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

:root {
    --primary-color: #e2231a;
    --text-dark: #333333;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-white: #ffffff;
    --bg-gray: #f5f5f5;
    --bg-dark: #1a1a1a;
}

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    color: var(--text-dark);
    line-height: 1.9;
    overflow-x: hidden;
    font-size: 18px;
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.mobile-menu-toggle {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-icon {
    width: 30px;
    height: 20px;
    position: relative;
}

.menu-icon span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--text-dark);
    border-radius: 2px;
    opacity: 1;
    left: 0;
    transition: all 0.3s ease;
}

.menu-icon span:nth-child(1) {
    top: 0px;
}

.menu-icon span:nth-child(2) {
    top: 8px;
}

.menu-icon span:nth-child(3) {
    top: 16px;
}

.logo {
    font-size: 40px;
    font-weight: bold;
    color: var(--text-dark);
}

.logo span {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-menu a {
    font-size: 19px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

/* Dropdown Menu Styles */
.dropdown {
    position: relative;
    padding-bottom: 5px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 10px 0;
    display: none;
    min-width: 200px;
    z-index: 1000;
    margin-top: 0;
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu,
.dropdown-menu:hover {
    display: block;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 12px 15px;
    font-size: 16px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: #f8f9fa;
    color: var(--primary-color);
    padding-left: 20px;
}

.language-switch {
    background: transparent;
    border: 1px solid #ddd;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.language-switch:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Main content */
.main {
    padding-top: 80px;
}

/* Hero */
.hero {
    position: relative;
    height: 70vh;
    min-height: 600px;
    max-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.6), rgba(0,0,0,0.3));
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-video-overlay h1 {
    font-size: 72px;
    font-weight: bold;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    text-align: center;
    max-width: 1400px;
    padding: 0 20px;
    letter-spacing: -1px;
}

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

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.8s ease;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.slide-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.5), rgba(0,0,0,0.3));
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    max-width: 1200px;
    width: 90%;
    padding: 0 20px;
    color: white;
    text-align: center;
}

.slide-content h1 {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    letter-spacing: -1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    color: white !important;
}

.slide-content p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: var(--bg-white);
    font-size: 40px;
    width: 60px;
    height: 60px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    left: 30px;
}

.slider-btn.next {
    right: 30px;
}

.slider-dots {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--bg-white);
    width: 30px;
    border-radius: 6px;
}

.btn {
    display: inline-block;
    padding: 20px 60px;
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: 8px;
    font-size: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(226, 35, 26, 0.4);
}

.btn:hover {
    background: #c41e16;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(226, 35, 26, 0.5);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--bg-white);
    color: var(--bg-white);
}

.btn-outline:hover {
    background: var(--bg-white);
    color: var(--text-dark);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

/* Section */
.section {
    padding: 120px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 1;
}

.section-title h2 {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 35px;
    color: #1a202c;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.section-title p {
    font-size: 22px;
    color: #4a5568;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.9;
    font-weight: 400;
}

.section-subtitle {
    display: block;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-gray {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.section-gray::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 10% 20%, rgba(226, 35, 26, 0.03) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(0, 123, 255, 0.03) 0%, transparent 20%);
    z-index: 0;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.product-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #f0f0f0;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.product-image {
    height: 280px;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
    position: relative;
}

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.3));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.product-card:hover .product-image::after {
    opacity: 1;
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.product-card:hover .product-info h3 {
    color: var(--primary-color);
}

.product-info p {
    color: #666;
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 18px;
}

.link {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 18px;
    margin-top: 15px;
    transition: all 0.3s ease;
}

.link:hover {
    color: #c41e16;
}

/* Solutions Carousel */
.solutions-carousel {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    overflow: hidden;
}

.solutions-track {
    display: flex;
    gap: 30px;
    transition: transform 0.5s ease;
}

.solution-card {
    min-width: 350px;
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.solution-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.18);
}

.solution-image {
    height: 280px;
    position: relative;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.solution-card:hover .solution-image {
    transform: scale(1.05);
}

.solution-label {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.95);
    color: #1a202c;
    padding: 10px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.solution-info {
    padding: 30px;
}

.solution-info p {
    font-size: 16px;
    line-height: 1.6;
    color: #4a5568;
    font-weight: 400;
    margin: 0;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--primary-color);
    color: var(--bg-white);
}

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

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

/* Cases Grid */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.case-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
}

.case-image {
    height: 280px;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.case-card:hover .case-image {
    transform: scale(1.1);
}

.case-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 30px 20px 20px;
    color: var(--bg-white);
}

.case-info h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.6;
}

/* About */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-text {
    position: relative;
}

.about-text h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 30px;
    color: #1a202c;
    line-height: 1.2;
    letter-spacing: -0.5px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    position: relative;
    padding-bottom: 25px;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: #e2231a;
    border-radius: 2px;
}

.about-text p {
    color: #4a5568;
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 25px;
    font-weight: 400;
}

.about-text .btn {
    margin-top: 20px;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-text .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(226, 35, 26, 0.3);
}

.about-image {
    height: 550px;
    border-radius: 16px;
    background-size: cover;
    background-position: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(226, 35, 26, 0.1) 0%, rgba(0, 0, 0, 0.05) 100%);
    z-index: 1;
}

.about-image:hover {
    transform: scale(1.02);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-item .number {
    font-size: 56px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-item .label {
    font-size: 16px;
    color: var(--text-gray);
}

/* Advantages */
.advantages-wrapper {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.advantages-nav {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 250px;
}

.advantages-nav-item {
    background: var(--bg-gray);
    border: none;
    padding: 20px 30px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 15px;
}

.advantages-nav-item .num {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.advantages-nav-item:hover,
.advantages-nav-item.active {
    background: var(--primary-color);
    color: var(--bg-white);
}

.advantages-nav-item.active .num {
    color: var(--bg-white);
}

.advantages-content {
    flex: 1;
    padding: 40px;
    background: var(--bg-gray);
    border-radius: 10px;
}

.advantages-content .num {
    font-size: 80px;
    font-weight: bold;
    color: rgba(226, 35, 26, 0.1);
    line-height: 1;
    margin-bottom: -40px;
}

.advantages-content h3 {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.advantages-content p {
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.news-card {
    background: var(--bg-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.news-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.news-info {
    padding: 25px;
}

.news-date {
    display: block;
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.news-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.contact-info p {
    color: var(--text-gray);
    font-size: 20px;
    line-height: 1.9;
}

.contact-form {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row.two-col {
    grid-template-columns: 1fr 1fr;
}

.form-row.one-col {
    grid-template-columns: 1fr;
}

.form-group {
    margin-bottom: 0;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 20px 24px;
    border: 2px solid #e8e8e8;
    border-radius: 8px;
    font-size: 19px;
    transition: all 0.3s ease;
    background: #fafafa;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #aaa;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(226, 35, 26, 0.08);
}

.form-group textarea {
    height: 150px;
    resize: none;
}

.required {
    color: var(--primary-color);
}

.contact-form .btn {
    margin-top: 30px;
    width: 100%;
    max-width: 200px;
    display: block;
}

.captcha-group {
    display: flex;
    gap: 15px;
    align-items: center;
}

.captcha-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--bg-white);
    padding: 15px 25px;
    border-radius: 5px;
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 3px;
    user-select: none;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--bg-white);
    border: 4px solid var(--primary-color);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-item:nth-child(even)::after {
    left: -10px;
}

.timeline-content {
    padding: 20px 30px;
    background: var(--bg-white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.timeline-content .year {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.8;
}

/* Floating Sidebar */
.floating-sidebar {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
}

.floating-item {
    display: block;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 5px;
    font-size: 20px;
    transition: all 0.3s ease;
}

.floating-item:hover {
    background: #c41e16;
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 999;
}

.chat-btn {
    width: 60px;
    height: 60px;
    background: #1890ff;
    border-radius: 50%;
    border: none;
    color: var(--bg-white);
    font-size: 28px;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(24, 144, 255, 0.4);
    transition: transform 0.3s ease;
}

.chat-btn:hover {
    transform: scale(1.1);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--bg-white);
    padding: 35px 0 20px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-logo {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 12px;
}

.footer-logo span {
    color: var(--primary-color);
}

.footer-about p {
    color: #999;
    font-size: 17px;
    line-height: 1.7;
}

.footer-title {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 15px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #999;
    font-size: 17px;
}

.footer-links a:hover {
    color: var(--bg-white);
}

.footer-contact p {
    color: #999;
    font-size: 17px;
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #666;
    font-size: 13px;
}

/* Responsive */
@media (max-width: 1024px) {
    .products-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    
    .advantages-wrapper {
        flex-direction: column;
    }
}

/* International Style Enhancements */
.section-subtitle {
    display: block;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--bg-white);
    color: var(--bg-white);
}

.btn-outline:hover {
    background: var(--bg-white);
    color: var(--text-dark);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.link {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    margin-top: 15px;
    transition: all 0.3s ease;
}

.link:hover {
    color: #c41e16;
}

.news-date {
    display: block;
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

/* Modern typography updates */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
}

.hero h1 {
    font-size: 72px;
    letter-spacing: -1px;
    color: white !important;
}

.section-title h2 {
    font-size: 56px;
    letter-spacing: -0.5px;
}

/* Enhanced card shadows and transitions */
.product-card,
.solution-card,
.case-card,
.news-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover,
.solution-card:hover,
.case-card:hover,
.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

/* Improved spacing */
.section {
    padding: 100px 0;
}

.hero p {
    font-size: 20px;
    max-width: 700px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        align-items: center;
        gap: 20px;
        padding: 30px 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-content {
        padding: 10px 0;
    }
    
    .logo {
        font-size: 26px;
    }
    
    .hero {
        height: 50vh;
        min-height: 350px;
        max-height: 500px;
        margin-top: 0;
    }
    
    .hero-video-overlay h1 {
        font-size: 24px !important;
        padding: 0 20px;
    }
    
    .products-grid,
    .news-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer {
        padding: 40px 0 30px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-logo {
        font-size: 24px;
    }
    
    .footer-about p,
    .footer-links a,
    .footer-contact p {
        font-size: 15px;
    }
    
    .footer-title {
        font-size: 17px;
        margin-bottom: 12px;
    }
    
    .hero h1 {
        font-size: 32px;
        color: white !important;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
    
    .slider-btn.prev {
        left: 10px;
    }
    
    .slider-btn.next {
        right: 10px;
    }
    
    .slide-content h1 {
        font-size: 32px;
    }
    
    .slide-content p {
        font-size: 16px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .product-section {
        padding: 60px 0 40px;
    }
    
    .product-title {
        font-size: 32px;
    }
    
    .product-description {
        font-size: 16px;
    }
    
    .product-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .product-card,
    .product-image-container {
        width: 100%;
    }
    
    .product-card {
        padding: 20px;
    }
    
    .product-card-title {
        font-size: 20px;
    }
    
    .product-features {
        flex-direction: column;
        gap: 8px;
    }
    
    .feature-item {
        width: 100%;
    }
    
    .product-nav {
        flex-direction: column;
        gap: 15px;
        padding-top: 15px;
    }
    
    .product-nav-items {
        width: 100%;
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .product-nav-item {
        font-size: 14px;
        padding: 12px 16px;
        margin: 0;
        border-radius: 8px;
        background: #f8f9fa;
        border: 1px solid #e5e7eb;
        width: 100%;
        text-align: center;
        transition: all 0.3s ease;
    }
    
    .product-nav-item:hover {
        background: #e9ecef;
    }
    
    .product-nav-item.active {
        background: #ff4500 !important;
        color: white !important;
        border-color: #ff4500 !important;
    }
    
    .product-nav-item::after {
        display: none;
    }
    
    .container {
        padding: 0 20px;
    }
    
    body {
        font-size: 16px;
    }
    
    /* Solutions section mobile */
    .solutions-track {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .solution-card {
        min-width: auto !important;
    }
    
    /* Hide videos on mobile */
    .product-image-container {
        display: none !important;
    }
    
    /* Remove main padding on mobile to fix gap */
    .main {
        padding-top: 0 !important;
    }
}

/* Tech Section */
.section-tech {
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.section-tech::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(226, 35, 26, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.section-tech::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 123, 255, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.tech-title {
    text-align: center;
    margin-bottom: 100px;
    position: relative;
    z-index: 1;
}

.tech-title h2 {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #1a202c, #e2231a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.tech-title p {
    font-size: 18px;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto 30px;
    line-height: 1.6;
}

.tech-divider {
    width: 120px;
    height: 5px;
    background: linear-gradient(90deg, transparent, #e2231a, transparent);
    margin: 0 auto;
    border-radius: 3px;
    position: relative;
}

.tech-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: #e2231a;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(226, 35, 26, 0.3);
}

/* Tech Carousel */
.tech-carousel {
    position: relative;
    width: 100%;
    overflow: visible;
    padding-bottom: 50px;
}

.tech-carousel-track {
    position: relative;
    width: 100%;
    height: 650px;
}

.tech-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 95%;
    margin: 0 2.5%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.tech-slide.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.tech-slide-content {
    display: flex;
    flex-direction: row-reverse;
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.12);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 650px;
    position: relative;
}

.tech-slide-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1a202c, #e2231a);
}

.tech-slide-content:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.18);
}

.tech-image-container {
    position: relative;
    flex: 1.2;
    min-height: 100%;
    overflow: hidden;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.tech-slide-content:hover .tech-image {
    transform: scale(1.05);
}

.tech-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary-color);
    color: var(--bg-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tech-info {
    flex: 1;
    padding: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tech-info {
    flex: 1;
    padding: 90px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.tech-info h3 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 35px;
    color: #1a202c;
    line-height: 1.2;
    position: relative;
    padding-bottom: 20px;
}

.tech-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: #e2231a;
    border-radius: 2px;
}

.tech-features {
    margin-bottom: 40px;
}

.tech-feature {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-size: 17px;
    color: #4a5568;
    transition: all 0.3s ease;
}

.tech-feature:hover {
    transform: translateX(10px);
    color: #e2231a;
}

.tech-feature-icon {
    font-size: 22px;
    margin-right: 18px;
    color: #e2231a;
    font-weight: bold;
}

.tech-description {
    font-size: 17px;
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 45px;
    font-weight: 400;
}

.tech-link {
    display: inline-flex;
    align-items: center;
    color: #e2231a;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 12px 24px;
    border: 2px solid #e2231a;
    border-radius: 8px;
    background: transparent;
}

.tech-link:hover {
    background: #e2231a;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(226, 35, 26, 0.3);
}

.tech-link span {
    margin-left: 12px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.tech-link:hover span {
    transform: translateX(8px);
}

.tech-carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #e2231a;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    font-size: 36px;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.tech-carousel-btn:hover {
    background: #e2231a;
    color: white;
    transform: translateY(-50%) scale(1.15);
    box-shadow: 0 12px 40px rgba(226, 35, 26, 0.4);
}

.tech-carousel-btn.prev {
    left: -35px;
}

.tech-carousel-btn.next {
    right: -35px;
}

.tech-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 50px;
    position: relative;
    z-index: 10;
}

.tech-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #cbd5e0;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.tech-dot:hover {
    background: #e2231a;
    transform: scale(1.2);
}

.tech-dot.active {
    background: #e2231a;
    width: 40px;
    border-radius: 8px;
    border-color: #e2231a;
    box-shadow: 0 0 20px rgba(226, 35, 26, 0.4);
}

/* Responsive */
@media (max-width: 1024px) {
    .tech-slide-content {
        flex-direction: column;
    }
    
    .tech-image-container {
        min-height: 300px;
    }
    
    .tech-info {
        padding: 40px;
    }
    
    .tech-carousel-btn {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .tech-carousel-btn.prev {
        left: -25px;
    }
    
    .tech-carousel-btn.next {
        right: -25px;
    }
}

@media (max-width: 768px) {
    .tech-title h2 {
        font-size: 36px;
    }
    
    .tech-info h3 {
        font-size: 24px;
    }
    
    .tech-info {
        padding: 30px;
    }
    
    .tech-image-container {
        min-height: 250px;
    }
    
    .tech-carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .tech-carousel-btn.prev {
        left: -20px;
    }
    
    .tech-carousel-btn.next {
        right: -20px;
    }
}

/* New Product Section - Wijay Style */
.product-section {
    background: #f8f9fa;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.product-section::before {
    content: 'GC';
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    font-size: 400px;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.03);
    line-height: 1;
    z-index: 0;
    pointer-events: none;
}

.product-section .container {
    position: relative;
    z-index: 1;
}

.product-section-header {
    margin-bottom: 60px;
}

.product-title {
    font-size: 48px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.product-description {
    font-size: 16px;
    color: #666;
    max-width: 600px;
    line-height: 1.8;
}

.product-content {
    display: flex;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.product-section .product-card {
    flex: 1;
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    display: none;
    position: relative;
    overflow: hidden;
    min-height: 500px;
}

.product-section .product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #e2231a, #ff6b6b, #e2231a, transparent);
    animation: flowTop 3s linear infinite;
    pointer-events: none;
}

.product-section .product-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #e2231a, #ff6b6b, #e2231a, transparent);
    animation: flowBottom 3s linear infinite;
    pointer-events: none;
}

.product-section .product-card:hover::before {
    animation-duration: 1.5s;
}

.product-section .product-card:hover::after {
    animation-duration: 1.5s;
}

.product-section .product-card:hover {
    border: 2px solid #e2231a;
    box-shadow: 0 0 20px rgba(226, 35, 26, 0.3), 0 10px 40px rgba(0, 0, 0, 0.08);
}

@keyframes flowTop {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes flowBottom {
    0% {
        right: -100%;
    }
    100% {
        right: 100%;
    }
}

.product-section .product-card .product-card-title,
.product-section .product-card .product-features,
.product-section .product-card .product-card-desc,
.product-section .product-card .see-more-btn {
    position: relative;
}

.product-section .product-card.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 25px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 30px;
    margin-bottom: 25px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
    width: calc(50% - 15px);
}

.feature-item .dot {
    width: 6px;
    height: 6px;
    background: #e2231a;
    border-radius: 50%;
    flex-shrink: 0;
}

.product-card-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.see-more-btn {
    display: inline-block;
    padding: 14px 36px;
    background: #e2231a;
    color: white;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.see-more-btn:hover {
    background: #c41e16;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(226, 35, 26, 0.3);
}

.product-image-container {
    flex: 1.2;
    position: relative;
}

.product-image,
.product-image-container video {
    width: 100%;
    height: 500px;
    display: none;
    border-radius: 10px;
    object-fit: cover;
}

.product-image.active,
.product-image-container video.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.product-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    border-top: 1px solid #e0e0e0;
    padding-top: 30px;
}

.product-nav-items {
    flex: 1;
    display: flex;
    gap: 30px;
    padding-bottom: 10px;
    align-items: center;
    justify-content: center;
}

.product-nav-item {
    flex-shrink: 0;
    font-size: 15px;
    color: #999;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 10px;
    padding-left: 20px;
}

.product-nav-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #e2231a;
    transition: all 0.3s ease;
}

.product-nav-item::after {
    content: '';
    position: absolute;
    top: 50%;
    left: -20px;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 2px solid #ddd;
    background: white;
    transition: all 0.3s ease;
}

.product-nav-item.active {
    color: #e2231a;
    font-weight: 600;
}

.product-nav-item.active::before {
    width: 100%;
}

.product-nav-item.active::after {
    background: #e2231a;
    border-color: #e2231a;
}

.product-nav-arrows {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.nav-arrow {
    width: 45px;
    height: 45px;
    border: 2px solid #ddd;
    background: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: #666;
}

.nav-arrow:hover:not(:disabled) {
    border-color: #e2231a;
    background: #e2231a;
    color: white;
}

.nav-arrow:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media (max-width: 1024px) {
    .product-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .product-card,
    .product-image-container {
        width: 100%;
    }
    
    .product-section::before {
        font-size: 200px;
        right: -10%;
    }
}

@media (max-width: 768px) {
    .product-section {
        padding: 80px 0 60px;
    }
    
    .product-title {
        font-size: 36px;
    }
    
    .product-card {
        padding: 30px;
    }
    
    .product-card-title {
        font-size: 24px;
    }
    
    .feature-item {
        width: 100%;
    }
    
    .product-nav {
        flex-direction: column;
        gap: 20px;
    }
    
    .product-nav-items {
        width: 100%;
        justify-content: center;
    }
}