:root {
  --bg: #0b0e13;
  --card: #151922;
  --muted: #0f131a;
  --text: #e8ebf2;
  --text-muted: #a8b0c2;
  --primary: #4f7cff;
  --primary-600: #3766ff;
  --accent: #22d3ee;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, rgba(79,124,255,.15), transparent) fixed,
              radial-gradient(1000px 500px at 80% -10%, rgba(34,211,238,.12), transparent) fixed,
              var(--bg);
}

.container {
  width: 100%;
  max-width: 1120px;
  padding: 0 20px;
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(150%) blur(8px);
  background: linear-gradient(180deg, rgba(11,14,19,.8), rgba(11,14,19,.5));
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  font-weight: 700;
  letter-spacing: .5px;
  color: var(--text);
}

.brand-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid rgba(255,255,255,.12);
  background: transparent;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.nav-list {
  display: flex;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--text);
  opacity: .9;
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
}
.nav-list a:hover {
  background: rgba(255,255,255,.06);
}

.hero {
  padding: 64px 0 40px;
}

.hero-wrap {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 40px;
}

.hero-text h1 {
  font-size: 40px;
  line-height: 1.15;
  margin: 0 0 16px;
}

.hero-text p {
  font-size: 18px;
  color: var(--text-muted);
  margin: 0 0 24px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.hero-highlights {
  display: flex;
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--text-muted);
}

.hero-visual {
  display: grid;
  gap: 14px;
  align-content: start;
}

.stat-card {
  background: linear-gradient(180deg, rgba(79,124,255,.14), rgba(79,124,255,.04));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 18px 20px;
}
.stat-value {
  font-size: 32px;
  font-weight: 700;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

.section {
  padding: 56px 0;
}

.section-muted {
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 18px;
}
.card-icon {
  font-size: 22px;
  margin-bottom: 8px;
}
.card h3 {
  margin: 4px 0 8px;
  font-size: 18px;
}
.card p {
  color: var(--text-muted);
  margin: 0;
}

.grid.two {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.grid.three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.solution, .case {
  background: var(--card);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 18px;
}
.solution h3, .case h3 {
  margin: 4px 0 8px;
  font-size: 18px;
}
.solution p, .case p {
  color: var(--text-muted);
  margin: 0 0 8px;
}
.list {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
}
.case-cover {
  height: 120px;
  border-radius: 12px;
  margin-bottom: 12px;
  background:
    radial-gradient(220px 80px at 70% 20%, rgba(79,124,255,.25), transparent),
    radial-gradient(220px 80px at 40% 80%, rgba(34,211,238,.25), transparent),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0));
  border: 1px solid rgba(255,255,255,.08);
}

.cta {
  padding: 48px 0;
  background: linear-gradient(180deg, rgba(79,124,255,.12), rgba(79,124,255,.04));
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.cta-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.cta-text h2 {
  margin: 0 0 8px;
  font-size: 28px;
}
.cta-text p {
  margin: 0;
  color: var(--text-muted);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}
.contact-list li {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 8px;
  color: var(--text-muted);
}
.contact-list a {
  color: var(--text);
  text-decoration: none;
}

.contact-form {
  background: var(--card);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 16px;
}
.form-row {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  background: var(--muted);
  color: var(--text);
}
.form-tip {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  background: rgba(255,255,255,.06);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  cursor: pointer;
}
.btn:hover {
  background: rgba(255,255,255,.12);
}
.btn-primary {
  background: linear-gradient(180deg, var(--primary), var(--primary-600));
  border: none;
}
.btn-secondary {
  background: rgba(255,255,255,.08);
}
.btn-lg {
  padding: 12px 18px;
  border-radius: 12px;
}

.site-footer {
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
}
.footer-wrap {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}
.footer-brand {
  display: grid;
  gap: 6px;
  align-content: start;
}
.footer-links {
  list-style: none;
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 0;
  padding: 0;
}
.footer-links a {
  color: var(--text);
  opacity: .9;
  text-decoration: none;
  padding: 6px 8px;
  border-radius: 8px;
}
.footer-links a:hover {
  background: rgba(255,255,255,.06);
}
.icp a {
  color: var(--text-muted);
  text-decoration: none;
}

@media (max-width: 960px) {
  .hero-wrap {
    grid-template-columns: 1fr;
  }
  .cards {
    grid-template-columns: 1fr 1fr;
  }
  .grid.two {
    grid-template-columns: 1fr;
  }
  .grid.three {
    grid-template-columns: 1fr 1fr;
  }
  .cta-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 680px) {
  .nav-toggle {
    display: inline-flex;
  }
  .nav-list {
    position: absolute;
    right: 20px;
    top: 64px;
    background: var(--card);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 12px;
    padding: 8px;
    display: none;
    flex-direction: column;
    gap: 6px;
  }
  .nav-list.open {
    display: flex;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .grid.three {
    grid-template-columns: 1fr;
  }
}