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

:root {
  --canvas: #f5f1ec;
  --surface-1: #ffffff;
  --surface-2: #ece8e1;
  --hairline: #d3cec6;
  --hairline-soft: #e5e1db;
  --ink: #111111;
  --ink-muted: #626260;
  --ink-subtle: #7b7b78;
  --ink-tertiary: #9c9fa5;
  --inverse-canvas: #000000;
  --inverse-ink: #ffffff;
  --accent: #ff5600;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-xxl: 24px;
  --spacing-xxs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-section: 96px;
}

*, *::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-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* ============ TYPOGRAPHY ============ */

.display-xl {
  font-size: 72px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -2px;
}

.display-lg {
  font-size: 56px;
  font-weight: 500;
  line-height: 1.10;
  letter-spacing: -1.4px;
}

.display-md {
  font-size: 40px;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.8px;
}

.headline {
  font-size: 28px;
  font-weight: 500;
  line-height: 1.20;
  letter-spacing: -0.5px;
}

.card-title {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.3px;
}

.subhead {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.40;
  letter-spacing: -0.2px;
}

.body-lg {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.50;
  letter-spacing: -0.1px;
}

.body {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.50;
  letter-spacing: 0;
}

.body-sm {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.50;
  letter-spacing: 0;
}

.caption {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.40;
  letter-spacing: 0;
}

.eyebrow {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.30;
  letter-spacing: 0;
  color: var(--ink-muted);
}

/* ============ LAYOUT ============ */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.section {
  padding: var(--spacing-section) 0;
}

.section-sm {
  padding: var(--spacing-xxl) 0;
}

/* ============ NAV ============ */

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

.top-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1280px;
}

.nav-brand {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.3px;
  color: var(--ink);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-muted);
  transition: color 0.15s;
}

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

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  flex-direction: column;
  gap: 4px;
}

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

.mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  background-color: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: var(--spacing-lg);
  z-index: 99;
}

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

.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.mobile-menu a {
  font-size: 16px;
  color: var(--ink);
}

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

.hero {
  padding: var(--spacing-section) 0;
  background-color: var(--canvas);
}

.hero-inner {
  max-width: 760px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 500;
  line-height: 1.07;
  letter-spacing: -1.8px;
  color: var(--ink);
  margin-bottom: var(--spacing-lg);
}

.hero-lead {
  font-size: 20px;
  color: var(--ink-muted);
  line-height: 1.55;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.hero-meta {
  font-size: 13px;
  color: var(--ink-subtle);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.hero-divider {
  height: 1px;
  background-color: var(--hairline);
  margin: var(--spacing-xxl) 0 0;
}

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

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

.card:hover {
  border-color: var(--ink-subtle);
}

.card-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
  aspect-ratio: 16/9;
}

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

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

.card h2, .card h3 {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.3px;
  color: var(--ink);
  margin-bottom: var(--spacing-xs);
}

.card p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.55;
}

.card-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 2px;
  transition: border-color 0.15s;
}

.card-link:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

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

.article-header {
  padding: var(--spacing-section) 0 var(--spacing-xxl);
  border-bottom: 1px solid var(--hairline);
  margin-bottom: var(--spacing-xxl);
}

.article-header .eyebrow {
  margin-bottom: var(--spacing-sm);
}

.article-header h1 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 500;
  line-height: 1.10;
  letter-spacing: -1.4px;
  color: var(--ink);
  margin-bottom: var(--spacing-lg);
  max-width: 820px;
}

.article-header .article-lead {
  font-size: 18px;
  line-height: 1.60;
  color: var(--ink-muted);
  max-width: 680px;
  margin-bottom: var(--spacing-lg);
}

.article-meta {
  font-size: 13px;
  color: var(--ink-subtle);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.article-hero-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--spacing-xxl);
  max-height: 480px;
}

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

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-section);
  align-items: start;
}

.article-body h2 {
  font-size: 28px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: var(--ink);
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-md);
}

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

.article-body h3 {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.30;
  letter-spacing: -0.3px;
  color: var(--ink);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.article-body p {
  font-size: 17px;
  line-height: 1.70;
  color: var(--ink);
  margin-bottom: var(--spacing-md);
}

.article-body ul, .article-body ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-xl);
}

.article-body li {
  font-size: 17px;
  line-height: 1.70;
  color: var(--ink);
  margin-bottom: var(--spacing-xs);
}

.article-body a {
  color: var(--ink);
  border-bottom: 1px solid var(--hairline);
  transition: border-color 0.15s;
}

.article-body a:hover {
  border-color: var(--ink);
}

.article-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin: var(--spacing-xl) 0;
}

.article-img img {
  width: 100%;
  height: auto;
}

.article-img figcaption {
  font-size: 12px;
  color: var(--ink-subtle);
  padding: var(--spacing-xs) var(--spacing-sm) 0;
  text-align: center;
}

.info-box {
  background-color: var(--surface-2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  border-left: 3px solid var(--hairline);
}

.info-box p {
  font-size: 15px;
  color: var(--ink-muted);
  margin: 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-xl) 0;
  background-color: var(--surface-1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.data-table th {
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  background-color: var(--canvas);
  border-bottom: 1px solid var(--hairline);
}

.data-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 14px;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-soft);
}

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

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

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

.sidebar-card h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: var(--spacing-md);
}

.sidebar-card ul {
  list-style: none;
  padding: 0;
}

.sidebar-card li {
  margin-bottom: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--hairline-soft);
}

.sidebar-card li:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.sidebar-card a {
  font-size: 13px;
  color: var(--ink-muted);
  transition: color 0.15s;
}

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

.refs-list {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--hairline);
}

.refs-list h3 {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: var(--spacing-md);
  text-transform: none;
}

.refs-list ol {
  padding-left: var(--spacing-lg);
}

.refs-list li {
  font-size: 13px;
  color: var(--ink-subtle);
  line-height: 1.5;
  margin-bottom: var(--spacing-xs);
}

.refs-list a {
  color: var(--ink-subtle);
  border-bottom: 1px solid var(--hairline-soft);
}

/* ============ SECTION DIVIDER ============ */

.section-divider {
  height: 1px;
  background-color: var(--hairline);
}

/* ============ SECTION TITLE ============ */

.section-header {
  margin-bottom: var(--spacing-xxl);
}

.section-header h2 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: 17px;
  color: var(--ink-muted);
  max-width: 560px;
  line-height: 1.60;
}

/* ============ INTRO BAND ============ */

.intro-band {
  background-color: var(--surface-1);
  border-radius: var(--radius-xl);
  border: 1px solid var(--hairline);
  padding: var(--spacing-xxl) var(--spacing-section);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.intro-band h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 500;
  letter-spacing: -0.8px;
  line-height: 1.20;
  margin-bottom: var(--spacing-md);
}

.intro-band p {
  font-size: 16px;
  color: var(--ink-muted);
  line-height: 1.65;
}

/* ============ TOPICS GRID ============ */

.topics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.topic-item {
  background-color: var(--surface-1);
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  padding: var(--spacing-lg);
}

.topic-item h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: var(--spacing-xs);
}

.topic-item p {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.55;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: start;
  margin-bottom: var(--spacing-section);
}

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

.contact-form-wrap {
  background-color: var(--surface-1);
  border-radius: var(--radius-xl);
  border: 1px solid var(--hairline);
  padding: var(--spacing-xxl);
}

.contact-form-wrap h2 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.5px;
  margin-bottom: var(--spacing-xs);
}

.contact-form-wrap .form-lead {
  font-size: 15px;
  color: var(--ink-muted);
  margin-bottom: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: var(--spacing-xxs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.15s;
  min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--ink-muted);
}

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

.form-group .field-error {
  font-size: 12px;
  color: #c0392b;
  margin-top: var(--spacing-xxs);
  display: none;
}

.form-group.has-error input,
.form-group.has-error textarea {
  border-color: #c0392b;
}

.form-group.has-error .field-error {
  display: block;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background-color: var(--ink);
  color: var(--inverse-ink);
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: opacity 0.15s;
  min-height: 40px;
}

.btn-primary:hover {
  opacity: 0.85;
}

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

.form-status {
  display: none;
  margin-top: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
}

.form-status.success {
  background-color: #f0f9f4;
  color: #1a6e3b;
  border: 1px solid #a8d5b9;
}

.spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

.site-footer {
  background-color: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px var(--spacing-xl);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xxl);
}

.footer-brand h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  font-size: 13px;
  color: var(--ink-subtle);
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: var(--spacing-md);
}

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

.footer-col li {
  margin-bottom: var(--spacing-xs);
}

.footer-col a {
  font-size: 13px;
  color: var(--ink-subtle);
  transition: color 0.15s;
}

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

.footer-bottom {
  max-width: 1280px;
  margin: var(--spacing-xxl) auto 0;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--hairline-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.footer-disclaimer {
  font-size: 11px;
  color: var(--ink-tertiary);
  margin-top: var(--spacing-sm);
  line-height: 1.5;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--spacing-sm);
}

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

#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--inverse-canvas);
  color: var(--inverse-ink);
  padding: var(--spacing-lg) var(--spacing-xl);
  z-index: 999;
  display: none;
}

#cookie-banner.visible {
  display: block;
}

.cookie-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
}

.cookie-text {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}

.cookie-text a {
  color: rgba(255,255,255,0.9);
  border-bottom: 1px solid rgba(255,255,255,0.3);
}

.cookie-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.cookie-btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  min-height: 40px;
}

.cookie-btn-accept {
  background-color: var(--inverse-ink);
  color: var(--inverse-canvas);
}

.cookie-btn-reject {
  background-color: transparent;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.3);
}

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

.breadcrumb {
  padding: var(--spacing-md) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

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

.breadcrumb span {
  font-size: 13px;
  color: var(--ink-tertiary);
}

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

/* ============ STATIC PAGES ============ */

.static-content {
  max-width: 760px;
  padding: var(--spacing-xxl) 0 var(--spacing-section);
}

.static-content h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: var(--spacing-xs);
}

.static-content .page-updated {
  font-size: 13px;
  color: var(--ink-subtle);
  margin-bottom: var(--spacing-xxl);
}

.static-content h2 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.3px;
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-md);
}

.static-content h3 {
  font-size: 18px;
  font-weight: 500;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.static-content p {
  font-size: 16px;
  line-height: 1.70;
  color: var(--ink);
  margin-bottom: var(--spacing-md);
}

.static-content ul, .static-content ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-xl);
}

.static-content li {
  font-size: 16px;
  line-height: 1.70;
  margin-bottom: var(--spacing-xs);
}

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

@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }

  .intro-band {
    grid-template-columns: 1fr;
    padding: var(--spacing-xxl);
  }

  .topics-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-section: 64px;
  }

  .container {
    padding: 0 var(--spacing-lg);
  }

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

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

  .cookie-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-actions {
    width: 100%;
  }

  .cookie-btn {
    flex: 1;
    text-align: center;
  }

  .contact-form-wrap {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 32px;
    letter-spacing: -1px;
  }

  .section-header h2 {
    font-size: 26px;
  }

  .article-header h1 {
    font-size: 28px;
    letter-spacing: -0.5px;
  }
}