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

:root {
  --canvas: #f7f7f4;
  --canvas-soft: #fafaf7;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --primary: #4b7a2c;
  --primary-active: #3a5e22;
  --ink: #26251e;
  --body: #5a5852;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --on-primary: #ffffff;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --semantic-success: #1f8a65;
  --semantic-error: #cf2d56;
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

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

a { color: inherit; 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;
}

/* NAV */
.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;
  gap: 32px;
}
.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.nav-logo span { color: var(--primary); }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  transition: color 0.15s;
}
.nav-menu > li > a:hover { color: var(--ink); }
.has-dropdown:hover .dropdown { display: block; }
.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 8px 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.dropdown li a {
  display: block;
  padding: 9px 16px;
  font-size: 14px;
  color: var(--body);
}
.dropdown li a:hover { color: var(--ink); background: var(--canvas); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.2s;
}

/* HERO */
.hero {
  padding: 80px 0 64px;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline-soft);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.hero-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--surface-strong);
  border-radius: 9999px;
  padding: 4px 12px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 56px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--ink);
  max-width: 720px;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 16px;
  color: var(--body);
  max-width: 560px;
  margin-bottom: 16px;
  line-height: 1.6;
}
.hero-meta {
  font-size: 13px;
  color: var(--muted);
}

/* SECTION */
.section {
  padding: 80px 0;
}
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.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;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 16px;
}
.section-lead {
  font-size: 16px;
  color: var(--body);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 48px;
}

/* CARD GRID */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* FEATURE CARD */
.feature-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
}
.feature-card .card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  background: var(--surface-strong);
  color: var(--ink);
  border-radius: 9999px;
  padding: 3px 10px;
  margin-bottom: 14px;
}

/* ARTICLE CARD */
.article-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.article-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.article-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card-body .card-category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}
.article-card-body h3 {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.2px;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.3;
}
.article-card-body p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  flex: 1;
}
.article-card-body .card-meta {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--hairline-soft);
  padding-top: 12px;
}
.article-card-link {
  display: block;
  color: inherit;
}
.article-card-link:hover .article-card { border-color: var(--hairline-strong); }

/* ARTICLE PAGE */
.article-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline-soft);
}
.article-hero-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}
.article-hero .breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}
.article-hero .breadcrumb a { color: var(--muted); }
.article-hero .breadcrumb a:hover { color: var(--ink); }
.article-hero .article-category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}
.article-hero h1 {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.8px;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 20px;
}
.article-hero .article-meta {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.article-body {
  padding: 48px 0 80px;
}
.article-body-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.3px;
  color: var(--ink);
  margin: 40px 0 16px;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 12px;
}
.article-body p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 16px;
}
.article-body ul, .article-body ol {
  padding-left: 20px;
  margin-bottom: 16px;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 6px;
}
.article-body figure {
  margin: 32px 0;
}
.article-body figure img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--hairline);
}
.article-body figcaption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.4;
}
.article-body .info-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
  margin: 28px 0;
}
.article-body .info-box h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.article-body .info-box p, .article-body .info-box li {
  font-size: 14px;
}
.article-body .ref-list {
  border-top: 1px solid var(--hairline);
  margin-top: 48px;
  padding-top: 24px;
}
.article-body .ref-list h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 12px;
}
.article-body .ref-list li {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.article-body .ref-list a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

/* DATA TABLE */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 24px 0;
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
}
.data-table th {
  background: var(--canvas);
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline);
}
.data-table td {
  padding: 12px 16px;
  color: var(--body);
  border-bottom: 1px solid var(--hairline-soft);
}
.data-table tr:last-child td { border-bottom: none; }

/* INFO BAND */
.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;
}

/* FORM */
.contact-section {
  padding: 80px 0;
  background: var(--canvas);
}
.contact-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
}
.contact-inner h2 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 12px;
}
.contact-inner > p {
  font-size: 16px;
  color: var(--body);
  margin-bottom: 40px;
}
.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);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 16px;
  font-family: var(--font-sans);
  color: var(--ink);
  height: 44px;
  transition: border-color 0.15s;
  outline: none;
}
.form-group textarea {
  height: auto;
  min-height: 120px;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted-soft);
}
.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: 8px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  height: 44px;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.form-status {
  margin-top: 16px;
  font-size: 14px;
  color: var(--semantic-success);
  display: none;
}
.form-status.visible { display: block; }
.form-status.error { color: var(--semantic-error); }

/* PAGE CONTENT */
.page-hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--hairline-soft);
}
.page-hero-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}
.page-hero h1 {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.8px;
  color: var(--ink);
  margin-bottom: 16px;
}
.page-hero p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
}
.page-body {
  padding: 48px 0 80px;
}
.page-body-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}
.page-body h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin: 32px 0 12px;
}
.page-body p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 16px;
}
.page-body ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 16px;
}
.page-body li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 6px;
}
.page-updated {
  font-size: 13px;
  color: var(--muted);
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline-soft);
}

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 560px;
  background: var(--ink);
  color: var(--canvas);
  border-radius: 12px;
  padding: 20px 24px;
  z-index: 999;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.cookie-banner.hidden { display: none; }
.cookie-text { flex: 1; }
.cookie-text p {
  font-size: 14px;
  line-height: 1.5;
  color: #ccc;
}
.cookie-text a { color: #fff; text-decoration: underline; }
.cookie-buttons {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  margin-top: 2px;
}
.cookie-btn-accept {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}
.cookie-btn-reject {
  background: transparent;
  color: #ccc;
  border: 1px solid #555;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}
.cookie-btn-accept:hover { background: var(--primary-active); }
.cookie-btn-reject:hover { border-color: #888; color: #fff; }

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

/* FOOTER */
.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;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  display: block;
  margin-bottom: 12px;
}
.footer-brand span { color: var(--primary); }
.footer-col p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  max-width: 240px;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ink);
  margin-bottom: 14px;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.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 {
  border-top: 1px solid var(--hairline);
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--muted);
}
.footer-disclaimer { font-style: italic; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 36px; letter-spacing: -0.8px; }
  .section-title { font-size: 28px; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 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 0; }
  .nav-menu.open { display: flex; }
  .nav-menu > li > a { padding: 12px 24px; }
  .has-dropdown:hover .dropdown { display: none; }
  .nav-menu .dropdown { display: block; position: static; border: none; box-shadow: none; background: var(--canvas-soft); border-radius: 0; padding: 0; }
  .dropdown li a { padding: 10px 40px; }
  .nav-toggle { display: flex; }
  .site-nav { position: sticky; }
  .article-hero h1 { font-size: 28px; }
  .page-hero h1 { font-size: 28px; }
  .cookie-banner { flex-direction: column; }
}

@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
  .section { padding: 48px 0; }
}