/* General Layout Variables & Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f4f7f6;
    color: #333;
}

.container {
    width: 85%;
    max-width: 1100px;
    margin: auto;
    overflow: hidden;
    padding: 20px 0;
}

/* Header UI Elements */
header {
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: #fff;
    padding-top: 60px;
    padding-bottom: 60px;
    text-align: center;
    border-bottom: #4caf50 4px solid;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

/* Reusable Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s ease;
}

.btn-primary {
    background: #4caf50;
    color: #fff;
}

.btn-primary:hover {
    background: #45a049;
}

.btn-secondary {
    background: #0f2027;
    color: #fff;
    margin-top: 15px;
    font-size: 0.9rem;
}

.btn-secondary:hover {
    background: #203a43;
}

/* Main Display Apps Grid Layout */
main h2 {
    text-align: center;
    margin: 40px 0 20px 0;
    color: #2c5364;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding-bottom: 40px;
}

.app-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    border: 1px solid #e1e8ed;
}

.app-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
}

.app-card h3 {
    margin-bottom: 10px;
    color: #0f2027;
}

.app-card p {
    font-size: 0.95rem;
    color: #666;
}

/* Footer Element */
footer {
    background: #0f2027;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    font-size: 0.9rem;
}