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

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

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: 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;
  -webkit-font-smoothing: antialiased;
}

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;
}

.site-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}

.site-logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  line-height: 1.4;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
}

.nav-toggle svg {
  display: block;
}

.hero-band {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--hairline);
}

.hero-band h1 {
  font-size: 52px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.2px;
  color: var(--ink);
  max-width: 720px;
  margin-bottom: 20px;
}

.hero-band .hero-sub {
  font-size: 16px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  border-radius: var(--r-pill);
  padding: 4px 10px;
  line-height: 1.4;
}

.hero-image {
  margin-top: 48px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  max-height: 420px;
}

.hero-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: center;
}

.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;
  line-height: 1.2;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 12px;
}

.section-sub {
  font-size: 16px;
  color: var(--body);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 40px;
}

.section + .section {
  border-top: 1px solid var(--hairline);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px;
}

.feature-card .card-icon {
  font-size: 22px;
  margin-bottom: 12px;
  line-height: 1;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.article-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.article-card .card-thumb {
  height: 180px;
  overflow: hidden;
  background: var(--surface-strong);
}

.article-card .card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.article-card:hover .card-thumb img {
  transform: scale(1.03);
}

.article-card .card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card .card-cat {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.article-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 8px;
  flex: 1;
}

.article-card p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover {
  color: var(--primary-active);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding: 48px 0 80px;
}

.article-main h1 {
  font-size: 36px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.article-meta .meta-item {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-featured-img {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  margin-bottom: 32px;
}

.article-featured-img img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

.article-body {
  color: var(--body);
  font-size: 16px;
  line-height: 1.7;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin-top: 40px;
  margin-bottom: 14px;
  line-height: 1.25;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 28px;
  margin-bottom: 10px;
  line-height: 1.3;
}

.article-body p {
  margin-bottom: 18px;
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin-bottom: 18px;
}

.article-body li {
  margin-bottom: 6px;
}

.article-body strong {
  color: var(--ink);
  font-weight: 600;
}

.info-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: var(--r-md);
  padding: 20px 24px;
  margin: 24px 0;
}

.info-box p {
  margin-bottom: 0;
  font-size: 15px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.data-table th {
  background: var(--canvas-soft);
  color: var(--ink);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hairline);
}

.data-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--hairline-soft);
  color: var(--body);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.article-sidebar {
  padding-top: 4px;
}

.sidebar-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-box h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.sidebar-box ul {
  list-style: none;
  padding: 0;
}

.sidebar-box ul li {
  margin-bottom: 8px;
}

.sidebar-box ul li a {
  font-size: 14px;
  color: var(--body);
  line-height: 1.4;
}

.sidebar-box ul li a:hover {
  color: var(--primary);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline-soft);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--muted);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .sep {
  color: var(--hairline-strong);
}

.contact-section {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 40px;
  max-width: 640px;
}

.contact-section h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin-bottom: 8px;
}

.contact-section .form-desc {
  font-size: 15px;
  color: var(--body);
  margin-bottom: 28px;
}

.form-row {
  margin-bottom: 16px;
}

.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  padding: 12px 16px;
  height: 44px;
  font-size: 15px;
  color: var(--ink);
  font-family: inherit;
  transition: border-color 0.15s;
  appearance: none;
}

.form-row textarea {
  height: auto;
  min-height: 120px;
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--muted-soft);
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--r-md);
  padding: 10px 20px;
  height: 40px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s;
}

.btn-primary:hover {
  background: var(--primary-active);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-success {
  display: none;
  background: #f0faf6;
  border: 1px solid var(--semantic-success);
  border-radius: var(--r-md);
  padding: 16px 20px;
  color: var(--semantic-success);
  font-size: 15px;
  font-weight: 500;
  margin-top: 16px;
}

.page-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--hairline);
}

.page-header h1 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 16px;
  color: var(--body);
  max-width: 560px;
}

.page-content {
  padding: 48px 0 80px;
  max-width: 800px;
}

.page-content h2 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin-top: 36px;
  margin-bottom: 12px;
}

.page-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 24px;
  margin-bottom: 8px;
}

.page-content p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 16px;
}

.page-content ul,
.page-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.page-content li {
  font-size: 15px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 6px;
}

.page-content strong {
  color: var(--ink);
  font-weight: 600;
}

.updated-note {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline-soft);
}

.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 48px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .site-logo {
  display: inline-block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h5 {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.3px;
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.4;
}

.footer-col ul li a:hover {
  color: var(--ink);
}

.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--muted);
}

.footer-bottom a {
  color: var(--muted);
  font-size: 13px;
}

.footer-bottom a:hover {
  color: var(--ink);
}

.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 560px;
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  z-index: 999;
  display: none;
  box-shadow: 0 4px 24px rgba(38, 37, 30, 0.18);
}

.cookie-banner.visible {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.cookie-banner p {
  font-size: 14px;
  color: var(--canvas);
  line-height: 1.5;
  flex: 1;
}

.cookie-banner a {
  color: var(--canvas);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  flex-direction: column;
}

.btn-cookie-accept {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--r-md);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
}

.btn-cookie-reject {
  background: transparent;
  color: var(--canvas-soft);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--r-md);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
}

.disclaimer-bar {
  background: var(--canvas-soft);
  border-bottom: 1px solid var(--hairline);
  padding: 8px 0;
  text-align: center;
}

.disclaimer-bar p {
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 1024px) {
  .hero-band h1 { font-size: 42px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .article-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
}

@media (max-width: 768px) {
  .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: flex; }
  .site-nav { position: relative; }
  .hero-band h1 { font-size: 32px; letter-spacing: -0.5px; }
  .hero-image img { height: 220px; }
  .card-grid { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .hero-band { padding: 48px 0 40px; }
  .contact-section { padding: 24px; }
  .cookie-banner.visible { flex-direction: column; }
  .cookie-actions { flex-direction: row; }
  .section-title { font-size: 26px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .article-meta { gap: 10px; }
}