:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #ff6b2b;
  --accent-glow: rgba(255, 107, 43, 0.15);
  --accent-dim: #cc5520;
  --surface: #1a1a28;
  --surface-border: #2a2a3a;
  --green: #34d399;
  --red: #f87171;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 0.4rem 1.2rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--fg) 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.hero-stat {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  padding: 1rem 1.5rem;
}

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

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-align: left;
  max-width: 240px;
}

/* === PROBLEM === */
.problem {
  padding: 8rem 2rem;
  background: var(--bg-subtle);
}

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

.problem h2, .how h2, .numbers h2, .closing h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1.5rem;
  text-align: center;
}

.section-desc {
  text-align: center;
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.comparison {
  display: flex;
  align-items: stretch;
  gap: 1.5rem;
  justify-content: center;
}

.comp-card {
  flex: 1;
  max-width: 360px;
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid var(--surface-border);
}

.comp-old {
  background: var(--surface);
}

.comp-new {
  background: linear-gradient(135deg, rgba(255,107,43,0.08), rgba(255,107,43,0.02));
  border-color: var(--accent-dim);
}

.comp-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--surface-border);
}

.comp-old .comp-label { color: var(--red); }
.comp-new .comp-label { color: var(--accent); }

.comp-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.comp-card li {
  font-size: 0.95rem;
  color: var(--fg-muted);
  padding-left: 1.5rem;
  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-vs {
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* === HOW === */
.how {
  padding: 8rem 2rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.step {
  padding: 2rem;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  transition: border-color 0.3s;
}

.step:hover {
  border-color: var(--accent-dim);
}

.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 1rem;
}

.step h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

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

/* === NUMBERS === */
.numbers {
  padding: 8rem 2rem;
  background: var(--bg-subtle);
}

.number-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.number-item {
  text-align: center;
  padding: 2rem 1rem;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--surface-border);
}

.big-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

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

/* === CLOSING === */
.closing {
  padding: 8rem 2rem;
  text-align: center;
}

.closing h2 {
  max-width: 700px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--fg), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* === FOOTER === */
.site-footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid var(--surface-border);
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

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

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .comparison {
    flex-direction: column;
    align-items: center;
  }
  .comp-card {
    max-width: 100%;
    width: 100%;
  }
  .comp-vs {
    padding: 0.5rem 0;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .number-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero {
    padding: 4rem 1.5rem 3rem;
    min-height: auto;
  }
  .hero-stat {
    flex-direction: column;
    text-align: center;
  }
  .stat-label {
    text-align: center;
  }
  .problem, .how, .numbers, .closing {
    padding: 5rem 1.5rem;
  }
}