:root{
  --bg: #0b1220;
  --bg2:#0e1730;
  --text:#e9eefc;
  --muted:#a8b3d6;
  --card:#121c33;
  --line: rgba(255,255,255,.10);
  --shadow: 0 10px 40px rgba(0,0,0,.35);
  --a1:#5cc8ff;
  --a2:#9b7bff;
  --a3:#a7ffcb;
  --radius: 18px;
  --radius2: 26px;
  --container: 1120px;
  --focus: 0 0 0 3px rgba(92,200,255,.28);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

:root[data-theme="light"]{
  --bg:#f7f8fd;
  --bg2:#eef1ff;
  --text:#0b1220;
  --muted:#3e4a73;
  --card:#ffffff;
  --line: rgba(11,18,32,.12);
  --shadow: 0 12px 36px rgba(11,18,32,.10);
  --focus: 0 0 0 3px rgba(155,123,255,.22);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation:none !important; transition:none !important; }
}

body{
  margin:0;
  font-family:var(--font);
  background: radial-gradient(1200px 700px at 20% -10%, rgba(92,200,255,.20), transparent 60%),
              radial-gradient(1000px 600px at 90% 10%, rgba(155,123,255,.18), transparent 60%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  color:var(--text);
  min-height:100vh;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; text-underline-offset:4px; }
strong{ font-weight:700; }

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

.skip-link{
  position:absolute; left:-9999px; top:12px;
  background:var(--card); color:var(--text);
  padding:10px 12px; border-radius:12px; border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.skip-link:focus{ left:12px; outline:none; box-shadow: var(--focus), var(--shadow); }

.bg-decor{
  position: fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 450px at 10% 0%, rgba(92,200,255,.14), transparent 65%),
    radial-gradient(700px 420px at 90% 0%, rgba(155,123,255,.13), transparent 60%);
  mix-blend-mode: normal;
  opacity:.9;
}

.site-header{
  position: sticky;
  top:0;
  z-index:20;
  backdrop-filter: blur(12px);
  background: rgba(10, 14, 24, .55);
  border-bottom: 1px solid var(--line);
}
:root[data-theme="light"] .site-header{
  background: rgba(247,248,253,.70);
}

.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width: 260px;
}
.brand:hover{ text-decoration:none; }
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.05;
}
.brand-text .muted{ color:var(--muted); font-size:12px; margin-top:4px; }

.logo{
  display:grid;
  place-items:center;
  width: 42px;
  height: 42px;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(92,200,255,.12), rgba(155,123,255,.12));
  border:1px solid var(--line);
}

.nav{
  display:flex;
  align-items:center;
  gap:12px;
}

.nav-toggle{
  display:none;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--text);
  border-radius:14px;
  padding:10px 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,.18);
}
.nav-toggle:focus{ outline:none; box-shadow: var(--focus), 0 6px 18px rgba(0,0,0,.18); }
.bars{
  display:block;
  width:18px; height:12px;
  background:
    linear-gradient(var(--text), var(--text)) 0 0/100% 2px no-repeat,
    linear-gradient(var(--text), var(--text)) 0 50%/100% 2px no-repeat,
    linear-gradient(var(--text), var(--text)) 0 100%/100% 2px no-repeat;
  opacity:.85;
}

.nav-menu{
  display:flex;
  align-items:center;
  gap:18px;
  padding: 10px 14px;
  border-radius: 999px;
  border:1px solid var(--line);
  background: rgba(18, 28, 51, .55);
}
:root[data-theme="light"] .nav-menu{
  background: rgba(255,255,255,.75);
}

.nav-menu a{
  color: var(--muted);
  font-weight:600;
  font-size:14px;
}
.nav-menu a:hover{ color:var(--text); text-decoration:none; }

.pill{
  padding: 8px 12px;
  border-radius: 999px;
  border:1px solid var(--line);
  background: linear-gradient(135deg, rgba(92,200,255,.12), rgba(155,123,255,.12));
  color: var(--text) !important;
}

.controls{
  display:flex;
  align-items:center;
  gap:10px;
}

.icon-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--text);
  border-radius: 14px;
  padding:10px 12px;
  cursor:pointer;
  box-shadow: 0 6px 18px rgba(0,0,0,.18);
}
.icon-btn:hover{ transform: translateY(-1px); }
.icon-btn:active{ transform: translateY(0); }
.icon-btn:focus{ outline:none; box-shadow: var(--focus), 0 6px 18px rgba(0,0,0,.18); }
.icon{ opacity:.9; }
.label{ font-weight:700; font-size:13px; }

.sr-only{
  position:absolute;
  width:1px; height:1px;
  margin:-1px; padding:0;
  overflow:hidden; clip:rect(0,0,0,0);
  border:0;
}

.hero{
  padding: 56px 0 24px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
  align-items:stretch;
}

.kicker{
  display:inline-flex;
  gap:10px;
  align-items:center;
  font-weight:800;
  letter-spacing:.08em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 10px;
}
.kicker::before{
  content:"";
  width:10px; height:10px;
  border-radius:999px;
  background: linear-gradient(135deg, var(--a1), var(--a2));
  box-shadow: 0 0 0 4px rgba(92,200,255,.12);
}

h1{
  font-size: clamp(32px, 4vw, 52px);
  line-height:1.03;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}
.lead{
  font-size: 16px;
  line-height:1.7;
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 62ch;
}

.cta-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin: 18px 0 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: transparent;
  color: var(--text);
  font-weight:800;
  cursor:pointer;
  text-decoration:none !important;
  user-select:none;
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }
.btn:focus{ outline:none; box-shadow: var(--focus); }

.btn.primary{
  background: linear-gradient(135deg, rgba(92,200,255,.20), rgba(155,123,255,.20));
  border-color: rgba(155,123,255,.35);
}
.btn.ghost{
  background: rgba(255,255,255,.06);
}

.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top: 10px;
}
.trust-chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 10px 12px;
  border-radius: 999px;
  border:1px solid var(--line);
  background: rgba(18, 28, 51, .45);
  color: var(--muted);
  font-weight:700;
  font-size: 13px;
}
:root[data-theme="light"] .trust-chip{ background: rgba(255,255,255,.75); }

.dot{
  width:10px; height:10px;
  border-radius:999px;
  background: linear-gradient(135deg, var(--a1), var(--a2));
}

.hero-card{
  border-radius: var(--radius2);
  border: 1px solid var(--line);
  background:
    radial-gradient(900px 300px at 20% 0%, rgba(92,200,255,.10), transparent 60%),
    radial-gradient(900px 300px at 80% 10%, rgba(155,123,255,.10), transparent 60%),
    rgba(18, 28, 51, .55);
  box-shadow: var(--shadow);
  overflow:hidden;
}
:root[data-theme="light"] .hero-card{
  background:
    radial-gradient(900px 300px at 20% 0%, rgba(92,200,255,.10), transparent 60%),
    radial-gradient(900px 300px at 80% 10%, rgba(155,123,255,.10), transparent 60%),
    rgba(255,255,255,.75);
}

.glass{ padding: 22px; }
.hero-card h2{
  margin: 0 0 12px;
  letter-spacing: -0.01em;
  font-size: 18px;
}
.checklist{
  list-style:none;
  padding:0;
  margin: 0 0 14px;
  display:grid;
  gap:10px;
}
.checklist li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color: var(--muted);
  line-height:1.5;
}
.checklist li::before{
  content:"✓";
  font-weight:900;
  color: var(--a3);
  margin-top:1px;
}

.mini-metrics{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 16px;
}
.metric{
  padding: 10px 10px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
}
:root[data-theme="light"] .metric{ background: rgba(11,18,32,.04); }

.metric .num{
  font-weight: 900;
  letter-spacing:.08em;
  color: var(--text);
  font-size: 12px;
}
.metric .txt{
  color: var(--muted);
  font-weight:800;
  font-size: 12px;
  margin-top: 4px;
}

.section{
  padding: 56px 0;
}
.section.alt{
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent);
}
:root[data-theme="light"] .section.alt{
  background: linear-gradient(180deg, transparent, rgba(11,18,32,.03), transparent);
}

.section-head{
  margin-bottom: 18px;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 18px;
  flex-wrap:wrap;
}
.section-head h2{
  margin:0;
  font-size: 28px;
  letter-spacing:-0.01em;
}
.sub{
  margin:0;
  color: var(--muted);
  line-height:1.7;
  max-width: 70ch;
}

.grid{
  display:grid;
  gap: 14px;
}

.cards{
  grid-template-columns: repeat(3, 1fr);
  margin-top: 18px;
}
.card{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(18, 28, 51, .55);
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
  padding: 18px;
}
:root[data-theme="light"] .card{
  background: rgba(255,255,255,.80);
  box-shadow: 0 12px 26px rgba(11,18,32,.10);
}

.card h3{
  margin:0 0 10px;
  font-size: 16px;
  letter-spacing:-0.01em;
}
.card p{
  margin:0 0 12px;
  color: var(--muted);
  line-height:1.65;
}
.bullets{
  margin:0;
  padding-left: 18px;
  color: var(--muted);
  line-height:1.7;
}
.bullets li{ margin: 4px 0; }

.card.highlight{
  background:
    radial-gradient(900px 220px at 20% 0%, rgba(92,200,255,.12), transparent 60%),
    radial-gradient(900px 220px at 80% 10%, rgba(155,123,255,.12), transparent 60%),
    rgba(18, 28, 51, .55);
  border-color: rgba(155,123,255,.35);
}

.steps{
  list-style:none;
  padding:0;
  margin: 18px 0 0;
  display:grid;
  gap:12px;
}
.step{
  display:flex;
  gap: 14px;
  align-items:flex-start;
  border:1px solid var(--line);
  background: rgba(18, 28, 51, .45);
  border-radius: var(--radius);
  padding: 14px;
}
:root[data-theme="light"] .step{ background: rgba(255,255,255,.75); }

.step-num{
  width: 34px;
  height: 34px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  font-weight:900;
  background: linear-gradient(135deg, rgba(92,200,255,.18), rgba(155,123,255,.18));
  border:1px solid var(--line);
}
.step-body h3{ margin:0 0 6px; font-size: 16px; }
.step-body p{ margin:0; color:var(--muted); line-height:1.65; }

.callout{
  margin-top: 18px;
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background: linear-gradient(135deg, rgba(92,200,255,.12), rgba(155,123,255,.12));
  padding: 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  flex-wrap:wrap;
}

.usecases{
  grid-template-columns: repeat(3, 1fr);
  margin-top: 18px;
}
.uc{
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(18, 28, 51, .45);
  padding: 16px;
}
:root[data-theme="light"] .uc{ background: rgba(255,255,255,.75); }
.uc h3{ margin:0 0 8px; font-size: 16px; }
.uc p{ margin:0; color:var(--muted); line-height:1.65; }

.about{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 14px;
  align-items:start;
}
.badges{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 14px;
}
.badge{
  display:inline-flex;
  align-items:center;
  padding: 9px 12px;
  border-radius: 999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  font-weight:800;
  font-size: 13px;
}

.about-card{
  border-radius: var(--radius2);
  border: 1px solid var(--line);
  background: rgba(18, 28, 51, .55);
  padding: 18px;
  box-shadow: var(--shadow);
}
:root[data-theme="light"] .about-card{ background: rgba(255,255,255,.80); }

.contact-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 14px;
  margin-top: 18px;
}

.form .field-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.field{
  display:flex;
  flex-direction:column;
  gap: 8px;
}
label{
  font-weight:900;
  font-size: 13px;
  color: var(--text);
}
input, textarea, select{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font: inherit;
  outline: none;
}
:root[data-theme="light"] input,
:root[data-theme="light"] textarea,
:root[data-theme="light"] select{
  background: rgba(11,18,32,.04);
}
input:focus, textarea:focus, select:focus{ box-shadow: var(--focus); }

.hint{
  color: var(--muted);
  font-size: 12px;
}

.form-actions{
  display:flex;
  gap: 12px;
  margin-top: 12px;
  flex-wrap:wrap;
}
.fineprint{
  color: var(--muted);
  font-size: 12px;
  line-height:1.6;
  margin: 12px 0 0;
}

.toast{
  margin-top: 12px;
  padding: 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(18, 28, 51, .55);
  display:none;
}
.toast.show{ display:block; }

.contact-side .contact-items{
  display:grid;
  gap: 10px;
  margin-top: 10px;
}
.ci{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  border:1px solid var(--line);
  border-radius: 14px;
  padding: 10px 12px;
  background: rgba(255,255,255,.05);
}
:root[data-theme="light"] .ci{ background: rgba(11,18,32,.04); }

.ci-k{
  color: var(--muted);
  font-weight:900;
  font-size: 12px;
  letter-spacing:.04em;
  text-transform: uppercase;
}
.ci-v{ color: var(--text); font-weight:800; }

.divider{
  height:1px;
  background: var(--line);
  margin: 14px 0;
}

.linklike{
  border:none;
  background:transparent;
  padding:0;
  color:inherit;
  cursor:pointer;
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.linklike:focus{ outline:none; box-shadow: var(--focus); border-radius: 10px; }

.footer{
  padding: 26px 0 18px;
  border-top: 1px solid var(--line);
  background: rgba(10, 14, 24, .45);
  backdrop-filter: blur(10px);
}
:root[data-theme="light"] .footer{ background: rgba(247,248,253,.75); }

.footer-grid{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
  flex-wrap:wrap;
}
.footer-brand{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.footer-links{
  display:flex;
  gap: 14px;
  align-items:center;
  flex-wrap:wrap;
}
.footer-bottom{
  margin-top: 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  flex-wrap:wrap;
}

.modal{
  width: min(720px, calc(100% - 26px));
  border:none;
  padding:0;
  border-radius: var(--radius2);
  background: var(--card);
  color: var(--text);
  box-shadow: var(--shadow);
}
.modal::backdrop{
  background: rgba(0,0,0,.55);
}
.modal-inner{
  padding: 16px;
}
.modal-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.modal-body{
  padding: 12px 0;
  color: var(--muted);
  line-height:1.75;
}
.modal-actions{
  padding-top: 10px;
  border-top: 1px solid var(--line);
  display:flex;
  justify-content:flex-end;
}

@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .usecases{ grid-template-columns: 1fr; }
  .about{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 820px){
  .nav-toggle{ display:inline-flex; }
  .nav-menu{
    display:none;
    position:absolute;
    right: 20px;
    top: 68px;
    flex-direction:column;
    align-items:stretch;
    gap: 10px;
    padding: 12px;
    border-radius: 18px;
    width: min(360px, calc(100vw - 40px));
    box-shadow: var(--shadow);
  }
  .nav-menu.open{ display:flex; }
  .nav-menu a{ padding: 10px 12px; border-radius: 14px; }
  .nav-menu a:hover{ background: rgba(255,255,255,.06); }
  :root[data-theme="light"] .nav-menu a:hover{ background: rgba(11,18,32,.04); }
  .form .field-row{ grid-template-columns: 1fr; }
  .mini-metrics{ grid-template-columns: repeat(2, 1fr); }
}