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

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

:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --primary: #f54e00;
    --primary-active: #d04200;
    --on-primary: #ffffff;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --semantic-success: #1f8a65;
    --semantic-error: #cf2d56;
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-pill: 9999px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body { background: var(--canvas); color: var(--body); font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif; font-weight: 400; line-height: 1.5; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
img { max-width: 100%; height: auto; display: block; }

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

/* TOP NAV */
.top-nav { background: var(--canvas); border-bottom: 1px solid var(--hairline); height: 64px; position: sticky; top: 0; z-index: 100; }
.top-nav .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { font-size: 16px; font-weight: 600; color: var(--ink); letter-spacing: -0.5px; }
.nav-logo span { color: var(--primary); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--body); line-height: 1.4; transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); }
.nav-mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-mobile-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; border-radius: 2px; transition: all 0.2s; }
.nav-mobile-menu { display: none; background: var(--canvas); border-top: 1px solid var(--hairline); padding: 16px 0; }
.nav-mobile-menu.open { display: block; }
.nav-mobile-menu ul { list-style: none; }
.nav-mobile-menu li a { display: block; padding: 10px 24px; font-size: 15px; color: var(--body); }

/* HERO */
.hero-band { padding: 80px 0; }
.hero-label { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); background: var(--surface-strong); padding: 4px 10px; border-radius: var(--radius-pill); margin-bottom: 20px; }
.hero-band h1 { font-size: 72px; font-weight: 400; line-height: 1.1; letter-spacing: -2.16px; color: var(--ink); max-width: 760px; margin-bottom: 24px; }
.hero-band .hero-sub { font-size: 16px; color: var(--body); max-width: 560px; margin-bottom: 40px; line-height: 1.5; }
.hero-image { margin-top: 48px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--hairline); }
.hero-image img { width: 100%; height: 420px; object-fit: cover; }

/* SECTIONS */
.section { padding: 80px 0; }
.section-label { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.section-title { font-size: 36px; font-weight: 400; line-height: 1.2; letter-spacing: -0.72px; color: var(--ink); margin-bottom: 16px; }
.section-sub { font-size: 16px; color: var(--body); max-width: 600px; line-height: 1.5; }
.divider { border: none; border-top: 1px solid var(--hairline); margin: 0; }

/* ARTICLE CARDS */
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.article-card { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--radius-lg); overflow: hidden; transition: border-color 0.15s; }
.article-card:hover { border-color: var(--hairline-strong); }
.article-card-img { height: 200px; overflow: hidden; }
.article-card-img img { width: 100%; height: 100%; object-fit: cover; }
.article-card-body { padding: 24px; }
.article-card-meta { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.article-card-title { font-size: 18px; font-weight: 600; color: var(--ink); line-height: 1.35; margin-bottom: 12px; }
.article-card-excerpt { font-size: 14px; color: var(--body); line-height: 1.5; }
.article-card-link { display: inline-block; margin-top: 16px; font-size: 14px; font-weight: 500; color: var(--primary); }

/* FEATURE CARDS */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.feature-card { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 24px; }
.feature-card-icon { font-size: 24px; margin-bottom: 14px; }
.feature-card-title { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.feature-card-text { font-size: 14px; color: var(--body); line-height: 1.5; }

/* ARTICLE PAGE */
.article-hero { padding: 60px 0 0; }
.article-hero .breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.article-hero .breadcrumb a { color: var(--muted); }
.article-hero .breadcrumb a:hover { color: var(--ink); }
.article-hero h1 { font-size: 48px; font-weight: 400; line-height: 1.15; letter-spacing: -1.5px; color: var(--ink); max-width: 760px; margin-bottom: 20px; }
.article-meta { display: flex; gap: 16px; align-items: center; font-size: 13px; color: var(--muted); margin-bottom: 32px; }
.article-meta .category-pill { background: var(--surface-strong); padding: 4px 10px; border-radius: var(--radius-pill); font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--ink); }
.article-hero-img { width: 100%; height: 460px; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid var(--hairline); margin-top: 32px; }
.article-body { padding: 60px 0 80px; }
.article-content { max-width: 720px; }
.article-content h2 { font-size: 26px; font-weight: 400; letter-spacing: -0.325px; color: var(--ink); line-height: 1.25; margin: 40px 0 16px; }
.article-content h3 { font-size: 20px; font-weight: 600; color: var(--ink); margin: 28px 0 12px; }
.article-content p { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 20px; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 20px; }
.article-content li { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 6px; }
.article-content a { color: var(--primary); text-decoration: underline; text-decoration-color: transparent; transition: text-decoration-color 0.15s; }
.article-content a:hover { text-decoration-color: var(--primary); }
.article-content .callout { background: var(--surface-card); border: 1px solid var(--hairline); border-left: 3px solid var(--primary); border-radius: var(--radius-md); padding: 20px 24px; margin: 28px 0; }
.article-content .callout p { margin: 0; }
.article-content figure { margin: 32px 0; }
.article-content figure img { border-radius: var(--radius-lg); border: 1px solid var(--hairline); width: 100%; height: 360px; object-fit: cover; }
.article-content figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }
.article-sidebar { padding-top: 20px; }
.related-articles h3 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 16px; }
.related-list { list-style: none; }
.related-list li { border-bottom: 1px solid var(--hairline-soft); padding: 12px 0; }
.related-list li:first-child { padding-top: 0; }
.related-list a { font-size: 14px; color: var(--body); line-height: 1.4; }
.related-list a:hover { color: var(--ink); }

/* TWO COLUMN LAYOUT */
.two-col { display: grid; grid-template-columns: 1fr 300px; gap: 60px; }

/* CONTACT / ABOUT SECTIONS */
.page-hero { padding: 60px 0 40px; }
.page-hero h1 { font-size: 48px; font-weight: 400; letter-spacing: -1.5px; color: var(--ink); line-height: 1.15; margin-bottom: 16px; }
.page-hero p { font-size: 16px; color: var(--body); max-width: 600px; line-height: 1.5; }
.page-content { padding: 40px 0 80px; }
.page-content h2 { font-size: 26px; font-weight: 400; letter-spacing: -0.325px; color: var(--ink); margin: 32px 0 14px; }
.page-content h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin: 24px 0 10px; }
.page-content p { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 16px; }
.page-content ul, .page-content ol { padding-left: 24px; margin-bottom: 16px; }
.page-content li { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 6px; }

/* FORM */
.contact-section { padding: 60px 0 80px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 40px; }
.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, .form-group textarea { width: 100%; background: var(--surface-card); border: 1px solid var(--hairline-strong); border-radius: var(--radius-md); padding: 12px 16px; font-size: 16px; color: var(--ink); font-family: inherit; height: 44px; outline: none; transition: border-color 0.15s; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { height: 120px; resize: vertical; }
.form-group input.error, .form-group textarea.error { border-color: var(--semantic-error); }
.form-error-msg { font-size: 13px; color: var(--semantic-error); margin-top: 4px; display: none; }
.form-error-msg.show { display: block; }
.btn-primary { background: var(--primary); color: var(--on-primary); border: none; border-radius: var(--radius-md); padding: 10px 18px; height: 40px; font-size: 14px; font-weight: 500; cursor: pointer; transition: background 0.15s; font-family: inherit; }
.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.7; cursor: not-allowed; }
.form-status { margin-top: 16px; padding: 14px 18px; border-radius: var(--radius-md); font-size: 14px; display: none; }
.form-status.success { display: block; background: #e8f5f1; color: var(--semantic-success); border: 1px solid #b8ddd3; }
.form-status.loading { display: block; color: var(--muted); }
.contact-info h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 16px; }
.contact-info p { font-size: 15px; color: var(--body); line-height: 1.6; margin-bottom: 12px; }

/* FOOTER */
.footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 64px 0 48px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { font-size: 14px; color: var(--body); line-height: 1.6; margin-top: 12px; max-width: 240px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: var(--ink); letter-spacing: 0.3px; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 14px; color: var(--body); transition: color 0.15s; }
.footer-col ul li a:hover { color: var(--ink); }
.footer-bottom { border-top: 1px solid var(--hairline-soft); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 13px; color: var(--muted); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 13px; color: var(--muted); }
.footer-bottom-links a:hover { color: var(--ink); }

/* COOKIE BANNER */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--ink); color: var(--canvas); padding: 20px 24px; z-index: 999; display: none; }
.cookie-banner.visible { display: block; }
.cookie-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.cookie-text { flex: 1; font-size: 14px; color: #d4d3ce; line-height: 1.5; min-width: 200px; }
.cookie-text a { color: var(--canvas); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-btn-accept { background: var(--primary); color: var(--on-primary); border: none; padding: 8px 18px; border-radius: var(--radius-md); font-size: 14px; font-weight: 500; cursor: pointer; font-family: inherit; }
.cookie-btn-reject { background: transparent; color: var(--canvas); border: 1px solid #666; padding: 8px 18px; border-radius: var(--radius-md); font-size: 14px; cursor: pointer; font-family: inherit; }

/* DISCLAIMER */
.disclaimer { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--radius-md); padding: 16px 20px; margin: 32px 0; }
.disclaimer p { font-size: 13px; color: var(--muted); line-height: 1.5; margin: 0; }

/* SCHEMA / UPDATED DATE */
.updated-date { font-size: 13px; color: var(--muted); margin-top: 8px; }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero-band h1 { font-size: 56px; letter-spacing: -1.5px; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .two-col { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hero-band { padding: 48px 0; }
    .hero-band h1 { font-size: 36px; letter-spacing: -1px; }
    .section { padding: 48px 0; }
    .section-title { font-size: 28px; }
    .nav-links { display: none; }
    .nav-mobile-toggle { display: flex; flex-direction: column; }
    .articles-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .article-hero h1 { font-size: 32px; letter-spacing: -0.5px; }
    .article-hero-img { height: 260px; }
    .page-hero h1 { font-size: 32px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
    .hero-band h1 { font-size: 28px; }
    .footer-grid { grid-template-columns: 1fr; }
}