/* styles.css - Обновленная версия */

:root {
    --primary: #0d6efd;
    --primary-dark: #0b5ed7;
    --secondary: #6c757d;
    --dark: #212529;
    --light: #f8f9fa;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', 'Roboto', 'Montserrat', 'Arial', sans-serif;
    overflow-x: hidden;
}

/* Плавная прокрутка */
html {
    scroll-padding-top: 70px; /* Отступ для фиксированной навигации */
}

/* Hero секция с параллакс эффектом */
.hero {
    min-height: 80vh;
    background-size: cover;
    background-position: center;
    position: relative;
    background-attachment: fixed; /* Эффект параллакса */
}

@keyframes zoomIn {
    from { transform: scale(1); }
    to { transform: scale(1.05); }
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 100%);
}

.hero .container {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero .lead {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* Блок услуг (теги) */
.services-block {
    background-color: var(--light);
}

.services-block .services-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.services-block .services-description {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--secondary);
    line-height: 1.6;
    margin-bottom: 30px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.services-block .services-description ul {
    text-align: left;
    list-style-type: disc;
    padding-left: 1.5em;
    margin: 1em 0;
}

.services-block .services-description li {
    margin-bottom: 0.5em;
}

.services-block .services-description h4 {
    text-align: center;
    margin-top: 1.5em;
    margin-bottom: 0.75em;
    color: var(--dark);
}

.services-block .services-description p {
    text-align: center;
}

.service-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 25px;
    font-size: 0.95rem;
    color: var(--dark);
    transition: var(--transition);
}

.service-tag:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

.service-tag i {
    font-size: 1.1rem;
    color: var(--primary);
}

.service-tag:hover i {
    color: white;
}

/* Навигация */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    position: relative;
    font-weight: 500;
    margin: 0 5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 30px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-link.active {
    color: var(--dark) !important;
    font-weight: 600;
}

.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Карточки услуг */
#services .card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

#services .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    opacity: 0;
    z-index: -1;
    transition: var(--transition);
}

#services .card:hover {
    transform: translateY(-10px);
    color: white;
}

#services .card:hover::before {
    opacity: 1;
}

#services .card:hover .text-primary {
    color: white !important;
}

#services .card:hover .text-muted {
    color: rgba(255,255,255,0.9) !important;
}

#services .card:hover .card-footer {
    background: transparent !important;
    color: white;
}

#services .card i {
    transition: var(--transition);
}

/* Портфолио карусель */
#portfolio {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.carousel-inner {
    overflow: hidden;
    position: relative;
}

.carousel-item {
    transition: none !important;
    transform: none !important;
}

.carousel-item:not(.active) {
    display: none;
}

.carousel-item.active {
    display: block;
}

.carousel-item img {
    border-radius: 15px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
    transition: var(--transition);
    object-fit: cover;
    height: 400px;
    width: 100%;
}

.carousel-item img:hover {
    transform: scale(1.02);
}

/* Адаптив для мобильных */
@media (max-width: 768px) {
    .carousel-item img {
        height: 250px;
    }
}

.carousel-control-prev,
.carousel-control-next {
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.8;
}

.carousel-control-prev {
    left: -25px;
}

.carousel-control-next {
    right: -25px;
}

/* Преимущества */
#advantages ul {
    list-style: none;
    padding: 0;
}

#advantages li {
    padding: 15px 20px;
    margin-bottom: 10px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

#advantages li:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 25px rgba(13,110,253,0.2);
}

#advantages li::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 25px;
    height: 25px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
}

/* Форма */
#application-form {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

#application-form::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

#application-form .container {
    position: relative;
    z-index: 1;
}

#application-form form {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255,255,255,0.2);
}

#application-form input {
    background: rgba(255,255,255,0.9);
    border: none;
    border-radius: 10px;
    padding: 12px 15px;
    transition: var(--transition);
}

#application-form input:focus {
    box-shadow: 0 0 0 3px rgba(255,255,255,0.3);
    outline: none;
}

#application-form button {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

#application-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Футер */
footer {
    background: var(--dark);
    color: white;
}

footer a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary);
}

/* Анимации при прокрутке */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Медиа запросы */
@media (max-width: 768px) {
    .hero {
        background-attachment: scroll; /* Отключаем параллакс на мобильных */
        min-height: 60vh;
    }
    
    .carousel-control-prev {
        left: 10px;
    }
    
    .carousel-control-next {
        right: 10px;
    }
    
    #advantages li {
        padding: 12px 15px;
    }
    
    #application-form form {
        padding: 20px;
    }
}

/* Кастомный скроллбар */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Кнопка "Наверх" */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border: none;
    z-index: 1000;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* Формы сотрудничества и вакансий */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: #dc3545;
    background-image: none;
}

.invalid-feedback {
    display: block;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* Стили для карточки формы */
.card {
    border-radius: 15px;
}

.card-body {
    border-radius: 15px;
}

/* Анимация кнопки при отправке */
.btn:disabled {
    cursor: not-allowed;
}

.btn .spinner-border {
    margin-left: 8px;
}

/* Breadcrumb стили */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

.breadcrumb-item a {
    color: var(--primary);
}

.breadcrumb-item.active {
    color: var(--secondary);
}

/* Адаптивность для footer ссылок */
@media (max-width: 576px) {
    footer .d-flex {
        flex-direction: column;
        gap: 10px !important;
        align-items: flex-start !important;
    }

    footer .d-flex a {
        padding: 5px 0;
    }
}