:root{
  --bg: #0b1020;
  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.90);
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.60);
  --border: rgba(255,255,255,.12);
  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --p1:#7C3AED;
  --p2:#06B6D4;
  --radius: 22px;
  --radius2: 28px;
}

*{ 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 10% 10%, rgba(124,58,237,.35), transparent 55%),
    radial-gradient(900px 700px at 90% 35%, rgba(6,182,212,.28), transparent 55%),
    radial-gradient(700px 600px at 70% 100%, rgba(124,58,237,.22), transparent 55%),
    linear-gradient(180deg, #070a14, var(--bg));
  line-height:1.55;
}

a{ color: inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

.container{
  width:min(1140px, 92vw);
  margin:0 auto;
}

.nav{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(7,10,20,.55);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap:16px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:800;
  letter-spacing:.2px;
}
.brand-badge{
  width:34px; height:34px; border-radius:12px;
  background: linear-gradient(135deg, var(--p1), var(--p2));
  box-shadow: 0 10px 26px rgba(124,58,237,.25);
  display:grid; place-items:center;
}
.brand-badge svg{ width:18px; height:18px; }
.brand small{
  display:block;
  font-weight:600;
  color: var(--muted2);
  letter-spacing:.4px;
  margin-top:1px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav-links a{
  color: var(--muted);
  font-weight:600;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 12px;
}
.nav-links a:hover{ background: rgba(255,255,255,.06); color: var(--text); }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  border: 1px solid rgba(255,255,255,.14);
  padding: 12px 16px;
  border-radius: 16px;
  font-weight:800;
  gap:10px;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
  user-select:none;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{
  background: linear-gradient(135deg, var(--p1), var(--p2));
  border-color: rgba(255,255,255,.0);
  box-shadow: 0 18px 50px rgba(124,58,237,.22);
}
.btn-primary:hover{ filter: brightness(1.05); }
.btn-ghost{
  background: rgba(255,255,255,.06);
}
.btn-ghost:hover{ background: rgba(255,255,255,.10); }

.hero{
  padding: 54px 0 18px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 26px;
  align-items:center;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
}
.kicker .dot{
  width: 10px; height:10px; border-radius: 99px;
  background: linear-gradient(135deg, var(--p1), var(--p2));
  box-shadow: 0 0 0 6px rgba(124,58,237,.12);
}
h1{
  font-size: clamp(34px, 4vw, 54px);
  line-height:1.08;
  margin: 14px 0 12px;
  letter-spacing: -0.5px;
}
.lead{
  color: var(--muted);
  font-size: 17px;
  max-width: 62ch;
}
.hero-actions{
  display:flex;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.trust{
  display:flex; gap:16px; flex-wrap:wrap;
  margin-top: 18px;
  color: var(--muted2);
  font-weight: 650;
  font-size: 13px;
}
.trust span{
  display:inline-flex; align-items:center; gap:8px;
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}
.trust svg{ width:16px; height:16px; opacity:.9; }

.hero-card{
  border-radius: var(--radius2);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.hero-card img{
  width:100%;
  height:auto;
}
.hero-card .pad{
  padding: 18px 18px 18px;
}
.mini{
  display:flex; gap:12px; align-items:flex-start;
}
.mini b{ display:block; }
.mini p{ margin:4px 0 0; color: var(--muted); font-size:14px; }
.pill{
  display:inline-flex; align-items:center; gap:8px;
  font-weight:800;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

section{
  padding: 52px 0;
}
.section-title{
  font-size: 28px;
  margin: 0 0 8px;
}
.section-sub{
  margin: 0 0 22px;
  color: var(--muted);
  max-width: 85ch;
}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 14px 50px rgba(0,0,0,.18);
}
.card h3{
  margin: 10px 0 6px;
  font-size: 17px;
}
.card p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.card .icon{
  width: 44px; height:44px;
  border-radius: 16px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  display:grid; place-items:center;
}
.card .icon img{ width:26px; height:26px; }

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: stretch;
}
.callout{
  background: linear-gradient(135deg, rgba(124,58,237,.18), rgba(6,182,212,.12));
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius2);
  padding: 22px;
  box-shadow: var(--shadow);
}
.callout h3{ margin: 0 0 8px; font-size: 20px; }
.callout p{ margin: 0; color: var(--muted); }
.callout .row{
  display:flex; gap: 10px; flex-wrap:wrap;
  margin-top: 14px;
}

.faq details{
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
  padding: 14px 16px;
  margin-bottom: 10px;
}
.faq summary{
  cursor:pointer;
  font-weight: 800;
}
.faq p{ color: var(--muted); margin: 10px 0 0; }

.footer{
  padding: 26px 0 44px;
  color: var(--muted2);
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:flex;
  justify-content:space-between;
  gap: 16px;
  flex-wrap:wrap;
}
.footer a{ color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.badges{
  display:flex; gap:10px; flex-wrap:wrap;
}
.badges span{
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
}

.big-cta{
  padding: 16px;
  display:flex;
  gap: 12px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius2);
}
.big-cta h3{ margin: 0; font-size: 18px;}
.big-cta p{ margin: 2px 0 0; color: var(--muted); font-size: 14px; max-width: 70ch; }

.btn-xl{
  padding: 16px 18px;
  border-radius: 18px;
  font-size: 15px;
}
.btn-xl .spark{
  width: 10px; height:10px; border-radius:99px;
  background: rgba(255,255,255,.95);
  box-shadow: 0 0 0 6px rgba(255,255,255,.18);
}

.modal{
  position: fixed;
  inset: 0;
  display:none;
  align-items:center;
  justify-content:center;
  padding: 18px;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(10px);
  z-index: 100;
}
.modal.open{ display:flex; }
.modal-card{
  width: min(860px, 96vw);
  background: rgba(10,14,28,.92);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 24px;
  box-shadow: 0 30px 90px rgba(0,0,0,.55);
  overflow:hidden;
}
.modal-head{
  padding: 14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.modal-head b{ font-size: 15px; }
.close{
  width: 40px; height:40px;
  border-radius: 14px;
  display:grid; place-items:center;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
  cursor:pointer;
}
.close:hover{ background: rgba(255,255,255,.10); }

.chat-wrap{
  display:grid;
  grid-template-columns: 1fr 1.1fr;
  min-height: 520px;
}
.panel{
  padding: 16px;
}
.panel p{ margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.form{
  display:grid;
  gap: 10px;
  margin-top: 12px;
}
.input{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: var(--text);
  outline:none;
}
.input:focus{
  border-color: rgba(6,182,212,.45);
  box-shadow: 0 0 0 5px rgba(6,182,212,.12);
}
.small{
  font-size: 12px;
  color: var(--muted2);
}

.chat{
  border-left: 1px solid rgba(255,255,255,.08);
  display:flex;
  flex-direction:column;
}
.chat-log{
  padding: 16px;
  overflow:auto;
  flex: 1;
}
.msg{
  display:flex;
  margin-bottom: 12px;
}
.bubble{
  max-width: 86%;
  padding: 12px 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-size: 14px;
}
.msg.me{ justify-content:flex-end; }
.msg.me .bubble{
  background: linear-gradient(135deg, rgba(124,58,237,.32), rgba(6,182,212,.20));
}
.msg .meta{
  display:block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--muted2);
}
.chat-input{
  display:flex;
  gap: 10px;
  padding: 14px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
}
.send{
  white-space:nowrap;
}

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .chat-wrap{ grid-template-columns: 1fr; }
  .chat{ border-left:none; border-top: 1px solid rgba(255,255,255,.08); }
}