/* ============================================================
   NexusCore Landing — Cinematic Dark Theme
   Obsidian × Electric Cyan × Ultraviolet × Soft Gold
   ============================================================ */

:root {
  /* Color System */
  --bg:          #06060f;
  --bg-2:        #0a0a18;
  --bg-card:     rgba(255,255,255,0.035);
  --bg-card-hover: rgba(255,255,255,0.065);
  --border:      rgba(255,255,255,0.07);
  --border-glow: rgba(0,212,255,0.25);

  /* Foreground */
  --fg:          #e8e8f0;
  --fg-dim:      #8888aa;
  --fg-muted:    #4a4a66;

  /* Accents */
  --cyan:        #00d4ff;
  --cyan-dim:    rgba(0,212,255,0.12);
  --cyan-glow:   rgba(0,212,255,0.4);
  --purple:      #7c3aed;
  --purple-dim:  rgba(124,58,237,0.12);
  --purple-light: #a78bfa;
  --gold:        #f5a623;
  --gold-dim:    rgba(245,166,35,0.15);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'Space Grotesk', sans-serif;

  /* Layout */
  --max-w:    1160px;
  --section-pad: clamp(5rem, 10vw, 9rem);
  --gutter:   clamp(1.25rem, 5vw, 3rem);
  --radius-card: 16px;
  --radius-sm: 8px;

  /* Transitions */
  --t: 0.25s ease;
  --t-slow: 0.4s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- Particle Canvas ---- */
#particle-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* ---- Utility ---- */
.cyan-text   { color: var(--cyan); }
.purple-text { color: var(--purple-light); }
.gold-text   { color: var(--gold); }

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

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 1.25rem;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: dotPulse 2s ease-in-out infinite;
}
.eyebrow-dot.cyan   { background: var(--cyan); box-shadow: 0 0 8px var(--cyan-glow); }
.eyebrow-dot.purple { background: var(--purple-light); box-shadow: 0 0 8px rgba(167,139,250,0.6); }
.eyebrow-dot.gold   { background: var(--gold); box-shadow: 0 0 8px rgba(245,166,35,0.6); }

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.8); }
}

.section-header { margin-bottom: 3.5rem; }
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--fg-dim);
  max-width: 560px;
  line-height: 1.7;
}

/* ---- Fade-in Scroll Animation ---- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease var(--delay, 0s), transform 0.6s ease var(--delay, 0s);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem var(--gutter);
  transition: background var(--t), backdrop-filter var(--t);
}
.site-nav.scrolled {
  background: rgba(6,6,15,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--fg);
}
.brand-mark {
  color: var(--cyan);
  font-size: 1.3rem;
  filter: drop-shadow(0 0 6px var(--cyan-glow));
}
.brand-accent { color: var(--cyan); }
.brand-name { letter-spacing: 0.05em; }

.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-dim);
  transition: color var(--t);
}
.nav-link:hover { color: var(--fg); }

.btn-nav {
  padding: 0.5rem 1.2rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--cyan);
  border-radius: 6px;
  transition: opacity var(--t), box-shadow var(--t);
  white-space: nowrap;
}
.btn-nav:hover {
  opacity: 0.9;
  box-shadow: 0 0 20px var(--cyan-glow);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  position: relative;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--cyan);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow var(--t), transform var(--t);
  cursor: pointer;
}
.btn-primary:hover {
  box-shadow: 0 0 40px var(--cyan-glow), 0 4px 24px rgba(0,212,255,0.3);
  transform: translateY(-1px);
}
.btn-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  pointer-events: none;
}
.btn-primary.btn-xl {
  padding: 1.1rem 2.8rem;
  font-size: 1.05rem;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(8px);
  transition: border-color var(--t), background var(--t), box-shadow var(--t);
}
.btn-ghost:hover {
  border-color: rgba(0,212,255,0.4);
  background: var(--cyan-dim);
  box-shadow: 0 0 20px var(--cyan-dim);
}

.btn-ghost-wide {
  display: inline-block;
  padding: 0.8rem 2.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  transition: color var(--t), border-color var(--t), background var(--t);
}
.btn-ghost-wide:hover {
  color: var(--cyan);
  border-color: rgba(0,212,255,0.3);
  background: var(--cyan-dim);
}

.btn-mission {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
  transition: opacity var(--t);
}
.btn-mission:hover { opacity: 0.75; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem var(--gutter) 5rem;
  overflow: hidden;
  z-index: 1;
}

/* Subtle scan-lines texture */
.scan-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.012) 2px,
    rgba(255,255,255,0.012) 4px
  );
  z-index: 1;
}

/* Decorative grid */
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.hg-h {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0,212,255,0.06) 30%, rgba(0,212,255,0.06) 70%, transparent 100%);
}
.hg-v {
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, rgba(0,212,255,0.06) 30%, rgba(0,212,255,0.06) 70%, transparent 100%);
}

/* Ambient glows */
.hero-glow-orb {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  animation: orbBreath 8s ease-in-out infinite;
}
.hero-glow-cyan {
  background: radial-gradient(circle, rgba(0,212,255,0.12) 0%, transparent 70%);
  top: 20%;
  left: 30%;
  transform: translate(-50%, -50%);
}
.hero-glow-purple {
  background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, transparent 70%);
  top: 60%;
  right: 20%;
  transform: translate(50%, -50%);
  animation-delay: -4s;
}

@keyframes orbBreath {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50%       { transform: translate(-50%, -52%) scale(1.1); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 0.45rem 1rem;
  border-radius: 100px;
  margin-bottom: 2.5rem;
  background: rgba(0,212,255,0.05);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.035em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--fg-dim);
  line-height: 1.6;
  margin-bottom: 2.5rem;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Live stat strip */
.hero-stat-strip {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(12px);
  overflow: hidden;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 1rem 1.8rem;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--fg);
  line-height: 1;
}
.stat-lbl {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.stat-sep {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* ============================================================
   WHAT IS NEXUS (value props)
   ============================================================ */
.what-nexus {
  position: relative;
  z-index: 1;
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.value-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.glass-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(12px);
  transition: background var(--t), border-color var(--t), transform var(--t), box-shadow var(--t);
}
.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0,212,255,0.18);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 0 1px rgba(0,212,255,0.08);
}

.card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--cyan-dim);
  color: var(--cyan);
  margin-bottom: 1.25rem;
  border: 1px solid rgba(0,212,255,0.15);
}
.card-icon.purple {
  background: var(--purple-dim);
  color: var(--purple-light);
  border-color: rgba(167,139,250,0.2);
}
.card-icon.gold {
  background: var(--gold-dim);
  color: var(--gold);
  border-color: rgba(245,166,35,0.2);
}

.glass-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.6rem;
}
.glass-card p {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.65;
  margin-bottom: 1.2rem;
}

.card-tag {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,212,255,0.15);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
}
.card-tag.purple {
  color: var(--purple-light);
  background: var(--purple-dim);
  border-color: rgba(167,139,250,0.2);
}
.card-tag.gold {
  color: var(--gold);
  background: var(--gold-dim);
  border-color: rgba(245,166,35,0.2);
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works {
  position: relative;
  z-index: 1;
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
}

.flow-step {
  display: grid;
  grid-template-columns: 56px 2px 1fr;
  gap: 0 1.5rem;
  align-items: start;
  padding-bottom: 2.5rem;
}

.step-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--fg-muted);
  line-height: 1;
  padding-top: 0.1rem;
  transition: color var(--t);
}
.step-num.gold-num { color: var(--gold); }

.flow-step:hover .step-num { color: var(--cyan); }

.step-connector {
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,212,255,0.2) 0%, transparent 100%);
  border-radius: 2px;
  align-self: stretch;
  margin-top: 0.5rem;
}

.step-content {
  padding-top: 0.1rem;
}
.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.5rem;
}
.step-content p {
  font-size: 0.92rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

.step-badge {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid rgba(245,166,35,0.2);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
}

/* ============================================================
   MISSION PREVIEW
   ============================================================ */
.mission-preview {
  position: relative;
  z-index: 1;
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.mission-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.mission-card {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}
.mission-card:hover {
  border-color: rgba(0,212,255,0.18);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.mc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mc-category {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  border: 1px solid currentColor;
}
.mc-category.scientific { color: var(--cyan); background: var(--cyan-dim); border-color: rgba(0,212,255,0.2); }
.mc-category.startup    { color: var(--purple-light); background: var(--purple-dim); border-color: rgba(167,139,250,0.2); }
.mc-category.environmental { color: #4ade80; background: rgba(74,222,128,0.1); border-color: rgba(74,222,128,0.2); }
.mc-category.community  { color: var(--gold); background: var(--gold-dim); border-color: rgba(245,166,35,0.2); }

.mc-rarity {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.mc-rarity.legendary { color: var(--gold); }
.mc-rarity.epic      { color: var(--purple-light); }
.mc-rarity.rare      { color: var(--cyan); }
.mc-rarity.common    { color: var(--fg-muted); }

.mc-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg);
  line-height: 1.3;
}
.mc-desc {
  font-size: 0.85rem;
  color: var(--fg-dim);
  line-height: 1.6;
  flex: 1;
}

.mc-meta {
  display: flex;
  gap: 1rem;
}
.mc-meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--fg-muted);
}
.mc-meta-item svg { flex-shrink: 0; }

.mc-progress-bar {
  height: 3px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}
.mc-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--purple-light));
  border-radius: 100px;
  transition: width 0.5s ease;
}

.mc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mc-reward {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}
.reward-num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
}
.reward-unit {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
}

.section-cta {
  text-align: center;
  padding-top: 1rem;
}

/* ============================================================
   OPERATOR IDENTITY
   ============================================================ */
.operator-identity {
  position: relative;
  z-index: 1;
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.oi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.oi-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.oi-features {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.oi-feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.oi-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.oi-icon.cyan   { background: var(--cyan-dim); color: var(--cyan); border-color: rgba(0,212,255,0.15); }
.oi-icon.purple { background: var(--purple-dim); color: var(--purple-light); border-color: rgba(167,139,250,0.15); }
.oi-icon.gold   { background: var(--gold-dim); color: var(--gold); border-color: rgba(245,166,35,0.15); }

.oi-feature strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.25rem;
}
.oi-feature p {
  font-size: 0.85rem;
  color: var(--fg-dim);
  line-height: 1.55;
}

/* Profile Card Mockup */
.profile-card {
  position: relative;
  padding: 1.75rem;
  background: rgba(10,10,24,0.8);
  border: 1px solid var(--border);
  border-radius: 20px;
  backdrop-filter: blur(20px);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.pc-bg-glow {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.pc-header {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}
.pc-avatar {
  position: relative;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}
.pc-avatar-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
}
.pc-avatar-badge {
  position: absolute;
  bottom: -2px;
  right: -2px;
  font-size: 0.7rem;
  color: var(--gold);
}
.pc-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.2rem;
}
.pc-title {
  font-size: 0.78rem;
  color: var(--fg-dim);
  margin-bottom: 0.5rem;
}
.pc-level {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.level-tag {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid rgba(245,166,35,0.25);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}
.rank-tag {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.pc-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.pc-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.8rem 0.5rem;
  background: rgba(255,255,255,0.02);
}
.pcs-val {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--fg);
}
.pcs-lbl {
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  text-align: center;
}

.pc-skills { margin-bottom: 1.25rem; }
.pcs-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.8rem;
}
.skill-bar-row {
  display: grid;
  grid-template-columns: 90px 1fr 24px;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}
.skill-name {
  font-size: 0.75rem;
  color: var(--fg-dim);
  white-space: nowrap;
}
.skill-bar {
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: var(--cyan);
  border-radius: 100px;
}
.skill-fill.purple { background: var(--purple-light); }
.skill-fill.gold   { background: var(--gold); }
.skill-pct {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--fg-dim);
  text-align: right;
}

.pc-contrib-graph { margin-bottom: 1.25rem; }
.contrib-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 40px;
}
.cb {
  flex: 1;
  background: rgba(0,212,255,0.12);
  border-radius: 3px 3px 0 0;
  transition: background var(--t);
}
.cb.active { background: var(--cyan); }

.pc-missions-tag {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.mission-tag {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  border: 1px solid;
}
.mission-tag.scientific  { color: var(--cyan); border-color: rgba(0,212,255,0.2); background: var(--cyan-dim); }
.mission-tag.startup     { color: var(--purple-light); border-color: rgba(167,139,250,0.2); background: var(--purple-dim); }
.mission-tag.environmental { color: #4ade80; border-color: rgba(74,222,128,0.2); background: rgba(74,222,128,0.08); }

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta {
  position: relative;
  z-index: 1;
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
  text-align: center;
  overflow: hidden;
}
.fca-glow-cyan {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
  top: 50%; left: 30%;
  transform: translate(-50%, -50%);
  filter: blur(80px);
  pointer-events: none;
}
.fca-glow-purple {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.08) 0%, transparent 70%);
  top: 50%; right: 20%;
  transform: translate(50%, -50%);
  filter: blur(80px);
  pointer-events: none;
}

.fca-inner { position: relative; z-index: 1; }
.fca-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.fca-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.fca-sub {
  font-size: 1.05rem;
  color: var(--fg-dim);
  line-height: 1.65;
  margin-bottom: 2.5rem;
}

.fca-ctas { margin-bottom: 3rem; }
.fca-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}

.fca-metrics {
  display: inline-flex;
  gap: 3rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 2.5rem;
}
.fca-metric { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; }
.fca-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--fg);
  line-height: 1;
}
.fca-lbl {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  position: relative;
  z-index: 1;
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.footer-link-group { display: flex; flex-direction: column; gap: 0.5rem; }
.flg-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}
.footer-link {
  font-size: 0.85rem;
  color: var(--fg-dim);
  transition: color var(--t);
}
.footer-link:hover { color: var(--cyan); }

.footer-status-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}
.footer-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--fg-dim);
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74,222,128,0.6);
  animation: dotPulse 2s ease-in-out infinite;
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .value-cards {
    grid-template-columns: 1fr;
  }
  .mission-cards {
    grid-template-columns: 1fr;
  }
  .oi-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .fca-metrics {
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .footer-status-col { align-items: flex-start; }
  .nav-links { display: none; }
}

@media (max-width: 600px) {
  .hero-stat-strip {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }
  .stat-sep { width: 100%; height: 1px; }
  .stat-item { padding: 0.8rem 1.2rem; width: 100%; }

  .hero-ctas { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { justify-content: center; }

  .hero-headline { font-size: 3rem; }

  .flow-step {
    grid-template-columns: 44px 2px 1fr;
    gap: 0 1rem;
  }
  .step-num { font-size: 1.4rem; }

  .fca-headline { font-size: 2.2rem; }

  .skill-bar-row {
    grid-template-columns: 70px 1fr 20px;
  }

  .pc-stats { grid-template-columns: repeat(3, 1fr); }
}