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

*, *::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;
  --ink: #26251e;
  --body: #5a5852;
  --body-strong: #26251e;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --on-primary: #ffffff;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --success: #1f8a65;
  --error: #cf2d56;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
}

html { font-size: 16px; 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;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }
img { display: block; max-width: 100%; height: auto; }

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

.site-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-nav .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.nav-logo { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.5px; }
.nav-logo span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--body); transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); }
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }
.nav-mobile { display: none; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 16px 24px; }
.nav-mobile.open { display: block; }
.nav-mobile ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.nav-mobile ul a { display: block; padding: 10px 0; font-size: 15px; font-weight: 500; color: var(--ink); border-bottom: 1px solid var(--hairline-soft); }

.hero { padding: 80px 0; background: var(--canvas); }
.hero-eyebrow {
  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(--radius-pill); padding: 4px 10px; margin-bottom: 24px;
}
.hero h1 { font-size: 56px; font-weight: 400; line-height: 1.1; letter-spacing: -1.5px; color: var(--ink); max-width: 760px; margin-bottom: 20px; }
.hero-sub { font-size: 18px; line-height: 1.55; color: var(--body); max-width: 560px; margin-bottom: 32px; }
.hero-meta { font-size: 13px; color: var(--muted); margin-bottom: 40px; }
.hero-image { width: 100%; max-height: 460px; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid var(--hairline); margin-top: 48px; }

.section-label { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.section { padding: 80px 0; }
.section-alt { background: var(--canvas-soft); }
.section-title { font-size: 36px; font-weight: 400; line-height: 1.2; letter-spacing: -0.72px; color: var(--ink); margin-bottom: 12px; }
.section-desc { font-size: 16px; color: var(--body); max-width: 560px; line-height: 1.6; margin-bottom: 48px; }

.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cards-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 24px; }
.card-icon { font-size: 24px; margin-bottom: 16px; }
.card h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 8px; line-height: 1.4; }
.card p { font-size: 14px; color: var(--body); line-height: 1.6; }

.article-card { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; }
.article-card-img { width: 100%; height: 200px; object-fit: cover; display: block; }
.article-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.article-card-tag { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.article-card h3 { font-size: 22px; font-weight: 400; letter-spacing: -0.11px; color: var(--ink); margin-bottom: 10px; line-height: 1.3; }
.article-card p { font-size: 14px; color: var(--body); line-height: 1.6; flex: 1; margin-bottom: 20px; }
.article-card-meta { font-size: 13px; color: var(--muted); }
.read-link { display: inline-block; margin-top: 16px; font-size: 14px; font-weight: 500; color: var(--ink); border-bottom: 1px solid var(--hairline-strong); padding-bottom: 2px; transition: color 0.15s, border-color 0.15s; }
.read-link:hover { color: var(--primary); border-color: var(--primary); }

.article-header { padding: 60px 0 40px; }
.article-header h1 { font-size: 44px; font-weight: 400; letter-spacing: -1px; color: var(--ink); max-width: 800px; line-height: 1.15; margin-bottom: 16px; }
.article-meta { font-size: 14px; color: var(--muted); margin-bottom: 32px; display: flex; gap: 16px; flex-wrap: wrap; }
.article-lead { font-size: 20px; line-height: 1.55; color: var(--body-strong); max-width: 720px; }
.article-hero-img { width: 100%; max-height: 440px; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid var(--hairline); margin: 48px 0; }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 64px; align-items: start; }
.article-body { max-width: 720px; }
.article-body h2 { font-size: 28px; font-weight: 400; letter-spacing: -0.5px; color: var(--ink); margin: 48px 0 16px; line-height: 1.25; }
.article-body h3 { font-size: 20px; font-weight: 600; color: var(--ink); margin: 32px 0 12px; }
.article-body p { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 20px; }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 20px; }
.article-body li { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 6px; }
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.article-body a:hover { color: var(--primary); border-color: var(--primary); }
.article-sidebar { padding-top: 40px; }
.sidebar-card { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px; }
.sidebar-card h4 { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.88px; color: var(--muted); margin-bottom: 16px; }
.sidebar-card ul { list-style: none; padding: 0; }
.sidebar-card ul li { padding: 8px 0; border-bottom: 1px solid var(--hairline-soft); font-size: 14px; }
.sidebar-card ul li:last-child { border-bottom: none; }
.sidebar-card ul a { color: var(--body); }
.sidebar-card ul a:hover { color: var(--primary); }

.info-box { background: var(--canvas-soft); border: 1px solid var(--hairline); border-left: 3px solid var(--ink); border-radius: var(--radius-md); padding: 20px 24px; margin: 32px 0; }
.info-box p { margin: 0; font-size: 15px; }

.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); border-radius: var(--radius-lg); overflow: hidden; margin: 48px 0; }
.fact-item { background: var(--surface-card); padding: 28px 24px; }
.fact-number { font-size: 36px; font-weight: 400; letter-spacing: -1px; color: var(--ink); margin-bottom: 4px; }
.fact-label { font-size: 14px; color: var(--muted); }

.step-list { list-style: none; padding: 0; counter-reset: steps; }
.step-list li { counter-increment: steps; display: flex; gap: 20px; margin-bottom: 24px; align-items: flex-start; }
.step-list li::before { content: counter(steps); flex-shrink: 0; width: 32px; height: 32px; background: var(--ink); color: var(--canvas); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; margin-top: 2px; }
.step-content h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.step-content p { font-size: 15px; color: var(--body); margin: 0; }

.breadcrumb { font-size: 13px; color: var(--muted); padding: 16px 0; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb-sep { color: var(--muted-soft); }

.contact-form-wrap { max-width: 600px; }
.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(--radius-md); padding: 12px 16px; font-size: 15px; color: var(--ink); font-family: inherit; transition: border-color 0.15s; outline: none; height: 44px; }
.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--ink); }
.form-group input.invalid, .form-group textarea.invalid { border-color: var(--error); }
.btn-primary { background: var(--primary); color: var(--on-primary); border: none; border-radius: var(--radius-md); padding: 10px 24px; height: 40px; font-size: 14px; font-weight: 500; cursor: pointer; transition: background 0.15s; font-family: inherit; }
.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.form-status { margin-top: 16px; font-size: 14px; padding: 12px 16px; border-radius: var(--radius-md); display: none; }
.form-status.success { background: #e8f5f0; color: var(--success); border: 1px solid #b8dfd3; display: block; }

#cookie-banner { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--canvas); border-radius: var(--radius-lg); padding: 20px 28px; max-width: 560px; width: calc(100% - 48px); z-index: 999; display: none; box-shadow: 0 4px 24px rgba(38,37,30,0.18); }
#cookie-banner.visible { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
#cookie-banner p { font-size: 14px; line-height: 1.5; flex: 1; min-width: 200px; color: var(--canvas); margin: 0; }
#cookie-banner p a { color: var(--canvas); border-bottom: 1px solid rgba(247,247,244,0.4); }
.cookie-btns { display: flex; gap: 10px; flex-shrink: 0; }
.btn-cookie-accept { background: var(--primary); color: var(--on-primary); border: none; border-radius: var(--radius-md); padding: 8px 18px; font-size: 14px; font-weight: 500; cursor: pointer; font-family: inherit; }
.btn-cookie-reject { background: transparent; color: var(--canvas); border: 1px solid rgba(247,247,244,0.35); border-radius: var(--radius-md); padding: 8px 18px; font-size: 14px; font-weight: 500; cursor: pointer; font-family: inherit; }

.site-footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 64px 0 48px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo { font-size: 20px; margin-bottom: 12px; display: block; }
.footer-brand p { font-size: 14px; color: var(--muted); line-height: 1.6; max-width: 260px; }
.footer-col h5 { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.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-bottom { padding-top: 32px; 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: 13px; color: var(--muted); }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--ink); }
.disclaimer { font-size: 12px; color: var(--muted-soft); line-height: 1.5; max-width: 720px; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--hairline-soft); }

.page-header { padding: 60px 0 40px; border-bottom: 1px solid var(--hairline); margin-bottom: 60px; }
.page-header h1 { font-size: 44px; font-weight: 400; letter-spacing: -1px; color: var(--ink); margin-bottom: 12px; }
.page-header p { font-size: 16px; color: var(--body); max-width: 560px; }
.page-body { max-width: 720px; padding-bottom: 80px; }
.page-body h2 { font-size: 26px; font-weight: 400; letter-spacing: -0.325px; color: var(--ink); margin: 48px 0 16px; }
.page-body h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin: 28px 0 10px; }
.page-body p { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 16px; }
.page-body ul { padding-left: 24px; margin-bottom: 16px; }
.page-body ul li { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 6px; }
.page-body a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.page-body a:hover { color: var(--primary); }
.updated-note { font-size: 13px; color: var(--muted); margin-bottom: 40px; }

.related-section { border-top: 1px solid var(--hairline); padding: 60px 0; margin-top: 60px; }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .article-sidebar { padding-top: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 36px; letter-spacing: -0.8px; }
  .section-title { font-size: 28px; }
  .article-header h1 { font-size: 30px; letter-spacing: -0.5px; }
  .page-header h1 { font-size: 30px; }
  .cards-grid { grid-template-columns: 1fr; }
  .cards-grid-2 { grid-template-columns: 1fr; }
  .fact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}