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

:root {
  --canvas: #f7f7f4;
  --canvas-soft: #fafaf7;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --ink: #26251e;
  --body: #5a5852;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --primary: #f54e00;
  --primary-active: #d04200;
  --on-primary: #ffffff;
  --success: #1f8a65;
  --error: #cf2d56;
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--canvas);
  color: var(--body);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.site-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.2px;
}
.logo-dot { color: var(--primary); }
.nav-menu {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-menu a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  line-height: 1.4;
  transition: color 0.15s;
}
.nav-menu a:hover { color: var(--ink); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.2s;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--hairline);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.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: 780px;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  color: var(--body);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.6;
}
.hero-meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 32px;
  border-top: 1px solid var(--hairline-soft);
  padding-top: 20px;
}

.articles-grid {
  padding: 80px 0;
}
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 24px;
}
.section-title {
  font-size: 36px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.72px;
  line-height: 1.2;
  margin-bottom: 48px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--hairline-strong); }
.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 10px;
}
.card-excerpt {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  flex: 1;
}
.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--hairline-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-date {
  font-size: 13px;
  color: var(--muted);
}
.card-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
}
.card-link:hover { color: var(--primary-active); }

.info-band {
  background: var(--surface-card);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 64px 0;
}
.info-band-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.info-band-img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.info-band h2 {
  font-size: 36px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.72px;
  line-height: 1.2;
  margin-bottom: 16px;
}
.info-band p {
  color: var(--body);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 12px;
}

.article-page {
  padding: 64px 0 80px;
}
.article-header {
  max-width: 760px;
  margin: 0 auto 48px;
  padding: 0 24px;
}
.article-header .hero-label { margin-bottom: 20px; }
.article-header h1 {
  font-size: 42px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 16px;
}
.article-header .article-desc {
  font-size: 18px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 20px;
}
.article-meta {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.article-hero-img {
  max-width: 900px;
  margin: 0 auto 48px;
  padding: 0 24px;
}
.article-hero-img img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  aspect-ratio: 16/7;
  object-fit: cover;
}
.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.325px;
  margin: 40px 0 16px;
  line-height: 1.25;
}
.article-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 12px;
}
.article-body p {
  color: var(--body);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 16px;
}
.article-body ul, .article-body ol {
  padding-left: 20px;
  margin-bottom: 16px;
  list-style: disc;
}
.article-body li {
  color: var(--body);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 6px;
}
.article-body a { color: var(--primary); }
.article-body a:hover { color: var(--primary-active); text-decoration: underline; }

.info-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  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 {
  margin-bottom: 8px;
}
.info-box ul {
  list-style: disc;
  padding-left: 18px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.data-table th {
  background: var(--canvas);
  color: var(--ink);
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline-strong);
}
.data-table td {
  color: var(--body);
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline-soft);
  vertical-align: top;
}
.data-table tr:last-child td { border-bottom: none; }

.sources-block {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 24px 0 0;
  margin-top: 48px;
}
.sources-block p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.sources-block a { color: var(--primary); font-size: 13px; }

.related-articles {
  padding: 64px 0;
  border-top: 1px solid var(--hairline);
}

.page-header {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--hairline);
}
.page-body {
  max-width: 760px;
  margin: 48px auto 80px;
  padding: 0 24px;
}
.page-body h2 {
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.11px;
  margin: 32px 0 12px;
}
.page-body p {
  color: var(--body);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 14px;
}
.page-body ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 14px;
}
.page-body li {
  color: var(--body);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 6px;
}

.contact-form {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 32px;
  margin-top: 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);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 12px 16px;
  height: 44px;
  font-size: 16px;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--ink);
}
.form-group textarea {
  height: auto;
  min-height: 120px;
  resize: vertical;
}
.form-group .field-error {
  font-size: 13px;
  color: var(--error);
  margin-top: 4px;
  display: none;
}
.form-group.has-error .field-error { display: block; }
.form-group.has-error input,
.form-group.has-error textarea {
  border-color: var(--error);
}
.form-msg {
  display: none;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-top: 16px;
}
.form-msg.success {
  background: #edfaf5;
  color: var(--success);
  border: 1px solid #b2e5d4;
}
.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  height: 40px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-secondary {
  background: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 10px 18px;
  height: 40px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: border-color 0.15s;
}
.btn-secondary:hover { border-color: var(--ink); }

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: var(--canvas);
  z-index: 200;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cookie-inner p {
  font-size: 14px;
  color: var(--canvas);
  flex: 1;
}
.cookie-btns {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
.cookie-btns .btn-secondary {
  background: transparent;
  color: var(--canvas);
  border-color: rgba(255,255,255,0.3);
}
.cookie-btns .btn-secondary:hover { border-color: var(--canvas); }

.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  display: block;
  margin-bottom: 8px;
}
.footer-tagline {
  font-size: 14px;
  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);
  display: block;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--body);
  transition: color 0.15s;
}
.footer-col ul li a:hover { color: var(--ink); }
.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--muted);
}

.disclaimer {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 13px;
  color: var(--muted);
  margin: 32px 0;
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .info-band-inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 36px; letter-spacing: -0.8px; }
  .section-title { font-size: 28px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px 24px;
    gap: 16px;
  }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: flex; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .article-header h1 { font-size: 30px; }
  .cookie-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 28px; }
  .articles-grid { padding: 48px 0; }
  .contact-form { padding: 20px; }
}