:root {
  --bg-primary: #0d0f11;
  --bg-secondary: #14171c;
  --bg-card: #1a1e24;
  --fg-primary: #e8e9eb;
  --fg-secondary: #9ba1ab;
  --fg-muted: #5c6370;
  --accent: #e87a2e;
  --accent-glow: rgba(232, 122, 46, 0.15);
  --accent-dim: #b85d1f;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

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

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

/* === HERO === */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

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

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(232, 122, 46, 0.25);
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

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

.hero .lede {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

/* === PROBLEM === */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 3rem;
  max-width: 700px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

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

/* === FEATURES === */
.features {
  padding: 6rem 2rem;
}

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

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 3rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.feature-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.feature-marker {
  width: 12px;
  height: 12px;
  min-width: 12px;
  background: var(--accent);
  border-radius: 3px;
  margin-top: 0.5rem;
  box-shadow: 0 0 12px var(--accent-glow);
}

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

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

/* === CLOSING === */
.closing {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 1.5rem;
}

.closing-text {
  color: var(--fg-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* === FOOTER === */
.site-footer {
  padding: 3rem 2rem;
  text-align: center;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  letter-spacing: 0.03em;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero {
    min-height: 70vh;
    padding: 4rem 1.5rem 3rem;
  }

  .problem,
  .features,
  .closing {
    padding: 4rem 1.5rem;
  }

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

  .feature-item {
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero .lede {
    font-size: 1rem;
  }

  .hero-glow {
    width: 350px;
    height: 350px;
  }
}