:root {
    --primary: #f54e00;
    --primary-active: #d04200;
    --ink: #26251e;
    --body-c: #5a5852;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --on-primary: #ffffff;
}

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

body {
    background: var(--canvas);
    color: var(--body-c);
    font-family: 'Inter', system-ui, -apple-system, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    letter-spacing: -0.1px;
    line-height: 1.5;
}

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

h1, h2, h3 { color: var(--ink); font-weight: 400; letter-spacing: -0.5px; font-family: 'Inter', sans-serif; }
h1 { font-size: 44px; letter-spacing: -1.8px; }
h2 { font-size: 28px; margin-top: 40px; }
h3 { font-size: 20px; margin-top: 28px; font-weight: 600; letter-spacing: 0; }

.site-header { background: var(--canvas); border-bottom: 1px solid var(--hairline); position: sticky; top: 0; z-index: 50; }
.header-inner { height: 68px; display: flex; align-items: center; justify-content: space-between; }
.brand { font-weight: 600; font-size: 18px; color: var(--ink); text-decoration: none; }
.brand span { color: var(--primary); }
.main-nav { display: flex; gap: 28px; }
.main-nav a { color: var(--body-c); font-size: 15px; text-decoration: none; }
.main-nav a:hover { color: var(--ink); }

.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: 64px 0; border-bottom: 1px solid var(--hairline); }
.eyebrow { display: inline-block; color: var(--primary); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.2px; margin-bottom: 16px; }
.hero-lead { font-size: 18px; color: var(--body-c); max-width: 640px; }

.btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 26px; border-radius: 8px; font-size: 15px; font-weight: 600; 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(--surface-card); color: var(--ink); border: 1px solid var(--hairline); }
.btn-secondary:hover { text-decoration: none; border-color: var(--muted-soft); }

.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.guide-card { display: block; background: var(--surface-card); border: 1px solid var(--hairline); border-radius: 12px; padding: 28px; text-decoration: none; color: var(--ink); }
.guide-card:hover { border-color: var(--primary); text-decoration: none; }
.guide-card h3 { margin: 0 0 8px; font-size: 18px; }
.guide-card p { color: var(--body-c); font-size: 14px; margin: 0; }
.guide-card .step { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--primary); font-weight: 600; }

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

.toc { background: var(--canvas-soft); border: 1px solid var(--hairline); border-radius: 12px; 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); }
.toc a:hover { color: var(--primary); }

.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: 8px; background: var(--canvas-soft); border: 1px solid var(--hairline); color: var(--ink); font-size: 14px; }
.related-grid a:hover { border-color: var(--primary); text-decoration: none; }

details.faq-item { border: 1px solid var(--hairline); border-radius: 8px; padding: 16px 20px; margin-bottom: 12px; background: var(--surface-card); }
details.faq-item summary { cursor: pointer; font-weight: 600; 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(--primary); }
details.faq-item[open] summary::after { content: '−'; }
details.faq-item p { margin-top: 12px; color: var(--body-c); }

.checklist { list-style: none; margin: 24px 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; background: var(--surface-card); border: 1px solid var(--hairline); border-radius: 8px; padding: 12px 16px; font-size: 14px; color: var(--body-c); }
.checklist li::before { content: '✓'; color: var(--primary); font-weight: 700; }

table { width: 100%; border-collapse: collapse; margin: 24px 0; border-radius: 12px; 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(--canvas-soft); color: var(--ink); font-weight: 600; }

.disclaimer-box { background: var(--canvas-soft); border-left: 3px solid var(--primary); border-radius: 8px; padding: 20px 24px; font-size: 14px; color: var(--body-c); margin: 24px 0; }

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: 600; color: var(--ink); }
.form-group input { height: 44px; background: var(--surface-card); border: 1px solid var(--hairline); border-radius: 8px; padding: 0 14px; font-size: 14px; font-family: inherit; }
.form-group input:focus { outline: none; border-color: var(--primary); }
.form-error { color: #cf2d56; font-size: 13px; display: none; }
.form-msg { font-size: 14px; margin-top: 8px; display: none; }
.form-msg.success { color: #1f8a65; }

.site-footer { border-top: 1px solid var(--hairline); padding: 56px 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-soft); 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(--surface-card); border: 1px solid var(--hairline); border-radius: 12px; padding: 20px 24px; display: none; z-index: 100; box-shadow: 0 8px 32px rgba(38,37,30,0.12); }
.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); }
.entry-image { border-radius: 12px; margin-bottom: 24px; border: 1px solid var(--hairline); aspect-ratio: 16/9; object-fit: cover; }

@media (max-width: 768px) {
    .main-nav { display: none; }
    .nav-toggle { display: flex; }
    .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 16px 24px; gap: 16px; z-index: 40; }
    .guide-grid { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    h1 { font-size: 32px; }
}