:root {
  --bg-primary: #0a0a0c;
  --bg-secondary: #111114;
  --bg-card: #16161a;
  --bg-card-hover: #1c1c21;
  --fg-primary: #e8e6e3;
  --fg-secondary: #8a8a8e;
  --fg-muted: #5a5a5e;
  --accent: #e8940a;
  --accent-dim: #c47a08;
  --accent-glow: rgba(232, 148, 10, 0.15);
  --border: #222226;
  --border-accent: #333338;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-body: 'Space Grotesk', sans-serif;
  --max-width: 1140px;
  --section-pad: 120px;
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* === HERO === */
.hero {
  position: relative;
  padding: 160px 40px 80px;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(232, 148, 10, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 148, 10, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 70%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(232, 148, 10, 0.25);
  padding: 6px 16px;
  border-radius: 4px;
  margin-bottom: 32px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--fg-primary);
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-secondary);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 64px;
}

.hero-stat-row {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.stat-card {
  background: var(--bg-card);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-context {
  font-size: 13px;
  color: var(--fg-secondary);
}

/* === FRAMEWORK === */
.framework {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
}

.framework h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--fg-secondary);
  max-width: 640px;
  margin-bottom: 60px;
  line-height: 1.7;
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.fw-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 32px;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.fw-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.fw-number {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-dim);
  margin-bottom: 20px;
}

.fw-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--fg-primary);
}

.fw-card p {
  font-size: 14px;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* === ADVANTAGES === */
.advantages {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.adv-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.adv-left h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  position: sticky;
  top: 40px;
}

.adv-right {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.adv-item {
  display: flex;
  gap: 24px;
}

.adv-line {
  width: 2px;
  min-height: 100%;
  background: linear-gradient(180deg, var(--accent) 0%, var(--border) 100%);
  border-radius: 1px;
  flex-shrink: 0;
}

.adv-content h4 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--fg-primary);
}

.adv-content p {
  font-size: 14px;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* === CLOSING === */
.closing {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-content {
  max-width: 720px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 17px;
  color: var(--fg-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
}

.closing-location {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

.loc-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
}

/* === FOOTER === */
.site-footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

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

.footer-logo {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg-primary);
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
}

.footer-contact {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-secondary);
}

.footer-line {
  height: 1px;
  background: var(--border);
  margin-bottom: 20px;
}

.footer-bottom {
  font-size: 13px;
  color: var(--fg-muted);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  :root {
    --section-pad: 80px;
  }

  .hero {
    padding: 100px 20px 60px;
  }

  .section-inner {
    padding: 0 20px;
  }

  .hero-stat-row {
    grid-template-columns: 1fr;
  }

  .framework-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .adv-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .adv-left h2 {
    position: static;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  :root {
    --section-pad: 60px;
  }

  .hero {
    padding: 80px 16px 48px;
  }

  .section-inner {
    padding: 0 16px;
  }

  .stat-card {
    padding: 24px;
  }

  .fw-card {
    padding: 28px 24px;
  }
}