/* ============================================================
   AI Safety Corner — Main Stylesheet
   Dark editorial + game level-select aesthetic
   ============================================================ */

/* ─── Reset & Base ─────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Palette */
  --bg-base:       #07091a;
  --bg-mid:        #0b0e24;
  --bg-surface:    #101430;
  --bg-raised:     #151936;

  --ink-primary:   #e8e6f0;
  --ink-secondary: #9b97b8;
  --ink-muted:     #7f7aa3;
  --ink-micro:     #3d3b5a;

  --accent-pink:   #f03e8a;
  --accent-gold:   #f5c842;
  --accent-yellow: #ffe566;
  --accent-lavender:#c5b8f5;
  --accent-lime:   #C7F36B;
  --accent-peach:  #ff8f6b;
  --accent-magenta:#cc44bb;
  --accent-blue:   #5b8af5;
  --accent-teal:   #2dd4bf;

  --glow-pink:     rgba(240, 62, 138, 0.18);
  --glow-gold:     rgba(245, 200, 66, 0.12);
  --glow-blue:     rgba(91, 138, 245, 0.14);
  --glow-lavender: rgba(197, 184, 245, 0.1);

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'Space Mono', 'Courier New', monospace;

  /* Spacing */
  --max-w: 1280px;
  --section-pad: 7rem 2rem;
  --section-pad-sm: 4rem 1.5rem;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

button {
  font-family: var(--font-body);
}

/* ─── Starfield Canvas ─────────────────────────────────────── */
#starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

/* ─── Top Nav ──────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  background: linear-gradient(to bottom, rgba(7, 9, 26, 0.96) 0%, rgba(7, 9, 26, 0) 100%);
  backdrop-filter: blur(2px);
  border-bottom: 1px solid rgba(197, 184, 245, 0.06);
  transition: background 0.3s var(--ease-in-out);
}

.nav-inner {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-secondary);
  transition: color 0.2s;
}
.nav-logo:hover { color: var(--accent-lavender); }
.logo-glyph {
  font-size: 0.95rem;
  color: var(--accent-lavender);
  filter: drop-shadow(0 0 6px var(--accent-lavender));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-link {
  font-size: 0.67rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  transition: color 0.2s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-pink);
  transition: width 0.25s var(--ease-out);
}
.nav-link:hover { color: var(--ink-primary); }
.nav-link:hover::after { width: 100%; }

.site-nav.is-scrolled {
  background: rgba(7, 9, 26, 0.97);
  border-bottom-color: rgba(197, 184, 245, 0.1);
}

.nav-about-btn {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.85rem;
  border: 1px solid rgba(197,184,245,0.25);
  border-radius: 2px;
  background: transparent;
  color: var(--accent-lavender);
  font-size: 0.67rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}
.nav-about-btn:hover {
  background: rgba(197,184,245,0.08);
  border-color: var(--accent-lavender);
  color: var(--ink-primary);
}
.btn-arrow { font-size: 0.72rem; transition: transform 0.2s; }
.nav-about-btn:hover .btn-arrow { transform: translateX(3px); }

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 2rem 5rem;
  overflow: hidden;
  z-index: 1;
}

/* Backdrop glows */
.hero-backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.backdrop-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}
.glow-1 {
  width: 600px; height: 600px;
  top: -100px; left: -150px;
  background: radial-gradient(circle, rgba(197,184,245,0.08) 0%, transparent 70%);
}
.glow-2 {
  width: 500px; height: 500px;
  top: 30%; right: -80px;
  background: radial-gradient(circle, rgba(240,62,138,0.07) 0%, transparent 70%);
}
.glow-3 {
  width: 400px; height: 400px;
  bottom: -50px; left: 40%;
  background: radial-gradient(circle, rgba(91,138,245,0.07) 0%, transparent 70%);
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(197,184,245,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(197,184,245,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  width: 100%;
  text-align: center;
}

/* Hero left */
.hero-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}
.eyebrow-badge {
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--ink-muted);
  border-radius: 2px;
  color: var(--accent-lavender);
  background: rgba(197,184,245,0.05);
}
.eyebrow-divider { color: var(--ink-muted); }
.eyebrow-label { color: var(--ink-muted); text-transform: uppercase; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 7vw, 6.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 1.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.title-line-1,
.title-line-2,
.title-line-3 {
  display: block;
  padding: 0.02em 0.08em;
}

.title-line-2 {
  margin-top: -0.08em;
}

.title-line-1 { color: var(--ink-primary); }
.title-line-2 {
  color: transparent;
  background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-lavender) 50%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-style: italic;
}
.title-line-3 {
  color: var(--ink-primary);
  -webkit-text-stroke: 1px rgba(197,184,245,0.2);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--ink-secondary);
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto 2.5rem;
}
.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.8rem;
  background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-magenta) 100%);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 2px;
  transition: all 0.25s var(--ease-out);
  box-shadow: 0 0 28px rgba(240,62,138,0.3);
}
.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 40px rgba(240,62,138,0.45);
}
.cta-icon { font-size: 0.7rem; }

.cta-secondary {
  font-size: 0.88rem;
  color: var(--accent-gold);
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  transition: color 0.2s;
}
.cta-secondary::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0.4);
  transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}
.cta-secondary:hover { color: var(--accent-yellow); }
.cta-secondary:hover::after { transform: scaleX(1); }

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  z-index: 1;
  animation: scrollFade 3s ease-in-out infinite;
}
@keyframes scrollFade {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}
.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, transparent, var(--ink-muted));
}
.scroll-text {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ─── Section common ───────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.section-num { color: var(--ink-muted); }
.section-label { color: var(--ink-secondary); }
.section-sublabel {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  padding-left: 0.6rem;
  margin-left: 0.1rem;
  border-left: 1px solid rgba(197,184,245,0.28);
}

/* ─── Featured Editorial ───────────────────────────────────── */
.featured {
  position: relative;
  z-index: 1;
  padding: var(--section-pad);
  border-top: 1px solid rgba(197, 184, 245, 0.06);
}

.featured-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 4rem;
  padding: 2.8rem 3.2rem;
  background: var(--bg-surface);
  border: 1px solid rgba(245,200,66,0.12);
  border-radius: 4px;
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent-gold), transparent);
}

.featured-card:hover {
  border-color: rgba(245,200,66,0.28);
}

.featured-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.featured-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  line-height: 1.05;
  color: var(--ink-primary);
}
.featured-title em {
  font-style: italic;
  color: transparent;
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-peach) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.featured-divider {
  width: 48px;
  height: 2px;
  background: linear-gradient(to right, var(--accent-gold), transparent);
  margin: 1.5rem 0;
}

.featured-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  text-transform: uppercase;
}
.featured-meta .dot { color: var(--ink-muted); }

.featured-lead {
  font-size: 1.05rem;
  color: var(--ink-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
  font-weight: 300;
}

.featured-body {
  font-size: 0.9rem;
  color: var(--ink-secondary);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.featured-read-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-peach);
  transition: gap 0.2s, color 0.2s;
}
.featured-read-link:hover { gap: 0.7rem; color: var(--ink-primary); }
.link-arrow { font-size: 1rem; }

/* ─── Zones / Level Select ─────────────────────────────────── */
.zones {
  position: relative;
  z-index: 1;
  padding: var(--section-pad);
  border-top: 1px solid rgba(197, 184, 245, 0.06);
}

.zones-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.zones-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

/* Zone base */
.zone {
  position: relative;
  display: block;
  border-radius: 3px;
  border: 1px solid rgba(197, 184, 245, 0.1);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.35s var(--ease-out), border-color 0.25s;
  text-decoration: none;
}
.zone:hover { transform: translateY(-3px); }

.zone-bg {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.4s;
}
.zone:hover .zone-bg { opacity: 1; }

.zone-inner {
  position: relative;
  z-index: 1;
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.zone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: auto;
}
.zone-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
}
.zone-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.18rem 0.5rem;
  border-radius: 2px;
  border: 1px solid rgba(197,184,245,0.12);
  color: var(--ink-muted);
}

.zone-glyph {
  font-size: 2.2rem;
  margin: 1.2rem 0;
  line-height: 1;
  transition: transform 0.4s var(--ease-out);
  display: block;
}
.zone:hover .zone-glyph { transform: scale(1.15); }

.zone-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.15;
  color: var(--ink-primary);
  margin-bottom: 0.7rem;
}

.zone-desc {
  font-size: 0.825rem;
  color: var(--ink-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.zone-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid rgba(197,184,245,0.07);
}
.zone-count {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
}
.zone-enter {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s, transform 0.25s var(--ease-out);
}
.zone:hover .zone-enter {
  opacity: 1;
  transform: translateX(0);
}

/* Zone grid placement */
.zone { min-height: 280px; }

/* Force a clean 3x2 desktop layout for the six guide sections. */
.zone--highlights { grid-column: 1; grid-row: 1; }
.zone--foundations { grid-column: 2; grid-row: 1; }
.zone--failures { grid-column: 3; grid-row: 1; }
.zone--eval { grid-column: 1; grid-row: 2; }
.zone--glossary { grid-column: 2; grid-row: 2; }
.zone--systemcards { grid-column: 3; grid-row: 2; }

/* Zone individual themes */
.zone--foundations {
  background: var(--bg-surface);
}
.zone--foundations .zone-bg {
  background: radial-gradient(circle at 30% 70%, rgba(199,243,107,0.1) 0%, transparent 60%);
}
.zone--foundations .zone-glyph { color: var(--accent-lime); }
.zone--foundations .zone-enter { color: var(--accent-lime); }
.zone--foundations:hover { border-color: rgba(199,243,107,0.3); }
.zone--foundations .zone-tag {
  border-color: rgba(199, 243, 107, 0.2);
  color: var(--accent-lavender);
}

.zone--highlights {
  background: var(--bg-mid);
  border-color: rgba(91,138,245,0.15);
}
.zone--highlights .zone-bg {
  background: radial-gradient(circle at 60% 30%, rgba(91,138,245,0.1) 0%, transparent 60%);
}
.zone--highlights .zone-glyph {
  color: var(--accent-blue);
}
.zone--highlights .zone-enter { color: var(--accent-blue); }
.zone--highlights:hover { border-color: rgba(91,138,245,0.35); }
.zone--highlights .zone-tag {border-color: rgba(91,138,245,0.2); color: var(--accent-blue); }

.zone--failures {
  background: var(--bg-surface);
}
.zone--failures .zone-bg {
  background: radial-gradient(circle at 70% 30%, rgba(240,62,138,0.1) 0%, transparent 60%);
}
.zone--failures .zone-glyph { color: var(--accent-pink); }
.zone--failures .zone-enter { color: var(--accent-pink); }
.zone--failures:hover { border-color: rgba(240,62,138,0.3); }
.zone--failures .zone-tag {
  border-color: rgba(240,62,138,0.2);
  color: var(--accent-pink);
}

.zone--eval {
  background: var(--bg-surface);
}
.zone--eval .zone-bg {
  background: radial-gradient(circle at 40% 60%, rgba(245,200,66,0.1) 0%, transparent 60%);
}
.zone--eval .zone-glyph { color: var(--accent-gold); }
.zone--eval .zone-enter { color: var(--accent-gold); }
.zone--eval:hover { border-color: rgba(245,200,66,0.3); }
.zone--eval .zone-tag { border-color: rgba(245,200,66,0.2); color: var(--accent-gold); }

.zone--glossary {
  background: var(--bg-surface);
}
.zone--glossary .zone-bg {
  background: radial-gradient(circle at 60% 60%, rgba(255,143,107,0.1) 0%, transparent 60%);
}
.zone--glossary .zone-glyph { color: var(--accent-peach); }
.zone--glossary .zone-enter { color: var(--accent-peach); }
.zone--glossary:hover { border-color: rgba(255,143,107,0.3); }
.zone--glossary .zone-tag { border-color: rgba(255,143,107,0.2); color: var(--accent-peach); }

.zone--systemcards {
  background: var(--bg-surface);
}
.zone--systemcards .zone-bg {
  background: radial-gradient(circle at 20% 50%, rgba(45,212,191,0.1) 0%, transparent 60%);
}
.zone--systemcards .zone-glyph { color: var(--accent-teal); }
.zone--systemcards .zone-enter { color: var(--accent-teal); }
.zone--systemcards:hover { border-color: rgba(45,212,191,0.3); }
.zone--systemcards .zone-tag { border-color: rgba(45,212,191,0.2); color: var(--accent-teal); }

/* ─── Signals ──────────────────────────────────────────────── */
.signals {
  position: relative;
  z-index: 1;
  padding: var(--section-pad);
  border-top: 1px solid rgba(197, 184, 245, 0.06);
}

.signals-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.signals-grid {
  display: flex;
  flex-wrap: nowrap;
  gap: 1.25rem;
}

.signal {
  flex: 1 1 0;
  min-width: 0;
  padding: 1.8rem;
  border-radius: 3px;
  border: 1px solid rgba(197, 184, 245, 0.1);
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.3s var(--ease-out), border-color 0.25s;
}
.signal:hover { transform: translateY(-2px); }

.signal-type {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--ink-primary);
}

.signal-body {
  font-size: 0.82rem;
  color: var(--ink-secondary);
  line-height: 1.65;
}

.signal-link {
  margin-top: auto;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: opacity 0.2s;
}
.signal-link:hover { opacity: 0.7; }

/* Signal type colors */
.signal--term .signal-type { color: var(--accent-blue); }
.signal--term:hover { border-color: rgba(91,138,245,0.25); }
.signal--term .signal-link { color: var(--accent-blue); }

.signal--failure .signal-type { color: var(--accent-pink); }
.signal--failure:hover { border-color: rgba(240,62,138,0.25); }
.signal--failure .signal-link { color: var(--accent-pink); }

.signal--systemcard .signal-type { color: var(--accent-teal); }
.signal--systemcard:hover { border-color: rgba(45,212,191,0.25); }
.signal--systemcard .signal-link { color: var(--accent-teal); }

/* ─── World Strip ──────────────────────────────────────────── */
.world-strip {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-top: 1px solid rgba(197, 184, 245, 0.06);
  border-bottom: 1px solid rgba(197, 184, 245, 0.06);
  padding: 1rem 0;
  background: rgba(197,184,245,0.02);
}

.world-strip-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: marquee 38s linear infinite;
}

.world-strip-inner {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  white-space: nowrap;
}

.world-strip-kicker {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-primary);
  opacity: 0.9;
}

.world-strip-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  line-height: 1;
  color: var(--ink-secondary);
  letter-spacing: 0.04em;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.strip-dot {
  margin: 0 1rem 0 0.6rem;
  color: var(--accent-lavender);
  opacity: 0.4;
  font-size: 0.45rem;
}

/* ─── Footer ───────────────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 1;
  padding: 3rem 2rem 2rem;
}

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-secondary);
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.copyright-line {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.copyright-mark {
  display: block;
  font-size: 1.2rem;
  line-height: 1;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--ink-muted);
}

/* ─── About Drawer ─────────────────────────────────────────── */
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(7,9,26,0.7);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-in-out);
}
.drawer-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.about-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 210;
  width: min(480px, 100vw);
  background: var(--bg-mid);
  border-left: 1px solid rgba(197, 184, 245, 0.1);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
}
.about-drawer.is-open {
  transform: translateX(0);
}

.drawer-inner {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 100%;
}

.drawer-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: 1px solid rgba(197,184,245,0.12);
  color: var(--ink-muted);
  width: 36px;
  height: 36px;
  border-radius: 2px;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.drawer-close:hover {
  border-color: rgba(197,184,245,0.3);
  color: var(--ink-primary);
}

.drawer-header {
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(197,184,245,0.07);
  margin-bottom: 2rem;
}
.drawer-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-lavender);
  margin-bottom: 0.75rem;
}
.drawer-title {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--ink-primary);
  line-height: 1.15;
}

.drawer-section {
  margin-bottom: 2rem;
}
.drawer-section-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.9rem;
}
.drawer-text {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  line-height: 1.75;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.drawer-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--ink-secondary);
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(197,184,245,0.07);
  border-radius: 2px;
  transition: all 0.2s;
}
.drawer-link:hover {
  color: var(--ink-primary);
  border-color: rgba(197,184,245,0.18);
  background: rgba(197,184,245,0.03);
}
.drawer-link-icon {
  color: var(--accent-lavender);
  font-size: 0.9rem;
}

.drawer-footer {
  margin-top: auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(197,184,245,0.07);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--ink-secondary);
}
.drawer-glyph { color: var(--accent-lavender); font-size: 1rem; }

/* ─── Scroll reveal ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   SHARED PAGINATION COMPONENT
   Used by all section index pages. Section accent overrides live
   in each section's own CSS file.
   ================================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2.5rem 1rem 0.5rem;
}

.pagination-btn,
.pagination-page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.6rem;
  border-radius: 6px;
  border: 1px solid rgba(197, 184, 245, 0.12);
  background: transparent;
  color: rgba(197, 184, 245, 0.55);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.pagination-btn:hover:not(:disabled),
.pagination-page:hover:not(.is-active) {
  background: rgba(197, 184, 245, 0.07);
  color: rgba(197, 184, 245, 0.9);
  border-color: rgba(197, 184, 245, 0.22);
}

.pagination-page.is-active {
  background: rgba(197, 184, 245, 0.12);
  color: #c5b8f5;
  border-color: rgba(197, 184, 245, 0.32);
  font-weight: 600;
  cursor: default;
  pointer-events: none;
}

.pagination-btn:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.pagination-pages {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.pagination-ellipsis {
  color: rgba(197, 184, 245, 0.3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0 0.2rem;
  user-select: none;
}

@media (max-width: 480px) {
  .pagination-btn,
  .pagination-page {
    min-width: 1.9rem;
    height: 1.9rem;
    font-size: 0.72rem;
  }
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-title { font-size: clamp(2.8rem, 8vw, 4.5rem); }

  .featured-card {
    gap: 0 2.5rem;
    padding: 2.2rem 2.5rem;
  }

  .zones-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .zone--foundations,
  .zone--highlights,
  .zone--failures,
  .zone--eval,
  .zone--glossary,
  .zone--systemcards {
    grid-column: auto;
    grid-row: auto;
  }

}

@media (max-width: 720px) {
  :root { --section-pad: 4rem 1.25rem; }
  .nav-links { gap: 0.75rem; }
  .nav-link { display: none; }

  .hero { padding: 7rem 1.25rem 4rem; }

  .featured-card {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1.8rem 1.5rem;
  }

  .zones-grid { grid-template-columns: 1fr; }

  .signals-grid {
    flex-direction: column;
  }

  .signal {
    flex: 1 1 auto;
    width: 100%;
  }

}

/* ─── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--accent-lavender); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-pink); }
html { scrollbar-color: var(--accent-lavender) transparent; scrollbar-width: thin; }