:root {
  --ink-bg: #071018;
  --ink-bg-alt: #0c1824;
  --ink-surface: #111f2e;
  --ink-surface-raised: #162636;
  --ink-text: #e8eef4;
  --ink-muted: #8fa3b8;
  --ink-subtle: #5c738a;
  --cyan-accent: #22d3ee;
  --cyan-glow: rgba(34, 211, 238, 0.35);
  --line: rgba(34, 211, 238, 0.18);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --font-display: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1440px;
  --rail-width: 240px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-text);
  background: var(--ink-bg);
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--cyan-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

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

main {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.section-inner {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding: 3.5rem 0;
  position: relative;
}

.section:nth-of-type(even) {
  background: linear-gradient(180deg, transparent, rgba(12, 24, 36, 0.55) 12%, rgba(12, 24, 36, 0.55) 88%, transparent);
}

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

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  color: var(--ink-text);
}

h1 {
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  letter-spacing: -0.015em;
}

h3 {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
}

p {
  margin: 0 0 1rem;
  color: var(--ink-muted);
}

.lead {
  font-size: 1.0625rem;
  color: var(--ink-text);
  opacity: 0.92;
}

.eyebrow {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-accent);
  margin-bottom: 0.85rem;
}

.geo-line {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--ink-subtle);
}

.site-rail {
  display: none;
}

.hero {
  padding: 1.5rem 0 3rem;
  position: relative;
}

.hero-editorial {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: start;
}

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

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.button-primary {
  background: var(--cyan-accent);
  color: #041018;
}

.button-primary:hover {
  background: #5eead4;
  text-decoration: none;
}

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

.button-secondary:hover {
  border-color: var(--cyan-accent);
  text-decoration: none;
}

.hero-visual {
  position: relative;
  width: 100%;
  max-height: 38vh;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 62%, rgba(255, 140, 60, 0.22), transparent 42%),
    linear-gradient(165deg, #0a1620 0%, #071018 55%, #0d2230 100%);
  clip-path: polygon(0 8%, 100% 0, 100% 92%, 0 100%);
  box-shadow:
    0 0 0 1px var(--line),
    0 18px 48px rgba(0, 0, 0, 0.35);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), transparent 45%);
  pointer-events: none;
}

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

.chapter {
  position: relative;
  padding: 1.35rem 1.35rem 1.35rem 1.5rem;
  background: var(--ink-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.22);
}

.chapter:nth-child(odd) {
  transform: translateX(0);
}

.chapter:nth-child(even) {
  transform: translateX(clamp(0px, 2vw, 18px));
}

.chapter::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  bottom: 1rem;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cyan-accent), rgba(34, 211, 238, 0.15));
}

.chapter ul {
  margin: 0.75rem 0 0;
  padding-left: 1.15rem;
  color: var(--ink-muted);
}

.chapter li + li {
  margin-top: 0.45rem;
}

.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;
  align-items: start;
  padding: 1.25rem;
  background: var(--ink-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

.process-list li:nth-child(2) {
  margin-left: clamp(0px, 2vw, 16px);
}

.process-list li:nth-child(3) {
  margin-left: clamp(0px, 3vw, 28px);
}

.process-list li:nth-child(4) {
  margin-left: clamp(0px, 1.5vw, 10px);
}

.step-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid var(--line);
  position: relative;
}

.step-icon::after {
  content: "";
  position: absolute;
  inset: 0.55rem;
  border-radius: 50%;
  background: var(--cyan-accent);
  opacity: 0.85;
}

.fact-disclaimer {
  font-size: 0.875rem;
  color: var(--ink-subtle);
  margin-bottom: 1.25rem;
}

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

.stat {
  padding: 1.25rem;
  background: var(--ink-surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.stat:nth-child(2) {
  transform: translateY(6px);
}

.stat:nth-child(3) {
  transform: translateY(12px);
}

.stat:nth-child(4) {
  transform: translateY(4px);
}

.stat strong {
  display: block;
  font-size: 1.35rem;
  color: var(--cyan-accent);
  margin-bottom: 0.35rem;
}

.stat span {
  display: block;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-subtle);
  margin-bottom: 0.5rem;
}

.stat p {
  margin: 0;
  font-size: 0.9375rem;
}

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

.geo-chip {
  padding: 1.25rem;
  background: var(--ink-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.geo-chip:nth-child(odd) {
  margin-right: clamp(0px, 3vw, 24px);
}

.geo-chip:nth-child(even) {
  margin-left: clamp(0px, 3vw, 24px);
}

.geo-chip strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--ink-text);
}

.geo-chip span {
  color: var(--ink-muted);
}

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

.card {
  padding: 1.35rem;
  background: var(--ink-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
}

.card:nth-child(2) {
  transform: translateY(8px);
}

.card:nth-child(3) {
  transform: translateY(4px);
}

.card-icon {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(34, 211, 238, 0.14);
  border: 1px solid var(--line);
}

.card-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-accent);
  margin-bottom: 0.35rem;
}

.card small {
  display: block;
  margin-top: 0.75rem;
  color: var(--ink-subtle);
  font-size: 0.8125rem;
}

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

.faq-list details {
  background: var(--ink-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.25rem 1rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink-text);
  padding: 0.85rem 0;
}

.faq-list details[open] summary {
  color: var(--cyan-accent);
}

.faq-list details p {
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
}

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

.tripscan-disclaimer {
  font-size: 0.875rem;
  color: var(--ink-subtle);
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--ink-surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
}

.contact-form label span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-text);
}

.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #0a1520;
  color: var(--ink-text);
  font: inherit;
}

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

.form-message {
  margin: 0;
  color: var(--cyan-accent);
  font-size: 0.9375rem;
}

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

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

.footer-brand {
  font-size: 1.125rem;
  color: var(--ink-text);
}

.footer-coverage {
  color: var(--ink-subtle);
  margin: 0.5rem 0 0;
}

.footer-grid h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cyan-accent);
}

.footer-grid a {
  display: block;
  margin-top: 0.45rem;
  color: var(--ink-muted);
}

.footer-grid p {
  margin: 0.35rem 0 0;
  color: var(--ink-muted);
}

@media (min-width: 768px) {
  .hero-visual {
    max-height: 44vh;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-shell {
    grid-template-columns: var(--rail-width) minmax(0, 1fr);
    align-items: start;
  }

  .site-rail {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 1.5rem 1.25rem 2rem;
    border-right: 1px solid var(--line);
    background: rgba(7, 16, 24, 0.92);
    backdrop-filter: blur(10px);
    z-index: 20;
  }

  .rail-brand-row {
    display: flex;
    align-items: center;
    min-height: 64px;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--ink-text);
    text-decoration: none;
  }

  .brand:hover {
    text-decoration: none;
  }

  .brand-logo {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    max-width: 64px;
    max-height: 64px;
    border-radius: 12px;
    background:
      radial-gradient(circle at 35% 35%, var(--cyan-accent), #0e7490 68%);
    box-shadow: 0 0 24px var(--cyan-glow);
  }

  .brand-text {
    display: flex;
    flex-direction: column;
    font-weight: 700;
    line-height: 1.2;
  }

  .brand-text small {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ink-subtle);
  }

  .rail-nav {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
  }

  .rail-nav a {
    padding: 0.5rem 0.65rem;
    border-radius: var(--radius-sm);
    color: var(--ink-muted);
    text-decoration: none;
  }

  .rail-nav a:hover {
    color: var(--ink-text);
    background: rgba(34, 211, 238, 0.08);
    text-decoration: none;
  }

  .header-cta {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.55rem 1rem;
    border-radius: 999px;
    background: var(--cyan-accent);
    color: #041018;
    font-weight: 600;
    text-decoration: none;
  }

  .header-cta:hover {
    background: #5eead4;
    text-decoration: none;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .hero-editorial {
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
    gap: clamp(1.5rem, 3vw, 3rem);
    align-items: center;
  }

  .hero-visual {
    max-height: 55vh;
    aspect-ratio: 5 / 4;
  }

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

  .chapter:nth-child(even) {
    transform: translateY(12px);
  }

  .stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1440px) {
  .section-inner {
    width: min(100% - 3rem, var(--max-width));
  }

  .hero-editorial {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 1fr);
  }

  .page-main {
    padding-inline: clamp(0rem, 2vw, 1.5rem);
  }
}

@media (min-width: 2160px) {
  :root {
    --max-width: 1680px;
  }

  .section-inner {
    width: min(100% - 4rem, var(--max-width));
  }
}

@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;
  }

  .chapter:nth-child(even),
  .process-list li,
  .stat,
  .card,
  .geo-chip:nth-child(odd),
  .geo-chip:nth-child(even) {
    transform: none !important;
  }
}