:root {
  --bg-deep: #0c0f1a;
  --bg-card: #141829;
  --bg-card-hover: #1a1f38;
  --bg-surface: #10132a;
  --fg: #e8e6e1;
  --fg-muted: #9a978f;
  --fg-dim: #6b6860;
  --accent: #d4a853;
  --accent-glow: rgba(212, 168, 83, 0.15);
  --accent-bright: #e8c06a;
  --mind-1: #d4a853;
  --mind-2: #7bb8e0;
  --mind-3: #c084d4;
  --mind-4: #5cc98a;
  --mind-5: #e07bac;
  --mind-6: #e0a07b;
  --mind-7: #7be0c0;
  --mind-8: #a0a0e0;
  --mind-9: #e0d07b;
  --mind-10: #7be07b;
  --mind-11: #7bb8e0;
  --mind-12: #d4849a;
  --mind-13: #e8e6e1;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1200px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-deep);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero-logo {
  margin-bottom: var(--space-md);
}

.hero-logo img {
  height: 80px;
  width: auto;
  display: inline-block;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(212, 168, 83, 0.3);
  padding: 0.5rem 1.5rem;
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.hero-accent {
  color: var(--accent);
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto var(--space-lg);
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-gradient {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 120%;
  background: radial-gradient(ellipse at center, rgba(212, 168, 83, 0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

/* ===== SECTIONS ===== */
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-tag {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

section h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.section-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

/* ===== THE 13 MINDS ===== */
.minds {
  padding: var(--space-2xl) 0;
  background: var(--bg-surface);
}

.minds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-sm);
}

.mind-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: var(--space-md);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.mind-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  opacity: 0.7;
}

.mind-1::before { background: var(--mind-1); }
.mind-2::before { background: var(--mind-2); }
.mind-3::before { background: var(--mind-3); }
.mind-4::before { background: var(--mind-4); }
.mind-5::before { background: var(--mind-5); }
.mind-6::before { background: var(--mind-6); }
.mind-7::before { background: var(--mind-7); }
.mind-8::before { background: var(--mind-8); }
.mind-9::before { background: var(--mind-9); }
.mind-10::before { background: var(--mind-10); }
.mind-11::before { background: var(--mind-11); }
.mind-12::before { background: var(--mind-12); }
.mind-13::before { background: var(--mind-13); }

.mind-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.mind-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  display: block;
  margin-bottom: var(--space-xs);
}

.mind-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.mind-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ===== METHOD ===== */
.method {
  padding: var(--space-2xl) 0;
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.method-step {
  padding: var(--space-md);
  border-left: 2px solid rgba(212, 168, 83, 0.2);
  transition: border-color 0.3s ease;
}

.method-step:hover {
  border-left-color: var(--accent);
}

.step-marker {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: rgba(212, 168, 83, 0.2);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.method-step:hover .step-marker {
  color: var(--accent);
}

.method-step h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.method-step p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

.method-step--forge {
  border-left-color: rgba(255, 122, 89, 0.45);
}

.method-step--forge:hover {
  border-left-color: #ff7a59;
}

.method-step--forge .step-marker {
  color: #ff7a59;
  background: rgba(255, 122, 89, 0.12);
  border-radius: 8px;
}

.method-step--forge h3 {
  color: #ff7a59;
}

/* ===== AUDIENCE ===== */
.audience {
  padding: var(--space-2xl) 0;
  background: var(--bg-surface);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.audience-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: var(--space-md) var(--space-md) var(--space-md);
  text-align: center;
  transition: all 0.3s ease;
}

.audience-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.audience-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.audience-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.audience-age {
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.audience-card > p:last-child {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== CLOSING ===== */
.closing {
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
}

.closing-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.closing-motto {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.closing-accent {
  color: var(--accent);
}

.closing-statement {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.closing-origin {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-dim);
  margin-bottom: var(--space-sm);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-dim);
  opacity: 0.6;
}

/* ===== HERO CTA ===== */
.hero-cta-group {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.hero-cta-primary {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--bg-deep);
  background: var(--accent);
  padding: 0.875rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
  letter-spacing: 0.02em;
}

.hero-cta-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
}

.hero-cta-secondary {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--fg-muted);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.875rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
}

.hero-cta-secondary:hover {
  color: var(--fg);
  border-color: rgba(255, 255, 255, 0.25);
}

/* ===== SITE NAV ===== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 15, 26, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0 var(--space-md);
}

.site-nav .nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--space-md);
}

.nav-logo img {
  height: 32px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
  letter-spacing: 0.02em;
}

.nav-link:hover {
  color: var(--fg);
}

.nav-cta {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid rgba(212, 168, 83, 0.3);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  transition: all 0.2s;
  letter-spacing: 0.03em;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--bg-deep);
}

/* Footer brand image */
.footer-brand img {
  height: 28px;
  width: auto;
  display: block;
  margin: 0 auto 0.25rem;
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  body { font-size: 16px; }

  .hero { min-height: 90vh; padding: var(--space-lg) var(--space-sm); }
  .hero-stats { flex-direction: row; gap: var(--space-md); flex-wrap: wrap; }
  .stat-num { font-size: 2rem; }

  .section-inner { padding: 0 var(--space-sm); }

  .minds { padding: var(--space-xl) 0; }
  .minds-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .mind-card { padding: 1.25rem; }

  .method { padding: var(--space-xl) 0; }
  .method-steps { grid-template-columns: 1fr; gap: var(--space-sm); }

  .audience { padding: var(--space-xl) 0; }
  .audience-grid { grid-template-columns: 1fr; gap: var(--space-sm); }

  .closing { padding: var(--space-xl) 0 var(--space-lg); }

  /* ===== A-F TRANSFORMATION CYCLE ===== */
  .af-cycle {
    padding: var(--space-2xl) 0;
    background: var(--bg-deep);
  }

  .cycle-diagram {
    width: 100%;
    max-width: 900px;
    margin: 0 auto var(--space-xl);
  }

  .cycle-diagram svg {
    width: 100%;
    height: auto;
    display: block;
  }

  .af-phases {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
  }

  .af-phase {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: var(--space-md);
    border-top: 3px solid transparent;
    transition: all 0.3s ease;
  }

  .af-phase:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
  }

  .af-phase--a { border-top-color: var(--mind-1); }
  .af-phase--b { border-top-color: var(--mind-2); }
  .af-phase--c { border-top-color: var(--mind-3); }
  .af-phase--d { border-top-color: var(--mind-4); }
  .af-phase--e { border-top-color: var(--mind-5); }
  .af-phase--f {
    border-top-color: #ff7a59;
    border-color: rgba(255, 122, 89, 0.25);
    background: rgba(255, 122, 89, 0.04);
  }

  .af-phase-header {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-bottom: 0.75rem;
  }

  .af-marker {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--accent);
    background: var(--accent-glow);
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    line-height: 1;
  }

  .af-marker--b { color: var(--mind-2); background: rgba(123, 184, 224, 0.15); }
  .af-marker--c { color: var(--mind-3); background: rgba(192, 132, 212, 0.15); }
  .af-marker--d { color: var(--mind-4); background: rgba(92, 201, 138, 0.15); }
  .af-marker--e { color: var(--mind-5); background: rgba(224, 123, 172, 0.15); }
  .af-marker--f { color: #ff7a59; background: rgba(255, 122, 89, 0.15); }

  .af-phase-header > div:not(.af-marker) h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1.2;
    margin: 0;
    color: var(--fg);
  }

  .af-tag {
    font-size: 0.75rem;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-top: 2px;
  }

  .af-phase p {
    font-size: 0.9rem;
    color: var(--fg-muted);
    line-height: 1.6;
    margin-bottom: 0.875rem;
  }

  .af-deliverables {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
  }

  .af-deliverables span {
    font-size: 0.72rem;
    color: var(--fg-dim);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    letter-spacing: 0.03em;
  }

  /* CTA */
  .af-cta {
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: var(--space-xl);
    text-align: center;
  }

  .af-cta-inner {
    max-width: 560px;
    margin: 0 auto;
  }

  .af-cta-tag {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-xs);
  }

  .af-cta-inner h3 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.5rem, 3vw, 2rem);
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
  }

  .af-cta-inner > p {
    font-size: 1rem;
    color: var(--fg-muted);
    margin-bottom: var(--space-md);
  }

  .af-cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
  }

  .af-btn-primary {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    color: var(--bg-deep);
    background: var(--accent);
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
  }

  .af-btn-primary:hover {
    background: var(--accent-bright);
    transform: translateY(-2px);
  }

  .af-btn-secondary {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    color: var(--fg-muted);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
  }

  .af-btn-secondary:hover {
    color: var(--fg);
    border-color: rgba(255, 255, 255, 0.25);
  }
}

@media (max-width: 768px) {
  .af-cycle { padding: var(--space-xl) 0; }
  .af-phases { grid-template-columns: 1fr; }
  .cycle-diagram { margin-bottom: var(--space-lg); }
  .af-cta { padding: var(--space-lg) var(--space-md); }
}