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

:root {
  --canvas: #f7f7f4;
  --ink: #26251e;
  --body-color: #5a5852;
  --primary: #f54e00;
  --primary-active: #d04200;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --semantic-success: #1f8a65;
  --semantic-error: #cf2d56;
  --max-w: 1200px;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-xs: 4px;
  --radius-pill: 9999px;
  --section: 80px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--canvas);
  color: var(--body-color);
  font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { color: var(--ink); font-weight: 400; line-height: 1.2; }
h1 { font-size: 2.25rem; letter-spacing: -0.045rem; }
h2 { font-size: 1.625rem; letter-spacing: -0.02rem; }
h3 { font-size: 1.375rem; letter-spacing: -0.007rem; }
h4 { font-size: 1.125rem; font-weight: 600; letter-spacing: 0; }
p { color: var(--body-color); font-size: 1rem; line-height: 1.6; }
a { color: var(--ink); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--primary); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section) 0; }
.section-divider { border: none; border-top: 1px solid var(--hairline); margin: 0; }

.section-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.088rem;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 24px;
}

.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: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01rem;
}
.nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--body-color);
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  display: block;
  transition: all 0.25s;
}

.hero {
  padding: var(--section) 0 60px;
  border-bottom: 1px solid var(--hairline);
}
.hero-label {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.088rem;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.hero-content h1 { margin-bottom: 16px; }
.hero-content p {
  font-size: 1.0625rem;
  margin-bottom: 24px;
  max-width: 520px;
}
.hero-meta { font-size: 0.8125rem; color: var(--muted); }
.hero-meta a { color: var(--muted); text-decoration: underline; }
.hero-image img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
}
.hero-image figcaption {
  font-size: 0.75rem;
  color: var(--muted-soft);
  margin-top: 8px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s;
  display: flex;
  flex-direction: column;
}
.card:hover { border-color: var(--hairline-strong); }
.card-img {
  width: 100%;
  height: 185px;
  object-fit: cover;
  display: block;
}
.card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.card-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08rem;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 10px;
}
.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--primary); }
.card-excerpt {
  font-size: 0.875rem;
  color: var(--body-color);
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1;
}
.card-meta { font-size: 0.8125rem; color: var(--muted); margin-top: auto; }

.article-hero {
  padding: 48px 0 0;
  border-bottom: 1px solid var(--hairline);
}
.article-category {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.088rem;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}
.article-hero h1 { margin-bottom: 16px; max-width: 760px; }
.article-byline {
  font-size: 0.875rem;
  color: var(--muted);
  padding: 14px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 0;
}
.article-hero-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  margin-top: 32px;
}
.article-hero-caption {
  font-size: 0.75rem;
  color: var(--muted-soft);
  padding: 8px 0;
  border-bottom: 1px solid var(--hairline);
}

.article-wrap {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
  padding: 48px 0;
}
.article-body h2 { font-size: 1.375rem; margin: 36px 0 14px; }
.article-body h3 { font-size: 1.0625rem; font-weight: 600; margin: 28px 0 10px; }
.article-body p { margin-bottom: 18px; font-size: 1rem; line-height: 1.7; }
.article-body ul, .article-body ol { margin: 0 0 18px 24px; }
.article-body li { margin-bottom: 7px; font-size: 1rem; line-height: 1.6; }
.article-body blockquote {
  border-left: 3px solid var(--primary);
  padding: 12px 20px;
  margin: 28px 0;
  color: var(--ink);
  font-size: 1.0625rem;
  line-height: 1.55;
}
.article-body .inline-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  margin: 28px 0 8px;
  display: block;
}
.article-body .img-caption {
  font-size: 0.75rem;
  color: var(--muted-soft);
  margin-bottom: 28px;
}
.article-refs {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
}
.article-refs h4 { margin-bottom: 12px; }
.article-refs ol { margin-left: 20px; }
.article-refs li { font-size: 0.875rem; color: var(--body-color); margin-bottom: 6px; }
.article-refs a { color: var(--body-color); text-decoration: underline; font-size: 0.875rem; }
.article-refs a:hover { color: var(--primary); }

.sidebar { position: sticky; top: 80px; }
.sidebar-block {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}
.sidebar-block h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.05rem;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
}
.sidebar-links { list-style: none; }
.sidebar-links li { padding: 8px 0; border-bottom: 1px solid var(--hairline-soft); }
.sidebar-links li:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-links a { font-size: 0.875rem; color: var(--body-color); line-height: 1.4; }
.sidebar-links a:hover { color: var(--ink); }
.sidebar-ext-links { list-style: none; }
.sidebar-ext-links li { padding: 7px 0; border-bottom: 1px solid var(--hairline-soft); }
.sidebar-ext-links li:last-child { border-bottom: none; }
.sidebar-ext-links a { font-size: 0.8125rem; color: var(--body-color); }
.sidebar-ext-links a:hover { color: var(--primary); }

.page-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 56px;
}
.page-header h1 { margin-bottom: 12px; }
.page-header p { max-width: 600px; font-size: 1.0625rem; }

.policy-content { max-width: 780px; }
.policy-content h2 { font-size: 1.25rem; font-weight: 600; margin: 36px 0 12px; color: var(--ink); }
.policy-content p { font-size: 0.9375rem; line-height: 1.75; margin-bottom: 14px; }
.policy-content ul { margin: 0 0 16px 22px; }
.policy-content li { font-size: 0.9375rem; line-height: 1.7; margin-bottom: 6px; }
.policy-content a { color: var(--primary); text-decoration: underline; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-grid p { font-size: 0.9375rem; line-height: 1.75; margin-bottom: 14px; }

.form-wrap { max-width: 580px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  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;
  height: 44px;
  font-size: 0.9375rem;
  color: var(--ink);
  font-family: inherit;
  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); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted-soft); }
.btn-primary {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 10px 22px;
  height: 40px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
}
.btn-primary:hover { background: var(--primary-active); }
.form-msg {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-top: 14px;
  display: none;
}
.form-msg.success {
  background: #e8f5f0;
  color: var(--semantic-success);
  border: 1px solid #b3ddd0;
  display: block;
}
.form-msg.error {
  background: #fce8ed;
  color: var(--semantic-error);
  border: 1px solid #f0b3c0;
  display: block;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: var(--canvas);
  padding: 18px 24px;
  z-index: 1000;
  display: none;
}
.cookie-banner.active { display: block; }
.cookie-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cookie-text { font-size: 0.875rem; line-height: 1.55; color: var(--canvas); }
.cookie-text a { color: var(--canvas); text-decoration: underline; }
.cookie-btns { display: flex; gap: 10px; flex-shrink: 0; }
.btn-cookie-accept {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}
.btn-cookie-accept:hover { background: var(--primary-active); }
.btn-cookie-reject {
  background: transparent;
  color: var(--canvas);
  border: 1px solid rgba(247,247,244,0.35);
  border-radius: var(--radius-md);
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}
.btn-cookie-reject:hover { border-color: rgba(247,247,244,0.6); }

.footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 56px 0 36px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-logo {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  display: block;
}
.footer-logo span { color: var(--primary); }
.footer-brand p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
  max-width: 280px;
}
.footer-col h5 {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.06rem;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul li a { font-size: 0.875rem; color: var(--body-color); }
.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: 10px;
}
.footer-bottom p { font-size: 0.8125rem; color: var(--muted); }
.footer-bottom a { font-size: 0.8125rem; color: var(--muted); text-decoration: underline; }

.badge {
  display: inline-flex;
  align-items: center;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08rem;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  padding: 4px 10px;
}

@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.25rem; }
  .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: 20px 24px;
    gap: 14px;
    z-index: 99;
  }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-image { display: none; }
  .card-grid { grid-template-columns: 1fr; }
  .article-wrap { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cookie-inner { flex-direction: column; align-items: flex-start; }
  .article-hero-img { height: 240px; }
}

@media (max-width: 640px) {
  .section { padding: 48px 0; }
  .hero { padding: 40px 0 36px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}