@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;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --ink: #26251e;
  --body: #5a5852;
  --body-strong: #26251e;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --on-primary: #ffffff;
  --success: #1f8a65;
  --error: #cf2d56;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
}

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

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;
}

/* ===== TOP NAV ===== */
.top-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.top-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  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-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ===== HERO ===== */
.hero {
  padding: 80px 0;
  background: var(--canvas);
}
.hero-eyebrow {
  display: inline-block;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 72px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -2.16px;
  color: var(--ink);
  max-width: 800px;
  margin-bottom: 24px;
}
.hero p.lead {
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
  max-width: 560px;
  margin-bottom: 40px;
}
.hero-image {
  margin-top: 48px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  overflow: hidden;
  max-height: 420px;
  object-fit: cover;
  width: 100%;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  padding: 10px 18px;
  height: 40px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  text-decoration: none;
}
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: var(--surface-card);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  padding: 10px 18px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--hairline-strong);
  cursor: pointer;
  transition: border-color 0.15s;
  text-decoration: none;
}
.btn-secondary:hover { border-color: var(--ink); color: var(--ink); }

/* ===== SECTION LABELS ===== */
.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-subtitle {
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
  max-width: 560px;
  margin-bottom: 48px;
}

/* ===== CARDS ===== */
.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--hairline-strong); }
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 8px;
}
.card p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
}
.card-icon {
  width: 40px;
  height: 40px;
  background: var(--surface-strong);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 18px;
}
.card-tag {
  display: inline-block;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

/* ===== ARTICLE CARDS ===== */
.article-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s;
}
.article-card:hover { border-color: var(--hairline-strong); }
.article-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.article-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 8px;
}
.article-card-body p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 16px;
}
.article-meta {
  font-size: 13px;
  color: var(--muted);
}

/* ===== SECTIONS ===== */
section { padding: 80px 0; }
section.alt-bg { background: var(--canvas-soft); }
.section-divider {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 0;
}

/* ===== ARTICLE PAGE ===== */
.article-hero {
  padding: 48px 0 0;
}
.article-hero img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  margin-top: 32px;
}
.article-content {
  padding: 48px 0 80px;
}
.article-content .inner {
  max-width: 720px;
  margin: 0 auto;
}
.article-content h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin: 40px 0 16px;
}
.article-content h3 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin: 32px 0 12px;
}
.article-content p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
  margin-bottom: 16px;
}
.article-content ul, .article-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
.article-content li {
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
  margin-bottom: 8px;
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
}
.article-content .info-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 24px 0;
}
.article-content .info-box p { margin: 0; }
.article-updated {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}
.article-breadcrumb {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
}
.article-breadcrumb a { color: var(--muted); }
.article-breadcrumb a:hover { color: var(--ink); }
.article-breadcrumb span { margin: 0 8px; }

/* ===== CONTACT FORM ===== */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--surface-card);
  color: var(--ink);
  font-family: inherit;
  font-size: 16px;
  padding: 12px 16px;
  height: 44px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  transition: border-color 0.15s;
  outline: none;
}
.form-group textarea {
  height: auto;
  min-height: 120px;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--ink);
}
.form-group input.error,
.form-group textarea.error {
  border-color: var(--error);
}
.form-error {
  font-size: 13px;
  color: var(--error);
  margin-top: 4px;
  display: none;
}
.form-success {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--success);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-top: 24px;
  display: none;
}
.form-success p {
  margin: 0;
  color: var(--success);
  font-weight: 500;
}

/* ===== PAGES (about, privacy, terms) ===== */
.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}
.page-hero h1 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 12px;
}
.page-hero p {
  font-size: 16px;
  color: var(--body);
  max-width: 560px;
}
.page-content {
  padding: 48px 0 80px;
}
.page-content .inner {
  max-width: 720px;
}
.page-content h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin: 40px 0 16px;
}
.page-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 24px 0 8px;
}
.page-content p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
  margin-bottom: 16px;
}
.page-content ul {
  padding-left: 24px;
  margin-bottom: 16px;
}
.page-content li {
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
  margin-bottom: 8px;
}
.page-updated {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 32px;
}

/* ===== FOOTER ===== */
.site-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: 48px;
  margin-bottom: 48px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  margin-top: 12px;
  max-width: 240px;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.88px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  font-size: 14px;
  color: var(--body);
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  font-size: 14px;
  color: var(--muted);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--ink); }

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  width: calc(100% - 48px);
  max-width: 640px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  z-index: 1000;
  box-shadow: 0 4px 24px rgba(38,37,30,0.12);
}
.cookie-banner p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--canvas-soft);
}
.cookie-banner a {
  color: var(--canvas-soft);
  text-decoration: underline;
}
.cookie-banner a:hover { color: white; }
.cookie-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.btn-cookie-accept {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-cookie-accept:hover { background: var(--primary-active); }
.btn-cookie-reject {
  background: transparent;
  color: var(--canvas-soft);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s;
}
.btn-cookie-reject:hover { border-color: rgba(255,255,255,0.5); }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb-sep { color: var(--hairline-strong); }

/* ===== DIVIDERS ===== */
.divider {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 0;
}

/* ===== SCHEMA/SOURCE BOX ===== */
.source-list {
  margin-top: 40px;
  padding: 24px;
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
}
.source-list h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.source-list ul {
  list-style: none;
  padding: 0;
}
.source-list li {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.source-list a {
  color: var(--primary);
}

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

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.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 24px;
    gap: 16px;
  }
  .hero h1 { font-size: 36px; letter-spacing: -0.72px; }
  section { padding: 48px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .cookie-banner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .section-title { font-size: 28px; }
  .hero h1 { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr; }
}