/* ═══════════════════════════════════════════════
   PIA VPN — Digital Obsidian Design System
   Production website — piavpn.org
   ═══════════════════════════════════════════════ */

/* ── Tokens ── */
:root {
  /* Surfaces */
  --bg: #131313;
  --surface-low: #1C1B1B;
  --surface: #201F1F;
  --surface-high: #2A2A2A;
  --surface-highest: #353534;

  /* Primary — emerald */
  --primary: #3CE36A;
  --primary-dim: #69FF87;
  --primary-container: #00AA45;
  --on-primary: #003912;

  /* Text */
  --on-surface: #E5E2E1;
  --on-surface-variant: #BCCABE;
  --on-surface-muted: #869489;

  /* Accents */
  --secondary: #91D78A;
  --outline-variant: #3D4A41;
  --error: #FFB4AB;

  /* Radius */
  --r-sm: 0.5rem;
  --r-md: 0.75rem;
  --r-lg: 1rem;
  --r-xl: 1.5rem;
  --r-2xl: 2rem;
  --r-full: 9999px;

  /* Layout */
  --max-w: 1200px;
  --nav-h: 72px;

  /* Transition */
  --t: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--on-surface);
  line-height: 1.55;
  font-size: 16px;
  min-height: 100vh;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: rgba(60, 227, 106, 0.3); }

h1, h2, h3, h4, h5, h6, .font-display {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  letter-spacing: -0.025em;
  line-height: 1.1;
  font-weight: 700;
}

/* ── Layout ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Nav ── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(19, 19, 19, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(61, 74, 65, 0.2);
}
.nav-inner {
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem; font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.03em;
  display: inline-flex; align-items: center; gap: 8px;
}
.nav-logo-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--on-primary);
  box-shadow: 0 0 20px rgba(60, 227, 106, 0.3);
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-link {
  color: var(--on-surface-muted);
  font-size: 0.95rem; font-weight: 500;
  transition: color var(--t);
  padding: 4px 0;
  position: relative;
}
.nav-link:hover { color: var(--on-surface); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--primary); border-radius: var(--r-full);
}

.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px; border-radius: var(--r-sm);
  align-items: center; justify-content: center;
  color: var(--on-surface);
}
.nav-toggle:hover { background: var(--surface-high); }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 8px;
    position: absolute; top: var(--nav-h); left: 16px; right: 16px;
    background: var(--surface); border: 1px solid rgba(61, 74, 65, 0.2);
    border-radius: var(--r-lg); padding: 16px;
  }
  .nav-links.open .nav-link { padding: 10px 12px; border-radius: var(--r-sm); width: 100%; }
  .nav-links.open .nav-link:hover { background: var(--surface-high); }
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px;
  border-radius: var(--r-full);
  font-weight: 600; font-size: 0.95rem;
  transition: all var(--t);
  white-space: nowrap;
  line-height: 1;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: var(--on-primary);
  box-shadow: 0 0 32px rgba(60, 227, 106, 0.2);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 48px rgba(60, 227, 106, 0.35); }
.btn-primary:active { transform: scale(0.98); }

.btn-ghost {
  background: var(--surface-highest);
  color: var(--on-surface);
  border: 1px solid rgba(61, 74, 65, 0.3);
}
.btn-ghost:hover { background: var(--surface-high); border-color: rgba(61, 74, 65, 0.6); }

.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--r-md); }

/* ── Hero ── */
.hero {
  position: relative;
  padding: 96px 0 128px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -400px; left: 50%; transform: translateX(-50%);
  width: 1200px; height: 900px;
  background: radial-gradient(circle, rgba(60, 227, 106, 0.1) 0%, transparent 60%);
  pointer-events: none; z-index: 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative; z-index: 1;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding: 64px 0 80px; }
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
}
.hero-title .accent { color: var(--primary); }
.hero-sub {
  color: var(--on-surface-variant);
  font-size: 1.15rem;
  line-height: 1.6;
  max-width: 520px;
  margin-bottom: 40px;
  font-weight: 300;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-guarantee {
  margin-top: 32px;
  display: flex; align-items: center; gap: 10px;
  color: var(--on-surface-variant);
  font-size: 0.9rem;
}
.hero-guarantee svg { color: var(--primary); }

.hero-visual {
  position: relative;
  border-radius: var(--r-2xl);
  padding: 16px;
  background: var(--surface);
  border: 1px solid rgba(61, 74, 65, 0.2);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
}
.hero-visual::before {
  content: '';
  position: absolute; inset: -4px;
  background: radial-gradient(circle at 50% 50%, rgba(60, 227, 106, 0.2), transparent 70%);
  filter: blur(60px);
  z-index: -1;
  border-radius: var(--r-2xl);
}
.mockup {
  background: var(--bg);
  border-radius: var(--r-xl);
  padding: 24px;
  font-family: 'Inter', sans-serif;
}
.mockup-head {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(61, 74, 65, 0.2);
}
.mockup-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; letter-spacing: 0.1em;
  font-size: 0.85rem;
  color: var(--on-surface);
}
.mockup-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  transition: background var(--t);
}
.mockup-row + .mockup-row { margin-top: 4px; }
.mockup-row:hover { background: var(--surface-high); }
.mockup-row.active {
  background: rgba(60, 227, 106, 0.08);
  color: var(--primary);
}
.mockup-row-flag { display: flex; align-items: center; gap: 12px; }
.mockup-flag {
  width: 28px; height: 20px; border-radius: 4px;
  background: var(--surface-highest);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 600;
  color: var(--on-surface-variant);
}
.mockup-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary);
  animation: breathe 2s ease-in-out infinite;
}
@keyframes breathe { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }

/* ── Trust bar ── */
.trust {
  background: var(--surface-low);
  border-top: 1px solid rgba(61, 74, 65, 0.15);
  border-bottom: 1px solid rgba(61, 74, 65, 0.15);
  padding: 48px 0;
}
.trust-label {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--on-surface-muted);
  margin-bottom: 28px;
}
.trust-logos {
  display: flex; flex-wrap: wrap; justify-content: center;
  align-items: center;
  gap: 48px;
  opacity: 0.55;
  transition: opacity var(--t);
}
.trust-logos:hover { opacity: 0.85; }
.trust-logos span {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--on-surface);
}

/* ── Sections ── */
.section {
  padding: 96px 0;
}
.section-head {
  text-align: center;
  margin-bottom: 64px;
}
.section-kicker {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
  padding: 6px 14px;
  background: rgba(60, 227, 106, 0.08);
  border-radius: var(--r-full);
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 16px;
}
.section-sub {
  color: var(--on-surface-variant);
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ── Feature grid ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr; } }

.feature {
  background: var(--surface);
  padding: 36px;
  border-radius: var(--r-2xl);
  transition: background var(--t), transform var(--t);
}
.feature:hover { background: var(--surface-high); transform: translateY(-2px); }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: var(--r-lg);
  background: rgba(60, 227, 106, 0.1);
  color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  transition: transform var(--t);
}
.feature:hover .feature-icon { transform: scale(1.1); }
.feature h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}
.feature p {
  color: var(--on-surface-variant);
  line-height: 1.6;
  margin-bottom: 20px;
}
.feature-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: inline-flex; align-items: center; gap: 6px;
}
.feature-link::after { content: '→'; transition: transform var(--t); }
.feature-link:hover::after { transform: translateX(4px); }

/* ── Devices section ── */
.devices {
  background: var(--surface-low);
  padding: 96px 0;
}
.devices-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) {
  .devices-grid { grid-template-columns: 1fr; gap: 32px; }
}
.device-list {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin-top: 32px;
}
.device-item {
  background: var(--surface);
  padding: 14px 18px;
  border-radius: var(--r-md);
  display: flex; align-items: center; gap: 12px;
  font-weight: 500;
  transition: background var(--t);
}
.device-item:hover { background: var(--surface-high); }
.device-item svg { color: var(--primary); flex-shrink: 0; }
.devices-visual {
  background: linear-gradient(135deg, #0D4B30 0%, #0A2E1E 100%);
  border-radius: var(--r-2xl);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.devices-visual::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(60, 227, 106, 0.15), transparent 60%);
  pointer-events: none;
}
.devices-visual h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}

/* ── Pricing ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; } }

.price-card {
  background: var(--surface);
  padding: 36px 32px;
  border-radius: var(--r-2xl);
  position: relative;
  transition: background var(--t), transform var(--t);
}
.price-card.featured {
  background: linear-gradient(180deg, rgba(60, 227, 106, 0.08), var(--surface) 80%);
  border: 1px solid rgba(60, 227, 106, 0.25);
  transform: scale(1.02);
}
.price-card:hover { transform: translateY(-2px); }
.price-card.featured:hover { transform: scale(1.02) translateY(-2px); }
.price-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--primary);
  color: var(--on-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--r-full);
}
.price-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  margin-bottom: 4px;
}
.price-term { color: var(--on-surface-muted); font-size: 0.85rem; margin-bottom: 24px; }
.price-amount {
  display: flex; align-items: baseline; gap: 6px;
  margin-bottom: 8px;
}
.price-amount .cur { font-size: 1.4rem; color: var(--on-surface-variant); }
.price-amount .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3.2rem; font-weight: 700;
  letter-spacing: -0.04em;
}
.price-amount .per { color: var(--on-surface-muted); font-size: 0.9rem; }
.price-old {
  color: var(--on-surface-muted);
  text-decoration: line-through;
  font-size: 0.9rem;
  margin-bottom: 24px;
}
.price-features { list-style: none; margin: 24px 0 32px; }
.price-features li {
  padding: 10px 0;
  display: flex; align-items: flex-start; gap: 10px;
  color: var(--on-surface-variant);
  font-size: 0.95rem;
  border-top: 1px solid rgba(61, 74, 65, 0.15);
}
.price-features li:first-child { border-top: none; }
.price-features svg { color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.price-btn {
  width: 100%;
}

/* ── Stats ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 800px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat {
  background: var(--surface);
  border-radius: var(--r-xl);
  padding: 28px;
  text-align: center;
}
.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { color: var(--on-surface-variant); font-size: 0.88rem; }

/* ── CTA ── */
.cta {
  padding: 80px 0;
}
.cta-card {
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-low) 100%);
  border: 1px solid rgba(60, 227, 106, 0.15);
  border-radius: var(--r-2xl);
  padding: 72px 48px;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(60, 227, 106, 0.15), transparent 60%);
  pointer-events: none;
}
.cta-card h2 { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: 16px; }
.cta-card p {
  color: var(--on-surface-variant);
  max-width: 520px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
  line-height: 1.6;
}
.cta-card .btn { position: relative; z-index: 1; }
.cta-small {
  margin-top: 20px;
  color: var(--on-surface-muted);
  font-size: 0.85rem;
}

/* ── Footer ── */
.footer {
  background: var(--bg);
  border-top: 1px solid rgba(61, 74, 65, 0.15);
  padding: 72px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p {
  color: var(--on-surface-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 280px;
}
.footer h5 {
  font-family: 'Inter', sans-serif;
  font-weight: 600; font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--on-surface);
  margin-bottom: 20px;
}
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 12px; }
.footer ul a {
  color: var(--on-surface-muted);
  font-size: 0.9rem;
  transition: color var(--t);
}
.footer ul a:hover { color: var(--primary); }

.footer-bottom {
  border-top: 1px solid rgba(61, 74, 65, 0.15);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  color: var(--on-surface-muted);
  font-size: 0.85rem;
  flex-wrap: wrap; gap: 16px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  background: var(--surface);
  display: inline-flex; align-items: center; justify-content: center;
  transition: all var(--t);
}
.footer-social a:hover { background: var(--surface-high); color: var(--primary); }

/* ══════════════ Page-specific ══════════════ */

/* Page hero (non-home) */
.page-hero {
  padding: 80px 0 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 500px;
  background: radial-gradient(circle, rgba(60, 227, 106, 0.08) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  margin-bottom: 16px;
  position: relative;
}
.page-hero p {
  color: var(--on-surface-variant);
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.6;
  position: relative;
}

/* ── Servers grid (network page) ── */
.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.region {
  background: var(--surface);
  padding: 20px;
  border-radius: var(--r-lg);
  transition: background var(--t);
}
.region:hover { background: var(--surface-high); }
.region-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.region-flag {
  width: 40px; height: 28px;
  border-radius: 6px;
  background: var(--surface-highest);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}
.region-name { font-weight: 600; font-size: 0.95rem; }
.region-meta {
  color: var(--on-surface-muted);
  font-size: 0.82rem;
  display: flex; justify-content: space-between;
}

/* ── Download cards ── */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.download-card {
  background: var(--surface);
  padding: 36px;
  border-radius: var(--r-xl);
  text-align: center;
  transition: all var(--t);
}
.download-card:hover { background: var(--surface-high); transform: translateY(-2px); }
.download-card .feature-icon { margin: 0 auto 20px; }
.download-card h3 { font-size: 1.25rem; margin-bottom: 8px; }
.download-card p { color: var(--on-surface-muted); font-size: 0.88rem; margin-bottom: 20px; }

/* ── Blog ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.blog-card {
  background: var(--surface);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: all var(--t);
  display: flex; flex-direction: column;
}
.blog-card:hover { background: var(--surface-high); transform: translateY(-4px); }
.blog-thumb {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--surface-highest), var(--surface));
  position: relative;
  overflow: hidden;
}
.blog-thumb::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(60, 227, 106, 0.1), transparent 60%);
}
.blog-thumb svg {
  position: absolute; inset: 0; margin: auto;
  color: var(--primary); opacity: 0.3;
  width: 80px; height: 80px;
}
.blog-body {
  padding: 24px;
  flex: 1;
  display: flex; flex-direction: column;
}
.blog-tag {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
}
.blog-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  line-height: 1.3;
}
.blog-card p {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
  line-height: 1.55;
  flex: 1;
  margin-bottom: 16px;
}
.blog-meta {
  display: flex; justify-content: space-between;
  color: var(--on-surface-muted);
  font-size: 0.78rem;
  padding-top: 16px;
  border-top: 1px solid rgba(61, 74, 65, 0.15);
}

/* Blog post article */
.article {
  max-width: 740px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}
.article-head {
  text-align: center;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(61, 74, 65, 0.2);
}
.article-head .blog-tag { margin-bottom: 16px; }
.article-head h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 24px;
}
.article-meta {
  display: flex; justify-content: center; align-items: center;
  gap: 16px;
  color: var(--on-surface-muted);
  font-size: 0.88rem;
}
.article-meta span + span::before {
  content: '•'; margin-right: 16px;
}
.article-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--on-surface-variant);
}
.article-body h2 {
  font-size: 1.75rem;
  color: var(--on-surface);
  margin: 40px 0 16px;
}
.article-body h3 {
  font-size: 1.35rem;
  color: var(--on-surface);
  margin: 32px 0 12px;
}
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol { margin: 0 0 20px 24px; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--primary); border-bottom: 1px dashed rgba(60, 227, 106, 0.5); }
.article-body a:hover { border-bottom-style: solid; }
.article-body code {
  background: var(--surface);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  color: var(--primary);
}
.article-body blockquote {
  border-left: 3px solid var(--primary);
  padding: 8px 0 8px 24px;
  margin: 24px 0;
  color: var(--on-surface);
  font-style: italic;
}

/* ── Legal / Terms / Privacy ── */
.legal {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 24px 96px;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--on-surface-variant);
}
.legal h1 {
  font-size: 2.5rem;
  color: var(--on-surface);
  margin-bottom: 8px;
}
.legal .updated {
  color: var(--on-surface-muted);
  font-size: 0.88rem;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(61, 74, 65, 0.2);
}
.legal h2 {
  color: var(--on-surface);
  font-size: 1.4rem;
  margin: 40px 0 16px;
}
.legal h3 {
  color: var(--on-surface);
  font-size: 1.15rem;
  margin: 28px 0 12px;
}
.legal p { margin-bottom: 16px; }
.legal ul, .legal ol { margin: 12px 0 20px 24px; }
.legal li { margin-bottom: 8px; }
.legal a { color: var(--primary); }
.legal a:hover { text-decoration: underline; }

/* ── 404 ── */
.err-page {
  display: flex; align-items: center; justify-content: center;
  min-height: calc(100vh - var(--nav-h) - 200px);
  text-align: center;
  padding: 64px 24px;
}
.err-page h1 {
  font-size: clamp(6rem, 14vw, 10rem);
  color: var(--primary);
  letter-spacing: -0.05em;
  margin-bottom: 0;
}
.err-page h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}
.err-page p {
  color: var(--on-surface-variant);
  margin-bottom: 32px;
  max-width: 480px;
}

/* ── Utility ── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-lg { margin-top: 32px; }