframes iconSlide { 50% { transform: translateX(3px); } }
@keyframes iconSpin { to { transform: rotate(360deg); } }

.card-label {
  display: block;
  color: var(--accent-alt);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  margin-bottom: 0.55rem;
  font-weight: 700;
}

.card-value {
  display: block;
  margin-top: 0.85rem;
  color: var(--accent-deep);
  font-size: 1.05rem;
  font-weight: 700;
}

.card small {
  display: block;
  color: var(--muted);
  margin-top: 0.35rem;
  font-size: 0.82rem;
}

/* ── Process: vertical timeline ── */
.process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  position: relative;
}

.process-list::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-alt), var(--accent));
  opacity: 0.35;
}

.process-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 1.25rem;
  padding: 1.25rem 0 1.25rem 0.5rem;
  min-width: 0;
  position: relative;
}

.process-list li + li {
  border-top: 1px dashed color-mix(in srgb, var(--line) 80%, transparent);
}

.step-icon {
  flex: 0 0 44px;
  margin-bottom: 0;
  position: relative;
  z-index: 1;
}

/* ── Geography chips: horizontal feature strip ── */
.geo-chips {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.geo-chip {
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-elevated);
  border-left: 4px solid var(--accent-alt);
}

.geo-chip strong,
.geo-chip span { display: block; }

.geo-chip strong {
  color: var(--accent-deep);
  margin-bottom: 0.5rem;
  font-family: var(--font-display);
}

.geo-chip span { color: var(--muted); font-size: 0.9rem; }

/* ── Guide: two-column chapters ── */
.guide-body {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem 2rem;
}

.chapter {
  min-width: 0;
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--surface-elevated);
  border: 1px solid var(--line);
}

.chapter li { color: var(--muted); margin: 0.45rem 0; }

.chapter h3 {
  color: var(--accent-deep);
  font-size: 1.05rem;
}

/* ── FAQ ── */
.faq-list { max-width: 52rem; }

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  background: transparent;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--text);
  list-style: none;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list p { padding-right: 1.5rem; }

/* ── Contact split ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 1rem;
  background: var(--surface-elevated);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px color-mix(in srgb, var(--text) 6%, transparent);
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-sm);
}

textarea { min-height: 110px; resize: vertical; }

.form-message { color: var(--accent-deep); margin: 0; font-weight: 700; }

.tripscan-disclaimer {
  font-size: 0.78rem !important;
  padding: 0.65rem 0.85rem;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  margin-top: 1rem;
}

/* ── Footer ── */
.site-footer {
  padding: 3.5rem 0 4rem;
  background: color-mix(in srgb, var(--accent-deep) 92%, #000);
  color: color-mix(in srgb, var(--page) 88%, #fff);
  border-top: none;
}

.site-footer p, .site-footer a { color: color-mix(in srgb, var(--page) 72%, #fff); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 1fr;
  gap: 2rem;
}

.footer-brand {
  font-size: 1.45rem;
  font-family: var(--font-display);
  color: var(--page);
}

.site-footer h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--page) 55%, #fff);
}

.site-footer a { display: block; margin: 0.35rem 0; }

.footer-coverage { font-weight: 600; }

/* ── Desktop side rail (≥1100px) ── */
@media (min-width: 1100px) {
  .page-shell {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 0;
    align-items: start;
  }

  .site-rail {
    position: sticky;
    top: 0;
    height: 100vh;
    border-bottom: none;
    border-right: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface-elevated) 96%, var(--page));
  }

  .rail-inner {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: clamp(1.25rem, 2.5vw, 2rem) clamp(1rem, 1.8vw, 1.5rem);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 1.75rem;
  }

  .rail-brand-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .brand { flex-direction: column; align-items: flex-start; white-space: normal; }

  .brand-logo {
    width: 56px;
    height: 56px;
  }

  .site-rail nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
    flex: 1 1 auto;
  }

  .site-rail nav a {
    border-radius: var(--radius-sm);
    text-align: left;
  }

  .header-cta {
    margin-left: 0;
    width: 100%;
    margin-top: auto;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
    gap: clamp(2rem, 4vw, 4rem);
  }

  .section-inner {
    width: min(calc(100% - 3rem), 1180px);
  }
}

/* ── Wide desktop balance (≥1440px) ── */
@media (min-width: 1440px) {
  :root {
    --rail-w: 280px;
    --content-max: 1920px;
  }

  .page-shell {
    padding: 0 clamp(1rem, 3vw, 2.5rem);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(480px, 1.15fr);
  }

  .section-inner {
    width: min(calc(100% - 4rem), 1320px);
  }
}

@media (min-width: 1800px) {
  .section-inner { width: min(calc(100% - 5rem), 1400px); }
  .cards-grid { gap: 1.25rem; }
}

/* ── Tablet ── */
@media (max-width: 1099px) {
  .site-rail nav { order: 3; width: 100%; }
  .header-cta { order: 4; width: 100%; margin-left: 0; }
  .hero-grid { grid-template-columns: 1fr; }
  .cards-grid .card:nth-child(n) { grid-column: span 6; }
  .component-benefits .cards-grid .card:nth-child(n),
  .component-scenarios .cards-grid .card:nth-child(n) { grid-column: span 6; }
  .guide-body { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .geo-chips { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Mobile ── */
@media (max-width: 640px) {
  .section-inner { width: min(100% - 1.75rem, 1180px); }
  .rail-inner { width: min(100% - 1.25rem, 1180px); }
  .cards-grid .card:nth-child(n) { grid-column: span 12; }
  .hero { padding-top: 2rem; }
  .hero-visual { min-height: 240px; aspect-ratio: 4 / 3; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .section { padding: 3.75rem 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .process-list::before { left: 16px; }
  .process-list li { grid-template-columns: 36px 1fr; gap: 0.85rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card-icon, .step-icon, .card-icon svg, .step-icon svg,
  .card-icon path, .step-icon path, .card, .button, .header-cta {
    animation: none !important;
    transition: none !important;
  }
}