@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 {
  --color-primary: #f54e00;
  --color-primary-active: #d04200;
  --color-canvas: #f7f7f4;
  --color-canvas-soft: #fafaf7;
  --color-surface-card: #ffffff;
  --color-surface-strong: #e6e5e0;
  --color-hairline: #e6e5e0;
  --color-hairline-soft: #efeee8;
  --color-hairline-strong: #cfcdc4;
  --color-ink: #26251e;
  --color-body: #5a5852;
  --color-body-strong: #26251e;
  --color-muted: #807d72;
  --color-muted-soft: #a09c92;
  --color-on-primary: #ffffff;
  --color-success: #1f8a65;
  --color-error: #cf2d56;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--color-canvas);
  color: var(--color-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

/* NAV */
.site-nav {
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-nav .nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.3px;
}

.site-nav .nav-logo span {
  color: var(--color-primary);
}

.site-nav .nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.site-nav .nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-body);
  transition: color 0.15s;
}

.site-nav .nav-links a:hover { color: var(--color-ink); }

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-ink);
}

.nav-hamburger svg { display: block; }

/* HERO */
.hero-band {
  padding: 80px 0;
  background: var(--color-canvas);
}

.hero-band .hero-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--color-muted);
  background: var(--color-surface-strong);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  margin-bottom: 24px;
}

.hero-band h1 {
  font-size: 72px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -2.16px;
  color: var(--color-ink);
  max-width: 900px;
  margin-bottom: 24px;
}

.hero-band .hero-sub {
  font-size: 16px;
  color: var(--color-body);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.5;
}

.hero-image {
  margin-top: 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
  background: var(--color-surface-card);
}

.hero-image img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

/* SECTION */
.section {
  padding: 80px 0;
}

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

.section-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--color-ink);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 16px;
  color: var(--color-body);
  max-width: 640px;
  margin-bottom: 48px;
  line-height: 1.5;
}

.section-divider {
  border: none;
  border-top: 1px solid var(--color-hairline);
  margin: 0;
}

/* CARDS */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 12px;
  line-height: 1.4;
}

.feature-card p {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.5;
}

.article-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.15s;
}

.article-card:hover { border-color: var(--color-hairline-strong); }

.article-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-card-body {
  padding: 24px;
}

.article-card-body .tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.article-card-body h2 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--color-ink);
  margin-bottom: 12px;
  line-height: 1.3;
}

.article-card-body p {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.5;
  margin-bottom: 20px;
}

.article-card-body .read-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.article-card-body .read-link:hover { border-color: var(--color-primary); }

/* ARTICLE PAGE */
.article-page {
  padding: 64px 0;
}

.article-header {
  max-width: 760px;
  margin: 0 auto 48px;
}

.article-header .tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.article-header h1 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--color-ink);
  line-height: 1.2;
  margin-bottom: 16px;
}

.article-header .article-meta {
  font-size: 13px;
  color: var(--color-muted);
}

.article-hero-img {
  width: 100%;
  max-width: 960px;
  margin: 0 auto 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
}

.article-hero-img img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

.article-body {
  max-width: 760px;
  margin: 0 auto;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--color-ink);
  margin: 48px 0 16px;
  line-height: 1.25;
}

.article-body h3 {
  font-size: 22px;
  font-weight: 400;
  color: var(--color-ink);
  margin: 32px 0 12px;
  line-height: 1.3;
}

.article-body p {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.5;
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
  color: var(--color-body);
  font-size: 16px;
  line-height: 1.5;
}

.article-body li { margin-bottom: 8px; }

.article-body .info-box {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 32px 0;
}

.article-body .info-box p {
  margin: 0;
  font-size: 14px;
  color: var(--color-body);
}

.article-body .sources {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-hairline);
}

.article-body .sources h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 12px;
}

.article-body .sources a {
  color: var(--color-primary);
  font-size: 14px;
  display: block;
  margin-bottom: 6px;
}

.article-body .sources a:hover { text-decoration: underline; }

/* BUTTONS */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--color-primary);
  color: var(--color-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;
  text-decoration: none;
}

.btn-primary:hover { background: var(--color-primary-active); color: var(--color-on-primary); }

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

.btn-secondary:hover { border-color: var(--color-ink); color: var(--color-ink); }

/* FORM */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 16px;
  font-family: var(--font-sans);
  color: var(--color-ink);
  height: 44px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group textarea {
  height: auto;
  min-height: 120px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-ink);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-muted-soft);
}

.form-success {
  display: none;
  background: var(--color-surface-card);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  color: var(--color-success);
  font-size: 14px;
  font-weight: 500;
  margin-top: 16px;
}

/* BREADCRUMB */
.breadcrumb {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-ink); }
.breadcrumb span { margin: 0 6px; }

/* FOOTER */
.site-footer {
  background: var(--color-canvas);
  border-top: 1px solid var(--color-hairline);
  padding: 64px 0 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.footer-brand h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.footer-brand h2 span { color: var(--color-primary); }

.footer-brand p {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.5;
  max-width: 240px;
}

.footer-col h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col ul { list-style: none; }

.footer-col ul li { margin-bottom: 8px; }

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-body);
  transition: color 0.15s;
}

.footer-col ul li a:hover { color: var(--color-ink); }

.footer-bottom {
  border-top: 1px solid var(--color-hairline);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-muted);
}

.footer-bottom a {
  color: var(--color-muted);
  font-size: 13px;
  transition: color 0.15s;
}

.footer-bottom a:hover { color: var(--color-ink); }

/* COOKIE BANNER */
#cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 640px;
  background: var(--color-ink);
  color: var(--color-canvas);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: none;
  z-index: 9999;
  box-shadow: 0 4px 24px rgba(38,37,30,0.15);
}

#cookie-banner p {
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 16px;
  color: var(--color-canvas);
}

#cookie-banner a { color: var(--color-primary); }

.cookie-actions {
  display: flex;
  gap: 12px;
}

.cookie-actions button {
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  height: 36px;
}

.btn-cookie-accept {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.btn-cookie-reject {
  background: transparent;
  color: var(--color-canvas);
  border: 1px solid rgba(247,247,244,0.3) !important;
}

/* PAGE HERO (sub pages) */
.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--color-hairline);
  margin-bottom: 64px;
}

.page-hero h1 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--color-ink);
  line-height: 1.2;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 16px;
  color: var(--color-body);
  max-width: 560px;
}

/* CONTACT SECTION */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.325px;
  margin-bottom: 20px;
}

.contact-info p {
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.5;
  margin-bottom: 12px;
}

/* STATIC PAGE */
.static-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 0;
}

.static-content h1 {
  font-size: 36px;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.72px;
  margin-bottom: 12px;
}

.static-content .updated {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 40px;
}

.static-content h2 {
  font-size: 22px;
  font-weight: 400;
  color: var(--color-ink);
  margin: 40px 0 12px;
}

.static-content p {
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.5;
  margin-bottom: 16px;
}

.static-content ul {
  margin: 0 0 16px 24px;
  color: var(--color-body);
  font-size: 15px;
  line-height: 1.5;
}

.static-content li { margin-bottom: 6px; }

.static-content a { color: var(--color-primary); }
.static-content a:hover { text-decoration: underline; }

/* SCHEMA DATA SECTION */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-hairline);
}

.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--color-hairline-soft);
  color: var(--color-body);
}

.data-table tr:last-child td { border-bottom: none; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-band h1 { font-size: 56px; letter-spacing: -1.68px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-nav .nav-links { display: none; }
  .site-nav .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
    padding: 16px 24px;
    gap: 16px;
  }
  .nav-hamburger { display: block; }
  .hero-band h1 { font-size: 36px; letter-spacing: -1px; }
  .hero-band { padding: 48px 0; }
  .section { padding: 48px 0; }
  .section-title { font-size: 28px; }
  .card-grid, .card-grid-2 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  #cookie-banner { left: 12px; right: 12px; bottom: 12px; }
}

@media (max-width: 640px) {
  .article-header h1 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
}