*, *::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;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --ink: #26251e;
  --body: #5a5852;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --on-primary: #ffffff;
  --success: #1f8a65;
  --error: #cf2d56;
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --section: 80px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;
}

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

body {
  font-family: var(--font-sans);
  background: var(--canvas);
  color: var(--body);
  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-header {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
}

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

.site-logo {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  flex-shrink: 0;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  align-items: center;
}

.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  transition: color 0.15s;
}

.main-nav 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: all 0.2s;
}

.hero {
  padding: var(--section) 0;
  border-bottom: 1px solid var(--hairline);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

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

.hero h1 {
  font-size: 48px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.2px;
  color: var(--ink);
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--body);
  margin-bottom: 32px;
  max-width: 480px;
}

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

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.hero-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.section { padding: var(--section) 0; }
.section + .section { border-top: 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;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 16px;
}

.section-lead {
  font-size: 16px;
  color: var(--body);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 48px;
}

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

.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: 24px;
}

.article-card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}

.article-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 10px;
}

.article-card-excerpt {
  font-size: 14px;
  color: var(--body);
  line-height: 1.55;
  margin-bottom: 16px;
}

.article-card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 1px;
}

.article-card-link:hover { color: var(--primary); border-color: var(--primary); }

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

.info-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.info-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.info-card p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.split-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.split-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.article-content { max-width: 760px; margin: 0 auto; }

.article-header {
  padding: var(--section) 0 40px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 48px;
}

.article-header h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -1px;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 16px;
}

.article-header .lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--body);
  margin-bottom: 20px;
}

.article-meta {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.article-meta span::before {
  content: '·';
  margin-right: 16px;
}

.article-meta span:first-child::before { content: none; }

.article-hero-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  margin-bottom: 48px;
}

.prose h2 {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.4px;
  color: var(--ink);
  margin: 48px 0 16px;
  line-height: 1.25;
}

.prose h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 32px 0 12px;
  line-height: 1.3;
}

.prose p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  margin-bottom: 20px;
}

.prose ul, .prose ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.prose li {
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  margin-bottom: 6px;
}

.prose a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); padding-bottom: 1px; }
.prose a:hover { color: var(--primary); border-color: var(--primary); }

.prose .callout {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--ink);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 32px 0;
}

.prose .callout p { margin-bottom: 0; font-size: 15px; }

.prose figure {
  margin: 40px 0;
}

.prose figure img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
}

.prose figcaption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.4;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--hairline-strong);
  background: var(--canvas-soft);
}

.data-table td {
  padding: 12px 16px;
  color: var(--body);
  border-bottom: 1px solid var(--hairline-soft);
  line-height: 1.5;
}

.data-table tr:last-child td { border-bottom: none; }

.related-articles {
  border-top: 1px solid var(--hairline);
  padding-top: 48px;
  margin-top: 64px;
}

.related-articles h2 {
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color 0.15s;
}

.related-card:hover { border-color: var(--hairline-strong); }

.related-card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.related-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}

.contact-section {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 640px;
  margin: 0 auto;
}

.contact-section h2 {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.4px;
  color: var(--ink);
  margin-bottom: 12px;
}

.contact-section p {
  font-size: 15px;
  color: var(--body);
  margin-bottom: 32px;
  line-height: 1.6;
}

.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: 15px;
  font-family: var(--font-sans);
  color: var(--ink);
  height: 44px;
  transition: border-color 0.15s;
  outline: none;
}

.form-group textarea {
  height: auto;
  resize: vertical;
  min-height: 120px;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted-soft);
}

.btn-submit {
  background: var(--ink);
  color: var(--canvas);
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  height: 44px;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-submit:hover { background: #3a3930; }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.form-message {
  display: none;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  margin-top: 16px;
}

.form-message.success {
  background: #ecf8f4;
  border: 1px solid #a3d4c4;
  color: var(--success);
  display: block;
}

.form-message.error-msg {
  background: #fdf0f3;
  border: 1px solid #f0b8c3;
  color: var(--error);
  display: block;
}

.page-header {
  padding: var(--section) 0 48px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 48px;
}

.page-header h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -1px;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-header p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
  max-width: 560px;
}

.page-content {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: var(--section);
}

.page-content h2 {
  font-size: 24px;
  font-weight: 400;
  color: var(--ink);
  margin: 40px 0 12px;
  letter-spacing: -0.3px;
}

.page-content p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--body);
  margin-bottom: 16px;
}

.page-content ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.page-content li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 4px;
}

.page-content a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.page-content a:hover { color: var(--primary); }

.page-updated {
  font-size: 13px;
  color: var(--muted);
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
}

.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  display: block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

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

.footer-col li { margin-bottom: 10px; }

.footer-col a {
  font-size: 14px;
  color: var(--body);
}

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

.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--ink); }

.footer-disclaimer {
  margin-top: 6px;
  font-style: italic;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: var(--canvas);
  padding: 16px 24px;
  z-index: 999;
  display: none;
}

.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-text {
  font-size: 14px;
  line-height: 1.5;
  color: #d4d3cc;
  flex: 1;
  min-width: 260px;
}

.cookie-text a {
  color: var(--canvas);
  border-bottom: 1px solid #807d72;
}

.cookie-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.btn-cookie {
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
  transition: opacity 0.15s;
}

.btn-cookie:hover { opacity: 0.85; }

.btn-cookie-accept {
  background: var(--canvas);
  color: var(--ink);
}

.btn-cookie-reject {
  background: transparent;
  color: var(--canvas);
  border: 1px solid #4a4940 !important;
}

@media (max-width: 1023px) {
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 38px; }
  .split-section { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 767px) {
  .nav-toggle { display: flex; }

  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px 24px;
  }

  .main-nav.open { display: block; }

  .main-nav ul {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
  }

  .main-nav a {
    display: block;
    padding: 10px 0;
    font-size: 15px;
  }

  .articles-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .related-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; letter-spacing: -0.6px; }
  .section-title { font-size: 26px; }
  .article-header h1 { font-size: 30px; letter-spacing: -0.5px; }
  .contact-section { padding: 32px 24px; }
  .cookie-inner { flex-direction: column; align-items: flex-start; }
}