:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #05070d;
  color: #e9edf5;
  font-size: 16px;
  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at top, rgba(54, 103, 255, 0.12), transparent 28%),
              linear-gradient(180deg, #05070d 0%, #060813 100%);
}

body {
  color: #e9edf5;
}

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

img {
  max-width: 100%;
  display: block;
}

.page-shell {
  width: min(1200px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 2.5rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  width: 280px;
  height: auto;
  min-width: 280px;
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: #8ea1c7;
  letter-spacing: 0.16em;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.site-header h1 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: #c7d0ea;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #fff;
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2rem;
  align-items: center;
  padding: 1.5rem 0 2rem;
}

.hero-copy {
  max-width: 640px;
}

.tagline {
  margin: 0 0 1.2rem;
  color: #7ea0ff;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-copy h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.3rem, 3.5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-copy p {
  margin: 0 0 1.75rem;
  max-width: 44rem;
  color: #c7d0ea;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.95rem 1.5rem;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.primary {
  background: #5e78ff;
  color: #fff;
  box-shadow: 0 18px 60px rgba(94, 120, 255, 0.2);
}

.secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e9edf5;
}

.hero-visual {
  display: grid;
  place-items: center;
}

.visual-card {
  width: 100%;
  min-height: 320px;
  padding: 2rem;
  border-radius: 32px;
  background: rgba(18, 23, 42, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.26);
}

.chip {
  display: inline-flex;
  padding: 0.45rem 0.85rem;
  margin-bottom: 1.4rem;
  border-radius: 999px;
  background: rgba(94, 120, 255, 0.18);
  color: #90a5ff;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}

.visual-card h3 {
  margin: 0 0 1rem;
  font-size: 1.85rem;
}

.visual-card p {
  margin: 0;
  color: #c7d0ea;
}

.section {
  padding: 3rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.section:first-of-type {
  border-top: none;
}

.section h2 {
  margin: 0 0 1rem;
  font-size: 2rem;
}

.section p {
  margin: 0;
  color: #c7d0ea;
}

.about-section .section-content,
.contact-section .section-content {
  max-width: 760px;
}

.services-section .section-header {
  max-width: 760px;
  margin-bottom: 2rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 1.75rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.service-card h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.contact-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 260px;
  padding: 1.2rem 1.5rem;
  border-radius: 20px;
  background: rgba(94, 120, 255, 0.18);
  color: #fff;
  font-weight: 700;
}

.site-footer {
  padding-top: 2rem;
  color: #7a86a1;
  text-align: center;
  font-size: 0.92rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav {
    width: 100%;
  }
}

@media (max-width: 700px) {
  .page-shell {
    width: calc(100% - 1.5rem);
    padding: 1.5rem 0 2rem;
  }

  .hero-copy h2 {
    font-size: 2.35rem;
  }

  .visual-card {
    min-height: auto;
  }

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

  .contact-content {
    grid-template-columns: 1fr;
  }
}
