/* CASA Networks - Premium Full Site Styles (Clean Rebuild)
   - Single header/nav (no duplicate link rows)
   - Spacious layout + premium padding
   - Mobile hamburger via <details>
*/

:root{
  --bg:#ffffff;
  --fg:#0b1220;
  --muted:#4b5563;
  --brand:#0B5FFF;
  --brand2:#00b3ff;
  --soft:#f4f6fb;
  --border:#e5e7eb;
  --max:1180px;
  --radius:20px;
  --shadow:0 18px 45px rgba(2,6,23,.10);
  --shadow2:0 10px 26px rgba(2,6,23,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--fg);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%; height:auto; display:block}
a{color:inherit; text-decoration:none}
a:hover{text-decoration:none}

.container{max-width:var(--max); margin:0 auto; padding:0 30px}
@media (max-width:520px){ .container{padding:0 18px} }

/* Skip link: visible only when focused */
.skip-link{
  position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:16px; top:16px; width:auto; height:auto;
  padding:10px 14px; background:#fff; border:1px solid var(--border);
  border-radius:14px; box-shadow:var(--shadow2); z-index:9999;
}

/* Header */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid rgba(229,231,235,.9);
}
.nav{
  display:flex; align-items:center; justify-content:space-between; gap:18px;
  padding:22px 0;
}
.brand{
  display:flex; align-items:center; gap:16px;
  min-width:260px;
}
.brand img{height:82px; width:auto}
.brand .name{display:flex; flex-direction:column; line-height:1.1}
.brand .name strong{font-size:18px; letter-spacing:.2px}
.brand .name span{font-size:13px; color:var(--muted); font-weight:900}

.navlinks{display:flex; gap:18px; align-items:center}
.navlinks a{
  font-weight:950; color:#111827;
  padding:12px 12px; border-radius:14px; line-height:1;
  display:inline-flex; align-items:center;
}
.navlinks a:hover{background:var(--soft)}
.navlinks a[aria-current="page"]{background:rgba(11,95,255,.10); color:#0b3fbf}

.navcta{display:flex; gap:12px; align-items:center}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 18px;
  border-radius:16px;
  font-weight:950;
  border:1px solid transparent;
  transition:filter .12s ease, transform .12s ease;
  white-space:nowrap;
}
.btn.primary{background:var(--brand); color:#fff; box-shadow:0 14px 32px rgba(11,95,255,.22)}
.btn.secondary{background:#fff; color:#111827; border-color:var(--border); box-shadow:var(--shadow2)}
.btn:hover{filter:brightness(.98); transform:translateY(-1px)}
.btn:active{transform:translateY(0)}

/* Mobile menu */
.mobileNav{display:none; width:100%}
.mobileNav summary{
  list-style:none; cursor:pointer;
  border:1px solid var(--border); background:#fff;
  border-radius:16px; padding:12px 14px;
  font-weight:950; box-shadow:var(--shadow2);
}
.mobileNav summary::-webkit-details-marker{display:none}
.mobilePanel{
  margin-top:12px; border-top:1px solid rgba(229,231,235,.9); padding-top:14px;
}
.mobilePanel a{
  display:block; padding:14px 14px; border-radius:16px;
  font-weight:950;
}
.mobilePanel a:hover{background:var(--soft)}
.mobileCtas{display:grid; gap:12px; margin-top:14px}
.mobileCtas .btn{width:100%}

@media (max-width: 980px){
  .navlinks, .navcta{display:none}
  .mobileNav{display:block}
  .brand img{height:68px}
}

/* Hero */
.hero{
  position:relative; color:#fff; overflow:hidden;
  background:
    radial-gradient(900px 360px at 18% 15%, rgba(0,179,255,.35), transparent 62%),
    radial-gradient(900px 440px at 82% 25%, rgba(11,95,255,.35), transparent 64%),
    linear-gradient(180deg, #070b14 0%, #0b1220 100%);
}
.hero:before{
  content:""; position:absolute; inset:-40px -40px 0 -40px;
  background-image:url("assets/logo.png");
  background-repeat:no-repeat;
  background-position: 115% -10%;
  background-size: 680px auto;
  opacity:.06; pointer-events:none; transform:rotate(-7deg);
}
.hero .wrap{padding:118px 0 84px; position:relative}
@media (max-width:520px){ .hero .wrap{padding:88px 0 66px} }

.badge{
  display:inline-flex; align-items:center;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  padding:8px 14px; border-radius:999px;
  font-weight:950; font-size:13px;
}
.grid2{display:grid; grid-template-columns:1.18fr .82fr; gap:44px; align-items:start}
@media (max-width:920px){ .grid2{grid-template-columns:1fr} }

h1{font-size:52px; line-height:1.06; margin:14px 0 20px; letter-spacing:-.4px}
@media (max-width:520px){ h1{font-size:36px} }
.lead{font-size:18px; color:rgba(255,255,255,.88); margin:0 0 24px; max-width:64ch; line-height:1.75}

.ctas{display:flex; flex-wrap:wrap; gap:14px; margin:22px 0 14px}
@media (max-width:520px){ .ctas .btn{width:100%} }

.pillRow{display:flex; gap:12px; flex-wrap:wrap; margin-top:18px}
.pillRow span{
  font-weight:950; color:rgba(255,255,255,.86);
  padding:10px 12px; border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
}

.heroCard{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:0 18px 46px rgba(0,0,0,.22);
}
.heroCard h3{margin:0 0 10px; font-size:18px}
.heroCard p{margin:0; color:rgba(255,255,255,.84)}

/* Sections */
.section{padding:104px 0}
.section.alt{background:var(--soft); padding:104px 0}
.section h2{font-size:34px; margin:0 0 14px; letter-spacing:-.35px}
.section p{color:#374151; margin:0 0 16px; max-width:80ch; line-height:1.78}

.cards{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:26px}
@media (max-width:980px){ .cards{grid-template-columns:1fr} }

.box{
  background:#fff;
  border:1px solid rgba(229,231,235,.95);
  border-radius:22px;
  padding:28px;
  box-shadow:var(--shadow2);
}
.box h3{margin:0 0 10px; font-size:20px}
.box p{margin:0; color:#374151; line-height:1.75}

.split{display:grid; grid-template-columns:1.05fr .95fr; gap:44px; align-items:start}
@media (max-width:980px){ .split{grid-template-columns:1fr} }

/* Forms */
form label{display:block; font-weight:900; margin:14px 0 8px}
input, select, textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius:16px;
  padding:14px 14px;
  font-size:15px;
  outline:none;
  background:#fff;
}
textarea{min-height:130px; resize:vertical}
input:focus, select:focus, textarea:focus{
  border-color:rgba(11,95,255,.55);
  box-shadow:0 0 0 5px rgba(11,95,255,.12);
}
.help{color:var(--muted); font-size:13px; margin-top:10px}

/* Footer */
footer{border-top:1px solid rgba(229,231,235,.9); padding:34px 0; background:#fff}
.footmuted{color:var(--muted); font-size:14px}

/* 4-up card grid (Simple process) */
.cards.four{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.cards.four{grid-template-columns:1fr}}