.hero-banner {
    position: relative;
    height: 100vh;
    min-height: 600px;
    max-height: 900px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(26,26,46,0.5) 50%, rgba(255,85,0,0.15) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: var(--white);
}

.hero-tag {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.3s;
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    max-width: 700px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.5s;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 36px;
    max-width: 520px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.7s;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.9s;
}

.hero-controls {
    position: absolute;
    bottom: 40px;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    z-index: 10;
}

.hero-arrow {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
}

.hero-arrow:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.hero-dots {
    display: flex;
    gap: 10px;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: var(--transition);
}

.hero-dot.active {
    background: var(--primary);
    transform: scale(1.2);
}

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

.section-advantages {
    background: var(--gray-100);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.advantage-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
    color: var(--white);
}

.advantage-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.advantage-desc {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.8;
}

.section-products {
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.product-img {
    position: relative;
    height: 260px;
    overflow: hidden;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.08);
}

.product-info {
    padding: 24px;
}

.product-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.product-model {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 10px;
}

.product-brief {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
}

.section-stats {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.stats-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.stats-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.92) 0%, rgba(255,85,0,0.85) 100%);
}

.stats-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 56px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    display: inline;
}

.stat-unit {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent);
    display: inline;
}

.stat-label {
    font-size: 15px;
    color: rgba(255,255,255,0.8);
    margin-top: 10px;
    font-weight: 500;
}

.section-about {
    background: var(--gray-100);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-exp-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: var(--primary);
    color: var(--white);
    padding: 20px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 8px 30px rgba(255,85,0,0.4);
}

.about-exp-number {
    display: block;
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
}

.about-exp-text {
    font-size: 13px;
    font-weight: 500;
    margin-top: 4px;
}

.about-text {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 28px 0 36px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-900);
}

.about-feature i {
    color: var(--primary);
    font-size: 18px;
}

.section-news {
    background: var(--white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 40px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.news-empty i {
    font-size: 48px;
    color: var(--gray-300);
    margin-bottom: 16px;
}

.news-empty p {
    font-size: 16px;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.news-empty .btn {
    margin-top: 16px;
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.news-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-img img {
    transform: scale(1.05);
}

.news-category-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--primary);
    color: var(--white);
    padding: 6px 14px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 14px;
    font-size: 13px;
    color: var(--gray-500);
}

.news-meta i {
    margin-right: 6px;
}

.news-date {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: var(--primary);
    color: var(--white);
    padding: 6px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
}

.news-body {
    padding: 24px;
}

.news-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-title a:hover {
    color: var(--primary);
}

.news-excerpt {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-link:hover {
    gap: 10px;
}

.section-cta {
    padding: 80px 0;
    background: var(--gray-100);
}

.cta-box {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    border-radius: var(--radius-lg);
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255,85,0,0.1);
}

.cta-title {
    font-size: 30px;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 10px;
}

.cta-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
}

.cta-actions {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

@media (max-width: 1200px) {
    .hero-title { font-size: 44px; }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-container { grid-template-columns: repeat(2, 1fr); }
    .stat-number { font-size: 44px; }
    .about-grid { gap: 40px; }
    .cta-box { flex-direction: column; text-align: center; padding: 40px; }
    .cta-actions { justify-content: center; }
}

@media (max-width: 768px) {
    .hero-banner { min-height: 500px; max-height: 700px; }
    .hero-title { font-size: 32px; }
    .hero-desc { font-size: 15px; }
    .hero-content { padding: 0 20px; }
    .hero-controls { bottom: 20px; }
    .advantages-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .stats-container { grid-template-columns: 1fr 1fr; gap: 20px; }
    .stat-number { font-size: 36px; }
    .about-grid { grid-template-columns: 1fr; }
    .about-image img { height: 300px; }
    .about-features { grid-template-columns: 1fr; }
    .cta-box { padding: 30px; }
    .cta-title { font-size: 24px; }
    .cta-actions { flex-direction: column; width: 100%; }
    .cta-actions .btn { width: 100%; justify-content: center; }
}