/* ============================================================
   💳 PAYMENT.CSS - СТИЛИ СТРАНИЦЫ "ОПЛАТА"
   Версия: 2.0 (Объединенная)
   ============================================================ */

/* ============================================================ */
/*  🏷️ ЗАГОЛОВОК СТРАНИЦЫ (HEADER)                             */
/* ============================================================ */

.payment-section-header {
  text-align: center;
  padding: 2.5rem 2rem;
  margin-bottom: 2.5rem;
  background: var(--card-bg);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--glass-border);
  border-radius: 2rem;
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}

/* ===== ГРАДИЕНТНАЯ ЛИНИЯ СВЕРХУ ===== */
.payment-section-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-main), transparent);
  opacity: 0.5;
  z-index: 1;
  transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-section-header:hover::before { opacity: 1; }

/* ===== МИКРО-БЛИК ===== */
.payment-section-header::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    ellipse at 20% 20%,
    rgba(255, 255, 255, 0.06) 0%,
    rgba(255, 255, 255, 0.02) 30%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-section-header:hover::after { opacity: 1; }

/* ===== ИКОНКА В ЗАГОЛОВКЕ ===== */
.payment-header-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.8rem;
  color: var(--accent-main);
  stroke: var(--accent-main);
  position: relative;
  z-index: 1;
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.payment-header-icon svg {
  width: 64px;
  height: 64px;
  stroke: var(--accent-main);
  filter: drop-shadow(0 0 20px rgba(var(--accent-rgb), 0.15));
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.payment-section-header:hover .payment-header-icon svg {
  transform: scale(1.08) rotate(-3deg) translateY(-4px);
  filter: drop-shadow(0 0 40px rgba(var(--accent-rgb), 0.35));
}

/* ===== АНИМАЦИЯ МОЛНИИ ===== */
.payment-header-icon svg polygon {
  stroke-dasharray: 20;
  stroke-dashoffset: 20;
  animation: lightningFlash 3s ease-in-out infinite;
}

@keyframes lightningFlash {
  0%, 85%, 100% { stroke-dashoffset: 20; opacity: 0.6; }
  90%, 95% { stroke-dashoffset: 0; opacity: 1; }
}

/* ===== ЗАЛИВКА ЭЛЕМЕНТОВ ИКОНКИ ===== */
.payment-header-icon svg circle[fill="currentColor"] {
  fill: var(--accent-main);
  transition: fill 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-section-header:hover .payment-header-icon svg circle[fill="currentColor"] {
  fill: var(--accent-light);
}

/* ===== ТЕКСТ ЗАГОЛОВКА ===== */
.payment-title {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-main));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  z-index: 1;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.payment-subtitle {
  color: var(--text-secondary);
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  margin-top: 0.3rem;
  position: relative;
  z-index: 1;
}

/* ===== ДОПОЛНИТЕЛЬНОЕ ОПИСАНИЕ ===== */
.payment-description {
  color: var(--text-secondary);
  font-size: clamp(0.85rem, 1.6vw, 1rem);
  margin-top: 0.8rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  opacity: 0.8;
  position: relative;
  z-index: 1;
}

/* ============================================================ */
/*  📱 КОНТЕЙНЕР QR-КОДА                                        */
/* ============================================================ */

.payment-qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--card-bg);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 2px solid var(--accent-border);
  border-radius: 2rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  max-width: 100%;
  width: 100%;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

/* ===== МИКРО-БЛИК ДЛЯ QR-КОНТЕЙНЕРА ===== */
.payment-qr-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    ellipse at 20% 20%,
    rgba(255, 255, 255, 0.06) 0%,
    rgba(255, 255, 255, 0.02) 30%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 1;
  opacity: 0.4;
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-qr-container:hover::before { opacity: 1; }

/* ===== ГРАДИЕНТНАЯ ЛИНИЯ СВЕРХУ ===== */
.payment-qr-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-main), transparent);
  opacity: 0.3;
  z-index: 2;
  transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-qr-container:hover::after { opacity: 0.9; }

.payment-qr-container:hover {
  transform: translateY(-4px);
  border-color: var(--accent-border-hover);
  box-shadow: var(--shadow-hover);
}

.payment-qr-image {
  width: 220px;
  height: 220px;
  display: block;
  border-radius: 1rem;
  background: #fff;
  padding: 0.5rem;
  object-fit: contain;
  max-width: 100%;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  z-index: 3;
}

.payment-qr-container:hover .payment-qr-image {
  transform: scale(1.02);
}

/* ===== ПОДПИСЬ ПОД QR-КОДОМ ===== */
.payment-qr-label {
  margin-top: 0.8rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  position: relative;
  z-index: 3;
}

.payment-qr-label i {
  color: var(--accent-main);
  margin-right: 0.4rem;
}

/* ============================================================ */
/*  💰 КАРТОЧКИ СПОСОБОВ ОПЛАТЫ                                */
/* ============================================================ */

.payment-method {
  background: var(--card-bg);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  padding: 1.2rem 1.5rem;
  transition: all 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: var(--shadow);
  transform: translateZ(0);
  will-change: transform;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

/* ===== ГРАДИЕНТНАЯ ЛИНИЯ СВЕРХУ ===== */
.payment-method::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-main), transparent);
  opacity: 0.3;
  z-index: 1;
  transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-method:hover::before { opacity: 0.9; }

/* ===== МИКРО-БЛИК ===== */
.payment-method::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    ellipse at 20% 20%,
    rgba(255, 255, 255, 0.04) 0%,
    rgba(255, 255, 255, 0.01) 30%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-method:hover::after { opacity: 1; }

.payment-method:hover {
  background: var(--glass-bg);
  border-color: var(--accent-border-hover);
  transform: translateY(-4px) translateZ(0);
  box-shadow: var(--shadow-hover);
}

/* ===== НОМЕР СПОСОБА ОПЛАТЫ ===== */
.payment-method-number {
  position: absolute;
  top: 0.8rem;
  right: 1rem;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
  opacity: 0.2;
  letter-spacing: 0.05em;
  z-index: 2;
}

/* ===== ИКОНКА СПОСОБА ОПЛАТЫ ===== */
.payment-method-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  color: var(--accent-main);
  stroke: var(--accent-main);
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  z-index: 2;
}

.payment-method-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--accent-main);
  filter: drop-shadow(0 0 12px rgba(var(--accent-rgb), 0.12));
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.payment-method:hover .payment-method-icon svg {
  transform: scale(1.12) rotate(-4deg);
  filter: drop-shadow(0 0 25px rgba(var(--accent-rgb), 0.3));
}

.payment-method-icon svg circle[fill="currentColor"] {
  fill: var(--accent-main);
  transition: fill 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-method:hover .payment-method-icon svg circle[fill="currentColor"] {
  fill: var(--accent-light);
}

/* ===== МИКРО-БЛИК ДЛЯ ИКОНКИ ===== */
.payment-method-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    ellipse at 30% 30%,
    rgba(255, 255, 255, 0.08) 0%,
    transparent 60%
  );
  pointer-events: none;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-method:hover .payment-method-icon::before { opacity: 1; }

/* ===== ТЕКСТ В КАРТОЧКЕ ===== */
.payment-method-content {
  position: relative;
  z-index: 2;
  flex: 1;
}

.payment-method-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.05rem;
}

.payment-method-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.payment-method-desc strong {
  color: var(--accent-main);
}

/* ============================================================ */
/*  📋 БЛОК РЕКВИЗИТОВ                                          */
/* ============================================================ */

.payment-details {
  background: var(--card-bg);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  padding: 1.2rem 1.5rem;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
  will-change: transform;
}

.payment-details::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-main), transparent);
  opacity: 0.3;
  z-index: 1;
  transition: opacity 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.payment-details:hover {
  background: var(--glass-bg);
  border-color: var(--accent-border-hover);
  transform: translateY(-4px) translateZ(0);
  box-shadow: var(--shadow-hover);
}

.payment-details:hover::before { opacity: 0.9; }

.payment-details-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
}

.payment-detail-item {
  display: flex;
  flex-direction: column;
}

.payment-detail-label {
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.payment-detail-value {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1.05rem;
}

/* ============================================================ */
/*  🔗 ССЫЛКА НА ОПЛАТУ                                         */
/* ============================================================ */

.payment-link-wrap {
  text-align: center;
  margin: 1.5rem 0 2rem;
}

.payment-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--accent-btn);
  color: #fff;
  padding: 0.8rem 2rem;
  border-radius: 40px;
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 4px 20px var(--accent-shadow);
  position: relative;
  overflow: hidden;
}

/* ===== МИКРО-БЛИК ДЛЯ КНОПКИ ===== */
.payment-link::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    ellipse at 30% 30%,
    rgba(255, 255, 255, 0.15) 0%,
    transparent 60%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-link:hover::before { opacity: 1; }

.payment-link:hover {
  background: var(--accent-btn-hover);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 35px var(--accent-shadow-hover);
}

.payment-link:active {
  transform: scale(0.96);
}

.payment-link i {
  font-size: 1.1rem;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.payment-link:hover i {
  transform: translateX(4px);
}

/* ===== АНИМАЦИЯ ПУЛЬСАЦИИ ===== */
.payment-link.pulse {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* ===== КОПИРОВАНИЕ ССЫЛКИ ===== */
.copy-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.3rem 1rem;
  font-size: 0.8rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 40px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  font-family: inherit;
}

.copy-link-btn:hover {
  background: var(--glass-border);
  border-color: var(--accent-border-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.copy-link-btn i {
  font-size: 0.8rem;
}

/* ===== ССЫЛКА В ТЕКСТОВОМ ВИДЕ ===== */
.payment-link-text {
  margin-top: 0.8rem;
  font-size: 0.7rem;
  color: var(--text-secondary);
  word-break: break-all;
  background: var(--glass-bg);
  padding: 0.5rem 1rem;
  border-radius: 0.8rem;
  border: 1px solid var(--glass-border);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================================ */
/*  📌 ПРИМЕЧАНИЕ                                               */
/* ============================================================ */

.payment-note {
  text-align: center;
  padding: 1rem;
  border: 1px dashed var(--accent-border);
  background: var(--accent-glass);
  border-radius: 1rem;
}

.payment-note p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.payment-note i {
  color: var(--accent-main);
  margin-right: 0.4rem;
}

/* ============================================================ */
/*  🏷️ ЗАГОЛОВКИ В СЕКЦИИ (H3)                                 */
/* ============================================================ */

.payment-section-title {
  color: var(--text-primary);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.payment-section-title i {
  color: var(--accent-main);
}

/* ============================================================ */
/*  📱 АДАПТИВНОСТЬ                                             */
/* ============================================================ */

/* ===== ПЛАНШЕТЫ (до 768px) ===== */
@media (max-width: 768px) {
  .payment-section-header {
    padding: 2rem 1.5rem;
    border-radius: 1.75rem;
    margin-bottom: 2rem;
  }
  .payment-header-icon svg { width: 54px; height: 54px; }
  .payment-title { font-size: clamp(1.4rem, 3.5vw, 2rem); }
  .payment-subtitle { font-size: clamp(0.9rem, 1.8vw, 1.05rem); }
  
  .payment-qr-image { width: 190px; height: 190px; }
  .payment-qr-container { padding: 1.2rem; }
  
  .payment-method { padding: 1rem 1.2rem; gap: 0.8rem; }
  .payment-method-icon { width: 44px; height: 44px; }
  .payment-method-icon svg { width: 36px; height: 36px; }
  .payment-method-desc { font-size: 0.9rem; }
  
  .payment-details { padding: 1rem 1.2rem; }
}

/* ===== МОБИЛЬНЫЕ УСТРОЙСТВА (до 640px) ===== */
@media (max-width: 640px) {
  .payment-section-header {
    padding: 1.5rem 1rem;
    border-radius: 1.5rem;
    margin-bottom: 1.5rem;
  }
  .payment-header-icon { margin-bottom: 0.6rem; }
  .payment-header-icon svg { width: 44px; height: 44px; }
  .payment-title { font-size: clamp(1.2rem, 3.2vw, 1.6rem); }
  .payment-subtitle {
    font-size: clamp(0.8rem, 2vw, 0.95rem);
    margin-top: 0.2rem;
  }
  .payment-header-icon svg polygon { animation-duration: 4s; }
  
  .payment-qr-image { width: 160px; height: 160px; }
  .payment-qr-container { padding: 1rem; border-radius: 1.5rem; }
  
  .payment-method {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
    gap: 0.6rem;
    border-radius: 1.25rem;
  }
  .payment-method-content { text-align: center; }
  .payment-method-icon { width: 40px; height: 40px; }
  .payment-method-icon svg { width: 32px; height: 32px; }
  .payment-method-number { display: none; }
  
  .payment-link {
    font-size: 1rem;
    padding: 0.6rem 1.5rem;
    width: 100%;
    justify-content: center;
  }
  
  .payment-details-grid {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .payment-details { padding: 1rem; border-radius: 1.2rem; }
  
  .payment-section-title { font-size: 1.1rem; gap: 0.5rem; }
}

/* ===== МАЛЕНЬКИЕ СМАРТФОНЫ (до 480px) ===== */
@media (max-width: 480px) {
  .payment-section-header {
    padding: 1.2rem 0.8rem;
    border-radius: 1.25rem;
    margin-bottom: 1.2rem;
  }
  .payment-header-icon svg { width: 38px; height: 38px; }
  .payment-title { font-size: clamp(1rem, 2.8vw, 1.3rem); }
  .payment-subtitle { font-size: clamp(0.7rem, 1.8vw, 0.85rem); }
  .payment-header-icon svg polygon { animation-duration: 5s; }
  
  .payment-qr-image { width: 130px; height: 130px; padding: 0.3rem; }
  .payment-qr-container { padding: 0.8rem; border-radius: 1.2rem; }
  
  .payment-method {
    padding: 0.8rem;
    gap: 0.5rem;
    border-radius: 1rem;
  }
  .payment-method-icon { width: 36px; height: 36px; }
  .payment-method-icon svg { width: 28px; height: 28px; }
  .payment-method-title { font-size: 0.95rem; }
  .payment-method-desc { font-size: 0.85rem; }
  
  .payment-link {
    font-size: 0.9rem;
    padding: 0.5rem 1.2rem;
    gap: 0.5rem;
  }
  .payment-link i { font-size: 1rem; }
  
  .payment-details {
    padding: 0.8rem;
    border-radius: 1rem;
  }
  .payment-detail-value { font-size: 0.9rem; }
  .payment-detail-label { font-size: 0.7rem; }
  
  .payment-section-title { font-size: 1rem; gap: 0.4rem; }
  .payment-section-title i { font-size: 0.9rem; }
  
  .payment-link-text { font-size: 0.6rem; padding: 0.3rem 0.8rem; }
  .copy-link-btn { font-size: 0.7rem; padding: 0.2rem 0.8rem; }
  .payment-note p { font-size: 0.75rem; }
}

/* ===== ОЧЕНЬ МАЛЕНЬКИЕ ЭКРАНЫ (до 360px) ===== */
@media (max-width: 360px) {
  .payment-section-header {
    padding: 1rem 0.6rem;
    border-radius: 1rem;
  }
  .payment-header-icon svg { width: 32px; height: 32px; }
  .payment-title { font-size: 0.95rem; }
  .payment-subtitle { font-size: 0.7rem; }
  
  .payment-qr-image { width: 110px; height: 110px; }
  .payment-qr-container { padding: 0.6rem; border-radius: 1rem; }
  
  .payment-method {
    padding: 0.6rem;
    border-radius: 0.8rem;
  }
  .payment-method-icon { width: 32px; height: 32px; }
  .payment-method-icon svg { width: 24px; height: 24px; }
  .payment-method-title { font-size: 0.85rem; }
  .payment-method-desc { font-size: 0.8rem; }
  
  .payment-link {
    font-size: 0.8rem;
    padding: 0.4rem 1rem;
  }
  
  .payment-details { padding: 0.6rem; }
  .payment-detail-value { font-size: 0.8rem; }
  .payment-section-title { font-size: 0.9rem; }
}

/* ===== БОЛЬШИЕ ЭКРАНЫ (от 1400px) ===== */
@media (min-width: 1400px) {
  .payment-section-header {
    padding: 3rem 2.5rem;
    border-radius: 2.5rem;
  }
  .payment-header-icon svg { width: 80px; height: 80px; }
  
  .payment-qr-image { width: 280px; height: 280px; }
  .payment-qr-container { padding: 2rem; border-radius: 2.5rem; }
  
  .payment-method {
    padding: 1.5rem 2rem;
    border-radius: 2rem;
  }
  .payment-method-icon svg { width: 48px; height: 48px; }
  .payment-method-icon { width: 56px; height: 56px; }
  
  .payment-details {
    padding: 1.5rem 2rem;
    border-radius: 2rem;
  }
  
  .payment-link {
    font-size: 1.3rem;
    padding: 1rem 2.5rem;
  }
}