*, *::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;
  --signature-coral: #aa2d00;
  --signature-forest: #0a2e0e;
  --signature-cream: #f5e9d4;
  --signature-peach: #fcab79;
  --signature-mint: #a8d8c4;
  --signature-yellow: #f4d35e;
  --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: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

html { scroll-behavior: smooth; }

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

a { color: var(--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);
}

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

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xxl);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.nav-logo {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

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

.nav-links a {
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
}

.nav-links a:hover { text-decoration: underline; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--ink);
}

.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: 680px;
  margin-bottom: var(--spacing-lg);
}

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

.hero-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--rounded-md);
  margin-top: var(--spacing-xl);
}

.section-band {
  padding: var(--spacing-section) 0;
}

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

.section-band-cream {
  background: var(--signature-cream);
  padding: var(--spacing-section) 0;
}

.section-band-dark {
  background: var(--surface-dark);
  padding: var(--spacing-section) 0;
}

.section-band-coral {
  background: var(--signature-coral);
  padding: var(--spacing-section) 0;
}

.section-band-dark h2,
.section-band-dark p,
.section-band-dark h3 {
  color: var(--on-primary);
}

.section-band-coral h2,
.section-band-coral p,
.section-band-coral h3 {
  color: var(--on-primary);
}

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

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

h4 {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: var(--spacing-sm);
}

p { margin-bottom: var(--spacing-md); }
p:last-child { margin-bottom: 0; }

.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%;
  height: 200px;
  object-fit: cover;
}

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

.article-card-tag {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: var(--spacing-xs);
}

.article-card h4 {
  margin-bottom: var(--spacing-xs);
}

.article-card h4 a {
  color: var(--ink);
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
}

.article-card h4 a:hover { text-decoration: underline; }

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

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

.signature-coral-card {
  background: var(--signature-coral);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
}

.signature-coral-card h2 { color: var(--on-primary); }
.signature-coral-card p { color: rgba(255,255,255,0.88); }

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

.signature-forest-card h2 { color: var(--on-primary); }
.signature-forest-card p { color: rgba(255,255,255,0.85); }

.hero-card-dark {
  background: var(--surface-dark);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
}

.hero-card-dark h2 { color: var(--on-primary); }
.hero-card-dark p { color: rgba(255,255,255,0.85); }

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

.demo-card h4 { color: var(--ink); }
.demo-card p { font-size: 13px; color: var(--body); }

.cta-band {
  background: var(--surface-strong);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  text-align: center;
}

.cta-band h2 { margin-bottom: var(--spacing-md); }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.two-col-img img {
  width: 100%;
  border-radius: var(--rounded-md);
  object-fit: cover;
  max-height: 360px;
}

.contact-form {
  background: var(--surface-soft);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  max-width: 560px;
}

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

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

.form-group input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-sm);
  padding: 0 var(--spacing-md);
  font-size: 14px;
  font-family: var(--font);
  background: var(--canvas);
  color: var(--ink);
}

.form-group input:focus {
  outline: none;
  border-color: #458fff;
}

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: var(--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;
  min-height: 48px;
}

.btn-primary:hover { background: var(--primary-active); text-decoration: none; color: var(--on-primary); }

.btn-secondary {
  display: inline-block;
  background: var(--canvas);
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
  padding: 16px 24px;
  border-radius: var(--rounded-lg);
  border: 1px solid var(--hairline);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.4;
  min-height: 48px;
}

.btn-secondary:hover { text-decoration: none; }

.btn-secondary-on-dark {
  display: inline-block;
  background: var(--canvas);
  color: var(--ink);
  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;
  min-height: 48px;
}

.btn-secondary-on-dark:hover { text-decoration: none; background: #f0f0f0; }

.article-hero {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  border-radius: var(--rounded-md);
  margin-bottom: var(--spacing-xl);
}

.article-content h2 { font-size: 28px; margin-top: var(--spacing-xl); margin-bottom: var(--spacing-md); }
.article-content h3 { font-size: 22px; margin-top: var(--spacing-xl); margin-bottom: var(--spacing-md); }
.article-content p { margin-bottom: var(--spacing-md); line-height: 1.75; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: var(--spacing-md); }
.article-content li { margin-bottom: var(--spacing-xs); line-height: 1.7; }
.article-content a { color: var(--link); }

.article-meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--hairline);
}

.article-tags {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: var(--spacing-sm);
}

.related-articles {
  margin-top: var(--spacing-section);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--hairline);
}

.page-hero {
  padding: var(--spacing-section) 0 var(--spacing-xl);
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
}

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

.page-content {
  padding: var(--spacing-section) 0;
  max-width: 740px;
}

.page-content h2 { font-size: 26px; margin-top: var(--spacing-xl); margin-bottom: var(--spacing-md); }
.page-content h3 { font-size: 20px; margin-top: var(--spacing-lg); margin-bottom: var(--spacing-sm); }
.page-content p { margin-bottom: var(--spacing-md); line-height: 1.75; }
.page-content ul { padding-left: 22px; margin-bottom: var(--spacing-md); }
.page-content li { margin-bottom: var(--spacing-xs); line-height: 1.7; }

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

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xxl);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: var(--spacing-sm);
}

.footer-tagline {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: var(--spacing-md);
}

.footer-meta {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.footer-meta a { color: var(--muted); }

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

.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: var(--spacing-xs); }
.site-footer ul li a { font-size: 14px; color: var(--muted); }
.site-footer ul li a:hover { color: var(--ink); text-decoration: none; }

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-xxl) 0;
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--muted);
}

.footer-disclaimer {
  margin-top: var(--spacing-sm);
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface-dark);
  color: var(--on-primary);
  padding: var(--spacing-md) var(--spacing-xxl);
  z-index: 999;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.2);
}

.cookie-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.cookie-banner p {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 0;
  flex: 1;
  min-width: 240px;
}

.cookie-banner p a { color: #93c5fd; }

.cookie-buttons { display: flex; gap: var(--spacing-sm); }

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

.btn-cookie-reject {
  background: transparent;
  color: rgba(255,255,255,0.75);
  font-size: 13.12px;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--rounded-xs);
  padding: 12px 10px;
  cursor: pointer;
  white-space: nowrap;
}

@media (max-width: 1024px) {
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .demo-grid { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--spacing-md); }
  .nav-container { padding: 0 var(--spacing-md); }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md) 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links li a { display: block; padding: var(--spacing-sm) var(--spacing-md); }
  .hero-band h1 { font-size: 28px; }
  h2 { font-size: 24px; }
  h3 { font-size: 20px; }
  .article-grid { grid-template-columns: 1fr; }
  .demo-grid { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr; padding: 0 var(--spacing-md); }
  .footer-bottom { padding: var(--spacing-lg) var(--spacing-md) 0; }
  .signature-coral-card { padding: var(--spacing-xl); }
  .signature-forest-card { padding: var(--spacing-xl); }
  .hero-card-dark { padding: var(--spacing-xl); }
  .contact-form { padding: var(--spacing-xl); }
  .cookie-banner { padding: var(--spacing-md); }
  .cookie-banner-inner { flex-direction: column; align-items: flex-start; }
  .section-band, .section-band-soft, .section-band-cream, .section-band-dark, .section-band-coral { padding: 64px 0; }
  .hero-band { padding: 64px 0; }
}