:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e6e3;
  --fg-muted: #8a8a96;
  --accent: #6ee7b7;
  --accent-dim: rgba(110, 231, 183, 0.12);
  --accent-glow: rgba(110, 231, 183, 0.25);
  --red-muted: #f87171;
  --red-dim: rgba(248, 113, 113, 0.1);
  --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: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 48px 80px;
  max-width: 960px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  width: fit-content;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 80px);
  margin-bottom: 28px;
  color: var(--fg);
}

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

.lede {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.6;
  margin-bottom: 56px;
}

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

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  display: block;
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 2px;
}

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

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 48px;
  max-width: 1080px;
  margin: 0 auto;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.problem-text h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 24px;
}

.problem-text p {
  color: var(--fg-muted);
  margin-bottom: 16px;
  font-size: 16px;
}

.contrast-card {
  padding: 28px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.contrast-card.old {
  background: var(--red-dim);
  border: 1px solid rgba(248, 113, 113, 0.15);
}

.contrast-card.new {
  background: var(--accent-dim);
  border: 1px solid rgba(110, 231, 183, 0.15);
}

.contrast-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.contrast-card.old .contrast-label { color: var(--red-muted); }
.contrast-card.new .contrast-label { color: var(--accent); }

.contrast-card ul {
  list-style: none;
  padding: 0;
}

.contrast-card li {
  color: var(--fg-muted);
  font-size: 15px;
  padding: 5px 0;
  padding-left: 18px;
  position: relative;
}

.contrast-card.old li::before {
  content: '\00D7';
  position: absolute;
  left: 0;
  color: var(--red-muted);
  font-weight: 700;
}

.contrast-card.new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ===== HOW ===== */
.how {
  padding: 100px 48px;
  max-width: 960px;
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 64px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 20px;
}

.step h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.step p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ===== VERTICALS ===== */
.verticals {
  padding: 100px 48px;
  max-width: 1080px;
  margin: 0 auto;
}

.verticals h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 56px;
}

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

.vertical-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color 0.2s;
}

.vertical-card:hover {
  border-color: rgba(110, 231, 183, 0.2);
}

.vertical-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}

.vertical-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.vertical-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.55;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 48px;
  text-align: center;
}

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

.closing h2 {
  font-size: clamp(28px, 5vw, 48px);
  margin-bottom: 24px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 17px;
  margin-bottom: 16px;
}

.closing-bold {
  color: var(--fg) !important;
  font-weight: 500;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 48px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 80px 24px 60px;
    min-height: 80vh;
  }

  .lede { font-size: 17px; }

  .hero-stats { gap: 20px; }

  .stat-number { font-size: 22px; }

  .stat-divider { height: 30px; }

  .problem { padding: 60px 24px; }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .how { padding: 60px 24px; }

  .steps {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .step-num { font-size: 36px; }

  .verticals { padding: 60px 24px; }

  .vertical-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .closing { padding: 80px 24px; }

  .site-footer { padding: 32px 24px; }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}