:root {
  --bg: #0b1220;
  --bg-2: #101a2e;
  --card: #141f36;
  --text: #e6edf7;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --accent-2: #3b82f6;
  --border: rgba(148, 163, 184, 0.18);
  --radius: 14px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 0.5rem; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1rem; }
.muted { color: var(--muted); }
.container { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
section { padding: 5rem 0; }
.section-head { max-width: 640px; margin-bottom: 2.5rem; }

/* Header */
header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav .logo img { height: 44px; width: auto; }
.nav ul { list-style: none; display: flex; gap: 1.75rem; margin: 0; padding: 0; align-items: center; }
.nav ul a { color: var(--muted); font-weight: 500; font-size: 0.95rem; }
.nav ul a:hover { color: var(--text); }
.nav ul a.btn { color: #061020; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 0.4rem 0.6rem; font-size: 1.2rem; cursor: pointer; }

/* Buttons */
.btn {
  display: inline-block; padding: 0.8rem 1.4rem; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem; transition: transform .15s, opacity .15s;
  border: none; cursor: pointer; font-family: inherit;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #061020; }
.btn-ghost { border: 1px solid var(--border); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); }

/* Hero */
.hero {
  padding: 6.5rem 0 5rem;
  background:
    radial-gradient(800px 400px at 15% -10%, rgba(34, 211, 238, 0.18), transparent 60%),
    radial-gradient(700px 400px at 90% 10%, rgba(59, 130, 246, 0.18), transparent 60%);
}
.hero .eyebrow {
  display: inline-block; font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 1rem;
}
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 620px; }
.hero .actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-top: 1.8rem; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: center; }
.hero-art { display: flex; justify-content: center; }
.hero-art img { width: min(320px, 70%); filter: drop-shadow(0 20px 40px rgba(34, 211, 238, 0.25)); }

/* Services */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.25rem; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.6rem; transition: border-color .2s, transform .2s;
}
.card:hover { border-color: rgba(34, 211, 238, 0.5); transform: translateY(-3px); }
.card .icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(59, 130, 246, 0.2));
  color: var(--accent); margin-bottom: 1rem;
}
.card .icon svg { width: 24px; height: 24px; }
.card p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* About */
.about { background: var(--bg-2); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem; text-align: center; }
.stat strong { display: block; font-size: 1.6rem; color: var(--accent); }
.stat span { font-size: 0.85rem; color: var(--muted); }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding-left: 1.8rem; position: relative; margin-bottom: 0.7rem; color: var(--muted); }
.checklist li::before {
  content: "\2713"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 700;
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; }
.contact-info p { color: var(--muted); }
.contact-info a { color: var(--accent); }
form { display: grid; gap: 1rem; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { display: grid; gap: 0.35rem; font-size: 0.9rem; color: var(--muted); }
input, textarea, select {
  width: 100%; padding: 0.8rem 0.9rem; border-radius: 10px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); font: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 0.8rem; color: var(--muted); }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 2.5rem 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer-inner img { height: 36px; }
.footer-inner small { color: var(--muted); }

/* Responsive */
@media (max-width: 860px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .hero-art img { width: 180px; }
  .nav ul {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--border);
    align-items: stretch;
  }
  .nav ul.open { display: flex; }
  .nav ul li a { display: block; padding: 1rem 1.25rem; }
  .nav ul li a.btn { margin: 0.5rem 1.25rem 1rem; text-align: center; }
  .nav-toggle { display: block; }
  .row { grid-template-columns: 1fr; }
  section { padding: 3.5rem 0; }
  .hero { padding: 4rem 0 3.5rem; }
}