:root {
  --bg: #0b0e14;
  --surface: #12161f;
  --border: #21262d;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --accent: #2dd4bf;
  --accent-dim: #1a9c8c;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / nav */
header.site {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 14, 20, 0.9);
  backdrop-filter: blur(6px);
  z-index: 10;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-family: var(--mono);
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.brand .accent { color: var(--accent); }

nav.primary ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

nav.primary a {
  color: var(--text-dim);
  font-size: 0.95rem;
}

nav.primary a:hover,
nav.primary a[aria-current="page"] {
  color: var(--text);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 88px 0 64px;
  border-bottom: 1px solid var(--border);
}

.hero .kicker {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 18ch;
}

.hero p.lead {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 56ch;
  margin: 0 0 32px;
}

.button-row { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
}

.btn-primary {
  background: var(--accent);
  color: #0b0e14;
}
.btn-primary:hover { background: var(--accent-dim); text-decoration: none; }

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); text-decoration: none; }

/* Generic sections */
section { padding: 64px 0; }
section + section { border-top: 1px solid var(--border); }

section h2 {
  font-size: 1.6rem;
  margin: 0 0 12px;
}

section .section-lead {
  color: var(--text-dim);
  max-width: 60ch;
  margin: 0 0 40px;
}

/* Capability / service cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}

.card .tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  display: block;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--text-dim);
  font-size: 0.9rem;
}
.card li { margin-bottom: 4px; }

/* Page header (non-home pages) */
.page-header {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--border);
}
.page-header .kicker {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.page-header h1 {
  font-size: 2.1rem;
  margin: 0 0 16px;
}
.page-header p {
  color: var(--text-dim);
  max-width: 60ch;
  font-size: 1.05rem;
  margin: 0;
}

/* Contact */
.contact-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  max-width: 520px;
}
.contact-block dt {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 20px;
}
.contact-block dt:first-child { margin-top: 0; }
.contact-block dd {
  margin: 6px 0 0;
  font-size: 1.05rem;
}

/* Contact form */
form.contact-block {
  display: flex;
  flex-direction: column;
}

form.contact-block label {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 20px;
  margin-bottom: 6px;
}
form.contact-block label:first-of-type { margin-top: 0; }

form.contact-block input[type="text"],
form.contact-block input[type="email"],
form.contact-block textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  padding: 10px 12px;
}

form.contact-block input[type="text"]:focus,
form.contact-block input[type="email"]:focus,
form.contact-block textarea:focus {
  outline: none;
  border-color: var(--accent);
}

form.contact-block textarea { resize: vertical; }

form.contact-block button {
  border: none;
  cursor: pointer;
  align-self: flex-start;
}
form.contact-block button:disabled { opacity: 0.6; cursor: default; }

#form-status {
  margin: 14px 0 0;
  font-size: 0.9rem;
  min-height: 1.2em;
}
#form-status.ok { color: var(--accent); }
#form-status.err { color: #f87171; }

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}
footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 640px) {
  header.site .wrap { flex-direction: column; height: auto; padding: 16px 24px; gap: 12px; }
  .hero { padding: 56px 0 40px; }
  .hero h1 { font-size: 2rem; }
}