:root { --blue: #0049ad; --pink: #fd62be; --bg: #f5f7fc; --panel: #fff; --ink: #14213d; --muted: #5f6b85; --line: #e1e6f0; --band: #eaf0fb; }
@media (prefers-color-scheme: dark) { :root { --blue: #5b8ff0; --pink: #ff7cc8; --bg: #10141d; --panel: #181e2a; --ink: #e6e9ef; --muted: #98a2b3; --line: #2a3242; --band: #141a26; } }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 64px; }
body { margin: 0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--blue); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 48px 20px; }
.wrap.narrow { max-width: 760px; }
h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.15; margin: 0 0 16px; }
h1 span { color: var(--blue); }
h2 { font-size: 28px; margin: 0 0 16px; }
h3 { font-size: 18px; margin: 0 0 6px; color: var(--blue); }
.muted { color: var(--muted); } .small { font-size: 13px; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 20px; background: var(--panel); flex-wrap: wrap; }
.top::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--blue) 0 55%, var(--pink) 55% 100%); }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.brand img { height: 32px; } .brand b { color: var(--blue); font-size: 20px; font-weight: 800; }
nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
nav a { color: var(--ink); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--blue); }

.btn { display: inline-block; padding: 10px 18px; border-radius: 8px; background: var(--blue); color: #fff !important; text-decoration: none; font-weight: 600; border: 1px solid var(--blue); cursor: pointer; font-size: 15px; }
.btn.ghost { background: transparent; color: var(--blue) !important; }
.btn:disabled { opacity: .6; cursor: wait; }

.hero { background: linear-gradient(160deg, var(--band), var(--bg)); }
.hero .wrap { padding-top: 72px; padding-bottom: 72px; }
.lead { font-size: 18px; max-width: 760px; color: var(--muted); }
.cta .btn { margin: 6px 8px 0 0; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.card p { margin: 0; }
.band { background: var(--band); }
.steps { padding-left: 22px; } .steps li { margin: 0 0 12px; }

.price .amount { font-size: 36px; font-weight: 800; margin: 6px 0 10px; }
.price .amount small { font-size: 15px; font-weight: 400; color: var(--muted); }
.price ul { margin: 0; padding-left: 18px; }
.price.best { border: 2px solid var(--blue); }
.sub-head { margin: 28px 0 12px; font-size: 18px; }

form label { display: block; font-size: 14px; font-weight: 600; margin: 0 0 12px; flex: 1; }
form input, form select, form textarea { display: block; width: 100%; margin-top: 4px; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); font: inherit; font-weight: 400; }
form .row { display: flex; gap: 12px; }
@media (max-width: 640px) {
  form .row { flex-direction: column; gap: 0; } .wrap { padding: 36px 16px; }
  .top { flex-wrap: nowrap; padding: 8px 16px; } nav a:not(.btn) { display: none; } nav .btn { padding: 6px 12px; }
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
#formMsg.ok { color: #1a7f37; } #formMsg.err { color: #c62828; }

footer { border-top: 1px solid var(--line); background: var(--panel); }
footer .wrap { padding: 20px; }
footer p { margin: 4px 0; }