:root {
  --bg: #0f0705;
  --bg-alt: #180b08;
  --bg-card: #1e100c;
  --border: rgba(255, 170, 90, 0.14);
  --border-strong: rgba(255, 170, 90, 0.28);
  --text: #f6ece3;
  --text-dim: #c7ab9c;
  --text-faint: #8f7264;
  --gold: #ffd873;
  --amber: #ff9d3d;
  --ember: #ff5a1f;
  --deep-red: #4a120a;
  --grad: linear-gradient(120deg, var(--gold) 0%, var(--amber) 55%, var(--ember) 100%);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: radial-gradient(ellipse 120% 80% at 50% -10%, #2a120c 0%, var(--bg) 45%, #0a0403 100%);
  color: var(--text);
  font-family: var(--font-display);
  line-height: 1.5;
  overflow-x: hidden;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--amber);
  margin-bottom: 1rem;
  font-weight: 500;
}
.eyebrow.center { text-align: center; }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; letter-spacing: -0.01em; }

h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: 1.08; }
h2 { font-size: clamp(2rem, 4vw, 2.9rem); line-height: 1.2; margin-bottom: 1.25rem; }
h3 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 0.6rem; }

.tagline {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1.5rem;
  letter-spacing: 0.01em;
}

.lead {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 62ch;
}
.lead + .lead { margin-top: 1rem; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

.section-inner {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 6.5rem 2rem;
}
.section-inner.narrow { max-width: 780px; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 7, 5, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 1.15rem;
}
.logo-mark { width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%; object-fit: cover; }
.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.nav-links a:hover { color: var(--gold); }
.nav-toggle { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
.btn-primary {
  background: var(--grad);
  color: #1a0d05;
  box-shadow: 0 8px 30px -8px rgba(255, 122, 40, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 36px -6px rgba(255, 122, 40, 0.7); }
.btn-ghost {
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-lg { padding: 1rem 2.1rem; font-size: 1.02rem; }
.btn-nav { flex-shrink: 0; }

/* Hero */
.hero {
  position: relative;
  padding: 8rem 2rem 7rem;
  text-align: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(255, 157, 61, 0.28) 0%, rgba(255, 90, 31, 0.08) 40%, transparent 70%);
  filter: blur(10px);
  z-index: 0;
}
.hero-glow-2 {
  top: auto;
  bottom: -30%;
  right: -10%;
  left: auto;
  transform: none;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(255, 90, 31, 0.22) 0%, transparent 65%);
}
.hero-bolt {
  position: absolute;
  bottom: -4%;
  left: -2%;
  width: 220px;
  height: auto;
  z-index: 1;
  opacity: 0.9;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 820px; margin: 0 auto; }
.hero h1 { margin-bottom: 1.5rem; }
.hero-sub { font-size: 1.15rem; color: var(--text-dim); max-width: 56ch; margin: 0 auto 2.5rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Problem */
.problem { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* System stages */
.stage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}
.stage-grid.two-col { grid-template-columns: repeat(2, 1fr); max-width: 760px; margin-left: auto; margin-right: auto; }
.stage-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem 1.5rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.stage-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.stage-card.highlight {
  border-color: rgba(255, 157, 61, 0.55);
  background: linear-gradient(160deg, rgba(255, 157, 61, 0.1), var(--bg-card) 60%);
}
.stage-num {
  font-family: var(--font-mono);
  color: var(--amber);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  display: block;
}
.stage-card p { color: var(--text-dim); font-size: 0.95rem; }

/* Mechanics */
.mechanics { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.mech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}
.mech-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.mech-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.mech-card p:last-child { color: var(--text-dim); font-size: 0.95rem; }
.drill-note {
  text-align: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-top: 2.5rem;
}

/* Proof */
.video-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(255,157,61,0.12), var(--bg-card) 60%);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  padding: 2rem;
  margin: 2.5rem 0;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.video-card:hover { transform: translateY(-4px); border-color: var(--gold); }
.video-play {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a0d05;
}
.video-play svg { width: 26px; height: 26px; }
.video-card-text { display: flex; flex-direction: column; gap: 0.3rem; text-align: left; }
.video-card-text strong { font-size: 1.1rem; }
.video-card-text span { color: var(--text-dim); font-size: 0.92rem; }

/* CTA */
.cta {
  background: linear-gradient(180deg, var(--bg) 0%, var(--deep-red) 140%);
  border-top: 1px solid var(--border);
}
.cta h2 { margin-bottom: 1rem; }
.cta .lead { margin: 0 auto 2.5rem; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 2.5rem 2rem; }
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-inner a:hover { color: var(--gold); }
.footer-socials { display: flex; gap: 1.75rem; font-size: 0.9rem; color: var(--text-dim); flex-wrap: wrap; }
.footer-copy { margin-left: auto; color: var(--text-faint); font-size: 0.85rem; }

/* About */
.about-inner { max-width: 980px; }
.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 2.75rem;
  align-items: center;
}
.about-photo {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--border-strong);
  box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  object-fit: cover;
}

/* Legal pages */
.legal-header {
  text-align: center;
  padding: 4rem 1.5rem 1rem;
}
.legal-logo { width: 56px; height: 56px; margin: 0 auto 1.5rem; display: block; border-radius: 50%; object-fit: cover; }
.legal-updated {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-top: 0.5rem;
}
.legal-body h2 {
  font-size: 1.4rem;
  margin-top: 2.75rem;
  margin-bottom: 0.9rem;
}
.legal-body h2:first-child { margin-top: 0; }
.legal-body p, .legal-body li {
  color: var(--text-dim);
  font-size: 1rem;
  max-width: 68ch;
}
.legal-body ul, .legal-body ol {
  margin: 0.75rem 0 0.75rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.legal-body p + p { margin-top: 0.75rem; }
.back-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--amber);
  margin-bottom: 2rem;
}
.back-link:hover { color: var(--gold); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* Mobile */
.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.5rem 2rem 2rem;
  border-top: 1px solid var(--border);
}
.nav-mobile a { color: var(--text-dim); }
.nav-mobile.open { display: flex; }

@media (max-width: 900px) {
  .nav-links, .btn-nav { display: none; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    margin-left: auto;
    padding: 0.4rem;
  }
  .nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }
  .stage-grid { grid-template-columns: repeat(2, 1fr); }
  .mech-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 340px; margin: 0 auto; }
  .section-inner { padding: 4.5rem 1.5rem; }
}

@media (max-width: 520px) {
  .stage-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-copy { margin-left: 0; }
}