:root {
  color-scheme: dark;
  --background: #050811;
  --surface: #0f1628;
  --surface-strong: #121d36;
  --accent: #3be6ff;
  --accent-strong: #0ad2ff;
  --text: #e7eef9;
  --muted: #8fa7c3;
  --border: rgba(163, 225, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, rgba(59, 230, 255, 0.12), transparent 25%),
    radial-gradient(circle at 80% 10%, rgba(41, 130, 255, 0.14), transparent 20%),
    var(--background);
  color: var(--text);
}

body {
  line-height: 1.6;
}

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

button, a {
  font: inherit;
}

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

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 3rem 0;
  overflow: hidden;
}

.overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 8, 17, 0.55), rgba(5, 8, 17, 0.9));
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.logo-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 176px;
  height: 176px;
  border-radius: 44px;
  background: rgba(59, 230, 255, 0.16);
  margin-bottom: 1rem;
  overflow: hidden;
}

.logo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.company-type {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.75rem, 5vw, 4rem);
  max-width: 12ch;
}

.hero-text {
  max-width: 720px;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #05111d;
  box-shadow: 0 18px 40px rgba(59, 230, 255, 0.18);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.section {
  padding: 5rem 0;
}

.intro h2,
.expertise h2,
.about h2,
.contact h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.6rem);
}

.subheading {
  margin: 0.8rem 0 2rem;
  color: var(--muted);
  max-width: 760px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.card {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.card h3 {
  margin-top: 0;
}

.expertise {
  background: rgba(10, 25, 53, 0.95);
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.feature-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.8rem;
  color: var(--text);
}

.feature-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
}

.expertise-box {
  padding: 2rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(59, 230, 255, 0.12);
}

.expertise-label {
  margin: 0 0 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.about-grid h3 {
  margin-top: 0;
}

.about-grid p {
  color: var(--muted);
}

.contact-card {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  padding: 2.5rem;
  border-radius: 28px;
  background: rgba(8, 18, 36, 0.98);
  border: 1px solid rgba(59, 230, 255, 0.1);
}

.contact-card p {
  margin: 1rem 0 0;
  color: var(--muted);
  max-width: 540px;
}

.footer {
  padding: 2rem 0 3rem;
}

.footer-content {
  display: grid;
  gap: 0.75rem;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 840px) {
  .split,
  .about-grid,
  .hero-actions,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 2.5rem 0;
  }
}

@media (max-width: 620px) {
  .hero {
    padding: 2rem 0;
  }

  .logo-placeholder {
    width: 72px;
    height: 72px;
  }

  h1 {
    font-size: clamp(2.2rem, 8vw, 3rem);
  }
}