@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;1,400&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;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --surface-strong: #e6e5e0;
  --accent: #f54e00;
  --accent-active: #d04200;
  --on-accent: #ffffff;
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif; background: var(--canvas); color: var(--body); line-height: 1.6; -webkit-font-smoothing: antialiased; }

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }
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); position: sticky; top: 0; z-index: 100; height: 64px; display: flex; align-items: center; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.02em; flex-shrink: 0; }
.nav-logo .accent { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--body); transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; line-height: 1; }
.nav-hamburger span { display: block; width: 20px; height: 1.5px; background: var(--ink); margin: 5px 0; transition: all 0.2s; }

.hero { position: relative; overflow: hidden; }
.hero-image { width: 100%; height: 520px; object-fit: cover; object-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(38,37,30,0.15) 0%, rgba(38,37,30,0.7) 100%); }
.hero-content { position: absolute; bottom: 0; left: 0; right: 0; padding-bottom: 64px; }
.hero-tag { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--on-accent); background: var(--accent); border-radius: 9999px; padding: 4px 12px; margin-bottom: 18px; }
.hero-title { font-size: clamp(28px, 4vw, 52px); font-weight: 400; color: #ffffff; line-height: 1.18; letter-spacing: -0.025em; max-width: 660px; margin-bottom: 16px; }
.hero-desc { font-size: 16px; color: rgba(255,255,255,0.82); max-width: 500px; line-height: 1.65; }

.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-alt { background: var(--canvas-soft); }
.section-border { border-top: 1px solid var(--hairline); }
.section-label { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 32px; display: block; }
.section-head { margin-bottom: 48px; }
.section-title { font-size: clamp(22px, 3vw, 36px); font-weight: 400; color: var(--ink); letter-spacing: -0.02em; line-height: 1.25; margin-bottom: 12px; }
.section-subtitle { font-size: 16px; color: var(--body); max-width: 540px; line-height: 1.65; }

.card { background: var(--card); border: 1px solid var(--hairline); border-radius: 12px; overflow: hidden; transition: border-color 0.2s; }
.card:hover { border-color: var(--hairline-strong); }
.card-body { padding: 24px; }
.card-tag { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; display: block; }
.card-title { font-size: 18px; font-weight: 400; color: var(--ink); line-height: 1.35; margin-bottom: 12px; letter-spacing: -0.01em; }
.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--accent); }
.card-excerpt { font-size: 14px; color: var(--body); line-height: 1.65; margin-bottom: 16px; }
.card-meta { font-size: 13px; color: var(--muted); }
.card-image { width: 100%; height: 200px; object-fit: cover; }

.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

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

.page-header { padding: 64px 0 48px; border-bottom: 1px solid var(--hairline); margin-bottom: 64px; }
.page-header-tag { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; display: block; }
.page-header-title { font-size: clamp(28px, 4vw, 48px); font-weight: 400; color: var(--ink); letter-spacing: -0.025em; line-height: 1.18; margin-bottom: 14px; }
.page-header-desc { font-size: 16px; color: var(--body); max-width: 560px; line-height: 1.65; }
.page-header-meta { font-size: 13px; color: var(--muted); margin-top: 20px; display: flex; gap: 16px; flex-wrap: wrap; }

.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 64px; align-items: start; }
.article-image-wrap { border-radius: 12px; overflow: hidden; margin-bottom: 40px; }
.article-image-wrap img { width: 100%; height: 400px; object-fit: cover; }
.article-caption { font-size: 13px; color: var(--muted); margin-top: 10px; line-height: 1.5; }

.article-body p { font-size: 16px; line-height: 1.8; color: var(--body); margin-bottom: 24px; }
.article-body h2 { font-size: clamp(20px, 2.5vw, 26px); font-weight: 400; color: var(--ink); letter-spacing: -0.015em; line-height: 1.3; margin: 48px 0 18px; }
.article-body h3 { font-size: 18px; font-weight: 500; color: var(--ink); margin: 32px 0 12px; }
.article-body ul, .article-body ol { margin: 0 0 24px 24px; }
.article-body li { font-size: 16px; line-height: 1.75; color: var(--body); margin-bottom: 8px; }
.article-body strong { color: var(--ink); font-weight: 500; }
.article-body a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); transition: color 0.15s, border-color 0.15s; }
.article-body a:hover { color: var(--accent); border-color: var(--accent); }
.article-body hr { border: none; border-top: 1px solid var(--hairline); margin: 40px 0; }

.article-sidebar { position: sticky; top: 88px; }
.sidebar-card { background: var(--card); border: 1px solid var(--hairline); border-radius: 12px; padding: 24px; margin-bottom: 24px; }
.sidebar-title { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; display: block; }
.sidebar-link { display: block; font-size: 14px; color: var(--body); padding: 10px 0; border-bottom: 1px solid var(--hairline-soft); line-height: 1.45; transition: color 0.15s; }
.sidebar-link:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-link:hover { color: var(--ink); }
.sidebar-ref { display: block; font-size: 13px; color: var(--muted); padding: 8px 0; border-bottom: 1px solid var(--hairline-soft); line-height: 1.4; }
.sidebar-ref:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-ref:hover { color: var(--ink); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-image { border-radius: 12px; overflow: hidden; }
.about-image img { width: 100%; height: 400px; object-fit: cover; }
.about-text .section-label { margin-bottom: 16px; }
.about-text .section-title { margin-bottom: 20px; }
.about-text p { font-size: 16px; color: var(--body); line-height: 1.75; margin-bottom: 20px; }

.form-wrap { max-width: 600px; }
.form-group { margin-bottom: 20px; }
label { display: block; font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 8px; }
input[type="text"], input[type="email"], input[type="tel"], textarea { width: 100%; background: var(--card); border: 1px solid var(--hairline-strong); border-radius: 8px; padding: 12px 16px; font-size: 16px; font-family: inherit; color: var(--ink); transition: border-color 0.15s; -webkit-appearance: none; appearance: none; }
input[type="text"]::placeholder, input[type="email"]::placeholder, input[type="tel"]::placeholder, textarea::placeholder { color: var(--muted-soft); }
input[type="text"]:focus, input[type="email"]:focus, input[type="tel"]:focus, textarea:focus { outline: none; border-color: var(--ink); }
textarea { resize: vertical; min-height: 120px; }
.form-btn { background: var(--ink); color: var(--canvas); font-size: 14px; font-weight: 500; border: none; border-radius: 8px; padding: 12px 24px; cursor: pointer; font-family: inherit; transition: background 0.15s; min-height: 44px; }
.form-btn:hover { background: var(--accent); }
.form-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.form-success { display: none; background: var(--card); border: 1px solid var(--hairline); border-radius: 8px; padding: 20px 24px; font-size: 15px; color: var(--ink); margin-top: 20px; line-height: 1.5; }

.policy-body { max-width: 720px; }
.policy-body h2 { font-size: 22px; font-weight: 400; color: var(--ink); margin: 40px 0 14px; letter-spacing: -0.01em; }
.policy-body p { font-size: 16px; line-height: 1.78; color: var(--body); margin-bottom: 20px; }
.policy-body ul { margin: 0 0 20px 24px; }
.policy-body li { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 8px; }
.policy-body a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.policy-body a:hover { color: var(--accent); }

.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-name { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.02em; }
.footer-brand-name .accent { color: var(--accent); }
.footer-brand-desc { font-size: 14px; color: var(--muted); line-height: 1.65; margin-top: 12px; max-width: 280px; }
.footer-col-title { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; display: block; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: var(--body); transition: color 0.15s; }
.footer-links a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; align-items: flex-start; padding-top: 32px; border-top: 1px solid var(--hairline); flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; color: var(--muted); line-height: 1.5; }

.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--ink); color: var(--canvas); padding: 20px 0; z-index: 1000; display: none; }
.cookie-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cookie-text { font-size: 14px; line-height: 1.55; flex: 1; min-width: 240px; color: rgba(247,247,244,0.88); }
.cookie-text a { color: rgba(247,247,244,0.7); text-decoration: underline; }
.cookie-text a:hover { color: #ffffff; }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-btn { font-size: 14px; font-weight: 500; padding: 9px 20px; border-radius: 8px; cursor: pointer; border: none; font-family: inherit; transition: background 0.15s; min-height: 40px; }
.cookie-btn-accept { background: var(--accent); color: var(--on-accent); }
.cookie-btn-accept:hover { background: var(--accent-active); }
.cookie-btn-reject { background: transparent; color: rgba(247,247,244,0.8); border: 1px solid rgba(247,247,244,0.25); }
.cookie-btn-reject:hover { background: rgba(247,247,244,0.08); }

.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 32px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.breadcrumb a { color: var(--muted); transition: color 0.15s; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb-sep { color: var(--muted-soft); }

@media (max-width: 1024px) {
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 20px 24px; gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: block; }
  .articles-grid { grid-template-columns: 1fr; }
  .hero-image { height: 360px; }
  .section { padding: 60px 0; }
  .article-image-wrap img { height: 260px; }
  .about-image img { height: 280px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 640px) {
  .hero-image { height: 300px; }
  .page-header { padding: 48px 0 36px; margin-bottom: 40px; }
  .section { padding: 48px 0; }
  .cookie-inner { flex-direction: column; align-items: flex-start; }
}