:root {
  --ink: #15181c;
  --ink-2: #3a3f47;
  --paper: #f7f5f0;
  --paper-2: #ffffff;
  --line: #e2ded6;
  --hi: #f5c400;
  --hi-ink: #15181c;
  --ok: #1f7a4d;
  --bad: #b3261e;
  --max: 980px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #f3f1ec; --ink-2: #c9c5bc; --paper: #15181c; --paper-2: #1d2127; --line: #2c313a;
  }
}
:root[data-theme="dark"] { --ink: #f3f1ec; --ink-2: #c9c5bc; --paper: #15181c; --paper-2: #1d2127; --line: #2c313a; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.55; font-size: 17px; }
h1, h2, .brand, .amount { font-family: "Inter Tight", Inter, system-ui, sans-serif; letter-spacing: -0.01em; }
a { color: inherit; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; text-decoration: none; }
.mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 8px; background: var(--hi); color: var(--hi-ink); font-weight: 900; }
nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
nav a { text-decoration: none; font-weight: 500; color: var(--ink-2); font-size: 15px; }
nav a:hover { color: var(--ink); }

main { max-width: var(--max); margin: 0 auto; padding: 0 16px 48px; }
.hero { padding: 64px 0 40px; }
.kicker { margin: 0 0 10px; font-weight: 600; color: var(--ink-2); text-transform: uppercase; letter-spacing: .08em; font-size: 13px; }
h1 { font-size: clamp(42px, 8vw, 84px); line-height: 1; margin: 0 0 22px; font-weight: 800; }
.lead { font-size: clamp(18px, 2.2vw, 22px); max-width: 720px; margin: 0 0 28px; color: var(--ink-2); }
.cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.note { color: var(--ink-2); font-size: 15px; }

.btn { display: inline-block; background: var(--hi); color: var(--hi-ink); font-weight: 700; text-decoration: none; padding: 14px 22px; border-radius: 10px; border: 0; font-size: 17px; cursor: pointer; font-family: inherit; }
.btn:hover { filter: brightness(.96); }
.btn:disabled { opacity: .6; cursor: default; }
.btn.small { padding: 9px 14px; font-size: 14px; }

.band { padding: 44px 0; border-top: 1px solid var(--line); }
.band.alt { position: relative; }
.band.alt::before { content: ""; position: absolute; inset: 0 -100vw; background: var(--paper-2); z-index: -1; }
h2 { font-size: clamp(28px, 4vw, 40px); margin: 0 0 18px; font-weight: 800; }
.plain { max-width: 720px; color: var(--ink-2); margin: 10px 0; }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.steps li { background: var(--paper-2); border: 1px solid var(--line); border-radius: 14px; padding: 18px 18px 18px 56px; position: relative; color: var(--ink-2); }
.steps li strong { color: var(--ink); display: block; margin-bottom: 4px; font-size: 18px; }
.steps li::before { counter-increment: s; content: counter(s); position: absolute; left: 16px; top: 16px; width: 28px; height: 28px; border-radius: 8px; background: var(--hi); color: var(--hi-ink); font-weight: 800; display: grid; place-items: center; }

.price { display: flex; gap: 28px; align-items: flex-start; flex-wrap: wrap; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; max-width: 720px; }
.amount { font-size: 22px; font-weight: 700; color: var(--ink-2); min-width: 180px; }
.amount span { display: block; font-size: 64px; line-height: 1; color: var(--ink); font-weight: 800; }
.price ul { margin: 0; padding-left: 20px; color: var(--ink-2); }
.price li { margin: 4px 0; }

.signup form { display: grid; gap: 14px; max-width: 560px; margin-top: 8px; }
.toggle { display: flex; gap: 10px; flex-wrap: wrap; }
.toggle label { flex: 1 1 200px; display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); background: var(--paper-2); border-radius: 10px; padding: 12px 14px; font-weight: 600; cursor: pointer; }
.toggle label:has(input:checked) { border-color: var(--hi); box-shadow: inset 0 0 0 2px var(--hi); }
form label { display: grid; gap: 6px; font-weight: 600; font-size: 15px; }
form label.check { grid-template-columns: auto 1fr; align-items: center; font-weight: 500; }
input, select, textarea { font: inherit; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--paper-2); color: var(--ink); width: 100%; }
input[type=radio], input[type=checkbox] { width: auto; accent-color: var(--hi); }
.fine { font-size: 13px; color: var(--ink-2); margin: 0; }
.msg { font-weight: 600; min-height: 1.4em; margin: 0; }

footer { border-top: 1px solid var(--line); padding: 20px 16px 40px; text-align: center; color: var(--ink-2); font-size: 14px; }
@media (max-width: 640px) { nav a:not(.btn) { display: none; } .hero { padding-top: 40px; } }

.skills { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px; background: var(--paper-2); }
.skills legend { font-weight: 600; font-size: 15px; padding: 0 4px; }
.skills label { display: flex; align-items: center; gap: 8px; font-weight: 500; font-size: 15px; }

.mark svg { width: 70%; height: 70%; display: block; }
.mark { color: var(--hi-ink); }