/* ============================================================
   Unified Contact Form (.kl-cf)
   用于 Contact 页面、子页面内嵌表单、浮动侧边栏
   ============================================================ */

/* ── Wrapper ── */
.kl-cf {
  --cf-gold: #B8954A;
  --cf-ink: #1C1912;
  --cf-ink-soft: #6B6250;
  --cf-border: rgba(28, 25, 18, 0.12);
  --cf-bg: rgba(28, 25, 18, 0.03);
  --cf-radius: 4px;
  --cf-font: var(--sans, 'Jost', sans-serif);
  --cf-serif: var(--serif, 'Cormorant Garamond', Georgia, serif);
  display: block;
  margin: 0;
}

/* ── Header ── */
.kl-cf__kicker {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cf-gold);
  margin-bottom: 12px;
}

.kl-cf__title {
  font-family: var(--cf-serif);
  font-size: clamp(24px, 2.4vw, 36px);
  font-weight: 400;
  color: var(--cf-ink);
  margin-bottom: 12px;
  line-height: 1.15;
}

.kl-cf__title em {
  font-style: italic;
  color: var(--cf-gold);
}

.kl-cf__subtitle {
  font-size: 14px;
  line-height: 1.75;
  color: var(--cf-ink-soft);
  margin-bottom: 28px;
  max-width: 480px;
}

/* ── Rows & Groups ── */
.kl-cf__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.kl-cf__group {
  margin-bottom: 16px;
}

.kl-cf__row .kl-cf__group {
  margin-bottom: 0;
}

/* ── Labels ── */
.kl-cf__label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--cf-ink);
  margin-bottom: 6px;
}

.kl-cf__label .req {
  color: var(--cf-gold);
}

/* ── Inputs ── */
.kl-cf__input,
.kl-cf__select,
.kl-cf__textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--cf-font);
  font-size: 14px;
  color: var(--cf-ink);
  background: var(--cf-bg);
  border: 1px solid var(--cf-border);
  border-radius: var(--cf-radius);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  box-sizing: border-box;
}

.kl-cf__input::placeholder,
.kl-cf__textarea::placeholder {
  color: rgba(107, 98, 80, 0.5);
}

.kl-cf__input:focus,
.kl-cf__select:focus,
.kl-cf__textarea:focus {
  border-color: var(--cf-gold);
  box-shadow: 0 0 0 3px rgba(184, 149, 74, 0.1);
}

.kl-cf__input.kl-cf__input--error,
.kl-cf__textarea.kl-cf__input--error {
  border-color: #D4524A;
}

.kl-cf__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B6250' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.kl-cf__textarea {
  resize: vertical;
  min-height: 100px;
}

/* ── Submit ── */
.kl-cf__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 28px;
  background: var(--cf-gold);
  color: #fff;
  border: none;
  border-radius: var(--cf-radius);
  font-family: var(--cf-font);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s;
  margin-top: 4px;
}

.kl-cf__submit:hover {
  background: #A68440;
}

/* ── Note ── */
.kl-cf__note {
  font-size: 11px;
  line-height: 1.6;
  color: var(--cf-ink-soft);
  margin-top: 12px;
  opacity: 0.7;
}

/* ── Success State ── */
.kl-cf__success {
  text-align: center;
  padding: 40px 20px;
}

.kl-cf__success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(184, 149, 74, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.kl-cf__success h3 {
  font-family: var(--cf-serif);
  font-size: 24px;
  font-weight: 400;
  color: var(--cf-ink);
  margin-bottom: 12px;
}

.kl-cf__success h3 em {
  font-style: italic;
  color: var(--cf-gold);
}

.kl-cf__success p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--cf-ink-soft);
  max-width: 400px;
  margin: 0 auto;
}

/* ── Compact Mode (sidebar) ── */
.kl-cf--compact .kl-cf__title {
  font-size: 20px;
  margin-bottom: 8px;
}

.kl-cf--compact .kl-cf__subtitle {
  font-size: 13px;
  margin-bottom: 20px;
}

.kl-cf--compact .kl-cf__row {
  grid-template-columns: 1fr;
  gap: 0;
}

.kl-cf--compact .kl-cf__input,
.kl-cf--compact .kl-cf__select,
.kl-cf--compact .kl-cf__textarea {
  padding: 10px 12px;
  font-size: 13px;
}

.kl-cf--compact .kl-cf__textarea {
  min-height: 72px;
}

.kl-cf--compact .kl-cf__submit {
  padding: 12px 20px;
  font-size: 11px;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .kl-cf__row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}