/* AdventureRoute Inc. — VoyageAgency travel palette */
:root {
  --glacier: #0B4F6C;
  --rust: #E07A5F;
  --drift: #F4F1DE;
  --pine: #3D8DAE;
  --glacier-light: #156780;
  --rust-light: #e8937d;
  --pine-light: #5aa3c0;
  --text-on-dark: #F4F1DE;
  --text-on-light: #0B4F6C;
  --font-display: 'Bitter', Georgia, serif;
  --font-body: 'Karla', 'Segoe UI', sans-serif;
  --header-height: 72px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 4px;
  --shadow: 0 8px 32px rgba(11, 79, 108, 0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-on-light);
  background: var(--drift);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--rust);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--rust-light); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); margin-bottom: 0.75rem; }

p { margin-bottom: 1rem; }

ul, ol { margin-bottom: 1rem; padding-left: 1.5rem; }

/* Surface System */
.surface-dark {
  background: var(--glacier);
  color: var(--text-on-dark);
}

.surface-light {
  background: var(--drift);
  color: var(--text-on-light);
}

.surface-accent {
  background: var(--rust);
  color: var(--text-on-dark);
}

.surface-pine {
  background: var(--pine);
  color: var(--text-on-dark);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 800px;
}

.section {
  padding: 5rem 0;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 0.5rem;
}

.section-serial {
  font-size: 0.8rem;
  color: rgba(247, 249, 251, 0.6);
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.surface-light .section-serial { color: rgba(15, 40, 71, 0.5); }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.transparent {
  background: transparent;
}

.site-header.solid {
  background: rgba(15, 40, 71, 0.97);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: 0.02em;
}

.logo span { color: var(--rust); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-on-dark);
  margin: 5px 0;
  transition: var(--transition);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  padding: 0;
  margin: 0;
}

.main-nav a {
  color: var(--text-on-dark);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--rust);
  transition: width var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-on-dark);
}

.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }

/* Hero Pattern B — Full-bleed Cinematic */
.hero-cinematic {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-cinematic__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-cinematic__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-cinematic__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11, 79, 108, 0.85) 0%,
    rgba(11, 79, 108, 0.4) 45%,
    rgba(11, 79, 108, 0.15) 100%
  );
  z-index: 1;
}

.hero-cinematic__content {
  position: relative;
  z-index: 2;
  padding: calc(var(--header-height) + 3rem) 1.5rem 5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 1rem;
}

.hero-cinematic .hero-label,
.page-hero .hero-label {
  color: var(--text-on-dark);
}

.hero-cinematic h1 {
  color: var(--text-on-dark);
  max-width: 720px;
  margin-bottom: 1.25rem;
}

.hero-cinematic .hero-serial {
  font-size: 0.85rem;
  color: rgba(247, 249, 251, 0.7);
  margin-bottom: 2rem;
  letter-spacing: 0.06em;
}

.hero-cinematic p.lead {
  color: rgba(247, 249, 251, 0.9);
  font-size: 1.125rem;
  max-width: 560px;
  margin-bottom: 2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  border-radius: var(--radius);
}

.btn-primary {
  background: var(--rust);
  color: var(--text-on-dark);
}

.btn-primary:hover {
  background: var(--rust-light);
  color: var(--text-on-dark);
}

.btn-outline {
  background: transparent;
  color: var(--text-on-dark);
  border: 2px solid var(--text-on-dark);
}

.btn-outline:hover {
  background: var(--text-on-dark);
  color: var(--glacier);
}

.btn-pine {
  background: var(--pine);
  color: var(--text-on-dark);
}

.btn-pine:hover {
  background: var(--pine-light);
  color: var(--text-on-dark);
}

/* Page Hero (inner pages) */
.page-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: var(--header-height);
}

.page-hero__bg {
  position: absolute;
  inset: 0;
}

.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 40, 71, 0.9) 0%, rgba(15, 40, 71, 0.3) 100%);
}

.page-hero__content {
  position: relative;
  z-index: 2;
  padding: 3rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.page-hero h1 { color: var(--text-on-dark); }

/* Summit Charter */
.summit-charter {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.summit-charter__stat {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--rust);
  line-height: 1;
}

.summit-charter__stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pine);
  margin-top: 0.5rem;
}

/* Elevation Strip */
.elevation-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 3px solid var(--rust);
  border-bottom: 3px solid var(--rust);
}

.elevation-strip__item {
  padding: 2rem 1.5rem;
  text-align: center;
  border-right: 1px solid rgba(247, 249, 251, 0.15);
}

.elevation-strip__item:last-child { border-right: none; }

.elevation-strip__value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--rust);
}

.surface-dark .elevation-strip__value {
  color: var(--text-on-dark);
}

.elevation-strip__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
  opacity: 0.8;
}

/* Route Segments — staggered 2×2 travel-agency layout */
.route-segments {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem 2rem;
}

.route-segments .segment-card:nth-child(even) {
  margin-top: 2rem;
}

.segment-card {
  background: var(--glacier-light);
  padding: 2rem 1.75rem;
  border-left: 4px solid var(--rust);
  border-radius: 0 var(--radius) var(--radius) 0;
  display: flex;
  flex-direction: column;
}

.segment-card__num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--rust);
  line-height: 1;
  margin-bottom: 0.85rem;
}

.segment-card h3 {
  color: var(--text-on-dark);
  margin-bottom: 0.75rem;
}

.segment-card p {
  color: rgba(247, 249, 251, 0.85);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Navigator Layout */
.navigator-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
}

.navigator-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  background: var(--glacier);
  padding: 2rem;
  border-top: 4px solid var(--rust);
}

.navigator-sidebar h3 {
  color: var(--text-on-dark);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.navigator-sidebar ul {
  list-style: none;
  padding: 0;
}

.navigator-sidebar li {
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(247, 249, 251, 0.1);
}

.navigator-sidebar a {
  color: rgba(247, 249, 251, 0.75);
  font-size: 0.875rem;
}

.navigator-sidebar a:hover { color: var(--rust); }

/* Route Cards */
.route-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.route-card {
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.route-card:hover { transform: translateY(-4px); }

.route-card__img {
  height: 200px;
  overflow: hidden;
}

.route-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.route-card:hover .route-card__img img { transform: scale(1.05); }

.route-card__body { padding: 1.5rem; }

.route-card__tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pine);
  margin-bottom: 0.5rem;
}

.route-card__price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--rust);
  margin-top: 1rem;
}

/* FAQ Accordion */
.faq-accordion { max-width: 800px; }

.faq-item {
  border-bottom: 1px solid rgba(15, 40, 71, 0.12);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--glacier);
  text-align: left;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--rust);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding-bottom: 1.25rem;
}

.faq-answer p {
  color: rgba(15, 40, 71, 0.85);
  font-size: 0.95rem;
}

/* CTA Band */
.cta-band {
  text-align: center;
  padding: 5rem 1.5rem;
}

.cta-band h2 { margin-bottom: 1rem; }

.cta-band p {
  max-width: 560px;
  margin: 0 auto 2rem;
  opacity: 0.9;
}

/* Image Clusters */
.image-cluster {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.image-cluster img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.image-cluster--offset {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
}

.image-feature {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
}

.image-feature img { width: 100%; }

.image-feature__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1.25rem;
  background: linear-gradient(transparent, rgba(15, 40, 71, 0.85));
  color: var(--text-on-dark);
  font-size: 0.8rem;
}

/* Diagonal Timeline (About) */
.route-timeline {
  position: relative;
  padding: 4rem 0;
}

.route-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: var(--rust);
  transform: rotate(3deg);
  transform-origin: center;
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
  position: relative;
}

.timeline-item:nth-child(even) .timeline-content { order: 2; }
.timeline-item:nth-child(even) .timeline-marker { order: 1; text-align: right; }

.timeline-marker {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--rust);
  padding-top: 0.5rem;
}

.timeline-content {
  background: #fff;
  padding: 2rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--pine);
  color: var(--text-on-light);
}

.timeline-content h3 { color: var(--glacier); }

.timeline-content p {
  color: rgba(15, 40, 71, 0.85);
  margin-bottom: 0;
}

/* Program Cards */
.program-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.program-card {
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.program-card__header {
  background: var(--glacier);
  padding: 1.5rem 2rem;
  color: var(--text-on-dark);
}

.program-card__header h3 { margin-bottom: 0.25rem; }

.program-card__meta {
  font-size: 0.8rem;
  opacity: 0.7;
}

.program-card__img { height: 220px; overflow: hidden; }

.program-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.program-card__body { padding: 2rem; }

.program-card__price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--rust);
  margin-top: 1rem;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-item {
  padding: 2rem;
  background: #fff;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--pine);
}

.service-item h3 { color: var(--glacier); }

/* Contact Form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-info-block {
  background: var(--glacier);
  color: var(--text-on-dark);
  padding: 2.5rem;
}

.contact-info-block h3 { margin-bottom: 1.5rem; }

.contact-info-block dl { margin-bottom: 1.5rem; }

.contact-info-block dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.6;
  margin-bottom: 0.25rem;
}

.contact-info-block dd {
  margin-bottom: 1rem;
  margin-left: 0;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--glacier);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(15, 40, 71, 0.2);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  background: #fff;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--rust);
}

.form-group textarea { min-height: 140px; resize: vertical; }

.form-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.form-consent label {
  display: block;
  margin-bottom: 0;
  font-weight: 400;
  flex: 1;
  min-width: 0;
  line-height: 1.5;
}

.form-consent input {
  width: auto;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.form-message {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.form-message.success {
  background: rgba(45, 90, 74, 0.15);
  border: 1px solid var(--pine);
  color: var(--pine);
}

.form-message.error {
  background: rgba(184, 92, 56, 0.15);
  border: 1px solid var(--rust);
  color: var(--rust);
}

/* Legal / Content Pages */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  margin-top: 2.5rem;
  color: var(--glacier);
}

.legal-content h3 {
  margin-top: 1.5rem;
  color: var(--pine);
}

.legal-content p,
.legal-content li {
  color: rgba(15, 40, 71, 0.85);
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid rgba(15, 40, 71, 0.1);
}

.legal-nav a {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* 404 */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  background: var(--glacier);
  color: var(--text-on-dark);
}

.error-page h1 { margin-bottom: 1rem; }

.error-page p { opacity: 0.8; margin-bottom: 2rem; }

.error-code {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  color: var(--rust);
  line-height: 1;
  margin-bottom: 1rem;
}

/* Footer */
.site-footer {
  background: var(--glacier);
  color: var(--text-on-dark);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo { display: inline-block; margin-bottom: 1rem; }

.footer-brand p {
  font-size: 0.875rem;
  opacity: 0.75;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  color: var(--text-on-dark);
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col li { margin-bottom: 0.5rem; }

.footer-col a {
  color: rgba(247, 249, 251, 0.75);
  font-size: 0.875rem;
}

.footer-col a:hover { color: var(--text-on-dark); }

.footer-disclaimer {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(247, 249, 251, 0.1);
  border-bottom: 1px solid rgba(247, 249, 251, 0.1);
  margin-bottom: 1.5rem;
}

.footer-disclaimer p {
  font-size: 0.75rem;
  opacity: 0.6;
  line-height: 1.6;
  max-width: 900px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--glacier);
  color: var(--text-on-dark);
  padding: 1.25rem 1.5rem;
  z-index: 9999;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-banner.is-visible { transform: translateY(0); }

.cookie-banner__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-banner p {
  font-size: 0.875rem;
  margin: 0;
  flex: 1;
  min-width: 280px;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-banner .btn-cookie-customise {
  background: transparent;
  color: var(--drift);
  border: none;
  text-decoration: underline;
  padding: 0.625rem 0.75rem;
}

.cookie-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 40, 71, 0.65);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 1.5rem;
}

.cookie-modal.is-open { display: flex; }

.cookie-modal__panel {
  width: min(100%, 480px);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.cookie-modal__panel h3 { margin-bottom: 1.25rem; }

.cookie-modal__option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(15, 40, 71, 0.12);
}

.cookie-modal__actions {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Scroll Reveal — JS-off: all visible */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Breadcrumb */
.breadcrumb {
  padding: 1rem 0;
  font-size: 0.8rem;
}

.breadcrumb a { color: rgba(15, 40, 71, 0.6); }
.breadcrumb span { color: var(--rust); }

/* Responsive */
@media (max-width: 992px) {
  .summit-charter,
  .navigator-layout,
  .contact-layout,
  .footer-grid { grid-template-columns: 1fr; }

  .route-segments { grid-template-columns: 1fr; }
  .route-segments .segment-card:nth-child(even) { margin-top: 0; }

  .elevation-strip { grid-template-columns: repeat(2, 1fr); }

  .route-cards,
  .program-grid,
  .services-grid,
  .image-cluster { grid-template-columns: 1fr; }

  .navigator-sidebar { position: static; }

  .timeline-item { grid-template-columns: 1fr; }
  .timeline-item:nth-child(even) .timeline-content { order: 1; }
  .timeline-item:nth-child(even) .timeline-marker { order: 0; text-align: left; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--glacier);
    padding: 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 1rem;
  }

  .elevation-strip,
  .route-segments { grid-template-columns: 1fr; }

  .elevation-strip__item { border-right: none; border-bottom: 1px solid rgba(247, 249, 251, 0.15); }

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

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

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .cookie-banner__inner { flex-direction: column; text-align: center; }
}