/* ============================================================
   YouCoder — Sales Contact Page Styles
   对齐 design tokens（style.css / auth.css）
   ============================================================ */

.sales-page {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px 64px;
}

/* ── ① Hero ── */
.sales-hero {
  text-align: center;
  padding: 72px 0 32px;
}
.sales-hero-inner { max-width: 720px; margin: 0 auto; }
.sales-hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--yc-brand, #4c8c6c);
  background: color-mix(in srgb, var(--yc-brand, #4c8c6c) 10%, transparent);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.sales-hero h1 {
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.25;
  margin: 0 0 16px;
}
.sales-hero-sub {
  font-size: 17px;
  color: var(--yc-text-muted, #666);
  margin: 0 0 28px;
}
.sales-hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.sales-response-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  font-size: 13px;
  color: var(--yc-text-muted, #666);
  background: color-mix(in srgb, var(--yc-brand, #4c8c6c) 8%, transparent);
  padding: 8px 16px;
  border-radius: 20px;
}
.sales-response-note svg { color: var(--yc-brand, #4c8c6c); flex-shrink: 0; }

/* ── Section ── */
.sales-container { margin-top: 32px; }
.sales-section {
  margin-bottom: 56px;
  scroll-margin-top: 90px;
}
.sales-section-title {
  font-size: 22px;
  margin: 0 0 8px;
}
.sales-section-desc {
  font-size: 14.5px;
  color: var(--yc-text-muted, #666);
  margin: 0 0 24px;
}

/* ── ② Intent Selector ── */
.sales-plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
}
.sales-plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px;
  border: 1.5px solid var(--yc-border, #e5e2d8);
  border-radius: 12px;
  background: var(--yc-card, #fff);
  cursor: pointer;
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.sales-plan-card:hover {
  border-color: color-mix(in srgb, var(--yc-brand, #4c8c6c) 45%, #e5e2d8);
  transform: translateY(-2px);
}
.sales-plan-card.sales-plan-active {
  border-color: var(--yc-brand, #4c8c6c);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--yc-brand, #4c8c6c) 18%, transparent);
}
.sales-plan-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.sales-plan-icon { font-size: 26px; line-height: 1; }
.sales-plan-name { font-weight: 600; font-size: 15px; }
.sales-plan-desc { font-size: 12.5px; color: var(--yc-text-muted, #666); line-height: 1.5; }

/* ── ③ Contact Form ── */
.sales-form {
  background: var(--yc-card, #fff);
  border: 1px solid var(--yc-border, #e5e2d8);
  border-radius: 14px;
  padding: 28px;
}
.sales-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.sales-field { display: flex; flex-direction: column; gap: 6px; }
.sales-field-full { margin-bottom: 16px; }
.sales-field-empty { display: none; }
.sales-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--yc-text, #1a1a18);
}
.sales-field input,
.sales-field select,
.sales-field textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 10px 12px;
  border: 1.5px solid var(--yc-border, #e5e2d8);
  border-radius: 8px;
  background: var(--yc-bg, #faf9f5);
  color: var(--yc-text, #1a1a18);
  transition: border-color .18s, box-shadow .18s;
  width: 100%;
  box-sizing: border-box;
}
.sales-field input:focus,
.sales-field select:focus,
.sales-field textarea:focus {
  outline: none;
  border-color: var(--yc-brand, #4c8c6c);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--yc-brand, #4c8c6c) 15%, transparent);
}
.sales-field textarea { resize: vertical; min-height: 120px; }
.sales-field input.invalid,
.sales-field textarea.invalid {
  border-color: #c62828;
  box-shadow: 0 0 0 3px rgba(198, 40, 40, .12);
}
.sales-form-error {
  background: #fdecea;
  color: #c62828;
  border: 1px solid #f5c6c0;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13.5px;
  margin-bottom: 16px;
}
.sales-form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 4px;
}
.sales-form-hint {
  font-size: 12px;
  color: var(--yc-text-muted, #999);
}
.sales-form-actions .btn-lg { min-width: 160px; }

/* ── Success state ── */
.sales-success {
  text-align: center;
  padding: 48px 24px;
  background: var(--yc-card, #fff);
  border: 1px solid var(--yc-border, #e5e2d8);
  border-radius: 14px;
}
.sales-success-icon { font-size: 44px; margin-bottom: 12px; }
.sales-success h3 { margin: 0 0 10px; font-size: 20px; }
.sales-success p { color: var(--yc-text-muted, #666); font-size: 14.5px; max-width: 440px; margin: 0 auto 24px; }
.sales-success-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── ④ Direct contact ── */
.sales-direct-card {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  background: var(--yc-card, #fff);
  border: 1px dashed var(--yc-border, #e5e2d8);
  border-radius: 12px;
  padding: 20px 24px;
}
.sales-email {
  font-size: 16px;
  font-weight: 600;
  color: var(--yc-brand, #4c8c6c);
  text-decoration: none;
  word-break: break-all;
}
.sales-email:hover { text-decoration: underline; }
.sales-copy-ok { font-size: 13px; color: #2e7d32; font-weight: 600; }

/* ── ⑤ Sales FAQ ── */
.sales-faq { display: grid; gap: 14px; }
.sales-faq-item {
  background: var(--yc-card, #fff);
  border: 1px solid var(--yc-border, #e5e2d8);
  border-radius: 10px;
  padding: 18px 22px;
}
.sales-faq-item h4 { margin: 0 0 8px; font-size: 15px; }
.sales-faq-item p { margin: 0; font-size: 14px; color: var(--yc-text-muted, #666); line-height: 1.7; }

/* ── ⑥ Backflow ── */
.sales-backflow {
  text-align: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--yc-brand, #4c8c6c) 8%, #fff), color-mix(in srgb, var(--yc-brand, #4c8c6c) 3%, #fff));
  border: 1px solid var(--yc-border, #e5e2d8);
  border-radius: 16px;
  padding: 40px 24px;
}
.sales-backflow h3 { margin: 0 0 8px; font-size: 20px; }
.sales-backflow p { margin: 0 0 22px; color: var(--yc-text-muted, #666); font-size: 14.5px; }
.sales-backflow-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .sales-hero { padding-top: 48px; }
  .sales-form { padding: 20px; }
  .sales-form-row { grid-template-columns: 1fr; gap: 14px; }
  .sales-hero-cta { flex-direction: column; align-items: stretch; }
  .sales-hero-cta .btn-lg { width: 100%; text-align: center; }
}