/* ============================================================
   СТРАНИЦА «ПОЛИТИКА КОНФИДЕНЦИАЛЬНОСТИ»
   Концепция: читабельный юридический текст с оглавлением,
   карточками-разделами и визуальными якорями.
   ============================================================ */


/* ============================================================
   1. ЗАГОЛОВОК СТРАНИЦЫ
   ============================================================ */
.privacy-hero {
  padding: 3rem 0 2rem;
  text-align: center;
  position: relative;
}

.privacy-hero__date {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--pink-accent);
  background: rgba(var(--accent-purple-rgb), 0.1);
  border: 1px solid rgba(var(--accent-purple-rgb), 0.25);
  padding: 0.4rem 1.2rem;
  border-radius: 20px;
  margin-bottom: 1rem;
  font-weight: 500;
}

.privacy-hero__intro {
  max-width: 700px;
  margin: 1rem auto 0;
  font-size: 1.05rem;
  opacity: 0.85;
  line-height: 1.7;
}


/* ============================================================
   2. ОСНОВНАЯ СЕТКА: ОГЛАВЛЕНИЕ + КОНТЕНТ
   ============================================================ */
.privacy-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  padding: 2rem 0 4rem;
  align-items: start;
}


/* ============================================================
   3. ОГЛАВЛЕНИЕ (STICKY)
   ============================================================ */
.toc {
  position: sticky;
  top: 100px;
  background: rgba(26, 26, 46, 0.7);
  backdrop-filter: blur(8px) saturate(140%);
  -webkit-backdrop-filter: blur(8px) saturate(140%);
  border: 1px solid rgba(var(--accent-purple-rgb), 0.2);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  overflow: hidden;
  isolation: isolate;
}

/* Шум на оглавлении */
.toc::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.04;
  pointer-events: none;
  mix-blend-mode: overlay;
  z-index: 1;
}

.toc__title {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--pink-accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  z-index: 2;
}

.toc__title i {
  filter: drop-shadow(0 0 4px rgba(var(--accent-purple-rgb), 0.6));
}

.toc__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  position: relative;
  z-index: 2;
}

.toc__link {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--light-gray);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
  opacity: 0.8;
}

.toc__link:hover {
  opacity: 1;
  background: rgba(var(--accent-purple-rgb), 0.1);
  border-left-color: var(--accent-purple);
  color: var(--accent-purple);
  padding-left: 1rem;
}

.toc__link.active {
  opacity: 1;
  background: rgba(var(--accent-purple-rgb), 0.15);
  border-left-color: var(--accent-purple);
  color: var(--accent-purple);
  font-weight: 600;
}


/* ============================================================
   4. КОНТЕНТ: КАРТОЧКИ-РАЗДЕЛЫ
   ============================================================ */
.privacy-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.privacy-section {
  position: relative;
  background: rgba(26, 26, 46, 0.7);
  backdrop-filter: blur(8px) saturate(140%);
  -webkit-backdrop-filter: blur(8px) saturate(140%);
  border: 1px solid rgba(var(--accent-purple-rgb), 0.2);
  border-radius: var(--border-radius);
  padding: 2rem;
  overflow: hidden;
  isolation: isolate;
  scroll-margin-top: 120px; /* отступ для sticky-хедера */
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base);
}

/* Шум на карточке */
.privacy-section::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.04;
  pointer-events: none;
  mix-blend-mode: overlay;
  z-index: 1;
}

.privacy-section:hover {
  border-color: rgba(var(--accent-purple-rgb), 0.4);
  box-shadow: 0 0 25px rgba(var(--accent-purple-rgb), 0.15);
}

.privacy-section__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 2;
}

.privacy-section__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent-purple), var(--pink-accent));
  border-radius: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--dark-purple);
  box-shadow: 0 0 15px rgba(var(--accent-purple-rgb), 0.4);
}

.privacy-section__title {
  font-size: 1.4rem;
  margin: 0;
  background: linear-gradient(135deg, var(--accent-purple), var(--pink-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.privacy-section__body {
  position: relative;
  z-index: 2;
  font-size: 1rem;
  line-height: 1.8;
  opacity: 0.9;
}

.privacy-section__body p {
  margin-bottom: 1rem;
}

.privacy-section__body p:last-child {
  margin-bottom: 0;
}

/* Списки внутри разделов */
.privacy-section__body ul,
.privacy-section__body ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.privacy-section__body li {
  margin-bottom: 0.5rem;
  padding-left: 0.5rem;
  position: relative;
}

.privacy-section__body ul li::before {
  content: '•';
  color: var(--accent-purple);
  font-weight: bold;
  position: absolute;
  left: -1.2rem;
  text-shadow: 0 0 6px rgba(var(--accent-purple-rgb), 0.6);
}

/* Ссылки внутри текста */
.privacy-section__body a {
  color: var(--accent-purple);
  text-decoration: underline;
  text-decoration-color: rgba(var(--accent-purple-rgb), 0.4);
  text-underline-offset: 3px;
  transition: all var(--transition-fast);
}

.privacy-section__body a:hover {
  color: var(--pink-accent);
  text-decoration-color: var(--pink-accent);
}


/* ============================================================
   5. БЛОК КОНТАКТОВ В КОНЦЕ
   ============================================================ */
.privacy-contacts {
  position: relative;
  background: linear-gradient(
    135deg,
    rgba(var(--accent-purple-rgb), 0.12) 0%,
    rgba(26, 26, 46, 0.7) 100%
  );
  backdrop-filter: blur(8px) saturate(140%);
  -webkit-backdrop-filter: blur(8px) saturate(140%);
  border: 1px solid rgba(var(--accent-purple-rgb), 0.3);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

.privacy-contacts::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.04;
  pointer-events: none;
  mix-blend-mode: overlay;
  z-index: 1;
}

.privacy-contacts h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 2;
  background: linear-gradient(135deg, var(--accent-purple), var(--pink-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.privacy-contacts__links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.privacy-contacts__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--light-gray);
  text-decoration: none;
  padding: 0.6rem 1.2rem;
  background: rgba(26, 26, 46, 0.6);
  border: 1px solid rgba(var(--accent-purple-rgb), 0.25);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

.privacy-contacts__link i {
  color: var(--accent-purple);
  filter: drop-shadow(0 0 4px rgba(var(--accent-purple-rgb), 0.6));
}

.privacy-contacts__link:hover {
  border-color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(var(--accent-purple-rgb), 0.25);
}


/* ============================================================
   6. КНОПКА «НАВЕРХ»
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--accent-purple);
  color: var(--dark-purple);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: 0 0 20px rgba(var(--accent-purple-rgb), 0.5);
  z-index: 90;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 0 30px rgba(var(--accent-purple-rgb), 0.7);
}


/* ============================================================
   7. SCROLL-DRIVEN АНИМАЦИИ
   ============================================================ */
@supports (animation-timeline: view()) {
  .privacy-section {
    opacity: 0;
    animation: fade-up linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 30%;
  }
}

@supports not (animation-timeline: view()) {
  .privacy-section {
    opacity: 1;
  }
}


/* ============================================================
   8. АДАПТИВНОСТЬ
   ============================================================ */
@media (max-width: 900px) {
  .privacy-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .toc {
    position: relative;
    top: 0;
  }
}

@media (max-width: 600px) {
  .privacy-section {
    padding: 1.5rem 1.25rem;
  }

  .privacy-section__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .privacy-section__title {
    font-size: 1.2rem;
  }

  .privacy-contacts__links {
    flex-direction: column;
    align-items: stretch;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}


/* ============================================================
   9. ДОСТУПНОСТЬ
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .privacy-section {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

  .back-to-top {
    transition: none !important;
  }
}