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

:root {
  --primary: #024ad8;
  --primary-bright: #296ef9;
  --primary-deep: #0e3191;
  --primary-soft: #c9e0fc;
  --canvas: #ffffff;
  --cloud: #f7f7f7;
  --fog: #e8e8e8;
  --ink: #1a1a1a;
  --charcoal: #3d3d3d;
  --graphite: #636363;
  --on-ink: #ffffff;
  --steel: #c2c2c2;
  --success: #1f8a65;
  --error: #b3262b;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', Arial, sans-serif;
  background: var(--canvas);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
}

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

h1 { font-size: 44px; font-weight: 500; line-height: 1.0; color: var(--ink); margin-bottom: 20px; }
h2 { font-size: 32px; font-weight: 500; line-height: 1.0; color: var(--ink); margin-bottom: 16px; }
h3 { font-size: 24px; font-weight: 500; line-height: 1.17; color: var(--ink); margin-bottom: 12px; }
h4 { font-size: 20px; font-weight: 500; line-height: 1.0; color: var(--ink); margin-bottom: 10px; }
h5 { font-size: 16px; font-weight: 500; line-height: 1.38; color: var(--ink); margin-bottom: 8px; }

p { color: var(--charcoal); line-height: 1.5; margin-bottom: 16px; }

.container-xl { max-width: 1366px; margin: 0 auto; padding: 0 24px; }

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  padding: 12px 24px;
  height: 44px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}
.btn-primary:hover { background: var(--primary-deep); text-decoration: none; color: #fff; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  background: var(--canvas);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  padding: 12px 24px;
  height: 44px;
  border-radius: 4px;
  border: 1px solid var(--primary);
  cursor: pointer;
  text-decoration: none;
}
.btn-outline:hover { background: var(--primary-soft); text-decoration: none; }

.btn-ink {
  display: inline-flex;
  align-items: center;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  padding: 12px 24px;
  height: 44px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-ink:hover { background: #333; text-decoration: none; color: #fff; }

.site-header {
  background: var(--canvas);
  border-bottom: 1px solid var(--fog);
  position: sticky;
  top: 0;
  z-index: 200;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.site-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.site-logo span { color: var(--primary); }

.top-nav { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.top-nav a {
  font-size: 16px;
  font-weight: 400;
  color: var(--ink);
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  white-space: nowrap;
}
.top-nav a:hover, .top-nav a.active { color: var(--primary); text-decoration: none; }
.top-nav a.active { border-bottom: 2px solid var(--primary); }

.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; }

.page-layout { display: grid; grid-template-columns: 260px 1fr; gap: 0; min-height: calc(100vh - 64px); }

.sidebar {
  background: var(--cloud);
  border-right: 1px solid var(--fog);
  padding: 32px 0;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
}
.sidebar-section { margin-bottom: 24px; }
.sidebar-section-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--graphite);
  padding: 0 20px 8px;
}
.sidebar-nav { list-style: none; margin: 0; padding: 0; }
.sidebar-nav a {
  display: block;
  font-size: 14px;
  font-weight: 400;
  color: var(--charcoal);
  padding: 8px 20px;
  text-decoration: none;
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover { color: var(--primary); background: #fff; }
.sidebar-nav a.active { color: var(--primary); border-left-color: var(--primary); background: var(--primary-soft); font-weight: 500; }

.main-content { padding: 48px 48px 80px; max-width: 960px; }

.hero-band {
  background: var(--canvas);
  padding: 80px 0;
  border-bottom: 1px solid var(--fog);
}
.hero-eyebrow {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
  display: block;
}
.hero-band p { font-size: 18px; font-weight: 400; color: var(--charcoal); max-width: 640px; margin-bottom: 32px; }

.section-band { padding: 80px 0; }
.section-band-cloud { background: var(--cloud); }
.section-band-ink { background: var(--ink); }
.section-band-ink h2, .section-band-ink h3, .section-band-ink p { color: var(--on-ink); }

.card {
  background: var(--canvas);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(26,26,26,0.08);
}
.card h3, .card h4 { margin-bottom: 10px; }
.card p { margin-bottom: 0; font-size: 14px; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 32px 0; }
.card-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 32px 0; }

.doc-card {
  background: var(--canvas);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(26,26,26,0.08);
  border-top: 3px solid var(--primary);
}
.doc-card h4 { color: var(--primary); margin-bottom: 8px; }
.doc-card p { font-size: 14px; color: var(--charcoal); margin-bottom: 0; }

.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 14px; color: var(--graphite); margin-bottom: 24px; flex-wrap: wrap; }
.breadcrumb a { color: var(--graphite); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--steel); }

.toc {
  background: var(--cloud);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 32px;
  border: 1px solid var(--fog);
}
.toc h5 { color: var(--ink); margin-bottom: 12px; }
.toc ol { padding-left: 20px; margin: 0; }
.toc li { margin-bottom: 6px; }
.toc a { font-size: 14px; color: var(--charcoal); }
.toc a:hover { color: var(--primary); }

.related-content { border-top: 1px solid var(--fog); margin-top: 48px; padding-top: 32px; }
.related-content h4 { margin-bottom: 16px; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.related-card { background: var(--cloud); border-radius: 8px; padding: 16px; }
.related-card h5 { font-size: 14px; margin-bottom: 6px; }
.related-card p { font-size: 13px; color: var(--graphite); margin-bottom: 0; }

.faq-accordion { margin: 0; }
.faq-item { border: 1px solid var(--fog); border-radius: 8px; margin-bottom: 8px; overflow: hidden; }
.faq-summary {
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--canvas);
}
.faq-summary::-webkit-details-marker { display: none; }
.faq-summary::after { content: '+'; font-size: 20px; color: var(--graphite); flex-shrink: 0; }
details[open] .faq-summary::after { content: '−'; }
details[open] .faq-summary { border-bottom: 1px solid var(--fog); }
.faq-body { padding: 16px 20px; background: var(--cloud); }
.faq-body p { margin-bottom: 0; font-size: 15px; }

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--fog);
  font-size: 15px;
  color: var(--charcoal);
  align-items: flex-start;
}
.checklist li::before { content: '☐'; color: var(--primary); font-size: 18px; flex-shrink: 0; margin-top: 1px; }

.badge-pill {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 8px;
  padding: 4px 10px;
  margin-bottom: 12px;
}
.badge-blue { background: var(--primary-soft); color: var(--primary); border-radius: 8px; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 14px; color: var(--ink); margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%;
  background: var(--canvas);
  color: var(--ink);
  border: 1px solid var(--steel);
  border-radius: 4px;
  padding: 10px 14px;
  height: 44px;
  font-size: 16px;
  font-family: inherit;
}
.form-group textarea { height: auto; min-height: 120px; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--ink); }
.form-message { display: none; padding: 12px 16px; border-radius: 4px; font-weight: 500; margin-top: 16px; }
.form-message.success { background: #d1fae5; color: var(--success); }

.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--ink);
  color: #fff;
  padding: 20px 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cookie-banner p { color: #fff; margin: 0; font-size: 14px; }
.cookie-banner a { color: var(--primary-bright); }
.cookie-buttons { display: flex; gap: 12px; }
.cookie-btn-accept { background: var(--primary); color: #fff; border: none; border-radius: 4px; padding: 8px 18px; font-size: 14px; font-weight: 600; cursor: pointer; }
.cookie-btn-reject { background: transparent; color: #fff; border: 1px solid var(--steel); border-radius: 4px; padding: 8px 18px; font-size: 14px; font-weight: 600; cursor: pointer; }

.site-footer { background: var(--ink); color: var(--on-ink); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; margin-bottom: 48px; }
.footer-col h5 { font-size: 16px; font-weight: 500; color: #fff; margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { font-size: 14px; color: var(--steel); text-decoration: none; }
.footer-col ul a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #333; padding-top: 24px; display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.footer-disclaimer { font-size: 12px; color: var(--steel); max-width: 700px; line-height: 1.5; }
.footer-copy { font-size: 14px; color: var(--graphite); white-space: nowrap; }
.footer-legal { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; }
.footer-legal a { font-size: 12px; color: var(--steel); text-decoration: none; }
.footer-legal a:hover { color: #fff; }

.img-wrap { border-radius: 16px; overflow: hidden; margin: 24px 0; }
.img-wrap img { width: 100%; height: 280px; object-fit: cover; display: block; }

.loading-spinner { display: none; width: 20px; height: 20px; border: 2px solid var(--fog); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.6s linear infinite; margin: 0 auto; }
@keyframes spin { to { transform: rotate(360deg); } }

.info-box { background: var(--primary-soft); border-left: 4px solid var(--primary); border-radius: 0 8px 8px 0; padding: 16px 20px; margin: 20px 0; }
.info-box p { color: var(--ink); margin: 0; font-size: 14px; }

@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; display: none; }
  .sidebar.open { display: block; }
  .main-content { padding: 32px 20px 48px; }
  .card-grid, .card-grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; }
  .top-nav { display: none; }
  .hamburger { display: block; }
  .hero-band { padding: 48px 0; }
  .related-grid { grid-template-columns: 1fr; }
  .section-band { padding: 48px 0; }
}