:root {
  --gl-bg: #12151c;
  --gl-bg-alt: #1a1f28;
  --gl-surface: #ffffff;
  --gl-ink: #eef1f6;
  --gl-muted: #8b93a3;
  --gl-accent: #276ef1;
  --gl-accent-soft: rgba(39, 110, 241, 0.18);
  --gl-line: rgba(238, 241, 246, 0.14);
  --gl-line-strong: rgba(39, 110, 241, 0.55);
  --gl-page: #f3f5f8;
  --gl-text: #101828;
  --gl-radius: 12px;
  --rail-w: clamp(220px, 14vw, 280px);
  --content-max: min(1180px, calc(100vw - var(--rail-w) - 4rem));
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--gl-page);
  color: var(--gl-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.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;
  min-height: 100vh;
  padding: 1.25rem 1rem 2rem;
  background: var(--gl-bg);
  border-right: 1px solid var(--gl-line);
  background-image:
    linear-gradient(var(--gl-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--gl-line) 1px, transparent 1px);
  background-size: 24px 24px;
}

.site-header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  height: 100%;
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex: 1;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--gl-ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-logo {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  max-width: 64px;
  max-height: 64px;
  border: 1px solid var(--gl-line-strong);
  border-radius: 4px;
  background:
    linear-gradient(135deg, transparent 46%, var(--gl-accent) 46%, var(--gl-accent) 54%, transparent 54%),
    linear-gradient(45deg, transparent 46%, var(--gl-line-strong) 46%, var(--gl-line-strong) 54%, transparent 54%),
    var(--gl-bg-alt);
}

.brand small {
  display: block;
  margin-top: 0.2rem;
  color: var(--gl-muted);
  font-size: 0.68rem;
}

.site-header nav {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.site-header nav a,
.header-cta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gl-muted);
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
}

.site-header nav a:hover,
.header-cta:hover {
  color: var(--gl-accent);
  border-bottom-color: var(--gl-accent-soft);
}

.header-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border: 1px solid var(--gl-line-strong);
  color: var(--gl-ink);
  background: var(--gl-accent-soft);
}

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

main {
  display: flex;
  flex-direction: column;
}

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

.hero {
  padding: clamp(2rem, 4vw, 3.5rem) 0 clamp(2.5rem, 5vw, 4rem);
  background: linear-gradient(180deg, var(--gl-bg-alt) 0%, var(--gl-bg) 100%);
  color: var(--gl-ink);
  border-bottom: 1px solid var(--gl-line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 42%);
  gap: clamp(1.5rem, 3vw, 2.75rem);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gl-accent);
  margin-bottom: 0.75rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 3.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.lead {
  margin: 0 0 1.5rem;
  color: var(--gl-muted);
  max-width: 42ch;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.button-primary {
  background: var(--gl-accent);
  color: #fff;
  border-color: var(--gl-accent);
}

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

.geo-line {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gl-muted);
  letter-spacing: 0.08em;
}

.hero-visual {
  position: relative;
  width: 100%;
  max-height: 55vh;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--gl-line-strong);
  border-radius: var(--gl-radius);
  overflow: hidden;
  background:
    linear-gradient(var(--gl-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--gl-line) 1px, transparent 1px),
    radial-gradient(circle at 30% 40%, rgba(39, 110, 241, 0.12), transparent 55%),
    var(--gl-bg);
  background-size: 20px 20px, 20px 20px, auto, auto;
  isolation: isolate;
}

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: var(--gl-page);
}

.section:nth-child(even) {
  background: #eef1f6;
}

.section-heading {
  margin-bottom: 2rem;
  max-width: 52rem;
}

.section-heading h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 2.4vw, 2.25rem);
  line-height: 1.12;
}

.section-heading p {
  margin: 0;
  color: #475467;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 1.25rem;
}

.card {
  position: relative;
  padding: 1.35rem 1.35rem 1.1rem;
  background: var(--gl-surface);
  border: 1px solid #d0d5dd;
  border-radius: var(--gl-radius);
  box-shadow:
    0 18px 40px -28px rgba(16, 24, 40, 0.35),
    0 8px 0 -4px rgba(39, 110, 241, 0.08);
  transform: translateY(calc(var(--layer, 0) * 6px));
}

.cards-grid .card:nth-child(1) { --layer: 0; }
.cards-grid .card:nth-child(2) { --layer: 1; margin-top: 0.5rem; }
.cards-grid .card:nth-child(3) { --layer: 2; margin-top: 1rem; }
.cards-grid .card:nth-child(4) { --layer: 1; margin-top: 0.5rem; }
.cards-grid .card:nth-child(5) { --layer: 0; }
.cards-grid .card:nth-child(6) { --layer: 1; margin-top: 0.5rem; }
.cards-grid .card:nth-child(7) { --layer: 2; margin-top: 1rem; }

.card::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(39, 110, 241, 0.12);
  border-radius: calc(var(--gl-radius) - 4px);
  pointer-events: none;
}

.card-icon {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--gl-accent);
  border-radius: 4px;
  background: var(--gl-accent-soft);
}

.card-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gl-accent);
  margin-bottom: 0.35rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0 0 0.75rem;
  color: #475467;
}

.card small {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #667085;
}

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.process-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--gl-surface);
  border: 1px solid #d0d5dd;
  border-left: 3px solid var(--gl-accent);
  border-radius: var(--gl-radius);
}

.step-icon {
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--gl-accent);
  border-radius: 4px;
  background: var(--gl-accent-soft);
}

.process-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.process-list p {
  margin: 0;
  color: #475467;
}

.geo-chips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 1rem;
}

.geo-chip {
  padding: 1.25rem;
  background: var(--gl-surface);
  border: 1px solid #d0d5dd;
  border-radius: var(--gl-radius);
  box-shadow: 0 12px 30px -24px rgba(16, 24, 40, 0.25);
}

.geo-chip strong {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.geo-chip span {
  color: #475467;
}

.guide-body {
  display: grid;
  gap: 1.25rem;
}

.chapter {
  padding: 1.35rem 1.35rem 1rem;
  background: var(--gl-surface);
  border: 1px solid #d0d5dd;
  border-radius: var(--gl-radius);
  box-shadow: 0 16px 36px -30px rgba(16, 24, 40, 0.3);
}

.chapter h3 {
  margin: 0 0 0.65rem;
  font-size: 1.1rem;
}

.chapter p {
  margin: 0 0 0.75rem;
  color: #475467;
}

.chapter ul {
  margin: 0;
  padding-left: 1.1rem;
  color: #344054;
}

.faq-list {
  display: grid;
  gap: 0.65rem;
}

.faq-list details {
  background: var(--gl-surface);
  border: 1px solid #d0d5dd;
  border-radius: var(--gl-radius);
  padding: 0.85rem 1rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

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

.faq-list p {
  margin: 0.75rem 0 0;
  color: #475467;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 2rem;
  align-items: start;
}

.tripscan-disclaimer {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #667085;
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  padding: 1.25rem;
  background: var(--gl-surface);
  border: 1px solid #d0d5dd;
  border-radius: var(--gl-radius);
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid #d0d5dd;
  border-radius: 6px;
  font: inherit;
  background: #fff;
}

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

.site-footer {
  padding: 2.5rem 0 3rem;
  background: var(--gl-bg);
  color: var(--gl-ink);
  border-top: 1px solid var(--gl-line);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.footer-grid h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gl-accent);
}

.footer-grid a {
  display: block;
  color: var(--gl-muted);
  text-decoration: none;
  margin-bottom: 0.35rem;
}

.footer-grid a:hover {
  color: var(--gl-ink);
}

.footer-brand {
  display: block;
  margin-bottom: 0.5rem;
}

.footer-coverage {
  margin-top: 0.75rem;
  color: var(--gl-muted);
  font-size: 0.9rem;
}

@media (max-width: 1024px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .site-rail {
    position: relative;
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid var(--gl-line);
  }

  .header-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .site-header nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.75rem;
    width: 100%;
  }

  .header-cta {
    margin-top: 0;
  }

  .hero-visual {
    max-height: 44vh;
  }

  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section-inner {
    width: calc(100% - 1.25rem);
  }

  .hero-visual {
    max-height: 38vh;
    aspect-ratio: 1 / 1;
  }

  .cards-grid .card {
    margin-top: 0 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}