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

:root {
  --primary: #181d26;
  --primary-active: #0d1218;
  --canvas: #ffffff;
  --surface-soft: #f8fafc;
  --surface-strong: #e0e2e6;
  --surface-dark: #181d26;
  --hairline: #dddddd;
  --ink: #181d26;
  --body: #333840;
  --muted: #41454d;
  --on-primary: #ffffff;
  --link: #1b61c9;
  --link-active: #1a3866;
  --sig-coral: #aa2d00;
  --sig-forest: #0a2e0e;
  --sig-cream: #f5e9d4;
  --sig-peach: #fcab79;
  --sig-mint: #a8d8c4;
  --sig-yellow: #f4d35e;
  --sig-mustard: #d9a441;
  --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;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, '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:hover { color: var(--link-active); }
img { max-width: 100%; height: auto; display: block; }

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

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

.top-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-brand {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.3px;
}

.nav-brand span { color: var(--sig-coral); }

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

.nav-links a {
  font-size: 14px;
  color: var(--body);
  font-weight: 400;
}

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

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.2s;
}

/* BUTTONS */
.btn-primary {
  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;
  display: inline-block;
  white-space: nowrap;
  min-height: 48px;
  text-align: center;
}

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

.btn-secondary {
  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;
  display: inline-block;
  white-space: nowrap;
  min-height: 48px;
  text-align: center;
}

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

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

.hero-band h1 {
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
  max-width: 640px;
  margin-bottom: var(--spacing-lg);
}

.hero-band p {
  font-size: 14px;
  color: var(--body);
  max-width: 520px;
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-band .btn-row {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: var(--spacing-xl);
  font-size: 13px;
  color: var(--muted);
}

/* SECTIONS */
.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-lg);
}

.section-sub {
  font-size: 14px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: var(--spacing-xxl);
}

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

.sig-coral h2 {
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--on-primary);
  margin-bottom: var(--spacing-md);
}

.sig-coral p {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
  max-width: 520px;
}

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

.sig-forest h2 {
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--on-primary);
  margin-bottom: var(--spacing-md);
}

.sig-forest p {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
  max-width: 520px;
}

.sig-dark {
  background: var(--surface-dark);
  color: var(--on-primary);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
}

.sig-dark h2 {
  font-size: 32px;
  font-weight: 400;
  color: var(--on-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.sig-dark p {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
  max-width: 520px;
}

/* 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-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--spacing-xs);
  display: block;
}

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

.article-card h3 a {
  color: var(--ink);
}

.article-card h3 a:hover { color: var(--link); }

.article-card p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.article-meta {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

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

.cream-callout h3 {
  font-size: 24px;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: var(--spacing-sm);
  line-height: 1.35;
}

.cream-callout p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
}

/* 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 h4 {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: var(--spacing-xs);
}

.demo-card p {
  font-size: 14px;
  line-height: 1.6;
}

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

/* CTA BAND */
.cta-band-light {
  background: var(--surface-strong);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.cta-band-light h2 {
  font-size: 32px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.2;
}

/* FORM */
.contact-form-section {
  background: var(--surface-soft);
  padding: var(--spacing-section) 0;
}

.form-card {
  background: var(--canvas);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--hairline);
  max-width: 520px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--canvas);
  color: var(--ink);
  font-size: 14px;
  font-family: inherit;
  border-radius: var(--rounded-sm);
  border: 1px solid var(--hairline);
  padding: 12px 16px;
  height: 44px;
  outline: none;
}

.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(--canvas);
  border-top: 1px solid var(--hairline);
  padding: var(--spacing-section) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-top: var(--spacing-sm);
}

.footer-col h5 {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: var(--spacing-sm);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  font-size: 14px;
  color: var(--muted);
}

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

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

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

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

.footer-legal-links a {
  font-size: 13px;
  color: var(--muted);
}

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

.article-hero h1 {
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
  max-width: 720px;
  margin-bottom: var(--spacing-lg);
}

.article-hero .article-meta {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: var(--spacing-xl);
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.article-hero img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: var(--rounded-md);
}

.article-body {
  max-width: 720px;
  padding: var(--spacing-xl) 0 var(--spacing-section);
}

.article-body h2 {
  font-size: 24px;
  font-weight: 400;
  color: var(--ink);
  margin: var(--spacing-xxl) 0 var(--spacing-md);
  line-height: 1.35;
}

.article-body h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  margin: var(--spacing-xl) 0 var(--spacing-sm);
  line-height: 1.4;
}

.article-body p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: var(--spacing-md);
}

.article-body ul,
.article-body ol {
  margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-xl);
}

.article-body li {
  font-size: 14px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 6px;
}

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

.article-body img {
  border-radius: var(--rounded-md);
  margin: var(--spacing-xl) 0;
  width: 100%;
}

.article-aside {
  width: 280px;
  flex-shrink: 0;
}

.article-layout {
  display: flex;
  gap: var(--spacing-xxl);
  padding-bottom: var(--spacing-section);
}

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

.sidebar-card h5 {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: var(--spacing-sm);
}

.sidebar-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-card li a {
  font-size: 14px;
  color: var(--link);
  line-height: 1.4;
}

.sidebar-divider {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: var(--spacing-xxl) 0;
}

/* PAGE CONTENT */
.page-hero {
  padding: var(--spacing-section) 0 var(--spacing-xl);
}

.page-hero h1 {
  font-size: 40px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}

.page-hero p {
  font-size: 14px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.75;
}

.page-body {
  max-width: 760px;
  padding-bottom: var(--spacing-section);
}

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

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

.page-body p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: var(--spacing-md);
}

.page-body ul, .page-body ol {
  margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-xl);
}

.page-body li {
  font-size: 14px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 6px;
}

/* COOKIE BANNER */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface-dark);
  color: var(--on-primary);
  padding: var(--spacing-md) var(--spacing-xxl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  z-index: 9999;
  flex-wrap: wrap;
}

#cookie-banner p {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  line-height: 1.5;
  flex: 1;
}

#cookie-banner p a {
  color: rgba(255,255,255,0.85);
  text-decoration: underline;
}

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

/* DISCLAIMER */
.disclaimer-bar {
  background: var(--sig-cream);
  padding: var(--spacing-sm) 0;
  text-align: center;
}

.disclaimer-bar p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* BREADCRUMB */
.breadcrumb {
  padding: var(--spacing-md) 0;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 8px;
  align-items: center;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--link); }
.breadcrumb .sep { color: var(--hairline); }

/* MOBILE NAV */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--canvas);
  z-index: 200;
  flex-direction: column;
  padding: var(--spacing-xxl);
  gap: var(--spacing-lg);
}

.mobile-menu.open { display: flex; }

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--ink);
}

.mobile-menu a {
  font-size: 20px;
  color: var(--ink);
  font-weight: 400;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .demo-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { flex-direction: column; }
  .article-aside { width: 100%; }
}

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

@media (max-width: 480px) {
  .hero-band { padding: 64px 0; }
  .section { padding: 64px 0; }
  .sig-coral, .sig-forest, .sig-dark { padding: var(--spacing-xl); }
}