/* Blackbox IT Consulting — dark tech theme */
:root {
  --bg: #0a0e14;
  --bg-elevated: #121822;
  --bg-card: #161d29;
  --border: #232d3b;
  --text: #e6edf3;
  --text-muted: #94a3b8;
  --accent: #22d3ee;
  --accent-2: #34d399;
  --accent-glow: rgba(34, 211, 238, 0.25);
  --danger: #f87171;
  --radius: 14px;
  --maxw: 1120px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  --mono: "Cascadia Code", "Fira Code", "Consolas", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px circle at 15% -10%, rgba(34, 211, 238, 0.10), transparent 40%),
    radial-gradient(700px circle at 100% 0%, rgba(52, 211, 153, 0.08), transparent 45%);
}

a { color: var(--accent); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent-2); }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 20, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .3px;
}

.brand:hover { color: var(--text); }

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  color: #04121a;
  font-weight: 800;
  font-family: var(--mono);
  box-shadow: 0 0 18px var(--accent-glow);
}

.brand-name small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: all .2s ease;
}

.nav-links a:hover { color: var(--text); background: var(--bg-card); }
.nav-links a.active { color: var(--accent); background: var(--bg-card); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  width: 42px;
  height: 42px;
  font-size: 20px;
  cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121a;
  box-shadow: 0 6px 22px var(--accent-glow);
}

.btn-primary:hover { transform: translateY(-2px); color: #04121a; }

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Sections ---------- */
section { padding: 84px 0; }

.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -1px; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }

.lead { font-size: 1.15rem; color: var(--text-muted); }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 72px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 32px; }
.badge {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
}

/* Terminal card */
.terminal {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #0d131c;
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.r { background: #ff5f56; }
.dot.y { background: #ffbd2e; }
.dot.g { background: #27c93f; }
.terminal-title { margin-left: 8px; font-family: var(--mono); font-size: 12px; color: var(--text-muted); }
.terminal-body { padding: 20px; font-family: var(--mono); font-size: 13.5px; line-height: 1.9; }
.terminal-body .p { color: var(--accent-2); }
.terminal-body .c { color: var(--text); }
.terminal-body .o { color: var(--text-muted); }
.terminal-body .k { color: var(--accent); }

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); }

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 26px;
  background: linear-gradient(135deg, rgba(34,211,238,.15), rgba(52,211,153,.15));
  border: 1px solid var(--border);
  margin-bottom: 18px;
}

.card p { color: var(--text-muted); margin: 0; }
.card ul { color: var(--text-muted); margin: 14px 0 0; padding-left: 18px; }
.card ul li { margin-bottom: 6px; }

.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-weight: 600; font-size: 14px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; }
.stat b {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { color: var(--text-muted); font-size: 14px; }

/* ---------- Process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step .num {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 10px;
  display: inline-block;
  margin-bottom: 14px;
  background: var(--bg-card);
}
.step p { color: var(--text-muted); margin: 6px 0 0; }

/* ---------- CTA banner ---------- */
.cta {
  background: linear-gradient(135deg, rgba(34,211,238,.12), rgba(52,211,153,.10));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 54px 40px;
  text-align: center;
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 22px; }
.contact-item .ci-icon {
  width: 46px; height: 46px; flex: none; border-radius: 11px; display: grid; place-items: center;
  font-size: 20px; background: var(--bg-card); border: 1px solid var(--border);
}
.contact-item b { display: block; }
.contact-item span { color: var(--text-muted); }

form label { display: block; font-size: 14px; margin-bottom: 6px; color: var(--text-muted); }
form input, form textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  margin-bottom: 18px;
}
form input:focus, form textarea:focus { outline: none; border-color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 48px 0 28px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.footer-grid h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid ul li { margin-bottom: 8px; }
.footer-grid ul a { color: var(--text-muted); }
.footer-grid ul a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Page hero (subpages) ---------- */
.page-hero { padding: 72px 0 20px; }
.page-hero h1 { max-width: 720px; }
.page-hero .lead { max-width: 680px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  section { padding: 60px 0; }
  .nav-links {
    position: absolute;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .nav-toggle { display: block; }
  .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .stats, .steps { grid-template-columns: 1fr 1fr; }
  .cta { padding: 40px 22px; }
}