:root{
  --bg:#FAFBFD; --surface:#FFFFFF; --surface-alt:#F2F6FC;
  --ink:#0E1626; --ink-2:#1A2230; --muted:#4A5365; --dim:#8993A3;
  --line:#E6EBF1; --line-soft:#F0F3F8;
  --blue:#1E7BFF; --blue-dark:#0F4FBF; --green:#10A363; --orange:#E85A2B;
  --font:"DM Sans",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}
.nav{position:sticky;top:0;z-index:20;background:color-mix(in oklab,var(--bg) 90%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav .inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink)}
.brand .mark{width:30px;height:30px;border-radius:8px;background:url("/assets/schooldesk-icon.png") center/cover no-repeat}
.links{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--muted);font-weight:500}
.links a:hover{color:var(--ink);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:10px;font-weight:700;border:1px solid var(--line);background:var(--surface)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.hero{padding:78px 0 54px;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.11em;text-transform:uppercase;color:var(--blue-dark);font-weight:600}
h1{font-size:48px;line-height:1.05;margin:18px 0 18px;max-width:840px}
.lead{font-size:20px;color:var(--muted);max-width:760px;margin:0 0 28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.proof{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:42px}
.proof div{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px}
.proof b{display:block;font-size:15px;color:var(--ink)}
.proof span{display:block;font-size:13.5px;color:var(--muted);margin-top:4px}
section{padding:64px 0}
section.alt{background:var(--surface-alt)}
h2{font-size:32px;line-height:1.15;margin:0 0 16px}
h3{font-size:19px;margin:0 0 8px;color:var(--ink-2)}
p{color:var(--muted);margin:0 0 14px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px}
.list{display:grid;gap:14px;max-width:840px}
.item{display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:start}
.check{width:22px;height:22px;border-radius:50%;background:#E3F6EC;color:var(--green);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.compare{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface)}
.row{display:grid;grid-template-columns:1.2fr 1fr 1fr;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.row > div{padding:14px 16px;color:var(--muted);font-size:14px}
.row.head > div{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);background:var(--line-soft)}
.yes{color:var(--green);font-weight:700}
.no{color:var(--orange);font-weight:700}
.cta{background:var(--ink);color:#fff}
.cta p{color:#D9E1EA}
.cta .btn{border-color:#fff;background:#fff;color:var(--ink)}
.footer{border-top:1px solid var(--line);background:#fff;padding:34px 0;color:var(--dim);font-family:var(--mono);font-size:12px}
.footer .inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer nav{display:flex;gap:16px;flex-wrap:wrap}
@media (max-width:820px){
  .links{display:none}
  .hero{padding-top:54px}
  h1{font-size:38px}
  .lead{font-size:18px}
  .proof,.grid,.split{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .row > div{border-bottom:1px solid var(--line)}
  .row > div:last-child{border-bottom:0}
}