/* === RESPONSIVE.CSS === */
/* assets/css/responsive.css */
/* НАЗНАЧЕНИЕ: Форма заявки + адаптив под мобильные и планшеты */
/* СВЯЗИ: main.css, sections.css */
/* РАЗМЕР: ~250 строк */

/* ============================================
   ФОРМА ЗАЯВКИ
   ============================================ */

.form-wrap {
  max-width: 620px;
  margin: 44px auto 0;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.field { position: relative; }

.field label {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin-bottom: 8px;
  font-weight: 500;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  background: rgba(245,241,232,.06);
  border: 1px solid color-mix(in oklab, var(--gold) 22%, transparent);
  border-radius: 2px;
  padding: 14px 16px;
  color: var(--ivory);
  font-size: 15px;
  transition: border-color .2s var(--ease-out-quart), background .2s var(--ease-out-quart);
}

.field textarea {
  resize: vertical;
  min-height: 96px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: color-mix(in oklab, var(--ivory) 38%, transparent);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(245,241,232,.09);
}

.field.has-error input,
.field.has-error textarea {
  border-color: #C25B5B;
}

.field .err {
  display: none;
  font-size: 12.5px;
  color: #E08B8B;
  margin-top: 6px;
}

.field.has-error .err { display: block; }

/* Honeypot: скрыт от людей, виден ботам */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-submit {
  margin-top: 26px;
  text-align: center;
}

.form-submit .btn { min-width: 260px; }

.form-note {
  font-size: 12.5px;
  color: var(--ivory-65);
  text-align: center;
  margin-top: 16px;
  line-height: 1.5;
}

/* Сообщение об итоге отправки */
.form-msg {
  display: none;
  margin-top: 22px;
  padding: 18px 22px;
  border-radius: 2px;
  font-size: 15px;
  text-align: center;
}

.form-msg.show { display: block; }

.form-msg.ok {
  background: rgba(198,164,91,.14);
  border: 1px solid var(--gold);
  color: var(--gold-soft);
}

.form-msg.fail {
  background: rgba(194,91,91,.14);
  border: 1px solid #C25B5B;
  color: #E08B8B;
}

/* Индикатор загрузки на кнопке */
.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 18px; height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid rgba(11,32,39,.3);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================
   ПЛАНШЕТ
   ============================================ */

@media (max-width: 980px) {
  .gallery { grid-template-columns: repeat(2, 1fr); }

  .gallery figure:first-child {
    grid-column: span 2;
    grid-row: auto;
    aspect-ratio: 16 / 9;
  }

  .infra { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   МОБИЛЬНЫЕ
   ============================================ */

@media (max-width: 820px) {
  :root {
    --section-pad: 56px;
    --wrap-pad: 22px;
  }

  .hero { min-height: auto; padding: 116px 0 64px; }
  .hero h1 { max-width: none; }
  .hero .lede { font-size: 17px; }

  .hero-meta { gap: 26px; }
  .hero-meta div strong { font-size: 22px; }

  .hero-top .wrap { font-size: 10px; letter-spacing: .12em; }

  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }

  /* Все двухколоночные сетки в одну колонку */
  .grid2,
  .types,
  .entry,
  .guarantees,
  .form-row {
    grid-template-columns: 1fr;
  }

  .gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .gallery figure:first-child { aspect-ratio: 4 / 3; }

  .infra { grid-template-columns: repeat(2, 1fr); }

  .step {
    grid-template-columns: 1fr;
    gap: 6px;
    padding-left: 26px;
  }

  .price-scale { padding: 24px 20px; }

  .scale-labels b { font-size: 20px; }

  .type-card { padding: 26px 22px; }
  .type-card .t-area { font-size: 44px; }

  .faq summary { font-size: 18px; padding-right: 34px; }

  .form-submit .btn { width: 100%; min-width: 0; }

  footer .wrap { flex-direction: column; gap: 8px; text-align: center; }
}

/* ============================================
   МАЛЫЕ ЭКРАНЫ
   ============================================ */

@media (max-width: 480px) {
  .gallery { grid-template-columns: 1fr; }
  .infra { grid-template-columns: 1fr; }

  .hero-meta { flex-direction: column; gap: 20px; }

  .scale-labels {
    flex-direction: column;
    gap: 14px;
  }

  .scale-labels div:last-child { text-align: left; }
}

/* ============================================
   ШИРОКИЕ ЭКРАНЫ
   ============================================ */

@media (min-width: 1600px) {
  :root { --wrap-max: 1180px; }
}

/* ============================================
   ГОРИЗОНТАЛЬНАЯ ПРОКРУТКА ТОЛЬКО ВНУТРИ БЛОКОВ
   ============================================ */

.scroll-x {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}