:root {
  --bg: #0a0a0f;
  --bg-subtle: #111118;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #ff4d4d;
  --accent-glow: rgba(255, 77, 77, 0.15);
  --accent-soft: #ff6b6b;
  --card-bg: #14141c;
  --card-border: #1e1e2a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 12px;
  --max-width: 1100px;
}

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

html { scroll-behavior: smooth; }

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 {
  position: relative;
  padding: 140px 24px 100px;
  text-align: center;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 40px;
  margin-bottom: 32px;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 76px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

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

.lede {
  max-width: 580px;
  margin: 0 auto;
  font-size: 19px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 100px 24px;
  background: var(--bg-subtle);
}

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 600;
  margin-bottom: 56px;
  letter-spacing: -0.5px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.problem-icon {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

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

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

.features-header {
  margin-bottom: 56px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 600;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

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

.features-sub {
  font-size: 18px;
  color: var(--fg-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 40px 32px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
}

.feature-highlight {
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(255, 77, 77, 0.04) 100%);
  border-color: rgba(255, 77, 77, 0.2);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-soft);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ---- NUMBERS ---- */
.numbers {
  padding: 80px 24px;
  background: var(--bg-subtle);
}

.numbers-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}

.number-block {
  text-align: center;
  flex: 1;
}

.number-value {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.number-label {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
  max-width: 200px;
  margin: 0 auto;
}

.number-divider {
  width: 1px;
  height: 60px;
  background: var(--card-border);
  flex-shrink: 0;
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.3px;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
}

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

.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: 16px;
  font-weight: 600;
}

.footer-note {
  font-size: 13px;
  color: var(--fg-muted);
}

.footer-note a {
  color: var(--fg-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-note a:hover {
  color: var(--fg);
}

/* ---- MOBILE ---- */
@media (max-width: 768px) {
  .hero {
    padding: 100px 20px 72px;
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .numbers-inner {
    flex-direction: column;
    gap: 32px;
  }

  .number-divider {
    width: 60px;
    height: 1px;
  }

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

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

  .problem-card,
  .feature-card {
    padding: 28px 20px;
  }
}

/* ---- SITE NAV (landing) ---- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--card-border);
  padding: 0 24px;
}
.site-nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.site-nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.site-nav-brand .accent { color: var(--accent); }
.site-nav-cta {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(255, 77, 77, 0.35);
  text-decoration: none;
  padding: 8px 18px;
  border-radius: 40px;
  transition: background 0.2s, border-color 0.2s;
}
.site-nav-cta:hover {
  background: rgba(255, 77, 77, 0.22);
  border-color: rgba(255, 77, 77, 0.5);
}

/* Hero needs top padding reduced now that nav is sticky */
.hero {
  padding-top: 100px;
}

/* ---- HERO CTA ---- */
.hero-cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-cta-btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: white;
  background: var(--accent);
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 40px;
  letter-spacing: 0.2px;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(255, 77, 77, 0.3);
}
.hero-cta-btn:hover {
  background: var(--accent-soft);
  transform: translateY(-1px);
  box-shadow: 0 6px 32px rgba(255, 77, 77, 0.4);
}
.hero-cta-btn:active { transform: translateY(0); }
.hero-cta-hint {
  font-size: 14px;
  color: var(--fg-muted);
}