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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #fff;
    overflow-x: hidden;
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo span {
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 50px;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    transition: opacity 0.3s;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-menu a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background-image: url('images/hero_image.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.1));
}

.hero-content {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
}

.hero h1 {
    font-size: 64px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 20px;
    max-width: 800px;
}

.hero h1 em {
    font-style: italic;
    font-weight: 400;
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 300;
    margin-bottom: 60px;
    max-width: 600px;
}

/* Features */
.features {
    display: flex;
    gap: 40px;
    max-width: 900px;
}

.feature-card {
    flex: 1;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 16px;
    font-weight: 300;
    line-height: 1.5;
    opacity: 0.95;
}

/* Product Introduction Section */
.product-intro {
    background-color: #f5f5f5;
    padding: 100px 0;
}

.product-intro-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.product-intro-content h2 {
    font-size: 56px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 30px;
    color: #000;
}

.product-intro-content p {
    font-size: 20px;
    font-weight: 300;
    line-height: 1.6;
    color: #333;
}

.product-intro-image {
    width: 100%;
}

.product-intro-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

/* Complete Solution Section */
.complete-solution {
    background-color: #3a3a3a;
    color: #fff;
    padding: 100px 0;
}

.complete-solution-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.complete-solution h2 {
    font-size: 56px;
    font-weight: 400;
    text-align: center;
    margin-bottom: 80px;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.solution-left {
    position: relative;
}

.device-images {
    position: relative;
    margin-bottom: 40px;
}

.device-main {
    width: 100%;
    max-width: 400px;
    height: auto;
    display: block;
}

.device-secondary {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 45%;
    height: auto;
    z-index: 10;
}

.solution-left h3 {
    font-size: 36px;
    font-weight: 600;
    line-height: 1.3;
    max-width: 450px;
}

.solution-right {
    padding-left: 20px;
}

.solution-intro {
    font-size: 22px;
    font-weight: 300;
    margin-bottom: 30px;
    line-height: 1.5;
}

.solution-subtitle {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 20px;
}

.services-list {
    list-style: none;
    margin-bottom: 20px;
}

.services-list li {
    font-size: 18px;
    font-weight: 300;
    line-height: 2;
    padding-left: 20px;
    position: relative;
}

.services-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    font-size: 24px;
}

.more {
    font-size: 18px;
    font-weight: 300;
    padding-left: 20px;
}

/* Team Section */
.team {
    background-color: #f5f5f5;
    padding: 100px 0;
}

.team-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.team h2 {
    font-size: 56px;
    font-weight: 400;
    text-align: center;
    margin-bottom: 80px;
    color: #000;
}

.team-members {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
}

.team-member {
    text-align: center;
}

.member-image {
    width: 300px;
    height: 300px;
    margin: 0 auto 30px;
    overflow: hidden;
    border-radius: 50%;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #000;
}

.member-title {
    font-size: 16px;
    font-weight: 400;
    color: #666;
    margin-bottom: 20px;
}

.member-bio {
    font-size: 14px;
    font-weight: 300;
    line-height: 1.6;
    color: #333;
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
}

/* Footer */
.footer {
    background-color: #c0c0c0;
    padding: 60px 0;
    color: #fff;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo img {
    height: 60px;
    width: auto;
}

.footer-logo span {
    font-size: 24px;
    font-weight: 600;
    color: #fff;
}

.footer-contact p {
    font-size: 18px;
    margin: 0;
    color: #fff;
}

.footer-contact strong {
    font-weight: 600;
}

.footer-copyright p {
    font-size: 14px;
    margin: 0;
    color: #fff;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 48px;
    }
    
    .features {
        flex-direction: column;
        gap: 30px;
    }
    
    .product-intro-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .product-intro-content h2 {
        font-size: 42px;
    }
    
    .complete-solution h2 {
        font-size: 42px;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .solution-left h3 {
        font-size: 28px;
    }
    
    .team h2 {
        font-size: 42px;
    }
    
    .team-members {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
    }
    
    .nav-menu {
        gap: 30px;
    }
    
    .hero-content {
        padding: 0 20px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .product-intro {
        padding: 60px 0;
    }
    
    .product-intro-container {
        padding: 0 20px;
        gap: 40px;
    }
    
    .product-intro-content h2 {
        font-size: 32px;
    }
    
    .product-intro-content p {
        font-size: 18px;
    }
    
    .complete-solution {
        padding: 60px 0;
    }
    
    .complete-solution-container {
        padding: 0 20px;
    }
    
    .complete-solution h2 {
        font-size: 32px;
        margin-bottom: 50px;
    }
    
    .solution-content {
        gap: 40px;
    }
    
    .solution-left h3 {
        font-size: 24px;
    }
    
    .solution-right {
        padding-left: 0;
    }
    
    .solution-intro {
        font-size: 18px;
    }
    
    .services-list li {
        font-size: 16px;
    }
    
    .team {
        padding: 60px 0;
    }
    
    .team-container {
        padding: 0 20px;
    }
    
    .team h2 {
        font-size: 32px;
        margin-bottom: 50px;
    }
    
    .member-image {
        width: 250px;
        height: 250px;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
        padding: 0 20px;
    }
    
    .footer-logo {
        justify-content: center;
    }
}