:root {
  --canvas: #f7f7f4;
  --canvas-soft: #fafaf7;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --ink: #26251e;
  --body: #5a5852;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --primary: #f54e00;
  --primary-active: #d04200;
  --on-primary: #ffffff;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --success: #1f8a65;
  --error: #cf2d56;
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
  background-color: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
}

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

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

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

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

.logo-cedar {
  color: var(--ink);
}

.logo-stone {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  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-color: var(--ink);
  border-radius: 2px;
  transition: all 0.2s;
}

.hero-band {
  padding: 80px 0;
  background-color: var(--canvas);
}

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

.hero-badge {
  display: inline-block;
  background-color: var(--surface-strong);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 9999px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 52px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--ink);
  margin-bottom: 20px;
}

.hero-title em {
  font-style: normal;
  color: var(--primary);
}

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

.hero-image {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--hairline);
}

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

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--canvas-soft);
}

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

.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: 600px;
  margin-bottom: 48px;
}

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

.card {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.15s;
}

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

.card-image {
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--hairline-soft);
}

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

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

.card-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 12px;
}

.card-title a {
  color: var(--ink);
}

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

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

.card-meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline-soft);
}

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

.article-card {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.15s;
}

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

.article-card-image {
  overflow: hidden;
}

.article-card-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s;
}

.article-card:hover .article-card-image img {
  transform: scale(1.02);
}

.article-card-body {
  padding: 20px 24px 24px;
}

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

.article-card-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 12px;
}

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

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

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

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

.feature-card {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  background-color: var(--surface-strong);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 20px;
}

.feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.feature-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--body);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  background-color: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s;
  text-decoration: none;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  background-color: var(--surface-card);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--hairline-strong);
  cursor: pointer;
  transition: border-color 0.15s;
  text-decoration: none;
}

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

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

.article-breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}

.article-breadcrumb a {
  color: var(--muted);
}

.article-breadcrumb a:hover {
  color: var(--ink);
}

.article-breadcrumb span {
  margin: 0 6px;
}

.article-meta-row {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.article-title {
  font-size: 42px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 20px;
  max-width: 760px;
}

.article-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--body);
  max-width: 680px;
  margin-bottom: 32px;
}

.article-main-image {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  margin-top: 40px;
}

.article-main-image img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.article-caption {
  font-size: 13px;
  color: var(--muted);
  padding: 10px 16px;
  background-color: var(--canvas-soft);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  padding: 64px 0;
}

.article-content {
  max-width: 680px;
}

.article-content h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin: 40px 0 16px;
  line-height: 1.25;
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 12px;
}

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

.article-content ul,
.article-content ol {
  padding-left: 20px;
  margin-bottom: 20px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

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

.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content blockquote {
  border-left: 3px solid var(--primary);
  padding: 16px 20px;
  margin: 28px 0;
  background-color: var(--canvas-soft);
  border-radius: 0 8px 8px 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
}

.article-content .info-box {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 28px 0;
}

.article-content .info-box p {
  margin-bottom: 0;
  font-size: 14px;
}

.article-content figure {
  margin: 32px 0;
}

.article-content figure img {
  border-radius: 8px;
  border: 1px solid var(--hairline);
}

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

.article-sidebar {
  position: sticky;
  top: 88px;
  align-self: start;
}

.sidebar-widget {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

.sidebar-widget-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline-soft);
}

.sidebar-toc {
  list-style: none;
  padding: 0;
}

.sidebar-toc li {
  margin-bottom: 10px;
}

.sidebar-toc a {
  font-size: 14px;
  color: var(--body);
  line-height: 1.4;
}

.sidebar-toc a:hover {
  color: var(--ink);
}

.sidebar-links {
  list-style: none;
  padding: 0;
}

.sidebar-links li {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline-soft);
}

.sidebar-links li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.sidebar-links a {
  font-size: 14px;
  color: var(--body);
  line-height: 1.4;
}

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

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

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

.page-lead {
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  max-width: 600px;
}

.page-content {
  padding: 64px 0;
  max-width: 720px;
}

.page-content h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin: 40px 0 16px;
}

.page-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 12px;
}

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

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

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

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

.page-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-section {
  padding: 64px 0;
  border-top: 1px solid var(--hairline);
}

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

.contact-form {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 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-color: var(--surface-card);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 12px 16px;
  height: 44px;
  outline: none;
  transition: border-color 0.15s;
}

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

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

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

.form-message {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-top: 16px;
  display: none;
}

.form-message.success {
  background-color: #e8f5f0;
  color: var(--success);
  border: 1px solid #b3ddd0;
}

.form-spinner {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--hairline);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.cta-band {
  padding: 80px 0;
  background-color: var(--canvas);
  text-align: center;
  border-top: 1px solid var(--hairline);
}

.cta-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 20px;
}

.cta-subtitle {
  font-size: 16px;
  color: var(--body);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

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

.footer-grid {
  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: 12px;
}

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

.footer-heading {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.footer-links {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  font-size: 14px;
  color: var(--body);
  line-height: 1.4;
}

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

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

.footer-bottom p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 6px;
}

.footer-disclaimer {
  font-size: 12px !important;
  color: var(--muted-soft) !important;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--ink);
  z-index: 999;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

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

.schema-info {
  display: none;
}

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

  .hero-title {
    font-size: 40px;
  }

  .cards-grid,
  .articles-grid,
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .article-sidebar {
    position: static;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    gap: 16px;
  }

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

  .hero-band {
    padding: 48px 0;
  }

  .hero-title {
    font-size: 32px;
    letter-spacing: -0.5px;
  }

  .section-title {
    font-size: 28px;
  }

  .article-title {
    font-size: 30px;
    letter-spacing: -0.5px;
  }

  .page-title {
    font-size: 30px;
  }

  .cards-grid,
  .articles-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

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

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

  .cta-title {
    font-size: 26px;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 28px;
  }

  .container {
    padding: 0 16px;
  }
}