:root {
  --ink: #181d26;
  --primary-active: #0d1218;
  --body: #333840;
  --muted: #41454d;
  --hairline: #dddddd;
  --border-strong: #9297a0;
  --canvas: #ffffff;
  --surface-soft: #f8fafc;
  --surface-strong: #e0e2e6;
  --surface-dark: #181d26;
  --signature-coral: #aa2d00;
  --signature-forest: #0a2e0e;
  --signature-cream: #f5e9d4;
  --signature-mint: #a8d8c4;
  --link: #1b61c9;
  --link-active: #1a3866;
  --info-border: #458fff;
  --success: #006400;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Helvetica Neue", Arial, "Segoe UI", sans-serif;
  color: var(--body);
  background: var(--canvas);
  margin: 0;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 16px;
}

h1 { font-size: 40px; font-weight: 400; }
h2 { font-size: 32px; font-weight: 400; }
h3 { font-size: 24px; }
h4 { font-size: 18px; font-weight: 500; }

p { margin: 0 0 16px; }

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-active); }
a:active { color: var(--link-active); }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 64px 0;
}

.btn-primary {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  padding: 16px 24px;
  border-radius: 12px;
  font-weight: 500;
  font-size: 16px;
  border: none;
  cursor: pointer;
}
.btn-primary:active, .btn-primary:hover { background: var(--primary-active); color: #fff; }

.btn-secondary {
  display: inline-block;
  background: var(--canvas);
  color: var(--ink);
  padding: 16px 24px;
  border-radius: 12px;
  font-weight: 500;
  font-size: 16px;
  border: 1px solid var(--hairline);
  cursor: pointer;
}

.top-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: auto;
  position: sticky;
  top: 0;
  z-index: 50;
}
.top-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.brand {
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
}
.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--ink);
  font-size: 14px;
  font-weight: 400;
}

.layout-with-sidebar {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  align-items: start;
}
@media (max-width: 900px) {
  .layout-with-sidebar { grid-template-columns: 1fr; }
}

.sidebar {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 24px;
  position: sticky;
  top: 88px;
}
.sidebar h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 12px; }
.sidebar ul { list-style: none; margin: 0 0 20px; padding: 0; }
.sidebar li { margin-bottom: 8px; }
.sidebar a { color: var(--body); font-size: 14px; }

.card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 24px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }
}

.signature-card {
  background: var(--signature-coral);
  color: #fff;
  border-radius: 12px;
  padding: 48px;
}
.signature-card h2, .signature-card h3 { color: #fff; }

.signature-card-forest {
  background: var(--signature-forest);
  color: #fff;
  border-radius: 12px;
  padding: 48px;
}
.signature-card-forest h2, .signature-card-forest h3 { color: #fff; }

.cream-callout {
  background: var(--signature-cream);
  border-radius: 10px;
  padding: 24px;
}

.timeline {
  border-left: 2px solid var(--hairline);
  margin-left: 12px;
  padding-left: 32px;
}
.timeline-item {
  position: relative;
  padding-bottom: 32px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
}
.timeline-date {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 4px;
}

.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb span { margin: 0 6px; }

.toc {
  background: var(--surface-soft);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 32px;
}
.toc h4 { margin-bottom: 12px; font-size: 16px; }
.toc ul { margin: 0; padding-left: 20px; }
.toc li { margin-bottom: 6px; }

.related-content {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--hairline);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .related-grid { grid-template-columns: 1fr; }
}

.related-grid a {
  display: block;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 16px;
  color: var(--ink);
  font-weight: 500;
  font-size: 15px;
}

img { max-width: 100%; height: auto; border-radius: 10px; display: block; }

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}
th, td {
  border: 1px solid var(--hairline);
  padding: 12px;
  text-align: left;
  font-size: 14px;
}
th { background: var(--surface-soft); color: var(--ink); font-weight: 500; }

details {
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
}
summary {
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
}

footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 32px;
  color: var(--body);
  font-size: 14px;
}
.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 900px) {
  .footer-columns { grid-template-columns: 1fr; }
}
.footer-columns h4 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 12px;
}
.footer-columns ul { list-style: none; padding: 0; margin: 0; }
.footer-columns li { margin-bottom: 8px; }
.footer-columns a { color: var(--body); }
.footer-legal {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  font-size: 13px;
  color: var(--muted);
}
.footer-legal p { margin-bottom: 8px; }

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface-dark);
  color: #fff;
  padding: 20px 24px;
  display: none;
  z-index: 100;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}
.cookie-banner.visible { display: flex; }
.cookie-banner p { margin: 0; font-size: 14px; max-width: 640px; }
.cookie-actions { display: flex; gap: 12px; }
.cookie-actions button {
  border-radius: 2px;
  padding: 12px 20px;
  font-weight: 600;
  font-size: 13px;
  border: none;
  cursor: pointer;
}
.cookie-accept { background: var(--link); color: #fff; }
.cookie-reject { background: transparent; color: #fff; border: 1px solid #fff !important; }

form.contact-form {
  max-width: 520px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}
.form-group input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 14px;
  font-family: inherit;
}
.form-group input:focus {
  outline: none;
  border-color: var(--info-border);
}
.form-error {
  color: var(--signature-coral);
  font-size: 13px;
  margin-top: 4px;
  display: none;
}
.form-error.visible { display: block; }
.form-success {
  background: var(--surface-soft);
  border: 1px solid var(--success);
  color: var(--success);
  padding: 16px;
  border-radius: 10px;
  margin-top: 16px;
  display: none;
}
.form-success.visible { display: block; }
.submit-btn[disabled] { opacity: 0.6; cursor: not-allowed; }

.disclaimer-box {
  background: var(--surface-soft);
  border-left: 3px solid var(--border-strong);
  padding: 16px 20px;
  font-size: 13px;
  color: var(--muted);
  border-radius: 6px;
  margin: 24px 0;
}

.hero {
  padding: 64px 0;
  text-align: left;
}
.hero p.lead {
  font-size: 18px;
  color: var(--body);
  max-width: 720px;
}
.tag {
  display: inline-block;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}