:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.1);
  --accent-glow: rgba(0, 212, 170, 0.3);
  --danger: #ff4757;
  --radius: 12px;
  --max-width: 1100px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.2;
  font-weight: 700;
}

/* Hero */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 170, 0.08) 0%, transparent 60%);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300d4aa' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-inner {
  max-width: var(--max-width);
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 40px;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.hero h1 .highlight {
  color: var(--danger);
  position: relative;
}

.lede {
  font-size: 1.25rem;
  color: var(--fg-muted);
  max-width: 620px;
  margin: 0 auto 40px;
}

/* CTA Buttons — used in hero and closing sections */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #0a0a0f;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 12px;
  text-decoration: none;
  letter-spacing: -0.2px;
  transition: all 0.15s;
  border: 2px solid var(--accent);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-large {
  font-size: 1.1rem;
  padding: 20px 40px;
}

.hero-cta {
  margin-bottom: 48px;
}

.hero-cta-sub {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.closing-cta {
  margin-top: 48px;
}

.closing-cta-sub {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 700px;
  margin: 0 auto;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* Problem */
.problem {
  padding: 120px 24px;
  background: var(--bg-subtle);
}

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

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 20px;
  text-align: center;
}

.problem-desc {
  text-align: center;
  color: var(--fg-muted);
  max-width: 650px;
  margin: 0 auto 60px;
  font-size: 1.1rem;
}

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

.problem-card {
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.3s;
}

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

.problem-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

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

/* Features */
.features {
  padding: 120px 24px;
}

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

.features h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 64px;
  text-align: center;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.feature-item {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 36px;
  border-radius: var(--radius);
  background: var(--bg-subtle);
  border: 1px solid rgba(255,255,255,0.04);
  transition: transform 0.2s, border-color 0.3s;
}

.feature-item:hover {
  transform: translateX(4px);
  border-color: rgba(0, 212, 170, 0.2);
}

.feature-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 50%;
  flex-shrink: 0;
}

.feature-content h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* Closing */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 100%, rgba(0, 212, 170, 0.06) 0%, transparent 60%);
}

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

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 24px;
}

.closing-text {
  font-size: 1.2rem;
  color: var(--fg-muted);
  margin-bottom: 48px;
}

.closing-vision {
  padding: 32px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: var(--radius);
}

.closing-vision p {
  font-size: 1.05rem;
  color: var(--fg);
  font-style: italic;
}

/* Footer */
.footer {
  padding: 60px 24px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
}

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

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--accent);
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.footer-location {
  color: var(--fg-muted);
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .problem-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-item {
    flex-direction: column;
    gap: 16px;
    padding: 24px;
  }
  
  .hero {
    min-height: auto;
    padding: 60px 20px;
  }
  
  .problem, .features, .closing {
    padding: 80px 20px;
  }
}