@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --canvas: #181818;
  --canvas-elevated: #303030;
  --canvas-light: #ffffff;
  --surface-soft-light: #f7f7f7;
  --surface-strong-light: #ebebeb;
  --primary: #da291c;
  --primary-active: #b01e0a;
  --hairline: #303030;
  --hairline-on-light: #d2d2d2;
  --ink: #ffffff;
  --body: #969696;
  --body-strong: #ffffff;
  --body-on-light: #181818;
  --muted: #666666;
  --muted-soft: #8f8f8f;
  --on-primary: #ffffff;
  --success: #03904a;
  --warning: #f13a2c;
}

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

html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  background-color: var(--canvas);
  color: var(--body);
  line-height: 1.5;
  font-size: 14px;
  font-weight: 400;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 32px; }

h1, h2, h3, h4, h5, h6 {
  color: var(--ink);
  font-weight: 500;
  line-height: 1.2;
}

h1 { font-size: clamp(32px, 6vw, 56px); letter-spacing: -1.12px; }
h2 { font-size: clamp(24px, 3vw, 36px); letter-spacing: -0.36px; }
h3 { font-size: clamp(18px, 2.5vw, 26px); letter-spacing: 0.195px; }
h4 { font-size: 18px; font-weight: 700; }
h5 { font-size: 16px; font-weight: 500; letter-spacing: 0.08px; }
h6 { font-size: 13px; font-weight: 600; letter-spacing: 1.1px; text-transform: uppercase; color: var(--muted); }

p { margin-bottom: 1rem; color: var(--body); }
p:last-child { margin-bottom: 0; }

.top-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 1px;
  text-transform: uppercase;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  font-weight: 600;
  color: var(--body);
  letter-spacing: 0.65px;
  text-transform: uppercase;
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--ink); text-decoration: none; }

.nav-right { display: flex; gap: 12px; align-items: center; }

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 700;
  padding: 14px 32px;
  height: 48px;
  border-radius: 0;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  transition: background 0.15s;
  white-space: nowrap;
}

.btn-primary:hover { background: var(--primary-active); text-decoration: none; color: var(--on-primary); }

.btn-outline {
  background: transparent;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  padding: 14px 32px;
  height: 48px;
  border-radius: 0;
  border: 1px solid var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  transition: border-color 0.15s;
}

.btn-outline:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: 0.2s;
}

.hero-section {
  background: var(--canvas);
  padding: 96px 0;
  border-bottom: 1px solid var(--hairline);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(180deg, transparent, rgba(24,24,24,0.8));
  pointer-events: none;
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
  display: block;
}

.hero-section h1 { margin-bottom: 24px; max-width: 800px; }
.hero-section .lead { font-size: 16px; color: var(--body); line-height: 1.6; max-width: 600px; margin-bottom: 40px; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.section { padding: 96px 0; }
.section-light {
  background: var(--canvas-light);
  color: var(--body-on-light);
  padding: 96px 0;
}

.section-light h2, .section-light h3, .section-light h4 { color: var(--body-on-light); }
.section-light p { color: #444; }
.section-light h6 { color: #666; }

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}

.section-label-muted {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
  display: block;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2px;
  background: var(--hairline);
}

.article-card {
  background: var(--canvas);
  padding: 32px;
  transition: background 0.15s;
  display: block;
  color: inherit;
  text-decoration: none;
}

.article-card:hover { background: var(--canvas-elevated); text-decoration: none; }

.article-card .eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}

.article-card h3 { font-size: 22px; color: var(--ink); margin-bottom: 12px; }
.article-card p { font-size: 14px; color: var(--body); line-height: 1.6; }

.badge-pill {
  display: inline-block;
  background: var(--canvas-elevated);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  border-radius: 9999px;
  padding: 4px 12px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb .sep { color: var(--hairline); font-size: 16px; }
.breadcrumb .current { color: var(--body); }

.toc {
  background: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  padding: 24px 32px;
  margin-bottom: 48px;
}

.toc-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  display: block;
}

.toc ol { padding-left: 20px; }
.toc li { margin-bottom: 8px; }
.toc a { font-size: 14px; color: var(--body); }
.toc a:hover { color: var(--ink); }

.article-body { line-height: 1.7; }
.article-body h2 { margin: 48px 0 16px; color: var(--ink); font-size: 28px; }
.article-body h3 { margin: 32px 0 12px; color: var(--ink); font-size: 20px; }
.article-body p { margin-bottom: 20px; font-size: 15px; line-height: 1.7; }
.article-body ul, .article-body ol { margin-bottom: 20px; padding-left: 24px; }
.article-body li { margin-bottom: 8px; font-size: 15px; color: var(--body); line-height: 1.6; }
.article-body strong { color: var(--ink); font-weight: 600; }

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  align-items: start;
}

.article-aside {
  position: sticky;
  top: 80px;
}

.aside-card {
  background: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  padding: 24px;
  margin-bottom: 24px;
}

.aside-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  display: block;
}

.aside-nav { list-style: none; }
.aside-nav li { margin-bottom: 8px; border-bottom: 1px solid var(--hairline); padding-bottom: 8px; }
.aside-nav li:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.aside-nav a { font-size: 13px; color: var(--body); display: block; padding: 4px 0; }
.aside-nav a:hover { color: var(--ink); text-decoration: none; }

.disclaimer-block {
  border-left: 2px solid var(--primary);
  padding: 16px 20px;
  margin: 24px 0;
  background: rgba(218,41,28,0.04);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.faq-item { border-bottom: 1px solid var(--hairline); }

.faq-item summary {
  padding: 20px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 20px; font-weight: 400; color: var(--muted); flex-shrink: 0; }
.faq-item[open] summary::after { content: '−'; }
.faq-body { padding: 0 0 20px; color: var(--body); font-size: 14px; line-height: 1.6; }

.related-section {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--hairline);
}

.related-section h4 { font-size: 11px; font-weight: 600; letter-spacing: 1.1px; text-transform: uppercase; color: var(--muted); margin-bottom: 24px; }

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
  background: var(--hairline);
}

.related-card {
  background: var(--canvas);
  padding: 24px;
  display: block;
  text-decoration: none;
  transition: background 0.15s;
}

.related-card:hover { background: var(--canvas-elevated); text-decoration: none; }
.related-card .label { font-size: 11px; font-weight: 600; letter-spacing: 1.1px; text-transform: uppercase; color: var(--primary); margin-bottom: 8px; display: block; }
.related-card h5 { font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.related-card p { font-size: 13px; color: var(--body); }

.contact-form { max-width: 600px; }

.form-group { margin-bottom: 24px; }

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.form-group input, .form-group textarea {
  width: 100%;
  background: var(--canvas);
  color: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 14px 16px;
  height: 48px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s;
}

.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--ink); }
.form-group input.error, .form-group textarea.error { border-color: var(--warning); }

.form-error { font-size: 12px; color: var(--warning); margin-top: 4px; display: none; }
.form-error.visible { display: block; }

.form-success {
  background: rgba(3,144,74,0.1);
  border: 1px solid var(--success);
  color: var(--success);
  padding: 16px;
  font-size: 14px;
  display: none;
  margin-top: 16px;
}

.form-success.visible { display: block; }

#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--canvas-elevated);
  border-top: 1px solid var(--hairline);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  z-index: 9999;
}

#cookie-banner p { font-size: 14px; color: var(--body); margin: 0; }
#cookie-banner a { color: var(--primary); }

.cookie-actions { display: flex; gap: 12px; flex-shrink: 0; }

.cookie-accept {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 0;
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  cursor: pointer;
}

.cookie-reject {
  background: transparent;
  color: var(--body);
  border: 1px solid var(--hairline);
  border-radius: 0;
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  cursor: pointer;
}

.footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 48px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 32px;
}

.footer-brand .logo { font-size: 18px; font-weight: 700; color: var(--ink); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; }
.footer-brand .logo span { color: var(--primary); }
.footer-brand p { font-size: 13px; line-height: 1.6; max-width: 280px; }

.footer-col-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  display: block;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: 13px; color: var(--body); }
.footer-links a:hover { color: var(--ink); text-decoration: none; }

.footer-bottom { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.footer-disclaimers { max-width: 600px; }
.footer-disclaimers p { font-size: 12px; color: var(--muted); margin-bottom: 6px; line-height: 1.5; }
.footer-copy { font-size: 13px; color: var(--muted); flex-shrink: 0; }

.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 48px;
}

.divider { height: 1px; background: var(--hairline); margin: 48px 0; }

.livery-band {
  background: var(--primary);
  padding: 64px 0;
  text-align: center;
}

.livery-band h2 { color: var(--on-primary); font-size: 32px; margin-bottom: 16px; }
.livery-band p { color: rgba(255,255,255,0.8); font-size: 16px; max-width: 600px; margin: 0 auto 32px; }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-right { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas-elevated);
    padding: 16px 24px;
    gap: 4px;
    z-index: 99;
    align-items: flex-start;
  }
  .nav-right.open {
    display: flex;
    position: absolute;
    top: auto;
    left: 0;
    right: 0;
    background: var(--canvas-elevated);
    padding: 0 24px 16px;
    z-index: 99;
  }
  .article-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 480px) {
  .container, .container-narrow { padding: 0 16px; }
  .hero-section { padding: 48px 0; }
  h1 { font-size: 28px; }
  .page-hero { padding: 40px 0 32px; }
  #cookie-banner { flex-direction: column; align-items: flex-start; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
}