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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: #1a202c;
    overflow-x: hidden;
    background: #ffffff;
}

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

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: 800;
    color: #1a202c;
    animation: logoFloat 3s ease-in-out infinite alternate;
}

@keyframes logoFloat {
    0% { 
        transform: translateY(0px);
        filter: hue-rotate(0deg);
    }
    100% { 
        transform: translateY(-2px);
        filter: hue-rotate(15deg);
    }
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

nav a {
    text-decoration: none;
    color: #4a5568;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

nav a:hover {
    color: #667eea;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 1px;
}

nav a:hover::after {
    width: 100%;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu span {
    width: 28px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 3s ease-in-out;
}

.hero-bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: slowZoom 20s ease-in-out infinite alternate;
}

.hero-bg-image.active {
    opacity: 1;
}

@keyframes slowZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.7) 100%);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
    animation: gradientShift 8s ease-in-out infinite;
    z-index: 1;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: slideUpFade 1s ease forwards 0.5s;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    opacity: 0;
    animation: slideUpFade 1s ease forwards 0.7s;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    opacity: 0;
    animation: slideUpFade 1s ease forwards 0.9s;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 36px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: white;
    color: #667eea;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.floating-element {
    position: absolute;
    color: rgba(255, 255, 255, 0.1);
    font-size: 2rem;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 70%;
    right: 15%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    bottom: 25%;
    left: 25%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

/* Machine Vision Section */
.machine-vision {
    padding: 8rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.machine-vision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(118, 75, 162, 0.05) 0%, transparent 50%);
}

.section-title {
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
    z-index: 2;
}

.section-title h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: #1a202c;
    margin-bottom: 1.5rem;
    font-weight: 800;
    position: relative;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.section-title p {
    font-size: 1.2rem;
    color: #64748b;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
    position: relative;
    z-index: 2;
}

.vision-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
}

.vision-card-bg {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 80px;
    height: 80px;
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    border-radius: 12px;
    transition: opacity 0.3s ease;
}

.vision-card:hover .vision-card-bg {
    opacity: 0.2;
}

.vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.vision-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
}

.vision-card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 2rem;
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.3);
}

.vision-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1a202c;
    font-weight: 700;
}

.vision-card p {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.vision-features {
    list-style: none;
}

.vision-features li {
    padding: 0.5rem 0;
    color: #4a5568;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.vision-features li::before {
    content: '✓';
    color: #667eea;
    font-weight: bold;
    font-size: 1.1rem;
}

/* Features Section */
.features {
    padding: 8rem 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.feature-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 24px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02) 0%, rgba(118, 75, 162, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.1);
    border-color: rgba(102, 126, 234, 0.2);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin-bottom: 2rem;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.25);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #1a202c;
    font-weight: 700;
}

.feature-card p {
    color: #64748b;
    line-height: 1.7;
}

/* Products Section */
.products {
    padding: 8rem 0;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: white;
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 4rem;
    position: relative;
    z-index: 2;
}

.product-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: 3rem 2rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.product-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.product-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    border-radius: 16px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.8);
    overflow: hidden;
    position: relative;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
}

.product-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.tech-list {
    list-style: none;
    margin-top: 1.5rem;
}

.tech-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tech-list li:hover {
    padding-left: 12px;
    color: #a78bfa;
}

.tech-list li::before {
    content: '→';
    color: #667eea;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.tech-list li:hover::before {
    transform: translateX(4px);
}

/* Equipment Section */
.equipment {
    padding: 8rem 0;
    background: #f8fafc;
}

.equipment-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 4rem;
}

.equipment-image {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.4s ease;
}

.equipment-image:hover {
    transform: scale(1.02);
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.15);
}

.equipment-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.equipment-image:hover img {
    transform: scale(1.05);
}

.equipment-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    font-weight: 700;
    text-align: center;
}

.equipment-image:hover .equipment-overlay {
    opacity: 1;
}

.equipment-specs {
    background: white;
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.3s ease;
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-item:hover {
    background: rgba(102, 126, 234, 0.02);
    margin: 0 -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
    border-radius: 8px;
}

.spec-label {
    font-weight: 700;
    color: #667eea;
}

.spec-value {
    color: #4a5568;
    font-weight: 600;
}

/* Video Modal - 완전히 새로 작성 */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    position: relative;
    width: 90vw;
    max-width: 900px;
    height: auto;
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.close {
    position: absolute;
    top: 15px;
    right: 15px;
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    background: rgba(0, 0, 0, 0.7);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: none;
}

.close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.youtube-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: #000;
}

.youtube-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Vision Detail Modal */
.vision-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
    align-items: center;
    justify-content: center;
}

.vision-modal.show {
    display: flex;
}

.vision-modal-content {
    position: relative;
    width: 90vw;
    max-width: 1000px;
    max-height: 90vh;
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.vision-modal.show .vision-modal-content {
    transform: scale(1);
}

.vision-modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    position: relative;
}

.vision-modal-title {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
}

.vision-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.2);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: none;
}

.vision-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.vision-modal-body {
    padding: 0;
    max-height: 60vh;
    overflow-y: auto;
}

.vision-content-section {
    padding: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.vision-content-section:last-child {
    border-bottom: none;
}

.vision-content-section h3 {
    color: #667eea;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.vision-content-section h4 {
    color: #1a202c;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem 0;
}

.vision-content-section p {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.vision-content-section ul {
    list-style: none;
    margin: 1rem 0;
}

.vision-content-section li {
    padding: 0.5rem 0;
    color: #4a5568;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.vision-content-section li::before {
    content: '•';
    color: #667eea;
    font-weight: bold;
    font-size: 1.2rem;
    margin-top: 2px;
}

.vision-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.vision-image-item {
    text-align: center;
}

.vision-image-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 0.5rem;
}

.vision-image-caption {
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 600;
}

.vision-highlight-box {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-left: 4px solid #667eea;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.vision-specs-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.vision-specs-table th,
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* History Section */
.history {
    padding: 8rem 0;
    background: linear-gradient(45deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

/* History Tabs */
.history-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.history-tab {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    background: white;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.history-tab:hover {
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.15);
}

.history-tab.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
}

.timeline-container {
    animation: fadeInUp 0.5s ease;
}

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

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 3rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #667eea, #764ba2);
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(30px);
    animation: timelineSlideUp 0.8s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.2s; }
.timeline-item:nth-child(2) { animation-delay: 0.4s; }
.timeline-item:nth-child(3) { animation-delay: 0.6s; }
.timeline-item:nth-child(4) { animation-delay: 0.8s; }
.timeline-item:nth-child(5) { animation-delay: 1.0s; }

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

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: 52%;
    text-align: right;
    padding-right: 3rem;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 52%;
    margin-right: 0;
    text-align: left;
    padding-left: 3rem;
}

.timeline-content {
    background: white;
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: all 0.4s ease;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.timeline-content:hover {
    transform: scale(1.02);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.12);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 20px solid transparent;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -40px;
    border-left-color: white;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -40px;
    border-right-color: white;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 6px white, 0 0 20px rgba(102, 126, 234, 0.4);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 0 6px white, 0 0 20px rgba(102, 126, 234, 0.4);
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.1);
        box-shadow: 0 0 0 6px white, 0 0 30px rgba(102, 126, 234, 0.6);
    }
}

.timeline-year {
    font-size: 1.8rem;
    font-weight: 800;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 1rem;
}

.timeline-description {
    color: #64748b;
    line-height: 1.7;
}

/* Contact Section */
.contact {
    padding: 8rem 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 700;
    color: #1a202c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.contact-info {
    padding: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.contact-item:hover {
    transform: translateX(8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.25);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: white;
    text-align: center;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    color: #667eea;
    font-weight: 700;
}

.footer-section a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: #667eea;
}

/* Map Container */
.map-container {
    margin-top: 4rem;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
    height: 400px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu {
        display: flex;
    }

    nav ul {
        display: none;
    }

    .hero h1 {
        font-size: 2.1rem;
        line-height: 1.3;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .equipment-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .vision-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 80px;
        margin-right: 0;
        text-align: left;
        padding-left: 2rem;
        padding-right: 1rem;
    }

    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -40px;
        right: auto;
        border-right-color: white;
        border-left-color: transparent;
    }

    .timeline-dot {
        left: 30px;
    }

    .history-tabs {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0 1rem;
    }

    .history-tab {
        padding: 0.875rem 2rem;
        font-size: 1rem;
        width: 100%;
        text-align: center;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .modal-content {
        width: 95vw;
        margin: 2.5vh auto;
    }
}

/* Scroll Animation */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Loading Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}