:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #181824;
  --fg: #e8e8f0;
  --fg-muted: #8888a0;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --accent-glow: rgba(0, 229, 160, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --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: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, var(--accent-glow), transparent),
    var(--bg);
}

.hero-inner {
  max-width: 820px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 160, 0.2);
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stat-row {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-width: 160px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 4px;
  text-align: center;
  max-width: 140px;
}

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

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

.problem-label,
.how-label,
.verticals-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 20px;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin-bottom: 56px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

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

.problem-card:hover {
  border-color: rgba(0, 229, 160, 0.3);
}

.problem-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

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

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

/* ---- HOW ---- */
.how {
  padding: 100px 24px;
}

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

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 48px;
}

.step {
  display: flex;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child {
  border-bottom: none;
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-dim);
  line-height: 1;
  min-width: 72px;
  color: rgba(0, 229, 160, 0.3);
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* ---- VERTICALS ---- */
.verticals {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

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

.verticals h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.vert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.vert-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.2s, border-color 0.2s;
}

.vert-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 229, 160, 0.3);
}

.vert-emoji {
  font-size: 2rem;
  margin-bottom: 14px;
}

.vert-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.vert-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  background:
    radial-gradient(ellipse 50% 40% at 50% 100%, var(--accent-glow), transparent),
    var(--bg);
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

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

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.footer-sub {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

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

.footer-built a {
  color: var(--accent);
  text-decoration: none;
}

.footer-built a:hover {
  text-decoration: underline;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .hero {
    min-height: auto;
    padding: 60px 20px 48px;
  }
  .hero-stat-row {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }
  .hero-stat {
    width: 100%;
    max-width: 280px;
  }
  .step {
    flex-direction: column;
    gap: 12px;
  }
  .step-num {
    font-size: 2rem;
  }
  .problem,
  .how,
  .verticals,
  .closing {
    padding: 64px 20px;
  }
}