/* ══════════════════════════════════════════════════════════════════
   narcissus.black — Design System
   ══════════════════════════════════════════════════════════════════ */

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

:root {
  --bg: #080510;
  --surf: #0f0a1c;
  --card: #150d28;
  --bd: rgba(255,255,255,.07);
  --bd2: rgba(255,255,255,.13);
  --txt: #ede8f8;
  --mut: #7a6a9a;
  --faint: #1c1232;
  --faint2: #251840;
  --pur: #c084fc;
  --pink: #f472b6;
  --cyn: #67e8f9;
  --grn: #4ade80;
  --gld: #fbbf24;
  --red: #f87171;
  --sans: 'Instrument Sans', system-ui, sans-serif;
  --mono: 'DM Mono', monospace;
  --serif: 'Instrument Serif', Georgia, serif;
}

html { scroll-behavior: smooth }

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none }

/* ── TYPOGRAPHY ── */

.font-mono { font-family: var(--mono) }
.font-serif { font-family: var(--serif) }
.text-mut { color: var(--mut) }
.text-pur { color: var(--pur) }
.text-pink { color: var(--pink) }

/* ── LAYOUT ── */

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 80px 32px;
}

.container-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 32px;
}

/* ── NAV ── */

.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  padding: 15px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(8,5,16,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--bd);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--txt);
}
.nav-logo em { font-style: normal; color: var(--pur) }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  font-size: 13px;
  color: var(--mut);
  transition: color .2s;
}
.nav-links a:hover { color: var(--txt) }

.nav-cta {
  padding: 8px 20px;
  background: rgba(192,132,252,.12);
  border: 1px solid rgba(192,132,252,.35);
  border-radius: 6px;
  color: var(--pur) !important;
  font-weight: 500;
  transition: all .2s;
}
.nav-cta:hover { background: rgba(192,132,252,.22) }

.nav-mob-cta { display: none }

/* ── CARDS ── */

.card {
  background: var(--surf);
  border: 1px solid var(--bd);
  border-radius: 12px;
  padding: 20px;
  transition: border-color .2s;
}
.card:hover { border-color: var(--bd2) }

/* ── SECTION HEADERS ── */

.section-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--mut);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--sans);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 12px;
  letter-spacing: -.02em;
}
.section-title em { font-style: normal; color: var(--pur) }

/* ── BUTTONS ── */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--pur);
  border-radius: 7px;
  border: none;
  color: #080510;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--sans);
  cursor: pointer;
  transition: opacity .2s;
}
.btn-primary:hover { opacity: .86 }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 24px;
  background: transparent;
  border: 1px solid var(--bd2);
  border-radius: 7px;
  color: var(--mut);
  font-size: 14px;
  font-family: var(--sans);
  cursor: pointer;
  transition: all .2s;
}
.btn-ghost:hover { border-color: rgba(255,255,255,.25); color: var(--txt) }

/* ── PILLS / TAGS ── */

.pill {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-family: var(--mono);
  border: 1px solid var(--bd);
  color: var(--mut);
  background: transparent;
}

.pill-pur { border-color: rgba(192,132,252,.3); color: var(--pur); background: rgba(192,132,252,.08) }
.pill-pink { border-color: rgba(244,114,182,.3); color: var(--pink); background: rgba(244,114,182,.08) }
.pill-red { border-color: rgba(248,113,113,.3); color: var(--red); background: rgba(248,113,113,.08) }

/* ── CONTENT PAGE ── */

.content-hero {
  padding: 120px 32px 60px;
  text-align: center;
  position: relative;
}

.content-hero h1 {
  font-family: var(--sans);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 16px;
}

.content-body {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 32px 80px;
}

.content-body h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 48px 0 16px;
  letter-spacing: -.02em;
}

.content-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--pur);
}

.content-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--mut);
  margin-bottom: 16px;
}

.content-body strong { color: var(--txt); font-weight: 500 }

.content-body ul, .content-body ol {
  padding-left: 20px;
  margin-bottom: 16px;
}
.content-body li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--mut);
  margin-bottom: 8px;
}

/* ── SUBTOPIC NAV ── */

.subtopic-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px;
  margin-bottom: 48px;
}

.subtopic-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--surf);
  border: 1px solid var(--bd);
  border-radius: 10px;
  font-size: 13px;
  color: var(--mut);
  transition: all .2s;
}
.subtopic-link:hover {
  border-color: var(--bd2);
  color: var(--txt);
}
.subtopic-link .icon { font-size: 16px }

/* ── RELATED CONCEPTS ── */

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.related-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--surf);
  border: 1px solid var(--bd);
  border-radius: 10px;
  transition: border-color .2s;
}
.related-card:hover { border-color: var(--bd2) }

.related-emoji { font-size: 24px }
.related-name { font-size: 14px; font-weight: 500; margin-bottom: 2px }
.related-desc { font-size: 12px; color: var(--mut) }

/* ── BLOG ── */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
}

.blog-card {
  background: var(--surf);
  border: 1px solid var(--bd);
  border-radius: 12px;
  padding: 24px;
  transition: border-color .2s;
  display: flex;
  flex-direction: column;
}
.blog-card:hover { border-color: var(--bd2) }

.blog-card-concept {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.blog-card-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.01em;
  margin-bottom: 8px;
}

.blog-card-excerpt {
  font-size: 13px;
  color: var(--mut);
  line-height: 1.7;
  flex: 1;
}

.blog-card-meta {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--faint2);
}

/* ── CTA BANNER ── */

.cta-banner {
  background: linear-gradient(135deg, rgba(124,58,237,.88), rgba(168,85,247,.8));
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  margin: 48px 0;
}

.cta-banner h3 {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.cta-banner p {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  margin-bottom: 20px;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #7c3aed;
}

/* ── FOOTER ── */

.footer {
  border-top: 1px solid var(--bd);
  padding: 28px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-logo {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--mut);
}
.footer-logo em { color: var(--pur); font-style: normal }

.footer-links { display: flex; gap: 20px }
.footer-links a { font-size: 12px; color: var(--mut) }
.footer-links a:hover { color: var(--txt) }

.footer-copy {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--faint2);
}

/* ══════════════════════════════════════════════════════════════════
   MOBILE
   ══════════════════════════════════════════════════════════════════ */

@media (max-width: 640px) {
  .nav { padding: 14px 16px }
  .nav-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  .nav-cta { display: none }
  .nav-mob-cta {
    display: inline-flex;
    padding: 8px 16px;
    background: rgba(192,132,252,.12);
    border: 1px solid rgba(192,132,252,.35);
    border-radius: 6px;
    color: var(--pur);
    font-size: 12px;
    font-weight: 500;
  }

  .container, .container-narrow { padding: 50px 16px }

  .content-hero { padding: 90px 18px 40px }
  .content-hero h1 { font-size: clamp(24px, 7vw, 36px) }
  .content-body { padding: 0 16px 60px }

  .subtopic-nav { grid-template-columns: 1fr }
  .related-grid { grid-template-columns: 1fr }
  .blog-grid { grid-template-columns: 1fr }

  .btn-primary, .btn-ghost {
    padding: 14px 20px;
    font-size: 15px;
    width: 100%;
    justify-content: center;
  }

  .footer {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
  }
  .footer-links { flex-wrap: wrap; justify-content: center }
}