:root {
  --bg: #0a0e17;
  --bg-card: #111827;
  --bg-highlight: #1a2332;
  --fg: #e8edf5;
  --fg-muted: #8896ab;
  --accent: #22d3ee;
  --accent-glow: rgba(34, 211, 238, 0.15);
  --warm: #f59e0b;
  --success: #34d399;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
  padding-top: 64px;
}

/* ===== TOP NAV ===== */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8%;
  height: 64px;
  background: rgba(10, 14, 23, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(136, 150, 171, 0.08);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--fg);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 7px 14px;
  color: var(--fg-muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover { color: var(--fg); background: rgba(136, 150, 171, 0.08); }

.nav-links .nav-cta {
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.3);
  color: var(--accent);
  font-weight: 600;
}

.nav-links .nav-cta:hover { background: rgba(34, 211, 238, 0.2); color: var(--accent); }

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 120px 8% 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 50px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 32px;
  backdrop-filter: blur(4px);
  background: rgba(34, 211, 238, 0.05);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 800px;
  margin-bottom: 28px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero .lede {
  font-size: 1.25rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-stat-row {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 8%;
  position: relative;
}

.problem::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.2), transparent);
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1100px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(136, 150, 171, 0.1);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--warm), transparent);
}

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

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* ===== SERVICES ===== */
.services {
  padding: 100px 8%;
  background: var(--bg-highlight);
}

.services h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.services .sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 56px;
}

.service-list {
  display: grid;
  gap: 0;
  max-width: 900px;
}

.service-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  align-items: start;
  padding: 36px 0;
  border-bottom: 1px solid rgba(136, 150, 171, 0.1);
}

.service-item-link {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  align-items: start;
  padding: 36px 0;
  border-bottom: 1px solid rgba(136, 150, 171, 0.1);
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s;
}
.service-item-link:hover { opacity: 0.75; }
.service-item-link:last-child { border-bottom: none; }

.service-item:last-child {
  border-bottom: none;
}

.service-num {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  padding-top: 2px;
}

.service-item h3, .service-item-link h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-item p, .service-item-link p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 520px;
}

/* ===== RESULTS ===== */
.results {
  padding: 100px 8%;
  position: relative;
}

.results::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.2), transparent);
}

.results h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  max-width: 1000px;
}

.result-block {
  padding: 36px 32px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(136, 150, 171, 0.08);
  text-align: center;
}

.result-block .big-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--success);
  line-height: 1.1;
}

.result-block .unit {
  font-size: 1.5rem;
}

.result-block .desc {
  color: var(--fg-muted);
  font-size: 0.9rem;
  margin-top: 8px;
  line-height: 1.5;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 8%;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 640px;
  margin: 0 auto 20px;
  position: relative;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  line-height: 1.7;
}

/* ===== FOOTER ===== */
footer {
  padding: 40px 8%;
  border-top: 1px solid rgba(136, 150, 171, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}

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

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

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

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.footer-nav a {
  color: var(--fg-muted);
  font-size: 0.8rem;
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 6px;
  transition: color 0.2s;
}

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

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 80px 6% 60px;
    min-height: 80vh;
  }
  .hero-stat-row {
    gap: 24px;
  }
  .hero-stat .number {
    font-size: 1.8rem;
  }
  .problem, .services, .results, .closing {
    padding: 64px 6%;
  }
  .service-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .service-num {
    font-size: 1rem;
  }
  footer {
    flex-direction: column;
    text-align: center;
  }
}