:root{
  --bg:#0b0f14; --muted:#11161d; --text:#e5eef7; --sub:#a8b2be; --accent:#00d1b2; --line:#1b2430;
  --card:#11161d; --card2:#0f141b; --btn:#18222e; --ghost:#0b0f14; --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu; background:var(--bg); color:var(--text)}
a{color:var(--accent); text-decoration:none}
a:hover{color:var(--text)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

.nav{position:sticky;top:0;background:rgba(11,15,20,.7);backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid var(--line);z-index:50}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-weight:700;letter-spacing:.2px}
.menu{display:flex;gap:20px}
.menu a{color:var(--sub);transition:color .2s}
.menu a:hover{color:var(--accent)}
.menu-btn{display:none;background:var(--btn);color:var(--text);border:1px solid var(--line);padding:6px 10px;border-radius:10px;cursor:pointer}

.hero{padding:96px 0 72px;background:radial-gradient(80% 80% at 50% 0%, rgba(0,209,178,.12), transparent 60%)}
.hero h1{font-size:44px;line-height:1.1;margin:0 0 8px}
.hero .tagline{font-size:20px;color:var(--accent);font-weight:600;margin:0 0 12px}
.accent{color:var(--accent)}
.hero p{color:var(--sub);margin:0 0 24px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 18px;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow);transition:all .2s}
.btn.primary{background:var(--accent);color:#06251f;border-color:transparent}
.btn.primary:hover{background:#00e6c3;transform:translateY(-2px)}
.btn.ghost{background:var(--ghost);color:var(--text)}
.btn.ghost:hover{background:var(--btn);transform:translateY(-2px)}

.panel{padding:56px 0;border-top:1px solid var(--line);background:linear-gradient(180deg, rgba(17,22,29,.25), transparent)}
.panel.alt{background:linear-gradient(180deg, rgba(11,15,20,.25), transparent)}
.panel h2{margin:0 0 24px;font-size:32px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.card h3{margin:0 0 6px}
.card ul{margin:8px 0}
.steps{padding-left:18px}

/* Collapsible summary styling for service offerings */
details.card{border-left:4px solid var(--accent);padding-left:20px;position:relative;margin-bottom:24px}
details.card summary{display:flex;flex-direction:column;align-items:flex-start;gap:12px;font-size:inherit;padding:0 48px 16px 0;cursor:pointer;list-style:none}
details.card summary::marker,details.card summary::-webkit-details-marker{display:none}
details.card summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:8px}
details.card .card-summary-header{display:flex;flex-direction:column;gap:4px}
details.card .card-summary-header h3{margin:0}
details.card .card-summary-subtitle{margin:0;color:var(--sub);font-weight:400}
details.card .card-preview{margin:0;padding-left:20px;color:var(--sub);font-size:16px;line-height:1.5}
details.card .card-preview li{margin-bottom:4px}
details.card .card-preview li:last-child{margin-bottom:0}
details.card .card-summary-cta{margin:4px 0 0;color:var(--accent);font-size:14px;font-weight:500;display:flex;align-items:center;gap:6px}
details.card .card-summary-cta::before{content:'\\2193';display:inline-block;font-size:16px;line-height:1}
details.card ul{margin:8px 0}

.footer{border-top:1px solid var(--line);padding:28px 0;color:var(--sub);text-align:center}

@media (max-width:900px){
  .grid-3{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .grid-3,.grid-2{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .hero .tagline{font-size:18px}
  .menu{display:none}
  .menu[data-state="open"]{display:flex;flex-direction:column;position:absolute;top:60px;right:10px;background:var(--muted);padding:10px;border-radius:12px;border:1px solid var(--line)}
  .menu-btn{display:inline-block}
}