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

:root {
  --ink: #181d26;
  --body: #333840;
  --muted: #41454d;
  --canvas: #ffffff;
  --surface-soft: #f8fafc;
  --surface-strong: #e0e2e6;
  --surface-dark: #181d26;
  --hairline: #dddddd;
  --link: #1b61c9;
  --coral: #aa2d00;
  --forest: #0a2e0e;
  --cream: #f5e9d4;
  --on-primary: #ffffff;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --section: 96px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: "Inter Display", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif; font-size: 14px; font-weight: 400; line-height: 1.25; color: var(--body); background: var(--canvas); }

a { color: var(--link); text-decoration: none; }
a:active { color: #1a3866; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 48px; }

nav.top-nav { height: 64px; background: var(--canvas); border-bottom: 1px solid var(--hairline); position: sticky; top: 0; z-index: 100; }
nav.top-nav .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.nav-logo { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.3px; }
.nav-logo:active { color: var(--ink); }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { font-size: 14px; font-weight: 400; color: var(--body); }
.nav-links a:active { color: var(--ink); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; transition: 0.2s; }

.hero-band { padding: var(--section) 0; background: var(--canvas); }
.hero-band h1 { font-size: 40px; font-weight: 400; line-height: 1.2; color: var(--ink); max-width: 720px; margin-bottom: 20px; }
.hero-band p { font-size: 16px; font-weight: 400; line-height: 1.6; color: var(--body); max-width: 560px; margin-bottom: 36px; }
.hero-meta { font-size: 13px; color: var(--muted); }

.section-band { padding: var(--section) 0; }
.section-band.soft { background: var(--surface-soft); }
.section-band.strong { background: var(--surface-strong); }
.section-band.dark { background: var(--surface-dark); color: var(--on-primary); }
.section-band.coral { background: var(--coral); color: var(--on-primary); }
.section-band.cream { background: var(--cream); }

.section-title { font-size: 24px; font-weight: 400; line-height: 1.35; letter-spacing: 0.12px; color: var(--ink); margin-bottom: 12px; }
.section-band.dark .section-title,
.section-band.coral .section-title { color: var(--on-primary); }
.section-subtitle { font-size: 14px; color: var(--muted); margin-bottom: 48px; }
.section-band.dark .section-subtitle,
.section-band.coral .section-subtitle { color: rgba(255,255,255,0.75); }

.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card { background: var(--canvas); border-radius: var(--radius-md); padding: 16px; border: 1px solid var(--hairline); }
.article-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: var(--radius-md); margin-bottom: 16px; }
.article-card .tag { font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 8px; }
.article-card h3 { font-size: 18px; font-weight: 500; line-height: 1.4; color: var(--ink); margin-bottom: 10px; }
.article-card p { font-size: 14px; line-height: 1.5; color: var(--body); margin-bottom: 16px; }
.article-card .meta { font-size: 12px; color: var(--muted); }
.article-card a.read-more { font-size: 14px; font-weight: 500; color: var(--link); }

.signature-coral-card { background: var(--coral); border-radius: var(--radius-lg); padding: 48px; color: var(--on-primary); }
.signature-coral-card h2 { font-size: 32px; font-weight: 400; line-height: 1.2; margin-bottom: 16px; }
.signature-coral-card p { font-size: 14px; line-height: 1.6; max-width: 560px; margin-bottom: 32px; opacity: 0.9; }

.signature-dark-card { background: var(--surface-dark); border-radius: var(--radius-lg); padding: 48px; color: var(--on-primary); }
.signature-dark-card h2 { font-size: 32px; font-weight: 400; line-height: 1.2; margin-bottom: 16px; }
.signature-dark-card p { font-size: 14px; line-height: 1.6; max-width: 560px; opacity: 0.85; }

.cream-callout { background: var(--cream); border-radius: var(--radius-md); padding: 24px; }
.cream-callout h3 { font-size: 20px; font-weight: 400; color: var(--ink); margin-bottom: 12px; }
.cream-callout p { font-size: 14px; color: var(--body); line-height: 1.6; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.info-card { background: var(--canvas); border-radius: var(--radius-md); padding: 24px; border: 1px solid var(--hairline); }
.info-card h3 { font-size: 18px; font-weight: 500; color: var(--ink); margin-bottom: 12px; line-height: 1.4; }
.info-card p { font-size: 14px; color: var(--body); line-height: 1.6; }

.contact-form-section { background: var(--surface-soft); border-radius: var(--radius-lg); padding: 48px; }
.contact-form-section h2 { font-size: 32px; font-weight: 400; color: var(--ink); margin-bottom: 12px; }
.contact-form-section p { font-size: 14px; color: var(--muted); margin-bottom: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--ink); }
.form-group input, .form-group textarea { background: var(--canvas); color: var(--ink); font-size: 14px; font-family: inherit; border: 1px solid var(--hairline); border-radius: var(--radius-sm); padding: 12px 16px; height: 44px; outline: none; }
.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { border-color: #458fff; }
.btn-primary { display: inline-block; background: var(--ink); color: var(--on-primary); font-size: 16px; font-weight: 500; font-family: inherit; line-height: 1.4; padding: 16px 24px; border-radius: var(--radius-lg); border: none; cursor: pointer; }
.btn-primary:active { background: #0d1218; }
.btn-secondary { display: inline-block; background: var(--canvas); color: var(--ink); font-size: 16px; font-weight: 500; font-family: inherit; padding: 16px 24px; border-radius: var(--radius-lg); border: 1px solid var(--hairline); cursor: pointer; }
.btn-secondary-on-dark { display: inline-block; background: var(--canvas); color: var(--ink); font-size: 16px; font-weight: 500; font-family: inherit; padding: 14px 24px; border-radius: var(--radius-lg); border: none; cursor: pointer; }

.cta-band { background: var(--surface-strong); border-radius: var(--radius-lg); padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-band h2 { font-size: 32px; font-weight: 400; color: var(--ink); }
.cta-band p { font-size: 14px; color: var(--muted); margin-top: 8px; }

.page-hero { padding: var(--section) 0 64px; background: var(--canvas); border-bottom: 1px solid var(--hairline); }
.page-hero h1 { font-size: 40px; font-weight: 400; color: var(--ink); line-height: 1.2; margin-bottom: 16px; }
.page-hero p { font-size: 16px; color: var(--body); max-width: 640px; line-height: 1.6; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb span { color: var(--ink); }

.article-body { max-width: 800px; }
.article-body h2 { font-size: 28px; font-weight: 400; color: var(--ink); margin: 48px 0 16px; line-height: 1.3; }
.article-body h3 { font-size: 20px; font-weight: 500; color: var(--ink); margin: 32px 0 12px; line-height: 1.4; }
.article-body p { font-size: 15px; line-height: 1.7; color: var(--body); margin-bottom: 20px; }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 20px; }
.article-body li { font-size: 15px; line-height: 1.7; color: var(--body); margin-bottom: 6px; }
.article-body img { border-radius: var(--radius-md); margin: 32px 0; width: 100%; }
.article-body a { color: var(--link); }
.article-meta { font-size: 13px; color: var(--muted); margin-bottom: 40px; display: flex; gap: 16px; align-items: center; }
.article-tag { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; background: var(--surface-soft); color: var(--muted); padding: 4px 10px; border-radius: 99px; }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 24px; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-grid img { border-radius: var(--radius-md); width: 100%; }

footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: var(--section) 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 48px; }
.footer-brand p { font-size: 14px; color: var(--muted); margin-top: 12px; line-height: 1.6; max-width: 260px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: var(--ink); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 14px; color: var(--muted); }
.footer-col ul li a:active { color: var(--ink); }
.footer-bottom { border-top: 1px solid var(--hairline); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 13px; color: var(--muted); }
.footer-bottom nav { display: flex; gap: 24px; }
.footer-bottom nav a { font-size: 13px; color: var(--muted); }

.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--ink); color: var(--on-primary); padding: 20px 48px; display: flex; align-items: center; justify-content: space-between; gap: 24px; z-index: 999; }
.cookie-banner p { font-size: 13px; line-height: 1.5; opacity: 0.9; max-width: 680px; }
.cookie-banner p a { color: #81aff4; }
.cookie-actions { display: flex; gap: 12px; flex-shrink: 0; }
.btn-accept, .btn-reject { font-size: 13.12px; font-weight: 600; font-family: inherit; padding: 10px 16px; border-radius: 2px; cursor: pointer; border: none; }
.btn-accept { background: var(--link); color: var(--on-primary); }
.btn-reject { background: transparent; color: var(--on-primary); border: 1px solid rgba(255,255,255,0.4); }

.disclaimer { background: var(--surface-soft); border: 1px solid var(--hairline); border-radius: var(--radius-sm); padding: 16px 20px; font-size: 13px; color: var(--muted); line-height: 1.5; margin-top: 32px; }

.contact-info { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-item { background: var(--canvas); border: 1px solid var(--hairline); border-radius: var(--radius-md); padding: 24px; }
.contact-item h3 { font-size: 16px; font-weight: 500; color: var(--ink); margin-bottom: 10px; }
.contact-item p, .contact-item a { font-size: 14px; color: var(--body); line-height: 1.6; }
.contact-item a { color: var(--link); }

.prose-section { padding: var(--section) 0; }
.prose-section h2 { font-size: 24px; font-weight: 400; color: var(--ink); margin: 40px 0 12px; }
.prose-section h3 { font-size: 18px; font-weight: 500; color: var(--ink); margin: 28px 0 10px; }
.prose-section p { font-size: 14px; color: var(--body); line-height: 1.7; margin-bottom: 16px; }
.prose-section ul { padding-left: 20px; margin-bottom: 16px; }
.prose-section li { font-size: 14px; color: var(--body); line-height: 1.7; margin-bottom: 4px; }
.prose-section .update-date { font-size: 13px; color: var(--muted); margin-bottom: 32px; }

.schema-org { display: none; }

@media (max-width: 1024px) {
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .three-col { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .contact-info { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  nav.top-nav .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 20px; gap: 16px; }
  nav.top-nav .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero-band { padding: 64px 0; }
  .hero-band h1 { font-size: 28px; }
  .section-band { padding: 64px 0; }
  .articles-grid { grid-template-columns: 1fr; }
  .three-col { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .cta-band { flex-direction: column; text-align: center; }
  .cookie-banner { flex-direction: column; padding: 20px; }
  .contact-info { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .signature-coral-card, .signature-dark-card { padding: 32px 24px; }
  .contact-form-section { padding: 32px 24px; }
  .page-hero h1 { font-size: 28px; }
}