@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: #f7f7f4;
  --canvas-soft: #fafaf7;
  --card: #ffffff;
  --ink: #26251e;
  --body: #5a5852;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --primary: #f54e00;
  --primary-active: #d04200;
  --on-primary: #ffffff;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --surface-strong: #e6e5e0;
  --success: #1f8a65;
  --error: #cf2d56;
}

html { scroll-behavior: smooth; }
body { background: var(--canvas); color: var(--body); font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.5; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }

.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; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.wordmark { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.3px; }
.wordmark span { color: var(--primary); }
.nav-links { display: flex; 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-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; }

.hero { padding: 80px 0; }
.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; border-radius: 9999px; padding: 4px 10px; margin-bottom: 24px; }
.hero h1 { font-size: 56px; font-weight: 400; color: var(--ink); line-height: 1.1; letter-spacing: -1.5px; max-width: 740px; margin-bottom: 20px; }
.hero p { font-size: 18px; color: var(--body); max-width: 560px; line-height: 1.6; }
.hero-img { margin-top: 48px; border-radius: 12px; overflow: hidden; border: 1px solid var(--hairline); }
.hero-img img { width: 100%; max-height: 440px; 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; color: var(--ink); letter-spacing: -0.72px; line-height: 1.2; margin-bottom: 16px; }
.section-desc { font-size: 16px; color: var(--body); max-width: 560px; line-height: 1.6; margin-bottom: 48px; }

.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card { background: var(--card); border: 1px solid var(--hairline); border-radius: 12px; overflow: hidden; transition: border-color 0.15s; }
.article-card:hover { border-color: var(--hairline-strong); }
.article-card-img { height: 200px; overflow: hidden; }
.article-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.article-card:hover .article-card-img img { transform: scale(1.03); }
.article-card-body { padding: 24px; }
.article-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; border-radius: 9999px; padding: 4px 10px; margin-bottom: 12px; }
.article-card-body h3 { font-size: 20px; font-weight: 400; color: var(--ink); letter-spacing: -0.2px; line-height: 1.3; margin-bottom: 10px; }
.article-card-body p { font-size: 14px; color: var(--body); line-height: 1.5; margin-bottom: 16px; }
.article-card-meta { font-size: 13px; color: var(--muted); }
.article-link { font-size: 14px; font-weight: 500; color: var(--primary); }

.topics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.topic-card { background: var(--card); border: 1px solid var(--hairline); border-radius: 12px; padding: 24px; }
.topic-card h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.topic-card p { font-size: 14px; color: var(--body); line-height: 1.6; }
.topic-icon { font-size: 28px; margin-bottom: 16px; }

.band { background: var(--canvas-soft); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }

.contact-section { padding: 80px 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.form-info h2 { font-size: 32px; font-weight: 400; color: var(--ink); letter-spacing: -0.5px; margin-bottom: 16px; }
.form-info p { font-size: 15px; color: var(--body); line-height: 1.6; }
.form-wrap { background: var(--card); border: 1px solid var(--hairline); border-radius: 12px; padding: 40px; }
.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(--card); color: var(--ink); font-family: 'Inter', sans-serif; font-size: 16px; border: 1px solid var(--hairline-strong); border-radius: 8px; padding: 12px 16px; height: 44px; outline: none; transition: border-color 0.15s; }
.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--ink); }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; background: var(--primary); color: var(--on-primary); font-size: 14px; font-weight: 500; border: none; border-radius: 8px; padding: 10px 20px; height: 40px; cursor: pointer; transition: background 0.15s; font-family: 'Inter', sans-serif; }
.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.form-message { margin-top: 16px; font-size: 14px; padding: 12px 16px; border-radius: 8px; display: none; }
.form-message.success { background: #d4f0e8; color: var(--success); border: 1px solid #b0dfd0; }

.article-hero { padding: 60px 0 40px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }
.article-hero h1 { font-size: 42px; font-weight: 400; color: var(--ink); letter-spacing: -0.84px; line-height: 1.15; max-width: 760px; margin-bottom: 20px; }
.article-meta { font-size: 14px; color: var(--muted); margin-bottom: 32px; }
.article-meta span { margin-right: 20px; }
.article-featured-img { border-radius: 12px; overflow: hidden; border: 1px solid var(--hairline); margin-bottom: 48px; }
.article-featured-img img { width: 100%; max-height: 460px; object-fit: cover; }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.article-content { font-size: 16px; color: var(--body); line-height: 1.6; }
.article-content h2 { font-size: 28px; font-weight: 400; color: var(--ink); letter-spacing: -0.5px; margin: 40px 0 16px; line-height: 1.2; }
.article-content h3 { font-size: 20px; font-weight: 600; color: var(--ink); margin: 28px 0 12px; }
.article-content p { margin-bottom: 20px; }
.article-content ul, .article-content ol { margin: 0 0 20px 24px; }
.article-content li { margin-bottom: 8px; }
.article-content a { color: var(--primary); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
.article-content table { width: 100%; border-collapse: collapse; margin-bottom: 24px; font-size: 15px; }
.article-content th { background: var(--canvas-soft); color: var(--ink); font-weight: 600; padding: 12px 16px; text-align: left; border: 1px solid var(--hairline); }
.article-content td { padding: 10px 16px; border: 1px solid var(--hairline); color: var(--body); }
.article-content tr:nth-child(even) td { background: var(--canvas-soft); }
.article-sidebar { position: sticky; top: 84px; }
.sidebar-card { background: var(--card); border: 1px solid var(--hairline); border-radius: 12px; padding: 24px; margin-bottom: 24px; }
.sidebar-card h4 { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.7px; margin-bottom: 16px; }
.sidebar-card ul { list-style: none; padding: 0; }
.sidebar-card ul li { border-bottom: 1px solid var(--hairline-soft); padding: 10px 0; }
.sidebar-card ul li:last-child { border-bottom: none; }
.sidebar-card ul li a { font-size: 14px; color: var(--body); line-height: 1.4; }
.sidebar-card ul li a:hover { color: var(--primary); }
.sidebar-ref a { font-size: 14px; color: var(--body); word-break: break-all; }
.sidebar-ref a:hover { color: var(--primary); }
.info-box { background: var(--canvas-soft); border: 1px solid var(--hairline); border-left: 3px solid var(--primary); border-radius: 0 8px 8px 0; padding: 20px 24px; margin: 28px 0; }
.info-box p { font-size: 15px; color: var(--body); margin: 0; }

.site-footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 64px 0 48px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .wordmark { font-size: 18px; }
.footer-brand p { font-size: 14px; color: var(--body); line-height: 1.6; margin-top: 12px; max-width: 280px; }
.footer-col h5 { font-size: 12px; font-weight: 600; color: var(--ink); letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; }
.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; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; color: var(--muted); }
.footer-bottom a { font-size: 13px; color: var(--muted); }
.footer-bottom a:hover { color: var(--ink); }

.cookie-banner { position: fixed; bottom: 24px; left: 24px; right: 24px; max-width: 640px; margin: 0 auto; background: var(--ink); color: var(--canvas); border-radius: 12px; padding: 20px 24px; display: none; gap: 20px; align-items: flex-start; z-index: 9999; }
.cookie-banner p { font-size: 14px; color: #d0cfc6; line-height: 1.5; flex: 1; }
.cookie-banner a { color: #f7f7f4; text-decoration: underline; }
.cookie-buttons { display: flex; gap: 8px; flex-shrink: 0; padding-top: 2px; }
.btn-accept { background: var(--primary); color: #fff; border: none; border-radius: 8px; padding: 8px 16px; font-size: 13px; font-weight: 500; cursor: pointer; font-family: 'Inter', sans-serif; white-space: nowrap; }
.btn-reject { background: transparent; color: #d0cfc6; border: 1px solid #4a493f; border-radius: 8px; padding: 8px 16px; font-size: 13px; font-weight: 500; cursor: pointer; font-family: 'Inter', sans-serif; white-space: nowrap; }

.page-hero { padding: 60px 0 40px; border-bottom: 1px solid var(--hairline); margin-bottom: 48px; }
.page-hero h1 { font-size: 42px; font-weight: 400; color: var(--ink); letter-spacing: -0.84px; margin-bottom: 12px; }
.page-hero p { font-size: 18px; color: var(--body); max-width: 560px; }
.page-content { max-width: 760px; padding-bottom: 80px; }
.page-content h2 { font-size: 26px; font-weight: 400; color: var(--ink); letter-spacing: -0.35px; margin: 36px 0 14px; }
.page-content p { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 16px; }
.page-content ul { margin: 0 0 16px 24px; }
.page-content ul li { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 8px; }

.disclaimer { background: var(--canvas-soft); border: 1px solid var(--hairline); border-radius: 8px; padding: 16px 20px; margin: 32px 0; }
.disclaimer p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.5; }

@media (max-width: 1024px) {
  .hero h1 { font-size: 46px; }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hero { padding: 56px 0; }
  .hero h1 { font-size: 34px; letter-spacing: -0.8px; }
  .hero p { font-size: 16px; }
  .section-title { font-size: 28px; }
  .articles-grid { grid-template-columns: 1fr; }
  .topics-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .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; z-index: 99; }
  .nav-toggle { display: block; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cookie-banner { flex-direction: column; bottom: 16px; left: 16px; right: 16px; }
  .article-hero h1 { font-size: 30px; letter-spacing: -0.5px; }
  .section { padding: 56px 0; }
}

@media (max-width: 540px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .form-wrap { padding: 24px; }
}