:root{
    --bg:#070b18;
    --panel:#0b132a;
    --panel2:#0a1024;
    --text:#eaf0ff;
    --muted:#aab6d6;
    --line: rgba(255,255,255,.10);
    --blue:#2f6bff;
    --blue2:#1a49c7;
    --navy:#08102a;
    --shadow: 0 12px 40px rgba(0,0,0,.35);
    --radius:16px;
    --radius2:22px;
    --max:1100px;
  }
  
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 20% 10%, rgba(47,107,255,.18), transparent 55%),
              radial-gradient(900px 600px at 90% 20%, rgba(26,73,199,.16), transparent 60%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}
body.is-menu-open{
  overflow:hidden;
  position:fixed;
  width:100%;
}
  
  a{color:inherit;text-decoration:none}
  a:hover{opacity:.9}
  
  .skip{
    position:absolute; left:-999px; top:auto;
    width:1px; height:1px; overflow:hidden;
  }
  .skip:focus{
    left:16px; top:16px; width:auto; height:auto;
    padding:10px 12px; background:var(--panel); border:1px solid var(--line);
    border-radius:12px; z-index:9999;
  }
  
  .container{
    max-width:var(--max); 
    margin:0 auto; 
    padding:0 20px;
  }
  
.header{
  position:sticky; top:0; z-index:180;
  backdrop-filter: blur(14px);
  background: rgba(7,11,24,.60);
  border-bottom:1px solid var(--line);
}
  .header .container{
    padding:0 20px;
  }
  .nav{
    display:flex; 
    align-items:center; 
    justify-content:space-between;
    padding:16px 0;
    min-height:60px;
  }
  .logo{display:flex; align-items:center; gap:10px}
  .logo-mark{
    width:12px;height:12px;border-radius:4px;
    background: linear-gradient(135deg, var(--blue), var(--blue2));
    box-shadow: 0 0 0 6px rgba(47,107,255,.12);
  }
  .logo-text{font-weight:700; letter-spacing:.2px}
  
  .menu{display:flex; gap:18px; align-items:center}
  .menu a{color:var(--muted); font-size:14px}
  .menu a:hover{color:var(--text)}
  .btn{
    display:inline-flex; align-items:center; justify-content:center;
    padding:12px 16px;
    background: linear-gradient(135deg, var(--blue), var(--blue2));
    color:white;
    border-radius:14px;
    border:1px solid rgba(255,255,255,.10);
    box-shadow: 0 10px 30px rgba(47,107,255,.25);
    font-weight:600;
  }
  .btn-small{padding:10px 12px; font-size:14px}
  .btn-ghost{
    background: transparent;
    color: var(--text);
    border:1px solid var(--line);
    box-shadow:none;
  }
  .btn-ghost:hover{border-color: rgba(47,107,255,.35)}
  
  .hamburger{
    display:none; width:44px; height:40px;
    border:1px solid var(--line);
    border-radius:12px;
    background:transparent;
    padding:8px; cursor:pointer;
    position:relative;
    z-index:200;
  }
  .hamburger span{
    display:block; height:2px; background:var(--text);
    margin:6px 0; border-radius:2px;
  }
.mobile-layer{
  position:fixed;
  inset:0;
  z-index:900;
  pointer-events:none;
  display:none;
}
.is-menu-open .mobile-layer{
  display:block;
  pointer-events:auto;
}
.mobile-overlay{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(10px);
  opacity:0;
  transition: opacity .2s ease;
  pointer-events:none;
  z-index:1;
}
.mobile-overlay[hidden]{
  display:none !important;
}
.is-menu-open .mobile-overlay{
  opacity:1;
  pointer-events:auto;
}
.mobile-menu{
  position:fixed;
  top:0;
  left:0;
  right:0;
  bottom:0;
  height:100vh;
  padding:40px 16px 18px;
  gap:12px;
  background: linear-gradient(145deg, rgba(11,19,42,.9), rgba(7,11,24,.94));
  backdrop-filter: blur(22px) saturate(130%);
  border:1px solid rgba(255,255,255,.06);
  box-shadow: 0 18px 60px rgba(0,0,0,.45);
  z-index:2;
  overflow-y:auto;
  display:none;
  visibility:hidden;
  opacity:0;
  transform: translateY(-8px);
  transition: opacity .2s ease, transform .2s ease;
  justify-content:flex-start;
  align-items:stretch;
}
.mobile-menu[hidden]{
  display:none !important;
  visibility:hidden !important;
}
.mobile-menu.open,
body.is-menu-open .mobile-menu{
  display:flex !important;
  flex-direction:column;
  visibility:visible !important;
  opacity:1;
  transform: translateY(0);
  align-items:stretch;
}
.mobile-menu-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:6px 4px 12px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.menu-close{
  width:38px;
  height:38px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color:var(--text);
  font-size:22px;
  line-height:1;
  cursor:pointer;
}
.menu-close:hover{
  border-color: rgba(47,107,255,.45);
}
  .mobile-menu a{
    padding:14px 16px;
    border:1px solid var(--line);
    border-radius:14px;
    color:var(--text);
    font-size:16px;
    font-weight:500;
    background: rgba(11,19,42,.40);
  }
  .mobile-menu a:hover{
    color:var(--text);
    border-color: rgba(47,107,255,.50);
    background: rgba(11,19,42,.60);
  }
  
  .hero{
    padding:80px 0 20px;
    scroll-margin-top: 80px;
  }
  .hero-grid{
    display:grid;
    grid-template-columns: 1.25fr .9fr;
    gap:32px;
    align-items:stretch;
  }
  .eyebrow{
    display:inline-flex;
    padding:6px 10px;
    border:1px solid var(--line);
    border-radius:999px;
    color:var(--muted);
    font-size:13px;
    background: rgba(11,19,42,.45);
    margin:0 0 12px;
  }
  h1{font-size:44px; line-height:1.12; margin:0 0 12px}
  .lead{color:var(--muted); font-size:17px; margin:0 0 18px; max-width:56ch}
  .cta{
    display:flex; 
    gap:12px; 
    flex-wrap:wrap; 
    margin:24px 0 24px;
  }
  .badges{display:flex; gap:10px; flex-wrap:wrap}
  .badges span{
    padding:8px 10px;
    border-radius:999px;
    border:1px solid var(--line);
    background: rgba(10,16,36,.50);
    color:var(--muted);
    font-size:13px;
  }
  
  .hero-card{
    background: linear-gradient(180deg, rgba(11,19,42,.72), rgba(8,16,42,.55));
    border:1px solid var(--line);
    border-radius: var(--radius2);
    padding:18px;
    box-shadow: var(--shadow);
  }
  .stat{padding:10px 10px}
  .stat-title{color:var(--muted); font-size:12px; text-transform:uppercase; letter-spacing:.12em}
  .stat-value{font-weight:700; margin-top:6px}
  .divider{height:1px; background:var(--line); margin:10px 0}
  .muted{color:var(--muted)}
  
  .section{
    padding:48px 0;
    scroll-margin-top: 80px;
  }
  .section-alt{
    background: linear-gradient(180deg, transparent, rgba(11,19,42,.22), transparent);
    border-top:1px solid rgba(255,255,255,.06);
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .section-head{
    display:flex; 
    justify-content:space-between; 
    gap:20px; 
    align-items:flex-end; 
    margin-bottom:32px;
  }
  .section-head h2{margin:0; font-size:28px}
  .section-head p{margin:0; color:var(--muted); max-width:62ch}
  
  .grid-3{
    display:grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap:20px;
  }
  .grid-4{
    display:grid; 
    grid-template-columns: repeat(4, 1fr); 
    gap:20px;
  }
  
  .card{
    background: rgba(11,19,42,.55);
    border:1px solid var(--line);
    border-radius: var(--radius);
    padding:16px;
    box-shadow: 0 10px 28px rgba(0,0,0,.18);
  }
  .card h3{margin:0 0 8px; font-size:16px}
  .card p{margin:0; color:var(--muted); font-size:14px}
  
  .pill-grid{
    display:flex; 
    flex-wrap:wrap; 
    gap:12px;
  }
  .pill{
    padding:10px 12px;
    border-radius:999px;
    border:1px solid var(--line);
    background: rgba(10,16,36,.55);
    color:var(--muted);
    font-size:14px;
  }
  
  .tag{
    display:inline-flex;
    padding:5px 10px;
    border:1px solid rgba(47,107,255,.30);
    border-radius:999px;
    color:#cfe0ff;
    font-size:12px;
    background: rgba(47,107,255,.10);
    margin-bottom:10px;
  }
  
  .faq details{
    background: rgba(11,19,42,.50);
    border:1px solid var(--line);
    border-radius: var(--radius);
    padding:14px 14px;
    margin-bottom:10px;
  }
  .faq summary{
    cursor:pointer;
    font-weight:700;
  }
  .faq p{color:var(--muted); margin:10px 0 0}
  
  .contact{
    display:grid;
    grid-template-columns: 1.1fr .9fr;
    gap:24px;
    align-items:stretch;
  }
  .contact-actions{
    display:flex; 
    gap:12px; 
    flex-wrap:wrap; 
    margin-top:20px;
  }
  .contact-card{
    background: rgba(11,19,42,.55);
    border:1px solid var(--line);
    border-radius: var(--radius2);
    padding:18px;
    box-shadow: var(--shadow);
  }
  .signature{
    margin-top:14px;
    font-weight:800;
    letter-spacing:.02em;
    color:#dbe6ff;
  }
  
  .footer{
    padding:22px 0;
    border-top:1px solid var(--line);
    background: rgba(7,11,24,.65);
  }
  .footer-inner{
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--muted);
    font-size:14px;
    text-align:center;
  }
  
  /* Responsive */
  @media (min-width: 761px){
    .mobile-menu{
      display:none !important;
    }
  }
  
  /* Tablet and below */
  @media (max-width: 1024px){
    .container{
      padding:0 24px;
    }
    .header .container{
      padding:0 24px;
    }
    .hero-grid{
      gap:24px;
    }
  }
  
  /* Tablet */
  @media (max-width: 920px){
    .container{
      padding:0 20px;
    }
    .header .container{
      padding:0 20px;
    }
    .nav{
      padding:14px 0;
    }
    h1{
      font-size:38px;
      line-height:1.15;
    }
    .hero{
      padding:60px 0 24px;
      scroll-margin-top: 60px;
    }
    .hero-grid{
      grid-template-columns: 1fr;
      gap:24px;
    }
    .section{
      padding:40px 0;
    }
    .grid-4{
      grid-template-columns: repeat(2, 1fr);
      gap:16px;
    }
    .grid-3{
      grid-template-columns: repeat(2, 1fr);
      gap:16px;
    }
    .contact{
      grid-template-columns: 1fr;
      gap:20px;
    }
    .section-head{
      flex-direction:column;
      align-items:flex-start;
      gap:12px;
      margin-bottom:24px;
    }
    .section-head h2{
      font-size:26px;
    }
    .section-head p{
      max-width:100%;
    }
  }
  
  /* Mobile */
  @media (max-width: 760px){
    .container{
      padding:0 18px;
    }
    .header .container{
      padding:0 18px;
    }
    .nav{
      padding:12px 0;
      min-height:56px;
    }
    .menu{
      display:none;
    }
    .hamburger{
      display:inline-block;
    }
    .mobile-menu[hidden]{
      display:none !important;
      visibility:hidden !important;
    }
    .mobile-menu:not([hidden]){
      display:flex !important;
      visibility:visible !important;
    }
    .mobile-menu.open{
      display:flex !important;
      visibility:visible !important;
    }
    .mobile-menu{
      padding:40px 16px 18px;
      gap:12px;
    }
    h1{
      font-size:32px;
      line-height:1.2;
      margin:0 0 16px;
    }
    .hero{
      padding:50px 0 24px;
      scroll-margin-top: 50px;
    }
    .lead{
      font-size:16px;
      margin:0 0 20px;
    }
    .section{
      padding:32px 0;
    }
    .section-head{
      margin-bottom:20px;
    }
    .section-head h2{
      font-size:24px;
    }
    .btn{
      width:100%;
      padding:14px 18px;
    }
    .btn-small{
      padding:12px 16px;
    }
    .cta{
      flex-direction:column;
      gap:12px;
      margin:20px 0;
    }
    .grid-4{
      grid-template-columns: 1fr;
      gap:14px;
    }
    .grid-3{
      grid-template-columns: 1fr;
      gap:14px;
    }
    .card{
      padding:18px;
    }
    .card h3{
      font-size:17px;
      margin:0 0 10px;
    }
    .card p{
      font-size:15px;
    }
    .hero-card{
      padding:20px;
    }
    .contact{
      gap:18px;
    }
    .contact-actions{
      flex-direction:column;
      gap:12px;
    }
    .footer{
      padding:20px 0;
    }
    .footer-inner{
      justify-content:center;
      text-align:center;
    }
  }
  
  /* Small mobile */
  @media (max-width: 480px){
    .container{
      padding:0 16px;
    }
    .header .container{
      padding:0 16px;
    }
    h1{
      font-size:28px;
    }
    .hero{
      padding:44px 0 20px;
      scroll-margin-top: 44px;
    }
    .section{
      padding:28px 0;
    }
    .eyebrow{
      font-size:12px;
      padding:5px 9px;
    }
    .badges span{
      font-size:12px;
      padding:6px 9px;
    }
    .pill{
      font-size:13px;
      padding:8px 10px;
    }
  } 
/* Topics: pill + description (details/summary) */
.pill-grid-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.pill-item {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10,16,36,.55);
  padding: 6px;
}

.pill-item > p {
  margin: 10px 14px 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.pill-item summary.pill {
  list-style: none;
  cursor: pointer;
  user-select: none;
  display: block;
  width: 100%;
}

.pill-item summary.pill::-webkit-details-marker { display: none; }

.pill-item[open] {
  border-radius: 18px;
}

.pill-item[open] summary.pill {
  border-radius: 14px;
  border: 1px solid rgba(47,107,255,.30);
  background: rgba(47,107,255,.10);
  color: #cfe0ff;
}

/* Mobile */
@media (max-width: 760px){
  .pill-grid-details { grid-template-columns: 1fr; }
  .pill-item { border-radius: 18px; }
}
.faq details summary {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.faq details summary::after{
  content:"+";
  font-weight:800;
  color:#cfe0ff;
  opacity:.9;
}

.faq details[open] summary::after{
  content:"–";
}

/* Contact notes */
.contact-notes{
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11,19,42,.35);
}
.contact-notes h3{
  margin: 0 0 10px;
  font-size: 14px;
}
.contact-notes ul{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}
.contact-notes li{ margin: 6px 0; }