:root {
  --bg: #0a0f1a;
  --bg-elevated: #111827;
  --bg-card: #1a2235;
  --fg: #f1f5f9;
  --fg-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.15);
  --warm: #f59e0b;
  --success: #10b981;
  --radius: 12px;
  --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);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 80px 24px;
  background: linear-gradient(170deg, var(--bg) 0%, #0f172a 50%, #0c1426 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.5px;
  margin-bottom: 32px;
  font-family: var(--font-display);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1.5px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.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;
  margin-bottom: 56px;
  letter-spacing: -0.5px;
  max-width: 600px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s;
}

.problem-card:hover {
  border-color: rgba(56, 189, 248, 0.3);
}

.problem-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.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: 1.6;
}

/* SERVICES */
.services {
  padding: 120px 24px;
  background: var(--bg);
}

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

.services h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 56px;
  letter-spacing: -0.5px;
}

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

.service-item {
  display: flex;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  align-items: flex-start;
}

.service-item:first-child {
  border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.service-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 32px;
  padding-top: 4px;
}

.service-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* WHO */
.who {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

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

.who h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 56px;
  letter-spacing: -0.5px;
  max-width: 600px;
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.who-card {
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
}

.who-card:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.3);
}

.who-emoji {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 16px;
}

.who-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.who-card p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* CLOSING */
.closing {
  padding: 140px 24px;
  background: linear-gradient(180deg, var(--bg) 0%, #0c1426 100%);
  text-align: center;
}

.closing-inner {
  max-width: 650px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.closing-subtext {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent);
}

/* FOOTER */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  text-align: center;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* RESPONSIVE */
@media (max-width: 640px) {
  .hero {
    min-height: auto;
    padding: 60px 20px;
  }

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

  .service-item {
    flex-direction: column;
    gap: 12px;
  }

  .problem,
  .services,
  .who,
  .closing {
    padding: 80px 20px;
  }

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