@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Inter+Display:wght@400;475;500&display=swap');

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

:root {
  --color-primary: #181d26;
  --color-primary-active: #0d1218;
  --color-canvas: #ffffff;
  --color-surface-soft: #f8fafc;
  --color-surface-strong: #e0e2e6;
  --color-surface-dark: #181d26;
  --color-surface-dark-elevated: #1d1f25;
  --color-hairline: #dddddd;
  --color-ink: #181d26;
  --color-body: #333840;
  --color-muted: #41454d;
  --color-on-primary: #ffffff;
  --color-link: #1b61c9;
  --color-link-active: #1a3866;
  --color-signature-coral: #aa2d00;
  --color-signature-forest: #0a2e0e;
  --color-signature-cream: #f5e9d4;
  --color-signature-peach: #fcab79;
  --color-signature-mint: #a8d8c4;
  --color-signature-yellow: #f4d35e;
  --color-signature-mustard: #d9a441;
  --rounded-xs: 2px;
  --rounded-sm: 6px;
  --rounded-md: 10px;
  --rounded-lg: 12px;
  --rounded-pill: 9999px;
  --rounded-full: 50%;
  --spacing-xxs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-section: 96px;
  --max-width: 1280px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-body);
  background: var(--color-canvas);
}

a { color: var(--color-link); text-decoration: none; }
a:hover { color: var(--color-link-active); }

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

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

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

.top-nav .container {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--spacing-xl);
}

.nav-brand {
  font-family: 'Inter Display', sans-serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  white-space: nowrap;
  text-decoration: none;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
  flex: 1;
}

.nav-menu a {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-body);
  text-decoration: none;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  padding: 16px 24px;
  border-radius: var(--rounded-lg);
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

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

.btn-secondary {
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  padding: 16px 24px;
  border-radius: var(--rounded-lg);
  border: 1px solid var(--color-hairline);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

.btn-secondary:hover { border-color: var(--color-ink); 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: var(--color-ink);
  border-radius: 2px;
}

/* HERO BAND */
.hero-band {
  padding: var(--spacing-section) 0;
  background: var(--color-canvas);
}

.hero-band .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.hero-content h1 {
  font-family: 'Inter Display', sans-serif;
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: var(--spacing-lg);
}

.hero-content p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-body);
  margin-bottom: var(--spacing-xl);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  border-radius: var(--rounded-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
}

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

/* SECTION BANDS */
.section-band {
  padding: var(--spacing-section) 0;
}

.section-band--soft { background: var(--color-surface-soft); }
.section-band--cream { background: var(--color-signature-cream); }
.section-band--dark { background: var(--color-surface-dark); }
.section-band--strong { background: var(--color-surface-strong); }

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

.section-header h2 {
  font-family: 'Inter Display', sans-serif;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}

.section-band--dark .section-header h2,
.section-band--dark p { color: var(--color-on-primary); }

.section-label {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.16px;
  color: var(--color-muted);
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

/* SIGNATURE CARDS */
.signature-coral-card {
  background: var(--color-signature-coral);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  color: var(--color-on-primary);
}

.signature-coral-card h2 {
  font-family: 'Inter Display', sans-serif;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-on-primary);
  margin-bottom: var(--spacing-md);
}

.signature-coral-card p {
  font-size: 14px;
  line-height: 1.25;
  color: var(--color-on-primary);
  margin-bottom: var(--spacing-xl);
  max-width: 520px;
}

.signature-forest-card {
  background: var(--color-signature-forest);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  color: var(--color-on-primary);
}

.signature-forest-card h2 {
  font-family: 'Inter Display', sans-serif;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-on-primary);
  margin-bottom: var(--spacing-md);
}

.signature-forest-card p {
  font-size: 14px;
  color: var(--color-on-primary);
  margin-bottom: var(--spacing-xl);
}

.btn-secondary-on-dark {
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
  font-weight: 500;
  padding: 16px 24px;
  border-radius: var(--rounded-lg);
  border: none;
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}

.btn-secondary-on-dark:hover { color: var(--color-ink); opacity: 0.9; }

/* ARTICLE CARDS */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.article-card {
  background: var(--color-canvas);
  border-radius: var(--rounded-md);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
}

.article-card-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
}

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

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

.article-card-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xs);
}

.article-card-title {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}

.article-card-title a {
  color: var(--color-ink);
  text-decoration: none;
}

.article-card-title a:hover { color: var(--color-link); }

.article-card-meta {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.16px;
  color: var(--color-muted);
}

/* DEMO GRID CARDS */
.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.demo-card {
  border-radius: var(--rounded-md);
  padding: var(--spacing-md);
}

.demo-card--peach { background: var(--color-signature-peach); }
.demo-card--mint { background: var(--color-signature-mint); }
.demo-card--yellow { background: var(--color-signature-yellow); }
.demo-card--mustard { background: var(--color-signature-mustard); }
.demo-card--cream { background: var(--color-signature-cream); }

.demo-card-img {
  border-radius: var(--rounded-md);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
  aspect-ratio: 4/3;
}

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

.demo-card-label {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}

.demo-card-text {
  font-size: 14px;
  color: var(--color-body);
}

/* SIGNATURE BAND */
.signature-band {
  padding: var(--spacing-section) 0;
}

.signature-band .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

/* CREAM CALLOUT */
.cream-callout {
  background: var(--color-signature-cream);
  border-radius: var(--rounded-md);
  padding: var(--spacing-lg);
  padding: var(--spacing-xxl);
}

.cream-callout h2 {
  font-family: 'Inter Display', sans-serif;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}

.cream-callout p {
  font-size: 14px;
  color: var(--color-body);
}

/* CTA BAND */
.cta-band {
  background: var(--color-surface-strong);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  text-align: center;
  margin: 0 var(--spacing-xxl);
}

.cta-band h2 {
  font-family: 'Inter Display', sans-serif;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}

.cta-band p {
  font-size: 14px;
  color: var(--color-body);
  margin-bottom: var(--spacing-xl);
}

/* CONTACT FORM */
.contact-form {
  max-width: 520px;
}

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

.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%;
  height: 44px;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 400;
  padding: 12px 16px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  outline: none;
  font-family: inherit;
}

.form-group textarea {
  height: auto;
  min-height: 100px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #458fff;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xxl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  font-family: 'Inter Display', sans-serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
  display: block;
  text-decoration: none;
}

.footer-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.5;
}

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

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

.footer-col ul a {
  font-size: 14px;
  color: var(--color-muted);
  text-decoration: none;
}

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

.footer-legal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-hairline);
  padding-top: var(--spacing-xl);
  font-size: 14px;
  color: var(--color-muted);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-legal-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-legal-links a {
  color: var(--color-muted);
  font-size: 14px;
  text-decoration: none;
}

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

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface-dark);
  color: var(--color-on-primary);
  padding: var(--spacing-lg) var(--spacing-xxl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
  z-index: 999;
  flex-wrap: wrap;
}

.cookie-banner p {
  font-size: 14px;
  color: var(--color-on-primary);
  flex: 1;
  min-width: 240px;
}

.cookie-banner p a {
  color: #90b8ff;
}

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

.btn-legal {
  background: var(--color-link);
  color: var(--color-on-primary);
  font-size: 13.12px;
  font-weight: 600;
  padding: 12px 10px;
  border-radius: var(--rounded-xs);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-legal:hover { opacity: 0.9; }

.btn-legal-reject {
  background: transparent;
  color: var(--color-on-primary);
  font-size: 13.12px;
  font-weight: 600;
  padding: 12px 10px;
  border-radius: var(--rounded-xs);
  border: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
  white-space: nowrap;
}

.btn-legal-reject:hover { border-color: rgba(255,255,255,0.6); }

/* ARTICLE PAGE */
.article-page {
  padding: var(--spacing-section) 0;
}

.article-page .container {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--spacing-xxl);
  align-items: start;
}

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

.article-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xs);
}

.article-header h1 {
  font-family: 'Inter Display', sans-serif;
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}

.article-meta {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.16px;
  color: var(--color-muted);
}

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

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

.article-body h2 {
  font-family: 'Inter Display', sans-serif;
  font-size: 24px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.12px;
  color: var(--color-ink);
  margin: var(--spacing-xl) 0 var(--spacing-md);
}

.article-body h3 {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-ink);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.article-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-body);
  margin-bottom: var(--spacing-md);
}

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

.article-body li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-body);
  margin-bottom: var(--spacing-xs);
}

.article-body a {
  color: var(--color-link);
}

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

.sidebar-card {
  background: var(--color-surface-soft);
  border-radius: var(--rounded-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.sidebar-card h4 {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}

.sidebar-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.sidebar-card ul a {
  font-size: 14px;
  color: var(--color-link);
  text-decoration: none;
}

.sidebar-card ul a:hover { color: var(--color-link-active); }

/* PAGE HERO (articles-style dark) */
.page-hero {
  background: var(--color-surface-dark-elevated);
  padding: var(--spacing-section) 0;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 8px;
  background: var(--color-signature-coral);
}

.page-hero::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 8px;
  width: 5px;
  background: var(--color-signature-forest);
}

.page-hero h1 {
  font-family: 'Inter Display', sans-serif;
  font-size: 48px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--color-on-primary);
  margin-bottom: var(--spacing-md);
}

.page-hero p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  max-width: 560px;
}

/* STATIC PAGES */
.static-page {
  padding: var(--spacing-section) 0;
}

.static-page h1 {
  font-family: 'Inter Display', sans-serif;
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xl);
}

.static-page h2 {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.12px;
  color: var(--color-ink);
  margin: var(--spacing-xl) 0 var(--spacing-md);
}

.static-page h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.static-page p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-body);
  margin-bottom: var(--spacing-md);
}

.static-page ul, .static-page ol {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.static-page li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-body);
  margin-bottom: var(--spacing-xs);
}

.static-page a { color: var(--color-link); }

.static-page .last-updated {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.16px;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xl);
}

.static-content {
  max-width: 760px;
}

/* DISCLAIMER */
.disclaimer {
  background: var(--color-surface-soft);
  border-left: 3px solid var(--color-signature-mustard);
  border-radius: var(--rounded-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.disclaimer p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .demo-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
  .signature-band .container { grid-template-columns: 1fr; }
  .article-page .container { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--spacing-lg); }
  .nav-menu { display: none; }
  .nav-actions { display: none; }
  .nav-hamburger { display: flex; }
  .nav-menu.is-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-canvas);
    padding: var(--spacing-xl);
    gap: var(--spacing-xl);
    z-index: 99;
    align-items: flex-start;
    overflow-y: auto;
  }
  .nav-menu.is-open + .nav-actions {
    display: none;
  }
  .hero-band .container { grid-template-columns: 1fr; }
  .hero-image { display: none; }
  .article-grid { grid-template-columns: 1fr; }
  .demo-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
  .page-hero h1 { font-size: 32px; }
  .cta-band { margin: 0 var(--spacing-md); padding: var(--spacing-xl); }
  .cookie-banner { flex-direction: column; align-items: flex-start; }
}