/* ==========================================================================
   VERTEX — КОМПОНЕНТЫ ИНТЕРФЕЙСА (components.css)
   Хедер, кнопки, бенто-сетка, карточки каталога, форма и валидация
   ========================================================================== */

/* 1. ХЕДЕР (STICKY С ЭФФЕКТОМ МАТОВОГО СТЕКЛА) */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgb(244 239 230 / 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: padding var(--duration-normal) var(--ease-out), background-color var(--duration-normal) var(--ease-out);
  padding-block: 18px;
}

.header--scrolled {
  padding-block: 12px;
  background-color: rgb(244 239 230 / 0.96);
  box-shadow: 0 4px 20px rgb(20 26 22 / 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-mark {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  font-style: italic;
  color: var(--oak);
  line-height: 1;
}

.brand-title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.brand-sub {
  display: none;
  font-size: var(--text-xs);
  color: var(--muted);
  border-left: 1px solid var(--line);
  padding-left: 12px;
  margin-left: 4px;
}

@media (min-width: 1024px) {
  .brand-sub { display: inline-block; }
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 32px;
}

@media (min-width: 769px) {
  .nav-desktop { display: flex; }
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--muted);
  position: relative;
  padding: 4px 0;
  transition: color var(--duration-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--oak);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover {
  color: var(--ink);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Кнопки WhatsApp: в шапке и плавающая */
.wa-pill,
.wa-float {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background-color: var(--wa-green);
  color: #FFFFFF;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background-color var(--duration-fast), transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast);
}

.wa-pill:hover,
.wa-float:hover {
  background-color: var(--wa-green-hover);
  transform: translateY(-2px);
}

.wa-pill {
  gap: 8px;
  padding: 10px;
}

.wa-pill-text {
  display: none;
}

@media (min-width: 769px) {
  .wa-pill { padding: 10px 20px; }
  .wa-pill-text { display: inline; }
}

.wa-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.wa-float {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 90;
  gap: 10px;
  padding: 16px;
  box-shadow: 0 10px 30px rgb(20 26 22 / 0.28);
}

.wa-float:hover {
  box-shadow: 0 14px 36px rgb(20 26 22 / 0.34);
}

.wa-float .wa-icon {
  width: 26px;
  height: 26px;
}

.wa-float-text {
  display: none;
}

@media (min-width: 640px) {
  .wa-float { padding: 14px 24px; }
  .wa-float-text { display: inline; }
}

/* Мобильный бургер и меню */
.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  cursor: pointer;
}

@media (min-width: 769px) {
  .burger-btn { display: none; }
}

.burger-line {
  width: 22px;
  height: 2px;
  background-color: var(--ink);
  border-radius: 1px;
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal);
}

.burger-btn.is-active .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn.is-active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-btn.is-active .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-backdrop {
  position: fixed;
  inset: 0;
  background: rgb(20 26 22 / 0.5);
  backdrop-filter: blur(4px);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.mobile-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav {
  position: fixed;
  top: 76px;
  left: 0;
  width: 100%;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  z-index: 99;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal);
  box-shadow: var(--shadow-md);
}

.mobile-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-link {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.mobile-nav-cta {
  margin-top: 8px;
  padding: 14px;
  text-align: center;
  background: var(--ink);
  color: var(--paper);
  font-weight: 600;
  border-radius: var(--radius-sm);
}

/* 2. КНОПКИ И БЕЙДЖИ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--oak-light);
  color: var(--forest);
  border: 1px solid var(--oak-light);
}

.btn--primary:hover {
  background-color: var(--oak-hover);
  border-color: var(--oak-hover);
  transform: translateY(-1px);
}

.btn--outline-dark {
  background-color: transparent;
  color: var(--paper);
  border: 1px solid var(--line-dark);
}

.btn--outline-dark:hover {
  border-color: var(--oak-light);
  color: var(--oak-light);
}

.btn-arrow {
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.chip-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background-color: var(--paper-3);
  border: 1px solid var(--line);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--ink);
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

.chip-tag--accent {
  background-color: rgb(138 90 43 / 0.12);
  border-color: var(--oak);
  color: var(--oak);
}

.card-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background-color: rgb(244 239 230 / 0.94);
  color: var(--oak);
  border: 1px solid var(--paper-3);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

/* 3. БЕНТО-СЕТКА КАТЕГОРИЙ */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
}

@media (min-width: 640px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

.bento-card {
  position: relative;
  background-color: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal), border-color var(--duration-fast);
  display: flex;
  flex-direction: column;
}

.bento-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--oak);
}

.bento-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--paper-2);
}

.bento-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.bento-card:hover .bento-img {
  transform: scale(1.04);
}

.bento-content {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #FFFFFF;
  border-top: 1px solid var(--line);
}

.bento-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}

.bento-count {
  font-size: var(--text-xs);
  color: var(--muted);
}

.bento-arrow {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--paper);
  color: var(--ink);
  transition: background-color var(--duration-fast), transform var(--duration-fast);
}

.bento-card:hover .bento-arrow {
  background-color: var(--oak);
  color: #FFFFFF;
  transform: translateX(3px);
}

/* 4. КАТАЛОГ: ПОИСК, ФИЛЬТРЫ И КАРТОЧКИ */
.catalog-controls {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 14px 18px 14px 44px;
  background-color: #FFFFFF;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  color: var(--ink);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.search-input:focus {
  border-color: var(--oak);
  box-shadow: 0 0 0 3px rgb(138 90 43 / 0.15);
  outline: none;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.filter {
  padding: 8px 16px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--muted);
  background-color: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.filter:hover {
  color: var(--ink);
  border-color: var(--oak);
}

.filter.active {
  background-color: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.catalog-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--muted);
  padding-block: 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

/* 4 колонки десктоп / 2 колонки мобайл */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 768px) {
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 1024px) {
  .catalog-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

.catalog-card {
  background-color: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast), border-color var(--duration-fast);
}

.catalog-card[hidden] {
  display: none;
}

.catalog-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--oak);
}

.card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--paper-2);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.catalog-card:hover .card-img {
  transform: scale(1.03);
}

.card-body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-category {
  font-size: var(--text-label);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 4px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 12px;
  flex-grow: 1;
}

.card-footer {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-action {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--oak);
  cursor: pointer;
  padding: 4px 0;
  transition: color var(--duration-fast);
}

.card-action:hover {
  color: var(--ink);
  text-decoration: underline;
}

/* Пустое состояние каталога */
.catalog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background-color: #FFFFFF;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
}

.catalog-empty-icon {
  font-size: 2.25rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.catalog-empty-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.catalog-empty-text {
  font-size: var(--text-sm);
  color: var(--muted);
  margin-bottom: 18px;
}

.reset-btn {
  display: inline-flex;
  padding: 10px 20px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--ink);
  background-color: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.reset-btn:hover {
  background-color: var(--ink);
  color: var(--paper);
}

/* 5. ФОРМА ЗАПРОСА И СТАТУС ВАЛИДАЦИИ */
.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-size: var(--text-base);
  color: var(--ink);
  background-color: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--oak);
  box-shadow: 0 0 0 3px rgb(138 90 43 / 0.15);
  outline: none;
  background-color: #FFFFFF;
}

.form-input[aria-invalid="true"] {
  border-color: #A33A3A;
  background-color: #FDF4F4;
}

.btn--submit {
  width: 100%;
  padding: 16px 24px;
  background-color: var(--ink);
  color: var(--paper);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.btn--submit:hover {
  background-color: var(--oak);
  color: #FFFFFF;
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Длинные подписи переносятся, иначе на узком экране кнопка распирает сетку */
.form-actions .btn {
  white-space: normal;
  text-align: center;
}

.btn--ghost {
  width: 100%;
  padding: 14px 24px;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}

.btn--ghost:hover {
  border-color: var(--oak);
  color: var(--oak);
}

.form-status {
  margin-top: 18px;
  font-size: var(--text-sm);
  line-height: 1.5;
  border-radius: var(--radius-sm);
}

.status--error {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 18px;
  background-color: #FDF2F2;
  border: 1px solid #E8B6B6;
  color: #8C2323;
  font-weight: 500;
}

.status--success {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 18px;
  background-color: #F0F6F1;
  border: 1px solid #B0D4B5;
  color: #215428;
  font-weight: 500;
}

.status--fallback {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 18px;
  background-color: var(--paper-2);
  border: 1px solid var(--line);
}

.fallback-textarea {
  width: 100%;
  padding: 10px;
  font-family: monospace;
  font-size: var(--text-xs);
  background-color: #FFFFFF;
  border: 1px solid var(--line);
}