@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Inter+Display:wght@400;475;500&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-surface-dark-elevated: #1d1f25;
  --color-hairline: #dddddd;
  --color-ink: #181d26;
  --color-body: #333840;
  --color-muted: #41454d;
  --color-on-primary: #ffffff;
  --color-link: #1b61c9;
  --color-link-active: #1a3866;
  --color-signature-coral: #aa2d00;
  --color-signature-forest: #0a2e0e;
  --color-signature-cream: #f5e9d4;
  --color-signature-peach: #fcab79;
  --color-signature-mint: #a8d8c4;
  --color-signature-yellow: #f4d35e;
  --color-signature-mustard: #d9a441;
  --rounded-xs: 2px;
  --rounded-sm: 6px;
  --rounded-md: 10px;
  --rounded-lg: 12px;
  --rounded-pill: 9999px;
  --spacing-xxs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-section: 96px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter Display', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-body);
  background: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
}

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

a:active {
  color: var(--color-link-active);
}

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

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

/* TOP 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;
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -0.3px;
  line-height: 1.4;
  text-decoration: none;
}

.nav-logo span {
  color: var(--color-signature-coral);
}

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

.nav-menu a {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-ink);
  text-decoration: none;
  line-height: 1.25;
}

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

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-body);
  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;
  text-decoration: none;
}

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

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

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
}

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

.hero-band .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

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

.hero-content p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-body);
  margin-bottom: var(--spacing-xl);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
}

.hero-image {
  border-radius: var(--rounded-md);
  overflow: hidden;
  aspect-ratio: 16/10;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* SECTION RHYTHM */
.section-band {
  padding: var(--spacing-section) 0;
}

.section-band--soft {
  background: var(--color-surface-soft);
}

.section-band--cream {
  background: var(--color-signature-cream);
}

.section-band--dark {
  background: var(--color-surface-dark);
  color: var(--color-on-primary);
}

.section-band--coral {
  background: var(--color-signature-coral);
  color: var(--color-on-primary);
}

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

.section-band--dark .section-title,
.section-band--coral .section-title {
  color: var(--color-on-primary);
}

.section-subtitle {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-body);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.section-band--dark .section-subtitle,
.section-band--coral .section-subtitle {
  color: rgba(255,255,255,0.8);
}

/* ARTICLE GRID */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.article-card {
  background: var(--color-canvas);
  border-radius: var(--rounded-md);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
}

.article-card__thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.article-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.article-card:active .article-card__thumb img {
  transform: scale(1.03);
}

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

.article-card__tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.8px;
  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);
  text-decoration: none;
  display: block;
}

.article-card__meta {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.16px;
  color: var(--color-muted);
}

/* DEMO GRID CARDS */
.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);
  overflow: hidden;
}

.demo-card--peach { background: var(--color-signature-peach); }
.demo-card--mint { background: var(--color-signature-mint); }
.demo-card--yellow { background: var(--color-signature-yellow); }
.demo-card--mustard { background: var(--color-signature-mustard); }
.demo-card--cream { background: var(--color-signature-cream); }
.demo-card--soft { background: var(--color-surface-soft); }

.demo-card__label {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}

.demo-card__text {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-body);
}

.demo-card__img {
  margin-top: var(--spacing-md);
  border-radius: var(--rounded-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.demo-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

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

.sig-coral-card p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: var(--spacing-xl);
  opacity: 0.85;
  max-width: 520px;
}

/* SIGNATURE FOREST CARD */
.sig-forest-card {
  background: var(--color-signature-forest);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  color: var(--color-on-primary);
}

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

.sig-forest-card p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: var(--spacing-xl);
  opacity: 0.85;
  max-width: 520px;
}

/* HERO CARD DARK */
.hero-card-dark {
  background: var(--color-surface-dark);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  color: var(--color-on-primary);
}

.hero-card-dark h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.hero-card-dark p {
  font-size: 14px;
  line-height: 1.25;
  opacity: 0.8;
  margin-bottom: var(--spacing-xl);
  max-width: 520px;
}

/* CTA BAND LIGHT */
.cta-band-light {
  background: var(--color-surface-strong);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  text-align: center;
}

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

.cta-band-light p {
  font-size: 14px;
  color: var(--color-body);
  margin-bottom: var(--spacing-xl);
}

/* CONTACT FORM */
.contact-form {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  max-width: 560px;
}

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

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

.form-row input,
.form-row textarea {
  width: 100%;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  padding: 12px 16px;
  height: 44px;
  outline: none;
}

.form-row textarea {
  height: 120px;
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: #458fff;
}

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

.article-header {
  margin-bottom: var(--spacing-xl);
}

.article-header .tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-sm);
}

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

.article-header .meta {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.16px;
  color: var(--color-muted);
}

.article-featured-img {
  border-radius: var(--rounded-md);
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
  aspect-ratio: 16/7;
}

.article-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-body {
  max-width: 720px;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.12px;
  color: var(--color-ink);
  margin: var(--spacing-xxl) 0 var(--spacing-md);
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-ink);
  margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.article-body p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  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: 14px;
  line-height: 1.25;
  color: var(--color-body);
  margin-bottom: var(--spacing-xs);
}

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

.article-body .img-caption {
  margin: var(--spacing-xl) 0;
}

.article-body .img-caption img {
  border-radius: var(--rounded-md);
  width: 100%;
}

.article-body .img-caption figcaption {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: var(--spacing-xs);
  text-align: center;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--spacing-xxl);
  align-items: start;
}

.article-sidebar {
  position: sticky;
  top: 80px;
}

.sidebar-card {
  background: var(--color-surface-soft);
  border-radius: var(--rounded-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.sidebar-card h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}

.sidebar-card ul {
  list-style: none;
  padding: 0;
}

.sidebar-card ul li {
  border-top: 1px solid var(--color-hairline);
  padding: var(--spacing-sm) 0;
}

.sidebar-card ul li:first-child {
  border-top: none;
  padding-top: 0;
}

.sidebar-card ul li a {
  font-size: 14px;
  color: var(--color-link);
  line-height: 1.25;
}

/* 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-md);
  margin-bottom: var(--spacing-xl);
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.25;
  margin-top: var(--spacing-md);
  max-width: 280px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.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-bottom {
  border-top: 1px solid var(--color-hairline);
  padding-top: var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

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

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

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

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--color-surface-dark);
  color: var(--color-on-primary);
  padding: var(--spacing-xl) var(--spacing-xxl);
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.cookie-banner p {
  flex: 1;
  font-size: 14px;
  line-height: 1.25;
  color: rgba(255,255,255,0.85);
  min-width: 240px;
}

.cookie-banner a {
  color: rgba(255,255,255,0.7);
  text-decoration: underline;
}

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

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

.btn-legal-reject {
  background: transparent;
  color: rgba(255,255,255,0.7);
  font-family: var(--font-body);
  font-size: 13.12px;
  font-weight: 600;
  padding: 12px 10px;
  border-radius: var(--rounded-xs);
  border: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
}

/* PAGE HERO DARK - articles page */
.page-hero-dark {
  background: var(--color-surface-dark-elevated);
  padding: var(--spacing-section) 0;
  position: relative;
  overflow: hidden;
}

.page-hero-dark::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(170,45,0,0.15) 0px,
    rgba(170,45,0,0.15) 30px,
    rgba(10,46,14,0.15) 30px,
    rgba(10,46,14,0.15) 90px,
    rgba(244,211,94,0.1) 90px,
    rgba(244,211,94,0.1) 130px,
    rgba(168,216,196,0.1) 130px,
    rgba(168,216,196,0.1) 190px,
    rgba(252,171,121,0.12) 190px,
    rgba(252,171,121,0.12) 240px,
    transparent 240px,
    transparent 320px
  );
}

.page-hero-dark .container {
  position: relative;
  z-index: 1;
}

.page-hero-dark h1 {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--color-on-primary);
  margin-bottom: var(--spacing-md);
}

.page-hero-dark p {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  max-width: 540px;
}

/* PROSE PAGES (about, privacy, terms) */
.prose-page {
  padding: var(--spacing-section) 0;
  max-width: 720px;
}

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

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

.prose-page h3 {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-ink);
  margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.prose-page p {
  font-size: 14px;
  line-height: 1.25;
  color: var(--color-body);
  margin-bottom: var(--spacing-md);
}

.prose-page ul, .prose-page ol {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.prose-page li {
  font-size: 14px;
  line-height: 1.25;
  color: var(--color-body);
  margin-bottom: var(--spacing-xs);
}

.prose-page a {
  color: var(--color-link);
}

.prose-page .update-note {
  font-size: 14px;
  color: var(--color-muted);
  border-left: 3px solid var(--color-signature-coral);
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

/* BREADCRUMB */
.breadcrumb {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
  margin-bottom: var(--spacing-xl);
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb li {
  font-size: 14px;
  color: var(--color-muted);
}

.breadcrumb li + li::before {
  content: '/';
  margin-right: var(--spacing-xs);
  color: var(--color-hairline);
}

.breadcrumb li a {
  color: var(--color-muted);
}

/* DISCLAIMER */
.disclaimer-band {
  background: var(--color-signature-cream);
  padding: var(--spacing-xl) 0;
}

.disclaimer-band p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
  .article-grid {
    grid-template-columns: 1fr 1fr;
  }
  .demo-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  .nav-menu, .nav-actions {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-canvas);
    padding: var(--spacing-xl);
    z-index: 99;
    gap: var(--spacing-xl);
    align-items: flex-start;
  }
  .nav-menu.open + .nav-actions {
    display: none;
  }
  .hero-band .container {
    grid-template-columns: 1fr;
  }
  .hero-content h1 {
    font-size: 32px;
  }
  .article-grid {
    grid-template-columns: 1fr;
  }
  .demo-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .section-title {
    font-size: 24px;
  }
  .article-header h1 {
    font-size: 28px;
  }
  .page-hero-dark h1 {
    font-size: 32px;
  }
  .sig-coral-card h2, .sig-forest-card h2, .hero-card-dark h2 {
    font-size: 24px;
  }
  .cookie-banner {
    padding: var(--spacing-md);
  }
  .prose-page h1 {
    font-size: 28px;
  }
}