:root {
  --primary: #181d26;
  --primary-active: #0d1218;
  --canvas: #ffffff;
  --surface-soft: #f8fafc;
  --surface-strong: #e0e2e6;
  --surface-dark: #181d26;
  --surface-dark-elevated: #1d1f25;
  --hairline: #dddddd;
  --ink: #181d26;
  --body: #333840;
  --muted: #41454d;
  --border-strong: #9297a0;
  --on-primary: #ffffff;
  --signature-coral: #aa2d00;
  --signature-forest: #0a2e0e;
  --signature-cream: #f5e9d4;
  --signature-peach: #fcab79;
  --signature-mint: #a8d8c4;
  --signature-yellow: #f4d35e;
  --link: #1b61c9;
  --link-active: #1a3866;
  --info: #254fad;
  --info-border: #458fff;
  --rounded-xs: 2px;
  --rounded-sm: 6px;
  --rounded-md: 10px;
  --rounded-lg: 12px;
  --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: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--body);
  background: var(--canvas);
}

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

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

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

/* TOP NAV */
.top-nav {
  height: 64px;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
}
.top-nav .container {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--spacing-lg);
}
.nav-brand {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
  flex: 1;
}
.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--body);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}
.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(--ink);
  border-radius: 2px;
}

/* BUTTONS */
.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: var(--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;
  box-shadow: 0 1px 4px rgba(24,29,38,0.10), 0 0 0 1px rgba(24,29,38,0.04);
  transition: background 0.15s;
}
.btn-primary:active { background: var(--primary-active); }

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

.btn-secondary-on-dark {
  display: inline-block;
  background: var(--canvas);
  color: var(--ink);
  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;
}

/* HERO */
.hero-band {
  padding: var(--spacing-section) 0;
  background: var(--canvas);
}
.hero-band .container { max-width: 720px; }
.hero-band h1 {
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: var(--spacing-lg);
}
.hero-band p {
  font-size: 14px;
  font-weight: 400;
  color: var(--body);
  margin-bottom: var(--spacing-xl);
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* TYPOGRAPHY */
h1 { font-size: 40px; font-weight: 400; line-height: 1.2; color: var(--ink); }
h2 { font-size: 32px; font-weight: 400; line-height: 1.2; color: var(--ink); }
h3 { font-size: 24px; font-weight: 400; line-height: 1.35; color: var(--ink); }
h4 { font-size: 20px; font-weight: 400; line-height: 1.5; color: var(--ink); }
h5 { font-size: 18px; font-weight: 500; line-height: 1.4; color: var(--ink); }
h6 { font-size: 16px; font-weight: 500; line-height: 1.4; color: var(--ink); }
p { font-size: 14px; font-weight: 400; line-height: 1.25; color: var(--body); }

/* SECTION */
.section { padding: var(--spacing-section) 0; }
.section-title {
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: var(--spacing-xxl);
}
.section-subtitle {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: var(--spacing-lg);
}

/* SIGNATURE CARDS */
.signature-coral-card {
  background: var(--signature-coral);
  color: var(--on-primary);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
}
.signature-coral-card h2,
.signature-coral-card h3 { color: var(--on-primary); }
.signature-coral-card p { color: rgba(255,255,255,0.88); }

.signature-forest-card {
  background: var(--signature-forest);
  color: var(--on-primary);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
}
.signature-forest-card h2,
.signature-forest-card h3 { color: var(--on-primary); }
.signature-forest-card p { color: rgba(255,255,255,0.88); }

.hero-card-dark {
  background: var(--surface-dark);
  color: var(--on-primary);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
}
.hero-card-dark h2,
.hero-card-dark h3 { color: var(--on-primary); }
.hero-card-dark p { color: rgba(255,255,255,0.80); }

.cream-callout-card {
  background: var(--signature-cream);
  border-radius: var(--rounded-md);
  padding: var(--spacing-lg);
}

/* DEMO GRID */
.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}
.demo-grid-card {
  background: var(--canvas);
  border-radius: var(--rounded-md);
  padding: var(--spacing-md);
  overflow: hidden;
}
.demo-grid-card.peach { background: var(--signature-peach); }
.demo-grid-card.mint  { background: var(--signature-mint); }
.demo-grid-card.cream { background: var(--signature-cream); }
.demo-grid-card.yellow { background: var(--signature-yellow); }
.demo-grid-card img {
  width: 100%;
  border-radius: var(--rounded-md);
  aspect-ratio: 4/3;
  object-fit: cover;
  margin-bottom: var(--spacing-md);
}
.demo-grid-card h5 { margin-bottom: var(--spacing-xs); }
.demo-grid-card p { font-size: 14px; }

/* ARTICLE CARDS */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}
.article-card {
  background: var(--canvas);
  border-radius: var(--rounded-md);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.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: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--spacing-xs);
}
.article-card h5 { margin-bottom: var(--spacing-xs); }
.article-card p { font-size: 14px; color: var(--body); margin-bottom: var(--spacing-sm); }
.article-card-meta { font-size: 13px; color: var(--muted); }

/* CTA BAND LIGHT */
.cta-band-light {
  background: var(--surface-strong);
  padding: var(--spacing-section) 0;
}
.cta-band-light .container { text-align: center; }
.cta-band-light h2 { margin-bottom: var(--spacing-xl); }

/* LOGO STRIP */
.logo-strip {
  padding: var(--spacing-xl) 0;
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.logo-strip .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xxl);
  flex-wrap: wrap;
}
.logo-strip-item {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  opacity: 0.7;
}

/* FOOTER */
.footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: var(--spacing-section) 0 var(--spacing-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}
.footer-brand { font-size: 18px; font-weight: 500; color: var(--ink); margin-bottom: var(--spacing-md); }
.footer-tagline { font-size: 14px; color: var(--muted); }
.footer-col h6 { font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: var(--spacing-md); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: var(--spacing-xs); }
.footer-col ul li a { font-size: 14px; color: var(--muted); }
.footer-legal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--hairline);
  padding-top: var(--spacing-lg);
  font-size: 14px;
  color: var(--muted);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}
.footer-legal-links { display: flex; gap: var(--spacing-lg); }
.footer-legal-links a { font-size: 14px; color: var(--muted); }

/* TEXT INPUT / FORM */
.text-input {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-sm);
  padding: 12px 16px;
  height: 44px;
  font-size: 14px;
  color: var(--ink);
  width: 100%;
  font-family: inherit;
}
.text-input:focus {
  outline: none;
  border-color: var(--info-border);
}

/* CONTACT FORM */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  max-width: 640px;
}
.contact-form .full-width { grid-column: 1 / -1; }
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: var(--spacing-xs);
}
.form-group { display: flex; flex-direction: column; }

/* ARTICLE PAGE */
.article-hero { padding: var(--spacing-section) 0 var(--spacing-xl); }
.article-hero .article-tag {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.16px;
  color: var(--muted);
  margin-bottom: var(--spacing-md);
  display: block;
}
.article-hero h1 { margin-bottom: var(--spacing-lg); max-width: 720px; }
.article-hero .article-meta { font-size: 14px; color: var(--muted); margin-bottom: var(--spacing-xl); }
.article-hero img {
  width: 100%;
  border-radius: var(--rounded-lg);
  aspect-ratio: 16/9;
  object-fit: cover;
}
.article-body { max-width: 720px; margin: 0 auto; padding: var(--spacing-xl) 0 var(--spacing-section); }
.article-body p { margin-bottom: var(--spacing-lg); font-size: 14px; line-height: 1.6; }
.article-body h2 { margin: var(--spacing-xl) 0 var(--spacing-md); }
.article-body h3 { margin: var(--spacing-lg) 0 var(--spacing-md); }
.article-body ul, .article-body ol {
  margin: 0 0 var(--spacing-lg) var(--spacing-xl);
}
.article-body li { font-size: 14px; line-height: 1.6; margin-bottom: var(--spacing-xs); }
.article-body a { color: var(--link); }
.article-body blockquote {
  border-left: 3px solid var(--hairline);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  color: var(--muted);
  font-style: italic;
}

/* INNER PAGE */
.inner-page { padding: var(--spacing-section) 0; }
.inner-page h1 { margin-bottom: var(--spacing-xl); }
.inner-page h2 { margin: var(--spacing-xl) 0 var(--spacing-md); font-size: 24px; }
.inner-page h3 { margin: var(--spacing-lg) 0 var(--spacing-sm); font-size: 18px; }
.inner-page p { margin-bottom: var(--spacing-lg); font-size: 14px; line-height: 1.6; max-width: 720px; }
.inner-page ul { margin: 0 0 var(--spacing-lg) var(--spacing-xl); }
.inner-page li { font-size: 14px; line-height: 1.6; margin-bottom: var(--spacing-xs); }

/* COOKIE BANNER */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface-dark);
  color: var(--on-primary);
  padding: var(--spacing-lg) var(--spacing-xxl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  z-index: 9999;
  flex-wrap: wrap;
}
#cookie-banner p { color: rgba(255,255,255,0.85); font-size: 14px; max-width: 700px; }
#cookie-banner a { color: rgba(255,255,255,0.75); text-decoration: underline; }
.cookie-actions { display: flex; gap: var(--spacing-sm); flex-shrink: 0; }
.btn-cookie-accept {
  background: var(--link);
  color: var(--on-primary);
  font-size: 13.12px;
  font-weight: 600;
  border-radius: var(--rounded-xs);
  padding: 12px 10px;
  border: none;
  cursor: pointer;
}
.btn-cookie-reject {
  background: transparent;
  color: rgba(255,255,255,0.7);
  font-size: 13.12px;
  font-weight: 600;
  border-radius: var(--rounded-xs);
  padding: 12px 10px;
  border: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
}

/* DIVIDER */
.band { padding: var(--spacing-section) 0; }
.band-soft { background: var(--surface-soft); }
.band-cream { background: var(--signature-cream); }
.band-dark { background: var(--surface-dark); }
.band-strong { background: var(--surface-strong); }

/* TWO-COL */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}
.two-col p { margin-bottom: var(--spacing-lg); }

/* MOBILE NAV OVERLAY */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--canvas);
  z-index: 200;
  flex-direction: column;
  padding: var(--spacing-xl);
}
.mobile-nav-overlay.open { display: flex; }
.mobile-nav-close {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--ink);
  margin-bottom: var(--spacing-xl);
}
.mobile-nav-links { list-style: none; }
.mobile-nav-links li { border-bottom: 1px solid var(--hairline); }
.mobile-nav-links a {
  display: block;
  padding: var(--spacing-md) 0;
  font-size: 18px;
  font-weight: 400;
  color: var(--ink);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .demo-grid { grid-template-columns: 1fr 1fr; }
  .article-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 var(--spacing-md); }
  .nav-links { display: none; }
  .nav-actions { display: none; }
  .nav-hamburger { display: flex; margin-left: auto; }
  h1 { font-size: 28px; }
  h2 { font-size: 24px; }
  h3 { font-size: 20px; }
  .hero-band { padding: var(--spacing-xxl) 0; }
  .demo-grid { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .logo-strip .container { gap: var(--spacing-lg); }
  #cookie-banner { flex-direction: column; align-items: flex-start; }
  .signature-coral-card, .signature-forest-card, .hero-card-dark { padding: var(--spacing-xl); }
  .section { padding: var(--spacing-xxl) 0; }
  .band { padding: var(--spacing-xxl) 0; }
  .cta-band-light { padding: var(--spacing-xxl) 0; }
}