/* TripScan variant 1 — side-rail editorial atlas (porcelain + deep teal) */

:root {
  --page: #eef4f7;
  --surface: #ffffff;
  --surface-alt: #dfeef3;
  --text: #061953;
  --muted: #4970a9;
  --accent: #19a7cd;
  --accent-alt: #35a29f;
  --accent-deep: #0b6669;
  --ink-soft: #146c94;
  --radius: 10px;
  --radius-lg: 18px;
  --rail-w: 248px;
  --rail-w-wide: 272px;
  --canvas-max: 1680px;
  --section-space: clamp(4rem, 8vw, 7rem);
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Segoe UI Mono", Menlo, Consolas, monospace;
  --shadow-soft: 0 18px 48px color-mix(in srgb, var(--text) 8%, transparent);
  --line: color-mix(in srgb, var(--text) 14%, transparent);
}

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

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

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  line-height: 1.65;
  font-family: var(--font-body);
  background:
    radial-gradient(ellipse 120% 80% at 100% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 55%),
    linear-gradient(180deg, var(--page), color-mix(in srgb, var(--surface-alt) 60%, var(--page)));
  color: var(--text);
}

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: 1.05;
}

h1 {
  font-size: clamp(2.35rem, 4.8vw, 4.6rem);
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.85rem, 3.2vw, 3rem);
  margin-bottom: 0.85rem;
}

h3 {
  font-size: clamp(1.08rem, 1.6vw, 1.35rem);
}

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

/* ── Shell: side rail + balanced canvas ── */

.page-shell {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  min-height: 100vh;
  max-width: 2160px;
  margin: 0 auto;
}

.site-rail {
  position: sticky;
  top: 0;
  align-self: start;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  min-height: 100vh;
  padding: 1.35rem 1.1rem 1.5rem;
  background: color-mix(in srgb, var(--surface) 88%, var(--page));
  border-right: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.rail-brand-row,
.rail-nav-row,
.rail-cta-row {
  display: flex;
  min-width: 0;
}

.rail-brand-row { align-items: center; }

.rail-nav-row { flex: 1; }

.rail-cta-row { margin-top: auto; }

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 0.98rem;
  white-space: nowrap;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: 52px;
  height: 52px;
  max-width: 64px;
  max-height: 64px;
  flex: 0 0 auto;
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
}

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

.brand small {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.site-rail nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 100%;
}

.site-rail nav a {
  display: block;
  padding: 0.62rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--muted);
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.site-rail nav a:hover {
  color: var(--text);
  border-left-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.15rem;
  border: 1px solid var(--accent-deep);
  border-radius: var(--radius);
  font-weight: 750;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.rail-cta-row .header-cta {
  width: 100%;
  white-space: normal;
  text-align: center;
}

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

.button-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.page-canvas {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.page-main {
  flex: 1;
  width: min(var(--canvas-max), calc(100% - clamp(1.25rem, 3vw, 3rem)));
  margin: 0 auto;
}

.section-inner {
  width: 100%;
  margin: 0 auto;
}

/* ── Hero: rail-aware split ── */

.layout-hero-rail.hero {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0 var(--section-space);
}

.layout-hero-rail .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
}

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

.layout-hero-rail .eyebrow,
.section-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--accent-deep);
}

.layout-hero-rail .lead {
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
  max-width: 38rem;
  color: var(--ink-soft);
}

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

.geo-line {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.hero-visual {
  overflow: hidden;
  width: 100%;
  min-height: clamp(280px, 36vw, 520px);
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

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

/* ── Section rhythm ── */

.section {
  padding: var(--section-space) 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 46rem;
  margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.section-heading > p { font-size: 1.04rem; }

/* Services: bento grid */

.layout-bento-grid .cards-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.85rem;
}

.layout-bento-grid .card {
  grid-column: span 4;
  min-width: 0;
}

.layout-bento-grid .card:nth-child(1),
.layout-bento-grid .card:nth-child(4) { grid-column: span 6; }

/* Process: vertical timeline */

.layout-timeline-rail .process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  position: relative;
}

.layout-timeline-rail .process-list::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-alt));
  opacity: 0.35;
}

.layout-timeline-rail .process-list li {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.35rem 1.15rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  min-width: 0;
  position: relative;
}

/* Geography: compare panels */

.layout-compare-columns .geo-chips {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.layout-compare-columns .geo-chip {
  padding: 1.25rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  border-top: 3px solid var(--accent);
}

.layout-compare-columns .geo-chip strong {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--text);
}

.layout-compare-columns .geo-chip span { font-size: 0.88rem; }

/* Benefits: mosaic band */

.layout-mosaic-band .cards-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.layout-mosaic-band .card:first-child {
  grid-column: span 2;
  grid-row: span 1;
}

/* Scenarios: split cards */

.layout-split-cards .cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.layout-split-cards .card:first-child {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.25rem;
  align-items: start;
}

.layout-split-cards .card:first-child .card-icon { margin-bottom: 0; }

/* Guide: field journal two-column */

.layout-field-journal .section-inner { max-width: 100%; }

.layout-field-journal .guide-body {
  column-count: 2;
  column-gap: clamp(1.5rem, 3vw, 2.5rem);
}

.layout-field-journal .chapter {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  padding: 1.15rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

/* FAQ */

.layout-accordion-stack .faq-list { max-width: 52rem; }

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

.layout-accordion-stack .faq-list summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--text);
}

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

/* Contact */

.layout-form-panel .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.layout-form-panel .contact-form {
  display: grid;
  gap: 0.9rem;
  padding: 1.35rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

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

input, select, textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--page);
  color: var(--text);
  padding: 0.82rem 0.9rem;
  border-radius: var(--radius);
}

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

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

.tripscan-disclaimer {
  font-size: 0.78rem !important;
  padding: 0.65rem 0.75rem;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

/* Cards shared */

.card {
  min-width: 0;
  padding: 1.25rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: var(--shadow-soft);
}

.card p { margin-bottom: 0; }

.card-icon, .step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 0.85rem;
  color: var(--accent-deep);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: calc(var(--radius) + 2px);
}

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

.card-label {
  display: block;
  font-family: var(--font-mono);
  color: var(--accent-deep);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.55rem;
}

.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;
}

.step-icon { flex: 0 0 42px; margin-bottom: 0; }

/* Footer */

.site-footer {
  margin-top: auto;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  background: color-mix(in srgb, var(--surface-alt) 55%, var(--page));
  border-top: 1px solid var(--line);
}

.site-footer .section-inner {
  width: min(var(--canvas-max), calc(100% - clamp(1.25rem, 3vw, 3rem)));
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr;
  gap: 1.75rem;
}

.footer-brand { font-size: 1.35rem; color: var(--text); }

.site-footer a {
  display: block;
  color: var(--muted);
  margin: 0.3rem 0;
}

/* Icon motion (≥10s loops) */

.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(0.9); opacity: 0.75; } }
@keyframes iconSlide { 50% { transform: translateX(4px); } }
@keyframes iconSpin { to { transform: rotate(360deg); } }

/* Map SVG overrides for new palette */

.hero-visual svg .route-main { stroke: var(--accent) !important; }
.hero-visual svg rect[fill="#DCE9D3"] { fill: color-mix(in srgb, var(--surface-alt) 80%, var(--page)); }

/* ── Responsive ── */

@media (min-width: 1440px) {
  .page-shell { grid-template-columns: var(--rail-w-wide) minmax(0, 1fr); }
  .page-main { width: min(1560px, calc(100% - 3.5rem)); }
}

@media (max-width: 1100px) {
  .page-shell { grid-template-columns: 1fr; }
  .site-rail {
    position: relative;
    min-height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.85rem 1rem;
    padding: 0.85rem 1rem;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .rail-brand-row { flex: 1 1 auto; }
  .rail-nav-row { flex: 1 1 100%; order: 3; }
  .rail-cta-row { margin-top: 0; flex: 0 0 auto; }
  .site-rail nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.35rem;
  }
  .site-rail nav a {
    border-left: none;
    border-bottom: 2px solid transparent;
    border-radius: var(--radius);
  }
  .site-rail nav a:hover { border-bottom-color: var(--accent); border-left-color: transparent; }
  .rail-cta-row .header-cta { width: auto; white-space: nowrap; }
  .layout-hero-rail .hero-grid { grid-template-columns: 1fr; }
  .layout-bento-grid .cards-grid,
  .layout-bento-grid .card,
  .layout-bento-grid .card:nth-child(1),
  .layout-bento-grid .card:nth-child(4) { grid-column: span 6; }
  .layout-timeline-rail .process-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .layout-mosaic-band .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .layout-mosaic-band .card:first-child { grid-column: span 2; }
  .layout-form-panel .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .page-main { width: calc(100% - 1.5rem); }
  .layout-bento-grid .cards-grid,
  .layout-bento-grid .card,
  .layout-bento-grid .card:nth-child(1),
  .layout-bento-grid .card:nth-child(4),
  .layout-mosaic-band .cards-grid,
  .layout-mosaic-band .card:first-child,
  .layout-split-cards .cards-grid,
  .layout-split-cards .card:first-child,
  .layout-compare-columns .geo-chips,
  .layout-timeline-rail .process-list,
  .footer-grid { grid-template-columns: 1fr; }
  .layout-split-cards .card:first-child { display: block; }
  .layout-field-journal .guide-body { column-count: 1; }
  .brand-logo { width: 44px; height: 44px; }
  h1 { font-size: clamp(2rem, 11vw, 2.75rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
}

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