:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #e8e8e8;
  --fg-muted: #888;
  --accent: #c8ff00;
  --accent-dim: rgba(200, 255, 0, 0.1);
  --coral: #ff6b4a;
  --heading: 'Syne', sans-serif;
  --body: 'Plus Jakarta Sans', sans-serif;
  --radius: 12px;
  --max-w: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 40px 60px;
  position: relative;
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(200, 255, 0, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 20%, rgba(255, 107, 74, 0.04) 0%, transparent 50%),
    var(--bg);
}

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

.hero-tag {
  font-family: var(--heading);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--heading);
  font-weight: 800;
  font-size: clamp(48px, 8vw, 96px);
  line-height: 1.0;
  letter-spacing: -2px;
  color: #fff;
  margin-bottom: 32px;
}

.hero-sub {
  max-width: 600px;
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

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

.stat-num {
  font-family: var(--heading);
  font-weight: 800;
  font-size: 36px;
  color: var(--accent);
  letter-spacing: -1px;
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.4;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--fg-muted);
  opacity: 0.4;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 120px 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.problem-left h2 {
  font-family: var(--heading);
  font-weight: 700;
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.2;
  letter-spacing: -1px;
  color: #fff;
  position: sticky;
  top: 80px;
}

.problem-right p {
  color: var(--fg-muted);
  margin-bottom: 24px;
  font-size: 17px;
}

.problem-highlight {
  color: var(--accent) !important;
  font-weight: 600;
  font-size: 20px !important;
}

/* ===== HOW IT WORKS ===== */
.how {
  padding: 120px 40px;
  background: var(--bg-elevated);
}

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

.how h2 {
  font-family: var(--heading);
  font-weight: 700;
  font-size: clamp(28px, 3.5vw, 42px);
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 72px;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.step {
  padding: 40px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color 0.3s;
}

.step:hover {
  border-color: rgba(200, 255, 0, 0.2);
}

.step-num {
  font-family: var(--heading);
  font-weight: 800;
  font-size: 48px;
  color: rgba(200, 255, 0, 0.15);
  line-height: 1;
  margin-bottom: 24px;
}

.step h3 {
  font-family: var(--heading);
  font-weight: 700;
  font-size: 22px;
  color: #fff;
  margin-bottom: 12px;
}

.step p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ===== VERTICALS ===== */
.verticals {
  padding: 120px 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

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

.verticals h2 {
  font-family: var(--heading);
  font-weight: 700;
  font-size: clamp(28px, 3.5vw, 42px);
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 72px;
  max-width: 700px;
}

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

.vert-card {
  padding: 40px;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.3s, border-color 0.3s;
}

.vert-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 255, 0, 0.15);
}

.vert-icon {
  font-size: 32px;
  margin-bottom: 20px;
}

.vert-card h3 {
  font-family: var(--heading);
  font-weight: 700;
  font-size: 20px;
  color: #fff;
  margin-bottom: 8px;
}

.vert-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ===== CLOSING ===== */
.closing {
  padding: 140px 40px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 80%, rgba(200, 255, 0, 0.05) 0%, transparent 60%),
    var(--bg);
}

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

.closing h2 {
  font-family: var(--heading);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 28px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.closing-tagline {
  font-family: var(--heading);
  font-weight: 700;
  font-size: 24px;
  color: var(--accent);
  letter-spacing: -0.5px;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px;
  border-top: 1px solid rgba(255, 255, 255, 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(--heading);
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  letter-spacing: 1px;
}

.footer-contact {
  font-size: 14px;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 60px 24px 40px;
    min-height: 90vh;
  }

  .hero h1 {
    font-size: 40px;
    letter-spacing: -1px;
  }

  .hero-sub {
    font-size: 16px;
    margin-bottom: 40px;
  }

  .hero-stats {
    gap: 32px;
  }

  .stat-num {
    font-size: 28px;
  }

  .hero-scroll-hint {
    display: none;
  }

  .problem {
    padding: 80px 24px;
  }

  .problem-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .problem-left h2 {
    position: static;
  }

  .how {
    padding: 80px 24px;
  }

  .how-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .step {
    padding: 28px;
  }

  .verticals {
    padding: 80px 24px;
  }

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

  .vert-card {
    padding: 28px;
  }

  .closing {
    padding: 80px 24px;
  }

  .closing h2 {
    font-size: 28px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}