:root{
  --bg:#06090c;
  --bg2:#07191a;
  --panel:#0b1115;
  --panel2:#0e181c;
  --text:#f4f7f7;
  --muted:#9aa8ad;
  --mint:#48e2d6;
  --mint2:#87f4c5;
  --line:rgba(255,255,255,.09);
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",
    "PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  background:
    radial-gradient(circle at 20% 12%, rgba(72,226,214,.12), transparent 30%),
    radial-gradient(circle at 90% 70%, rgba(72,226,214,.09), transparent 32%),
    var(--bg);
}
a{color:inherit;text-decoration:none}
button{font:inherit}

.site-header{
  height:72px;
  position:sticky;top:0;z-index:30;
  border-bottom:1px solid var(--line);
  background:rgba(6,9,12,.78);
  backdrop-filter:blur(18px);
}
.nav{
  height:100%;max-width:var(--max);margin:auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:760;font-size:20px;letter-spacing:.02em}
.brand-mark{
  width:34px;height:34px;border-radius:10px;position:relative;overflow:hidden;
  background:linear-gradient(145deg,#50e6db,#85f3c5 58%,#1cbcb5);
  box-shadow:0 0 28px rgba(72,226,214,.26);
}
.brand-mark:before,.brand-mark:after{
  content:"";position:absolute;background:#062025;border-radius:8px;transform:rotate(45deg)
}
.brand-mark:before{width:11px;height:25px;left:9px;top:5px}
.brand-mark:after{width:8px;height:18px;right:6px;bottom:5px;opacity:.65}
.nav-links{display:flex;gap:30px;color:#b8c2c6;font-size:15px}
.nav-links a{position:relative;padding:25px 0;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a.active:after{
  content:"";position:absolute;left:50%;bottom:14px;width:20px;height:2px;
  transform:translateX(-50%);background:var(--mint);border-radius:2px
}

.page{display:none}
.page.active{display:block}
.hero{
  min-height:calc(100vh - 72px);
  max-width:var(--max);margin:auto;padding:86px 24px 64px;
  display:grid;grid-template-columns:.9fr 1.25fr;gap:72px;align-items:center;
}
.hero-copy{max-width:520px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-weight:650;font-size:14px}
.eyebrow:before{content:"";width:24px;height:1px;background:var(--mint)}
h1{font-size:64px;line-height:1.05;margin:20px 0 24px;letter-spacing:-.045em}
.grad{background:linear-gradient(90deg,#fff 5%,#71efe3 52%,#8bf2bf);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:19px;line-height:1.9;color:#b9c3c6;margin:0 0 34px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  min-width:142px;height:48px;padding:0 22px;border-radius:14px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s
}
.btn.primary{background:var(--mint);color:#062225;font-weight:750;border-color:transparent}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(72,226,214,.18)}
.btn.ghost:hover{border-color:rgba(72,226,214,.55);color:var(--mint)}
.hero-art{position:relative}
.hero-art:before{
  content:"";position:absolute;inset:10% 8%;filter:blur(55px);
  background:rgba(72,226,214,.16);border-radius:50%
}
.hero-art img{
  position:relative;width:100%;display:block;border-radius:26px;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 30px 80px rgba(0,0,0,.45)
}
.section{max-width:var(--max);margin:auto;padding:96px 24px}
.section-head{max-width:760px;margin-bottom:42px}
.section-head h2{font-size:42px;margin:10px 0 14px;letter-spacing:-.035em}
.section-head p{color:var(--muted);font-size:17px;line-height:1.85;margin:0}
.showcase{
  border:1px solid var(--line);border-radius:28px;overflow:hidden;background:var(--panel);
  box-shadow:0 24px 70px rgba(0,0,0,.22)
}
.showcase img{width:100%;display:block}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{
  background:linear-gradient(180deg,rgba(16,25,29,.94),rgba(9,14,17,.94));
  border:1px solid var(--line);border-radius:22px;padding:28px;min-height:182px
}
.step .num{font-size:13px;color:var(--mint);font-weight:700}
.step h3{margin:20px 0 9px;font-size:21px}
.step p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}

.about-wrap{max-width:980px;margin:auto;padding:105px 24px 120px}
.about-title{font-size:54px;margin:0 0 24px}
.about-card{
  border:1px solid var(--line);border-radius:28px;padding:42px;
  background:linear-gradient(145deg,rgba(14,24,28,.95),rgba(6,11,14,.96));
  box-shadow:0 22px 70px rgba(0,0,0,.22)
}
.about-card h2{font-size:26px;margin:0 0 16px}
.about-card p{color:#b2bdc0;line-height:1.95;font-size:16px}
.about-section + .about-section{margin-top:30px}
.contact-email{margin-bottom:0;overflow-wrap:anywhere}
.about-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}
.about-point{border:1px solid var(--line);border-radius:18px;padding:20px;background:rgba(255,255,255,.018)}
.about-point strong{display:block;margin-bottom:7px}
.about-point span{color:var(--muted);font-size:14px;line-height:1.6}

footer{border-top:1px solid var(--line);color:#738085;font-size:13px}
.footer-inner{
  max-width:var(--max);margin:auto;padding:26px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap
}
.footer-nav{display:flex;gap:20px}
.footer-nav a:hover{color:#c6d1d4}

.reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
.reveal.on{opacity:1;transform:none}

@media (max-width:900px){
  h1{font-size:48px}
  .hero{grid-template-columns:1fr;gap:42px;padding-top:64px}
  .hero-copy{max-width:680px}
  .steps{grid-template-columns:1fr}
  .about-points{grid-template-columns:1fr}
}
@media (max-width:560px){
  .site-header{height:64px}
  .nav{padding:0 18px}
  .nav-links{gap:18px}
  .nav-links a{padding:22px 0}
  h1{font-size:40px}
  .hero{padding:52px 18px 44px}
  .section{padding:72px 18px}
  .section-head h2{font-size:34px}
  .about-wrap{padding:72px 18px}
  .about-title{font-size:40px}
  .about-card{padding:26px}
}