:root {
  --bg: #0a0a0f;
  --bg-raised: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #00e87b;
  --accent-dim: rgba(0, 232, 123, 0.12);
  --accent-glow: rgba(0, 232, 123, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === HERO === */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.4;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

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

.lede {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 600px;
  margin-bottom: 56px;
  position: relative;
  z-index: 1;
}

.hero-stats {
  display: flex;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* === PROBLEM === */
.problem {
  padding: 100px 24px;
  background: var(--bg-raised);
}

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem-statement {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  max-width: 700px;
}

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* === FEATURES === */
.features {
  padding: 100px 24px;
  max-width: 800px;
  margin: 0 auto;
}

.section-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--fg-muted);
  margin-bottom: 64px;
  max-width: 500px;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.feature-row {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.feature-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 40px;
  padding-top: 4px;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-content p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* === HOW / AUDIENCE === */
.how {
  padding: 100px 24px;
  background: var(--bg-raised);
}

.how .section-label {
  text-align: center;
  margin-bottom: 48px;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: border-color 0.2s ease;
}

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

.audience-emoji {
  font-size: 2rem;
  margin-bottom: 12px;
}

.audience-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.audience-card p {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* === CLOSING === */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.3;
}

.closing-inner {
  position: relative;
  z-index: 1;
  max-width: 650px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* === FOOTER === */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero { min-height: 80vh; padding: 60px 20px 40px; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .stat-divider { width: 48px; height: 1px; }
  .problem-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-row { flex-direction: column; gap: 12px; }
  .problem { padding: 60px 20px; }
  .features { padding: 60px 20px; }
  .how { padding: 60px 20px; }
  .closing { padding: 80px 20px; }
}

@media (max-width: 480px) {
  .audience-grid { grid-template-columns: 1fr; }
}