:root{
  --bg:#0b0f14;
  --bg-2:#0d1218;
  --panel:#121821;
  --panel-2:#161c24;
  --border:#1f2937;
  --text:#e6edf3;
  --muted:#9aa4af;
  --muted-2:#6b7280;
  --accent:#00d4ff;
  --accent-hover:#00b8db;
  --dark-btn:#374151;
  --dark-btn-hover:#4b5563;
  --shadow:0 18px 40px rgba(0,0,0,0.35);
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Arial,sans-serif;
  background:
    radial-gradient(circle at top right,rgba(0,212,255,0.08),transparent 30%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
  color:var(--text);
}
a{color:inherit;text-decoration:none}
.container{
  max-width:1160px;
  margin:0 auto;
  padding:0 20px;
}

/* ── Header & Nav ── */
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(12px);
  background:rgba(11,15,20,0.80);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:110px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:16px;
  letter-spacing:-0.02em;
}
.brand-logo{
  height:100px;
  width:auto;
  display:block;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(0,212,255,0.22),rgba(0,212,255,0.06));
  border:1px solid rgba(0,212,255,0.28);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  font-size:15px;
  font-weight:900;
  letter-spacing:0;
  flex-shrink:0;
}
.nav-links{
  display:flex;
  gap:22px;
  align-items:center;
}
.nav-links a{
  color:var(--muted);
  font-size:14px;
  transition:color 0.2s ease;
}
.nav-links a:hover,
.nav-links a.active{
  color:var(--text);
}

/* ── Buttons ── */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:10px;
  padding:13px 20px;
  font-weight:700;
  font-size:14px;
  cursor:pointer;
  transition:background 0.2s ease,transform 0.15s ease,box-shadow 0.2s ease;
  text-decoration:none;
}
.btn-primary{
  background:var(--accent);
  color:#061018;
  box-shadow:0 8px 20px rgba(0,212,255,0.18);
}
.btn-primary:hover{
  background:var(--accent-hover);
  transform:translateY(-1px);
}
.btn-secondary{
  background:var(--dark-btn);
  color:#fff;
}
.btn-secondary:hover{
  background:var(--dark-btn-hover);
}

/* ── Hero ── */
.hero{padding:72px 0 40px}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:700;
  margin-bottom:14px;
}
h1{
  margin:0 0 16px;
  font-size:46px;
  line-height:1.07;
  letter-spacing:-0.03em;
}
.lead{
  max-width:820px;
  color:var(--muted);
  font-size:17px;
  line-height:1.75;
  margin:0;
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:28px;
}
.notice{
  margin-top:28px;
  background:linear-gradient(180deg,rgba(22,28,36,0.96),rgba(18,24,33,0.96));
  border:1px solid var(--border);
  border-left:4px solid var(--accent);
  border-radius:12px;
  padding:16px 18px;
  color:var(--muted);
  line-height:1.7;
  box-shadow:var(--shadow);
}
.notice strong{color:var(--text)}

/* ── Sections ── */
.section{padding:28px 0 16px}
.section h2{
  margin:0 0 10px;
  font-size:30px;
  letter-spacing:-0.02em;
}
.section-intro{
  color:var(--muted);
  max-width:760px;
  line-height:1.75;
  margin:0 0 22px;
}

/* ── Grids ── */
.grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}

/* ── Cards ── */
.card{
  background:linear-gradient(180deg,rgba(18,24,33,0.98),rgba(15,20,28,0.98));
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:0 8px 24px rgba(0,0,0,0.20);
}
.card h3{
  margin:0 0 10px;
  font-size:20px;
  line-height:1.25;
  letter-spacing:-0.01em;
}
.card p{
  margin:0;
  color:var(--muted);
  line-height:1.75;
  font-size:15px;
}
.card p+p{margin-top:12px}
.kicker{
  display:inline-block;
  padding:5px 10px;
  border-radius:999px;
  font-size:11px;
  font-weight:700;
  letter-spacing:0.05em;
  text-transform:uppercase;
  color:var(--accent);
  background:rgba(0,212,255,0.08);
  border:1px solid rgba(0,212,255,0.18);
  margin-bottom:14px;
}
.card .meta{
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,0.06);
  color:var(--muted-2);
  font-size:13px;
  line-height:1.6;
}
.spacer{flex:1;min-height:16px}
.card-flex{
  display:flex;
  flex-direction:column;
  min-height:260px;
}

/* ── Contact form ── */
.form-grid{display:grid;gap:16px}
.form-grid label{
  display:block;
  color:var(--text);
  font-size:14px;
  font-weight:600;
  margin-bottom:6px;
}
.form-grid input,
.form-grid textarea,
.form-grid select{
  width:100%;
  padding:12px 14px;
  background:#0f1520;
  border:1px solid var(--border);
  color:var(--text);
  border-radius:10px;
  font:inherit;
  font-size:15px;
  transition:border-color 0.2s;
}
.form-grid input:focus,
.form-grid textarea:focus{
  outline:none;
  border-color:rgba(0,212,255,0.4);
}
.form-grid textarea{min-height:150px;resize:vertical}
.form-success{
  display:none;
  background:rgba(0,212,255,0.08);
  border:1px solid rgba(0,212,255,0.22);
  border-radius:10px;
  padding:16px 18px;
  color:var(--text);
  line-height:1.6;
  margin-top:4px;
}

/* ── Footer ── */
.site-footer{padding:32px 0 52px}
.footer-panel{
  background:rgba(18,24,33,0.85);
  border:1px solid var(--border);
  border-radius:12px;
  color:var(--muted-2);
  font-size:13px;
  line-height:1.75;
  padding:16px 18px;
}
.footer-panel strong{color:var(--text)}

/* ── Site gate modal ── */
.modal{
  display:none;
  position:fixed;
  z-index:999;
  inset:0;
  background:rgba(0,0,0,0.80);
  backdrop-filter:blur(6px);
  padding:24px;
  overflow-y:auto;
}
.modal-content{
  max-width:680px;
  margin:6vh auto 0;
  background:linear-gradient(180deg,rgba(18,24,33,0.99),rgba(15,20,28,0.99));
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.modal-header{
  padding:24px 24px 16px;
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.modal-header h2{
  margin:0 0 8px;
  font-size:26px;
  letter-spacing:-0.02em;
}
.modal-header p{
  margin:0;
  color:var(--muted);
  line-height:1.7;
}
.modal-body{padding:20px 24px 12px}
.modal-body p,.modal-body li{color:var(--muted);line-height:1.8}
.modal-body ul{margin:0 0 16px;padding-left:18px}
.checkbox-wrap{
  margin-top:8px;
  padding:14px 16px;
  border:1px solid rgba(255,255,255,0.07);
  border-radius:10px;
  background:rgba(255,255,255,0.02);
}
.checkbox-wrap label{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:var(--text);
  line-height:1.6;
  cursor:pointer;
  font-size:14px;
}
.checkbox-wrap input{
  margin-top:3px;
  accent-color:var(--accent);
  width:16px;
  height:16px;
  flex:0 0 auto;
}
.modal-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  padding:18px 24px 22px;
}

/* ── Responsive ── */
@media(max-width:980px){
  .grid,.grid-2{grid-template-columns:1fr}
}
@media(max-width:780px){
  h1{font-size:34px}
  .nav-links{gap:14px}
}
@media(max-width:640px){
  .container{padding:0 16px}
  .nav{flex-direction:column;align-items:flex-start;padding:12px 0;gap:10px}
  .nav-links{flex-wrap:wrap}
  .hero{padding:48px 0 22px}
  .modal{padding:14px}
  .modal-content{margin:2vh auto 0}
  .modal-actions .btn{width:100%}
}