/* ===========================================================
   Domain sale contact form
   Design concept: a "domain deed" certificate paired with a
   clean inquiry form. Ledger typography, stamped badge,
   perforated divider between the two panels.
   =========================================================== */

:root {
  --bg: #eceff3;
  --bg-alt: #ffffff;
  --card: #ffffff;
  --ink: #12161c;
  --ink-soft: #5b6270;
  --ink-faint: #8a90a0;
  --line: #d3d8e0;
  --line-soft: #e4e7ec;
  --accent: #b5402f;      /* stamp red */
  --accent-ink: #ffffff;
  --accent-2: #146356;    /* deep teal, links / focus */
  --focus: #146356;
  --shadow: 0 20px 50px -25px rgba(18, 22, 28, 0.35);
  --radius: 14px;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  --bg: #0d1015;
  --bg-alt: #12161c;
  --card: #151a21;
  --ink: #e9ebef;
  --ink-soft: #a2a9b8;
  --ink-faint: #666e7f;
  --line: #262c36;
  --line-soft: #1c212a;
  --accent: #e2664f;
  --accent-ink: #14100f;
  --accent-2: #4bb69b;
  --focus: #4bb69b;
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

a { color: var(--accent-2); }

.stage {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 60px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.brand-mark {
  color: var(--accent);
  font-size: 12px;
}

.controls {
  display: flex;
  gap: 10px;
}

.switch {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, transform .15s ease;
}

.switch:hover { border-color: var(--accent-2); color: var(--ink); }
.switch:active { transform: scale(0.97); }
.switch:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.switch-opt { padding: 0 1px; }
.switch-opt.active { color: var(--ink); font-weight: 600; }
.switch-div { color: var(--ink-faint); }

.icon-switch { padding: 7px; }
.icon-switch .icon-moon { display: none; }
[data-theme="dark"] .icon-switch .icon-sun { display: none; }
[data-theme="dark"] .icon-switch .icon-moon { display: block; }

/* ---------- Layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  flex: 1;
}

/* ---------- Certificate panel ---------- */

.certificate {
  position: relative;
  background:
    radial-gradient(circle at 1px 1px, var(--line-soft) 1px, transparent 0) 0 0/22px 22px,
    var(--bg-alt);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cert-inner { position: relative; z-index: 1; }

.cert-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 18px;
}

.cert-domain-row { margin-bottom: 22px; }

.cert-domain {
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  margin: 0;
  word-break: break-word;
  letter-spacing: -0.01em;
}

.stamp {
  display: inline-block;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 6px;
  transform: rotate(-4deg);
  margin-bottom: 34px;
  position: relative;
}

.stamp::before {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid var(--accent);
  border-radius: 3px;
  opacity: .5;
}

.ledger {
  margin: 0 0 28px;
  border-top: 1px solid var(--line);
}

.ledger-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}

.ledger-row dt {
  font-family: var(--mono);
  color: var(--ink-faint);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .08em;
  padding-top: 2px;
}

.ledger-row dd {
  margin: 0;
  text-align: right;
  color: var(--ink);
  font-weight: 500;
}

.ledger-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-2);
  display: inline-block;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-2) 20%, transparent);
}

.cert-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 40ch;
  margin: 0;
}

.cert-edge {
  display: none;
}

/* ---------- Form panel ---------- */

.form-panel {
  background: var(--card);
  padding: 48px 44px;
  border-left: 1px dashed var(--line);
  display: flex;
  align-items: center;
}

.form-inner { width: 100%; }

.form-title {
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 800;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.form-sub {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.6;
  margin: 0 0 28px;
  max-width: 46ch;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.field { margin-bottom: 18px; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 7px;
  letter-spacing: .01em;
}

label em {
  font-style: normal;
  font-weight: 400;
  color: var(--ink-faint);
}

input, textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 11px 13px;
  font-family: var(--sans);
  font-size: 14.5px;
  color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}

[data-theme="dark"] input, [data-theme="dark"] textarea { background: var(--bg); }

input::placeholder, textarea::placeholder { color: var(--ink-faint); }

input:focus, textarea:focus {
  outline: none;
  border-color: var(--focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 18%, transparent);
}

textarea { resize: vertical; min-height: 100px; }

.field.invalid input, .field.invalid textarea {
  border-color: var(--accent);
}

.err {
  display: none;
  color: var(--accent);
  font-size: 12px;
  margin-top: 6px;
}

.field.invalid .err { display: block; }

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--ink);
  color: var(--bg-alt);
  border: none;
  border-radius: 9px;
  padding: 13px 22px;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 6px;
  transition: transform .15s ease, opacity .15s ease;
}

[data-theme="dark"] .submit-btn { background: var(--accent-2); color: #08120f; }

.submit-btn:hover { transform: translateY(-1px); }
.submit-btn:active { transform: translateY(0); }
.submit-btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.submit-btn:disabled { opacity: .6; cursor: default; transform: none; }

.submit-btn svg { transition: transform .2s ease; }
.submit-btn:hover svg { transform: translateX(2px); }

.privacy-note {
  font-size: 12px;
  color: var(--ink-faint);
  margin: 14px 0 0;
  line-height: 1.5;
}

.form-status {
  margin-top: 14px;
  font-size: 13.5px;
  font-weight: 500;
  min-height: 18px;
}

.form-status.success { color: var(--accent-2); }
.form-status.error { color: var(--accent); }

/* ---------- Footer ---------- */

.page-footer {
  text-align: center;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--ink-faint);
  margin-top: 24px;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .certificate {
    padding: 36px 28px;
    border-bottom: 1px dashed var(--line);
  }
  .form-panel {
    padding: 36px 28px;
    border-left: none;
  }
  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 520px) {
  .stage { padding: 18px 14px 40px; }
  .topbar { margin-bottom: 24px; }
  .brand-text { display: none; }
  .cert-domain { font-size: 26px; }
  .certificate, .form-panel { padding: 28px 20px; }
}