/* ==========================================================================
   Pyrite Séjours - Collection Page Styles
   ========================================================================== */

/* Hero Specifics for Collections */
.collection-hero {
    height: 70vh;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding-bottom: 5rem;
    position: relative;
    background-size: cover;
    background-position: center;
}

.collection-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.6) 100%);
    z-index: 1;
}

.collection-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 800px;
    padding: 0 2rem;
}

/* Breadcrumb */
.breadcrumb {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.breadcrumb a {
    color: #fff;
    text-decoration: none;
    transition: opacity 0.3s;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb-separator {
    margin: 0 0.5rem;
}

/* Titles */
.collection-hero-title {
    font-family: var(--font-title);
    font-size: 3.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
    line-height: 1.1;
    font-style: italic;
}

.collection-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.3);
    font-family: var(--font-ui);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 4px;
    margin-top: 1rem;
}

/* Editorial Section */
.collection-editorial {
    padding: 5rem 2rem;
    background-color: var(--color-offwhite);
    text-align: center;
}

.editorial-content {
    max-width: 700px;
    margin: 0 auto;
    font-family: var(--font-body);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-anthracite);
}

/* Filter Bar */
.collection-filters {
    padding: 2rem 2rem 0;
    background-color: var(--color-offwhite);
    display: flex;
    justify-content: center;
}

.filters-container {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1000px;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--color-anthracite);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-btn.active {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* Properties Grid */
.collection-properties {
    padding: 2rem 2rem 5rem;
    background-color: var(--color-offwhite);
}

.properties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* FAQ Accordion */
.collection-faq {
    padding: 5rem 2rem;
    background-color: #fff;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-title {
    text-align: center;
    font-family: var(--font-title);
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 0;
}

.faq-question {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-anthracite);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease, opacity 0.4s ease;
    opacity: 0;
    font-family: var(--font-body);
    line-height: 1.6;
    color: #555;
}

.faq-item.active .faq-answer {
    max-height: 500px; /* arbitrary large value */
    padding-top: 1rem;
    opacity: 1;
}

/* Cross-Selling (Other Collections) */
.other-collections {
    padding: 5rem 2rem;
    background-color: var(--color-offwhite);
}

.other-collections-title {
    text-align: center;
    font-family: var(--font-title);
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.other-collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.other-collection-card {
    display: block;
    text-decoration: none;
    color: var(--color-anthracite);
    transition: transform 0.3s ease;
}

.other-collection-card:hover {
    transform: translateY(-5px);
}

.other-collection-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.other-collection-name {
    font-family: var(--font-title);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .collection-hero-title {
        font-size: 2.5rem;
    }
    
    .properties-grid {
        grid-template-columns: 1fr;
    }
}