:root {
  --bg: #0b1220;
  --bg-soft: #111a2e;
  --card: #16213d;
  --text: #e7ecf7;
  --muted: #b6c0d8;
  --accent: #6ea8fe;
  --accent-strong: #4e8ffc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(11, 18, 32, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

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

.brand {
  color: var(--text);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 700;
}

.menu-button {
  display: none;
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  padding: 0.4rem 0.8rem;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--text);
}

.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(180deg, rgba(110, 168, 254, 0.08), transparent);
}

.hero-content {
  max-width: 720px;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  font-size: 0.8rem;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.2;
  margin: 0.4rem 0 1rem;
}

.hero-text {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  margin-top: 1.6rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 8px;
  padding: 0.7rem 1rem;
  font-weight: 600;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #071021;
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--text);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: var(--bg-soft);
}

.section-head p {
  color: var(--muted);
}

h2 {
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  margin-top: 0;
}

.grid {
  display: grid;
  gap: 1rem;
}

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  padding: 1.1rem;
}

.card p {
  color: var(--muted);
  margin-bottom: 0;
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: #0b1220;
  background: #9ec5ff;
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}

.section-contact {
  text-align: center;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 1100px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  .menu-button {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    right: 4%;
    background: var(--bg-soft);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 0.8rem;
    display: none;
    flex-direction: column;
    min-width: 160px;
  }

  .nav-links.show {
    display: flex;
  }
}