/* ==== THEME ==== */
:root{
  --bg:#0b1220;
  --bg-soft:#0e1a2f;
  --text:#e6eef8;
  --muted:#9db0c7;
  --brand:#00c2ff;
  --brand2:#42ffb3;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --radius-xl:18px;
  --radius:12px;
  --container:1200px;
  --speed:700ms;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0,194,255,.12), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(66,255,179,.08), transparent 60%),
    var(--bg);
  overflow-x:hidden;
  scroll-behavior:smooth;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ==== LAYOUT ==== */
.container{max-width:var(--container);margin-inline:auto;padding:0 20px}
.section{padding:72px 0}
.section__head{margin-bottom:26px}
.section__head h2{margin:0;font-size:clamp(22px,3vw,36px)}
.section__sub{color:var(--muted);max-width:780px}

/* ==== NAV ==== */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(9,16,30,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
  box-shadow:0 2px 10px rgba(0,0,0,.3)
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.brand{display:flex;gap:10px;align-items:center;font-weight:800;font-size:20px;letter-spacing:.3px}
.brand__dot{width:11px;height:11px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  box-shadow:0 0 10px rgba(0,194,255,.8)}
.menu{display:flex;gap:18px;align-items:center}
.menu__link{opacity:.85}
.menu__link:hover{opacity:1}
.hamburger{display:none;border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:10px;background:rgba(255,255,255,.05);color:var(--text)}
@media (max-width:920px){
  .menu{display:none !important}
  .hamburger{display:inline-flex}
  .drawer{display:block}
}
@media (min-width:921px){
  .drawer{display:none !important}
}

/* Drawer */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(90vw,360px);
  background:rgba(9,16,30,.98);transform:translateX(100%);transition:transform .35s ease;z-index:150;
  border-left:1px solid rgba(255,255,255,.06)
}
.drawer.open{transform:translateX(0)}
.drawer__links{display:flex;flex-direction:column;padding:18px}
.drawer__link{padding:14px;border-bottom:1px solid rgba(255,255,255,.08)}

/* ==== BUTTONS ==== */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  box-shadow:var(--shadow);transition:transform .2s ease, box-shadow .2s ease
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,194,255,.25)}
.btn--primary{background:linear-gradient(135deg,var(--brand),var(--brand2));border:none;color:#05131e}

/* ==== HERO ==== */
.hero{position:relative;padding:120px 0 60px;overflow:hidden}
.badge{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);font-size:13px;color:var(--muted)}
.hero h1{font-size:clamp(32px,5vw,64px);line-height:1.1;margin:12px 0;font-weight:800}
.hero__subtitle{color:var(--muted);max-width:760px;margin-bottom:24px}
.hero__ctas{display:flex;flex-wrap:wrap;gap:12px}
.highlight{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
#constellation{position:absolute;inset:0;z-index:-1;opacity:.8}
.glow{position:absolute;filter:blur(70px);opacity:.35}
.g1{width:420px;height:420px;background:radial-gradient(circle at 30% 30%, var(--brand), transparent 60%);top:-80px;left:-80px}
.g2{width:460px;height:460px;background:radial-gradient(circle at 70% 70%, var(--brand2), transparent 60%);bottom:-120px;right:-80px}
.parallax{position:absolute;border-radius:50%;opacity:.25;filter:blur(1px)}
.parallax--orb{background:linear-gradient(135deg,rgba(0,194,255,.5),rgba(66,255,179,.5))}
.orb-1{width:120px;height:120px;top:22%;left:8%}
.orb-2{width:180px;height:180px;bottom:18%;right:12%}

/* Counters */
.counters{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px}
.counter{min-width:180px;padding:16px 18px;border-radius:16px;background:rgba(255,255,255,.04);text-align:center}
.counter__num{font-size:clamp(28px,3vw,42px);font-weight:800}
.counter__label{color:var(--muted);font-size:13px}

/* ==== TABS ==== */
.tabs{display:flex;gap:8px;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:6px;background:rgba(255,255,255,.03)}
.tab{padding:10px 14px;border-radius:10px;border:1px solid transparent;background:transparent;color:var(--text);cursor:pointer}
.tab--active{background:linear-gradient(135deg,rgba(0,194,255,.18),rgba(66,255,179,.18));border-color:rgba(255,255,255,.1)}
.tabpanels{margin-top:16px}
.tabpanel{display:none;animation:fade .5s ease}
.tabpanel--active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* Lists & diagrams */
.list{margin:12px 0 0 0;padding-left:18px}
.list li{margin-bottom:6px}
.diagram{height:220px;border-radius:14px;border:1px dashed rgba(255,255,255,.18);background:linear-gradient(135deg,rgba(255,255,255,.04),rgba(255,255,255,.02))}
.diagram--flow{background:
  radial-gradient(circle at 15% 40%, rgba(0,194,255,.18), transparent 40%),
  radial-gradient(circle at 55% 60%, rgba(66,255,179,.14), transparent 40%),
  linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.02))}
.diagram--wallet{background:
  radial-gradient(circle at 35% 40%, rgba(66,255,179,.16), transparent 42%),
  radial-gradient(circle at 65% 55%, rgba(0,194,255,.18), transparent 42%),
  linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.02))}
.diagram--charts{background:
  radial-gradient(circle at 30% 60%, rgba(0,194,255,.16), transparent 44%),
  radial-gradient(circle at 70% 45%, rgba(66,255,179,.16), transparent 44%),
  linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.02))}

/* ==== GRID / CARDS ==== */
.grid{display:grid;gap:22px}
.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.four{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1024px){.two,.three,.four{grid-template-columns:1fr}}
.card{
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-xl);
  padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden
}
.card:hover{box-shadow:0 20px 48px rgba(0,0,0,.45)}
.card--tilt{transform:perspective(800px) rotateX(0deg) rotateY(0deg);transition:transform .15s ease}

/* Icons */
.icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:12px;
  background:linear-gradient(135deg, rgba(0,194,255,.18), rgba(66,255,179,.18));border:1px solid rgba(255,255,255,.08)}

/* CTA band */
.cta{margin-top:18px;border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(90deg, rgba(0,194,255,.10), rgba(66,255,179,.08));
  border-radius:20px;padding:18px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}

/* ==== SLIDER ==== */
.slider{position:relative}
.slider__track{display:flex;gap:18px;scroll-behavior:smooth;overflow:auto;padding-bottom:6px}
.slide{flex:0 0 340px}
.product{border-radius:16px;overflow:hidden;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);cursor:pointer;transition:transform .2s ease, box-shadow .2s ease}
.product:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(0,194,255,.2)}
.product h4{margin:10px 12px 16px}
.slider__nav{position:absolute;top:40%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);cursor:pointer}
.slider__nav--prev{left:-6px}
.slider__nav--next{right:-6px}

/* ==== MODAL ==== */
.modal{position:fixed;inset:0;background:rgba(4,8,16,.75);backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;padding:20px;z-index:180}
.modal.open{display:flex}
.modal__card{max-width:980px;width:100%;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.12);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.modal__head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.modal__body{padding:16px}
.modal__body img{width:100%;max-height:360px;object-fit:cover;border-radius:14px;margin-bottom:12px}
.close{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);border-radius:10px;padding:6px 10px;cursor:pointer}

/* ==== FEATURES / FORMS ==== */
.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:14px}
@media (max-width:900px){.features{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.features{grid-template-columns:1fr}}
.feature{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px dashed rgba(255,255,255,.12);border-radius:12px;background:rgba(255,255,255,.03)}
.tick{width:20px;height:20px;flex:0 0 20px;border-radius:6px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;color:#04101a;font-weight:900}

label{display:block;margin-bottom:6px;color:#d7e4f3;font-size:13px}
.input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:var(--text);outline:none}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(0,194,255,.18)}
.form__row{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}

/* ==== METERS ==== */
.meter{height:8px;background:rgba(255,255,255,.06);border-radius:20px;overflow:hidden;margin-top:10px;margin-bottom:6px}
.meter span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2))}

/* ==== FOOTER ==== */
.footer{border-top:1px solid rgba(255,255,255,.06);background:rgba(9,16,30,.7);backdrop-filter:blur(8px)}
.footer__inner{padding:26px 0;display:grid;grid-template-columns:1fr auto auto;gap:16px;align-items:center}
.footer__links{display:flex;gap:14px;flex-wrap:wrap}
.footer__copy{color:var(--muted)}
.backtop{justify-self:end;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);border-radius:999px;width:42px;height:42px;cursor:pointer}

/* ==== REVEAL ==== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity var(--speed) cubic-bezier(.2,.8,.2,1), transform var(--speed) cubic-bezier(.2,.8,.2,1)}
.reveal.show{opacity:1;transform:none}

/* ==== CARD TILT (hover) ==== */
.card--tilt:hover{transform:perspective(800px) rotateX(2deg) rotateY(-2deg)}

/* ==== SMALLER SCREENS ==== */
@media (max-width:600px){
  .brand__text{font-size:18px}
  .menu__link{font-size:14px}
  .hero h1{font-size:36px}
}