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

body {
    font-family: 'Arial', sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* ================= PRODUCT DETAIL ================= */
.product-detail {
    max-width: 1000px;
    margin: 40px auto;
    padding: 20px 5%;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
}

.product-detail h1 {
    color: #1e3d59;
    margin-bottom: 30px;
    font-size: 32px;
}

/* ================= PRODUCT IMAGE ================= */
.product-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 10px;
    object-fit: cover;
    margin-bottom: 25px;
}

/* ================= PRODUCT DESCRIPTION ================= */
.product-description {
    text-align: left;
    max-width: 700px;
    margin: 0 auto 30px auto;
}

.product-description p {
    margin-bottom: 20px;
    font-size: 16px;
}

.product-specs {
    list-style: none;
    padding-left: 0;
}

.product-specs li {
    margin-bottom: 10px;
    font-size: 15px;
}

/* ================= PRODUCT ACTIONS ================= */
.product-actions button {
    padding: 10px 25px;
    background: #1e3d59;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

.product-actions button:hover {
    background: #f5b041;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 992px) {
    .product-detail h1 {
        font-size: 28px;
    }

    .product-description p {
        font-size: 15px;
    }

    .product-specs li {
        font-size: 14px;
    }
}

@media (max-width: 600px) {
    .product-detail {
        padding: 15px 5%;
    }

    .product-detail h1 {
        font-size: 22px;
    }

    .product-description p {
        font-size: 14px;
    }

    .product-specs li {
        font-size: 13px;
    }

    .product-actions button {
        font-size: 14px;
        padding: 8px 20px;
    }
}