:root {
  --bg: #0a0a0a;
  --bg-surface: #111111;
  --bg-card: #1a1a1a;
  --fg: #e8e8e8;
  --fg-muted: #888888;
  --accent: #ff6b2b;
  --accent-glow: #ff8c5a;
  --heat: #ff4400;
  --heat-soft: rgba(255, 68, 0, 0.12);
  --cold: #4a9eff;
  --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: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  min-height: 90vh;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 4rem;
  padding: 6rem 8% 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 43, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--heat-soft);
  border: 1px solid rgba(255, 68, 0, 0.25);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .highlight {
  color: var(--cold);
  font-style: italic;
}

.hero h1 .heat {
  color: var(--heat);
  text-shadow: 0 0 40px rgba(255, 68, 0, 0.4);
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 107, 43, 0.2);
  border-radius: var(--radius);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--heat), var(--accent));
}

.stat-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-compare {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

/* ---- PROBLEM ---- */
.problem {
  padding: 6rem 8%;
  background: var(--bg-surface);
}

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

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

.problem-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.problem-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--cold);
  line-height: 1;
}

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

.problem-conclusion {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ---- HOW ---- */
.how {
  padding: 6rem 8%;
}

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

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3.5rem;
}

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

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  align-items: start;
}

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

.step-num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  padding-top: 2px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

/* ---- NUMBERS ---- */
.numbers {
  padding: 6rem 8%;
  background: var(--bg-surface);
}

.numbers-inner { max-width: 1100px; margin: 0 auto; text-align: center; }

.numbers h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3.5rem;
}

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

.number-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 2.5rem 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.number-big {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.number-label {
  font-size: 0.95rem;
  color: var(--fg-muted);
}

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

.closing-inner { max-width: 750px; margin: 0 auto; }

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 2.5rem 8%;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
}

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

/* ---- MOBILE ---- */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 4rem 6% 3rem;
    gap: 2.5rem;
  }

  .hero-visual {
    justify-content: flex-start;
  }

  .stat-card {
    padding: 2rem;
  }

  .stat-value {
    font-size: 3rem;
  }

  .problem-grid,
  .numbers-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .step {
    grid-template-columns: 50px 1fr;
    gap: 1rem;
  }

  .closing {
    padding: 5rem 6%;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}