@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --fg-primary: #f0f0f5;
  --fg-secondary: #8a8a9a;
  --fg-muted: #55556a;
  --accent: #00c8ff;
  --accent-glow: rgba(0, 200, 255, 0.15);
  --accent-secondary: #6e5fff;
  --border: #1e1e2e;
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- HERO ---- */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
  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;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 780px;
  margin-bottom: 24px;
}

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

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--fg-secondary);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-metric-row {
  display: flex;
  gap: 48px;
  align-items: center;
}

.hero-metric {
  text-align: center;
}

.hero-metric .number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.hero-metric .label {
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

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

.problem-inner {
  max-width: 1140px;
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  max-width: 600px;
  margin-bottom: 48px;
}

.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: 28px;
}

.problem-card .stat {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 8px;
}

.problem-card .stat-label {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.5;
}

/* ---- HOW IT WORKS ---- */
.how-it-works {
  padding: 100px 24px;
}

.how-inner {
  max-width: 1140px;
  margin: 0 auto;
}

.how-it-works h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.how-it-works .section-desc {
  color: var(--fg-secondary);
  font-size: 1.1rem;
  max-width: 500px;
  margin-bottom: 56px;
}

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

.step {
  position: relative;
  padding: 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 4rem;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.step p {
  color: var(--fg-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

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

.features-inner {
  max-width: 1140px;
  margin: 0 auto;
}

.features h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 56px;
  max-width: 500px;
}

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

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

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

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 18px;
}

.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

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

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.closing p {
  color: var(--fg-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto;
}

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

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

footer .brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  color: var(--fg-secondary);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .problem-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .hero-metric-row {
    flex-direction: column;
    gap: 24px;
  }

  .hero {
    padding: 80px 20px 60px;
    min-height: auto;
  }

  .problem,
  .how-it-works,
  .features,
  .closing {
    padding: 64px 20px;
  }
}