/* Atlas Field Journal — variant 1 layout system */
:root {
  --page: #f8f1de;
  --surface: #fffdf8;
  --surface-alt: #efe0cd;
  --text: #4f220f;
  --muted: #9c6638;
  --accent: #607556;
  --accent-alt: #b96a4c;
  --line: color-mix(in srgb, var(--text) 14%, transparent);
  --radius: 4px;
  --radius-lg: 12px;
  --rail-w: 280px;
  --content-max: 1480px;
  --section-space: clamp(4rem, 8vw, 7rem);
  --font-display: Georgia, "Times New Roman", Times, serif;
  --font-body: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: Consolas, "Courier New", monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  font-family: var(--font-body);
  line-height: 1.65;
  color: var(--text);
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), color-mix(in srgb, var(--accent) 8%, transparent) calc(50% - 1px), color-mix(in srgb, var(--accent) 8%, transparent) calc(50% + 1px), transparent calc(50% + 1px)),
    repeating-linear-gradient(0deg, color-mix(in srgb, var(--accent) 5%, transparent) 0 1px, transparent 1px 48px),
    var(--page);
  background-size: 100% 100%, 100% 48px, auto;
}

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: -0.02em;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.25rem, 4.8vw, 4.5rem);
  margin-bottom: 1.25rem;
}

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

h3 {
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  margin-bottom: 0.5rem;
}

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

/* Shell: left rail + main canvas */
.atlas-shell {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  min-height: 100vh;
  max-width: 2160px;
  margin: 0 auto;
}

.atlas-rail {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 1.25rem 1rem 1.5rem;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 92%, var(--page));
  z-index: 40;
  overflow: hidden;
}

.rail-brand-row,
.header-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
  width: 100%;
  max-width: none;
}

.brand {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1rem;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: 56px;
  height: 56px;
  max-width: 64px;
  max-height: 64px;
  border-radius: var(--radius);
  object-fit: contain;
  flex: 0 0 auto;
}

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

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

.atlas-rail nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.atlas-rail nav a {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.55rem 0.65rem;
  border-left: 3px solid transparent;
  color: var(--muted);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.atlas-rail nav a:hover {
  color: var(--text);
  border-left-color: var(--accent-alt);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.88rem;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.header-cta {
  margin-top: auto;
  width: 100%;
  text-align: center;
}

.button-primary,
.header-cta {
  background: var(--accent);
  color: var(--page);
}

.button-primary:hover,
.header-cta:hover {
  background: color-mix(in srgb, var(--accent) 82%, var(--text));
}

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

.button-secondary:hover {
  border-color: var(--accent-alt);
  color: var(--accent-alt);
}

.atlas-main {
  min-width: 0;
  padding: 0 clamp(1rem, 3vw, 2.5rem);
}

.atlas-flow {
  width: min(var(--content-max), 100%);
  margin: 0 auto;
}

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

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

.section-heading {
  max-width: 920px;
  margin-bottom: 2.25rem;
}

.section-heading > p { font-size: 1.05rem; }

.section-kicker,
.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  max-width: 720px;
}

/* Hero — asymmetric atlas split */
.hero {
  padding-top: clamp(2rem, 5vw, 4rem);
  padding-bottom: var(--section-space);
  border-bottom: 2px solid color-mix(in srgb, var(--accent) 35%, transparent);
}

.hero-atlas {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

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

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.75rem 0 1rem;
}

.geo-line {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.hero-visual-col { min-width: 0; }

.hero-visual {
  overflow: hidden;
  width: 100%;
  aspect-ratio: 3 / 2;
  border: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-alt) 70%, var(--accent));
  box-shadow: 0 18px 48px color-mix(in srgb, var(--text) 8%, transparent);
}

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

/* Bento services grid */
.bento-grid {
  display: grid;
  gap: 1rem;
}

.bento-services {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

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

/* Timeline process */
.timeline-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  border-left: 2px dashed var(--accent-alt);
  margin-left: 1.25rem;
}

.timeline-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.35rem 0 1.35rem 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--line);
}

.timeline-list li::before {
  content: "";
  position: absolute;
  left: -1.38rem;
  top: 1.65rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-alt);
  border: 2px solid var(--page);
}

.step-icon {
  flex: 0 0 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
  border-radius: var(--radius);
}

.step-icon svg { width: 28px; height: 28px; }

/* Region matrix */
.region-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.region-cell {
  padding: 1.35rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: var(--radius);
}

.region-cell strong,
.region-cell span { display: block; }

.region-cell span {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 0.5rem;
}

/* Mosaic cards */
.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  min-width: 0;
  padding: 1.4rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--text) 6%, transparent);
}

.card p { margin-bottom: 0; }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius: var(--radius);
}

.card-icon svg { width: 28px; height: 28px; overflow: visible; }

.card-label {
  display: block;
  color: var(--accent-alt);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.65rem;
}

.card-value {
  display: block;
  margin-top: 1rem;
  color: var(--accent);
  font-size: 1.05rem;
}

.card small {
  display: block;
  color: var(--muted);
  margin-top: 0.4rem;
}

/* Guide atlas */
.guide-atlas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.guide-chapter {
  padding: 1.25rem 1.35rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: var(--radius);
}

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

/* FAQ columns */
.faq-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 2rem;
  max-width: 100%;
}

.faq-columns details {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
}

.faq-columns summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

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

.faq-columns p {
  padding-right: 0.5rem;
  margin-bottom: 0;
}

/* Contact intake */
.intake-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 1rem;
  background: var(--surface);
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

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

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

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

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

.tripscan-disclaimer {
  font-size: 0.78rem;
  border-left: 3px solid var(--accent-alt);
  padding-left: 0.75rem;
}

/* Footer */
.site-footer {
  padding: 3rem 0 4rem;
  background: color-mix(in srgb, var(--surface-alt) 55%, var(--page));
}

.footer-atlas {
  display: grid;
  grid-template-columns: 1.6fr 0.7fr 1fr;
  gap: 2rem;
}

.footer-brand { font-size: 1.35rem; }

.footer-coverage {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* Icon motion */
.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(3px); } }
@keyframes iconSpin { to { transform: rotate(360deg); } }

/* Wide desktop 2160 / 1440 */
@media (min-width: 1440px) {
  :root { --rail-w: 300px; }
  .atlas-flow { width: min(1560px, calc(100% - 1rem)); }
  .hero-atlas { grid-template-columns: minmax(0, 1.1fr) minmax(420px, 0.9fr); }
}

@media (min-width: 1800px) {
  .bento-services .card { padding: 1.65rem 1.75rem; }
  .guide-atlas { gap: 1.5rem; }
}

/* Tablet */
@media (max-width: 1100px) {
  .atlas-shell { grid-template-columns: 1fr; }
  .atlas-rail {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 0.85rem clamp(1rem, 3vw, 2rem);
  }

  .rail-brand-row,
  .header-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
  }

  .brand { flex: 0 1 auto; }

  .atlas-rail nav {
    flex-direction: row;
    flex-wrap: wrap;
    flex: 1 1 100%;
    order: 3;
  }

  .atlas-rail nav a {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 0.45rem 0.55rem;
  }

  .header-cta {
    margin-top: 0;
    width: auto;
    margin-left: auto;
    order: 2;
  }

  .hero-atlas { grid-template-columns: 1fr; }
  .bento-services .card { grid-column: span 12 !important; }
  .guide-atlas { grid-template-columns: 1fr; }
  .faq-columns { grid-template-columns: 1fr; }
  .intake-grid { grid-template-columns: 1fr; }
  .footer-atlas { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .mosaic-grid,
  .region-matrix { grid-template-columns: 1fr; }
  .footer-atlas { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2rem, 9vw, 2.75rem); }
  .section { padding: 3.5rem 0; }
}

@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, .icon-draw, .icon-pulse,
  .icon-slide, .icon-spin {
    animation: none !important;
  }
  .card { transition: none; }
  .card:hover { transform: none; }
}