:root{
  --bg: #0b0f17;
  --panel: #121a27;
  --panel-2:#0f1622;
  --text: #e9eef7;
  --muted:#a9b4c7;
  --brand:#6ee7ff;
  --brand-2:#8b5cf6;
  --border: rgba(255,255,255,.10);
  --shadow: 0 12px 40px rgba(0,0,0,.35);
  --radius: 16px;
  --max: 1100px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(110,231,255,.18), transparent 60%),
    radial-gradient(700px 450px at 85% 0%, rgba(139,92,246,.20), transparent 55%),
    var(--bg);
  line-height:1.55;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; }

/* Watermark (Tero-Tech) */
.watermark::before{
  content: "Tero-Tech";
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(52px, 12vw, 160px);
  font-weight: 800;
  letter-spacing: 2px;
  color: rgba(255,255,255,.30);
  -webkit-text-stroke: 1px rgba(255,255,255,.15);
  text-stroke: 1px rgba(255,255,255,.15);
  text-shadow: 0 2px 8px rgba(0,0,0,.25);
  transform: rotate(-18deg);
  pointer-events: none;
  z-index: 9999;
}
.watermark *{ position: relative; z-index: 10000; }

.container{
  width:min(var(--max), calc(100% - 40px));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,15,23,.55);
  border-bottom:1px solid var(--border);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  letter-spacing:.2px;
}
.brand-mark{
  display:inline-flex;
  width:34px; height:34px;
  align-items:center; justify-content:center;
  border-radius:12px;
  background: linear-gradient(135deg, rgba(110,231,255,.25), rgba(139,92,246,.25));
  border:1px solid var(--border);
}
.brand-name{ font-size:15px; }

.nav{
  display:flex;
  align-items:center;
  gap:18px;
  color:var(--muted);
  font-weight:600;
  font-size:14px;
}
.nav a{ color:var(--muted); }
.nav a:hover{ color:var(--text); text-decoration:none; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 16px;
  border-radius:14px;
  font-weight:700;
  border:1px solid rgba(255,255,255,.12);
  background: linear-gradient(135deg, rgba(110,231,255,.25), rgba(139,92,246,.25));
  box-shadow: var(--shadow);
  text-decoration:none !important;
  cursor:pointer;
}
.btn:hover{ filter:brightness(1.05); }
.btn:active{ transform: translateY(1px); }

.btn-small{ padding:10px 14px; border-radius:12px; }
.btn-ghost{
  background:transparent;
  box-shadow:none;
  border:1px solid rgba(255,255,255,.16);
  color:var(--text);
}

.hero{
  padding:64px 0 30px;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:28px;
  align-items:center;
}
.eyebrow{
  color:var(--muted);
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-size:12px;
  margin:0 0 10px;
}
.hero h1{
  font-size: clamp(30px, 4vw, 46px);
  line-height:1.08;
  margin:0 0 14px;
}
.lead{
  color:var(--muted);
  font-size:18px;
  margin:0 0 18px;
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:18px;
}

.hero-stats{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.stat{
  flex:1 1 140px;
  padding:12px 14px;
  border-radius: var(--radius);
  border:1px solid var(--border);
  background: rgba(18,26,39,.65);
}
.stat-number{ font-weight:800; font-size:18px; }
.stat-label{ color:var(--muted); font-weight:600; font-size:13px; }

.hero-card .card{
  border-radius: var(--radius);
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(18,26,39,.9), rgba(15,22,34,.9));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card-top{
  display:flex;
  gap:7px;
  padding:12px 14px;
  border-bottom:1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.dot{
  width:10px; height:10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
}
.card-body{ padding:18px; }
.placeholder-title{
  height:16px; width:68%;
  background: rgba(255,255,255,.10);
  border-radius: 10px;
  margin-bottom:12px;
}
.placeholder-line{
  height:12px; width:100%;
  background: rgba(255,255,255,.08);
  border-radius: 10px;
  margin-bottom:10px;
}
.placeholder-line.short{ width:78%; }
.placeholder-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:10px;
  margin:16px 0 14px;
}
.placeholder-box{
  height:54px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
}
.placeholder-cta{
  height:42px; width:55%;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(110,231,255,.22), rgba(139,92,246,.22));
  border:1px solid rgba(255,255,255,.12);
}

.section{
  padding:56px 0;
}
.section-alt{
  background: rgba(255,255,255,.03);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section-head{
  margin-bottom:22px;
}
.section h2{
  margin:0 0 8px;
  font-size:26px;
}
.section-head p{ margin:0; color:var(--muted); }

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:16px;
}
.feature{
  padding:18px;
  border-radius: var(--radius);
  border:1px solid var(--border);
  background: rgba(18,26,39,.60);
  box-shadow: 0 10px 30px rgba(0,0,0,.20);
}
.feature h3{ margin:0 0 6px; }
.feature p{ margin:0 0 12px; color:var(--muted); }

.checklist{
  padding-left: 18px;
  margin:0;
  color:var(--text);
}
.checklist li{
  margin: 8px 0;
  color: var(--muted);
}
.checklist li::marker{ color: rgba(110,231,255,.8); }

.split{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:18px;
  align-items:start;
}
.pill-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; }
.pill{
  padding:8px 10px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(18,26,39,.55);
  color: var(--muted);
  font-weight:700;
  font-size:12px;
}

.about-box{
  padding:18px;
  border-radius: var(--radius);
  border:1px solid var(--border);
  background: rgba(18,26,39,.60);
}

.quote{
  margin:0;
  padding:18px;
  border-radius: var(--radius);
  border:1px solid var(--border);
  background: rgba(18,26,39,.60);
}
.quote blockquote{
  margin:0 0 10px;
  color: var(--text);
  font-weight:650;
}
.quote figcaption{
  color: var(--muted);
  font-weight:600;
}

.contact-cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top:14px;
}
.contact-card{
  padding:14px;
  border-radius: var(--radius);
  border:1px solid var(--border);
  background: rgba(18,26,39,.55);
}
.label{
  color: var(--muted);
  font-weight:800;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.12em;
  margin-bottom:6px;
}

.form{
  padding:18px;
  border-radius: var(--radius);
  border:1px solid var(--border);
  background: rgba(18,26,39,.60);
}
.form label{
  display:block;
  margin-bottom:12px;
}
.form span{
  display:block;
  font-weight:800;
  margin-bottom:6px;
  font-size:13px;
  color: var(--muted);
}
input, textarea{
  width:100%;
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(10,14,20,.55);
  color: var(--text);
  outline:none;
}
input:focus, textarea:focus{
  border-color: rgba(110,231,255,.45);
  box-shadow: 0 0 0 4px rgba(110,231,255,.12);
}
.fineprint{
  margin:10px 0 0;
  color: var(--muted);
  font-size:12px;
}

.footer{
  padding:20px 0;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  border-top:1px solid var(--border);
  padding-top:18px;
  color: var(--muted);
  font-weight:600;
  font-size:14px;
}
.footer-links{ display:flex; gap:12px; }
.footer-links a{ color: var(--muted); }
.footer-links a:hover{ color: var(--text); text-decoration:none; }

/* Responsive */
@media (max-width: 900px){
  .hero-inner, .split{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .contact-cards{ grid-template-columns: 1fr; }
  .nav{ gap:12px; }
}