/* TRISAI — styles.css */
:root{
  --bg: #070B12;
  --bg2:#0B1220;
  --panel:#0E1A2B;
  --text:#EAF0FF;
  --muted:#B5C1E2;
  --muted2:#93A4CF;
  --brand:#6CE5FF;
  --brand2:#7B6CFF;
  --ok:#4DE3A2;
  --warn:#FFC46B;
  --line: rgba(255,255,255,.10);
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --radius: 18px;
  --radius2: 26px;
  --max: 1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
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(1200px 800px at 20% 10%, rgba(108,229,255,.18), transparent 60%),
    radial-gradient(1000px 700px at 85% 20%, rgba(123,108,255,.18), transparent 55%),
    radial-gradient(900px 600px at 55% 85%, rgba(77,227,162,.12), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  line-height:1.55;
}

a{color:inherit}
.container{max-width:var(--max); margin:0 auto; padding:0 20px}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50;
  background: rgba(7,11,18,.65);
  backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{
  display:flex; align-items:center; gap:12px;
  text-decoration:none;
}
.brand img{width:38px; height:38px}
.brand .name{font-weight:750; letter-spacing:.08em}
.brand .tag{font-size:12px; color:var(--muted2); margin-top:2px}

.nav{
  display:flex; align-items:center; gap:18px;
}
.nav a{
  text-decoration:none;
  color:var(--muted);
  font-weight:600;
  font-size:14px;
  padding:10px 10px;
  border-radius:12px;
}
.nav a:hover{color:var(--text); background: rgba(255,255,255,.06)}
.nav a[aria-current="page"]{color:var(--text); background: rgba(108,229,255,.10); border:1px solid rgba(108,229,255,.18)}

.menu-btn{
  display:none;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  border-radius:14px;
  padding:10px 12px;
  font-weight:700;
}

@media (max-width: 880px){
  .menu-btn{display:inline-flex}
  .nav{display:none; position:absolute; left:0; right:0; top:66px; padding:14px 20px 18px; background: rgba(7,11,18,.92); border-bottom:1px solid var(--line)}
  .nav.open{display:flex; flex-direction:column; align-items:stretch}
  .nav a{padding:12px 12px}
}

/* Hero */
.hero{padding:58px 0 20px}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:26px;
  align-items:stretch;
}
@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr;}
}

.hero h1{
  font-size: clamp(32px, 4.2vw, 56px);
  line-height:1.05;
  margin:0 0 14px;
  letter-spacing:-.02em;
}
.hero p.lead{color:var(--muted); font-size: clamp(16px, 1.7vw, 18px); margin:0 0 18px}

.kicker{
  display:inline-flex; gap:10px; align-items:center;
  padding:8px 12px;
  border:1px solid rgba(108,229,255,.20);
  background: rgba(108,229,255,.08);
  border-radius: 999px;
  font-weight:700;
  color: var(--text);
  font-size: 13px;
}
.kicker .dot{width:8px;height:8px;border-radius:99px;background:var(--ok); box-shadow:0 0 0 4px rgba(77,227,162,.18)}

.cta-row{display:flex; flex-wrap:wrap; gap:12px; margin-top:18px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:12px 14px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  text-decoration:none;
  font-weight:800;
  font-size:14px;
}
.btn:hover{background: rgba(255,255,255,.07)}
.btn.primary{
  border:1px solid rgba(108,229,255,.35);
  background: linear-gradient(135deg, rgba(108,229,255,.18), rgba(123,108,255,.14));
}
.btn.primary:hover{filter:brightness(1.05)}
.btn .pill{font-size:12px; padding:3px 9px; border-radius:999px; background: rgba(255,255,255,.08); color: var(--muted)}

.card{
  border:1px solid var(--line);
  border-radius: var(--radius2);
  background: rgba(14,26,43,.62);
  box-shadow: var(--shadow);
}
.hero-card{padding:18px}

.metric-grid{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
.metric{padding:14px; border-radius: var(--radius); border:1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.03)}
.metric .label{font-size:12px; color:var(--muted2); font-weight:750; letter-spacing:.08em; text-transform:uppercase}
.metric .value{font-size:22px; font-weight:900; margin-top:6px}
.metric .note{color:var(--muted); font-size:13px; margin-top:4px}

/* Sections */
.section{padding:28px 0}
.section h2{margin:0 0 10px; font-size:28px; letter-spacing:-.02em}
.section p{margin:0 0 16px; color:var(--muted)}

.grid-3{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px}
@media (max-width: 980px){
  .grid-3{grid-template-columns: 1fr}
}

.feature{padding:16px}
.feature h3{margin:0 0 8px; font-size:16px}
.feature p{margin:0; color:var(--muted)}

.badge{
  display:inline-flex; align-items:center; gap:8px;
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-weight:700;
}
.badge b{color:var(--text)}

.split{
  display:grid; grid-template-columns: 1fr 1fr; gap:16px;
}
@media (max-width: 980px){
  .split{grid-template-columns: 1fr}
}

.list{
  margin:0; padding-left:18px;
  color: var(--muted);
}
.list li{margin:8px 0}

.hr{
  height:1px; background: var(--line); border:0; margin:18px 0;
}

/* Footer */
.site-footer{padding:28px 0 46px; color: var(--muted2)}
.footer-inner{
  display:flex; gap:14px; justify-content:space-between; align-items:flex-start;
  border-top:1px solid var(--line);
  padding-top:18px;
}
@media (max-width: 880px){
  .footer-inner{flex-direction:column}
}

.small{font-size:12px; color:var(--muted2)}

/* Forms */
.form{
  display:grid; gap:10px;
}
.field{
  display:grid; gap:6px;
}
label{font-weight:750; font-size:13px; color: var(--muted)}
input, textarea{
  width:100%;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding:12px 12px;
  font-size:14px;
  outline:none;
}
textarea{min-height:120px; resize:vertical}
input:focus, textarea:focus{border-color: rgba(108,229,255,.45); box-shadow:0 0 0 4px rgba(108,229,255,.12)}

.note-box{padding:14px; border-radius: var(--radius); border:1px solid rgba(255,255,255,.10); background: rgba(255,255,255,.03)}
.note-box strong{color: var(--text)}