:root {
  --bg: #08111f;
  --bg-2: #0f1b2d;
  --surface: rgba(15, 23, 42, 0.78);
  --surface-2: rgba(255, 255, 255, 0.06);
  --surface-solid: #0f172a;
  --text: #eef2ff;
  --muted: #a9b4cb;
  --line: rgba(255, 255, 255, 0.1);
  --blue: #7dd3fc;
  --indigo: #818cf8;
  --teal: #2dd4bf;
  --warm: #c08a62;
  --cream: #f7f1e8;
  --success: #86efac;
  --shadow: 0 24px 80px rgba(2, 8, 23, 0.45);
  --radius: 24px;
  --radius-sm: 18px;
  --max: 1180px;

  --blog-bg: #050505;
  --blog-bg-2: #0b0b0b;
  --blog-surface: rgba(10, 10, 10, 0.96);
  --blog-surface-2: rgba(255, 255, 255, 0.03);
  --blog-text: #f2f2f2;
  --blog-muted: #a3a3a3;
  --blog-line: rgba(255, 255, 255, 0.14);
  --blog-accent: #d4d4d4;
  --blog-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  --blog-radius: 0px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(129,140,248,0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(45,212,191,0.15), transparent 22%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--teal); }
img { max-width: 100%; display: block; }

.shell { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(8, 17, 31, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px; font-weight: 700; color: var(--text);
}
.brand img {
  width: 44px; height: 44px; border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
}
.nav-links { display: flex; gap: 18px; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-weight: 600; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.hero {
  padding: 72px 0 36px;
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.9fr);
  gap: 28px; align-items: center;
}
.eyebrow {
  display: inline-flex; gap: 10px; align-items: center;
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid rgba(125,211,252,0.22);
  background: rgba(125,211,252,0.08);
  color: var(--blue); font-weight: 700; font-size: 0.88rem; letter-spacing: .02em;
}
.hero h1 {
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  line-height: 1.02; letter-spacing: -0.04em;
  margin: 18px 0 16px;
}
.hero p.lead {
  font-size: 1.12rem; color: var(--muted); max-width: 720px; margin: 0 0 24px;
}
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 22px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 20px; border-radius: 14px; font-weight: 700;
  border: 1px solid transparent; transition: .2s ease;
}
.button.primary {
  color: #07111e; background: linear-gradient(135deg, var(--blue), var(--teal));
  box-shadow: 0 16px 40px rgba(45,212,191,0.18);
}
.button.secondary {
  color: var(--text); background: rgba(255,255,255,0.04); border-color: var(--line);
}
.button:hover { transform: translateY(-1px); }
.hero-card, .card, .stat, .section-panel {
  border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); border-radius: var(--radius);
}
.hero-card { padding: 24px; }
.hero-card img {
  width: 100%; max-width: 280px; margin: 0 auto 18px;
  border-radius: 28px;
}
.hero-card h3 { margin: 0 0 8px; font-size: 1.2rem; }
.hero-card p { margin: 0; color: var(--muted); }

.section { padding: 28px 0; }
.section-header { display: flex; justify-content: space-between; gap: 18px; align-items: end; margin-bottom: 18px; }
.section-header h2 { margin: 0; font-size: clamp(1.6rem, 2vw, 2.2rem); letter-spacing: -0.03em; }
.section-header p { margin: 0; max-width: 720px; color: var(--muted); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { padding: 18px; }
.stat .value { font-size: 1.9rem; font-weight: 800; letter-spacing: -0.03em; }
.stat .label { color: var(--muted); font-size: .95rem; }

.grid-3, .grid-2 { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.card { padding: 24px; }
.card h3 { margin: 0 0 8px; font-size: 1.22rem; }
.card p { color: var(--muted); margin: 0 0 14px; }
.kicker { color: var(--teal); font-weight: 700; font-size: .88rem; text-transform: uppercase; letter-spacing: .08em; }
.meta { color: var(--muted); font-size: .92rem; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.tag {
  padding: 6px 10px; border-radius: 999px; background: rgba(129,140,248,0.12);
  border: 1px solid rgba(129,140,248,0.18); color: #dbe4ff; font-size: .82rem; font-weight: 600;
}
.case-list { margin: 14px 0 0; padding-left: 18px; color: var(--muted); }
.case-list li { margin-bottom: 7px; }

.feature {
  display: grid; grid-template-columns: minmax(0,1.1fr) minmax(280px,.9fr); gap: 18px;
}
.feature .section-panel { padding: 24px; }
.quote {
  padding: 22px; border-left: 4px solid var(--teal); background: rgba(255,255,255,0.04); border-radius: 16px; color: var(--cream);
}
.quote p { margin: 0; font-size: 1.04rem; }

.list-clean { list-style: none; padding: 0; margin: 0; }
.list-clean li { padding: 12px 0; border-top: 1px solid var(--line); }
.list-clean li:first-child { border-top: 0; }

.footer {
  padding: 34px 0 60px; color: var(--muted); font-size: 0.95rem;
}
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 18px; }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--text); }

.article-list .card { padding: 20px 22px; }
.article-list h3 { margin-bottom: 6px; }
.small { font-size: .92rem; color: var(--muted); }
.notice {
  padding: 14px 16px; border-radius: 14px; border: 1px solid rgba(192,138,98,.25);
  background: rgba(192,138,98,.08); color: #f9dec7;
}

.article-shell {
  padding: 44px 0 28px;
}
.article-hero {
  padding: 28px 0 18px;
}
.article-hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1.08;
  margin: 14px 0 10px;
  letter-spacing: -0.035em;
}
.article-meta {
  color: var(--muted);
  font-size: 0.95rem;
}
.prose {
  border: 1px solid var(--line);
  background: rgba(248, 250, 252, 0.98);
  color: #172033;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px;
}
.prose h2, .prose h3, .prose h4 {
  color: #16213a;
  letter-spacing: -0.02em;
}
.prose h2 {
  font-size: 1.65rem;
  margin-top: 2.2rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid rgba(129,140,248,.18);
}
.prose h3 {
  font-size: 1.2rem;
  margin-top: 1.5rem;
  margin-bottom: 0.7rem;
}
.prose p, .prose li {
  color: #334155;
  line-height: 1.8;
}
.prose a { color: #4338ca; }
.prose a:hover { color: #0f766e; }
.prose .highlight-box, .prose blockquote {
  background: linear-gradient(135deg, rgba(129,140,248,.09), rgba(45,212,191,.08));
  border-left: 4px solid var(--indigo);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 1.3rem 0;
}
.prose code {
  background: rgba(15,23,42,.06);
  color: #7c2d12;
  padding: 0.18rem 0.42rem;
  border-radius: 6px;
}
.prose pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 16px;
  border-radius: 14px;
  overflow: auto;
}
.prose .tag-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(15,23,42,.08);
}
.prose .tag {
  background: rgba(129,140,248,0.12);
  color: #3730a3;
  border: 1px solid rgba(129,140,248,.18);
}
.back-link-inline {
  color: var(--muted);
  font-weight: 600;
}
.back-link-inline:hover { color: var(--text); }

body.blog-theme {
  background:
    linear-gradient(180deg, var(--blog-bg) 0%, var(--blog-bg-2) 100%);
  color: var(--blog-text);
  position: relative;
  overflow-x: hidden;
}

body.blog-theme::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5,5,5,0.58) 0%, rgba(5,5,5,0.72) 100%),
    url('/public/assets/mhue-cow-lineart.svg') center 180px / min(82vw, 900px) auto no-repeat;
  opacity: 0.24;
  z-index: 0;
}

body.blog-theme > * {
  position: relative;
  z-index: 1;
}

body.blog-theme a {
  color: var(--blog-text);
}

body.blog-theme a:hover {
  color: #ffffff;
}

body.blog-theme .topbar {
  background: rgba(0, 0, 0, 0.84);
  border-bottom: 1px solid var(--blog-line);
  backdrop-filter: blur(10px);
}

body.blog-theme .brand,
body.blog-theme .nav-links a:hover,
body.blog-theme .nav-links a.active,
body.blog-theme .hero h1,
body.blog-theme .section-header h2,
body.blog-theme .article-hero h1,
body.blog-theme .card h3,
body.blog-theme .prose h2,
body.blog-theme .prose h3,
body.blog-theme .prose h4 {
  color: var(--blog-text);
}

body.blog-theme .nav-links a,
body.blog-theme .hero p.lead,
body.blog-theme .section-header p,
body.blog-theme .card p,
body.blog-theme .meta,
body.blog-theme .article-meta,
body.blog-theme .small,
body.blog-theme .footer,
body.blog-theme .footer a,
body.blog-theme .prose p,
body.blog-theme .prose li,
body.blog-theme .back-link-inline {
  color: var(--blog-muted);
}

body.blog-theme .brand img {
  border-radius: 0;
  background: #111;
  border: 1px solid var(--blog-line);
}

body.blog-theme .eyebrow,
body.blog-theme .tag,
body.blog-theme .prose .tag {
  border-radius: 0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--blog-line);
  color: var(--blog-accent);
}

body.blog-theme .hero-card,
body.blog-theme .card,
body.blog-theme .stat,
body.blog-theme .section-panel,
body.blog-theme .prose {
  border-radius: var(--blog-radius);
  background: var(--blog-surface);
  border: 1px solid var(--blog-line);
  box-shadow: var(--blog-shadow);
}

body.blog-theme .article-list .card,
body.blog-theme .grid-3 .card,
body.blog-theme .prose,
body.blog-theme .hero-card {
  backdrop-filter: blur(3px);
}

body.blog-theme .card,
body.blog-theme .article-list .card,
body.blog-theme .prose,
body.blog-theme .hero-card,
body.blog-theme .quote,
body.blog-theme .notice,
body.blog-theme .button,
body.blog-theme .tag,
body.blog-theme .eyebrow {
  border-radius: 0;
}

body.blog-theme .kicker {
  color: #d4d4d4;
}

body.blog-theme .quote,
body.blog-theme .prose .highlight-box,
body.blog-theme .prose blockquote,
body.blog-theme .notice {
  background: rgba(255, 255, 255, 0.025);
  color: var(--blog-text);
  border-left: 3px solid rgba(255, 255, 255, 0.28);
  border-top: 1px solid var(--blog-line);
  border-right: 1px solid var(--blog-line);
  border-bottom: 1px solid var(--blog-line);
}

body.blog-theme .prose {
  color: var(--blog-text);
}

body.blog-theme .prose h2 {
  border-bottom: 1px solid var(--blog-line);
}

body.blog-theme .prose a {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 0.16em;
}

body.blog-theme .prose a:hover {
  color: #d4d4d4;
}

body.blog-theme .prose code {
  background: rgba(255,255,255,0.06);
  color: #f5f5f5;
  border-radius: 0;
}

body.blog-theme .prose pre {
  background: #000;
  border: 1px solid var(--blog-line);
  border-radius: 0;
}

body.blog-theme .list-clean li,
body.blog-theme .prose .tag-list {
  border-top-color: var(--blog-line);
}

body.blog-theme .footer a:hover,
body.blog-theme .back-link-inline:hover {
  color: #fff;
}

@media (max-width: 980px) {
  .hero, .feature, .footer-grid, .grid-3, .grid-2, .stats { grid-template-columns: 1fr; }
  .section-header { display: block; }
  .prose { padding: 22px; }

  body.blog-theme::before {
    background:
      linear-gradient(180deg, rgba(5,5,5,0.68) 0%, rgba(5,5,5,0.82) 100%),
      url('/public/assets/mhue-cow-lineart.svg') center 120px / 92vw auto no-repeat;
    opacity: 0.2;
  }
}