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

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

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

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;
  font-weight: 400;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
img { display: block; max-width: 100%; height: auto; }
address { font-style: normal; }
ul { list-style: none; }

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

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

.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.wordmark {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.wordmark span { color: var(--primary); }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.primary-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  line-height: 1.4;
  transition: color 0.15s;
}

.primary-nav a:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.hero {
  padding: 80px 0;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline-soft);
}

.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);
  padding: 4px 10px;
  border-radius: var(--r-pill);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 52px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.2px;
  color: var(--ink);
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  margin-bottom: 32px;
  max-width: 480px;
}

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

.hero-image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.section {
  padding: 80px 0;
}

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

.section-label {
  display: inline-block;
  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;
  line-height: 1.2;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 16px;
}

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

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px;
  transition: border-color 0.15s;
}

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

.card-img {
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--hairline-soft);
}

.card-img img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

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

.card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 10px;
}

.card p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--body);
  margin-bottom: 16px;
}

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

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

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.two-col-img {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}

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

.two-col-body h2 {
  font-size: 30px;
  font-weight: 400;
  letter-spacing: -0.4px;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 16px;
}

.two-col-body p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  margin-bottom: 16px;
}

.two-col-body p:last-child { margin-bottom: 0; }

.divider {
  width: 40px;
  height: 2px;
  background: var(--primary);
  margin: 0 0 20px;
}

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

.prose h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -0.9px;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 20px;
}

.prose h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  line-height: 1.25;
  color: var(--ink);
  margin-top: 48px;
  margin-bottom: 16px;
}

.prose h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 32px;
  margin-bottom: 12px;
}

.prose p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 20px;
}

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

.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }

.prose li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 6px;
}

.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--primary-active); }

.prose blockquote {
  border-left: 3px solid var(--primary);
  padding: 16px 20px;
  margin: 32px 0;
  background: var(--canvas-soft);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.prose blockquote p {
  font-size: 18px;
  color: var(--ink);
  font-style: italic;
  margin: 0;
}

.article-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline-soft);
  margin-bottom: 48px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.article-category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-strong);
  padding: 4px 10px;
  border-radius: var(--r-pill);
}

.article-date {
  font-size: 13px;
  color: var(--muted);
}

.article-hero-img {
  margin: 40px 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.article-hero-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.article-img-caption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
  text-align: center;
}

.info-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px;
  margin: 32px 0;
}

.info-box h4 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.info-box p, .info-box li {
  font-size: 15px;
  color: var(--body);
}

.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { color: var(--muted-soft); }

.contact-section {
  padding: 80px 0;
}

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

.contact-form {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 32px;
}

.contact-form h2 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin-bottom: 24px;
}

.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(--r-md);
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  height: 44px;
  transition: border-color 0.15s;
  outline: none;
}

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

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

.form-submit {
  display: inline-block;
  background: var(--ink);
  color: var(--canvas);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 20px;
  height: 44px;
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: opacity 0.15s;
  font-family: inherit;
}

.form-submit:hover { opacity: 0.85; }
.form-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.form-status {
  margin-top: 16px;
  font-size: 14px;
  display: none;
}

.form-status.success { color: var(--semantic-success); display: block; }
.form-status.error { color: var(--semantic-error); display: block; }

.contact-info h2 {
  font-size: 30px;
  font-weight: 400;
  letter-spacing: -0.4px;
  color: var(--ink);
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  margin-bottom: 24px;
}

.contact-detail {
  border-top: 1px solid var(--hairline);
  padding-top: 20px;
  margin-top: 20px;
}

.contact-detail dt {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.contact-detail dd {
  font-size: 15px;
  color: var(--body);
  margin-bottom: 16px;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: var(--canvas);
  padding: 20px 24px;
  z-index: 999;
  display: none;
}

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

.cookie-inner p {
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
  color: var(--canvas);
}

.cookie-inner a { color: var(--primary); text-decoration: underline; }

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.btn-cookie-accept {
  background: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}

.btn-cookie-accept:hover { background: var(--primary-active); }

.btn-cookie-reject {
  background: transparent;
  color: var(--canvas);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border: 1px solid rgba(247,247,244,0.3);
  border-radius: var(--r-md);
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s;
}

.btn-cookie-reject:hover { border-color: var(--canvas); }

.page-content {
  padding: 80px 0;
}

.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline-soft);
  margin-bottom: 48px;
}

.page-header h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -0.9px;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-header p {
  font-size: 16px;
  color: var(--body);
  max-width: 540px;
}

.updates-meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 40px;
}

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

.related-articles h3 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

.related-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

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

.related-card h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.4;
}

.related-card p {
  font-size: 13px;
  color: var(--muted);
}

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

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

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

.footer-tagline {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.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 li {
  margin-bottom: 10px;
}

.footer-col ul a {
  font-size: 14px;
  color: var(--body);
  transition: color 0.15s;
}

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

.footer-col address p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--body);
  margin-bottom: 8px;
}

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

.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

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

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  font-size: 13px;
  color: var(--muted);
  transition: color 0.15s;
}

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

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; }
  .hero-image { display: none; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .primary-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 20px 24px;
    gap: 0;
  }

  .primary-nav.open { display: flex; }

  .primary-nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--hairline-soft);
    width: 100%;
  }

  .nav-toggle { display: flex; }

  .two-col { grid-template-columns: 1fr; }
  .two-col-img { display: none; }
  .related-list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; letter-spacing: -0.5px; }
  .section-title { font-size: 26px; }
  .cards-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .prose h1 { font-size: 28px; }
  .prose h2 { font-size: 22px; }
  .article-hero-img img { height: 240px; }
}