@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

: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-border-strong: #9297a0;
  --color-on-primary: #ffffff;
  --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;
  --color-link: #1b61c9;
  --color-link-active: #1a3866;
  --color-info: #254fad;
  --color-info-border: #458fff;

  --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-family: '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 { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  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:active { color: var(--color-link-active); }

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

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

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

.nav-inner {
  display: flex;
  align-items: center;
  height: 64px;
  gap: var(--spacing-xl);
}

.nav-logo {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: 0;
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  margin-left: auto;
}

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

.nav-link--active {
  color: var(--color-ink);
  font-weight: 500;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  margin-left: auto;
  width: 40px;
  height: 40px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: 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;
  box-shadow: 0 1px 3px rgba(24,29,38,0.12), 0 0 0 1px rgba(24,29,38,0.06);
  min-height: 48px;
  white-space: nowrap;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: 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;
  min-height: 48px;
  white-space: nowrap;
}

.btn-secondary-on-dark {
  display: inline-flex;
  align-items: center;
  justify-content: 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;
  min-height: 48px;
  white-space: nowrap;
}

.btn-legal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-link);
  color: var(--color-on-primary);
  font-size: 13.12px;
  font-weight: 600;
  line-height: 1.2;
  padding: 12px 10px;
  border-radius: var(--rounded-xs);
  border: none;
  cursor: pointer;
  min-height: 44px;
}

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

.hero-inner {
  max-width: 680px;
}

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

.hero-band .hero-sub {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-body);
  margin-bottom: var(--spacing-xl);
  max-width: 540px;
}

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

.section {
  padding: var(--spacing-section) 0;
  background: var(--color-canvas);
}

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

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

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

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

.signature-coral-card p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.25;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--spacing-xl);
  max-width: 520px;
}

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

.signature-forest-card h3 {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.12px;
  color: var(--color-on-primary);
  margin-bottom: var(--spacing-md);
}

.signature-forest-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.80);
  margin-bottom: var(--spacing-lg);
}

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

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

.hero-card-dark p {
  font-size: 14px;
  color: rgba(255,255,255,0.80);
  margin-bottom: var(--spacing-xl);
  max-width: 520px;
}

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

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

.cream-band p {
  font-size: 14px;
  color: var(--color-body);
  margin-bottom: var(--spacing-xl);
  max-width: 540px;
}

.cta-band-light {
  background: var(--color-surface-strong);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  margin: 0 auto;
  max-width: 1280px;
  margin-bottom: var(--spacing-section);
}

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

.card-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }

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

.article-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.article-card__body {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card__tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  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);
}

.article-card__meta {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.16px;
  color: var(--color-muted);
  margin-top: auto;
  padding-top: var(--spacing-sm);
}

.article-card__read {
  display: inline-block;
  margin-top: var(--spacing-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
}

.demo-grid-card {
  border-radius: var(--rounded-md);
  padding: var(--spacing-md);
  overflow: hidden;
}

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

.demo-grid-card img {
  width: 100%;
  border-radius: var(--rounded-md);
  object-fit: cover;
  aspect-ratio: 4/3;
}

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

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

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

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

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

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

.article-page .lead {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-body);
  margin-bottom: var(--spacing-xl);
}

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

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

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

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

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

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

.article-page__hero-img {
  width: 100%;
  border-radius: var(--rounded-md);
  aspect-ratio: 16/9;
  object-fit: cover;
  margin-bottom: var(--spacing-xxl);
}

.article-page__img {
  width: 100%;
  border-radius: var(--rounded-md);
  margin: var(--spacing-xl) 0;
  object-fit: cover;
  aspect-ratio: 16/9;
}

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

.article-related h2 {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.12px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xl);
}

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

.contact-form {
  background: var(--color-surface-soft);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xl);
  max-width: 540px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

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

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

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

.form-submit {
  margin-top: var(--spacing-lg);
}

.breadcrumb {
  font-size: 14px;
  color: var(--color-muted);
  padding: var(--spacing-md) 0 0;
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--color-muted); }
.breadcrumb-sep { color: var(--color-border-strong); }

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

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

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

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

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

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

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

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

.page-inner { max-width: 760px; }

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

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-section);
}

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

.footer-tagline {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.footer-contact {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.75;
}

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

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

.footer-link {
  display: block;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xs);
  line-height: 1.25;
}

.footer-bottom {
  border-top: 1px solid var(--color-hairline);
  padding: var(--spacing-lg) 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--color-muted);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.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-md) 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.cookie-inner {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255,255,255,0.85);
  min-width: 240px;
}

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

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

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

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

.articles-index .section-sub {
  margin-bottom: var(--spacing-xxl);
}

@media (max-width: 1024px) {
  .card-grid--3 { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--spacing-md); }

  .nav-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--color-canvas);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: var(--spacing-xxl);
    gap: var(--spacing-xl);
    z-index: 99;
    margin-left: 0;
  }

  .nav-menu.is-open { display: flex; }

  .nav-hamburger { display: flex; }

  .card-grid--3,
  .card-grid--2 { grid-template-columns: 1fr; }

  .hero-band h1 { font-size: 32px; }

  .section-heading { font-size: 24px; }

  .signature-coral-card h2 { font-size: 24px; }

  .footer-inner { grid-template-columns: 1fr; }

  .cta-band-light h2 { font-size: 24px; }

  .article-page h1 { font-size: 32px; }

  .page-content h1 { font-size: 32px; }

  .cookie-inner { flex-direction: column; align-items: flex-start; }
}