:root {
  --bg: #0d0f14; --panel: #161a22; --fg: #eef0f4; --muted: #9aa0ab; --line: #2a303b;
  --accent: #ff5a1f; --accent-fg: #fff; --ok: #3ccf91; --bad: #ff6b6b;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f6f7f9; --panel: #ffffff; --fg: #12151b; --muted: #5d6370; --line: #dde1e7; --bad: #d63b3b; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font); line-height: 1.55; }
.bar, .hero, .foot { max-width: 1080px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.bar { padding-top: 20px; padding-bottom: 20px; }
.brand { font-weight: 800; letter-spacing: .02em; }
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; padding-top: 40px; padding-bottom: 64px; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .1em; font-size: 13px; font-weight: 700; margin: 0 0 12px; }
h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.08; margin: 0 0 18px; letter-spacing: -.02em; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checks li { padding-left: 32px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: var(--accent-fg); font-size: 13px; font-weight: 700; display: grid; place-items: center; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 28px; box-shadow: 0 20px 50px rgba(0,0,0,.18); }
.card h2 { margin: 0 0 6px; font-size: 24px; }
.muted { color: var(--muted); margin: 0 0 20px; }
form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
input { width: 100%; padding: 12px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); font: inherit; font-weight: 400; }
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
input[aria-invalid] { border-color: var(--bad); }
.err { color: var(--bad); font-size: 13px; font-weight: 400; min-height: 0; }
.err:empty { display: none; }
.form-err { margin: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
button { margin-top: 6px; padding: 14px 18px; border-radius: 8px; border: 0; background: var(--accent); color: var(--accent-fg); font: inherit; font-size: 17px; font-weight: 700; cursor: pointer; }
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .7; cursor: wait; }
.fine { color: var(--muted); font-size: 12px; margin: 0; text-align: center; }
#thanks-view h2 { color: var(--ok); }
.foot { color: var(--muted); font-size: 13px; padding-top: 24px; padding-bottom: 32px; border-top: 1px solid var(--line); }
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; gap: 32px; padding-top: 16px; }
  .card { padding: 22px; }
}