:root {
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Montserrat', sans-serif;
    --color-text: #333;
    --color-primary: #a38a70;
    --color-bg: #fdfdfd;
    --color-border: #eee;
    --color-dark: #222;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    margin: 0;
    padding: 0;
    font-weight: 300;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-bottom: 80px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--color-dark);
}

.site-header {
    width: 100%;
    padding: 20px 0;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.header-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    padding: 0 10px;
}

.logo-link {
    display: inline-block;
    padding-bottom: 5px;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-all;
    font-size: 2.5rem;
}

.logo-image {
    max-height: 40px;
    width: auto;
    max-width: 100%;
    display: block;
    margin: 0 auto;
}

.header-divider {
    width: 100%;
    height: 2px;
    background-color: var(--color-border);
    margin-top: 10px;
}

.main-content {
    width: 100%;
    max-width: 1400px;
    margin: 40px auto;
    min-height: calc(100vh - 250px);
    padding: 0 10px;
}

.catalog-container {
    width: 100%;
}

.info-box {
    display: flex;
    align-items: center;
    background-color: #f8f8f8;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 30px;
}

.info-box-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    background-color: #fff;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    min-width: 30px;
    margin-right: 20px;
}

.info-box p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

.info-box p strong {
    display: block;
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-dark);
    margin-bottom: 5px;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.product-card-wrapper {
    display: flex;
    align-items: stretch;
    gap: 15px;
    width: 100%;
    position: relative;
}

.product-card-wrapper.out-of-stock {
    opacity: 0.7;
}

.product-selection-cell {
    padding-top: 15px;
    flex-shrink: 0;
}

.product-checkbox {
    display: none;
}

.product-checkbox + .checkbox-label {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 2px solid #ccc;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
    position: relative;
}

.product-checkbox:checked + .checkbox-label {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.product-checkbox:checked + .checkbox-label::after {
    content: '✓';
    font-size: 18px;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    line-height: 1;
}

.product-card {
    display: flex;
    flex-direction: row;
    flex-grow: 1;
    min-width: 0;
    align-items: flex-start;
}

.product-checkbox:checked ~ .product-card {
    border-color: transparent;
    box-shadow: none;
}

.product-gallery {
    width: 35%;
    min-width: 250px;
    aspect-ratio: 1 / 1.1;
    background-color: transparent;
    position: relative;
}

.product-gallery .gallery-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    cursor: zoom-in;
}

.discount-badge-overlay {
    position: absolute;
    top: 5px;
    left: 5px;
    background-color: #a38a70;
    color: #fff;
    padding: 2px 6px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 3px;
    z-index: 2;
}

.product-info {
    padding: 10px 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    width: 65%;
    min-width: 0;
}


.product-mercury-info {
    font-size: 0.9rem;
    line-height: 1.5;
    flex-grow: 1;
}
.product-mercury-info p {
    margin: 0 0 2px 0;
}

.mercury-brand {
    font-weight: 700;
    color: var(--color-dark);
    font-size: 1rem;
    margin-bottom: 5px;
}

.mercury-code {
    font-family: var(--font-sans);
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 10px;
}

.mercury-detail {
    font-size: 0.9rem;
}
.mercury-detail strong {
    font-weight: 500;
    color: var(--color-dark);
    min-width: 90px;
    display: inline-block;
}


.product-price {
    font-family: var(--font-serif);
    font-weight: 500;
    color: var(--color-dark);
    margin-top: auto;
    padding-top: 20px;
    border-top: none;
}

.price-old {
    text-decoration: line-through;
    color: #999;
    font-size: 0.9rem;
    margin-right: 5px;
    display: block;
}

.price-current-wrapper {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
}

.price-label {
    font-weight: 700;
    margin-right: 10px;
    font-size: 1rem;
}

.price-value {
    font-weight: 600;
    font-size: 1.2rem;
}

.price-sale {
    color: #c0392b;
}

.price-note {
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    font-weight: 400;
    margin: 0;
    display: inline;
}


.btn-primary, .btn-secondary {
    display: inline-block;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background-color 0.3s ease, transform 0.3s ease;
    width: 100%;
    box-sizing: border-box;
    margin-top: auto;
}
.btn-primary {
    background-color: var(--color-dark);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
}
.btn-primary:disabled,
.btn-primary[disabled] {
    background-color: #999;
    cursor: not-allowed;
    transform: none;
}
.btn-secondary {
    background-color: #f1f1f1;
    color: var(--color-dark);
    border: 1px solid #ddd;
}
.btn-secondary:hover {
    background-color: #e9e9e9;
}
.sticky-submit-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    padding: 15px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    text-align: center;
    z-index: 900;
}
.sticky-submit-bar .btn-primary {
    max-width: 400px;
    font-size: 1.1rem;
}
.site-footer-bottom {
    text-align: center;
    padding: 30px 20px;
    margin-top: 50px;
    border-top: 1px solid var(--color-border);
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--color-dark);
}
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.85);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.modal.show {
    display: block;
    opacity: 1;
}
.modal-close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: #aaa;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
    z-index: 10;
}
.modal-close:hover,
.modal-close:focus {
    color: #333;
    text-decoration: none;
}
.image-modal-close {
    color: #f1f1f1;
    font-size: 40px;
    top: 20px;
    right: 35px;
}
.image-modal-close:hover,
.image-modal-close:focus {
    color: #bbb;
}
.modal-content-image {
    margin: auto;
    display: block;
    width: auto;
    max-width: 90%;
    max-height: 90vh;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    transition: transform 0.3s ease;
    cursor: zoom-in;
}
.modal.show .modal-content-image {
    transform: translate(-50%, -50%) scale(1);
}
.modal-content-image.zoomed {
    transform: translate(-50%, -50%) scale(1.5);
    cursor: zoom-out;
}
.modal-content-form {
    background-color: #fff;
    margin: 5% auto;
    padding: 30px 40px;
    border-radius: 8px;
    width: 90%;
    max-width: 550px;
    position: relative;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}
.modal.show .modal-content-form {
     transform: scale(1);
}
.modal-content-form h2 {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 2rem;
    text-align: center;
    margin-top: 0;
    margin-bottom: 10px;
}
.modal-address {
    text-align: center;
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 25px;
    padding: 10px;
    background: #f8f8f8;
    border-radius: 5px;
    border: 1px solid var(--color-border);
}
.modal-content-form p {
    text-align: center;
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 25px;
}
.form-group {
    margin-bottom: 15px;
}
.form-group-with-icon {
    position: relative;
}
.form-group-with-icon input[type="text"] {
    padding-right: 40px;
}
.calendar-toggle-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
    cursor: pointer;
    transition: color 0.2s;
    padding: 5px;
}
.calendar-toggle-icon:hover {
    color: var(--color-primary);
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 5px rgba(163, 138, 112, 0.3);
}
.form-group-checkbox {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    cursor: pointer;
}
.form-group-checkbox input {
    margin-right: 10px;
    width: 16px;
    height: 16px;
    cursor: pointer;
}
.form-group-checkbox label {
    font-size: 0.85rem;
    color: #555;
    cursor: pointer;
}
#appointmentForm .btn-primary {
    width: 100%;
}
.form-message {
    text-align: center;
    margin-bottom: 15px;
    font-size: 0.95rem;
}
.form-message.success {
    color: green;
}
.form-message.error {
    color: red;
}
.form-phone-link {
    text-align: center;
    font-size: 0.9rem;
    color: #666;
    margin-top: 20px;
}
.form-phone-link a {
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
}
.form-phone-link a:hover {
    text-decoration: underline;
}
.selection-summary {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--color-border);
}
.selection-summary p {
    margin: 0 0 10px 0;
    font-size: 0.9rem;
}
.selection-summary p strong {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
}
.selection-summary ul {
    list-style: disc;
    padding-left: 25px;
    margin: 0;
}
.selection-summary li {
    font-size: 1rem;
    color: var(--color-text);
    font-weight: 400;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
}
.selection-summary li span {
    font-weight: 500;
    color: var(--color-primary);
    padding-left: 15px;
    text-align: right;
    white-space: nowrap;
}
.selection-summary .out-of-stock-note {
    font-size: 0.85rem;
    font-weight: 400;
    color: #c0392b;
    font-style: italic;
    margin-top: 10px;
}
.flatpickr-calendar {
    font-family: var(--font-sans);
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    border: 1px solid var(--color-border);
}
.flatpickr-day.selected {
    background: var(--color-dark);
    border-color: var(--color-dark);
}
.flatpickr-day.today {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.flatpickr-day.today:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}
.flatpickr-day:hover {
    background: #f0f0f0;
    border-color: #f0f0f0;
}
.flatpickr-months .flatpickr-prev-month:hover svg,
.flatpickr-months .flatpickr-next-month:hover svg {
    fill: var(--color-primary);
}
.time-slots-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 15px;
}
.time-slot-btn {
    padding: 10px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
}
.time-slot-btn:hover {
    background-color: #f7f7f7;
    border-color: #ccc;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.time-slot-btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}
.time-slot-btn.selected {
    background-color: var(--color-dark);
    color: #fff;
    border-color: var(--color-dark);
    font-weight: 500;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.btn-apply-time {
    width: auto;
    margin-top: 15px;
    font-size: 0.9rem;
    padding: 8px 20px;
}

@media (max-width: 900px) {
    .main-content,
    .header-container {
        padding: 0 10px;
        margin-top: 20px;
    }
    .product-grid {
        gap: 10px;
    }
    .product-card-wrapper {
        gap: 8px;
    }

    .product-gallery {
        width: 40%;
        min-width: 0;
    }

    .product-info {
        width: 60%;
        padding: 10px;
    }

    .mercury-brand {
        font-size: 0.9rem;
        margin-bottom: 2px;
    }
    .mercury-code {
        font-size: 0.8rem;
        margin-bottom: 5px;
    }
    .mercury-detail {
        font-size: 0.8rem;
    }
    .mercury-detail strong {
        min-width: 70px;
    }
    .product-price {
        font-size: 1rem;
    }
    .product-checkbox + .checkbox-label {
        width: 20px;
        height: 20px;
    }
    .product-checkbox:checked + .checkbox-label::after {
        font-size: 14px;
    }
    .product-selection-cell {
        padding-top: 10px;
    }
}

@media (max-width: 768px) {
    body {
        padding-bottom: 100px;
    }

    .product-grid {
        row-gap: 30px;
        column-gap: 10px;
    }

    .header-container {
        display: flex;
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .logo-link {
        font-size: 2rem;
        display: block;
        text-align: center;
        width: 100%;
    }
    .logo-image {
        max-height: 35px;
        margin: 0 auto;
    }

    .info-box {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }
    .info-box-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
    .sticky-submit-bar {
        padding: 10px 15px;
    }
    .sticky-submit-bar .btn-primary {
        font-size: 1rem;
    }
    .modal-content-form {
        width: 95%;
        margin: 5% auto;
        padding: 25px 15px;
    }
    .modal-content-form h2 {
        font-size: 1.7rem;
    }
    .time-slots-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    .time-slot-btn {
        font-size: 0.85rem;
    }

    .product-gallery {
        min-width: 0;
    }
}

@media (max-width: 600px) {
    .product-card {
        flex-direction: column;
    }

    .product-gallery {
        width: 100%;
        min-width: 0;
        aspect-ratio: 1/1;
    }

    .product-info {
        width: 100%;
        padding: 10px 5px;
    }

    .product-selection-cell {
        padding-top: 0;
        display: flex;
        align-items: center;
    }

    .mercury-detail-size strong {
        display: block;
        min-width: 0;
    }
}

@media (max-width: 450px) {
    .main-content,
    .header-container {
        padding: 0 5px;
    }

    .logo-link {
        font-size: 1.5rem;
    }

    .logo-image {
        max-height: 30px;
    }

    .product-grid {
        row-gap: 30px;
        column-gap: 8px;
    }

    .product-card-wrapper {
        gap: 5px;
    }

    .mercury-brand {
        font-size: 0.75rem;
    }
    .mercury-code {
        font-size: 0.7rem;
        margin-bottom: 3px;
    }
    .mercury-detail {
        font-size: 0.7rem;
        line-height: 1.3;
    }
    .mercury-detail strong {
        min-width: 0;
        margin-right: 3px;
    }

    .product-price {
        font-size: 0.9rem;
        padding-top: 10px;
        margin-top: 5px;
    }

    .price-old {
        font-size: 0.8rem;
    }

    .product-checkbox + .checkbox-label {
        width: 18px;
        height: 18px;
    }
    .product-checkbox:checked + .checkbox-label::after {
        font-size: 12px;
    }

    .time-slots-container {
        grid-template-columns: repeat(2, 1fr);
    }
}