: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-info-border: #458fff;
  --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;
  --rounded-full: 50%;
  --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-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
}

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

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

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

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

@media (max-width: 767px) {
  .container { padding: 0 var(--spacing-md); }
}

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

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

.nav-brand {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.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-ink);
  text-decoration: none;
}

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

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--color-primary);
  color: var(--color-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;
  transition: background 0.15s;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: var(--color-canvas);
  color: var(--color-ink);
  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;
  text-decoration: none;
  transition: border-color 0.15s;
}

.btn-secondary:hover { border-color: var(--color-ink); color: var(--color-ink); }

.btn-secondary-on-dark {
  display: inline-flex;
  align-items: center;
  background: var(--color-canvas);
  color: var(--color-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;
}

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

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

@media (max-width: 767px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-canvas);
    padding: var(--spacing-xl);
    gap: var(--spacing-xl);
    z-index: 99;
    align-items: flex-start;
  }
  .nav-links.open a { font-size: 20px; }
}

/* HERO BAND */
.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-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.16px;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
}

.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: 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);
  flex-wrap: wrap;
}

.hero-image {
  border-radius: var(--rounded-md);
  overflow: hidden;
  aspect-ratio: 4/3;
}

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

@media (max-width: 767px) {
  .hero-band .container { grid-template-columns: 1fr; }
  .hero-h1 { font-size: 28px; }
  .hero-image { order: -1; }
}

/* SIGNATURE CORAL CARD */
.signature-coral-card {
  background: var(--color-signature-coral);
  color: var(--color-on-primary);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  margin: 0 auto;
}

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

.signature-coral-card p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

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

.section-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.16px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
}

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

.section-sub {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-body);
  max-width: 560px;
  margin-bottom: var(--spacing-xxl);
}

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

@media (max-width: 1023px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .card-grid { grid-template-columns: 1fr; }
}

.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;
}

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

.article-card-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.16px;
  text-transform: uppercase;
  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-title a {
  color: var(--color-ink);
  text-decoration: none;
}

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

.article-card-meta {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-muted);
  margin-bottom: var(--spacing-sm);
}

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

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

@media (max-width: 1023px) {
  .demo-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .demo-grid { grid-template-columns: 1fr; }
}

.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-yellow { background: var(--color-signature-yellow); }
.demo-card-mustard { background: var(--color-signature-mustard); }
.demo-card-forest { background: var(--color-signature-forest); color: var(--color-on-primary); }

.demo-card-icon {
  font-size: 28px;
  margin-bottom: var(--spacing-sm);
}

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

.demo-card-forest .demo-card-title { color: var(--color-on-primary); }

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

.demo-card-forest .demo-card-text { color: rgba(255,255,255,0.85); }

/* SIGNATURE DARK / SURFACE DARK */
.surface-dark-band {
  background: var(--color-surface-dark);
  color: var(--color-on-primary);
  padding: var(--spacing-section) 0;
}

.surface-dark-band h2 {
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.surface-dark-band p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  opacity: 0.85;
  max-width: 600px;
  margin-bottom: var(--spacing-xl);
}

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

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

.cream-callout h2 {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.35;
  color: var(--color-ink);
  margin-bottom: var(--spacing-sm);
}

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

/* CTA BAND LIGHT */
.cta-band-light {
  background: var(--color-surface-strong);
  padding: var(--spacing-section) 0;
}

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

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

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

/* CONTACT FORM */
.form-section {
  padding: var(--spacing-section) 0;
}

.contact-form {
  max-width: 560px;
}

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

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

.form-group input, .form-group textarea {
  width: 100%;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 400;
  font-family: var(--font-main);
  padding: 12px 16px;
  border-radius: var(--rounded-sm);
  border: 1px solid var(--color-hairline);
  height: 44px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group textarea {
  height: auto;
  min-height: 100px;
  resize: vertical;
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--color-info-border);
}

/* FOOTER */
.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-xxl);
  margin-bottom: var(--spacing-xxl);
}

@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-sm);
}

.footer-brand-desc {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-muted);
  line-height: 1.25;
  margin-bottom: var(--spacing-md);
}

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

.footer-col-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-col-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-muted);
  text-decoration: none;
}

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

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

.footer-bottom-text {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-muted);
}

/* ARTICLE PAGE */
.article-header {
  padding: var(--spacing-section) 0 var(--spacing-xxl);
  background: var(--color-canvas);
}

.article-header .article-tag {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.16px;
  margin-bottom: var(--spacing-md);
}

.article-header h1 {
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
  max-width: 780px;
}

.article-header .article-meta {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-muted);
}

.article-hero-img {
  margin-bottom: var(--spacing-section);
  border-radius: var(--rounded-md);
  overflow: hidden;
  aspect-ratio: 16/9;
}

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

.article-body {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--spacing-xxl);
  padding-bottom: var(--spacing-section);
}

@media (max-width: 1023px) {
  .article-body { grid-template-columns: 1fr; }
}

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

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

.article-content p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-body);
  margin-bottom: var(--spacing-md);
}

.article-content ul, .article-content ol {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.article-content li {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-body);
  margin-bottom: var(--spacing-xs);
}

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

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

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

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

.sidebar-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

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

/* INNER PAGE */
.page-header {
  padding: var(--spacing-section) 0 var(--spacing-xxl);
  background: var(--color-canvas);
}

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

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

.page-content {
  padding-bottom: var(--spacing-section);
}

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

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

.page-content p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-body);
  margin-bottom: var(--spacing-md);
}

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

.page-content li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-body);
  margin-bottom: var(--spacing-xs);
}

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface-dark);
  color: var(--color-on-primary);
  padding: var(--spacing-lg) var(--spacing-xxl);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.cookie-banner p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: rgba(255,255,255,0.85);
  flex: 1;
  min-width: 200px;
}

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

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

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

.btn-cookie-reject {
  background: transparent;
  color: rgba(255,255,255,0.7);
  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;
}

.hidden { display: none !important; }

/* DISCLAIMER */
.disclaimer-band {
  background: var(--color-surface-soft);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-hairline);
}

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

/* UTILITIES */
.text-center { text-align: center; }
.mb-section { margin-bottom: var(--spacing-section); }
.mb-xxl { margin-bottom: var(--spacing-xxl); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-md { margin-bottom: var(--spacing-md); }