:root{
  --bg:#07090d;
  --bg-soft:#0b1118;
  --panel:#0f1720;
  --panel-2:#121c27;
  --text:#f7fbff;
  --muted:#9aa8b7;
  --line:rgba(255,255,255,.09);
  --accent:#24a7ff;
  --accent-2:#54e6ff;
  --accent-3:#86ffcf;
  --shadow:0 20px 70px rgba(0,0,0,.35);
  --radius:26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 80% 10%,rgba(36,167,255,.10),transparent 34%),
    radial-gradient(circle at 10% 45%,rgba(84,230,255,.06),transparent 28%),
    var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}

.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,9,13,.76);
  backdrop-filter:blur(20px) saturate(145%);
  border-bottom:1px solid var(--line);
}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.03em}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 0 30px rgba(36,167,255,.28);
  position:relative;
}
.brand-mark:after{
  content:"";position:absolute;inset:8px;border-radius:8px;border:2px solid rgba(4,15,22,.7);
}
.brand span{color:var(--accent-2)}
.nav nav{display:flex;align-items:center;gap:28px;color:#c4cfda;font-size:.96rem}
.nav nav a{position:relative}
.nav nav a:after{
  content:"";position:absolute;left:0;right:100%;bottom:-8px;height:1px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:.25s;
}
.nav nav a:hover:after{right:0}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 20px;border-radius:999px;
  border:1px solid var(--line);font-weight:800;transition:.2s;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  border:0;color:#04131b;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 10px 30px rgba(36,167,255,.20);
}
.btn-secondary{background:rgba(255,255,255,.025)}
.btn-ghost{background:transparent}

.hero{padding:118px 0 88px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.76rem;letter-spacing:.2em;font-weight:900;color:var(--accent-2);
  margin-bottom:22px;
}
.eyebrow:before{content:"";width:30px;height:1px;background:var(--accent-2)}
h1,h2,h3{margin-top:0}
h1{
  margin-bottom:24px;font-size:clamp(3.25rem,7.2vw,7rem);
  line-height:.91;letter-spacing:-.065em;max-width:760px;
}
.hero h2{
  font-size:clamp(1.35rem,2.2vw,2rem);line-height:1.2;letter-spacing:-.025em;
  color:#d7e5ef;max-width:760px;margin-bottom:20px;font-weight:650;
}
.hero p{max-width:720px;font-size:1.1rem;color:var(--muted)}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}

.hero-visual{
  min-height:520px;border:1px solid var(--line);border-radius:34px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015)),
    radial-gradient(circle at 72% 24%,rgba(84,230,255,.32),transparent 20%),
    radial-gradient(circle at 58% 48%,rgba(36,167,255,.24),transparent 28%),
    #0b1118;
  position:relative;overflow:hidden;box-shadow:var(--shadow)
}
.hero-visual:before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent);
}
.light-ring{
  position:absolute;border-radius:50%;border:1px solid rgba(84,230,255,.35);
  box-shadow:0 0 60px rgba(36,167,255,.12) inset,0 0 70px rgba(36,167,255,.10);
}
.light-ring.one{width:300px;height:300px;right:56px;top:72px}
.light-ring.two{width:210px;height:210px;right:100px;top:116px}
.light-core{
  position:absolute;right:152px;top:170px;width:105px;height:105px;border-radius:50%;
  background:radial-gradient(circle,#dfffff 0 8%,var(--accent-2) 18%,var(--accent) 45%,rgba(36,167,255,.05) 72%);
  filter:blur(.1px);box-shadow:0 0 85px rgba(84,230,255,.85)
}
.hero-label{
  position:absolute;left:28px;bottom:28px;right:28px;padding:18px 20px;
  border:1px solid var(--line);border-radius:18px;background:rgba(7,9,13,.68);backdrop-filter:blur(10px)
}
.hero-label strong{display:block;font-size:1.02rem;margin-bottom:3px}
.hero-label span{color:var(--muted);font-size:.92rem}

.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.015)}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.trust-item{padding:22px 0;display:flex;justify-content:center;gap:12px;color:#d9e4ec;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}
.trust-item b{color:var(--accent-2)}

.section{padding:104px 0}
.section-tight{padding:72px 0}
.section-dark{background:linear-gradient(180deg,#0b1118,#0a0f15);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-kicker{color:var(--accent-2);font-size:.76rem;font-weight:900;letter-spacing:.18em;text-transform:uppercase;margin-bottom:15px}
.section-head{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;margin-bottom:42px}
.section-head h2,.split h2{font-size:clamp(2.2rem,4.7vw,4.7rem);line-height:1;letter-spacing:-.05em;margin-bottom:0}
.section-head p{max-width:520px;color:var(--muted)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  position:relative;min-height:230px;padding:28px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.02));
  overflow:hidden;transition:.25s;
}
.card:hover{transform:translateY(-4px);border-color:rgba(84,230,255,.24)}
.card:after{
  content:"";position:absolute;inset:auto -50px -80px auto;width:160px;height:160px;border-radius:50%;
  background:radial-gradient(circle,rgba(36,167,255,.18),transparent 68%)
}
.card-index{font-size:.72rem;letter-spacing:.14em;color:var(--accent-2);font-weight:900}
.card h3{font-size:1.35rem;margin:20px 0 10px}
.card p{color:var(--muted);margin:0}

.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.copy p{color:var(--muted);font-size:1.08rem}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.metric{
  min-height:135px;padding:24px;border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(180deg,rgba(84,230,255,.05),rgba(255,255,255,.02));
  display:flex;align-items:flex-end;font-size:1.05rem;font-weight:800
}
.metric:before{content:"↗";align-self:flex-start;margin-right:auto;color:var(--accent-2)}

.lighting-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.light-type{
  border:1px solid var(--line);border-radius:18px;padding:20px;
  background:rgba(255,255,255,.02);color:#dce8ef;font-weight:700
}
.light-type small{display:block;margin-bottom:12px;color:var(--accent-2);font-weight:900}

.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.industry{
  min-height:270px;padding:28px;border-radius:var(--radius);border:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(5,12,18,.05),rgba(5,12,18,.82)),
    radial-gradient(circle at 85% 10%,rgba(36,167,255,.18),transparent 33%),
    var(--panel);
  display:flex;flex-direction:column;justify-content:flex-end
}
.industry h3{font-size:1.45rem;margin-bottom:10px}
.industry p{color:var(--muted);margin:0}

.modern-card{
  border:1px solid var(--line);border-radius:32px;padding:44px;
  background:linear-gradient(135deg,rgba(36,167,255,.08),rgba(84,230,255,.035));
}
.compare{display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:center;margin-top:30px}
.compare-box{padding:24px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.025)}
.compare-box strong{display:block;font-size:1.15rem;margin-bottom:8px}
.compare-box span{color:var(--muted)}
.compare-arrow{font-size:2rem;color:var(--accent-2)}

.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.tags span{padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.025);color:#c7d3dc}

.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.step{padding:24px 18px;border-top:1px solid var(--line)}
.step b{display:block;color:var(--accent-2);font-size:1.5rem;margin-bottom:14px}
.step span{font-weight:800}

.cta{
  padding:76px 0;background:
    radial-gradient(circle at 76% 20%,rgba(84,230,255,.16),transparent 30%),
    linear-gradient(180deg,#0b1118,#080b10);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)
}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta h2{font-size:clamp(2rem,4.2vw,4rem);line-height:1;letter-spacing:-.045em;margin-bottom:12px}
.cta p{color:var(--muted);margin:0;max-width:680px}

.contact-grid{display:grid;grid-template-columns:1fr .85fr;gap:40px}
.contact-card{padding:30px;border:1px solid var(--line);border-radius:24px;background:var(--panel)}
.contact-line{padding:16px 0;border-bottom:1px solid var(--line)}
.contact-line:last-child{border-bottom:0}
.contact-line small{display:block;color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px}
.contact-line strong{font-size:1.05rem}

.footer{padding:58px 0;background:#05070a;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:40px}
.footer p,.footer a{color:var(--muted)}
.footer-links{display:grid;gap:8px}
.footer-bottom{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:#7e8a96;font-size:.88rem}

@media(max-width:980px){
  .nav nav{display:none}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .hero-visual{min-height:380px}
  .cards,.industry-grid{grid-template-columns:repeat(2,1fr)}
  .lighting-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .container{width:min(100% - 28px,1180px)}
  .site-header .btn{display:none}
  .nav{min-height:68px}
  .hero{padding:76px 0 54px}
  h1{font-size:clamp(3rem,16vw,4.7rem)}
  .hero-visual{min-height:320px}
  .hero-label{left:18px;right:18px;bottom:18px}
  .trust-grid{grid-template-columns:1fr}
  .trust-item{justify-content:flex-start;border-right:0;border-bottom:1px solid var(--line)}
  .trust-item:last-child{border-bottom:0}
  .section{padding:74px 0}
  .section-head{display:block}
  .section-head p{margin-top:16px}
  .cards,.industry-grid,.lighting-grid,.metric-grid,.steps,.footer-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .compare-arrow{transform:rotate(90deg);text-align:center}
  .cta-box{display:block}
  .cta-box .btn{margin-top:22px}
  .footer-bottom{display:block}
}