:root{
  --bg:#040404;
  --bg2:#0a0a0c;
  --panel:#101013;
  --panel2:#141419;
  --line:rgba(255,255,255,.08);
  --line2:rgba(255,255,255,.12);
  --text:#f5f5f7;
  --muted:#c7c7cd;
  --soft:#9797a1;
  --silver1:#ffffff;
  --silver2:#d3d3d9;
  --silver3:#96969d;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --radius:24px;
  --container:min(1240px, calc(100% - 34px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Arial,Helvetica,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(255,255,255,.06), transparent 18%),
    radial-gradient(circle at 88% 2%, rgba(255,255,255,.05), transparent 20%),
    linear-gradient(180deg,#030303 0%,#090909 100%);
}
a{color:inherit}
img{max-width:100%}
.page-bg{position:fixed;inset:0;pointer-events:none;z-index:-1}
.container{width:var(--container);margin:0 auto}
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(4,4,4,.76);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:86px}
.brand-logo{height:80px;width:auto;display:block;filter:drop-shadow(0 10px 24px rgba(255,255,255,.08))}
.nav{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--muted);font-size:.96rem;transition:.25s}
.nav a:hover,.nav a.active{color:#fff}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:1.6rem}
main{min-height:70vh}
.hero{padding:48px 0 70px;display:flex;align-items:center;min-height:88vh}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:36px;align-items:center}
.kicker,.section-tag{
  display:inline-block;
  text-transform:uppercase;
  letter-spacing:.22em;
  font-size:.78rem;
  color:var(--silver2);
  margin-bottom:14px;
}
h1,h2,h3{margin:0 0 14px}
h1{font-size:clamp(2.7rem,5vw,5.2rem);line-height:1.02;letter-spacing:-.03em}
h2{font-size:clamp(1.9rem,3.2vw,3.1rem);line-height:1.08;letter-spacing:-.02em}
h3{font-size:1.14rem}
p{margin:0 0 16px;color:var(--muted);line-height:1.8}
.lead{font-size:1.08rem;max-width:740px}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;text-decoration:none;
  padding:14px 24px;border-radius:999px;font-weight:600;border:1px solid var(--line);transition:.25s
}
.btn-primary{background:linear-gradient(135deg,var(--silver1),var(--silver3));color:#090909;border:none}
.btn-secondary{background:rgba(255,255,255,.02);color:#fff}
.btn:hover{transform:translateY(-1px)}
.metrics{display:flex;gap:16px;flex-wrap:wrap}
.metric{
  min-width:160px;padding:18px;border-radius:18px;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
}
.metric strong{display:block;margin-bottom:6px}
.panel,.card,.glass,.region,.contact-form,.feature-box,.stat-card{
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
}
.product-stage{
  position:relative;min-height:560px;border-radius:30px;overflow:hidden;
  border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015)),#09090b;
  display:flex;align-items:center;justify-content:center;padding:22px;
}
.product-box{width:min(94%,860px);object-fit:contain;filter:drop-shadow(0 30px 80px rgba(0,0,0,.55))}
.hero-logo-anim{
  position:absolute;right:24px;bottom:24px;width:min(36%,220px);opacity:.9;
  border-radius:18px;background:rgba(255,255,255,.02);padding:8px;border:1px solid rgba(255,255,255,.06)
}
.section{padding:88px 0}
.dark{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01));border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.section-head{max-width:860px;margin-bottom:30px}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.card,.feature-box,.stat-card,.region{padding:24px}
.icon{
  width:58px;height:58px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;
  border:1px solid var(--line2);background:linear-gradient(135deg,rgba(255,255,255,.25),rgba(255,255,255,.05))
}
.badge{
  display:inline-flex;padding:7px 11px;border-radius:999px;font-size:.78rem;
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:var(--muted)
}
.placeholder{
  height:220px;border-radius:18px;border:1px solid rgba(255,255,255,.08);margin-bottom:18px;background-color:#0b0c0f
}
.opg{background:
  radial-gradient(circle at 50% 50%, rgba(255,255,255,.14), transparent 26%),
  linear-gradient(90deg, transparent 0 8%, rgba(255,255,255,.05) 8% 12%, transparent 12% 88%, rgba(255,255,255,.05) 88% 92%, transparent 92% 100%),
  linear-gradient(180deg, #121318, #090a0d)}
.ceph{background:
  linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px) 0 0/36px 36px,
  linear-gradient(180deg, rgba(255,255,255,.04) 1px, transparent 1px) 0 0/36px 36px,
  radial-gradient(circle at 62% 42%, rgba(255,255,255,.12), transparent 23%),
  linear-gradient(180deg, #121318, #090a0d)}
.ct3d{background:
  radial-gradient(circle at 35% 40%, rgba(255,255,255,.14), transparent 18%),
  radial-gradient(circle at 65% 62%, rgba(255,255,255,.11), transparent 18%),
  linear-gradient(135deg, rgba(255,255,255,.05) 25%, transparent 25%) 0 0/40px 40px,
  linear-gradient(180deg, #121318, #090a0d)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.contact-form{padding:24px;display:grid;gap:14px}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;padding:14px 16px;border-radius:16px;border:1px solid rgba(255,255,255,.12);
  background:#0b0b0e;color:#fff;font:inherit
}
.footer{padding:30px 0 46px;border-top:1px solid rgba(255,255,255,.05)}
.footer-inner{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}
.footer-logo{height:72px;width:auto}
.small{font-size:.94rem;color:var(--soft)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.case-hero,.subhero{
  padding:46px 0 28px;
}
.breadcrumb{font-size:.88rem;color:var(--soft);margin-bottom:10px}
.table-like{
  display:grid;gap:14px
}
.table-row{
  display:grid;grid-template-columns:1.2fr .9fr .9fr .8fr;gap:12px;align-items:center;
  padding:16px 18px;border-radius:18px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02))
}
.quote{
  padding:22px;border-left:3px solid rgba(255,255,255,.28);background:rgba(255,255,255,.03);border-radius:0 18px 18px 0
}
@media (max-width:1100px){
  .hero-grid,.grid-2,.contact-grid{grid-template-columns:1fr}
  .grid-5{grid-template-columns:repeat(2,1fr)}
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;top:86px;left:18px;right:18px;flex-direction:column;align-items:flex-start;padding:16px;border-radius:18px;background:rgba(12,12,14,.96);border:1px solid rgba(255,255,255,.08)}
  .nav.open{display:flex}
  .hero{min-height:auto}
  .product-stage{min-height:420px}
  .brand-logo{height:62px}
  .hero-logo-anim{width:min(44%,180px)}
  .grid-5,.grid-4,.grid-3,.contact-grid{grid-template-columns:1fr}
  .table-row{grid-template-columns:1fr}
}


/* --- Advanced platform additions --- */
.portal-hero,.app-section{padding:72px 0}
.app-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.app-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.app-card{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.09);
  border-radius:24px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);
  padding:24px;
}
.viewer-stage{
  min-height:480px;position:relative;overflow:hidden;border-radius:28px;
  background:
    radial-gradient(circle at 18% 18%, rgba(255,255,255,.08), transparent 22%),
    radial-gradient(circle at 82% 10%, rgba(255,255,255,.06), transparent 20%),
    linear-gradient(180deg,#0a0a0d,#121218);
  border:1px solid rgba(255,255,255,.08);
}
.aligner-shell{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(82%,620px);height:320px;transform-style:preserve-3d;
  transition:transform .25s ease;
}
.aligner-layer{
  position:absolute;inset:0;border-radius:48% 48% 44% 44% / 44% 44% 56% 56%;
  border:2px solid rgba(255,255,255,.35);
  background:linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,.03));
  box-shadow:0 0 30px rgba(255,255,255,.05) inset, 0 20px 60px rgba(0,0,0,.35);
  backdrop-filter: blur(2px);
}
.aligner-layer.layer2{transform:translateZ(-18px) scale(.96);opacity:.75}
.aligner-layer.layer3{transform:translateZ(-34px) scale(.92);opacity:.52}
.viewer-controls{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.viewer-controls input[type=range]{width:180px}
.badge-pill{
  display:inline-flex;padding:7px 11px;border-radius:999px;
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);font-size:.82rem
}
.dashboard{
  display:grid;grid-template-columns:1.1fr .9fr;gap:18px
}
.dashboard-panel{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:20px
}
.chart-box{
  height:150px;border-radius:18px;border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.01));
  position:relative;overflow:hidden
}
.chart-box svg{position:absolute;inset:16px}
.upload-drop{
  border:2px dashed rgba(255,255,255,.18);border-radius:22px;padding:28px;text-align:center;
  background:rgba(255,255,255,.025)
}
.upload-list{margin-top:14px;font-size:.95rem;color:#c8c8cf}
.smile-preview{
  min-height:360px;border-radius:24px;border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg,#0e0e12,#15151b);padding:18px;position:relative;overflow:hidden
}
.smile-face{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column
}
.smile-mouth{
  width:64%;height:110px;border-radius:0 0 160px 160px;border:5px solid rgba(255,255,255,.26);border-top:none;position:relative;
  transition:all .35s ease;
}
.smile-teeth{
  position:absolute;left:50%;top:54%;transform:translate(-50%,-50%);
  width:52%;display:grid;grid-template-columns:repeat(8,1fr);gap:6px
}
.smile-tooth{
  height:38px;border-radius:10px;background:linear-gradient(180deg,#fff,#dcdce2);opacity:.9;
  transform-origin:center bottom;transition:transform .35s ease, opacity .35s ease;
}
.verify-wrap{max-width:900px;margin:auto}
.verify-inputs{display:grid;grid-template-columns:1fr auto;gap:12px}
.verify-inputs input{
  padding:14px 16px;border-radius:16px;border:1px solid rgba(255,255,255,.12);
  background:#0b0b0e;color:#fff;font:inherit
}
.btn-dark{
  background:rgba(255,255,255,.04);color:#fff;border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:14px 18px;cursor:pointer
}
.invoice-result{margin-top:18px}
.invoice-result .app-card a{color:#fff;text-decoration:none}
code.inline-tag{
  background:rgba(255,255,255,.08);padding:2px 8px;border-radius:999px
}
@media (max-width: 980px){
  .app-grid-2,.dashboard{grid-template-columns:1fr}
  .app-grid-3{grid-template-columns:1fr}
  .verify-inputs{grid-template-columns:1fr}
}