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

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

:root {
  --canvas: #f5f1ec;
  --surface-1: #ffffff;
  --surface-2: #ede9e3;
  --ink: #111111;
  --ink-muted: #626260;
  --ink-subtle: #7b7b78;
  --ink-tertiary: #9c9fa5;
  --hairline: #d3cec6;
  --hairline-soft: #e0dbd3;
  --error: #c0392b;
  --success: #27ae60;
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-xxl: 24px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  background: var(--canvas);
  color: var(--ink);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.top-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 56px;
}
.top-nav .container {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}
.site-logo {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.2px;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-links a {
  font-size: 14px;
  color: var(--ink-muted);
  padding: 6px 10px;
  border-radius: var(--r-md);
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--ink); background: var(--surface-2); text-decoration: none; }
.nav-links a.active { color: var(--ink); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 8px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s;
}
.nav-mobile {
  display: none;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: 12px 24px;
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  font-size: 15px;
  color: var(--ink-muted);
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline-soft);
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--ink); text-decoration: none; }

.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 48px 0 32px;
  margin-top: 96px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand .site-logo { font-size: 15px; margin-bottom: 12px; }
.footer-brand p {
  font-size: 13px;
  color: var(--ink-subtle);
  line-height: 1.5;
  max-width: 240px;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 12px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--ink-subtle);
  padding: 3px 0;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--ink); text-decoration: none; }
.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 12px; color: var(--ink-tertiary); }
.footer-bottom-links { display: flex; gap: 16px; }
.footer-bottom-links a { font-size: 12px; color: var(--ink-tertiary); }
.footer-bottom-links a:hover { color: var(--ink-muted); text-decoration: none; }

.hero {
  padding: 72px 0 64px;
}
.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  letter-spacing: 0.2px;
  margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -1.4px;
  line-height: 1.10;
  max-width: 720px;
  margin-bottom: 20px;
}
.hero-lead {
  font-size: 18px;
  color: var(--ink-muted);
  line-height: 1.55;
  max-width: 580px;
  margin-bottom: 8px;
}
.hero-meta {
  font-size: 13px;
  color: var(--ink-subtle);
  margin-top: 12px;
}

.section { padding: 64px 0; }
.section-title {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin-bottom: 8px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--ink-muted);
  margin-bottom: 40px;
}
.section-eyebrow {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 12px;
}

.card {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.article-card {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.article-card:hover { border-color: var(--ink-muted); text-decoration: none; }
.article-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.article-card-body { padding: 20px 24px 24px; }
.article-card-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.article-card-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.3px;
  line-height: 1.3;
  margin-bottom: 10px;
}
.article-card-excerpt {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}
.article-card-meta {
  font-size: 12px;
  color: var(--ink-subtle);
}
.article-card-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}
.article-card-link:hover { text-decoration: underline; }

.btn {
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  padding: 10px 18px;
  border-radius: var(--r-md);
  border: none;
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.85; text-decoration: none; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-secondary {
  background: var(--surface-1);
  color: var(--ink);
  border: 1px solid var(--hairline);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.info-card {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px;
}
.info-card h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.2px;
  margin-bottom: 10px;
}
.info-card p { font-size: 14px; color: var(--ink-muted); line-height: 1.55; }

.article-hero { padding: 56px 0 40px; }
.article-hero-meta {
  font-size: 13px;
  color: var(--ink-subtle);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.article-hero-meta a { color: var(--ink-muted); }
.article-hero-meta a:hover { color: var(--ink); }
.article-hero h1 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -1.0px;
  line-height: 1.12;
  max-width: 780px;
  margin-bottom: 16px;
}
.article-hero-lead {
  font-size: 18px;
  color: var(--ink-muted);
  line-height: 1.55;
  max-width: 660px;
}
.article-hero-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--r-xl);
  border: 1px solid var(--hairline);
  margin-top: 40px;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  padding: 40px 0 80px;
  align-items: start;
}
.article-body h2 {
  font-size: 24px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin: 36px 0 14px;
}
.article-body h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.2px;
  margin: 24px 0 10px;
}
.article-body p {
  font-size: 16px;
  color: var(--ink);
  line-height: 1.65;
  margin-bottom: 16px;
}
.article-body ul, .article-body ol {
  list-style: none;
  margin: 0 0 16px 0;
  padding: 0;
}
.article-body ul li {
  font-size: 16px;
  color: var(--ink);
  line-height: 1.65;
  padding-left: 20px;
  position: relative;
  margin-bottom: 6px;
}
.article-body ul li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--ink-muted);
}
.article-body ol {
  counter-reset: ol-counter;
}
.article-body ol li {
  font-size: 16px;
  color: var(--ink);
  line-height: 1.65;
  padding-left: 28px;
  position: relative;
  margin-bottom: 8px;
  counter-increment: ol-counter;
}
.article-body ol li::before {
  content: counter(ol-counter) '.';
  position: absolute;
  left: 0;
  color: var(--ink-muted);
  font-weight: 500;
  font-size: 14px;
}
.article-body a { color: var(--ink); text-decoration: underline; }
.article-body a:hover { color: var(--ink-muted); }

.callout {
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  margin: 24px 0;
}
.callout strong {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}
.callout p { font-size: 14px; color: var(--ink-muted); margin: 0; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 20px 0;
}
.data-table th {
  background: var(--surface-2);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
}
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline-soft);
  color: var(--ink-muted);
  font-size: 14px;
}
.data-table tr:last-child td { border-bottom: none; }

.article-sidebar { position: sticky; top: 72px; }
.sidebar-card {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 20px;
  margin-bottom: 20px;
}
.sidebar-card h4 {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 12px;
}
.sidebar-card ul { list-style: none; }
.sidebar-card ul li { margin-bottom: 8px; }
.sidebar-card ul li a {
  font-size: 13px;
  color: var(--ink-muted);
}
.sidebar-card ul li a:hover { color: var(--ink); }
.sidebar-card p { font-size: 13px; color: var(--ink-muted); line-height: 1.5; }

.page-hero { padding: 56px 0 40px; }
.page-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin-bottom: 12px;
}
.page-hero p { font-size: 17px; color: var(--ink-muted); max-width: 560px; }

.page-content {
  max-width: 760px;
  padding-bottom: 80px;
}
.page-content h2 {
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.3px;
  margin: 36px 0 12px;
}
.page-content h3 {
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  margin: 20px 0 8px;
}
.page-content p {
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.65;
  margin-bottom: 14px;
}
.page-content ul {
  list-style: none;
  margin-bottom: 14px;
}
.page-content ul li {
  font-size: 15px;
  color: var(--ink-muted);
  padding-left: 18px;
  position: relative;
  margin-bottom: 5px;
  line-height: 1.6;
}
.page-content ul li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--ink-subtle);
}

.contact-section { padding: 64px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info h2 {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.contact-info p { font-size: 16px; color: var(--ink-muted); line-height: 1.6; margin-bottom: 20px; }
.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.contact-detail span { font-size: 14px; color: var(--ink-muted); }
.contact-detail strong { font-size: 14px; color: var(--ink); }

.contact-form-wrap {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  padding: 32px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}
.form-group input, .form-group textarea {
  width: 100%;
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.15s;
  outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--ink-muted); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--ink-tertiary); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-submit { width: 100%; }
#form-status {
  margin-top: 14px;
  font-size: 14px;
  color: var(--success);
  display: none;
}
#form-status.error { color: var(--error); }
.form-loading { opacity: 0.7; pointer-events: none; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-subtle);
  margin-bottom: 12px;
}
.breadcrumb a { color: var(--ink-muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { color: var(--ink-subtle); }

.divider {
  border: none;
  border-top: 1px solid var(--hairline-soft);
  margin: 48px 0;
}

.related-articles { padding: 48px 0 80px; }
.related-articles h2 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.3px;
  margin-bottom: 24px;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: #fff;
  padding: 16px 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cookie-banner p { font-size: 14px; color: #e0e0e0; flex: 1; min-width: 200px; line-height: 1.5; }
.cookie-banner p a { color: #fff; text-decoration: underline; }
.cookie-buttons { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-btn {
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--r-md);
  border: none;
  cursor: pointer;
}
.cookie-btn-accept { background: #fff; color: var(--ink); }
.cookie-btn-reject { background: transparent; color: #aaa; border: 1px solid #555; }
.cookie-btn-reject:hover { color: #fff; border-color: #aaa; }

@media (max-width: 1024px) {
  .card-grid, .info-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .card-grid, .info-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { letter-spacing: -0.8px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cookie-banner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 48px 0 40px; }
  .section { padding: 40px 0; }
  .article-hero { padding: 40px 0 28px; }
  .contact-form-wrap { padding: 20px; }
}