:root{
  --blue:#0d8ef2;
  --blue2:#62b7ff;
  --navy:#071525;
  --navy2:#17324c;
  --white:#ffffff;
  --line:rgba(255,255,255,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:#071525;color:#fff}
a{text-decoration:none;color:inherit}
.container{width:min(1280px,calc(100% - 40px));margin:0 auto}

.topbar{
  position:relative;
  z-index:3;
  background:linear-gradient(90deg,rgba(7,21,37,.96) 0%,rgba(19,42,64,.92) 55%,rgba(36,73,101,.92) 100%);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar-inner{height:92px;display:flex;align-items:center}
.logo{display:inline-flex;flex-direction:column;line-height:.88;letter-spacing:.18em;color:var(--blue);font-weight:300}
.logo-main{font-size:34px}
.logo-sub{font-size:8px;letter-spacing:.38em;align-self:center;margin-top:4px}

.hero{
  position:relative;
  min-height:calc(100vh - 92px);
  background-color:#071525;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,22,38,.78) 0%,rgba(8,28,48,.55) 38%,rgba(8,28,48,.28) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  padding:54px 0 68px;
  display:flex;align-items:flex-start;justify-content:flex-start;
}
.hero-card{
  width:min(900px,100%);
  padding:26px;
  border:1px solid rgba(173,215,255,.35);
  border-radius:28px;
  background:linear-gradient(180deg,rgba(18,33,51,.78),rgba(18,33,51,.70));
  backdrop-filter:blur(8px);
  box-shadow:0 20px 60px rgba(0,0,0,.26);
}
.hero-copy{padding:4px 6px 18px}
.hero-copy h1{
  margin:0;
  font-size:clamp(14px,3.6vw,28px);
  line-height:1.02;
  letter-spacing:-.035em;
  max-width:760px;
}
.lead{
  margin:14px 0 0;
  color:#d9e8f7;
  font-size:19px;
  max-width:690px;
}
.calculator-shell{
  width:100%;
  border-radius:22px;
  overflow:hidden;
  background:rgba(255,255,255,.08);
  border:1px solid var(--line);
}
#laser-frame{display:block;width:100%;height:940px;border:0;background:transparent}

@media (max-width:900px){
  .topbar-inner{height:78px}
  .hero{min-height:calc(100vh - 78px);background-position:60% center}
  .hero-inner{padding:26px 0 34px}
  .hero-card{padding:18px;border-radius:22px}
  .hero-copy h1{font-size:38px}
  .lead{font-size:16px}
  #laser-frame{height:1050px}
}
@media (max-width:560px){
  .container{width:min(100% - 20px,1280px)}
  .logo-main{font-size:27px}
  .hero-inner{padding:16px 0 26px}
  .hero-card{padding:14px;border-radius:18px}
  .hero-copy{padding:4px 4px 14px}
  .hero-copy h1{font-size:32px}
  .lead{font-size:15px;line-height:1.45}
  #laser-frame{height:1150px}
}

.sublead{margin:12px 0 24px;color:#eef3f7;font-size:17px;max-width:680px}
.calc-link{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 22px;border:2px solid var(--blue);border-radius:5px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.02em;transition:.18s ease}
.calc-link:hover{background:var(--blue);color:#fff}