* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0f19;
  color: #f3f6fb;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 15, 25, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.nav {
  display: flex;
  gap: 22px;
}

.nav a {
  color: #cdd6e3;
  font-size: 15px;
}

.hero {
  padding: 110px 0 90px;
}

.hero-content {
  max-width: 760px;
}

.eyebrow,
.section-label {
  color: #7dd3fc;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  margin-bottom: 12px;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  line-height: 1.15;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  max-width: 900px;
}

.hero-text {
  margin-top: 20px;
  max-width: 680px;
  color: #b8c1d1;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 10px;
  font-weight: 600;
}

.btn-primary {
  background: #7dd3fc;
  color: #08111f;
}

.btn-secondary {
  border: 1px solid rgba(255,255,255,0.16);
  color: #f3f6fb;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background: rgba(255,255,255,0.03);
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: clamp(28px, 4vw, 42px);
  max-width: 760px;
}

.about-grid,
.cards-grid {
  display: grid;
  gap: 20px;
}

.about-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-card,
.card,
.contact-box {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 24px;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.card p,
.about-card p,
.contact-box p {
  margin: 0;
  color: #b8c1d1;
}

.contact-box a {
  color: #7dd3fc;
}

.site-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-wrap p,
.footer-wrap a {
  color: #9aa6b8;
  margin: 0;
  font-size: 14px;
}

@media (max-width: 900px) {
  .about-grid,
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  .header-wrap {
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    padding: 14px 0;
  }

  .nav {
    justify-content: center;
  }

  .hero {
    padding: 72px 0 60px;
  }
}