:root{
  --bg:#07080d;
  --surface:#10121a;
  --surface-soft:#171a24;
  --surface-hover:#1d2130;
  --text:#f2f3f7;
  --muted:#a7adbb;
  --border:#292d3a;
  --purple:#765ac8;
  --pink:#b85e8b;
  --blue:#557fb7;
  --blue-light:#8fb3e6;
  --dark:#07080d;
  --radius:12px;
  --shadow:0 12px 34px rgba(0,0,0,.28);
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 10% 5%,rgba(118,90,200,.11),transparent 25%),
    radial-gradient(circle at 90% 10%,rgba(85,127,183,.10),transparent 24%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.75;
}
a{color:var(--blue-light);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{width:min(100% - 28px,var(--max));margin:auto}

.site-header{
  background:rgba(10,11,17,.94);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(12px);
}
.topbar{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{
  color:var(--text);
  font-weight:800;
  font-size:1.08rem;
  letter-spacing:.01em;
}
.brand:hover{text-decoration:none}
.brand span{color:#a98be8}

.main-nav{
  display:flex;
  align-items:center;
  gap:8px;
  overflow:auto;
  scrollbar-width:none;
}
.main-nav::-webkit-scrollbar{display:none}
.main-nav a{
  flex:none;
  color:#c1c5d0;
  padding:9px 13px;
  border-radius:8px;
  font-size:.9rem;
  font-weight:700;
}
.main-nav a:hover{
  text-decoration:none;
  color:#fff;
  background:var(--surface-hover);
}
.main-nav a.active{
  text-decoration:none;
  color:#fff;
  background:linear-gradient(135deg,var(--purple),var(--blue));
}

.hero{
  background:
    radial-gradient(circle at 12% 10%,rgba(118,90,200,.18),transparent 27%),
    radial-gradient(circle at 88% 20%,rgba(85,127,183,.15),transparent 26%),
    linear-gradient(180deg,#0c0e15 0%,#090a10 100%);
  border-bottom:1px solid var(--border);
}
.hero-inner{
  padding:58px 0;
  max-width:820px;
}
.eyebrow{
  display:inline-block;
  margin-bottom:10px;
  color:#bca9ee;
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
h1,h2,h3{line-height:1.3;color:var(--text)}
h1{
  margin:0 0 16px;
  font-size:clamp(2rem,6vw,3.55rem);
  letter-spacing:-.035em;
}
h2{
  margin:34px 0 12px;
  font-size:clamp(1.45rem,4vw,2rem);
  letter-spacing:-.018em;
}
h3{
  margin:26px 0 8px;
  font-size:1.17rem;
}
.hero p{
  color:var(--muted);
  font-size:1.02rem;
  margin:0 0 22px;
}

.btn-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 17px;
  border-radius:9px;
  font-weight:800;
  text-decoration:none!important;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--purple),var(--pink));
  box-shadow:0 10px 26px rgba(118,90,200,.20);
}
.btn-secondary{
  color:var(--text);
  background:var(--surface-soft);
  border:1px solid var(--border);
}
.btn-secondary:hover{background:var(--surface-hover)}

.path-tabs{
  background:#0b0d13;
  border-bottom:1px solid var(--border);
}
.tabs-inner{
  display:flex;
  gap:8px;
  overflow:auto;
  padding:12px 0;
  scrollbar-width:none;
}
.tabs-inner::-webkit-scrollbar{display:none}
.tab-link{
  flex:none;
  color:#c4c8d3;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:999px;
  padding:8px 14px;
  font-size:.88rem;
  font-weight:750;
}
.tab-link:hover{
  text-decoration:none;
  color:#fff;
  background:var(--surface-hover);
}
.tab-link.active{
  text-decoration:none;
  color:#fff;
  border-color:transparent;
  background:linear-gradient(135deg,var(--purple),var(--blue));
}

.site-main{padding:34px 0 56px}
.content-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 290px;
  gap:26px;
  align-items:start;
}
.content-card,.sidebar-card{
  background:linear-gradient(180deg,#11131c 0%,#0f1118 100%);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.content-card{padding:28px}
.sidebar{display:grid;gap:16px}
.sidebar-card{padding:18px}
.sidebar-card h3{margin:0 0 12px;font-size:1rem}
.sidebar-card p{color:var(--muted)}
.sidebar-card ul{margin:0;padding-left:18px}
.sidebar-card li+li{margin-top:7px}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-bottom:14px;
  color:var(--muted);
  font-size:.85rem;
}
.breadcrumb a{color:#b8cceb}
.post-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 16px;
  margin:-4px 0 22px;
  color:var(--muted);
  font-size:.85rem;
}
.lead{
  font-size:1.04rem;
  color:#d8dbe5;
}
.content-card p{color:#c6cad5}

.notice{
  margin:22px 0;
  padding:15px 16px;
  border-left:4px solid var(--purple);
  border-radius:8px;
  background:#191526;
  color:#d7cfeb;
}

.service-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:15px;
  margin:22px 0;
}
.service-card{
  padding:18px;
  border:1px solid var(--border);
  border-radius:10px;
  background:linear-gradient(180deg,#171a24,#131620);
}
.service-card h3{margin:0 0 7px}
.service-card p{margin:0;color:var(--muted)}

.toc{
  margin:24px 0;
  padding:17px 18px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#151822;
}
.toc strong{display:block;margin-bottom:8px}
.toc ol{margin:0;padding-left:20px}
.toc a{color:#a9c5ec}

.cta-box{
  margin:30px 0;
  padding:22px;
  border:1px solid rgba(142,116,217,.25);
  border-radius:12px;
  color:#fff;
  background:
    radial-gradient(circle at 100% 0%,rgba(255,255,255,.08),transparent 34%),
    linear-gradient(135deg,#403266,#304c70);
}
.cta-box h2,.cta-box h3{color:#fff;margin-top:0}
.cta-box p{color:#e1e5ee}
.cta-box .btn-secondary{
  color:#fff;
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.22);
}

.faq{margin-top:34px}
.faq details{
  border:1px solid var(--border);
  border-radius:10px;
  background:#12151e;
  overflow:hidden;
}
.faq details+details{margin-top:10px}
.faq summary{
  cursor:pointer;
  list-style:none;
  font-weight:800;
  color:var(--text);
  padding:15px 44px 15px 16px;
  position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";
  position:absolute;
  right:16px;
  top:50%;
  transform:translateY(-50%);
  color:#b89eea;
  font-size:1.1rem;
}
.faq details[open] summary{
  background:#171a25;
}
.faq details[open] summary::after{content:"–"}
.faq-answer{
  padding:0 16px 16px;
  color:var(--muted);
}
.faq-answer p{margin:0;color:var(--muted)}

.footer{
  background:#05060a;
  color:#a7adbb;
  padding:34px 0 90px;
  border-top:1px solid var(--border);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:24px;
}
.footer strong{color:#fff}
.footer p{margin:0}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px 16px;
}
.footer a{color:#d8dbea}

.mobile-cta{display:none}

@media(max-width:860px){
  .topbar{
    align-items:flex-start;
    flex-direction:column;
    padding:14px 0 12px;
  }
  .main-nav{width:100%}
  .content-layout{grid-template-columns:1fr}
  .sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:640px){
  .container{width:min(100% - 20px,var(--max))}
  .hero-inner{padding:40px 0}
  .site-main{padding-top:20px}
  .content-card{padding:20px}
  .service-grid,.sidebar,.footer-grid{grid-template-columns:1fr}
  .btn-row{display:grid;grid-template-columns:1fr}
  .btn{width:100%}
  .footer{padding-bottom:100px}
  .mobile-cta{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:8px;
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:60;
    padding:9px 10px calc(9px + env(safe-area-inset-bottom));
    background:rgba(7,8,13,.96);
    border-top:1px solid rgba(255,255,255,.08);
    backdrop-filter:blur(12px);
  }
  .mobile-cta a{
    min-height:44px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:9px;
    color:#fff;
    font-size:.81rem;
    font-weight:850;
    text-align:center;
  }
  .mobile-cta .royal{background:linear-gradient(135deg,var(--purple),var(--pink))}
  .mobile-cta .higgs{background:linear-gradient(135deg,var(--blue),var(--purple))}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important}
}