:root {
  --bg: #0a0b0d;
  --bg-elevated: #111318;
  --bg-card: #161920;
  --fg: #e8e9ed;
  --fg-muted: #8b8f9a;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.12);
  --accent-glow: rgba(0, 212, 170, 0.25);
  --warning: #ff6b35;
  --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);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ===== HERO ===== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, var(--accent-glow) 0%, transparent 70%),
    var(--bg);
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.hero-inner {
  max-width: 780px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid rgba(0, 212, 170, 0.2);
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  color: var(--fg);
  margin-bottom: 24px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

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

.stat { text-align: center; }

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 24px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-align: center;
  margin-bottom: 56px;
}

.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: 36px 28px;
}

.problem-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 107, 53, 0.12);
  color: var(--warning);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.problem-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--fg);
}

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

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

.features-inner {
  max-width: 900px;
  margin: 0 auto;
}

.feature-block {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.feature-block:last-child {
  border-bottom: none;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-dim);
  line-height: 1;
  color: rgba(0, 212, 170, 0.3);
}

.feature-content h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* ===== WORKFLOW ===== */
.workflow {
  padding: 100px 24px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.workflow-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.workflow h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 56px;
}

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

.step {
  flex: 1;
  min-width: 160px;
  max-width: 200px;
  padding: 0 16px;
}

.step-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.55;
}

.step-connector {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(0, 212, 170, 0.2));
  margin-top: 23px;
  flex-shrink: 0;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  background:
    radial-gradient(ellipse 50% 50% at 50% 100%, var(--accent-glow) 0%, transparent 70%),
    var(--bg);
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 24px;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 6px;
}

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

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

  .feature-block {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .feature-number {
    font-size: 2rem;
  }

  .workflow-steps {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    width: 2px;
    height: 24px;
    margin: 0;
    background: linear-gradient(180deg, var(--accent), rgba(0, 212, 170, 0.2));
  }

  .step {
    max-width: 280px;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 80px 24px 60px;
  }
}