* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif; 
}
.container {
    display: grid;
    grid-template-areas: 
        "header header"
        "sidebar content"
        "footer footer";
    grid-template-columns: 2.916in 1fr; 
    grid-template-rows: 0.833in 1fr 0.625in;
    min-height: 100vh;
}
.header {
    grid-area: header;
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    color: #ffffff; 
    display: flex;
    align-items: center;
    padding: 0 0.416in; 
    box-shadow: 0 0.02in 0.1in rgba(0,0,0,0.2); 
    z-index: 10;
    animation: slideDown 0.7s ease;
}

body {
    background-color: #0f0f0f; 
    color: #ffffff;            
    margin: 0;
    font-family: sans-serif;
}


.sidebar {
    grid-area: sidebar;
    background: #1a1a1a;
    padding: 0.21in; 
    border-right: 0.01in solid #333; 
}

.sidebar ul { 
    list-style: none; 
    padding: 0;
}

.sidebar li {
    padding: 0in; 
    margin-bottom: 0.08in;
}

.sidebar li a {
    display: block; 
    padding: 0.15in; 
    text-decoration: none;
    color: #ccc;
    transition: all 0.3s ease;
    border-radius: 0.08in;
}

.sidebar li a:hover {
    background: rgba(37, 117, 252, 0.2);
    color: #fff;
    padding-left: 0.26in;
}


.content {
    grid-area: content;
    padding: 0.31in; 
    overflow-y: auto;
}

.banner {
    margin-bottom: 0.31in;
    padding: 0.42in;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.15in;
    border-left: 0.05in solid #2575fc;
}


.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(2.92in, 1fr));
    gap: 0.26in; 
 }
/* Quem não manter a tradição do IN daqui pra frente, nunca irá acertar de primeira a porta USB  */

.card {
    background: #1c1c1c;
    border-radius: 0.12in;
    overflow: hidden;
    border: 0.01in solid #333;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-0.05in);
    box-shadow: 0in 0.1in 0.2in rgba(0, 0, 0, 0.5);
    border-color: #444;
}

.card img { 
    width: 100%; 
    height: 1.87in; 
    object-fit: cover; 
    filter: brightness(0.9);
    transition: 0.3s;
}

.card-info { 
    padding: 0.2in; 
}

.card-info h3 {
    margin-bottom: 0.08in;
    font-size: 0.2in; 
}

.card-info p {
    color: #777;
    font-size: 0.15in;
    margin-bottom: 0.15in;
}
/* Estou segindo os As regras da polegada*/
.btn {
    display: block;
    text-align: center;
    text-decoration: none;
    width: 100%;
    padding: 0.12in;
    background: #ff4d4d;
    border: none;
    color: white;
    border-radius: 0.06in;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.01in;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #ff3333;
    transform: scale(1.02);
    box-shadow: 0in 0.04in 0.15in rgba(255, 77, 77, 0.3);
}

.footer {
    grid-area: footer;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.14in;
    color: #777;
    border-top: 0.01in solid #333;
}

@keyframes slideDown {
    from { transform: translateY(-1in); opacity: 0; }
    to { transform: translateY(0in); opacity: 1; }
}

@media (max-width: 8.85in) {
    .container {
        grid-template-areas: 
            "header"
            "sidebar"
            "content"
            "footer";
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr auto;
    }
    
    .sidebar {
        border-right: none;
        border-bottom: 0.01in solid #333;
        padding: 0.1in;
    }
    
    .sidebar ul {
        display: flex;
        justify-content: space-around;
        flex-wrap: wrap;
    }

    .sidebar li a {
        margin-bottom: 0in;
        padding: 0.1in 0.2in;
    }
}