:root {
  --bg-primary: #0C0A09;
  --bg-secondary: #1A1714;
  --bg-card: #1F1C18;
  --bg-card-hover: #262219;
  --fg-primary: #F5F0E8;
  --fg-secondary: #A39B8B;
  --fg-muted: #6B6356;
  --accent: #C9A84C;
  --accent-soft: rgba(201, 168, 76, 0.15);
  --accent-glow: rgba(201, 168, 76, 0.08);
  --rose: #D4726A;
  --rose-soft: rgba(212, 114, 106, 0.12);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --max-w: 1120px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

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

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, var(--accent-glow), transparent),
    radial-gradient(ellipse 40% 60% at 20% 80%, var(--rose-soft), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  max-width: 580px;
  font-size: 1.15rem;
  color: var(--fg-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(201, 168, 76, 0.15);
  max-width: 480px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--fg-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--fg-muted);
  opacity: 0.3;
}

.hero-strand {
  position: absolute;
  right: 8%;
  top: 15%;
  bottom: 15%;
  width: 120px;
  display: flex;
  justify-content: space-between;
  opacity: 0.08;
}

.strand-line {
  width: 2px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--accent) 20%,
    var(--rose) 50%,
    var(--accent) 80%,
    transparent 100%
  );
  border-radius: 2px;
}

.strand-line:nth-child(2) {
  margin-top: 60px;
  height: calc(100% - 60px);
}

.strand-line:nth-child(3) {
  margin-top: 30px;
  height: calc(100% - 30px);
}

/* SYSTEMS SECTION */
.systems {
  padding: var(--space-2xl) var(--space-md);
  background: var(--bg-secondary);
}

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

.section-eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.systems h2, .edge h2, .protocol h2, .closing h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.systems h2 em, .edge h2 em, .protocol h2 em, .closing h2 em {
  font-style: italic;
  color: var(--accent);
}

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

.system-card {
  background: var(--bg-card);
  border: 1px solid rgba(201, 168, 76, 0.08);
  border-radius: 12px;
  padding: var(--space-md);
  transition: background 0.3s, border-color 0.3s;
}

.system-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(201, 168, 76, 0.2);
}

.system-icon {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  opacity: 0.6;
}

.system-card h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--fg-primary);
}

.system-card p {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* EDGE SECTION */
.edge {
  padding: var(--space-2xl) var(--space-md);
  background: var(--bg-primary);
}

.edge-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.edge-body {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  line-height: 1.85;
  margin-top: var(--space-sm);
}

.edge-comparisons {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.comparison {
  background: var(--bg-card);
  border-radius: 12px;
  padding: var(--space-md);
  border: 1px solid rgba(201, 168, 76, 0.06);
}

.comp-label {
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.comp-them {
  color: var(--fg-muted);
}

.comp-us {
  color: var(--accent);
}

.comparison ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.comparison li {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  padding-left: 1.2rem;
  position: relative;
}

.comparison li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fg-muted);
}

.comp-us + ul li::before {
  background: var(--accent);
}

/* PROTOCOL / KITS SECTION */
.protocol {
  padding: var(--space-2xl) var(--space-md);
  background: var(--bg-secondary);
}

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

.kits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-sm);
}

.kit-card {
  background: var(--bg-card);
  border: 1px solid rgba(201, 168, 76, 0.06);
  border-radius: 16px;
  padding: var(--space-md) var(--space-md) calc(var(--space-md) + 8px);
  transition: transform 0.3s, border-color 0.3s;
}

.kit-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 168, 76, 0.2);
}

.kit-featured {
  border-color: var(--accent);
  background: linear-gradient(165deg, var(--bg-card) 0%, rgba(201, 168, 76, 0.06) 100%);
}

.kit-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 8px;
  line-height: 1;
}

.kit-card h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--fg-primary);
}

.kit-card p {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* CLOSING */
.closing {
  padding: var(--space-2xl) var(--space-md);
  background: var(--bg-primary);
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  margin-bottom: var(--space-md);
}

.closing-body {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  line-height: 1.85;
}

/* FOOTER */
.site-footer {
  padding: var(--space-lg) var(--space-md);
  background: var(--bg-primary);
  border-top: 1px solid rgba(201, 168, 76, 0.06);
}

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

.footer-brand {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
}

.footer-tagline {
  font-size: 0.75rem;
  color: var(--fg-muted);
  opacity: 0.5;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: var(--space-lg) var(--space-sm);
    padding-top: calc(var(--space-lg) + 2rem);
  }

  .hero-strand {
    display: none;
  }

  .hero-stats {
    gap: var(--space-sm);
  }

  .stat-num {
    font-size: 1.6rem;
  }

  .edge-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .systems-grid, .kits-grid {
    grid-template-columns: 1fr;
  }

  .systems, .edge, .protocol, .closing {
    padding: var(--space-lg) var(--space-sm);
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-stats {
    flex-wrap: wrap;
  }
}