:root {
  --bg: #ffffff;
  --text: #111217;
  --muted: #686c75;
  --line: #e8eaee;
  --soft: #f5f6f8;
  --dark: #101114;
  --dark-2: #181a1f;
  --accent: #ff9f0a;
  --accent-2: #ffb238;
  --danger: #d92d20;
  --ok: #12805c;
  --radius: 24px;
  --radius-sm: 14px;
  --shadow: 0 18px 55px rgba(17, 18, 23, 0.08);
  --container: 1240px;
  font-family: Manrope, Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.45;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.section-pad { padding: 88px 0; }
.skip-link { position: absolute; left: -999px; top: 12px; z-index: 20; background: var(--dark); color: #fff; padding: 10px 14px; border-radius: 10px; }
.skip-link:focus { left: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 9px;
  border: 1px solid transparent;
  font-weight: 750;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #111; box-shadow: 0 14px 30px rgba(255, 159, 10, .24); }
.btn-outline { border-color: #cfd3da; background: #fff; color: var(--text); }
.btn-danger { background: #fff4f2; color: var(--danger); border-color: #ffd5ce; }
.eyebrow { margin: 0 0 16px; color: var(--accent); text-transform: uppercase; letter-spacing: .06em; font-weight: 800; font-size: .82rem; }
.section-head { max-width: 760px; }
.section-head h2, .section-line h2 { margin: 0; font-size: clamp(2rem, 3.2vw, 3.7rem); line-height: .98; letter-spacing: -.055em; }
.section-head p:not(.eyebrow), .section-line p:not(.eyebrow) { color: var(--muted); font-size: 1.08rem; }
.panel-dark {
  color: #fff;
  background:
    radial-gradient(circle at 92% 82%, rgba(255, 159, 10, .22), transparent 26%),
    linear-gradient(135deg, #111216, #17191d 58%, #101114);
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: var(--shadow);
}
.dark-head p:not(.eyebrow) { color: rgba(255,255,255,.68); }
.alert { border-radius: 14px; padding: 14px 16px; margin: 0 0 18px; }
.alert-ok { color: var(--ok); background: #edfff8; border: 1px solid #b9f0db; }
.alert-error { color: var(--danger); background: #fff4f2; border: 1px solid #ffd5ce; }
code { background: #f0f2f5; border-radius: 8px; padding: 3px 6px; word-break: break-all; }
@media (max-width: 820px) {
  .container { width: min(100% - 28px, var(--container)); }
  .section-pad { padding: 64px 0; }
  .btn { width: 100%; }
}
/* v1.4.0: remove native arrows from number inputs */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
.link-button { border: 0; background: transparent; color: inherit; font: inherit; cursor: pointer; padding: 0; }
.modal-open { overflow: hidden; }
