:root{
  --bg:#0b1220;
  --bg2:#0f1a33;
  --card:#111c36;
  --text:#eaf0ff;
  --muted:#b8c2e0;
  --brand:#6ee7ff;
  --brand2:#a78bfa;
  --ok:#34d399;
  --warn:#fbbf24;
  --danger:#fb7185;
  --ring: rgba(110,231,255,.35);
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 24px;
  --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(900px 420px at 15% 12%, rgba(110,231,255,.18), transparent 60%),
    radial-gradient(900px 520px at 85% 18%, rgba(167,139,250,.18), transparent 65%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  line-height:1.5;
}

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

.wrap{ max-width:var(--max); margin:0 auto; padding:0 18px; }

.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.72);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.nav{
  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;
}

.logo{
  width:36px; height:36px; border-radius:12px;
  background: linear-gradient(135deg, rgba(110,231,255,.95), rgba(167,139,250,.95));
  box-shadow: 0 10px 30px rgba(110,231,255,.18);
  display:grid; place-items:center;
  color:#0b1220;
  font-weight:900;
}

.navlinks{
  display:flex; gap:14px; flex-wrap:wrap;
  align-items:center;
  color:var(--muted);
  font-size:14px;
}

.navActions{ display:flex; gap:10px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  border:1px solid rgba(255,255,255,.12);
  padding:10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  color:var(--text);
  cursor:pointer;
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
  user-select:none;
}

.btn:hover{ background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.18); }
.btn:active{ transform: translateY(1px); }

.btn.primary{
  background: linear-gradient(135deg, rgba(110,231,255,.92), rgba(167,139,250,.92));
  border-color: transparent;
  color:#0b1220;
  font-weight:700;
}

.btn.primary:hover{ filter:saturate(1.05) brightness(1.02); }

.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--muted);
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
}

header.hero{ padding:52px 0 22px; }

.heroGrid{
  display:grid;
  grid-template-columns: 1.08fr .92fr;
  gap:26px;
  align-items:stretch;
}

@media (max-width: 900px){
  .heroGrid{ grid-template-columns: 1fr; }
}

.headline{
  font-size: clamp(28px, 3.6vw, 46px);
  line-height:1.08;
  margin:14px 0 12px;
  letter-spacing:-.3px;
}

.sub{
  color:var(--muted);
  font-size: 16px;
  margin:0 0 22px;
  max-width: 60ch;
}

.actions{
  display:flex; gap:12px; flex-wrap:wrap;
  align-items:center;
  margin: 18px 0 8px;
}

.fineprint{
  color: rgba(184,194,224,.85);
  font-size:12px;
  margin-top:10px;
}

.card{
  background: rgba(17,28,54,.72);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
}

.heroCard{
  padding:18px;
  position:relative;
  overflow:hidden;
  min-height: 320px;
}

.heroCard::before{
  content:"";
  position:absolute; inset:-80px -60px auto auto;
  width: 240px; height: 240px; border-radius:50%;
  background: radial-gradient(circle at 30% 30%, rgba(110,231,255,.55), transparent 60%);
  filter: blur(2px);
  opacity:.8;
}

.heroCard::after{
  content:"";
  position:absolute; inset:auto auto -90px -70px;
  width: 280px; height: 280px; border-radius:50%;
  background: radial-gradient(circle at 40% 40%, rgba(167,139,250,.55), transparent 62%);
  opacity:.65;
}

.heroCardInner{
  position:relative;
  display:flex; flex-direction:column; gap:14px;
}

.miniTitle{
  font-size:13px; color:var(--muted);
  display:flex; align-items:center; justify-content:space-between;
  gap:10px;
}

.stats{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top: 8px;
}

.stat{
  padding:12px;
  border-radius: 16px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
}

.stat b{ display:block; font-size:18px; }
.stat span{ color:var(--muted); font-size:12px; }

main{ padding: 18px 0 70px; }

.section{
  margin-top: 18px;
  padding: 22px;
}

.section h2{
  margin:0 0 10px;
  font-size: 22px;
  letter-spacing:-.2px;
}

.muted{ color: var(--muted); }

.grid3{
  display:grid; gap:14px;
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px){
  .grid3{ grid-template-columns: 1fr; }
}

.feature{
  padding:16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
}

.feature h3{ margin:0 0 6px; font-size:16px; }
.feature p{ margin:0; color:var(--muted); font-size:14px; }

.split{
  display:grid; gap:14px;
  grid-template-columns: 1.05fr .95fr;
  align-items:start;
}

@media (max-width: 900px){
  .split{ grid-template-columns:1fr; }
}

.panel{
  padding:16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
}

.sectionTitle{ margin:0 0 10px; font-size:16px; letter-spacing:-.2px; }

label{
  display:block;
  color:var(--muted);
  font-size:12px;
  margin-bottom:6px;
}

input, textarea, select{
  width:100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(11,18,32,.55);
  color: var(--text);
  padding: 11px 12px;
  outline:none;
}

input:focus, textarea:focus, select:focus{
  border-color: rgba(110,231,255,.55);
  box-shadow: 0 0 0 4px var(--ring);
}

.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}

@media (max-width: 700px){
  .row{ grid-template-columns:1fr; }
}

.hint{ font-size:12px; color: rgba(184,194,224,.92); margin-top:6px; }

.pricing{
  display:grid; gap:14px;
  grid-template-columns: repeat(3, 1fr);
  align-items:stretch;
}

@media (max-width: 900px){
  .pricing{ grid-template-columns:1fr; }
}

.priceCard{
  padding:16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  display:flex;
  flex-direction:column;
  gap:10px;
}

.priceCard h3{ margin:0; }
.price{ margin:0; font-size:26px; letter-spacing:-.3px; }
.price span{ font-size:14px; color:var(--muted); margin-left:6px; }

.priceCard ul{
  margin:0;
  padding-left: 18px;
  color: var(--muted);
  font-size:14px;
}

.priceCard.featured{
  border-color: rgba(110,231,255,.30);
  box-shadow: 0 18px 60px rgba(110,231,255,.12);
}

.faq details{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  border-radius: 14px;
  padding: 10px 12px;
  margin: 10px 0;
}

.faq summary{
  cursor:pointer;
  font-weight:600;
}

.footerNote{ margin-top: 10px; }

.figure{
  margin: 14px 0 0;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}

.figure img{
  width:100%;
  height:auto;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.10);
}

.steps{
  margin:0;
  padding-left: 18px;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.steps li b{ display:block; }
.steps li span{ color: var(--muted); font-size:14px; }

.callout{
  margin-top: 14px;
  padding: 12px;
  border-radius: 14px;
  border: 1px dashed rgba(255,255,255,.18);
  background: rgba(110,231,255,.06);
}

.controls{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.toggleBlock{
  margin-top: 12px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  display:none;
}

.toggleBlock.is-open{ display:block; }

/* Hidden content cases */
.hidden-area{ margin-top: 18px; }
.hidden-display-none{ display:none; }
.hidden-visibility{ visibility:hidden; }
.hidden-opacity{ opacity:0; height:0; margin:0; }
.hidden-offscreen{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}

/* Screen-reader only */
.sr-only{
  position:absolute;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/* Tooltip */
.tooltip{
  position: fixed;
  left: 50%;
  top: 88px;
  transform: translateX(-50%) translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s ease, transform .15s ease;
  max-width: min(520px, calc(100vw - 32px));
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(17,28,54,.92);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  color: var(--text);
  z-index: 80;
}

.tooltip.is-open{
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* Popover */
.popover{
  position: fixed;
  right: 18px;
  top: 70px;
  width: min(380px, calc(100vw - 36px));
  padding: 12px;
  border-radius: 18px;
  background: rgba(17,28,54,.92);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity .15s ease, transform .15s ease;
  z-index: 90;
}

.popover.is-open{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.popoverHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom: 6px;
}

.popoverActions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 10px;
}

/* Icon button */
.iconBtn{
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
}

.iconBtn:hover{ background: rgba(255,255,255,.10); }

/* Modal */
.backdrop{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  display:none;
  align-items:center;
  justify-content:center;
  padding: 18px;
  z-index: 100;
}

.backdrop.is-open{ display:flex; }

.modal{
  width: min(720px, 100%);
  border-radius: 22px;
  background: rgba(17,28,54,.96);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow);
  padding: 16px;
}

.modalHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.modalTitle{ margin:0; font-size:18px; letter-spacing:-.2px; }

.modalFooter{
  display:flex;
  justify-content:flex-end;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 12px;
}

/* Drawer */
.drawer{
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(420px, calc(100vw - 36px));
  padding: 14px;
  background: rgba(17,28,54,.96);
  border-left: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow);
  transform: translateX(110%);
  transition: transform .2s ease;
  z-index: 95;
}

.drawer.is-open{ transform: translateX(0); }

.drawerHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom: 10px;
}

.drawerList{
  list-style:none;
  padding:0;
  margin:0 0 12px;
  display:flex;
  flex-direction:column;
  gap:10px;
  color: var(--text);
}

.drawerList label{ display:inline; color: var(--text); font-size:14px; margin:0; }

/* Dynamic root */
.dynamicRoot{
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 120;
  display:flex;
  flex-direction:column;
  gap:10px;
  max-width: min(420px, calc(100vw - 36px));
}

/* Toast */
.toast{
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(17,28,54,.92);
  box-shadow: var(--shadow);
  display:flex;
  gap:10px;
  align-items:flex-start;
}

.toast b{ display:block; }
.toast p{ margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.toast .toastActions{
  margin-left:auto;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.banner{
  position: fixed;
  left: 50%;
  top: 64px;
  transform: translateX(-50%);
  width: min(920px, calc(100vw - 36px));
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(34,211,238,.10);
  border: 1px solid rgba(34,211,238,.25);
  box-shadow: var(--shadow);
  z-index: 85;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}