@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-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-weight: 400; line-height: 1.5; }

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; }

/* NAV */
.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; height: 100%; gap: 0; }
.nav-brand { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.5px; margin-right: auto; }
.nav-brand span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--muted); transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); }
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; flex-direction: column; gap: 5px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all 0.2s; }

/* HERO */
.hero { padding: 80px 0 60px; }
.hero-label { display: inline-block; background: var(--surface-strong); color: var(--ink); font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; padding: 4px 10px; border-radius: var(--radius-pill); margin-bottom: 24px; }
.hero h1 { font-size: 56px; font-weight: 400; line-height: 1.1; letter-spacing: -1.5px; color: var(--ink); max-width: 700px; margin-bottom: 20px; }
.hero p { font-size: 18px; color: var(--body); max-width: 560px; line-height: 1.6; margin-bottom: 32px; }
.hero-meta { font-size: 13px; color: var(--muted); }
.hero-image { margin-top: 48px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--hairline); max-height: 460px; }
.hero-image img { width: 100%; height: 460px; object-fit: cover; }

/* SECTIONS */
.section { padding: 80px 0; }
.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; letter-spacing: -0.72px; color: var(--ink); line-height: 1.2; margin-bottom: 16px; }
.section-subtitle { font-size: 16px; color: var(--body); max-width: 560px; line-height: 1.6; margin-bottom: 48px; }
.section-divider { border: none; border-top: 1px solid var(--hairline); margin: 0; }

/* CARD GRID */
.card-grid { display: grid; gap: 20px; }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }

.card { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 24px; }
.card-img { border-radius: var(--radius-md); overflow: hidden; margin-bottom: 20px; }
.card-img img { width: 100%; height: 200px; object-fit: cover; }
.card-tag { display: inline-block; background: var(--surface-strong); color: var(--ink); font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; padding: 3px 8px; border-radius: var(--radius-pill); margin-bottom: 12px; }
.card h3 { font-size: 18px; font-weight: 600; color: var(--ink); line-height: 1.35; margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--body); line-height: 1.6; margin-bottom: 16px; }
.card-meta { font-size: 13px; color: var(--muted); border-top: 1px solid var(--hairline-soft); padding-top: 14px; margin-top: auto; }
.card-link { color: var(--primary); font-size: 14px; font-weight: 500; }
.card-link:hover { color: var(--primary-active); }

/* ARTICLE LAYOUT */
.article-header { padding: 60px 0 40px; border-bottom: 1px solid var(--hairline); }
.article-header .section-label { margin-bottom: 12px; }
.article-header h1 { font-size: 46px; font-weight: 400; letter-spacing: -1.2px; color: var(--ink); line-height: 1.15; max-width: 760px; margin-bottom: 18px; }
.article-header .article-meta { font-size: 14px; color: var(--muted); display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.article-header .article-meta span::before { content: '·'; margin-right: 16px; }
.article-header .article-meta span:first-child::before { content: none; }

.article-body { padding: 48px 0 80px; }
.article-content { max-width: 720px; }
.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; color: var(--body); line-height: 1.7; margin-bottom: 20px; }
.article-content ul, .article-content ol { margin: 16px 0 20px 24px; }
.article-content li { font-size: 16px; color: var(--body); line-height: 1.65; margin-bottom: 8px; }
.article-content ul li { list-style: disc; }
.article-content ol li { list-style: decimal; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--primary-active); }
.article-figure { margin: 32px 0; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--hairline); }
.article-figure img { width: 100%; max-height: 400px; object-fit: cover; }
.article-figure figcaption { font-size: 13px; color: var(--muted); padding: 12px 16px; background: var(--canvas-soft); }

.info-box { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 24px; margin: 28px 0; }
.info-box-title { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.info-box p { font-size: 15px; color: var(--body-strong); line-height: 1.6; margin-bottom: 0; }

.data-table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.data-table th { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); text-align: left; padding: 10px 16px; border-bottom: 1px solid var(--hairline-strong); }
.data-table td { padding: 12px 16px; border-bottom: 1px solid var(--hairline-soft); color: var(--body); }
.data-table tr:last-child td { border-bottom: none; }

/* SIDEBAR */
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.article-sidebar { position: sticky; top: 88px; }
.sidebar-widget { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 20px; }
.sidebar-widget h4 { font-size: 13px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.sidebar-widget ul li { padding: 8px 0; border-bottom: 1px solid var(--hairline-soft); font-size: 14px; }
.sidebar-widget ul li:last-child { border-bottom: none; }
.sidebar-widget ul li a { color: var(--body-strong); }
.sidebar-widget ul li a:hover { color: var(--primary); }

/* FEATURES STRIP */
.features-strip { background: var(--surface-card); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.features-strip .container { display: grid; grid-template-columns: repeat(3, 1fr); }
.feature-item { padding: 40px 32px; border-right: 1px solid var(--hairline); }
.feature-item:last-child { border-right: none; }
.feature-icon { width: 40px; height: 40px; background: var(--surface-strong); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.feature-icon svg { color: var(--ink); }
.feature-item h3 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.feature-item p { font-size: 14px; color: var(--body); line-height: 1.6; }

/* CONTACT FORM */
.contact-section { padding: 80px 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--ink); letter-spacing: 0.2px; }
.form-group input, .form-group textarea { background: var(--surface-card); border: 1px solid var(--hairline-strong); border-radius: var(--radius-md); padding: 11px 14px; font-size: 15px; color: var(--ink); font-family: inherit; height: 44px; transition: border-color 0.15s; }
.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--ink); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted-soft); }
.btn-primary { background: var(--primary); color: var(--on-primary); border: none; border-radius: var(--radius-md); padding: 10px 22px; height: 44px; font-size: 14px; font-weight: 500; cursor: pointer; font-family: inherit; transition: background 0.15s; }
.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.form-status { margin-top: 16px; padding: 14px 18px; border-radius: var(--radius-md); font-size: 14px; display: none; }
.form-status.success { background: #e8f5f0; color: var(--success); border: 1px solid #b3dece; display: block; }
.form-status.error { background: #fde8ec; color: var(--error); border: 1px solid #f5b8c4; display: block; }

/* FOOTER */
.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: 40px; margin-bottom: 48px; }
.footer-brand { }
.footer-logo { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 12px; }
.footer-logo span { color: var(--primary); }
.footer-desc { font-size: 14px; color: var(--body); line-height: 1.6; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: var(--body); }
.footer-col ul li a:hover { color: var(--ink); }
.footer-bottom { border-top: 1px solid var(--hairline); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; color: var(--muted); }

/* COOKIE BANNER */
.cookie-banner { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); width: calc(100% - 48px); max-width: 640px; background: var(--ink); color: var(--canvas); border-radius: var(--radius-lg); padding: 20px 24px; display: flex; align-items: center; gap: 20px; z-index: 1000; box-shadow: none; }
.cookie-banner p { font-size: 14px; line-height: 1.5; flex: 1; }
.cookie-banner p a { color: var(--canvas); text-decoration: underline; text-underline-offset: 3px; }
.cookie-actions { 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 16px; font-size: 13px; font-weight: 500; cursor: pointer; font-family: inherit; }
.btn-cookie-reject { background: transparent; color: var(--canvas); border: 1px solid rgba(255,255,255,0.3); border-radius: var(--radius-md); padding: 8px 16px; font-size: 13px; font-weight: 500; cursor: pointer; font-family: inherit; }

/* PAGE HEADER */
.page-header { padding: 60px 0 48px; border-bottom: 1px solid var(--hairline); }
.page-header h1 { font-size: 42px; font-weight: 400; letter-spacing: -1px; color: var(--ink); max-width: 640px; }
.page-header p { font-size: 16px; color: var(--body); margin-top: 16px; max-width: 560px; }
.page-content { padding: 60px 0 80px; max-width: 760px; }
.page-content h2 { font-size: 24px; font-weight: 400; letter-spacing: -0.3px; color: var(--ink); margin: 36px 0 14px; }
.page-content p { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 18px; }
.page-content ul li { font-size: 16px; color: var(--body); line-height: 1.65; margin-bottom: 8px; list-style: disc; margin-left: 22px; }

/* DISCLAIMER */
.disclaimer-bar { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--radius-md); padding: 14px 20px; margin: 24px 0; }
.disclaimer-bar p { font-size: 13px; color: var(--muted); line-height: 1.5; margin: 0; }

/* BREADCRUMB */
.breadcrumb { padding: 16px 0; font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb-sep { color: var(--hairline-strong); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero h1 { font-size: 46px; }
  .card-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 36px; letter-spacing: -0.8px; }
  .hero p { font-size: 16px; }
  .hero { padding: 48px 0 40px; }
  .section-title { font-size: 28px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 16px 24px; gap: 16px; }
  .card-grid--3, .card-grid--2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .features-strip .container { grid-template-columns: 1fr; }
  .feature-item { border-right: none; border-bottom: 1px solid var(--hairline); }
  .feature-item:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-header h1 { font-size: 32px; }
  .cookie-banner { flex-direction: column; align-items: flex-start; bottom: 12px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}