:root {
    --bg-dark: #121212;
    --bg-card: rgba(30, 30, 30, 0.7);
    --text-light: #f5f5f5;
    --text-muted: #b0b0b0;
    --border-light: rgba(255, 255, 255, 0.1);
    --border-card: rgba(255, 255, 255, 0.2);
    --highlight-gradient: linear-gradient(90deg, #00c6ff, #0072ff);
    --highlight-color: #0099ff;
    --shadow-inset: inset 0 0 15px rgba(0, 0, 0, 0.5);
}

/* ... (O restante do código CSS que você já tem) ... */

body.dark-mode {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 30px 20px;
    min-height: 100vh;
    transition: background-color 0.5s ease;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 20%, #2a2a2a, #121212 50%, #000 100%);
    z-index: -1;
}

.container {
    padding: 30px;
    border-radius: 20px;
    max-width: 600px; /* Reduzi a largura máxima para alinhar melhor o layout em uma coluna */
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 25px;
    position: relative;
    z-index: 1;
}

.product-photo {
    text-align: center;
    margin: 20px 0;
}

.product-photo img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
}

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

.header-section {
    text-align: center;
    margin-bottom: 20px;
}

.main-title {
    font-size: 2.5em;
    font-weight: 700;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--highlight-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.1em;
    color: var(--text-muted);
    margin-top: 5px;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 15px;
    padding: 25px;
    flex-grow: 1;
    box-sizing: border-box;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px var(--highlight-color);
}

.card h2 {
    font-size: 1.6em;
    font-weight: 600;
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--text-light);
    border-bottom: 2px solid var(--border-card);
    padding-bottom: 10px;
}

.link-item,
.spec-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-card);
    transition: background-color 0.3s ease;
}

.link-item:hover, .spec-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.link-item:last-child,
.spec-item:last-child {
    border-bottom: none;
}

.link-item i,
.spec-item i {
    font-size: 1.8em;
    width: 40px;
    text-align: center;
    background: var(--highlight-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.link-info,
.spec-info {
    flex-grow: 1;
}

.link-label,
.spec-title {
    font-weight: 600;
    margin: 0;
    font-size: 1.05em;
    color: var(--text-light);
}

.link-item a {
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95em;
    background: var(--highlight-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.link-item a:hover {
    text-decoration: underline;
}

.spec-item p {
    margin: 0;
    font-size: 0.95em;
    color: var(--text-muted);
}