:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a25;
  --fg: #e8e6e3;
  --fg-muted: #8a8897;
  --fg-dim: #5a586a;
  --accent: #f97316;
  --accent-soft: rgba(249, 115, 22, 0.12);
  --accent-glow: rgba(249, 115, 22, 0.25);
  --green: #22c55e;
  --red: #ef4444;
  --border: #2a2a38;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, var(--accent-glow), transparent 70%);
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(249, 115, 22, 0.2);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  max-width: 800px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 48px;
}

.stat { text-align: center; }

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

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

/* ===== PROBLEM ===== */
.problem {
  padding: 120px 24px;
  background: var(--bg);
}

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  text-align: center;
}

.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 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: 10px;
  color: var(--accent);
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--fg);
}

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

/* ===== FEATURES ===== */
.features {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

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

.features-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 64px;
}

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

.feature-row {
  display: flex;
  gap: 32px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

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

.feature-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-dim);
  min-width: 36px;
  padding-top: 4px;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg);
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== HOW ===== */
.how {
  padding: 120px 24px;
  background: var(--bg);
}

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

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.how-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 56px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  text-align: left;
}

.comp-col {
  border-radius: var(--radius);
  padding: 36px 32px;
}

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

.comp-new {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.08), rgba(249, 115, 22, 0.02));
  border: 1px solid rgba(249, 115, 22, 0.2);
}

.comp-header {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  color: var(--fg-dim);
}

.comp-new .comp-header {
  color: var(--accent);
}

.comp-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comp-col li {
  font-size: 0.95rem;
  color: var(--fg-muted);
  padding-left: 24px;
  position: relative;
}

.comp-old li::before {
  content: '\2717';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 600;
}

.comp-new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 600;
}

.comp-new li {
  color: var(--fg);
}

/* ===== CLOSING ===== */
.closing {
  padding: 140px 24px;
  text-align: center;
  background: var(--bg-elevated);
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow), transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 20px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 6px;
}

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

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

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

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    padding: 24px 32px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

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

  .hero {
    padding: 80px 20px 60px;
    min-height: auto;
  }

  .problem,
  .features,
  .how,
  .closing {
    padding: 80px 20px;
  }
}