*, *::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;
  --on-primary: #ffffff;
  --ink: #26251e;
  --body: #5a5852;
  --body-strong: #26251e;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --success: #1f8a65;
  --error: #cf2d56;
  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-pill: 9999px;
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
}

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

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

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

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

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

ul {
  list-style: none;
}

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

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

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

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

.primary-nav li {
  position: relative;
}

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

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

.primary-nav .dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: 8px 0;
  min-width: 220px;
  flex-direction: column;
  gap: 0;
  z-index: 200;
}

.primary-nav .has-dropdown:hover .dropdown,
.primary-nav .has-dropdown:focus-within .dropdown {
  display: flex;
}

.primary-nav .dropdown li {
  padding: 0;
}

.primary-nav .dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--body);
  white-space: nowrap;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

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

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

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  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(--rounded-pill);
  padding: 4px 10px;
  margin-bottom: 20px;
}

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

.hero-subtitle {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--body);
  margin-bottom: 32px;
  max-width: 480px;
}

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

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

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

.section {
  padding: 80px 0;
}

.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;
  line-height: 1.2;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 16px;
}

.section-lead {
  font-size: 18px;
  color: var(--body);
  line-height: 1.5;
  max-width: 640px;
  margin-bottom: 48px;
}

.section-divider {
  border: none;
  border-top: 1px solid var(--hairline);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

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

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

.card-body {
  padding: 24px;
}

.card-tag {
  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(--rounded-pill);
  padding: 4px 10px;
  margin-bottom: 12px;
}

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

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

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

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

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.info-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: 28px 24px;
}

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

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

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

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

.contact-info-title {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin-bottom: 16px;
}

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

.contact-detail {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}

.contact-detail strong {
  color: var(--ink);
  font-weight: 600;
}

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

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

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

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

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

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  display: none;
  padding: 12px 16px;
  border-radius: var(--rounded-md);
  font-size: 14px;
  margin-top: 16px;
}

.form-message.success {
  background: #e8f5f0;
  color: var(--success);
  border: 1px solid #b8dfd1;
  display: block;
}

.form-message.loading {
  background: var(--canvas-soft);
  color: var(--muted);
  border: 1px solid var(--hairline);
  display: block;
}

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

.page-hero-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-hero-subtitle {
  font-size: 18px;
  color: var(--body);
  max-width: 600px;
}

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

.prose {
  max-width: 760px;
}

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

.prose h3 {
  font-size: 20px;
  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: 18px;
}

.prose ul,
.prose ol {
  padding-left: 20px;
  margin-bottom: 18px;
}

.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);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.prose a:hover {
  color: var(--primary-active);
  border-color: var(--primary-active);
}

.prose strong {
  font-weight: 600;
  color: var(--ink);
}

.article-hero {
  padding: 64px 0 0;
}

.article-hero-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
}

.article-breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

.article-breadcrumb a {
  color: var(--muted);
  transition: color 0.15s;
}

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

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

.article-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 16px;
  line-height: 1.2;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.article-meta-dot {
  width: 3px;
  height: 3px;
  background: var(--muted);
  border-radius: 50%;
}

.article-image-wrap {
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  position: sticky;
  top: 80px;
}

.article-image-wrap img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.article-image-caption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--hairline);
  background: var(--canvas-soft);
}

.article-content {
  padding: 48px 0 80px;
}

.article-body {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
}

.article-sidebar {
  position: sticky;
  top: 80px;
}

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

.sidebar-card-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.sidebar-links li {
  margin-bottom: 8px;
}

.sidebar-links a {
  font-size: 14px;
  color: var(--body);
  border-bottom: 1px solid transparent;
  transition: all 0.15s;
}

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

.sidebar-ref-item {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
  line-height: 1.4;
}

.sidebar-ref-item a {
  color: var(--primary);
}

.sidebar-ref-item a:hover {
  color: var(--primary-active);
}

.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: 40px;
  padding-bottom: 48px;
}

.footer-brand {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

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

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 8px;
}

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

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

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

.footer-bottom p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 4px;
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: var(--canvas);
  padding: 20px 24px;
  z-index: 1000;
  display: none;
}

.cookie-banner.active {
  display: block;
}

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

.cookie-text {
  flex: 1;
  min-width: 280px;
  font-size: 14px;
  line-height: 1.5;
  color: #c8c5bc;
}

.cookie-text a {
  color: var(--canvas);
  border-bottom: 1px solid rgba(247,247,244,0.4);
}

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

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

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

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

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

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 40px;
  }
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .article-hero-inner {
    grid-template-columns: 1fr;
  }
  .article-image-wrap {
    position: static;
  }
  .article-body {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .primary-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px 24px;
    z-index: 99;
  }
  .primary-nav.open {
    display: block;
  }
  .primary-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .primary-nav .dropdown {
    position: static;
    display: none;
    padding: 0 0 0 16px;
    border: none;
    border-radius: 0;
    min-width: auto;
    border-left: 2px solid var(--hairline);
  }
  .primary-nav .has-dropdown.open .dropdown {
    display: flex;
  }
  .primary-nav a {
    padding: 8px 0;
    display: block;
  }
  .hero-title {
    font-size: 32px;
  }
  .section-title {
    font-size: 26px;
  }
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .info-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero-section {
    padding: 48px 0;
  }
  .section {
    padding: 48px 0;
  }
  .article-title {
    font-size: 26px;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 28px;
    letter-spacing: -0.5px;
  }
  .hero-image-wrap img {
    height: 240px;
  }
}