@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400&display=swap');

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

:root {
  --canvas: #f7f7f4;
  --canvas-soft: #fafaf7;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --primary: #f54e00;
  --primary-active: #d04200;
  --ink: #26251e;
  --body: #5a5852;
  --body-strong: #26251e;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --on-primary: #ffffff;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --success: #1f8a65;
  --error: #cf2d56;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--canvas);
  color: var(--body);
  font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.3px;
}
.nav-logo span { color: var(--primary); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.hero-band {
  padding: 80px 24px;
  background: var(--canvas);
  text-align: center;
}
.hero-band h1 {
  font-size: 56px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--ink);
  max-width: 800px;
  margin: 0 auto 20px;
}
.hero-band p {
  font-size: 18px;
  color: var(--body);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.6;
}
.hero-meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}

.badge-pill {
  display: inline-block;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  margin-bottom: 20px;
}

.hero-image {
  margin: 48px auto 0;
  max-width: 860px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.hero-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.section {
  padding: 80px 24px;
}
.section-alt {
  background: var(--canvas-soft);
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.section-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 16px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 48px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 15px;
  color: var(--body);
  line-height: 1.6;
}

.article-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.15s;
}
.article-card:hover { border-color: var(--hairline-strong); }
.article-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.article-card-body {
  padding: 20px;
}
.article-card-body .badge-pill { margin-bottom: 10px; }
.article-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.35;
}
.article-card-body p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.55;
  margin-bottom: 16px;
}
.article-card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}
.article-card-link:hover { color: var(--primary-active); }

.article-meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

.article-page {
  padding: 60px 24px 80px;
}
.article-page-inner {
  max-width: 740px;
  margin: 0 auto;
}
.article-page h1 {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.8px;
  color: var(--ink);
  line-height: 1.15;
  margin-bottom: 16px;
}
.article-page .article-meta { margin-bottom: 32px; }
.article-page .article-cover {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
  border: 1px solid var(--hairline);
}
.article-page .article-cover img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin-top: 40px;
  margin-bottom: 14px;
  line-height: 1.25;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 28px;
  margin-bottom: 10px;
}
.article-body p {
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 18px;
}
.article-body ul, .article-body ol {
  padding-left: 22px;
  margin-bottom: 18px;
}
.article-body li {
  color: var(--body);
  line-height: 1.65;
  margin-bottom: 6px;
}
.article-body a { color: var(--primary); }
.article-body a:hover { color: var(--primary-active); }

.info-box {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin: 28px 0;
}
.info-box p {
  font-size: 15px;
  color: var(--body-strong);
  margin: 0;
}

.related-articles {
  border-top: 1px solid var(--hairline);
  margin-top: 60px;
  padding-top: 40px;
}
.related-articles h3 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin-bottom: 24px;
}

.contact-section {
  max-width: 640px;
  margin: 0 auto;
  padding: 80px 24px;
}
.contact-section h2 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 12px;
}
.contact-section p {
  color: var(--body);
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 20px;
}
.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(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  height: 44px;
  transition: border-color 0.15s;
}
.form-group textarea {
  height: auto;
  min-height: 120px;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--ink);
}

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
  line-height: 20px;
}
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }
.btn-primary:active { background: var(--primary-active); }

.form-message {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
}
.form-message.success {
  background: #e6f4ef;
  color: var(--success);
  border: 1px solid #b3ddd0;
}

.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}
.page-content h1 {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.8px;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.15;
}
.page-content .page-updated {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 40px;
}
.page-content h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 36px;
  margin-bottom: 12px;
}
.page-content p {
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 16px;
}
.page-content ul {
  padding-left: 22px;
  margin-bottom: 16px;
}
.page-content li {
  color: var(--body);
  line-height: 1.65;
  margin-bottom: 6px;
}
.page-content a { color: var(--primary); }

.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 24px 48px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}
.footer-brand span { color: var(--primary); }
.footer-tagline {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  max-width: 260px;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  font-size: 14px;
  color: var(--body);
}
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--hairline-soft);
}
.footer-bottom p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.footer-disclaimer { margin-top: 4px; }

.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: var(--canvas);
  padding: 16px 24px;
  z-index: 200;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cookie-banner p {
  font-size: 14px;
  color: #d0cfc9;
  flex: 1;
  min-width: 200px;
}
.cookie-banner a { color: var(--canvas); text-decoration: underline; }
.cookie-actions {
  display: flex;
  gap: 10px;
}
.btn-cookie-accept {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}
.btn-cookie-accept:hover { background: var(--primary-active); }
.btn-cookie-reject {
  background: transparent;
  color: var(--canvas);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}
.btn-cookie-reject:hover { border-color: rgba(255,255,255,0.5); }

.breadcrumb {
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
  font-size: 13px;
  color: var(--muted);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { margin: 0 6px; }

@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero-band h1 { font-size: 44px; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .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: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li a {
    display: block;
    padding: 12px 24px;
    border-bottom: 1px solid var(--hairline-soft);
  }
  .site-nav { position: relative; }
  .hero-band h1 { font-size: 32px; letter-spacing: -0.8px; }
  .hero-band p { font-size: 16px; }
  .section-title { font-size: 28px; }
  .article-page h1 { font-size: 30px; }
}

@media (max-width: 640px) {
  .cards-grid, .cards-grid-2 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .hero-image img { height: 220px; }
  .article-page .article-cover img { height: 220px; }
}