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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.header {
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid #e5e7eb;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem; /* khoảng cách giữa ảnh và tên */
}

.company-name {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.company-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    font-weight: 500;
}

.main-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 1rem;
}

.title-section {
    text-align: center;
    margin-bottom: 4rem;
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.main-title {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.main-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.portfolio-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.company-name {
    font-size: 2.5rem;
    font-weight: bold;
    color: orange;
    margin-bottom: 0.5rem;
}
.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: block;
}

.card-title {
    font-size: 1.75rem;
    font-weight: bold;
    color: #1f2937;
    margin-bottom: 1rem;
}

.card-description {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.card-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.link-icon {
    font-size: 1.25rem;
}

.features-section {
    margin-top: 5rem;
    text-align: center;
}

.features-title {
    font-size: 2rem;
    color: white;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.footer {
    margin-top: 5rem;
    text-align: center;
    padding: 2rem;
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .company-name {
        font-size: 2.5rem;
    }

    .main-title {
        font-size: 2.5rem;
    }

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

    .portfolio-card {
        padding: 2rem 1.5rem;
    }

    .main-content {
        padding: 2rem 1rem;
    }

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

@media (max-width: 480px) {
    .company-name {
        font-size: 2rem;
    }

    .main-title {
        font-size: 2rem;
    }

    .card-title {
        font-size: 1.5rem;
    }

    .portfolio-card {
        padding: 1.5rem 1rem;
    }
}
.name{
    color: orange;
}