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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
}

.nav-bar {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #FF0000;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: rgba(255, 0, 0, 0.5);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

main {
    margin-top: 80px;
}

.section {
    min-height: 70vh;
    padding: 4rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.section:nth-child(odd) {
    background-color: rgba(217, 217, 217, 0.15);
}

.section:nth-child(even) {
    background-color: rgba(97, 97, 97, 0.15);
}

.section-content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
}

.section h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: #333;
}

.section p {
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.email {
    font-size: 1.3rem;
    font-weight: 500;
    color: #333;
    margin-top: 1.5rem;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding: 2rem 0;
}

.app-spot {
    aspect-ratio: 1;
    background-color: rgba(255, 255, 255, 0.8);
    border: 2px dashed rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-spot:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.app-spot::before {
    content: 'App Icon';
    color: rgba(0, 0, 0, 0.3);
    font-size: 0.9rem;
}

@media (max-width: 1024px) {
    .apps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-bar {
        gap: 1rem;
    }

    .section h1 {
        font-size: 2rem;
    }

    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .nav-bar {
        flex-direction: column;
        gap: 0.5rem;
    }
}

