:root {
  --bg: #0a0a0a;
  --fg: #f0ede6;
  --fg-muted: #9a9590;
  --accent: #25D366;
  --accent-dim: #1a9e4a;
  --surface: #141414;
  --surface-border: #222;
  --warm: #e8a64c;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}

.hero-inner {
  max-width: 820px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  margin-bottom: 28px;
}

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

.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-muted);
  max-width: 180px;
}

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

.hero-gradient {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 70vw;
  height: 70vw;
  max-width: 800px;
  max-height: 800px;
  background: radial-gradient(circle, rgba(37,211,102,0.08) 0%, rgba(37,211,102,0.02) 40%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}

/* ─── PROBLEM ─── */
.problem {
  padding: 100px 40px;
  background: var(--surface);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 56px;
  max-width: 700px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  background: var(--bg);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: border-color 0.2s;
}

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

.problem-icon {
  font-size: 2rem;
  margin-bottom: 20px;
}

.problem-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ─── FEATURES ─── */
.features {
  padding: 100px 40px;
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 56px;
  max-width: 640px;
}

.features-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.features-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

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

.feature-block {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 40px 32px;
  transition: border-color 0.2s;
}

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

.feature-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(37,211,102,0.04) 100%);
}

.feature-tag {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--warm);
  margin-bottom: 16px;
}

.feature-block h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.feature-block p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 520px;
}

/* ─── HOW ─── */
.how {
  padding: 100px 40px;
  background: var(--surface);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
}

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

.how h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 56px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  min-width: 80px;
}

.step-content h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ─── CLOSING ─── */
.closing {
  padding: 120px 40px;
  text-align: center;
}

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

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 20px;
}

.closing-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--accent);
}

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

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

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

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero { padding: 80px 24px 60px; }
  .problem { padding: 64px 24px; }
  .features { padding: 64px 24px; }
  .how { padding: 64px 24px; }
  .closing { padding: 80px 24px; }
  .site-footer { padding: 32px 24px; }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .feature-large {
    grid-column: 1;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .stat-divider {
    width: 48px;
    height: 1px;
  }

  .step {
    flex-direction: column;
    gap: 12px;
  }

  .step-num {
    font-size: 2rem;
    min-width: auto;
  }

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

@media (max-width: 480px) {
  .hero h1 { font-size: 2.4rem; }
  .stat-number { font-size: 1.6rem; }
}