:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --fg-primary: #f0f0f5;
  --fg-secondary: #8a8a9a;
  --fg-muted: #55556a;
  --accent: #00e676;
  --accent-dim: rgba(0, 230, 118, 0.12);
  --accent-glow: rgba(0, 230, 118, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ====== HERO ====== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}

.hero-inner {
  max-width: 800px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 8px 16px;
  border-radius: 4px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero .lede {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--fg-secondary);
  max-width: 580px;
  line-height: 1.7;
}

.hero-grid {
  position: absolute;
  top: 0;
  right: -10%;
  width: 60%;
  height: 100%;
  display: flex;
  gap: 60px;
  opacity: 0.06;
  z-index: 1;
}

.grid-line {
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--accent), transparent);
}

/* ====== PROBLEM ====== */
.problem {
  padding: 100px 40px;
  background: var(--bg-secondary);
}

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 56px;
  letter-spacing: -1px;
}

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 28px;
  transition: border-color 0.3s ease;
}

.problem-card:hover {
  border-color: rgba(0, 230, 118, 0.2);
}

.problem-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.problem-card p {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* ====== FEATURES ====== */
.features {
  padding: 100px 40px;
}

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

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 64px;
}

.features-list {
  display: flex;
  flex-direction: column;
}

.feature-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  padding: 32px 0;
  align-items: start;
}

.feature-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: var(--accent);
  padding-top: 4px;
}

.feature-desc {
  font-size: 17px;
  color: var(--fg-secondary);
  line-height: 1.7;
}

.feature-divider {
  height: 1px;
  background: var(--border);
}

/* ====== NUMBERS ====== */
.numbers {
  padding: 80px 40px;
  background: var(--bg-secondary);
}

.numbers-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.number-block {
  text-align: center;
  padding: 40px 20px;
}

.number-value {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 12px;
}

.number-label {
  font-size: 14px;
  color: var(--fg-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ====== CLOSING ====== */
.closing {
  padding: 120px 40px;
  text-align: center;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* ====== FOOTER ====== */
.site-footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
}

.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-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .hero {
    padding: 100px 24px 60px;
    min-height: 80vh;
  }

  .hero-grid {
    display: none;
  }

  .problem {
    padding: 64px 24px;
  }

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

  .features {
    padding: 64px 24px;
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 24px 0;
  }

  .numbers {
    padding: 48px 24px;
  }

  .numbers-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .number-block {
    padding: 28px 16px;
  }

  .closing {
    padding: 80px 24px;
  }

  .site-footer {
    padding: 36px 24px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    letter-spacing: -1px;
  }

  .number-value {
    font-size: 32px;
  }
}