:root {
  --bg: #0a0e17;
  --bg-surface: #111827;
  --bg-elevated: #1a2332;
  --fg: #e8ecf1;
  --fg-muted: #8b95a5;
  --fg-dim: #5a6577;
  --accent: #f97316;
  --accent-light: #fb923c;
  --accent-glow: rgba(249, 115, 22, 0.15);
  --green: #22c55e;
  --red: #ef4444;
  --border: #1e293b;
  --radius: 12px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 4rem 2rem;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1px solid rgba(249, 115, 22, 0.25);
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  color: var(--fg);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

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

.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 680px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  align-items: center;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
}

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

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-dim);
  max-width: 160px;
}

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

/* PROBLEM */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-surface);
}

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

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.problem-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 700px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.2s;
}

.problem-card:hover {
  border-color: rgba(249, 115, 22, 0.3);
}

.problem-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.problem-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--fg);
}

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

/* FEATURES */
.features {
  padding: 6rem 2rem;
  background: var(--bg);
}

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

.features-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 3.5rem;
  letter-spacing: -0.02em;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-row {
  display: flex;
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  align-items: flex-start;
}

.feature-row:last-child {
  border-bottom: 1px solid var(--border);
}

.feature-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  min-width: 80px;
}

.feature-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--fg);
}

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

/* HOW / COMPARISON */
.how {
  padding: 6rem 2rem;
  background: var(--bg-surface);
}

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

.how h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.how-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 700px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.comp-col {
  border-radius: var(--radius);
  padding: 2rem;
}

.comp-old {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.comp-new {
  background: var(--accent-glow);
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.comp-col h3 {
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
  color: var(--fg);
}

.comp-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.comp-old li {
  font-size: 0.95rem;
  color: var(--fg-dim);
  padding-left: 1.5rem;
  position: relative;
}

.comp-old li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: var(--red);
  font-size: 0.85rem;
}

.comp-new li {
  font-size: 0.95rem;
  color: var(--fg);
  padding-left: 1.5rem;
  position: relative;
}

.comp-new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.85rem;
}

/* CLOSING */
.closing {
  padding: 6rem 2rem;
  background: var(--bg);
  text-align: center;
}

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

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.closing p {
  font-size: 1.15rem;
  color: var(--fg-muted);
  line-height: 1.8;
}

/* FOOTER */
.site-footer {
  padding: 2.5rem 2rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

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

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 3rem 1.25rem;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .stat-divider {
    display: none;
  }

  .problem, .features, .how, .closing {
    padding: 4rem 1.25rem;
  }

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

  .feature-row {
    flex-direction: column;
    gap: 0.5rem;
  }

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

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

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}