:root {
  --bg: #0c1117;
  --bg-surface: #141b24;
  --bg-card: #1a2332;
  --fg: #e8edf3;
  --fg-muted: #8b97a8;
  --fg-dim: #5a6577;
  --accent: #4ade80;
  --green: #22c55e;
  --green-dim: rgba(74, 222, 128, 0.1);
  --amber: #f59e0b;
  --red-soft: #fb7185;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
}

/* ========== HERO ========== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 80px 24px 60px;
  background: radial-gradient(ellipse at 30% 20%, rgba(74, 222, 128, 0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(34, 197, 94, 0.04) 0%, transparent 50%);
}

.hero-inner {
  max-width: 720px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--green-dim);
  border: 1px solid rgba(74, 222, 128, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.hero-btn-primary {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  background: var(--accent);
  color: #0c1117;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.15s, transform 0.12s;
}
.hero-btn-primary:hover { background: var(--green); transform: translateY(-1px); }
.hero-btn-ghost {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 24px;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.hero-btn-ghost:hover { border-color: rgba(255,255,255,0.2); color: var(--fg); }

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

.stat { text-align: center; }
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-diamond {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%) rotate(0deg);
  width: 320px;
  height: 320px;
  opacity: 0.4;
  z-index: 1;
}

.diamond-svg { width: 100%; height: 100%; }

/* ========== PROBLEM ========== */
.problem {
  padding: 100px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-inner { max-width: 1000px; margin: 0 auto; }

.section-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 48px;
  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: 2rem;
  margin-bottom: 16px;
}

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

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

/* ========== FEATURES ========== */
.features {
  padding: 100px 24px;
}

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

.feature-blocks {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.feature-block {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(74, 222, 128, 0.15);
  line-height: 1;
  flex-shrink: 0;
  width: 80px;
}

.feature-content h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.score-demo {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.score-cat {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-muted);
}

.score-pills { display: flex; gap: 6px; }

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 34px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg-dim);
  transition: all 0.15s;
}

.pill.active {
  background: var(--green-dim);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 12px rgba(74, 222, 128, 0.15);
}

/* ========== HOW ========== */
.how {
  padding: 100px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.how-left h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.how-left p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.how-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.how-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.how-card-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.how-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.how-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ========== CLOSING ========== */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 60%, rgba(74, 222, 128, 0.05) 0%, transparent 60%);
}

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

.closing h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.75;
}

/* ========== FOOTER ========== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-tagline {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-top: 4px;
}

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

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

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

  .feature-number {
    width: auto;
    font-size: 2rem;
  }

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

  .hero-diamond {
    display: none;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-number { font-size: 1.5rem; }

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