/* ═══════════════════════════════════════════════════
   БИБЛИОТЕКА РАСШИРЕНИЙ — стиль "Виктория | 1С"
   Единая стилистика с основным сайтом
   ═══════════════════════════════════════════════════ */

:root {
  --bg:       #080b12;
  --bg2:      #0d1120;
  --card:     #0f1624;
  --card2:    #131b2e;
  --border:   rgba(0,220,255,0.15);
  --border2:  rgba(255,255,255,0.08);
  --cyan:     #00dcff;
  --green:    #39ff6e;
  --orange:   #f59e0b;
  --purple:   #8b5cf6;
  --text:     #f0f4ff;
  --muted:    #8892a4;
  --glow-c:   rgba(0,220,255,0.25);
  --glow-g:   rgba(57,255,110,0.25);
  --glow-o:   rgba(245,158,11,0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 60% 60% at 70% 10%, rgba(0,220,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(57,255,110,0.05) 0%, transparent 50%),
    radial-gradient(ellipse 80% 50% at 50% 50%, rgba(139,92,246,0.04) 0%, transparent 60%);
  background-attachment: fixed;
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 40px 20px;
  position: relative;
  overflow-x: hidden;
}

/* Сетка-перспектива на фоне */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(0,220,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,220,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}

/* Скроллбар */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cyan), var(--green));
  border-radius: 4px;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ═══ ВЕРХНЯЯ ПАНЕЛЬ С ВОЗВРАТОМ ═══ */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 32px;
  background: rgba(8,11,18,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  margin: -40px -20px 40px -20px;
}
.top-nav-back {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  transition: color 0.25s;
}
.top-nav-back:hover { color: var(--cyan); }
.top-nav-brand em {
  color: var(--cyan);
  font-style: normal;
  text-shadow: 0 0 10px rgba(0,220,255,0.5);
}
.back-arrow {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(0,220,255,0.06);
  font-size: 1.15rem;
  color: var(--cyan);
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.top-nav-back:hover .back-arrow {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #080b12;
  border-color: transparent;
  transform: translateX(-4px);
  box-shadow: 0 0 24px var(--glow-c);
}
.top-nav-contact {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #080b12;
  padding: 11px 24px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: all 0.25s;
}
.top-nav-contact:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--glow-c);
}
.contact-icon { font-size: 1rem; }

/* ═══ ШАПКА ═══ */
.header {
  text-align: center;
  margin-bottom: 48px;
  padding: 20px 0;
}
.title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 14px;
  line-height: 1.15;
  background: linear-gradient(90deg, var(--text) 0%, var(--cyan) 50%, var(--green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.subtitle {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ═══ ФИЛЬТР-ПИЛЮЛИ ═══ */
.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.cat-pill {
  padding: 12px 26px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(15,22,36,0.6);
  backdrop-filter: blur(10px);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.3px;
}
.cat-pill:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--glow-c);
}
.cat-pill.is-active {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #080b12;
  border-color: transparent;
  box-shadow: 0 6px 24px var(--glow-c);
  font-weight: 700;
}

/* ═══ СЕТКА КАРТОЧЕК ═══ */
.extensions-grid {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -12px 40px -12px;
}

/* ═══ КАРТОЧКА РАСШИРЕНИЯ ═══ */
.extension-card {
  background: linear-gradient(180deg, var(--card) 0%, var(--card2) 100%);
  border: 1px solid var(--border2);
  border-radius: 18px;
  padding: 28px 24px;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
  width: calc(33.333% - 24px);
  margin: 12px;
  position: relative;
  overflow: hidden;
}
.extension-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}
.extension-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 0% 0%, rgba(0,220,255,0.08), transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s;
}
.extension-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow:
    0 20px 50px rgba(0,0,0,0.4),
    0 0 40px var(--glow-c);
}
.extension-card:hover::after { transform: scaleX(1); }
.extension-card:hover::before { opacity: 1; }

.extension-card.is-off { opacity: 0.55; }
.extension-card.hidden { display: none !important; }

/* ═══ ШАПКА КАРТОЧКИ ═══ */
.extension-header {
  display: flex;
  align-items: flex-start;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}
.extension-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 16px;
  color: #080b12;
  font-weight: bold;
  font-size: 1.4rem;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 8px 24px var(--glow-c);
  position: relative;
}
.extension-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.extension-cat {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--cyan);
  font-weight: 800;
  margin-bottom: 8px;
  text-shadow: 0 0 10px rgba(0,220,255,0.4);
}
.extension-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 5px;
  line-height: 1.3;
}

/* ═══ ОПИСАНИЕ ═══ */
.extension-description {
  color: #b8c2d4;
  font-size: 1rem;
  margin-bottom: 24px;
  flex-grow: 1;
  line-height: 1.7;
  position: relative;
  z-index: 1;
  display: -webkit-box;
  -webkit-line-clamp: 7;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ═══ ЦЕНА ═══ */
.extension-price {
  font-size: 1.75rem;
  font-weight: 900;
  text-align: center;
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 22px;
  background: rgba(57,255,110,0.08);
  border: 1px solid rgba(57,255,110,0.3);
  color: var(--green);
  text-shadow: 0 0 14px rgba(57,255,110,0.5);
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}

/* ═══ КНОПКИ ═══ */
.extension-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.extension-link {
  display: block;
  background: transparent;
  border: 1px solid rgba(0,220,255,0.4);
  color: var(--cyan) !important;
  text-align: center;
  padding: 14px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  flex: 1;
  min-width: 120px;
  letter-spacing: 0.3px;
}
.extension-link:hover {
  background: rgba(0,220,255,0.1);
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--glow-c);
}
.order-link {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #080b12 !important;
  border-color: transparent;
}
.order-link:hover {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  box-shadow: 0 8px 30px var(--glow-g);
  transform: translateY(-3px);
}

/* ═══ EMPTY STATE ═══ */
.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
  font-size: 1.1rem;
  border: 1px dashed var(--border);
  border-radius: 16px;
  background: var(--card);
}

/* ═══ ПОДВАЛ ═══ */
.footer-info {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 32px 0 20px;
  margin-top: 20px;
  border-top: 1px solid var(--border2);
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}
.footer-info span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-info span::before {
  content: '●';
  color: var(--green);
  font-size: 0.7rem;
  text-shadow: 0 0 8px var(--green);
}

/* ═══ АНИМАЦИЯ ПОЯВЛЕНИЯ ═══ */
.extension-card {
  animation: cardIn 0.5s ease backwards;
}
.extension-card:nth-child(1) { animation-delay: 0.05s; }
.extension-card:nth-child(2) { animation-delay: 0.10s; }
.extension-card:nth-child(3) { animation-delay: 0.15s; }
.extension-card:nth-child(4) { animation-delay: 0.20s; }
.extension-card:nth-child(5) { animation-delay: 0.25s; }
.extension-card:nth-child(6) { animation-delay: 0.30s; }
.extension-card:nth-child(7) { animation-delay: 0.35s; }
.extension-card:nth-child(8) { animation-delay: 0.40s; }
.extension-card:nth-child(9) { animation-delay: 0.45s; }
.extension-card:nth-child(n+10) { animation-delay: 0.5s; }

@keyframes cardIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══ АДАПТИВ ═══ */
@media (max-width: 1024px) {
  .extension-card { width: calc(50% - 24px); }
}

@media (max-width: 768px) {
  body { padding: 24px 16px; }
  .extension-card { width: calc(100% - 24px); }
  .title { font-size: 1.8rem; }
  .extension-buttons { flex-direction: column; }
  .cat-pill { padding: 10px 20px; font-size: 14px; }
}

@media (max-width: 600px) {
  .top-nav {
    padding: 12px 16px;
    margin: -24px -16px 28px -16px;
  }
  .top-nav-brand { font-size: 0.95rem; }
  .back-arrow { width: 34px; height: 34px; font-size: 1rem; }
  .top-nav-contact { padding: 9px 16px; font-size: 0.85rem; }
  .contact-text { display: none; }
  .contact-icon { font-size: 1.2rem; }
}

@media (max-width: 480px) {
  .extension-card { padding: 22px 18px; }
  .extension-icon { width: 52px; height: 52px; }
  .extension-title { font-size: 1.1rem; }
  .extension-price { font-size: 1.4rem; }
}


/* ═══════════════════════════════════════════════════
   PDF-ИКОНКА В УГЛУ КАРТОЧКИ (главная)
   ═══════════════════════════════════════════════════ */
.card-pdf-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.35);
  color: var(--purple);
  z-index: 2;
  transition: all 0.25s ease;
  text-decoration: none;
}
.card-pdf-badge:hover {
  background: var(--purple);
  color: #fff;
  transform: translateY(-2px) rotate(-4deg);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
  border-color: transparent;
}
.card-pdf-badge svg {
  display: block;
}

/* ═══════════════════════════════════════════════════
   СТРАНИЦА ЛЕНДИНГА РАСШИРЕНИЯ (/{slug}/)
   ═══════════════════════════════════════════════════ */

.item-page {
  max-width: 1200px;
}

/* HERO */
.item-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: flex-start;
  background: linear-gradient(180deg, var(--card) 0%, var(--card2) 100%);
  border: 1px solid var(--border2);
  border-radius: 22px;
  padding: 40px;
  margin-bottom: 48px;
  position: relative;
  overflow: hidden;
}
.item-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 0% 0%, rgba(0,220,255,0.10), transparent 60%);
  pointer-events: none;
}
.item-hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--green));
}
.item-hero-main {
  position: relative;
  z-index: 1;
  min-width: 0;
}
.item-hero-cat {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--cyan);
  font-weight: 800;
  margin-bottom: 14px;
  text-shadow: 0 0 12px rgba(0,220,255,0.4);
}
.item-hero-title {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(90deg, var(--text) 0%, var(--cyan) 60%, var(--green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.item-hero-desc {
  color: #b8c2d4;
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 28px;
  white-space: pre-line;
}

.item-hero-actions {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.item-hero-price {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 22px;
  background: rgba(57,255,110,0.08);
  border: 1px solid rgba(57,255,110,0.35);
  border-radius: 12px;
}
.item-hero-price-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  font-weight: 600;
}
.item-hero-price-val {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--green);
  text-shadow: 0 0 14px rgba(57,255,110,0.5);
  letter-spacing: 0.5px;
}
.item-hero-order {
  padding: 16px 32px !important;
  font-size: 1rem !important;
}

.item-hero-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.item-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border2);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.25s ease;
}
.item-hero-secondary:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0,220,255,0.06);
}
.item-hero-secondary svg { flex-shrink: 0; }

.item-hero-icon {
  width: 140px;
  height: 140px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  overflow: hidden;
  box-shadow: 0 12px 40px var(--glow-c);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.item-hero-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* SECTION TITLE */
.item-section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border2);
}
.item-section-count {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(0,220,255,0.05);
}

/* GALLERY */
.item-gallery {
  margin-bottom: 48px;
}
.item-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.item-page-thumb {
  display: block;
  position: relative;
  background: #fff;
  border: 1px solid var(--border2);
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 1 / 1.414; /* A4 */
  transition: all 0.3s ease;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.item-page-thumb:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow:
    0 12px 32px rgba(0,0,0,0.5),
    0 0 24px var(--glow-c);
}
.item-page-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}
.item-page-num {
  position: absolute;
  bottom: 10px;
  right: 10px;
  padding: 4px 10px;
  background: rgba(8,11,18,0.85);
  color: var(--cyan);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  border: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

/* NO PDF */
.item-no-pdf {
  text-align: center;
  padding: 40px 24px;
  border: 1px dashed var(--border);
  border-radius: 16px;
  color: var(--muted);
  background: var(--card);
  margin-bottom: 48px;
}
.item-no-pdf p { margin: 6px 0; }
.item-no-pdf a { color: var(--cyan); text-decoration: none; }
.item-no-pdf a:hover { text-decoration: underline; }

/* NIZHNIY CTA */
.item-cta {
  text-align: center;
  padding: 48px 32px;
  border-radius: 20px;
  background:
    linear-gradient(180deg, var(--card) 0%, var(--card2) 100%),
    radial-gradient(ellipse at center, rgba(57,255,110,0.10), transparent 70%);
  border: 1px solid var(--border);
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.item-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(0,220,255,0.10), transparent 60%);
  pointer-events: none;
}
.item-cta h3 {
  position: relative;
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text);
}
.item-cta p {
  position: relative;
  color: var(--muted);
  margin-bottom: 24px;
  font-size: 1.05rem;
}
.item-cta .extension-link {
  position: relative;
  display: inline-block;
  padding: 16px 40px !important;
  font-size: 1.05rem !important;
  flex: none !important;
}

/* АДАПТИВ ДЛЯ ЛЕНДИНГА */
@media (max-width: 768px) {
  .item-hero {
    grid-template-columns: 1fr;
    padding: 28px 22px;
    gap: 24px;
  }
  .item-hero-icon {
    width: 100px;
    height: 100px;
    order: -1;
  }
  .item-hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
  .item-hero-price {
    text-align: center;
    align-items: center;
  }
  .item-hero-order {
    text-align: center;
  }
  .item-gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
  }
  .item-cta {
    padding: 36px 20px;
  }
  .item-cta h3 { font-size: 1.3rem; }
}

@media (max-width: 480px) {
  .item-gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
}