:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-elevated: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #7c3aed;
  --accent-bright: #a855f7;
  --accent-glow: rgba(124, 58, 237, 0.3);
  --green: #22c55e;
  --border: rgba(255,255,255,0.06);
  --radius: 16px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, var(--accent-glow), transparent);
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent-bright);
  border: 1px solid rgba(124, 58, 237, 0.3);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-bright), #ec4899, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  max-width: 600px;
  font-size: 1.15rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 24px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* PROBLEM */
.problem {
  padding: 120px 24px;
}

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

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent-bright);
  margin-bottom: 20px;
}

.problem-statement {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
}

.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;
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(124, 58, 237, 0.3);
}

.problem-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

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

/* FEATURES */
.features {
  padding: 120px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-row {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.feature-row:last-child {
  border-bottom: 1px solid var(--border);
}

.feature-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.5;
  min-width: 80px;
  line-height: 1;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* HOW IT WORKS */
.how {
  padding: 120px 24px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.how-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 20px;
  margin-top: 0;
}

.how-step {
  flex: 1;
  max-width: 300px;
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.how-step h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.how-step p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.how-arrow {
  font-size: 1.5rem;
  color: var(--fg-muted);
  margin-top: 60px;
  opacity: 0.4;
}

/* CLOSING */
.closing {
  padding: 140px 24px;
  text-align: center;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, var(--accent-glow), transparent);
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-bright);
}

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

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.footer-links {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

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

/* LANDING NAV */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.landing-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Hero CTA buttons */
.hero-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.cta-btn:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
}

.cta-btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.cta-btn-ghost:hover {
  color: var(--fg);
  border-color: rgba(255,255,255,0.2);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    padding: 20px 24px;
  }

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

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

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

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

  .how-grid {
    flex-direction: column;
    align-items: center;
  }

  .how-arrow {
    transform: rotate(90deg);
    margin: 0;
  }

  .how-step {
    max-width: 100%;
  }

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