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

:root {
  --canvas: #f5f1ec;
  --surface-1: #ffffff;
  --surface-2: #ede9e3;
  --hairline: #d3cec6;
  --hairline-soft: #e5e0d8;
  --ink: #111111;
  --ink-muted: #626260;
  --ink-subtle: #7b7b78;
  --ink-tertiary: #9c9fa5;
  --inverse-canvas: #000000;
  --inverse-ink: #ffffff;
  --error: #d93025;
  --success: #1e7e34;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-xxl: 24px;
}

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

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

body {
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  background-color: var(--canvas);
  color: var(--ink);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ink);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================
   NAVIGATION
======================== */

.site-nav {
  background-color: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
}

.nav-logo {
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.3px;
  text-decoration: none;
}

.nav-logo:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-muted);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: color 0.15s;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
  text-decoration: none;
}

.nav-links a.active {
  color: var(--ink);
  font-weight: 500;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--ink);
  border-radius: 2px;
  transition: all 0.2s;
}

.nav-mobile {
  display: none;
  background-color: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: 8px 24px 16px;
}

.nav-mobile.open {
  display: block;
}

.nav-mobile a {
  display: block;
  font-size: 15px;
  color: var(--ink-muted);
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline-soft);
  text-decoration: none;
}

.nav-mobile a:last-child {
  border-bottom: none;
}

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

/* ========================
   HERO
======================== */

.hero {
  padding: 72px 0 64px;
  background-color: var(--canvas);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 16px;
  letter-spacing: 0;
}

.hero-title {
  font-size: 56px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -1.4px;
  color: var(--ink);
  margin-bottom: 24px;
}

.hero-text {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.1px;
  color: var(--ink-muted);
  margin-bottom: 32px;
}

.hero-meta {
  font-size: 13px;
  color: var(--ink-subtle);
}

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

.hero-image-card img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

/* ========================
   SECTIONS
======================== */

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--surface-2);
}

.section-title {
  font-size: 40px;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.8px;
  color: var(--ink);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--ink-muted);
  margin-bottom: 48px;
}

.section-eyebrow {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 12px;
}

/* ========================
   CARDS
======================== */

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

.card {
  background-color: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s;
}

.card:hover {
  border-color: var(--ink-muted);
  text-decoration: none;
}

.card-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
}

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

.card-eyebrow {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-subtle);
  margin-bottom: 8px;
  text-transform: none;
}

.card-title {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.3px;
  color: var(--ink);
  margin-bottom: 12px;
}

.card-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-muted);
  flex: 1;
}

.card-meta {
  font-size: 13px;
  color: var(--ink-subtle);
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline-soft);
}

/* ========================
   INFO CARDS / FEATURE GRID
======================== */

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

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

.info-card-icon {
  font-size: 28px;
  margin-bottom: 14px;
}

.info-card-title {
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.2px;
}

.info-card-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-muted);
}

/* ========================
   ARTICLE PAGE
======================== */

.article-header {
  padding: 64px 0 48px;
}

.article-header-inner {
  max-width: 800px;
}

.article-eyebrow {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.article-title {
  font-size: 48px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -1.2px;
  color: var(--ink);
  margin-bottom: 20px;
}

.article-intro {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.2px;
  color: var(--ink-muted);
  margin-bottom: 24px;
}

.article-meta {
  font-size: 13px;
  color: var(--ink-subtle);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.article-image-card {
  background-color: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 56px;
}

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

.article-body {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  align-items: start;
}

.article-content {
  max-width: 680px;
}

.article-content h2 {
  font-size: 28px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--ink);
  margin: 48px 0 16px;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.2px;
  color: var(--ink);
  margin: 32px 0 12px;
}

.article-content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
  margin: 0 0 20px 20px;
}

.article-content li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 8px;
}

.article-content strong {
  font-weight: 500;
}

.article-content a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--hairline);
  text-underline-offset: 3px;
}

.article-content a:hover {
  text-decoration-color: var(--ink);
}

.article-content blockquote {
  border-left: 3px solid var(--hairline);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
  color: var(--ink-muted);
  font-size: 17px;
  line-height: 1.6;
}

.info-box {
  background-color: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin: 24px 0;
}

.info-box-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 10px;
  text-transform: none;
}

.info-box p,
.info-box li {
  font-size: 15px;
  color: var(--ink-muted);
}

.article-sidebar {
  position: sticky;
  top: 72px;
}

.sidebar-card {
  background-color: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}

.sidebar-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline-soft);
}

.sidebar-links {
  list-style: none;
}

.sidebar-links li {
  border-bottom: 1px solid var(--hairline-soft);
}

.sidebar-links li:last-child {
  border-bottom: none;
}

.sidebar-links a {
  display: block;
  font-size: 14px;
  color: var(--ink-muted);
  padding: 10px 0;
  text-decoration: none;
  transition: color 0.15s;
}

.sidebar-links a:hover {
  color: var(--ink);
  text-decoration: none;
}

.sidebar-ref {
  font-size: 13px;
  color: var(--ink-subtle);
  line-height: 1.5;
  margin-bottom: 10px;
}

.sidebar-ref a {
  color: var(--ink-subtle);
  text-decoration: underline;
  text-decoration-color: var(--hairline);
  text-underline-offset: 2px;
}

.sidebar-ref a:hover {
  color: var(--ink);
}

/* ========================
   DATA TABLE
======================== */

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}

.data-table th {
  text-align: left;
  font-weight: 500;
  font-size: 13px;
  color: var(--ink-muted);
  padding: 10px 16px;
  background-color: var(--surface-2);
  border: 1px solid var(--hairline);
}

.data-table td {
  padding: 12px 16px;
  border: 1px solid var(--hairline-soft);
  color: var(--ink);
  vertical-align: top;
  line-height: 1.5;
}

.data-table tr:nth-child(even) td {
  background-color: var(--canvas);
}

/* ========================
   CONTACT FORM
======================== */

.contact-section {
  padding: 80px 0;
}

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

.contact-info h2 {
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-muted);
  margin-bottom: 24px;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.contact-detail-item {
  font-size: 15px;
  color: var(--ink-muted);
}

.contact-detail-item strong {
  color: var(--ink);
  font-weight: 500;
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
}

.form-card {
  background-color: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  padding: 32px;
}

.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,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  font-family: 'Inter', ui-sans-serif, sans-serif;
  font-size: 15px;
  color: var(--ink);
  background-color: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.15s;
  min-height: 44px;
}

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

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--ink);
  color: var(--inverse-ink);
  font-family: 'Inter', ui-sans-serif, sans-serif;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: opacity 0.15s;
  min-height: 40px;
}

.btn-primary:hover {
  opacity: 0.88;
  text-decoration: none;
  color: var(--inverse-ink);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-status {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.5;
}

.form-status.success {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.form-status.error {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* ========================
   FOOTER
======================== */

.site-footer {
  background-color: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 48px 0 32px;
  margin-top: 80px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--ink-subtle);
  line-height: 1.6;
  max-width: 260px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 12px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 13px;
  color: var(--ink-subtle);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--ink);
  text-decoration: none;
}

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

.footer-copyright {
  font-size: 12px;
  color: var(--ink-tertiary);
}

.footer-disclaimer {
  font-size: 12px;
  color: var(--ink-tertiary);
  line-height: 1.5;
  max-width: 600px;
  text-align: right;
}

/* ========================
   COOKIE BANNER
======================== */

#cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--inverse-canvas);
  color: var(--inverse-ink);
  padding: 16px 24px;
  border-top: 1px solid #333;
}

#cookie-banner.visible {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-text {
  font-size: 13px;
  line-height: 1.5;
  color: #d4d4d4;
  flex: 1;
}

.cookie-text a {
  color: #d4d4d4;
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.btn-cookie-accept {
  font-family: 'Inter', ui-sans-serif, sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  background-color: var(--inverse-ink);
  color: var(--inverse-canvas);
  min-height: 40px;
}

.btn-cookie-reject {
  font-family: 'Inter', ui-sans-serif, sans-serif;
  font-size: 14px;
  font-weight: 400;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid #555;
  cursor: pointer;
  background-color: transparent;
  color: #d4d4d4;
  min-height: 40px;
}

.btn-cookie-accept:hover { opacity: 0.9; }
.btn-cookie-reject:hover { border-color: #888; }

/* ========================
   PAGE HEADER (for static pages)
======================== */

.page-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 56px;
}

.page-header-title {
  font-size: 44px;
  font-weight: 500;
  letter-spacing: -1.0px;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-header-meta {
  font-size: 14px;
  color: var(--ink-subtle);
}

.page-content {
  max-width: 760px;
  padding-bottom: 80px;
}

.page-content h2 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.4px;
  color: var(--ink);
  margin: 40px 0 12px;
}

.page-content h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  margin: 24px 0 8px;
}

.page-content p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.page-content ul,
.page-content ol {
  margin: 0 0 16px 20px;
}

.page-content li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-muted);
  margin-bottom: 6px;
}

.page-content a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--hairline);
  text-underline-offset: 3px;
}

.page-content a:hover {
  text-decoration-color: var(--ink);
}

/* ========================
   RELATED ARTICLES
======================== */

.related-section {
  padding: 64px 0;
  border-top: 1px solid var(--hairline);
  margin-top: 64px;
}

.related-title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.3px;
  margin-bottom: 32px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.related-card {
  background-color: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  text-decoration: none;
  color: var(--ink);
  display: block;
  transition: border-color 0.15s;
}

.related-card:hover {
  border-color: var(--ink-muted);
  text-decoration: none;
}

.related-card-eyebrow {
  font-size: 12px;
  color: var(--ink-subtle);
  margin-bottom: 6px;
}

.related-card-title {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.2px;
}

/* ========================
   BREADCRUMB
======================== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-subtle);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--ink-subtle);
  text-decoration: none;
}

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

.breadcrumb-sep {
  color: var(--hairline);
}

/* ========================
   ABOUT PAGE
======================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  padding: 64px 0;
}

.about-image-card {
  background-color: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-image-card img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.sources-list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.source-item {
  background-color: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 14px;
  color: var(--ink-muted);
}

.source-item a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--hairline);
  text-underline-offset: 2px;
}

/* ========================
   RESPONSIVE
======================== */

@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero-inner { gap: 40px; }
  .hero-title { font-size: 44px; }
  .article-body { grid-template-columns: 1fr; gap: 40px; }
  .article-sidebar { position: static; }
  .about-grid { gap: 40px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero { padding: 48px 0 40px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-title { font-size: 36px; letter-spacing: -0.8px; }
  .hero-text { font-size: 16px; }
  .hero-image-card img { height: 260px; }

  .section { padding: 56px 0; }
  .section-title { font-size: 30px; }

  .card-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-disclaimer { text-align: left; }

  .article-title { font-size: 32px; letter-spacing: -0.6px; }
  .article-intro { font-size: 17px; }
  .article-image-card img { height: 240px; }

  .page-header-title { font-size: 32px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image-card img { height: 260px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 28px; }
  .section-title { font-size: 26px; }
  .article-title { font-size: 26px; }
  .form-card { padding: 20px; }

  #cookie-banner.visible { flex-direction: column; align-items: flex-start; }
  .cookie-actions { width: 100%; }
  .btn-cookie-accept, .btn-cookie-reject { flex: 1; text-align: center; }
}