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

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

:root {
  --canvas: #f5f1ec;
  --surface-1: #ffffff;
  --surface-2: #ede9e3;
  --hairline: #d3cec6;
  --ink: #111111;
  --ink-muted: #626260;
  --ink-subtle: #7b7b78;
  --ink-tertiary: #9c9fa5;
  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--canvas);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--ink); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 56px; display: flex; align-items: center;
}
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  width: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { font-size: 17px; font-weight: 500; color: var(--ink); letter-spacing: -0.3px; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { font-size: 14px; font-weight: 400; color: var(--ink-muted); transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; color: var(--ink); }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; }
.nav-mobile { display: none; position: absolute; top: 56px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 16px 24px; }
.nav-mobile.open { display: block; }
.nav-mobile ul { list-style: none; }
.nav-mobile ul li { padding: 10px 0; border-bottom: 1px solid var(--hairline); }
.nav-mobile ul li:last-child { border-bottom: none; }
.nav-mobile a { font-size: 15px; color: var(--ink); }

.hero { padding: 96px 0; text-align: center; }
.hero-eyebrow { font-size: 14px; font-weight: 500; color: var(--ink-muted); margin-bottom: 16px; }
.hero h1 { font-size: 56px; font-weight: 500; line-height: 1.1; letter-spacing: -1.4px; color: var(--ink); margin-bottom: 20px; max-width: 800px; margin-left: auto; margin-right: auto; }
.hero-sub { font-size: 18px; color: var(--ink-muted); line-height: 1.5; max-width: 600px; margin: 0 auto 40px; }
.hero-img-wrap { margin: 48px auto 0; max-width: 960px; border-radius: var(--rounded-xl); overflow: hidden; border: 1px solid var(--hairline); background: var(--surface-1); }
.hero-img-wrap img { width: 100%; height: 480px; object-fit: cover; }

.section { padding: 96px 0; }
.section-alt { background: var(--surface-1); }
.section-title { font-size: 40px; font-weight: 500; letter-spacing: -0.8px; color: var(--ink); margin-bottom: 16px; }
.section-lead { font-size: 18px; color: var(--ink-muted); line-height: 1.5; max-width: 640px; margin-bottom: 48px; }
.section-header { margin-bottom: 48px; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: var(--surface-1); border: 1px solid var(--hairline); border-radius: var(--rounded-lg); overflow: hidden; }
.card-img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--rounded-xl) var(--rounded-xl) 0 0; }
.card-body { padding: 24px; }
.card-title { font-size: 18px; font-weight: 500; color: var(--ink); margin-bottom: 10px; letter-spacing: -0.3px; }
.card-text { font-size: 14px; color: var(--ink-muted); line-height: 1.5; margin-bottom: 16px; }
.card-link { font-size: 14px; font-weight: 500; color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 2px; }
.card-link:hover { text-decoration: none; opacity: 0.7; }

figcaption { font-size: 12px; color: var(--ink-subtle); padding: 8px 12px; background: var(--canvas); text-align: center; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: var(--surface-1); border: 1px solid var(--hairline); border-radius: var(--rounded-lg); padding: 24px; }
.feature-icon { font-size: 28px; margin-bottom: 12px; }
.feature-title { font-size: 16px; font-weight: 500; color: var(--ink); margin-bottom: 8px; }
.feature-text { font-size: 14px; color: var(--ink-muted); line-height: 1.5; }

.article-header { padding: 64px 0 40px; }
.breadcrumb { font-size: 13px; color: var(--ink-subtle); margin-bottom: 20px; display: flex; align-items: center; gap: 6px; }
.breadcrumb a { color: var(--ink-subtle); }
.breadcrumb a:hover { color: var(--ink); text-decoration: none; }
.breadcrumb span { color: var(--ink-tertiary); }
.article-title { font-size: 40px; font-weight: 500; letter-spacing: -0.8px; color: var(--ink); margin-bottom: 16px; max-width: 800px; }
.article-meta { font-size: 13px; color: var(--ink-subtle); margin-bottom: 32px; }
.article-content { max-width: 720px; }
.article-content h2 { font-size: 26px; font-weight: 500; letter-spacing: -0.5px; color: var(--ink); margin: 40px 0 16px; }
.article-content h3 { font-size: 20px; font-weight: 500; letter-spacing: -0.2px; color: var(--ink); margin: 28px 0 12px; }
.article-content p { font-size: 16px; line-height: 1.7; color: var(--ink); margin-bottom: 18px; }
.article-content ul, .article-content ol { margin: 0 0 18px 20px; font-size: 16px; line-height: 1.7; color: var(--ink); }
.article-content li { margin-bottom: 6px; }
.article-content figure { margin: 32px 0; border-radius: var(--rounded-xl); overflow: hidden; border: 1px solid var(--hairline); }
.article-content figure img { width: 100%; height: 400px; object-fit: cover; }
.article-content a { color: var(--ink); text-decoration: underline; }

.contact-form { max-width: 560px; }
.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%; padding: 10px 14px; font-family: inherit; font-size: 16px; color: var(--ink); background: var(--surface-1); border: 1px solid var(--hairline); border-radius: var(--rounded-md); outline: none; transition: border-color 0.15s; min-height: 44px; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--ink); }
.form-group textarea { min-height: 120px; resize: vertical; }
.btn { display: inline-block; padding: 10px 18px; font-family: inherit; font-size: 15px; font-weight: 500; cursor: pointer; border-radius: var(--rounded-md); border: none; transition: opacity 0.15s; }
.btn:hover { opacity: 0.8; text-decoration: none; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-secondary { background: var(--surface-1); color: var(--ink); border: 1px solid var(--hairline); }
.form-status { margin-top: 16px; padding: 12px 16px; border-radius: var(--rounded-md); font-size: 14px; display: none; }
.form-status.success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.form-status.loading { background: var(--surface-2); color: var(--ink-muted); border: 1px solid var(--hairline); }

.site-footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: 13px; color: var(--ink-subtle); margin-top: 8px; line-height: 1.6; max-width: 260px; }
.footer-col h4 { font-size: 13px; font-weight: 500; color: var(--ink); margin-bottom: 12px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 13px; color: var(--ink-subtle); }
.footer-col ul li a:hover { color: var(--ink); text-decoration: none; }
.footer-bottom { border-top: 1px solid var(--hairline); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 12px; color: var(--ink-tertiary); }

.page-header { padding: 64px 0 48px; }
.page-title { font-size: 40px; font-weight: 500; letter-spacing: -0.8px; color: var(--ink); margin-bottom: 16px; }
.page-content { max-width: 720px; padding-bottom: 96px; }
.page-content h2 { font-size: 24px; font-weight: 500; margin: 36px 0 12px; letter-spacing: -0.3px; }
.page-content h3 { font-size: 18px; font-weight: 500; margin: 24px 0 8px; }
.page-content p { font-size: 16px; line-height: 1.7; margin-bottom: 16px; color: var(--ink); }
.page-content ul { margin: 0 0 16px 20px; font-size: 16px; line-height: 1.7; }
.page-content li { margin-bottom: 6px; }
.page-content a { color: var(--ink); text-decoration: underline; }

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

.cookie-banner { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); width: calc(100% - 48px); max-width: 680px; background: var(--surface-1); border: 1px solid var(--hairline); border-radius: var(--rounded-lg); padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; z-index: 999; flex-wrap: wrap; }
.cookie-banner p { font-size: 13px; color: var(--ink-muted); flex: 1; }
.cookie-banner a { color: var(--ink); }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }

@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 36px; letter-spacing: -0.8px; }
  .hero-img-wrap img { height: 260px; }
  .section-title { font-size: 28px; }
  .article-title { font-size: 28px; }
  .page-title { font-size: 28px; }
  .card-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .cookie-banner { flex-direction: column; align-items: flex-start; }
  .hero { padding: 64px 0; }
  .section { padding: 64px 0; }
}