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

:root {
  --color-canvas: #f7f7f4;
  --color-canvas-soft: #fafaf7;
  --color-surface-card: #ffffff;
  --color-surface-strong: #e6e5e0;
  --color-primary: #f54e00;
  --color-primary-active: #d04200;
  --color-ink: #26251e;
  --color-body: #5a5852;
  --color-body-strong: #26251e;
  --color-muted: #807d72;
  --color-muted-soft: #a09c92;
  --color-on-primary: #ffffff;
  --color-hairline: #e6e5e0;
  --color-hairline-soft: #efeee8;
  --color-hairline-strong: #cfcdc4;
  --color-success: #1f8a65;
  --color-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;
  --spacing-xxs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-base: 16px;
  --spacing-md: 20px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-section: 80px;
}

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

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

a:hover {
  color: var(--color-primary);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* TOP NAV */
.top-nav {
  background-color: var(--color-canvas);
  border-bottom: 1px solid var(--color-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-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.3px;
}

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

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

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

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

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

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--spacing-xs);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-ink);
  border-radius: 2px;
  transition: all 0.25s;
}

.nav-mobile {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline);
  padding: var(--spacing-base) var(--spacing-xl);
  z-index: 99;
}

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

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

.nav-mobile ul a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-body);
  display: block;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-hairline-soft);
}

/* HERO */
.hero-band {
  background-color: var(--color-canvas);
  padding: var(--spacing-section) 0 var(--spacing-xxl);
  border-bottom: 1px solid var(--color-hairline);
}

.hero-band h1 {
  font-family: var(--font-sans);
  font-size: 72px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -2.16px;
  color: var(--color-ink);
  max-width: 800px;
  margin-bottom: var(--spacing-lg);
}

.hero-band .hero-sub {
  font-size: 16px;
  color: var(--color-body);
  max-width: 560px;
  line-height: 1.5;
  margin-bottom: var(--spacing-xxl);
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xxl);
}

.badge-pill {
  background-color: var(--color-surface-strong);
  color: var(--color-ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  padding: 4px 10px;
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
  max-height: 480px;
}

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

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

/* SECTIONS */
section {
  padding: var(--spacing-section) 0;
}

section + section {
  border-top: 1px solid var(--color-hairline);
}

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

.section-subhead {
  font-size: 16px;
  color: var(--color-body);
  max-width: 600px;
  line-height: 1.5;
  margin-bottom: var(--spacing-xxl);
}

/* CARDS */
.cards-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.cards-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.cards-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

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

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

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

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

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

/* ARTICLE CARDS */
.article-card {
  background-color: 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: 220px;
  object-fit: cover;
}

.article-card-body {
  padding: var(--spacing-lg);
}

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

.article-card-body h3 {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--color-ink);
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

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

.article-card-meta {
  font-size: 13px;
  color: var(--color-muted);
  display: flex;
  gap: var(--spacing-base);
}

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

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

/* DATA BLOCK */
.data-block {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xxl) var(--spacing-xl);
}

.data-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  text-align: center;
}

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

.data-item .data-value {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xxs);
}

.data-item .data-desc {
  font-size: 13px;
  color: var(--color-muted);
}

/* FORM */
.form-band {
  background-color: var(--color-canvas-soft);
}

.form-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xxl);
  max-width: 560px;
  margin: 0 auto;
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  background-color: var(--color-surface-card);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  height: 44px;
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}

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

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

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

.form-group .field-error {
  font-size: 12px;
  color: var(--color-error);
  margin-top: 4px;
  display: none;
}

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

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background-color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background-color: var(--color-surface-card);
  color: var(--color-ink);
  font-family: var(--font-sans);
  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;
  display: inline-flex;
  align-items: center;
}

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

.form-success {
  display: none;
  background-color: #f0faf5;
  border: 1px solid #b8e4d0;
  border-radius: var(--radius-md);
  padding: var(--spacing-base) var(--spacing-lg);
  color: var(--color-success);
  font-size: 14px;
  font-weight: 500;
  margin-top: var(--spacing-base);
}

.form-success.show {
  display: block;
}

/* FOOTER */
.footer {
  background-color: 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: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

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

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--spacing-base);
  letter-spacing: 0.2px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

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

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

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

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

.footer-disclaimer {
  font-size: 12px;
  color: var(--color-muted-soft);
  margin-top: var(--spacing-lg);
  line-height: 1.5;
  border-top: 1px solid var(--color-hairline-soft);
  padding-top: var(--spacing-base);
}

/* ARTICLE PAGE */
.article-header {
  padding: var(--spacing-section) 0 var(--spacing-xxl);
  border-bottom: 1px solid var(--color-hairline);
}

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

.article-header h1 {
  font-family: var(--font-sans);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--color-ink);
  line-height: 1.2;
  max-width: 760px;
  margin-bottom: var(--spacing-base);
}

.article-header .article-lead {
  font-size: 18px;
  color: var(--color-body);
  line-height: 1.5;
  max-width: 680px;
  margin-bottom: var(--spacing-base);
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  font-size: 13px;
  color: var(--color-muted);
  flex-wrap: wrap;
}

.article-body {
  padding: var(--spacing-xxl) 0;
}

.article-content {
  max-width: 720px;
}

.article-content h2 {
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--color-ink);
  line-height: 1.25;
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-base);
}

.article-content h3 {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.4;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.article-content p {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: var(--spacing-base);
  letter-spacing: 0.08px;
}

.article-content ul, .article-content ol {
  margin: 0 0 var(--spacing-base) var(--spacing-xl);
  color: var(--color-body);
  font-size: 16px;
  line-height: 1.6;
}

.article-content li {
  margin-bottom: var(--spacing-xs);
}

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

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

.article-content .info-box {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-base) var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.article-content .info-box p {
  margin-bottom: 0;
  font-size: 14px;
}

.article-figure {
  margin: var(--spacing-xxl) 0;
}

.article-figure img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-hairline);
}

.article-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: var(--spacing-xs);
  line-height: 1.4;
}

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

.article-sidebar {
  position: sticky;
  top: 80px;
}

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

.sidebar-card h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-base);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-hairline);
}

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

.sidebar-card ul li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-hairline-soft);
  font-size: 14px;
  color: var(--color-body);
}

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

.sidebar-card ul li a {
  color: var(--color-body);
  font-size: 14px;
}

.sidebar-card ul li a:hover {
  color: var(--color-primary);
}

/* BREADCRUMBS */
.breadcrumbs {
  padding: var(--spacing-base) 0;
  border-bottom: 1px solid var(--color-hairline-soft);
  font-size: 13px;
  color: var(--color-muted);
}

.breadcrumbs a {
  color: var(--color-muted);
}

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

.breadcrumbs span {
  margin: 0 6px;
}

/* ABOUT / STATIC PAGES */
.static-header {
  padding: var(--spacing-xxl) 0;
  border-bottom: 1px solid var(--color-hairline);
}

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

.static-header p {
  font-size: 16px;
  color: var(--color-body);
  max-width: 600px;
}

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

.static-content h2 {
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--color-ink);
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-base);
}

.static-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.static-content p {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: var(--spacing-base);
}

.static-content ul {
  margin: 0 0 var(--spacing-base) var(--spacing-xl);
  color: var(--color-body);
  font-size: 16px;
  line-height: 1.6;
}

.static-content li {
  margin-bottom: var(--spacing-xs);
}

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-ink);
  color: var(--color-canvas);
  padding: var(--spacing-base) var(--spacing-xl);
  z-index: 1000;
  display: none;
}

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

.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.cookie-banner p {
  font-size: 14px;
  color: var(--color-canvas-soft);
  line-height: 1.5;
  flex: 1;
  min-width: 260px;
}

.cookie-banner p a {
  color: var(--color-canvas);
  border-bottom: 1px solid rgba(247,247,244,0.4);
}

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

.cookie-accept {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s;
}

.cookie-accept:hover {
  background-color: var(--color-primary-active);
}

.cookie-reject {
  background-color: transparent;
  color: var(--color-canvas-soft);
  border: 1px solid rgba(247,247,244,0.3);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s;
}

.cookie-reject:hover {
  border-color: rgba(247,247,244,0.6);
}

/* DIVIDER */
.divider {
  height: 1px;
  background-color: var(--color-hairline);
  margin: var(--spacing-section) 0;
}

/* TABLE */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: var(--spacing-xl) 0;
}

.data-table th {
  background-color: var(--color-canvas-soft);
  color: var(--color-ink);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.3px;
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-base);
  border-bottom: 1px solid var(--color-hairline);
}

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

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

.data-table tr:hover td {
  background-color: var(--color-canvas-soft);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-band h1 {
    font-size: 56px;
    letter-spacing: -1.5px;
  }

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

  .cards-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .article-sidebar {
    position: static;
  }

  .data-row {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl) var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero-band h1 {
    font-size: 36px;
    letter-spacing: -0.72px;
  }

  .hero-band {
    padding: var(--spacing-xxl) 0;
  }

  .section-head {
    font-size: 28px;
  }

  .cards-grid-3, .cards-grid-2 {
    grid-template-columns: 1fr;
  }

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

  .data-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-band h1 {
    font-size: 28px;
  }

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

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

  .hero-image img {
    height: 240px;
  }
}