/* ============================================
   ОСНОВНЫЕ СТИЛИ С ФИКСИРОВАННЫМ ФОНОМ
   =========================================== */

@import url('variables.css');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

/* ============================================
   ПАРАЛЛАКС-ВИДЕО ФОН (главный)
   =========================================== */

/* Убираем конфликты */
body {
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    position: relative;
    overflow-x: hidden;
    background: none;  /* чистый фон для видео */
}

/* ВИДЕО-ФОН */
#bg-video {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;  /* самый нижний слой */
    will-change: transform;
}

/* ЕДИНЫЙ ОВЕРЛЕЙ (затемнение) */
body::before {
    content: '';
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0);  /* 55% затемнение */
    z-index: -1;
    pointer-events: none;
}

/* Fallback фото (если видео не загрузится) */
#bg-video:not([src]) {
    background: url('../images/background.jpg') center/cover fixed;
}

/* ===== КОНТЕЙНЕР ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===== НАВИГАЦИЯ (остается непрозрачной) ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    background: var(--color-dark);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
}

.navbar {
    padding: 1rem 0;
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-links a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.burger span {
    width: 25px;
    height: 3px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ===== HERO SECTION (полупрозрачная) ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: rgba(26, 32, 44, 0.75); /* Полупрозрачный фон */
    backdrop-filter: blur(5px);
    color: var(--color-white);
    padding-top: 80px;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.hero-text h1 {
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extra-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-lg);
}

.hero-text p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.badge-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
}

.badge-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.badge-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
}

.badge-sub {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ===== КНОПКИ ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 68, 68, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-dark);
}

.btn-filter {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-dark);
    border-color: var(--color-border);
    padding: var(--spacing-sm) var(--spacing-lg);
}

.btn-filter.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-full {
    width: 100%;
}

/* ===== СЕКЦИИ В СТИЛЕ HERO ===== */
.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
    background: rgba(26, 32, 44, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.section-light {
    background: rgba(26, 32, 44, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.section-gray {
    background: rgba(26, 32, 44, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.section-dark {
    background: rgba(26, 32, 44, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--color-white);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Fallback для браузеров без поддержки backdrop-filter */
@supports not (backdrop-filter: blur(10px)) {
    .section,
    .section-light,
    .section-gray {
        background: rgba(26, 32, 44, 0.95);
    }
    .section-dark {
        background: rgba(26, 32, 44, 0.98);
    }
}

.section-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.97);
}

.section-title-light {
    color: rgba(255, 255, 255, 0.97);
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* В темных секциях - светлый подзаголовок */
.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* ===== СЕТКА КАРТОЧЕК ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

/* ===== КАРТОЧКА УСЛУГИ (тёмное стекло) ===== */
.service-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-base);
    text-align: center;
    color: var(--color-white);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.25);
    background: rgba(255, 255, 255, 0.2);
}

.service-icon {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.95);
}

.service-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: var(--line-height-relaxed);
}

.service-card:nth-child(4) {
    grid-column: 1 / -1;
}

/* ===== ПОРТФОЛИО ===== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.portfolio-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-base);
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.25);
    background: rgba(255, 255, 255, 0.2);
}

.portfolio-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.portfolio-content {
    padding: var(--spacing-lg);
}

.portfolio-content h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.95);
}

.portfolio-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
}

.portfolio-meta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.portfolio-tag {
    padding: 4px 12px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

/* ===== О КОМПАНИИ ===== */
.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.list-check {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.list-check li {
    padding-left: 2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    color: rgba(255, 255, 255, 0.85);
}

.list-check li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: var(--font-weight-bold);
    font-size: 1.2rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-base);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: var(--font-weight-extra-bold);
    color: var(--color-accent);
    display: block;
}

.stat-label {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
}

/* ===== ЛИЦЕНЗИИ ===== */
.licenses-bars {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.license-bar {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
    border-left: 5px solid var(--color-primary);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-left: 5px solid var(--color-primary);
    transition: all var(--transition-base);
}

.license-bar:hover {
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.25);
    transform: translateX(5px);
    background: rgba(255, 255, 255, 0.2);
}

.bar-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.bar-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bar-icon i {
    font-size: 1.8rem;
    color: var(--color-white);
}

.bar-info {
    flex: 1;
}

.bar-info h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 4px;
}

.bar-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.bar-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-accent);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-fast);
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.bar-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    gap: var(--spacing-sm);
    border-color: var(--color-primary);
}

.bar-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
}

.status-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.status-value {
    color: var(--color-accent);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
}

/* ===== ОТЗЫВЫ ===== */
.testimonials-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-2xl) 0;
}

.testimonials-carousel {
    flex: 1;
    width: 100%;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    gap: 0;
    width: 100%;
}

.testimonial-card {
    width: 100%;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.25);
    text-align: center;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    font-weight: bold;
}

.testimonial-text {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
    color: rgba(255, 255, 255, 0.95);
}

.testimonial-author {
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.testimonial-company {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.carousel-btn {
    position: relative;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
}

.carousel-btn:hover {
    background: var(--color-primary);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    padding: 0;
}

.dot.active {
    background: var(--color-accent);
    transform: scale(1.3);
}

/* ===== КОНТАКТЫ ===== */
.contacts-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contacts-list {
    list-style: none;
    margin-top: var(--spacing-xl);
}

.contacts-list li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
}

.contacts-list i {
    color: var(--color-accent);
    font-size: 1.5rem;
}

.contacts-form-wrapper {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.contacts-form-wrapper h3 {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-2xl);
    color: rgba(255, 255, 255, 0.95);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.9);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    color: var(--color-white);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.15);
}

.form-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    text-align: center;
    display: none;
}

.form-status.success {
    background: var(--color-success);
    color: var(--color-white);
    display: block;
}

.form-status.error {
    background: var(--color-error);
    color: var(--color-white);
    display: block;
}

/* ===== FOOTER ===== */
.site-footer {
    background: rgba(26, 32, 44, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-inner span {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ===== RTF КАРТОЧКА В КОНТАКТАХ ===== */
.rtf-download-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.25);
    margin-top: var(--spacing-xl);
    transition: all var(--transition-base);
}

.rtf-download-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.rtf-download-card .card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.rtf-download-card .card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-white);
    flex-shrink: 0;
}

.rtf-download-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
    color: rgba(255, 255, 255, 0.95);
}

.rtf-download-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-relaxed);
}

.rtf-download-card .btn {
    width: 100%;
    justify-content: center;
}

/* Мобильная адаптация */
@media (max-width: 768px) {
    body {
        background-attachment: scroll; /* iOS не поддерживает fixed */
    }

    #bg-video {
        position: absolute;
    }

    .license-bar {
        padding: var(--spacing-lg);
    }

    .bar-header {
        flex-wrap: wrap;
    }

    .bar-link {
        width: 100%;
        justify-content: center;
    }

    .contacts-layout {
        grid-template-columns: 1fr;
    }

    .about-layout {
        grid-template-columns: 1fr;
    }

    .hero-badges {
        grid-template-columns: 1fr;
    }

    .rtf-download-card {
        margin-top: var(--spacing-lg);
        margin-bottom: var(--spacing-xl);
    }

    .nav-links {
        display: none;
    }

    .burger {
        display: flex;
    }
}