/* Contact form (contact.js renders it into [data-contact-form] in the #contact section of index.html). */
.cf {
  --cf-surface: var(--surface, #161616);
  --cf-field: var(--surface-elevated, #1c1c1f);
  --cf-border: var(--border, #2a2a2a);
  --cf-border-bright: var(--border-bright, #3a3a3a);
  --cf-text: var(--text, #e4e4e7);
  --cf-text-2: var(--text-secondary, #a1a1aa);
  --cf-muted: var(--text-muted, #71717a);
  --cf-accent: var(--accent, #cd1719);
  --cf-accent-hover: var(--accent-hover, #e01d1f);
  --cf-danger: #f87171;
  background: var(--cf-surface);
  border: 1px solid var(--cf-border);
  border-radius: 16px;
  padding: 28px;
  text-align: left;
  color: var(--cf-text);
  line-height: 1.6;
}
.cf form { display: grid; gap: 20px; }
.cf .cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.cf .cf-field { display: grid; gap: 6px; min-width: 0; }
.cf label { font-size: 13px; font-weight: 600; color: var(--cf-text-2); }
.cf input, .cf select, .cf textarea {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 15px; color: var(--cf-text);
  background: var(--cf-field); border: 1px solid var(--cf-border-bright); border-radius: 10px;
  transition: border-color 0.2s;
}
.cf input::placeholder, .cf textarea::placeholder { color: var(--cf-muted); }
.cf input:focus, .cf select:focus, .cf textarea:focus { outline: none; border-color: var(--cf-accent); }
.cf textarea { min-height: 160px; resize: vertical; }
.cf select {
  appearance: none; padding-right: 36px; background-repeat: no-repeat; background-size: 5px 5px;
  background-image: linear-gradient(45deg, transparent 50%, var(--cf-muted) 50%), linear-gradient(135deg, var(--cf-muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%;
}
.cf [aria-invalid="true"] { border-color: var(--cf-danger); }
.cf .cf-error { font-size: 13px; color: var(--cf-danger); }
.cf .cf-error:empty { display: none; }
.cf .cf-hint { font-size: 12px; color: var(--cf-muted); display: flex; justify-content: space-between; gap: 12px; }
.cf .cf-check { background: var(--cf-field); border: 1px dashed var(--cf-border-bright); border-radius: 10px; padding: 14px; display: grid; gap: 8px; }
.cf .cf-question { font-size: 15px; color: var(--cf-text); }
.cf .cf-inline { display: flex; gap: 10px; align-items: center; }
.cf .cf-check input { max-width: 160px; }
.cf .cf-link { background: none; border: none; color: var(--cf-text-2); font: inherit; font-size: 13px; text-decoration: underline; cursor: pointer; padding: 4px; }
.cf .cf-hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.cf .cf-submit {
  display: block; width: 100%; padding: 14px 0; border: none; border-radius: 10px; font: inherit;
  font-size: 15px; font-weight: 700; color: #fff; background: var(--cf-accent); cursor: pointer; transition: background 0.2s, opacity 0.2s;
}
.cf .cf-submit:hover { background: var(--cf-accent-hover); }
.cf .cf-submit:disabled { opacity: 0.55; cursor: not-allowed; }
.cf .cf-submit:focus-visible, .cf .cf-link:focus-visible { outline: 2px solid var(--cf-accent); outline-offset: 2px; }
.cf .cf-notice { font-size: 14px; border-radius: 10px; padding: 12px 14px; color: var(--cf-danger); background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.3); }
.cf .cf-notice:empty { display: none; }
.cf .cf-done { text-align: center; padding: 24px 8px; }
.cf .cf-done:focus { outline: none; }
.cf .cf-done h3 { font-size: 22px; margin-bottom: 8px; color: var(--cf-text); }
.cf .cf-done p { color: var(--cf-text-2); }
.cf .cf-done strong { color: var(--cf-text); word-break: break-all; }
@media (max-width: 640px) {
  .cf { padding: 20px 16px; }
  .cf .cf-row { grid-template-columns: 1fr; }
}