:root {
  --bg: #0c0a09;
  --bg-elevated: #1c1917;
  --bg-card: #292524;
  --fg: #fafaf9;
  --fg-muted: #a8a29e;
  --accent: #d97706;
  --accent-light: #fbbf24;
  --accent-glow: rgba(217, 119, 6, 0.15);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 12px;
  --max-width: 1140px;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  position: relative;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, var(--accent-glow), transparent);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  font-weight: 300;
}

.hero-metric {
  max-width: var(--max-width);
  margin: 60px auto 0;
  width: 100%;
  padding: 32px 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--bg-card);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 28px;
}

.metric-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--accent-light);
  white-space: nowrap;
  flex-shrink: 0;
}

.metric-label {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.6;
  font-weight: 300;
}

/* PROBLEM */
.problem {
  padding: 100px 24px;
}

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

.problem h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

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

.problem-card {
  background: var(--bg-elevated);
  border: 1px solid var(--bg-card);
  border-radius: var(--radius);
  padding: 36px 28px;
}

.problem-stat {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--accent-light);
  margin-bottom: 12px;
}

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

/* FEATURES */
.features {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

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

.features-header {
  margin-bottom: 56px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.features-intro {
  font-size: 1.05rem;
  color: var(--fg-muted);
  font-weight: 300;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-block {
  background: var(--bg);
  border: 1px solid var(--bg-card);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: border-color 0.2s;
}

.feature-block:hover {
  border-color: var(--accent);
}

.feature-primary {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg), var(--accent-glow));
}

.feature-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  display: block;
}

.feature-block h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-block p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
  font-weight: 300;
}

/* PROOF */
.proof {
  padding: 100px 24px;
}

.proof-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.proof-left h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  position: sticky;
  top: 40px;
}

.proof-right {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.proof-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--bg-card);
}

.proof-icon {
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.proof-item h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.proof-item p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
  font-weight: 300;
}

/* CLOSING */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: radial-gradient(ellipse 80% 50% at 50% 110%, var(--accent-glow), transparent);
}

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

.closing h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  line-height: 1.1;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  font-weight: 300;
}

.closing-vision {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--accent-light);
  line-height: 1.5;
}

/* FOOTER */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--bg-card);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg);
}

.footer-sep {
  color: var(--fg-muted);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-weight: 300;
}

/* NAV */
.site-nav {
  padding: 16px 24px;
  border-bottom: 1px solid var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 10, 9, 0.92);
  backdrop-filter: blur(8px);
}

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

.nav-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--fg);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-cta {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  padding: 8px 18px;
  border-radius: 100px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.nav-cta:hover { opacity: 0.85; }

.nav-link {
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* HERO CTA */
.hero-cta-wrap {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-cta {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--bg);
  background: var(--accent);
  padding: 14px 32px;
  border-radius: 100px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.1s;
}

.hero-cta:hover { opacity: 0.9; }
.hero-cta:active { transform: scale(0.98); }

.hero-cta-sub {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-weight: 300;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .proof-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .proof-left h2 {
    position: static;
  }
  
  .hero-metric {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .hero {
    min-height: auto;
    padding: 60px 20px 48px;
  }
  
  .problem,
  .features,
  .proof,
  .closing {
    padding: 64px 20px;
  }
}