/**
 * Карточки главной страницы v8.0
 * СПРАЙТ-ФОНЫ: эффектные анимированные градиенты
 * АДАПТИВНОСТЬ: 320px → 8K
 */

/* ============================================
   СКРЫТИЕ КАРТОЧЕК (для JS управления)
   ============================================ */
.auth-only {
  display: none !important;
}

.auth-only.show {
  display: flex !important;
}

/* Центрирование единственной карточки (авторизация) на десктопе */
@media (min-width: 768px) {
  .auth-card-centered {
    justify-self: center;
    align-self: center;
    max-width: 500px;
    width: 100%;
  }
}

/* ============================================
   ОБЁРТКА АВТОРИЗАЦИИ + КНОПКА МАКСА
   ============================================ */
.auth-wrapper {
  display: flex;
  gap: var(--card-gap);
  justify-content: center;
  align-items: stretch;
  width: 100%;
  grid-column: 1 / -1;
}

@media (min-width: 768px) {
  .auth-wrapper {
    max-width: 1040px;
    justify-self: center;
    align-self: center;
  }
}

.auth-wrapper .service-card {
  flex: 1;
  max-width: 500px;
}

.max-button {
  flex: 1;
  max-width: 500px;
  min-height: 180px;
  border-radius: 20px;
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  box-shadow:
    0 8px 0 rgba(0, 0, 0, 0.3),
    0 15px 30px var(--shadow-color),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 1.5rem;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.max-button:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow:
    0 12px 0 rgba(0, 0, 0, 0.3),
    0 25px 50px var(--shadow-color),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  border-color: var(--c-gold-1);
}

.max-button:active {
  transform: translateY(4px) scale(0.98);
  box-shadow:
    0 2px 0 rgba(0, 0, 0, 0.3),
    0 5px 15px var(--shadow-color);
}

.max-button-img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px var(--shadow-color));
  transition: transform 0.3s ease;
}

.max-button:hover .max-button-img {
  transform: scale(1.08);
}

/* ============================================
   ОСНОВНОЙ КОНТЕНТ (100% ШИРИНА)
   ============================================ */
.main-content {
  min-height: calc(100vh - 200px);
  padding: 40px 20px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.content-wrapper {
  width: 100%;
  max-width: var(--container-content);
  margin: 0 auto;
  display: grid;
  gap: var(--card-gap);
  /* По умолчанию 1 колонка (мобильные) */
  grid-template-columns: 1fr;
  min-height: calc(100vh - 300px);
  align-content: center;
}

/* ПК и планшеты - 2 колонки */
@media (min-width: 768px) {
  .content-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
}
  
/* Большие экраны - 2 колонки */
@media (min-width: 1920px) {
  .content-wrapper {
    max-width: 1600px;
  }
}

/* 2К экраны - 2 колонки */
@media (min-width: 2560px) {
  .content-wrapper {
    max-width: 2000px;
  }
}

/* 4К экраны - 3 колонки */
@media (min-width: 3840px) {
  .content-wrapper {
    grid-template-columns: repeat(3, 1fr);
    max-width: 2800px;
  }
}
  
/* ============================================
   КАРТОЧКИ — БАЗОВЫЕ СТИЛИ
   ============================================ */
.service-card {
  border-radius: 20px;
  padding: 1.5rem;
  text-align: center;
  border: 2px solid var(--border-color);
  box-shadow: 
    0 8px 0 rgba(0, 0, 0, 0.3),
    0 15px 30px var(--shadow-color),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  width: 100%;
  min-height: 180px;
  overflow: hidden;
  cursor: pointer;
  container-type: size;
}

/* Затемняющий оверлей для читаемости заголовка */
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.25) 0%, rgba(0, 0, 0, 0.55) 100%);
  pointer-events: none;
  z-index: 0;
  transition: background 0.4s ease;
}

/* Световая полоса сверху при наведении */
.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--c-gold-1), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 2;
}

.service-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow:
    0 12px 0 rgba(0, 0, 0, 0.3),
    0 25px 50px var(--shadow-color),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  border-color: var(--c-gold-1);
}

.service-card:hover::before {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.service-card:hover::after {
  opacity: 1;
}

.service-card:active {
  transform: translateY(4px) scale(0.98);
  box-shadow:
    0 2px 0 rgba(0, 0, 0, 0.3),
    0 5px 15px var(--shadow-color);
}

/* ============================================
   ЗАГОЛОВКИ — НА ВСЮ ШИРИНУ, ВЕРХНИЙ РЕГИСТР
   ============================================ */
.service-card h2 {
  position: relative;
  z-index: 1;
  width: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.05;
  font-size: clamp(1.2rem, min(9cqw, 22cqh), 10rem);
  margin: 0;
  padding: 0;
  overflow-wrap: break-word;
  hyphens: auto;
  text-shadow:
    0 2px 4px rgba(0, 0, 0, 0.8),
    0 0 20px rgba(212, 175, 55, 0.3);
  background: linear-gradient(180deg, var(--c-gold-2), var(--c-gold-1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all 0.3s ease;
}

[data-theme="light"] .service-card h2 {
  background: linear-gradient(180deg, var(--c-brown-1), var(--c-brown-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow:
    0 2px 4px rgba(255, 255, 255, 0.5),
    0 0 20px rgba(212, 175, 55, 0.2);
}

.service-card:hover h2 {
  letter-spacing: 0.08em;
  text-shadow:
    0 2px 6px rgba(0, 0, 0, 0.9),
    0 0 30px rgba(212, 175, 55, 0.5);
}

/* ============================================
   СПРАЙТ-ФОНЫ — АНИМИРОВАННЫЕ ГРАДИЕНТЫ
   ============================================ */

@keyframes spriteFlow {
  0%   { background-position:   0% 50%,   0% 50%,   0% 50%; }
  50%  { background-position: 100% 50%, 100% 50%, 100% 50%; }
  100% { background-position:   0% 50%,   0% 50%,   0% 50%; }
}

@keyframes spriteGlow {
  0%, 100% { filter: brightness(1) saturate(1); }
  50%      { filter: brightness(1.15) saturate(1.2); }
}

@keyframes spriteShimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* === АВТОРИЗАЦИЯ / ЛИЧНЫЙ КАБИНЕТ === */
.card-auth {
  background:
    radial-gradient(circle at 25% 30%, rgba(212, 175, 55, 0.35), transparent 55%),
    radial-gradient(circle at 75% 70%, rgba(139, 69, 19, 0.35), transparent 55%),
    linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 50%, #16213e 100%);
  background-size: 200% 200%, 200% 200%, 300% 300%;
  animation: spriteFlow 10s ease infinite, spriteGlow 5s ease-in-out infinite;
}

/* === ЗНАКОМСТВА === */
.card-znakomstva {
  background:
    radial-gradient(circle at 30% 40%, rgba(244, 79, 79, 0.4), transparent 55%),
    radial-gradient(circle at 70% 60%, rgba(236, 72, 153, 0.35), transparent 55%),
    linear-gradient(135deg, #2d0a1e 0%, #6e0d3a 50%, #c2185b 100%);
  background-size: 200% 200%, 200% 200%, 300% 300%;
  animation: spriteFlow 10s ease infinite, spriteGlow 5s ease-in-out infinite;
}

/* === ТОЧКА === */
.card-tochka {
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 152, 0, 0.35), transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(76, 175, 80, 0.35), transparent 55%),
    linear-gradient(135deg, #1b1b0a 0%, #3d2b0f 50%, #5d4037 100%);
  background-size: 200% 200%, 200% 200%, 300% 300%;
  animation: spriteFlow 10s ease infinite, spriteGlow 5s ease-in-out infinite;
}

/* === ГЛОБАЛЬНЫЙ ФОРУМ === */
.card-forum {
  background:
    radial-gradient(circle at 30% 35%, rgba(33, 150, 243, 0.35), transparent 55%),
    radial-gradient(circle at 70% 65%, rgba(212, 175, 55, 0.3), transparent 55%),
    linear-gradient(135deg, #0a0a1a 0%, #0a1a3e 50%, #1a2a5e 100%);
  background-size: 200% 200%, 200% 200%, 300% 300%;
  animation: spriteFlow 10s ease infinite, spriteGlow 5s ease-in-out infinite;
}

/* === LODKITV === */
.card-tv {
  background:
    radial-gradient(circle at 25% 30%, rgba(244, 67, 54, 0.35), transparent 55%),
    radial-gradient(circle at 75% 70%, rgba(121, 85, 72, 0.35), transparent 55%),
    linear-gradient(135deg, #1a0a0a 0%, #2e0a0a 50%, #4e1a1a 100%);
  background-size: 200% 200%, 200% 200%, 300% 300%;
  animation: spriteFlow 10s ease infinite, spriteGlow 5s ease-in-out infinite;
}

/* ============================================
   ЭФФЕКТ БЛИКА ПРИ НАВЕДЕНИИ
   ============================================ */
.service-card .sprite-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255, 255, 255, 0.08) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  pointer-events: none;
  z-index: 1;
}

.service-card:hover .sprite-shimmer {
  animation: spriteShimmer 1.2s ease;
}

/* ============================================
   АДАПТИВНОСТЬ КАРТОЧЕК
   ============================================ */

/* Телефоны — 1 колонка */
@media (max-width: 767px) {
  .content-wrapper {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .service-card {
    padding: 1rem;
    min-height: 140px;
  }

  .service-card h2 {
    letter-spacing: 0.02em;
  }
}

/* Маленькие телефоны */
@media (max-width: 480px) {
  .main-content {
    padding: 20px 15px;
  }

  .service-card {
    padding: 0.75rem;
    min-height: 120px;
  }

  .service-card h2 {
    letter-spacing: 0.01em;
  }
}

/* Очень маленькие экраны */
@media (max-width: 320px) {
  .main-content {
    padding: 15px 10px;
  }

  .service-card {
    padding: 0.5rem;
    min-height: 100px;
    border-radius: 14px;
  }
  
  .service-card h2 {
    letter-spacing: 0;
  }
}

/* === Большие экраны — масштабирование === */
@media (min-width: 1920px) {
  .service-card {
    padding: 2rem;
    min-height: 220px;
  }
  
  .service-card h2 {
    letter-spacing: 0.05em;
  }
}

@media (min-width: 2560px) {
  .service-card {
    padding: 2.5rem;
    min-height: 260px;
    border-radius: 24px;
  }

  .service-card h2 {
    letter-spacing: 0.06em;
  }
}

@media (min-width: 3840px) {
  .service-card {
    padding: 3.5rem;
    min-height: 340px;
    border-radius: 28px;
    border-width: 3px;
  }

  .service-card h2 {
    letter-spacing: 0.07em;
  }
}

@media (min-width: 7680px) {
  .service-card {
    padding: 5rem;
    min-height: 500px;
    border-radius: 40px;
    border-width: 4px;
  }

  .service-card h2 {
    letter-spacing: 0.08em;
  }
}