:root{
  --blue:#0a84ff;
  --blue2:#0057d9;
  --ink:#07111f;
  --muted:#607087;
  --bg:#f5f9ff;
  --white:#fff;
  --line:rgba(7,17,31,.09);
  --shadow:0 24px 70px rgba(26,83,155,.13);
  --radius:28px;
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:
  radial-gradient(circle at 10% 0%,rgba(10,132,255,.10),transparent 30%),
  radial-gradient(circle at 90% 20%,rgba(0,87,217,.08),transparent 28%),
  var(--bg);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.6;overflow-x:hidden
}
body:before{
  content:"";position:fixed;inset:0;pointer-events:none;opacity:.28;
  background-image:linear-gradient(rgba(10,132,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(10,132,255,.035) 1px,transparent 1px);
  background-size:45px 45px;mask-image:linear-gradient(to bottom,#000,transparent 80%);z-index:-1
}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.nav{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.76);
  backdrop-filter:blur(22px);border-bottom:1px solid rgba(7,17,31,.07)
}
.nav-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{width:112px;height:auto;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:600}
.nav-links a:not(.btn){color:#42516a;transition:.2s}
.nav-links a:not(.btn):hover{color:var(--blue)}
.menu{display:none;border:0;background:transparent;font-size:25px;cursor:pointer;color:var(--ink)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;
  border:1px solid var(--blue);border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--blue2));
  color:#fff;font-weight:750;box-shadow:0 12px 28px rgba(10,132,255,.24);transition:.25s
}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 35px rgba(10,132,255,.30)}
.btn.alt{background:rgba(255,255,255,.7);color:var(--blue);border-color:rgba(10,132,255,.2);box-shadow:none}
.hero{
  min-height:88vh;display:grid;place-items:center;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.94),rgba(239,247,255,.72))
}
.hero-content{position:relative;z-index:3;padding:100px 0 120px}
.eyebrow{text-transform:uppercase;letter-spacing:.20em;font-size:11px;color:var(--blue);font-weight:800}
h1{font-size:clamp(52px,8vw,104px);line-height:.94;letter-spacing:-.075em;margin:18px 0 24px}
h2{font-size:clamp(36px,5vw,66px);line-height:1;letter-spacing:-.055em;margin:0 0 18px}
h3{font-size:23px;line-height:1.15;margin:0 0 10px}
.lead{max-width:760px;margin:0 auto 34px;color:var(--muted);font-size:clamp(17px,2vw,21px)}
.buttons{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.hero-orb{
  position:absolute;width:520px;height:520px;border-radius:50%;right:-120px;top:10%;
  background:radial-gradient(circle at 35% 30%,#fff 0 10%,#76b9ff 26%,#0a84ff 52%,#004bb8 72%,transparent 73%);
  filter:blur(.2px);opacity:.24;transform:rotate(18deg);animation:orb 8s ease-in-out infinite
}
.hero-orb.two{width:350px;height:350px;left:-120px;bottom:-80px;top:auto;right:auto;opacity:.14;animation-delay:-3s}
.hero-3d{
  width:min(310px,60vw);height:min(310px,60vw);margin:55px auto 0;border-radius:50%;
  background:radial-gradient(circle at 30% 25%,#fff 0 7%,#9bd0ff 18%,#1b8cff 42%,#0050bd 70%,#002d70 100%);
  box-shadow:inset -35px -40px 75px rgba(0,25,80,.35),0 40px 90px rgba(0,91,190,.25);
  transform:perspective(900px) rotateX(10deg) rotateY(-18deg);animation:float3d 6s ease-in-out infinite
}
.hero-3d:after{content:"ELROAI";display:grid;place-items:center;height:100%;font-size:30px;font-weight:900;letter-spacing:.22em;color:white;text-shadow:0 5px 20px rgba(0,0,0,.28)}
.section{padding:115px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:35px;margin-bottom:38px}
.section-head p{max-width:560px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  position:relative;overflow:hidden;background:rgba(255,255,255,.78);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px;min-height:235px;box-shadow:0 10px 35px rgba(31,86,145,.06);
  transition:.35s
}
.card:before{content:"";position:absolute;width:130px;height:130px;right:-55px;top:-55px;border-radius:50%;background:rgba(10,132,255,.09)}
.card:hover{transform:translateY(-8px) rotateX(1deg);box-shadow:var(--shadow);border-color:rgba(10,132,255,.2)}
.card-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:18px;background:linear-gradient(145deg,#e9f4ff,#fff);color:var(--blue);font-weight:900;margin-bottom:24px;box-shadow:inset 0 0 0 1px rgba(10,132,255,.08)}
.product-visual{
  min-height:500px;border-radius:38px;display:grid;place-items:center;position:relative;overflow:hidden;
  background:radial-gradient(circle at 50% 35%,#e8f5ff,#b8ddff 28%,#4ba4ff 58%,#0754b7 100%);
  box-shadow:var(--shadow);transform-style:preserve-3d
}
.product-visual:before{content:"";position:absolute;width:80%;height:80%;border-radius:50%;border:1px solid rgba(255,255,255,.35);transform:rotateX(65deg) rotateZ(20deg)}
.powerbank{
  width:175px;height:315px;border-radius:32px;position:relative;z-index:2;
  background:linear-gradient(105deg,#07111f,#193553 45%,#0a84ff 80%,#dff2ff);
  box-shadow:-25px 30px 60px rgba(0,28,80,.45),inset 4px 2px 15px rgba(255,255,255,.2);
  transform:perspective(700px) rotateY(-18deg) rotateX(5deg)
}
.powerbank:before{content:"ELROAI";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-weight:900;letter-spacing:.2em;transform:rotate(90deg)}
.powerbank:after{content:"USB-C";position:absolute;bottom:20px;left:50%;transform:translateX(-50%);font-size:10px;color:#d9edff;letter-spacing:.15em}
.ceo{display:grid;grid-template-columns:270px 1fr;gap:60px;align-items:center}
.ceo-photo{
  width:280px;height:360px;border-radius:32px;display:grid;place-items:center;text-align:center;color:#64809d;
  background:linear-gradient(145deg,#e5f3ff,#fff);border:8px solid #fff;
  box-shadow:0 25px 60px rgba(10,132,255,.16),0 0 0 1px var(--line);
  overflow:hidden;padding:0
}
.ceo-photo img{
  width:100%;height:100%;object-fit:contain;object-position:center;
  background:linear-gradient(180deg,#dceeff,#f8fbff)
}
.page-hero{padding:120px 0 80px;text-align:center;background:linear-gradient(180deg,rgba(255,255,255,.82),transparent)}
.page-hero p{max-width:750px;margin:auto;color:var(--muted);font-size:19px}
.timeline{display:grid;gap:16px}
.timeline .card{min-height:auto;display:grid;grid-template-columns:120px 1fr;gap:25px}
.year{font-size:24px;font-weight:900;color:var(--blue)}
.form{max-width:780px;margin:auto;display:grid;gap:15px}
input,textarea,select{
  width:100%;padding:17px 18px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.9);
  font:inherit;color:var(--ink);outline:none;transition:.2s
}
input:focus,textarea:focus,select:focus{border-color:rgba(10,132,255,.5);box-shadow:0 0 0 4px rgba(10,132,255,.08)}
textarea{min-height:180px;resize:vertical}
.contact-card{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.footer{border-top:1px solid var(--line);padding:55px 0;background:rgba(255,255,255,.65)}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:30px}
.footer small,.muted{color:var(--muted)}
.reveal{opacity:0;transform:translateY(25px);transition:.75s ease}.reveal.show{opacity:1;transform:none}
@keyframes float3d{0%,100%{transform:perspective(900px) rotateX(10deg) rotateY(-18deg) translateY(0)}50%{transform:perspective(900px) rotateX(14deg) rotateY(15deg) translateY(-16px)}}
@keyframes orb{50%{transform:translate(-30px,20px) scale(1.08) rotate(30deg)}}
@media(max-width:850px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:74px;background:rgba(255,255,255,.98);padding:25px;flex-direction:column;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}.menu{display:block}.grid{grid-template-columns:1fr}.section{padding:80px 0}
  .section-head{display:block}.ceo{grid-template-columns:1fr;text-align:center;justify-items:center}.ceo-photo{width:min(280px,78vw);height:min(360px,100vw)}.contact-card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:500px){
  .container{width:min(var(--max),calc(100% - 26px))}.footer-grid{grid-template-columns:1fr}
  .hero{min-height:80vh}.hero-content{padding:80px 0}.hero-3d{margin-top:40px}
}