/* Site Lead Form (slf) — стили. Всё скоупится под .slf, с сайтом не конфликтует.
   Темы: .slf (светлая по умолчанию) и .slf[data-theme="dark"]. Цвет сайта — --slf-accent. */

.slf {
  --slf-accent: #b81f3e;
  --slf-accent-hover: #9e1a34;
  --slf-accent-soft: rgba(184, 31, 62, 0.10);
  --slf-on-accent: #ffffff;
  --slf-bg: #ffffff;
  --slf-fg: #1c1c1f;
  --slf-muted: #6b7280;
  --slf-border: #e3e5ea;
  --slf-field-bg: #ffffff;
  --slf-focus: rgba(184, 31, 62, 0.22);
  --slf-danger: #c62828;
  --slf-danger-soft: rgba(198, 40, 40, 0.08);
  --slf-ok: #1b7f4d;
  --slf-ok-soft: rgba(27, 127, 77, 0.12);
  --slf-radius: 14px;
  --slf-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  font-family: inherit;
  color: var(--slf-fg);
  max-width: 560px;
}
.slf[data-theme="dark"] {
  --slf-accent: #ff5a6e;
  --slf-accent-hover: #ff7284;
  --slf-accent-soft: rgba(255, 90, 110, 0.14);
  --slf-on-accent: #1c070a;
  --slf-bg: #1d1d21;
  --slf-fg: #f2f2f5;
  --slf-muted: #9aa0a9;
  --slf-border: #35363d;
  --slf-field-bg: #26262c;
  --slf-focus: rgba(255, 90, 110, 0.28);
  --slf-danger: #ff7b7b;
  --slf-danger-soft: rgba(255, 123, 123, 0.10);
  --slf-ok: #4ad48c;
  --slf-ok-soft: rgba(74, 212, 140, 0.14);
  --slf-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}
.slf, .slf * { box-sizing: border-box; }
.slf-title { font-size: 22px; font-weight: 700; line-height: 1.25; margin: 0 0 18px; }
.slf-field { display: block; border: 0; padding: 0; margin: 0 0 14px; min-width: 0; }
.slf-label { display: block; font-size: 13px; font-weight: 600; color: var(--slf-muted); margin-bottom: 6px; }
.slf-req { color: var(--slf-accent); font-style: normal; }
.slf-input {
  display: block; width: 100%; padding: 11px 14px; font-size: 16px; line-height: 1.3;
  font-family: inherit; color: var(--slf-fg); background: var(--slf-field-bg);
  border: 1px solid var(--slf-border); border-radius: var(--slf-radius);
  transition: border-color 0.15s, box-shadow 0.15s; appearance: none;
}
.slf-input:focus { outline: none; border-color: var(--slf-accent); box-shadow: 0 0 0 3px var(--slf-focus); }
.slf-input::placeholder { color: var(--slf-muted); opacity: 0.8; }
select.slf-input { background-image: none; }
.slf-invalid { border-color: var(--slf-danger) !important; box-shadow: 0 0 0 3px var(--slf-danger-soft) !important; }
.slf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.slf-segment { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.slf-seg span, .slf-channel-card {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: 44px; padding: 8px 10px; font-size: 14px; cursor: pointer; user-select: none;
  background: var(--slf-field-bg); border: 1px solid var(--slf-border); border-radius: var(--slf-radius);
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.slf-seg input:checked + span,
.slf-channel input:checked + .slf-channel-card {
  border-color: var(--slf-accent); background: var(--slf-accent-soft);
  box-shadow: inset 0 0 0 1px var(--slf-accent); font-weight: 600;
}
.slf-seg input:focus-visible + span,
.slf-channel input:focus-visible + .slf-channel-card { box-shadow: 0 0 0 3px var(--slf-focus); }
.slf-channels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.slf-channel-card { font-size: 13px; line-height: 1.25; gap: 4px; flex-direction: column; padding: 10px 6px; }
.slf-contact { margin-top: 10px; }
.slf-submit {
  display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%;
  min-height: 50px; margin-top: 4px; padding: 13px 20px; font-size: 16px; font-weight: 700;
  font-family: inherit; color: var(--slf-on-accent); background: var(--slf-accent);
  border: 0; border-radius: var(--slf-radius); cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
.slf-submit:hover { background: var(--slf-accent-hover); }
.slf-submit:active { transform: translateY(1px); }
.slf-submit:disabled { opacity: 0.75; cursor: progress; }
.slf-submit:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--slf-focus); }
.slf-spinner {
  display: none; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border: 2px solid color-mix(in srgb, var(--slf-on-accent) 40%, transparent);
  border-top-color: var(--slf-on-accent);
  animation: slf-spin 0.7s linear infinite;
}
.slf-submit[data-loading="1"] .slf-spinner { display: inline-block; }
@keyframes slf-spin { to { transform: rotate(360deg); } }
.slf-alert {
  margin-top: 12px; padding: 10px 14px; font-size: 14px; line-height: 1.45;
  color: var(--slf-danger); background: var(--slf-danger-soft);
  border: 1px solid var(--slf-danger); border-radius: 10px; overflow-wrap: anywhere;
}
.slf-alert a { color: inherit; font-weight: 700; }
.slf-legal { margin: 10px 0 0; font-size: 12px; line-height: 1.45; color: var(--slf-muted); }
.slf-sr {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0;
  clip: rect(0 0 0 0); overflow: hidden; white-space: nowrap;
}
.slf-hp { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; border: 0 !important; }
.slf-success { text-align: center; padding: 26px 10px; }
.slf-success-icon {
  width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--slf-ok-soft); color: var(--slf-ok);
  font-size: 30px; font-weight: 700; line-height: 56px;
}
.slf-success-title { font-size: 22px; font-weight: 700; margin: 0 0 8px; }
.slf-success-text { margin: 0; color: var(--slf-muted); font-size: 15px; line-height: 1.5; }
.slf-tg-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 54px; margin: 18px auto 8px; padding: 14px 22px; max-width: 360px;
  background: #229ed9; color: #ffffff; font-size: 17px; font-weight: 700;
  text-decoration: none; border-radius: var(--slf-radius); box-shadow: var(--slf-shadow);
  transition: background 0.15s;
}
.slf-tg-btn[hidden], .slf-tg-hint[hidden], .slf-contact[hidden], .slf-alert[hidden], .slf-success[hidden], .slf-form[hidden] { display: none !important; }
.slf-tg-btn:hover { background: #1c8dc4; }
.slf-tg-hint { margin: 0; font-size: 13px; color: var(--slf-muted); }
@media (max-width: 540px) {
  .slf-grid { grid-template-columns: 1fr; }
  .slf-channels { grid-template-columns: 1fr; }
  .slf-channel-card { flex-direction: row; justify-content: flex-start; padding: 11px 12px; }
  .slf-title { font-size: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .slf-spinner { animation-duration: 1.6s; }
  .slf, .slf * { transition: none !important; }
  .slf-success { scroll-behavior: auto; }
}