:root {
  --gl-bg: #12151c;
  --gl-bg-alt: #1a2030;
  --gl-surface: #000000;
  --gl-surface-raised: #222833;
  --gl-ink: #eef1f6;
  --gl-ink-muted: #9aa3b2;
  --gl-ink-subtle: #6f7888;
  --gl-accent: #276ef1;
  --gl-accent-alt: #4d9fff;
  --gl-accent-ink: #ffffff;
  --gl-line: #2e3644;
  --gl-glow: #008cff;
  --gl-page: #141820;
  --gl-scrim: #000000;
  --gl-glass: 0.3125rem;
  --gl-glass-strong: 1rem;
  --gl-radius: 1.125rem;
  --gl-radius-lg: 2.5rem;
  --gl-radius-pill: 999px;
  --gl-font-display: Georgia, "Times New Roman", Times, serif;
  --gl-font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --gl-duration-fast: 150ms;
  --gl-duration: 250ms;
  --gl-duration-slow: 700ms;
  --gl-ease: cubic-bezier(0.2, 0, 0, 1);
  --page-max: 88rem;
  --rail-width: 17.5rem;
  --hero-max-h-desktop: 55vh;
  --hero-max-h-tablet: 44vh;
  --hero-max-h-mobile: 38vh;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--gl-ink);
  background: var(--gl-page);
  font-family: var(--gl-font-body);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-color: color-mix(in oklab, var(--gl-accent) 55%, transparent);
}

.page-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 100vh;
}

.page-canvas {
  position: relative;
  min-width: 0;
}

.page-main {
  width: min(100%, var(--page-max));
  margin-inline: auto;
}

.altitude-rule {
  display: none;
}

.site-rail {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid color-mix(in oklab, var(--gl-ink) 14%, transparent);
  background: color-mix(in oklab, var(--gl-bg) 88%, transparent);
  backdrop-filter: blur(var(--gl-glass-strong));
  -webkit-backdrop-filter: blur(var(--gl-glass-strong));
}

.site-header {
  width: min(100%, var(--page-max));
  margin-inline: auto;
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem 1.5rem;
  padding: 0.875rem 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-family: var(--gl-font-display);
  font-size: 1.125rem;
  line-height: 1.1;
}

.brand small {
  display: block;
  font-family: var(--gl-font-body);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--gl-ink-muted);
}

.brand-logo {
  width: 2.75rem;
  height: 2.75rem;
  max-width: 64px;
  max-height: 64px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, color-mix(in oklab, var(--gl-accent-alt) 80%, white), transparent 55%),
    linear-gradient(135deg, var(--gl-accent), var(--gl-glow));
  box-shadow: inset 0 -0.25rem 0.75rem rgb(255 255 255 / 0.18);
}

.header-inner nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1rem;
}

.header-inner nav a,
.header-cta {
  font-size: 0.875rem;
  text-decoration: none;
  color: color-mix(in oklab, var(--gl-ink) 82%, transparent);
  transition: color var(--gl-duration-fast) var(--gl-ease);
}

.header-inner nav a:hover,
.header-cta:hover {
  color: var(--gl-accent-alt);
}

.header-cta {
  justify-self: end;
  padding: 0.55rem 1rem;
  border-radius: var(--gl-radius-pill);
  border: 1px solid color-mix(in oklab, var(--gl-accent) 45%, transparent);
  background: color-mix(in oklab, var(--gl-accent) 14%, transparent);
}

.section,
.hero {
  position: relative;
}

.section-inner {
  width: min(100%, calc(var(--page-max) - 2.5rem));
  margin-inline: auto;
  padding: 3.5rem 1.25rem;
}

.section-heading {
  max-width: 46rem;
  margin-bottom: 2rem;
}

.section-kicker {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gl-accent-alt);
}

.section-heading h2,
.contact-grid h2 {
  margin: 0 0 0.75rem;
  font-family: var(--gl-font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.12;
  font-weight: 400;
}

.section-heading p,
.contact-grid p,
.lead,
.card p,
.chapter p,
.process-list p,
.faq-list p,
.geo-chip span {
  color: var(--gl-ink-muted);
}

.hero {
  padding: 1.25rem 0 0;
}

.hero-scrim {
  position: absolute;
  inset: 0 0 auto 0;
  height: min(var(--hero-max-h-mobile), 100%);
  pointer-events: none;
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--gl-bg) 18%, transparent), transparent 42%),
    radial-gradient(120% 80% at 100% 0%, color-mix(in oklab, var(--gl-accent) 12%, transparent), transparent 58%);
}

.hero-stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: start;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

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

.eyebrow {
  margin-bottom: 0.875rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gl-accent-alt);
}

.hero h1 {
  margin: 0 0 1rem;
  max-width: 16ch;
  font-family: var(--gl-font-display);
  font-size: clamp(2rem, 4.8vw, 3.5rem);
  line-height: 1.08;
  font-weight: 400;
}

.lead {
  margin: 0 0 1.5rem;
  max-width: 42rem;
  font-size: 1.0625rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1.2rem;
  border-radius: var(--gl-radius-pill);
  border: 1px solid transparent;
  font-size: 0.9375rem;
  text-decoration: none;
  transition:
    transform var(--gl-duration-fast) var(--gl-ease),
    background var(--gl-duration-fast) var(--gl-ease),
    border-color var(--gl-duration-fast) var(--gl-ease);
}

.button-primary {
  color: var(--gl-accent-ink);
  background: linear-gradient(118deg, var(--gl-accent) 8%, var(--gl-glow) 100%);
  box-shadow: 0 0.5rem 1.5rem color-mix(in oklab, var(--gl-accent) 34%, transparent);
}

.button-secondary {
  color: var(--gl-ink);
  border-color: color-mix(in oklab, var(--gl-ink) 18%, transparent);
  background: color-mix(in oklab, var(--gl-surface) 24%, transparent);
  backdrop-filter: blur(var(--gl-glass));
  -webkit-backdrop-filter: blur(var(--gl-glass));
}

.button:hover,
.card:hover {
  transform: translateY(-2px);
}

.geo-line {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--gl-radius-pill);
  border: 1px solid color-mix(in oklab, var(--gl-ink) 16%, transparent);
  background: color-mix(in oklab, var(--gl-surface) 28%, transparent);
  font-size: 0.8125rem;
  color: var(--gl-ink-muted);
}

.hero-visual {
  position: relative;
  z-index: 1;
  width: 100%;
  max-height: var(--hero-max-h-mobile);
  aspect-ratio: 16 / 11;
  border-radius: var(--gl-radius-lg);
  overflow: hidden;
  border: 1px solid color-mix(in oklab, var(--gl-ink) 12%, transparent);
  background:
    linear-gradient(145deg, color-mix(in oklab, var(--gl-bg-alt) 88%, black), var(--gl-bg)),
    radial-gradient(circle at 70% 20%, color-mix(in oklab, var(--gl-accent) 18%, transparent), transparent 55%);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 0.06),
    0 1.25rem 2.5rem rgb(0 0 0 / 0.28);
}

.geo-chips {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.geo-chip {
  padding: 1.1rem 1.2rem;
  border-radius: var(--gl-radius);
  border: 1px solid color-mix(in oklab, var(--gl-ink) 12%, transparent);
  background: color-mix(in oklab, var(--gl-surface) 30%, transparent);
  backdrop-filter: blur(var(--gl-glass));
  -webkit-backdrop-filter: blur(var(--gl-glass));
}

.geo-chip strong {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--gl-font-display);
  font-weight: 400;
}

.guide-body {
  display: grid;
  gap: 1rem;
}

.chapter {
  padding: 1.25rem 1.35rem;
  border-radius: var(--gl-radius);
  border: 1px solid color-mix(in oklab, var(--gl-ink) 10%, transparent);
  background: color-mix(in oklab, var(--gl-bg-alt) 72%, transparent);
}

.chapter h3 {
  margin: 0 0 0.75rem;
  font-family: var(--gl-font-display);
  font-size: 1.25rem;
  line-height: 1.2;
  font-weight: 400;
}

.chapter ul {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
  color: var(--gl-ink-muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.asymmetric-service-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-auto-rows: minmax(8.5rem, auto);
  gap: 0.875rem;
}

.asymmetric-service-grid .card:nth-child(1) {
  grid-column: span 3;
  grid-row: span 2;
}

.asymmetric-service-grid .card:nth-child(2) {
  grid-column: span 3;
}

.asymmetric-service-grid .card:nth-child(3) {
  grid-column: span 2;
}

.asymmetric-service-grid .card:nth-child(4) {
  grid-column: span 2;
}

.asymmetric-service-grid .card:nth-child(5) {
  grid-column: span 1;
}

.asymmetric-service-grid .card:nth-child(6) {
  grid-column: span 1;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-height: 100%;
  padding: 1.1rem 1.15rem;
  border-radius: var(--gl-radius);
  border: 1px solid color-mix(in oklab, var(--gl-ink) 12%, transparent);
  background: color-mix(in oklab, var(--gl-surface) 34%, transparent);
  backdrop-filter: blur(var(--gl-glass));
  -webkit-backdrop-filter: blur(var(--gl-glass));
  transition:
    transform var(--gl-duration) var(--gl-ease),
    box-shadow var(--gl-duration) var(--gl-ease),
    border-color var(--gl-duration) var(--gl-ease);
}

.card:hover {
  border-color: color-mix(in oklab, var(--gl-accent) 42%, transparent);
  box-shadow: 0 0.85rem 1.75rem rgb(0 0 0 / 0.22);
}

.card-icon {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.45rem;
  background:
    linear-gradient(135deg, color-mix(in oklab, var(--gl-accent) 70%, white), var(--gl-glow));
  opacity: 0.92;
}

.card-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gl-accent-alt);
}

.card h3 {
  margin: 0;
  font-family: var(--gl-font-display);
  font-size: 1.125rem;
  line-height: 1.15;
  font-weight: 400;
}

.card small {
  margin-top: auto;
  color: var(--gl-ink-subtle);
  font-size: 0.8125rem;
}

.process-list {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.process-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-radius: var(--gl-radius);
  border: 1px solid color-mix(in oklab, var(--gl-ink) 10%, transparent);
  background: color-mix(in oklab, var(--gl-bg-alt) 70%, transparent);
}

.step-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.65rem;
  background: linear-gradient(145deg, var(--gl-accent), var(--gl-glow));
}

.process-list h3 {
  margin: 0 0 0.35rem;
  font-family: var(--gl-font-display);
  font-size: 1.0625rem;
  font-weight: 400;
}

.faq-list details {
  border-top: 1px solid color-mix(in oklab, var(--gl-ink) 12%, transparent);
  padding: 0.85rem 0;
}

.faq-list summary {
  cursor: pointer;
  font-family: var(--gl-font-display);
  font-size: 1.05rem;
  line-height: 1.25;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  padding: 1.25rem;
  border-radius: var(--gl-radius-lg);
  border: 1px solid color-mix(in oklab, var(--gl-ink) 12%, transparent);
  background: color-mix(in oklab, var(--gl-surface) 36%, transparent);
  backdrop-filter: blur(var(--gl-glass-strong));
  -webkit-backdrop-filter: blur(var(--gl-glass-strong));
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.875rem;
  color: var(--gl-ink-muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: calc(var(--gl-radius) - 0.25rem);
  border: 1px solid color-mix(in oklab, var(--gl-ink) 14%, transparent);
  background: color-mix(in oklab, var(--gl-bg) 72%, transparent);
  color: var(--gl-ink);
  font: inherit;
}

.contact-form textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.tripscan-disclaimer {
  margin-top: 1rem;
  font-size: 0.875rem;
}

.site-footer {
  border-top: 1px solid color-mix(in oklab, var(--gl-ink) 12%, transparent);
  background: color-mix(in oklab, var(--gl-bg-alt) 84%, transparent);
}

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

.footer-grid h3 {
  margin: 0 0 0.65rem;
  font-family: var(--gl-font-display);
  font-size: 1rem;
  font-weight: 400;
}

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

.footer-brand {
  font-family: var(--gl-font-display);
  font-size: 1.25rem;
}

.footer-coverage {
  color: var(--gl-ink-muted);
}

.component-geography,
.component-guide,
.component-scenarios,
.component-process,
.component-services,
.component-faq,
.component-contact {
  border-top: 1px solid color-mix(in oklab, var(--gl-ink) 8%, transparent);
}

@media (min-width: 48rem) {
  :root {
    --hero-max-h-mobile: var(--hero-max-h-tablet);
  }

  .hero-visual {
    max-height: min(var(--hero-max-h-tablet), 44vh);
  }

  .geo-chips {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards-grid:not(.asymmetric-service-grid) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 64rem) {
  .page-frame {
    grid-template-columns: var(--rail-width) minmax(0, 1fr);
    align-items: start;
  }

  .site-rail {
    position: sticky;
    top: 0;
    align-self: start;
    min-height: 100vh;
    border-bottom: none;
    border-right: 1px solid color-mix(in oklab, var(--gl-ink) 12%, transparent);
    background: color-mix(in oklab, var(--gl-bg) 92%, transparent);
  }

  .header-inner {
    grid-template-columns: 1fr;
    align-content: start;
    gap: 1.5rem;
    min-height: 100vh;
    padding: 1.75rem 1.35rem 2rem;
  }

  .header-inner nav {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
  }

  .header-cta {
    justify-self: start;
    margin-top: auto;
  }

  .page-canvas {
    padding-inline: 1rem;
  }

  .altitude-rule {
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background: color-mix(in oklab, var(--gl-ink) 16%, transparent);
    pointer-events: none;
    z-index: 3;
  }

  .altitude-rule-start {
    left: 12%;
  }

  .altitude-rule-end {
    right: 12%;
  }

  .hero-stage {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2rem 2.5rem;
    align-items: center;
  }

  .hero-visual {
    max-height: min(var(--hero-max-h-desktop), 55vh);
    max-width: min(100%, calc(50vw - var(--rail-width)));
  }

  .guide-body {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .chapter:nth-child(1),
  .chapter:nth-child(4),
  .chapter:nth-child(7),
  .chapter:nth-child(10) {
    grid-column: span 2;
  }
}

@media (min-width: 90rem) {
  .page-main,
  .site-header {
    width: min(100%, calc(var(--page-max) + 2rem));
  }

  .hero-visual {
    aspect-ratio: 5 / 4;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .button:hover,
  .card:hover {
    transform: none;
  }
}