@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300..900;1,14..32,300..900&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-hairline: #dddddd;
  --color-ink: #181d26;
  --color-body: #333840;
  --color-muted: #41454d;
  --color-on-primary: #ffffff;
  --color-link: #1b61c9;
  --color-signature-coral: #aa2d00;
  --color-signature-forest: #0a2e0e;
  --color-signature-cream: #f5e9d4;
  --color-signature-peach: #fcab79;
  --color-signature-mint: #a8d8c4;
  --rounded-xs: 2px;
  --rounded-sm: 6px;
  --rounded-md: 10px;
  --rounded-lg: 12px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-section: 96px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1280px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--color-canvas); color: var(--color-body); font-size: 14px; font-weight: 400; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

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

nav.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline);
  display: flex;
  align-items: center;
}
nav.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.3px;
  text-decoration: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}
.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-body);
  text-decoration: none;
}
.nav-links a:hover { color: var(--color-ink); }
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  flex-direction: column;
  gap: 5px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: all 0.2s;
}
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-canvas);
  z-index: 200;
  flex-direction: column;
  padding: var(--spacing-xl);
  gap: var(--spacing-lg);
}
.mobile-menu.open { display: flex; }
.mobile-menu-close {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}
.mobile-menu a {
  font-size: 20px;
  font-weight: 400;
  color: var(--color-ink);
  text-decoration: none;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-hairline);
}

.hero-band {
  padding: var(--spacing-section) 0;
  background: var(--color-canvas);
}
.hero-band .hero-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
}
.hero-band h1 {
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink);
  max-width: 720px;
  margin-bottom: var(--spacing-lg);
}
.hero-band p.hero-sub {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-body);
  max-width: 560px;
  margin-bottom: var(--spacing-xl);
}
.hero-band .hero-meta {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xl);
}

.btn-primary {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 16px;
  font-weight: 500;
  padding: 16px 24px;
  border-radius: var(--rounded-lg);
  border: none;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.4;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--color-primary-active); text-decoration: none; color: var(--color-on-primary); }

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

.btn-legal {
  display: inline-block;
  background: var(--color-link);
  color: #fff;
  font-size: 13.12px;
  font-weight: 600;
  padding: 12px 10px;
  border-radius: var(--rounded-xs);
  border: none;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
}

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

.section-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
}

h2.section-title {
  font-size: 32px;
  font-weight: 400;
  color: var(--color-ink);
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}

h3.card-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.4;
  margin-bottom: var(--spacing-xs);
}

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

.article-card {
  background: var(--color-canvas);
  border-radius: var(--rounded-md);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
  display: flex;
  flex-direction: column;
}
.article-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.article-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-card-body {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}
.article-card-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-muted);
}
.article-card-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.4;
  flex: 1;
}
.article-card-title a { color: var(--color-ink); text-decoration: none; }
.article-card-title a:hover { text-decoration: underline; }
.article-card-meta {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: var(--spacing-xs);
}

.signature-coral {
  background: var(--color-signature-coral);
  padding: var(--spacing-section) 0;
}
.signature-coral h2 {
  font-size: 32px;
  font-weight: 400;
  color: #fff;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}
.signature-coral p {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  max-width: 520px;
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.signature-forest {
  background: var(--color-signature-forest);
  padding: var(--spacing-section) 0;
}
.signature-forest h2 {
  font-size: 32px;
  font-weight: 400;
  color: #fff;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}
.signature-forest p {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  max-width: 520px;
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.cream-callout {
  background: var(--color-signature-cream);
  padding: var(--spacing-section) 0;
}
.cream-callout h2 {
  font-size: 32px;
  font-weight: 400;
  color: var(--color-ink);
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  max-width: 640px;
}
.cream-callout p {
  font-size: 14px;
  color: var(--color-body);
  max-width: 520px;
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
}

.cta-dark {
  background: var(--color-surface-dark);
  padding: var(--spacing-section) 0;
}
.cta-dark h2 {
  font-size: 32px;
  font-weight: 400;
  color: #fff;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  max-width: 580px;
}
.cta-dark p {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
}

.cta-light-band {
  background: var(--color-surface-strong);
  padding: var(--spacing-section) 0;
}
.cta-light-band h2 {
  font-size: 32px;
  font-weight: 400;
  color: var(--color-ink);
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}
.cta-light-band p {
  font-size: 14px;
  color: var(--color-body);
  max-width: 500px;
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}
.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-cream { background: var(--color-signature-cream); }
.demo-card h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}
.demo-card p {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.5;
}

.contact-form-section {
  padding: var(--spacing-section) 0;
  background: var(--color-surface-soft);
}
.contact-form {
  max-width: 540px;
}
.form-group {
  margin-bottom: var(--spacing-lg);
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}
.form-group input {
  width: 100%;
  height: 44px;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 14px;
  font-family: var(--font);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  padding: 12px 16px;
  outline: none;
}
.form-group input: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-xl);
  margin-bottom: var(--spacing-xl);
}
.footer-brand p {
  font-size: 14px;
  color: var(--color-muted);
  max-width: 280px;
  margin-top: var(--spacing-sm);
  line-height: 1.6;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}
.footer-col ul li { margin-bottom: var(--spacing-xs); }
.footer-col ul li a {
  font-size: 14px;
  color: var(--color-muted);
  text-decoration: none;
}
.footer-col ul li a:hover { color: var(--color-ink); text-decoration: none; }
.footer-legal {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}
.footer-legal p, .footer-legal a {
  font-size: 13px;
  color: var(--color-muted);
  text-decoration: none;
}
.footer-legal a:hover { color: var(--color-ink); }
.footer-legal-links { display: flex; gap: var(--spacing-lg); flex-wrap: wrap; }

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--color-surface-dark);
  color: #fff;
  padding: var(--spacing-lg) var(--spacing-xxl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}
.cookie-banner p {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  max-width: 640px;
  line-height: 1.5;
}
.cookie-banner p a { color: #fff; text-decoration: underline; }
.cookie-actions { display: flex; gap: var(--spacing-sm); flex-shrink: 0; }

.article-page-hero {
  padding: var(--spacing-section) 0 var(--spacing-xl);
  background: var(--color-surface-dark);
  position: relative;
  overflow: hidden;
}
.article-page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(170,45,0,0.35) 0px, rgba(170,45,0,0.35) 18px,
    rgba(10,46,14,0.3) 18px, rgba(10,46,14,0.3) 38px,
    rgba(252,171,121,0.2) 38px, rgba(252,171,121,0.2) 52px,
    rgba(168,216,196,0.2) 52px, rgba(168,216,196,0.2) 70px,
    transparent 70px, transparent 100px
  );
  pointer-events: none;
}
.article-page-hero .container { position: relative; z-index: 1; }
.article-page-hero .hero-tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--spacing-md);
}
.article-page-hero h1 {
  font-size: 40px;
  font-weight: 400;
  color: #fff;
  max-width: 700px;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}
.article-page-hero .hero-lead {
  font-size: 16px;
  color: rgba(255,255,255,0.78);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}
.article-page-hero .hero-meta {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.article-body-section {
  padding: var(--spacing-section) 0;
  background: var(--color-canvas);
}
.article-content {
  max-width: 760px;
}
.article-content h2 {
  font-size: 24px;
  font-weight: 400;
  color: var(--color-ink);
  margin: var(--spacing-xl) 0 var(--spacing-md);
  line-height: 1.35;
  letter-spacing: 0.12px;
}
.article-content h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
  line-height: 1.4;
}
.article-content p {
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}
.article-content ul {
  list-style: disc;
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}
.article-content ul li {
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: var(--spacing-xs);
}
.article-content a { color: var(--color-link); }
.article-img-block {
  margin: var(--spacing-xl) 0;
  border-radius: var(--rounded-md);
  overflow: hidden;
}
.article-img-block img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.article-img-caption {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: var(--spacing-xs);
  font-style: italic;
}

.related-articles {
  padding: var(--spacing-section) 0;
  background: var(--color-surface-soft);
}

.page-hero {
  padding: var(--spacing-section) 0;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline);
}
.page-hero h1 {
  font-size: 40px;
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}
.page-hero p {
  font-size: 16px;
  color: var(--color-body);
  max-width: 560px;
  line-height: 1.6;
}

.page-content-section {
  padding: var(--spacing-section) 0;
  background: var(--color-canvas);
}
.page-content {
  max-width: 760px;
}
.page-content h2 {
  font-size: 24px;
  font-weight: 400;
  color: var(--color-ink);
  margin: var(--spacing-xl) 0 var(--spacing-md);
  line-height: 1.35;
  letter-spacing: 0.12px;
}
.page-content h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}
.page-content p {
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}
.page-content ul {
  list-style: disc;
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}
.page-content ul li {
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: var(--spacing-xs);
}
.page-content a { color: var(--color-link); }

.breadcrumb {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: var(--spacing-lg);
}
.breadcrumb a { color: var(--color-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-ink); }
.breadcrumb span { margin: 0 6px; }

@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; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--spacing-md); }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero-band h1 { font-size: 28px; }
  .article-page-hero h1 { font-size: 26px; }
  .page-hero h1 { font-size: 28px; }
  h2.section-title { font-size: 24px; }
  .signature-coral h2, .signature-forest h2, .cream-callout h2, .cta-dark h2, .cta-light-band h2 { font-size: 24px; }
  .article-grid { grid-template-columns: 1fr; }
  .demo-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cookie-banner { flex-direction: column; align-items: flex-start; }
  .hero-band { padding: 64px 0; }
  .article-page-hero { padding: 64px 0 48px; }
}