@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&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;
  --max-width: 1280px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-body);
  background: var(--color-canvas);
}

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

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

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

/* NAV */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline);
  height: 64px;
  display: flex;
  align-items: center;
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav-logo {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.3px;
}
.nav-logo span { color: var(--color-signature-coral); }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-body);
  text-decoration: none;
}
.nav-links a:hover { color: var(--color-ink); text-decoration: none; }
.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: transform 0.2s;
}
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-canvas);
  z-index: 99;
  padding: var(--spacing-xl);
  flex-direction: column;
  gap: var(--spacing-lg);
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  text-decoration: none;
}

/* HERO */
.hero-band {
  padding: var(--spacing-section) 0;
  background: var(--color-canvas);
}
.hero-band .container { max-width: 720px; }
.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
}
.hero-h1 {
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: var(--spacing-lg);
}
.hero-sub {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-body);
  margin-bottom: var(--spacing-xxl);
  max-width: 580px;
}

/* BUTTONS */
.btn-primary {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  padding: 14px 24px;
  border-radius: var(--rounded-lg);
  text-decoration: none;
  border: none;
  cursor: pointer;
  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;
  line-height: 1.4;
  padding: 14px 24px;
  border-radius: var(--rounded-lg);
  text-decoration: none;
  border: 1px solid var(--color-hairline);
  cursor: pointer;
  transition: border-color 0.15s;
}
.btn-secondary:hover { border-color: var(--color-ink); text-decoration: none; color: var(--color-ink); }

.btn-on-dark {
  display: inline-block;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
  font-weight: 500;
  padding: 14px 24px;
  border-radius: var(--rounded-lg);
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-on-dark:hover { background: #f0f0f0; text-decoration: none; color: var(--color-ink); }

.btn-legal {
  display: inline-block;
  background: var(--color-link);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--rounded-xs);
  border: none;
  cursor: pointer;
  text-decoration: none;
}

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

.section-title {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.12px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}

.section-sub {
  font-size: 14px;
  color: var(--color-body);
  max-width: 560px;
  margin-bottom: var(--spacing-xl);
}

/* SIGNATURE CARDS */
.signature-coral {
  background: var(--color-signature-coral);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  color: var(--color-on-primary);
  margin: var(--spacing-section) 0;
}
.signature-coral h2 {
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: #fff;
}
.signature-coral p {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--spacing-xl);
  max-width: 540px;
}

.signature-dark {
  background: var(--color-surface-dark);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  color: var(--color-on-primary);
}
.signature-dark h2 {
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  color: #fff;
  margin-bottom: var(--spacing-md);
}
.signature-dark p {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--spacing-xl);
  max-width: 520px;
}

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

.cream-callout {
  background: var(--color-signature-cream);
  border-radius: var(--rounded-md);
  padding: var(--spacing-xl);
}
.cream-callout h3 {
  font-size: 20px;
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: var(--spacing-sm);
}
.cream-callout p { font-size: 14px; color: var(--color-body); }

/* ARTICLE CARDS GRID */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}
.article-card {
  background: var(--color-canvas);
  border-radius: var(--rounded-md);
  border: 1px solid var(--color-hairline);
  overflow: hidden;
  text-decoration: none;
  display: block;
}
.article-card:hover { text-decoration: none; border-color: #b0b0b0; }
.article-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.article-card-body { padding: var(--spacing-md); }
.article-card-tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.6px;
  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-meta {
  font-size: 13px;
  color: var(--color-muted);
}

/* DEMO GRID */
.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-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: 13px; color: var(--color-body); line-height: 1.5; }
.demo-card img {
  border-radius: var(--rounded-md);
  margin-bottom: var(--spacing-sm);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* CTA BAND */
.cta-band {
  background: var(--color-surface-strong);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
}
.cta-band h2 {
  font-size: 32px;
  font-weight: 400;
  color: var(--color-ink);
  max-width: 480px;
}

/* CONTACT FORM */
.contact-form {
  display: grid;
  gap: var(--spacing-md);
  max-width: 480px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink);
}
.form-group input, .form-group textarea {
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font);
  font-size: 14px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  padding: 12px 16px;
  height: 44px;
  outline: none;
  width: 100%;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: #458fff;
}
.form-group textarea { height: auto; min-height: 100px; resize: vertical; }

/* 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-xxl);
}
.footer-brand-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--spacing-sm);
}
.footer-brand-name span { color: var(--color-signature-coral); }
.footer-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  max-width: 240px;
  margin-bottom: var(--spacing-md);
}
.footer-contact-line {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 4px;
}
.footer-col-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-sm);
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 13px; color: var(--color-muted); text-decoration: none; }
.footer-links a:hover { color: var(--color-ink); text-decoration: none; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-hairline);
  font-size: 12px;
  color: var(--color-muted);
}
.footer-bottom a { color: var(--color-muted); text-decoration: none; }
.footer-bottom a:hover { color: var(--color-ink); }

/* ARTICLE PAGE */
.article-hero {
  padding: var(--spacing-section) 0 var(--spacing-xl);
  background: var(--color-canvas);
}
.article-hero-img {
  width: 100%;
  border-radius: var(--rounded-md);
  aspect-ratio: 16/7;
  object-fit: cover;
  margin-bottom: var(--spacing-xl);
}
.article-breadcrumb {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
}
.article-breadcrumb a { color: var(--color-muted); text-decoration: none; }
.article-breadcrumb a:hover { color: var(--color-ink); }
.article-h1 {
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}
.article-meta {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xxl);
}
.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: var(--spacing-section);
}
.article-body h2 {
  font-size: 28px;
  font-weight: 400;
  color: var(--color-ink);
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-md);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-ink);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}
.article-body p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-body);
  margin-bottom: var(--spacing-md);
}
.article-body ul, .article-body ol {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}
.article-body li {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-body);
  margin-bottom: var(--spacing-xs);
}
.article-body a { color: var(--color-link); }
.article-body img {
  border-radius: var(--rounded-md);
  margin: var(--spacing-xl) 0;
  width: 100%;
}
.article-body blockquote {
  border-left: 3px solid var(--color-signature-coral);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  background: var(--color-surface-soft);
  border-radius: 0 var(--rounded-sm) var(--rounded-sm) 0;
}
.article-body blockquote p { margin: 0; font-style: italic; }

/* STATIC PAGES */
.page-hero {
  padding: var(--spacing-section) 0 var(--spacing-xl);
}
.page-h1 {
  font-size: 40px;
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}
.page-body {
  max-width: 720px;
  padding-bottom: var(--spacing-section);
}
.page-body h2 {
  font-size: 24px;
  font-weight: 500;
  color: var(--color-ink);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}
.page-body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-body);
  margin-bottom: var(--spacing-md);
}
.page-body ul {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}
.page-body li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-body);
  margin-bottom: 6px;
}
.page-body a { color: var(--color-link); }
.page-updated {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xl);
}

/* COOKIE BANNER */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface-dark);
  color: #fff;
  padding: var(--spacing-md) var(--spacing-xxl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  z-index: 9999;
  font-size: 13px;
}
#cookie-banner p { color: rgba(255,255,255,0.85); max-width: 640px; }
#cookie-banner a { color: #a8d8ff; }
.cookie-btns { display: flex; gap: var(--spacing-xs); flex-shrink: 0; }
#cookie-reject {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--rounded-xs);
  cursor: pointer;
}

/* DISCLAIMER */
.disclaimer {
  background: var(--color-surface-soft);
  border-left: 3px solid var(--color-hairline);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-top: var(--spacing-xl);
  border-radius: 0 var(--rounded-sm) var(--rounded-sm) 0;
  font-size: 13px;
  color: var(--color-muted);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .articles-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); }
  .cta-band { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--spacing-md); }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero-h1 { font-size: 28px; }
  .hero-sub { font-size: 16px; }
  .articles-grid { grid-template-columns: 1fr; }
  .demo-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .signature-coral, .signature-dark, .signature-forest { padding: var(--spacing-xl); }
  .signature-coral h2, .signature-dark h2, .signature-forest h2 { font-size: 24px; }
  .article-h1 { font-size: 28px; }
  .page-h1 { font-size: 28px; }
  #cookie-banner { flex-direction: column; align-items: flex-start; padding: var(--spacing-md); }
  .footer-bottom { flex-direction: column; gap: var(--spacing-xs); text-align: center; }
  .section { padding: var(--spacing-xxl) 0; }
  .hero-band { padding: var(--spacing-xxl) 0; }
}