:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #4af0c0;
  --accent-dim: rgba(74, 240, 192, 0.12);
  --accent-glow: rgba(74, 240, 192, 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;
  overflow-x: hidden;
}

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

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

.hero-inner {
  max-width: 860px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* === CTA BUTTONS === */
.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
  letter-spacing: -0.01em;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  transition: color 0.15s, border-color 0.15s;
}
.btn-secondary:hover { color: var(--fg); border-color: var(--fg-muted); }

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-top: 16px;
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 6px;
  line-height: 1.4;
}

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

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  filter: blur(100px);
  pointer-events: none;
  z-index: 1;
}

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

.problem-inner {
  max-width: 960px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.problem-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 680px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.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: 600;
  color: var(--accent);
  margin-bottom: 16px;
  opacity: 0.7;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* === FEATURES === */
.features {
  padding: 100px 24px;
}

.features-inner {
  max-width: 800px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 64px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.features-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 540px;
}

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

.feature {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.feature-marker {
  width: 12px;
  height: 12px;
  min-width: 12px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 8px;
  box-shadow: 0 0 16px var(--accent-glow);
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

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

.how-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.how-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.how-step {
  flex: 1;
  max-width: 240px;
  text-align: center;
  padding: 0 16px;
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.how-step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.how-step p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

.how-connector {
  width: 48px;
  min-width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent), var(--accent-dim));
  margin-top: 24px;
  align-self: flex-start;
}

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

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* === FOOTER === */
.footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* === MOBILE === */
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 60px 20px 48px; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .stat-divider { width: 48px; height: 1px; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem { padding: 64px 20px; }
  .features { padding: 64px 20px; }
  .how { padding: 64px 20px; }
  .how-steps { flex-direction: column; align-items: center; gap: 24px; }
  .how-connector { width: 2px; height: 32px; min-width: 2px; margin-top: 0; }
  .closing { padding: 80px 20px; }
  .feature { flex-direction: column; gap: 12px; }
  .feature-marker { margin-top: 0; }
}