:root {
    --primary-color: #007bff;
    --hover-color: #0056b3;
    --bg-color: #f4f4f9;
    --card-bg: #ffffff;
    --text-color: #333;
    --accnet-color: #6c757d;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    width: 90%;
    text-align: center;
    opacity: 0;
    /* Hidden initially for JS animation */
    transform: translateY(20px);
}

h1 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.intro-text {
    font-size: 1.1rem;
    color: var(--accnet-color);
    margin-bottom: 2rem;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 2rem;
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.app-item {
    display: flex;
}

.app-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    width: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.app-btn:nth-child(1) {
    background-color: #e3f2fd;
    /* Pastel Blue */
    border-color: #bbdefb;
}

.app-btn:nth-child(2) {
    background-color: #e8f5e9;
    /* Pastel Green */
    border-color: #c8e6c9;
}

.app-btn:nth-child(3) {
    background-color: #fff3e0;
    /* Pastel Orange */
    border-color: #ffe0b2;
}

.app-btn:nth-child(4) {
    background-color: #f3e5f5;
    /* Pastel Purple */
    border-color: #e1bee7;
}

.app-btn:hover {
    filter: brightness(0.97);
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.app-btn h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.app-btn p {
    font-size: 0.9rem;
    margin: 0;
    color: var(--accnet-color);
}

.contact-info {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
    font-size: 0.95rem;
}

.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Animation classes */
.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

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

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