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

:root {
  --ink: #030303;
  --ink-soft: #1a1a1a;
  --graphite: #404040;
  --slate: #676f7b;
  --stone: #939393;
  --hairline: #e7eaf0;
  --hairline-soft: #c9ccd1;
  --surface-cool: #d0d4d4;
  --canvas: #ffffff;
  --canvas-warm: #fefefe;
  --footer: #030303;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-full: 9999px;
}

html { scroll-behavior: smooth; }

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--graphite);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 48px; }
@media (max-width: 768px) { .container { padding: 0 20px; } }

/* NAV */
.site-nav {
  background: var(--canvas);
  height: 64px;
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.site-nav .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.2px;
}
.site-nav .brand svg { flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-burger span { width: 22px; height: 2px; background: var(--ink); display: block; transition: 0.3s; }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--canvas);
  z-index: 200;
  flex-direction: column;
  padding: 24px;
}
.mobile-nav.open { display: flex; }
.mobile-nav-close {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--ink);
  padding: 4px;
}
.mobile-nav a {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
}

/* HERO */
.hero {
  padding: 96px 0 64px;
  border-bottom: 1px solid var(--hairline);
}
.hero-eyebrow {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.35px;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: 48px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -1.2px;
  color: var(--ink);
  max-width: 700px;
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 20px;
  font-weight: 400;
  color: var(--graphite);
  max-width: 560px;
  line-height: 1.4;
}
@media (max-width: 768px) {
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 32px; letter-spacing: -0.8px; }
  .hero-desc { font-size: 16px; }
}

/* SECTIONS */
.section { padding: 64px 0; }
.section-lg { padding: 96px 0; }
.section-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.9px;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1;
}
.section-eyebrow {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.35px;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 12px;
}
.divider { border: none; border-top: 1px solid var(--hairline); margin: 0; }

/* CARDS GRID */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
@media (max-width: 1024px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cards-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--canvas-warm);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--hairline-soft); }
.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--surface-cool);
}
.card-body { padding: 20px; }
.card-tag {
  font-size: 11px;
  font-weight: 450;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  color: var(--slate);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  display: inline-block;
  margin-bottom: 10px;
}
.card h3 {
  font-size: 20px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}
.card p {
  font-size: 14px;
  color: var(--graphite);
  line-height: 1.5;
}
.card-link { display: block; color: inherit; }
.card-link:hover .card h3 { color: var(--ink-soft); }

/* CATEGORIES GRID */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 32px;
}
@media (max-width: 768px) { .categories-grid { grid-template-columns: repeat(2, 1fr); } }
.cat-item {
  background: var(--canvas);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cat-item a { display: block; color: inherit; }
.cat-item a:hover .cat-name { color: var(--graphite); }
.cat-name {
  font-size: 18px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.2px;
}
.cat-count { font-size: 13px; color: var(--stone); }

/* ARTICLE PAGE */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  padding: 64px 0;
}
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .article-sidebar { order: -1; }
}
.article-header { margin-bottom: 40px; }
.article-header h1 {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -1px;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 16px;
}
.article-meta { font-size: 13px; color: var(--stone); display: flex; gap: 16px; flex-wrap: wrap; }
.article-body h2 {
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.4px;
  color: var(--ink);
  margin: 40px 0 16px;
  padding-top: 40px;
  border-top: 1px solid var(--hairline);
}
.article-body h2:first-child { border-top: none; padding-top: 0; }
.article-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 24px 0 12px;
}
.article-body p { margin-bottom: 16px; color: var(--graphite); line-height: 1.6; }
.article-body ul, .article-body ol { margin: 16px 0 16px 24px; }
.article-body li { margin-bottom: 8px; color: var(--graphite); }
.article-img {
  width: 100%;
  border-radius: var(--radius-md);
  margin: 32px 0;
  background: var(--surface-cool);
}
.article-caption { font-size: 13px; color: var(--stone); margin-top: -24px; margin-bottom: 32px; }
.article-disclaimer {
  background: var(--canvas-warm);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 20px;
  font-size: 14px;
  color: var(--slate);
  margin: 40px 0;
}

/* TOC */
.toc {
  background: var(--canvas-warm);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 32px;
}
.toc-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 12px;
}
.toc ol { padding-left: 20px; }
.toc li { margin-bottom: 6px; }
.toc a { font-size: 14px; color: var(--graphite); }
.toc a:hover { color: var(--ink); }

/* SIDEBAR */
.article-sidebar .widget {
  background: var(--canvas-warm);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
}
.widget-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 16px;
}
.widget-links { list-style: none; }
.widget-links li { border-bottom: 1px solid var(--hairline); }
.widget-links li:last-child { border-bottom: none; }
.widget-links a { display: block; padding: 10px 0; font-size: 14px; color: var(--graphite); }
.widget-links a:hover { color: var(--ink); }

/* BREADCRUMB */
.breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--stone);
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--stone); }
.breadcrumb a:hover { color: var(--graphite); }
.breadcrumb span { color: var(--hairline-soft); }

/* RELATED */
.related-section {
  padding: 48px 0;
  border-top: 1px solid var(--hairline);
  margin-top: 48px;
}
.related-section .section-eyebrow { margin-bottom: 24px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 768px) { .related-grid { grid-template-columns: 1fr; } }

/* CONTACT FORM */
.form-section { padding: 64px 0; max-width: 600px; }
.form-group { margin-bottom: 28px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--canvas);
  color: var(--ink);
  font-size: 16px;
  font-family: inherit;
  border: none;
  border-bottom: 1px solid var(--hairline-soft);
  padding: 10px 0;
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus { border-bottom-color: var(--ink); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--stone); }

.btn-primary {
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  padding: 10px 28px;
  height: 40px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.85; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.form-success {
  display: none;
  background: var(--canvas-warm);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 20px;
  font-size: 15px;
  color: var(--graphite);
}

/* POLICY PAGES */
.policy-page { padding: 64px 0; max-width: 760px; }
.policy-page h1 {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1;
}
.policy-page .policy-meta { font-size: 13px; color: var(--stone); margin-bottom: 40px; }
.policy-page h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 32px 0 12px;
}
.policy-page p { color: var(--graphite); line-height: 1.7; margin-bottom: 14px; }
.policy-page ul { margin: 12px 0 14px 24px; }
.policy-page li { color: var(--graphite); margin-bottom: 6px; line-height: 1.6; }

/* FOOTER */
.site-footer {
  background: var(--footer);
  color: #fff;
  padding: 64px 0;
  margin-top: auto;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 1024px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer-inner { grid-template-columns: 1fr; gap: 32px; } }
.footer-brand .brand-name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--stone);
  line-height: 1.6;
  margin-bottom: 8px;
}
.footer-col-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: #fff; opacity: 0.8; }
.footer-col a:hover { opacity: 1; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 48px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p { font-size: 13px; color: var(--stone); line-height: 1.5; max-width: 600px; }
.footer-copyright { font-size: 13px; color: var(--stone); white-space: nowrap; }

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink-soft);
  color: #fff;
  border-radius: 12px;
  padding: 20px 24px;
  max-width: 560px;
  width: calc(100% - 40px);
  z-index: 999;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  display: none;
}
.cookie-banner.visible { display: block; }
.cookie-banner p { font-size: 14px; line-height: 1.5; margin-bottom: 16px; color: rgba(255,255,255,0.88); }
.cookie-banner a { color: #fff; text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-cookie-accept {
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
}
.btn-cookie-reject {
  background: transparent;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
}

/* ABOUT PAGE */
.about-layout { padding: 64px 0; }
.about-lead {
  font-size: 20px;
  color: var(--graphite);
  line-height: 1.6;
  max-width: 700px;
  margin-bottom: 48px;
}
.about-disclaimer-box {
  background: var(--canvas-warm);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--hairline-soft);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.about-disclaimer-box p { font-size: 14px; color: var(--slate); line-height: 1.6; }

/* PAGE HEADER */
.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}
.page-header h1 {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -1px;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 12px;
}
.page-header p { font-size: 18px; color: var(--graphite); max-width: 600px; }