:root {
  --bg: #0a0f1e;
  --text: #c0c8d8;
  --accent: #3b82f6;
  --surface: #111a30;
  --border: #223250;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.narrow {
  width: min(820px, 92%);
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(10, 15, 30, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
}

.brand,
a {
  color: var(--text);
  text-decoration: none;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-list a:hover,
a:hover,
a:focus-visible {
  color: var(--accent);
}

.section {
  padding: 4rem 0;
}

.hero {
  padding: 6rem 0 4rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

h1,
h2,
h3,
h4 {
  margin-top: 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.3rem, 6vw, 4rem);
}

h2 {
  color: var(--accent);
  font-size: clamp(1.2rem, 3vw, 2rem);
}

h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.lead {
  max-width: 72ch;
  font-size: 1.05rem;
}

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

.six-up {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.two-up {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
}

.featured {
  border-color: var(--accent);
}

.contact-form {
  display: grid;
  gap: 0.65rem;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  padding: 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0f1730;
  color: var(--text);
}

button {
  width: fit-content;
  border: 0;
  border-radius: 8px;
  padding: 0.65rem 1rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.6rem 0;
  text-align: center;
  color: #93a0b8;
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}