:root {
    --primary: #181d26;
    --primary-active: #0d1218;
    --ink: #181d26;
    --body-c: #333840;
    --muted: #41454d;
    --hairline: #dddddd;
    --canvas: #ffffff;
    --surface-soft: #f8fafc;
    --surface-strong: #e0e2e6;
    --signature-coral: #aa2d00;
    --signature-forest: #0a2e0e;
    --signature-cream: #f5e9d4;
    --on-primary: #ffffff;
    --link: #1b61c9;
    --success: #006400;
    --error: #cf2d56;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    background: var(--canvas);
    color: var(--body-c);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.5;
    font-size: 14px;
    margin: 0;
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

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

h1, h2, h3 { color: var(--ink); font-weight: 400; }
h1 { font-size: 40px; line-height: 1.2; }
h2 { font-size: 32px; margin-top: 48px; }
h3 { font-size: 24px; margin-top: 32px; }

.topbar { background: var(--canvas); border-bottom: 1px solid var(--hairline); position: sticky; top: 0; z-index: 50; height: 64px; display: flex; align-items: center; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.logo { font-weight: 500; font-size: 18px; color: var(--ink); text-decoration: none; }
.logo span { color: var(--signature-coral); }
.main-nav { display: flex; gap: 28px; }
.main-nav a { color: var(--ink); font-size: 14px; text-decoration: none; }
.main-nav a:hover { color: var(--signature-coral); text-decoration: none; }
.nav-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); }

.hero { padding: 96px 0; border-bottom: 1px solid var(--hairline); }
.hero-lead { font-size: 16px; color: var(--body-c); max-width: 640px; }
.eyebrow { display: inline-block; color: var(--signature-coral); font-size: 13px; font-weight: 500; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }

.btn { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 24px; border-radius: 12px; font-size: 16px; font-weight: 500; text-decoration: none; border: none; cursor: pointer; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); text-decoration: none; }
.btn-secondary { background: var(--canvas); color: var(--ink); border: 1px solid var(--hairline); }
.btn-secondary:hover { text-decoration: none; border-color: #9297a0; }

.section { padding: 64px 0; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.article-card { display: block; background: var(--canvas); border: 1px solid var(--hairline); border-radius: 10px; padding: 16px; text-decoration: none; color: var(--ink); }
.article-card:hover { border-color: var(--signature-coral); text-decoration: none; }
.article-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 10px; margin-bottom: 16px; }
.article-card h3 { margin: 0 0 8px; font-size: 18px; font-weight: 500; }
.article-card p { color: var(--body-c); font-size: 14px; margin: 0; }
.article-card .tag { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--signature-coral); font-weight: 500; }

.signature-card { border-radius: 12px; padding: 48px; margin: 96px 0; color: var(--on-primary); }
.signature-coral { background: var(--signature-coral); }
.signature-forest { background: var(--signature-forest); }
.signature-card h2 { color: var(--on-primary); margin-top: 0; }
.signature-card p { color: rgba(255,255,255,0.85); max-width: 640px; }

.layout-with-sidebar { display: grid; grid-template-columns: 1fr 280px; gap: 48px; }
.sidebar { background: var(--surface-soft); border-radius: 10px; padding: 24px; align-self: start; }
.sidebar-title { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin: 0 0 16px; }
.sidebar-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.sidebar-list a { color: var(--ink); font-size: 14px; }

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

.toc { background: var(--surface-soft); border-radius: 10px; padding: 24px; margin: 32px 0; }
.toc-title { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 12px; }
.toc ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.toc a { font-size: 14px; color: var(--ink); }

.related-content { margin-top: 48px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }
.related-grid a { display: block; padding: 16px; border-radius: 10px; background: var(--surface-soft); color: var(--ink); font-size: 14px; }
.related-grid a:hover { text-decoration: none; background: var(--surface-strong); }

details.faq-item { border: 1px solid var(--hairline); border-radius: 10px; padding: 16px 20px; margin-bottom: 12px; background: var(--canvas); }
details.faq-item summary { cursor: pointer; font-weight: 500; color: var(--ink); list-style: none; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after { content: '+'; float: right; color: var(--signature-coral); }
details.faq-item[open] summary::after { content: '−'; }
details.faq-item p { margin-top: 12px; color: var(--body-c); }

table { width: 100%; border-collapse: collapse; margin: 24px 0; border-radius: 10px; overflow: hidden; border: 1px solid var(--hairline); }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--hairline); font-size: 14px; }
th { background: var(--surface-soft); color: var(--ink); font-weight: 500; }

.disclaimer-box { background: var(--surface-soft); border-left: 3px solid var(--signature-coral); border-radius: 10px; padding: 20px 24px; font-size: 14px; color: var(--body-c); margin: 24px 0; }

.entry-image { border-radius: 12px; margin-bottom: 24px; aspect-ratio: 16/9; object-fit: cover; width: 100%; }

form.contact-form { display: flex; flex-direction: column; gap: 16px; max-width: 480px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 14px; font-weight: 500; color: var(--ink); }
.form-group input { height: 44px; background: var(--canvas); border: 1px solid var(--hairline); border-radius: 6px; padding: 0 16px; font-size: 14px; font-family: inherit; }
.form-group input:focus { outline: none; border-color: var(--link); }
.form-error { color: var(--error); font-size: 13px; display: none; }
.form-msg { font-size: 14px; margin-top: 8px; display: none; }
.form-msg.success { color: var(--success); }

.site-footer { border-top: 1px solid var(--hairline); padding: 64px 0 24px; margin-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 14px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { color: var(--body-c); font-size: 14px; }
.footer-disclaimer { font-size: 12px; color: var(--muted); margin-top: 16px; }
.footer-bottom { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--hairline); font-size: 13px; color: var(--muted); }

.cookie-banner { position: fixed; bottom: 16px; left: 16px; right: 16px; max-width: 560px; margin: 0 auto; background: var(--canvas); border: 1px solid var(--hairline); border-radius: 12px; padding: 20px 24px; display: none; z-index: 100; box-shadow: 0 8px 32px rgba(24,29,38,0.12); }
.cookie-banner.visible { display: block; }
.cookie-banner p { font-size: 13px; color: var(--body-c); margin: 0 0 16px; }
.cookie-actions { display: flex; gap: 12px; }

.page-header { padding: 56px 0 32px; border-bottom: 1px solid var(--hairline); }

@media (max-width: 900px) {
    .layout-with-sidebar { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .nav-toggle { display: flex; }
    .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 16px 24px; gap: 16px; z-index: 40; }
    .card-grid { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    h1 { font-size: 28px; }
    .signature-card { padding: 32px; }
}