:root {
  --bg: #0b0d10;
  --bg-elev: #14181d;
  --bg-input: #0f1216;
  --fg: #eef1f4;
  --fg-muted: #98a2ad;
  --line: #262c33;
  --accent: #ff4d3d;
  --accent-fg: #ffffff;
  --accent-soft: rgba(255, 77, 61, 0.14);
  --ok: #3ddc97;
  --warn: #ffcc5c;
  --err: #ff6b6b;
  --radius: 12px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f7f5;
    --bg-elev: #ffffff;
    --bg-input: #ffffff;
    --fg: #14181d;
    --fg-muted: #5c6772;
    --line: #e2e5e9;
    --accent: #e0362a;
    --accent-soft: rgba(224, 54, 42, 0.1);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
a { color: inherit; }
.hidden { display: none !important; }

/* hero */
.hero {
  padding: 72px 0 56px;
  background:
    radial-gradient(900px 400px at 20% -10%, var(--accent-soft), transparent 60%),
    radial-gradient(700px 300px at 100% 10%, rgba(61, 220, 151, 0.08), transparent 60%);
  border-bottom: 1px solid var(--line);
}
.eyebrow { margin: 0 0 12px; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-muted); }
h1 { margin: 0; font-size: clamp(44px, 10vw, 96px); line-height: 0.95; letter-spacing: -0.03em; font-weight: 800; }
.domain .tld { color: var(--accent); }
.lede { max-width: 560px; margin: 20px 0 28px; font-size: 19px; color: var(--fg-muted); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.btn-primary, .btn-ghost {
  display: inline-block; padding: 14px 22px; border-radius: 10px; font-weight: 700; font-size: 16px;
  text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform 0.08s ease, opacity 0.15s;
}
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.6; cursor: progress; transform: none; }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line); }

/* cards */
.card { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; margin: 28px 0; }
.card h2 { margin: 0 0 6px; font-size: 24px; letter-spacing: -0.01em; }
.sub { margin: 0 0 18px; color: var(--fg-muted); }

/* options */
.opt {
  display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: start;
  padding: 16px; margin-top: 10px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer;
  background: var(--bg-input);
}
.opt:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.opt-fixed, .opt:not(label) { grid-template-columns: 1fr auto; cursor: default; }
.opt-fixed { border-color: var(--accent); }
.opt input[type="checkbox"] { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--accent); }
.opt-title { font-weight: 700; }
.opt-desc { color: var(--fg-muted); font-size: 14px; margin-top: 2px; }
.opt-price { text-align: right; white-space: nowrap; }
.opt-price b { display: block; font-size: 20px; }
.opt-price span { font-size: 12px; color: var(--fg-muted); }
.qty { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.qty-btn { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg-elev); color: var(--fg); font-size: 18px; cursor: pointer; }
.qty input { width: 64px; height: 36px; text-align: center; }
.qty-label { color: var(--fg-muted); font-size: 14px; }

/* summary */
.summary { margin: 14px 0 20px; }
.sum-box { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; background: var(--bg-input); }
.sum-row { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; }
.sum-row.muted { color: var(--fg-muted); font-size: 14px; }
.sum-total { font-size: 20px; font-weight: 800; border-top: 1px solid var(--line); margin-top: 8px; padding-top: 10px; }
.sum-renew { color: var(--fg-muted); font-size: 13px; margin-top: 8px; }

/* form */
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px 16px; margin: 0 0 16px; }
legend { padding: 0 6px; font-weight: 700; font-size: 14px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.06em; }
label { display: block; font-size: 13px; font-weight: 600; margin: 10px 0 4px; }
.req { color: var(--accent); }
input, select {
  width: 100%; height: 44px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg-input); color: var(--fg); font: inherit;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid3 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; }
.row-actions { display: grid; gap: 12px; }
.row-actions .btn-primary { width: 100%; font-size: 18px; padding: 16px; }
.note { margin: 0; font-size: 13px; color: var(--fg-muted); }

/* banners */
.banner { padding: 12px 14px; border-radius: 8px; margin: 10px 0 14px; font-size: 15px; border: 1px solid; }
.banner.err { border-color: var(--err); background: rgba(255, 107, 107, 0.1); }
.banner.warn { border-color: var(--warn); background: rgba(255, 204, 92, 0.1); }
.banner.info { border-color: var(--ok); background: rgba(61, 220, 151, 0.1); }

/* receipt */
#receipt { border: 1px solid var(--ok); border-radius: 10px; padding: 20px; background: rgba(61, 220, 151, 0.06); }
#receipt h3 { margin: 0 0 8px; }
#receipt table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 15px; }
#receipt td { padding: 4px 0; }
#receipt td:last-child { text-align: right; }

/* faq */
.faq dt { font-weight: 700; margin-top: 14px; }
.faq dd { margin: 4px 0 0; color: var(--fg-muted); }

footer { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 24px 16px 48px; color: var(--fg-muted); font-size: 14px; }

@media (max-width: 600px) {
  .hero { padding: 48px 0 40px; }
  .card { padding: 20px 16px; }
  .opt { grid-template-columns: auto 1fr; }
  .opt-fixed, .opt:not(label) { grid-template-columns: 1fr; }
  .opt-price { grid-column: 1 / -1; text-align: left; display: flex; gap: 8px; align-items: baseline; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
}

/* how to hold the domain */
.hold-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.hold-opts .opt { margin-top: 0; grid-template-columns: auto 1fr; }
@media (max-width: 600px) { .hold-opts { grid-template-columns: 1fr; } }

/* managed services block */
.services-head { margin: 22px 0 4px; font-weight: 700; }
#services.off, #options.off { opacity: 0.45; pointer-events: none; filter: grayscale(0.4); }
.sub-opts { margin: 6px 0 0 24px; padding-left: 16px; border-left: 2px solid var(--line); }
.sub-head { margin: 10px 0 0; font-size: 14px; color: var(--fg-muted); }
.sub-opt { padding: 12px 14px; }
.opt input[type="radio"] { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--accent); }
@media (max-width: 600px) { .sub-opts { margin-left: 8px; padding-left: 10px; } }

/* sold state */
#sold { border: 1px solid var(--warn); border-radius: 10px; padding: 20px; background: rgba(255, 204, 92, 0.1); }
#sold h3 { margin: 0 0 6px; }
#sold p { margin: 0; color: var(--fg-muted); }
.hero .sold-tag { display: inline-block; margin-left: 10px; padding: 4px 10px; border-radius: 999px; background: var(--warn); color: #1a1a1a; font-size: 13px; font-weight: 700; vertical-align: middle; letter-spacing: 0; text-transform: none; }

/* check another domain */
.check-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.check-row input { height: 50px; font-size: 18px; }
.check-row .btn-primary { height: 50px; padding: 0 26px; }
.check-res { margin-top: 14px; padding: 14px 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-input); display: flex; justify-content: space-between; gap: 14px; align-items: center; flex-wrap: wrap; }
.check-res.ok { border-color: var(--ok); }
.check-res.no { border-color: var(--warn); }
.check-res .big { font-size: 20px; font-weight: 800; }
.check-res .muted { color: var(--fg-muted); font-size: 14px; }
.custom-active #hold-opts { display: none; }
@media (max-width: 600px) { .check-row { grid-template-columns: 1fr; } }