/* File: stylle.css (Dành riêng cho trang chi tiết) */

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

body {
    margin: 0;
    height: 100vh;
    width: 100vw;
    overflow: hidden; 
    background: radial-gradient(circle, #2c2c2c 0%, #000000 100%); 
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', Roboto, sans-serif;
    color: white;
}

header {
    text-align: center;
    padding: 20px;
    font-size: 1.5rem;
    font-weight: 300; 
    letter-spacing: 5px; 
     text-transform: uppercase;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.product-card {
    flex: 1; 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}


.product-card h2 {
    font-size: 3.5rem; 
     font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 10px;
    
     color: #ffffff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.4), 
                 2px 2px 10px rgba(0, 0, 0, 1);
}

.product-card p {
    font-size: 1.5rem;
    color: #c0c0c0; 
    margin-bottom: 20px;
    font-weight: 300;
}


.product-card img {
    width: auto;
    max-width: 85%; 
    max-height: 55vh;
     object-fit: contain;
    
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.8));
    transition: transform 0.5s ease;
}

.product-card img:hover {
    transform: scale(1.02);
}


.button {
    padding: 12px 35px;
    margin: 10px;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.5);
    background: transparent;
    color: white;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.button:hover {
    background: white;
    color: black;
    box-shadow: 0 0 20px rgba(255,255,255,0.5);
}

/* Nút Wikipedia có thể để màu đặc trưng của nó hoặc giữ tone xám */
.button3 {
    border-radius: 4px;
}

.button4 {
    border-radius: 4px;
}