:root {
  --canvas: #f7f7f4;
  --canvas-soft: #fafaf7;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --ink: #26251e;
  --body: #5a5852;
  --body-strong: #26251e;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --primary: #f54e00;
  --primary-active: #d04200;
  --on-primary: #ffffff;
  --success: #1f8a65;
  --error: #cf2d56;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
}

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

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;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.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 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.nav-logo span { color: var(--primary); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-menu li a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  transition: color 0.15s, background 0.15s;
}
.nav-menu li a:hover, .nav-menu li a.active {
  color: var(--ink);
  background: var(--surface-strong);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-md);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s;
  line-height: 1;
}
.btn-primary:hover { background: var(--primary-active); }
.btn-primary:active { background: var(--primary-active); }

.btn-secondary {
  background: var(--surface-card);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s;
  line-height: 1;
}
.btn-secondary:hover { background: var(--surface-strong); }

.hero-band {
  padding: 80px 0 72px;
  border-bottom: 1px solid var(--hairline);
}
.hero-band .container { max-width: 820px; }
.hero-badge {
  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-band h1 {
  font-size: 56px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.hero-band p {
  font-size: 18px;
  color: var(--body);
  line-height: 1.6;
  max-width: 640px;
  margin-bottom: 0;
}

.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;
  color: var(--ink);
  letter-spacing: -0.72px;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-sub {
  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: 16px;
}

.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}
.card-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.card h2, .card h3 {
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.11px;
  line-height: 1.3;
  margin-bottom: 12px;
}
.card p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 20px;
}
.card-meta {
  font-size: 13px;
  color: var(--muted);
}
.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}
.card-link:hover { color: var(--primary-active); }

.divider { border: none; border-top: 1px solid var(--hairline); margin: 0; }

.hero-image-wrap {
  margin-top: 56px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.hero-image-wrap img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}
.img-caption {
  font-size: 13px;
  color: var(--muted);
  padding: 10px 16px;
  background: var(--canvas-soft);
  border-top: 1px solid var(--hairline-soft);
}

.article-hero { padding: 64px 0 48px; border-bottom: 1px solid var(--hairline); }
.article-hero .container { max-width: 800px; }
.article-hero h1 {
  font-size: 42px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 16px;
}
.article-meta {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.article-body { padding: 56px 0 80px; }
.article-body .container { max-width: 800px; }
.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.325px;
  line-height: 1.25;
  margin: 48px 0 16px;
}
.article-body h2:first-child { margin-top: 0; }
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--body-strong);
  margin: 32px 0 12px;
}
.article-body p { margin-bottom: 20px; font-size: 16px; line-height: 1.7; }
.article-body ul, .article-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; font-size: 16px; line-height: 1.6; }
.article-body a { color: var(--primary); font-weight: 500; }
.article-body a:hover { color: var(--primary-active); }

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 14px;
}
.data-table th {
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 600;
  text-align: left;
  padding: 12px 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; }
.data-table tr:nth-child(even) td { background: var(--canvas-soft); }

.article-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  margin: 32px 0;
}
.article-img img { width: 100%; max-height: 400px; object-fit: cover; }
.article-img .img-caption { font-size: 13px; color: var(--muted); padding: 10px 16px; background: var(--canvas-soft); border-top: 1px solid var(--hairline-soft); }

.related-articles { padding: 64px 0; background: var(--canvas-soft); border-top: 1px solid var(--hairline); }
.related-articles .section-title { font-size: 26px; margin-bottom: 32px; }

.contact-section { padding: 80px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: 36px; font-weight: 400; color: var(--ink); letter-spacing: -0.72px; margin-bottom: 16px; }
.contact-info p { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 24px; }
.contact-detail { display: flex; flex-direction: column; gap: 12px; }
.contact-detail span { font-size: 14px; color: var(--body); }
.contact-detail a { font-size: 14px; color: var(--primary); font-weight: 500; }

.form-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.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);
  color: var(--ink);
  font-size: 16px;
  font-family: inherit;
  padding: 12px 16px;
  height: 44px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.15s;
}
.form-group textarea { height: auto; min-height: 100px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--ink); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted-soft); }

.form-submit .btn-primary { width: 100%; height: 44px; font-size: 15px; }
.form-message { display: none; margin-top: 16px; padding: 12px 16px; border-radius: var(--radius-md); font-size: 14px; }
.form-message.success { background: #edf7f3; color: var(--success); border: 1px solid #b5dfd1; }
.form-message.error { background: #fdf0f2; color: var(--error); border: 1px solid #f1c1c9; }
.form-loading { display: none; margin-top: 16px; text-align: center; font-size: 14px; color: var(--muted); }

.page-hero { padding: 64px 0 48px; border-bottom: 1px solid var(--hairline); }
.page-hero h1 { font-size: 42px; font-weight: 400; color: var(--ink); letter-spacing: -1px; line-height: 1.15; margin-bottom: 12px; }
.page-hero p { font-size: 16px; color: var(--body); }
.page-body { padding: 56px 0 80px; }
.page-body .container { max-width: 800px; }
.page-body h2 { font-size: 26px; font-weight: 400; color: var(--ink); letter-spacing: -0.325px; margin: 40px 0 14px; }
.page-body h2:first-child { margin-top: 0; }
.page-body p { font-size: 16px; line-height: 1.7; margin-bottom: 18px; }
.page-body ul { list-style: disc; padding-left: 24px; margin-bottom: 18px; }
.page-body li { font-size: 16px; line-height: 1.6; margin-bottom: 6px; }
.page-updated { font-size: 13px; color: var(--muted); margin-bottom: 40px; }

.disclaimer {
  background: var(--canvas-soft);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 16px 0;
  margin: 0;
}
.disclaimer .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.disclaimer p { font-size: 13px; color: var(--muted); line-height: 1.5; }

.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 48px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.02em; margin-bottom: 8px; }
.footer-brand span { color: var(--primary); }
.footer-tagline { font-size: 13px; color: var(--muted); line-height: 1.5; }
.footer-heading { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 14px; color: var(--body); }
.footer-col ul li a:hover { color: var(--ink); }
.footer-col ul li { font-size: 14px; color: var(--body); }
.footer-bottom {
  max-width: 1200px;
  margin: 48px auto 0;
  padding: 24px 24px 0;
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 13px; color: var(--muted); }

.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 520px;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: none;
  z-index: 9999;
  box-shadow: 0 2px 12px rgba(38,37,30,0.08);
}
.cookie-banner p { font-size: 14px; color: var(--body); margin-bottom: 16px; }
.cookie-banner a { color: var(--primary); font-weight: 500; }
.cookie-buttons { display: flex; gap: 8px; }

.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 20px; display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { color: var(--muted-soft); }

@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    gap: 4px;
  }
  .nav-menu.open { display: flex; }
  .nav-menu li { width: 100%; }
  .nav-menu li a { display: block; width: 100%; }
  .hero-band h1 { font-size: 36px; letter-spacing: -0.8px; }
  .hero-band { padding: 48px 0 40px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 28px; }
  .cards-grid, .cards-grid-2 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .article-hero h1 { font-size: 30px; }
  .contact-grid { grid-template-columns: 1fr; }
  .cookie-banner { left: 16px; right: 16px; bottom: 16px; }
}

@media (max-width: 640px) {
  .hero-band h1 { font-size: 28px; }
  .section-title { font-size: 24px; }
  .article-hero h1 { font-size: 26px; }
  .page-hero h1 { font-size: 28px; }
}