:root {
  --bg: #0a0a0c;
  --bg-elevated: #111115;
  --bg-card: #16161b;
  --fg: #e8e4df;
  --fg-muted: #8a8680;
  --fg-dim: #5a5754;
  --accent: #d4a04a;
  --accent-glow: rgba(212, 160, 74, 0.15);
  --accent-bright: #e8b85c;
  --border: #222228;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1140px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--fg);
  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;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.hero-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: var(--space-md);
}

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

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 480px;
  margin: 0 auto;
  font-weight: 300;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 45%, var(--accent-glow), transparent),
    radial-gradient(ellipse 80% 60% at 30% 70%, rgba(90, 50, 20, 0.08), transparent),
    radial-gradient(ellipse 40% 40% at 70% 30%, rgba(212, 160, 74, 0.06), transparent);
  pointer-events: none;
  z-index: 1;
}

/* ---- Section Tags ---- */
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.3em 0.8em;
  border-radius: 2px;
  margin-bottom: var(--space-sm);
}

/* ---- Philosophy ---- */
.philosophy {
  padding: var(--space-2xl) var(--space-md);
  border-top: 1px solid var(--border);
}

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

.philosophy-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fg);
  margin-top: var(--space-sm);
}

.philosophy-right p {
  color: var(--fg-muted);
  margin-bottom: var(--space-sm);
  font-size: 1.05rem;
}

.philosophy-highlight {
  color: var(--fg) !important;
  font-weight: 500;
  border-left: 2px solid var(--accent);
  padding-left: var(--space-sm);
  margin-top: var(--space-md) !important;
}

/* ---- Frameworks ---- */
.frameworks {
  padding: var(--space-2xl) var(--space-md);
  background: var(--bg-elevated);
}

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

.frameworks-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
}

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

.framework-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: var(--space-md) var(--space-md) var(--space-lg);
  transition: border-color 0.3s ease;
}

.framework-card:hover {
  border-color: var(--accent);
}

.framework-number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.framework-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-bright);
  margin-bottom: var(--space-xs);
}

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

/* ---- Journey ---- */
.journey {
  padding: var(--space-2xl) var(--space-md);
  border-top: 1px solid var(--border);
}

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

.journey-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
}

.journey-content p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
}

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

.level {
  height: 48px;
  display: flex;
  align-items: center;
  padding-left: var(--space-md);
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg);
  background: linear-gradient(
    90deg,
    rgba(212, 160, 74, calc(0.04 + var(--i) * 0.035)),
    transparent
  );
  border-left: 3px solid rgba(212, 160, 74, calc(0.2 + var(--i) * 0.1));
  transition: background 0.3s ease;
}

.level:hover {
  background: linear-gradient(
    90deg,
    rgba(212, 160, 74, calc(0.08 + var(--i) * 0.04)),
    transparent
  );
}

/* ---- Closing ---- */
.closing {
  padding: var(--space-2xl) var(--space-md);
  text-align: center;
  background: var(--bg-elevated);
}

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

.closing-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.closing-statement {
  color: var(--fg-muted);
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* ---- Footer ---- */
.site-footer {
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--border);
}

.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-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
}

.footer-links a {
  color: var(--fg-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .philosophy-inner,
  .journey-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

  .hero {
    min-height: 80vh;
    padding: var(--space-xl) var(--space-sm);
  }

  .philosophy,
  .frameworks,
  .journey,
  .closing {
    padding: var(--space-xl) var(--space-sm);
  }

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

  .level-stack {
    margin-top: var(--space-md);
  }
}