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

body {
    font-family: 'Inter', sans-serif;
    color: #111827;
    background-color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: #000000;
    color: white;
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid #374151;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 15px 0;
    background: rgba(0, 0, 0, 0.95);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-text {
    color: #ffffff;
    position: relative;
    transition: all 0.3s ease;
}

.logo-text::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 2px;
    background: #111827;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: #9ca3af;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    font-size: 16px;
}

.nav-link:hover {
    color: #ffffff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: #111827;
    transition: width 0.3s ease;
}

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

.cta-button {
    background: #111827;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 0;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid #374151;
}

.cta-button:hover {
    background: #1f2937;
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
    background: #f9fafb;
}

.hero-content {
    flex: 1;
    max-width: 550px;
    animation: fadeInUp 1s ease;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #111827;
}

.highlight {
    color: #111827;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #111827;
}

.hero-subtitle {
    font-size: 18px;
    color: #4b5563;
    margin-bottom: 30px;
    font-weight: 400;
    line-height: 1.7;
}

.hero-button {
    background: #111827;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 0;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid #374151;
}

.hero-button:hover {
    background: #1f2937;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.wave-container {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 300px;
    overflow: hidden;
    z-index: 1;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
}

.wave-wrapper {
    position: absolute;
    width: 200%;
    left: 0;
    bottom: 0;
}

.wave {
    position: relative;
    width: 100%;
    height: 100%;
    animation: waveAnimation1 30s linear infinite;
}

.wave2 {
    animation: waveAnimation2 40s linear infinite;
    opacity: 0.8;
}

.wave3 {
    animation: waveAnimation3 50s linear infinite;
    opacity: 0.5;
}

@keyframes waveAnimation1 {
    0% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(-25%, 0, 0);
    }
    100% {
        transform: translate3d(-50%, 0, 0);
    }
}

@keyframes waveAnimation2 {
    0% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(-20%, 0, 0);
    }
    100% {
        transform: translate3d(-40%, 0, 0);
    }
}

@keyframes waveAnimation3 {
    0% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(-15%, 0, 0);
    }
    100% {
        transform: translate3d(-30%, 0, 0);
    }
}

/* Добавляем плавные переходы для более футуристичного вида */
.wave path {
    transition: d 0.3s ease;
}

.wave:hover path {
    d: path("M0,160L48,180C96,195,192,230,288,220C384,210,480,170,576,160C672,155,768,190,864,205C960,220,1056,220,1152,200C1248,180,1344,140,1392,120L1440,100L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z");
}

/* Advantages Section */
.advantages {
    padding: 100px 0;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #111827;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #111827;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 0;
    box-shadow: none;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: #111827;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: #111827;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 24px;
    transition: all 0.3s ease;
}

.advantage-card:hover .icon-wrapper {
    transform: scale(1.1);
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #111827;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-text {
    color: #4b5563;
    font-weight: 400;
    line-height: 1.7;
}

/* Story Section */
.story {
    padding: 100px 0;
    background: #000000;
    color: white;
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
}

.story-paragraph {
    margin-bottom: 20px;
    font-size: 18px;
    opacity: 0.9;
    line-height: 1.8;
}

.story-title {
    color: white !important;
}

.timeline {
    margin-top: 50px;
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #374151;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 30px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #111827;
    border: 2px solid #374151;
    transition: all 0.3s ease;
}

.timeline-item:hover::before {
    background: #374151;
    transform: scale(1.2);
}

.timeline-year {
    font-size: 18px;
    font-weight: 700;
    color: #9ca3af;
    margin-bottom: 10px;
}

.timeline-content h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: white;
}

.timeline-content p {
    color: #9ca3af;
    line-height: 1.6;
}

/* Reviews Section */
.reviews {
    padding: 100px 0;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
}

.reviews-slider {
    position: relative;
    overflow: hidden;
    margin: 50px 0;
}

.reviews-track {
    display: flex;
    transition: transform 0.5s ease;
}

.review-slide {
    min-width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
}

.review-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    border-left: 4px solid #111827;
    opacity: 0;
    transform: translateY(30px);
}

.review-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 25px;
}

.reviewer-info {
    flex: 1;
}

.reviewer-name {
    font-weight: 700;
    margin: 0;
    color: #111827;
    font-size: 22px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.reviewer-position {
    color: #6b7280;
    font-size: 14px;
    margin-top: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.review-rating {
    display: flex;
    margin-left: 15px;
}

.star {
    color: #111827;
    font-size: 18px;
    margin-right: 2px;
}

.review-divider {
    height: 1px;
    background: #e5e7eb;
    margin: 20px 0;
}

.review-text {
    color: #4b5563;
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 25px;
    flex-grow: 1;
    font-weight: 400;
    position: relative;
    padding-left: 20px;
}

.review-text::before {
    content: '"';
    font-size: 50px;
    color: #e5e7eb;
    position: absolute;
    top: -15px;
    left: -10px;
    opacity: 0.8;
    font-family: Georgia, serif;
    font-weight: bold;
}

.review-signature {
    text-align: right;
    font-weight: 600;
    color: #111827;
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding-right: 10px;
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
}

.control-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-btn:hover {
    background: #f3f4f6;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.slider-indicators {
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e5e7eb;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: #111827;
    transform: scale(1.2);
}

.indicator:hover {
    background: #d1d5db;
    transform: scale(1.1);
}

/* Vision Section */
.vision {
    padding: 100px 0;
    background: #f9fafb;
    border-top: 1px solid #e5e7eb;
}

.vision-content {
    max-width: 800px;
    margin: 0 auto;
}

.vision-text {
    color: #4b5563;
    font-size: 18px;
    line-height: 1.8;
    text-align: justify;
}

.vision-text p {
    margin-bottom: 20px;
}


/* FAQ Section */
.faq {
    padding: 100px 0;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
}

.faq-list {
    max-width: 800px;
    margin: 50px auto 0;
}

.faq-item {
    margin-bottom: 15px;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 30px;
    background: #ffffff;
    border: none;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #111827;
    transition: all 0.3s ease;
    position: relative;
}

.faq-question::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: #e5e7eb;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #f9fafb;
    color: #111827;
}

.faq-question[aria-expanded="true"] {
    color: #111827;
    background: #f9fafb;
}

.faq-question[aria-expanded="true"]::after {
    background: #111827;
}

.faq-icon {
    font-size: 24px;
    transition: transform 0.3s ease;
    color: #6b7280;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
    color: #111827;
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: #4b5563;
    font-size: 16px;
}

/* КРИТИЧЕСКИ ВАЖНЫЕ СТИЛИ ДЛЯ ОТОБРАЖЕНИЯ ОТВЕТОВ */
.faq-item.active .faq-answer,
.faq-question[aria-expanded="true"] + .faq-answer {
    max-height: 500px; /* Достаточно большая высота для любого контента */
    padding: 0 30px 20px;
}

.faq-answer p {
    padding: 20px 0;
    margin: 0;
    line-height: 1.8;
}

/* Footer */
.footer {
    background: #000000;
    color: #9ca3af;
    padding: 60px 0 30px;
    border-top: 1px solid #374151;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo {
    max-width: 300px;
}

.footer-logo .logo-text {
    color: white;
    font-size: 24px;
    margin-bottom: 15px;
    display: block;
    position: relative;
}

.footer-logo .logo-text::after {
    width: 40px;
    height: 2px;
    background: #111827;
}

.footer-logo p {
    color: #9ca3af;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column a {
    display: block;
    color: #9ca3af;
    text-decoration: none;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.footer-column a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #374151;
    font-size: 12px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-content {
        text-align: center;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .reviews-slider {
        margin: 30px 0;
    }
    
    .review-card {
        padding: 30px;
    }
    
    .review-text {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 15px 0;
    }
    
    .nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #000000;
        backdrop-filter: blur(10px);
        padding: 20px;
        border-radius: 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        z-index: 1001;
    }
    
    .nav.active {
        display: flex;
    }
    
    .nav-link {
        padding: 15px;
        display: block;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .timeline {
        padding-left: 20px;
    }
    
    .timeline-item {
        padding-left: 20px;
        margin-bottom: 30px;
    }
    
    .timeline-item::before {
        width: 14px;
        height: 14px;
        left: -6px;
        top: 6px;
    }
    
    .footer-links {
        flex-wrap: wrap;
    }
    
    .footer-column {
        min-width: 200px;
    }
    
    .review-card {
        padding: 30px 25px;
    }
    
    .review-text {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-button, .hero-button {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .review-card {
        padding: 25px 20px;
    }
    
    .reviewer-name {
        font-size: 18px;
    }
    
    .review-text {
        font-size: 16px;
    }
    
    .slider-controls {
        gap: 10px;
    }
    
    .control-btn {
        width: 40px;
        height: 40px;
    }
    
    .slider-indicators {
        gap: 8px;
    }
    
    .indicator {
        width: 10px;
        height: 10px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .story-paragraph {
        font-size: 16px;
    }
}

/* Print styles */
@media print {
    .menu-toggle, .cta-button, .slider-controls, .control-btn {
        display: none !important;
    }
    
    .header {
        position: static;
        background: #000000 !important;
    }
    
    .wave-container {
        display: none;
    }
    
    body {
        font-size: 12pt;
        color: #000;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
}