:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a26;
  --fg-primary: #f0f0f5;
  --fg-secondary: #8888a0;
  --fg-muted: #55556a;
  --accent: #6cff8c;
  --accent-dim: rgba(108, 255, 140, 0.12);
  --accent-glow: rgba(108, 255, 140, 0.25);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --max-width: 1120px;
}

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

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

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

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 32px 60px;
  gap: 60px;
}

.hero-inner {
  flex: 1;
  max-width: 600px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(108, 255, 140, 0.2);
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg-primary);
  margin-bottom: 24px;
}

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

.lede {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--fg-secondary);
  max-width: 520px;
}

.hero-visual {
  flex-shrink: 0;
  width: 320px;
}

.score-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.score-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: var(--accent-glow);
  border-radius: 50%;
  filter: blur(60px);
}

.score-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 12px;
}

.score-value {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
}

.score-percent {
  font-size: 2rem;
  vertical-align: super;
}

.score-bar {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 12px;
}

.score-fill {
  width: 94%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #4aeaff);
  border-radius: 3px;
}

.score-detail {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ===== PROBLEM ===== */
.problem {
  background: var(--bg-secondary);
  padding: 100px 32px;
}

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 16px;
  padding: 36px 28px;
}

.problem-stat {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
  line-height: 1;
}

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

/* ===== FEATURES ===== */
.features {
  padding: 100px 32px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.feature-block {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 72px;
  padding: 40px;
  border-radius: 20px;
  transition: background 0.3s;
}

.feature-block:last-child {
  margin-bottom: 0;
}

.feature-left {
  flex-direction: row;
}

.feature-right {
  flex-direction: row-reverse;
  text-align: right;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(108, 255, 140, 0.08);
  flex-shrink: 0;
  min-width: 120px;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--fg-primary);
}

.feature-content p {
  color: var(--fg-secondary);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 500px;
}

.feature-right .feature-content p {
  margin-left: auto;
}

/* ===== NUMBERS ===== */
.numbers {
  background: var(--bg-secondary);
  padding: 100px 32px;
}

.numbers-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.numbers-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  text-align: center;
}

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

.number-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
  line-height: 1;
}

.number-label {
  color: var(--fg-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  max-width: 240px;
  margin: 0 auto;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 32px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(80px);
}

.closing-inner {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-text {
  color: var(--fg-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.closing-vision {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 40px 32px;
}

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

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

.footer-copy {
  color: var(--fg-muted);
  font-size: 0.8rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    min-height: auto;
    padding: 60px 20px 40px;
    gap: 40px;
  }

  .hero-inner {
    max-width: 100%;
  }

  .hero-visual {
    width: 100%;
    max-width: 320px;
  }

  .problem-grid,
  .numbers-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-block,
  .feature-left,
  .feature-right {
    flex-direction: column;
    text-align: left;
    padding: 24px;
    gap: 16px;
  }

  .feature-right .feature-content p {
    margin-left: 0;
  }

  .feature-number {
    font-size: 3rem;
    min-width: auto;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .problem,
  .features,
  .numbers,
  .closing {
    padding: 60px 20px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .score-value {
    font-size: 3.5rem;
  }
}