:root {
    --primary-teal: #a4b697;
    --line-teal: #8f9b88;
    --text-dark: #555555;
    --text-light: #888888;
    --red-strike: #cc4b4b;
    --bg-color: #ffffff;
}

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

body {
    font-family: 'Lato', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
}

.detail-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 20px;
}

/* Back Link */
.back-link {
    display: inline-block;
    text-decoration: none;
    color: var(--text-dark);
    font-size: 16px;
    margin-bottom: 40px;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--primary-teal);
}

/* Hero Section */
.detail-hero {
    display: flex;
    gap: 50px;
    align-items: center;
    margin-bottom: 80px;
}

.hero-image-wrapper {
    flex: 1;
}

.hero-image-wrapper img {
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: 450px;
    border-radius: 15px;
    object-fit: cover;
    object-position: center 20%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.hero-info {
    flex: 1;
}

.category-label {
    font-size: 16px;
    color: var(--text-light);
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.treatment-title {
    font-size: 36px;
    font-weight: 300;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.pricing-box {
    font-size: 24px;
    margin-bottom: 25px;
    display: flex;
    gap: 15px;
    align-items: center;
}

.current-price {
    color: var(--primary-teal);
    font-weight: bold;
    font-size: 28px;
}

.old-price {
    color: var(--red-strike);
    text-decoration: line-through;
    font-size: 20px;
    opacity: 0.8;
}

.treatment-desc {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
}

/* Divider */
.divider {
    border: 0;
    height: 1px;
    background: #e8e8e8;
    margin: 50px 0;
}

/* Detail Specs */
.detail-specs {
    display: flex;
    gap: 60px;
    margin-bottom: 80px;
}

.col-left,
.col-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.spec-block {
    width: 100%;
}

.spec-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--line-teal);
}

.spec-text {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
}

.spec-list {
    list-style-type: none;
    padding-left: 10px;
}

.spec-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    color: var(--text-light);
    font-size: 15px;
}

.spec-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-teal);
    font-size: 20px;
    top: -2px;
}

/* CTA Button */
.cta-wrapper {
    text-align: center;
    padding: 40px 0;
}

.btn-reservasi {
    background-color: var(--primary-teal);
    color: #ffffff;
    border: none;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    font-family: inherit;
    letter-spacing: 0.5px;
}

.btn-reservasi:hover {
    background-color: #8f9b88;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(164, 182, 151, 0.3);
}

/* Mobile Responsive */
@media (max-width: 800px) {
    .detail-hero {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 50px;
    }

    .hero-image-wrapper img {
        aspect-ratio: 16 / 10;
        max-height: 350px;
    }

    .detail-specs {
        flex-direction: column;
        gap: 40px;
    }

    .treatment-title {
        font-size: 28px;
    }
}