/* Импорт современного шрифта */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Основные стили для header */
.main-header {
    background: linear-gradient(135deg, #2a2d3a 0%, #212429 100%);
    box-shadow: 0 8px 25px rgb(59 61 97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
    color: #ffffff !important;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-brand:hover {
    transform: translateY(-2px);
    color: #7c3aed;
}

/* Стили для навигационных кнопок */
.navbar-nav .nav-item {
    margin: 0 0.25rem;
}

.navbar-nav .nav-link {
  position: relative;
      padding: 0.75rem 1.25rem !important;
      border-radius: 12px;
      font-weight: 500;
      font-size: 0.95rem;
      color: #dbdcdd !important;
      background-color: #1a1a1a;
      border: 1px solid rgb(105 113 223);
      text-decoration: none;
      transition: all 0.4s
  cubic-bezier(0.4, 0, 0.2, 1);
      display: flex;
      align-items: center;
      gap: 0.5rem;
      overflow: hidden;
      backdrop-filter: blur(10px);
      box-shadow: 0 8px 25px rgb(59 61 97);
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: #ffffff00;
    transition: left 0.6s ease;
    z-index: 0;
}

.navbar-nav .nav-link i {
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    position: relative;
}

.navbar-nav .nav-link:hover {
    /* transform: translateY(-3px) scale(1.02); */
    background-color: #1a1a1a;
    border-color: rgba(255, 255, 255, 0.2);
    color: #ffffff !important;
    box-shadow: 0 8px 25px rgb(59 61 97);
}

.navbar-nav .nav-link:hover::before {
    left: 100%;
}

.navbar-nav .nav-link:hover i {
    transform: scale(1.1) rotate(5deg);
    color: #6d73dc;
    text-shadow: 0 0 10px rgba(100, 255, 218, 0.5);
}

.navbar-nav .nav-link:active {
    transform: translateY(-1px) scale(0.98);
    transition-duration: 0.1s;
}

/* Специальные эффекты для разных кнопок */
.navbar-nav .nav-item:nth-child(1) .nav-link:hover {
    background-color: #1a1a1a;
    box-shadow: 0 8px 25px rgb(59 61 97);
}

.navbar-nav .nav-item:nth-child(2) .nav-link:hover {
    background-color: #1a1a1a;
    box-shadow: 0 8px 25px rgb(59 61 97);
}

.navbar-nav .nav-item:nth-child(3) .nav-link:hover {
    background-color: #1a1a1a;
    box-shadow: 0 8px 25px rgb(59 61 97);
}

.navbar-nav .nav-item:nth-child(4) .nav-link:hover {
    background-color: #1a1a1a;
    box-shadow: 0 8px 25px rgb(59 61 97);
}

.navbar-nav .nav-item:nth-child(5) .nav-link:hover {
    background-color: #1a1a1a;
    box-shadow: 0 8px 25px rgb(59 61 97);
}

/* Анимация появления кнопок */
.navbar-nav .nav-item {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.navbar-nav .nav-item:nth-child(1) { animation-delay: 0.1s; }
.navbar-nav .nav-item:nth-child(2) { animation-delay: 0.2s; }
.navbar-nav .nav-item:nth-child(3) { animation-delay: 0.3s; }
.navbar-nav .nav-item:nth-child(4) { animation-delay: 0.4s; }
.navbar-nav .nav-item:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Стили для мобильной версии */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(42, 45, 58, 0.95);
        backdrop-filter: blur(10px);
        border-radius: 12px;
        margin-top: 1rem;
        padding: 1rem;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .navbar-nav .nav-item {
        margin: 0.25rem 0;
        width: 100%;
    }

    .navbar-nav .nav-link {
        width: 100%;
        justify-content: flex-start;
    }
}

/* Кнопка toggler */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
    border-radius: 8px;
    background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
    transition: all 0.3s ease;
}

.navbar-toggler:hover {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    transform: scale(1.05);
}

.navbar-toggler:focus {
    box-shadow: 0 8px 25px rgb(59 61 97);
    outline: none;
}

/* Дополнительные эффекты */
.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #6d73dc;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
}

/* Глоу эффект для иконок */
@keyframes iconGlow {
    0%, 100% {
        text-shadow: 0 0 5px currentColor;
    }
    50% {
        text-shadow: 0 0 15px currentColor, 0 0 20px currentColor;
    }
}

.navbar-nav .nav-link:hover i {
    animation: iconGlow 2s infinite;
}

/* Пульсирующий эффект для активной кнопки */
.navbar-nav .nav-link.active {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: #ffffff !important;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 8px 25px rgb(59 61 97);
    }
    70% {
        box-shadow: 0 8px 25px rgb(59 61 97);
    }
    100% {
        box-shadow: 0 8px 25px rgb(59 61 97);
    }
}

/* Стили для модальных окон */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.main-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    z-index: 2001;
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #f44336;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: #ef4444;
    color: white;
    transform: rotate(90deg);
}

.modal-content {
    padding: 2rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* FAQ стили */
.faq-item {
    margin-bottom: 1.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #d1d5db;
}

.faq-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.faq-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.faq-question {
    font-weight: 600;
    color: #1f2937;
    margin: 0;
}

.faq-answer {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* Reliability стили */
.reliability-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.reliability-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.reliability-item h4 {
    font-weight: 600;
    color: #1f2937;
    margin: 1rem 0;
}

.reliability-item p {
    color: #6b7280;
    line-height: 1.6;
}

.reliability-icon {
    font-size: 3rem;
    color: #4f46e5;
    margin-bottom: 1rem;
}

/* Email форма */
.email-form {
    text-align: center;
}

.email-form h4 {
    color: #1f2937;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.email-form input {
    margin-bottom: 1rem;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.email-form input:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.email-form button {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.email-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

/* Links стили */
.links-modal {
    text-align: center;
}

.link-item {
    display: block;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.link-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}