*, *::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;
  --ink: #26251e;
  --body: #5a5852;
  --body-strong: #26251e;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --on-primary: #ffffff;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --success: #1f8a65;
  --error: #cf2d56;
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --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: var(--font-sans); font-size: 16px; line-height: 1.5; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }

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

/* NAV */
.site-nav { background: var(--canvas); border-bottom: 1px solid var(--hairline); position: sticky; top: 0; z-index: 100; }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.02em; }
.nav-logo:hover { color: var(--primary); }
.nav-links { list-style: none; display: flex; gap: 28px; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--ink); transition: color 0.15s; }
.nav-links a:hover { color: var(--primary); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all 0.2s; }

/* HERO */
.hero { padding: 80px 0 64px; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.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); border-radius: var(--radius-pill); padding: 4px 10px; margin-bottom: 20px; }
.hero-title { font-size: 48px; font-weight: 400; line-height: 1.1; letter-spacing: -1.2px; color: var(--ink); margin-bottom: 20px; }
.hero-desc { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 32px; max-width: 480px; }
.hero-image { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--hairline); }
.hero-image img { width: 100%; height: 380px; object-fit: cover; }

/* SECTION LABELS */
.section-label { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }

/* ARTICLES GRID */
.articles-section { padding: 80px 0; border-top: 1px solid var(--hairline); }
.section-title { font-size: 36px; font-weight: 400; color: var(--ink); letter-spacing: -0.72px; margin-bottom: 8px; }
.section-sub { font-size: 16px; color: var(--body); margin-bottom: 48px; }
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.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; transition: transform 0.3s; }
.article-card:hover .article-card-img img { transform: scale(1.03); }
.article-card-body { padding: 24px; }
.article-card-tag { 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: 10px; }
.article-card-excerpt { font-size: 14px; color: var(--body); line-height: 1.5; margin-bottom: 16px; }
.article-card-meta { font-size: 13px; color: var(--muted); }

/* INFO BAND */
.info-band { background: var(--canvas-soft); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); padding: 80px 0; }
.info-band-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.info-item { }
.info-item-title { font-size: 22px; font-weight: 400; color: var(--ink); letter-spacing: -0.11px; margin-bottom: 12px; }
.info-item-text { font-size: 15px; color: var(--body); line-height: 1.6; }

/* CONTACT FORM */
.contact-section { padding: 80px 0; border-top: 1px solid var(--hairline); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-intro h2 { font-size: 36px; font-weight: 400; color: var(--ink); letter-spacing: -0.72px; margin-bottom: 16px; }
.contact-intro p { font-size: 16px; color: var(--body); line-height: 1.6; }
.contact-form { }
.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; font-family: var(--font-sans); color: var(--ink); height: 44px; outline: none; transition: border-color 0.15s; }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--ink); }
.form-group textarea { height: 120px; resize: vertical; }
.form-msg { display: none; padding: 12px 16px; border-radius: var(--radius-md); font-size: 14px; margin-top: 12px; }
.form-msg.success { background: #e8f5f0; color: var(--success); border: 1px solid #b3ddd0; display: block; }
.form-msg.error-msg { background: #fde8ec; color: var(--error); border: 1px solid #f5b8c4; display: block; }

/* BUTTONS */
.btn-primary { display: inline-block; background: var(--primary); color: var(--on-primary); font-size: 14px; font-weight: 500; padding: 10px 18px; height: 40px; border-radius: var(--radius-md); border: none; cursor: pointer; transition: background 0.15s; line-height: 1; white-space: nowrap; }
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }
.btn-secondary { display: inline-block; background: var(--surface-card); color: var(--ink); font-size: 14px; font-weight: 500; padding: 10px 18px; height: 40px; border-radius: var(--radius-md); border: 1px solid var(--hairline-strong); cursor: pointer; transition: border-color 0.15s; line-height: 1; white-space: nowrap; }
.btn-secondary:hover { border-color: var(--ink); }
.btn-loading { opacity: 0.7; cursor: not-allowed; pointer-events: none; }

/* ARTICLE PAGE */
.article-header { padding: 64px 0 48px; border-bottom: 1px solid var(--hairline); }
.article-header-inner { max-width: 780px; }
.article-tag { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); background: var(--surface-strong); border-radius: var(--radius-pill); padding: 4px 10px; display: inline-block; margin-bottom: 16px; }
.article-title { font-size: 42px; font-weight: 400; color: var(--ink); line-height: 1.1; letter-spacing: -0.84px; margin-bottom: 16px; }
.article-meta { font-size: 14px; color: var(--muted); }
.article-hero-img { width: 100%; height: 420px; object-fit: cover; border-radius: var(--radius-lg); margin: 48px 0; border: 1px solid var(--hairline); }
.article-body { max-width: 780px; padding: 0 0 80px; }
.article-body h2 { font-size: 26px; font-weight: 400; color: var(--ink); letter-spacing: -0.325px; margin: 48px 0 16px; }
.article-body h3 { font-size: 20px; font-weight: 600; color: var(--ink); margin: 32px 0 12px; }
.article-body p { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 20px; }
.article-body ul, .article-body ol { margin: 0 0 20px 24px; }
.article-body li { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 6px; }
.article-body a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.article-body a:hover { color: var(--primary); border-color: var(--primary); }
.article-body .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: 32px 0; font-size: 15px; color: var(--body-strong); line-height: 1.6; }
.article-body figure { margin: 32px 0; }
.article-body figure img { border-radius: var(--radius-lg); border: 1px solid var(--hairline); }
.article-body figcaption { font-size: 13px; color: var(--muted); margin-top: 10px; text-align: center; }
.article-sidebar-related { background: var(--canvas-soft); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 24px; margin-top: 48px; }
.article-sidebar-related h4 { font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 16px; }
.article-sidebar-related ul { list-style: none; }
.article-sidebar-related li { margin-bottom: 10px; }
.article-sidebar-related a { font-size: 14px; color: var(--body); border-bottom: 1px solid var(--hairline-strong); }
.article-sidebar-related a:hover { color: var(--primary); border-color: var(--primary); }

/* INNER PAGES */
.inner-page { padding: 64px 0 80px; }
.inner-page h1 { font-size: 36px; font-weight: 400; color: var(--ink); letter-spacing: -0.72px; margin-bottom: 8px; }
.inner-page .page-updated { font-size: 13px; color: var(--muted); margin-bottom: 40px; }
.inner-page h2 { font-size: 22px; font-weight: 600; color: var(--ink); margin: 36px 0 12px; }
.inner-page p { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 16px; }
.inner-page ul, .inner-page ol { margin: 0 0 16px 24px; }
.inner-page li { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 6px; }
.inner-page a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.inner-page a:hover { color: var(--primary); border-color: var(--primary); }

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

/* FOOTER */
.site-footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 64px 0 0; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand { font-size: 16px; font-weight: 600; color: var(--ink); display: block; margin-bottom: 12px; }
.footer-tagline { font-size: 14px; color: var(--muted); line-height: 1.6; }
.footer-heading { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { font-size: 14px; color: var(--body); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--hairline); padding: 24px; max-width: 1200px; margin: 0 auto; }
.footer-bottom p { font-size: 13px; color: var(--muted); line-height: 1.6; }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--primary); }
.footer-disclaimer { margin-top: 8px; font-size: 12px; color: var(--muted-soft); }

/* COOKIE BANNER */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--ink); color: var(--canvas); z-index: 200; transform: translateY(100%); transition: transform 0.3s ease; }
.cookie-banner.visible { transform: translateY(0); }
.cookie-inner { max-width: 1200px; margin: 0 auto; padding: 16px 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cookie-inner p { font-size: 14px; color: var(--canvas); line-height: 1.5; }
.cookie-inner a { color: var(--canvas); border-bottom: 1px solid rgba(247,247,244,0.4); }
.cookie-actions { display: flex; gap: 12px; flex-shrink: 0; }
.cookie-actions .btn-primary { background: var(--primary); }
.cookie-actions .btn-secondary { background: transparent; color: var(--canvas); border-color: rgba(247,247,244,0.3); }
.cookie-actions .btn-secondary:hover { border-color: var(--canvas); }

/* ABOUT GRID */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 48px; }
.about-img { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--hairline); }
.about-img img { width: 100%; height: 380px; object-fit: cover; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-title { font-size: 40px; }
  .footer-container { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 32px; letter-spacing: -0.64px; }
  .articles-grid { grid-template-columns: 1fr; }
  .info-band-inner { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-container { grid-template-columns: 1fr 1fr; gap: 32px; }
  .about-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; flex-direction: column; gap: 0; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 16px 24px; }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 10px 0; border-bottom: 1px solid var(--hairline-soft); }
  .nav-toggle { display: flex; }
  .article-title { font-size: 32px; }
  .article-hero-img { height: 260px; }
}
@media (max-width: 480px) {
  .footer-container { grid-template-columns: 1fr; }
  .cookie-inner { flex-direction: column; align-items: flex-start; }
}