/* ============================================
   SIRATIM - PORTFOLIO PAGE STYLES
   ============================================ */

/* Section 1: Hero */
.portfolio-hero {
    padding: 6rem 0 4rem;
    background: linear-gradient(to bottom, var(--bg-white) 0%, #FAFAFA 100%);
    position: relative;
    overflow: hidden;
}

.portfolio-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--divider), transparent);
}

.portfolio-hero-grid {
    align-items: center;
    justify-content: center;
    min-height: 50vh;
    gap: 2rem;
}

.portfolio-hero-content {
    opacity: 1;
    transform: translateY(0);
    text-align: center;
    margin: 0 auto;
    max-width: 900px;
}

.portfolio-hero-title {
    font-size: clamp(3.5rem, 7vw, 6rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #1a1a1a 0%, var(--brand-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    letter-spacing: -0.02em;
    opacity: 1;
    transform: translateX(0);
    will-change: transform, opacity;
    text-align: center;
}

.portfolio-hero-subline {
    font-size: clamp(1.375rem, 3vw, 1.75rem);
    font-weight: 500;
    background: linear-gradient(135deg, var(--brand-red) 0%, #C4121F 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
    opacity: 1;
    transform: translateX(0);
    will-change: transform, opacity;
    text-align: center;
}

/* Section 2: Filter Bar */
.portfolio-filters {
    background: var(--bg-white);
    border-bottom: 1px solid var(--divider);
    position: sticky;
    top: 80px;
    z-index: 100;
    padding: var(--spacing-md) 0;
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
}

.filter-chip {
    padding: 0.625rem 1.25rem;
    background: var(--bg-white);
    border: 1px solid var(--divider);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--secondary-text);
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-body);
}

.filter-chip:hover {
    border-color: var(--brand-red);
    color: var(--brand-red);
    transform: translateY(-2px);
}

.filter-chip.active {
    background: var(--brand-red);
    color: var(--bg-white);
    border-color: var(--brand-red);
}

/* Section 3: Masonry Grid */
.portfolio-grid-section {
    background: var(--bg-white);
    padding-bottom: var(--spacing-xxl);
}

.portfolio-masonry {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.portfolio-item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
    transition: var(--transition-base);
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    display: flex;
    flex-direction: column;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px var(--hover-shadow);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* Square aspect ratio */
    overflow: hidden;
    background: linear-gradient(135deg, #F5F5F5 0%, #E8E8E8 100%);
}

.portfolio-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.bottle-icon {
    font-size: 4rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.portfolio-brand-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-text);
    text-align: center;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(164, 22, 26, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-view-btn {
    color: var(--bg-white);
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--bg-white);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.portfolio-view-btn:hover {
    background: var(--bg-white);
    color: var(--brand-red);
}

.portfolio-info {
    padding: var(--spacing-md);
}

.portfolio-brand {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-text);
}

.portfolio-category {
    font-size: 0.9375rem;
    color: var(--muted-text);
    text-transform: capitalize;
}

/* Modal Styles */
.portfolio-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
}

.portfolio-modal.active {
    display: flex;
}

.portfolio-modal.visible {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    z-index: 10000;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-white);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-text);
    z-index: 10001;
    transition: var(--transition-base);
    box-shadow: 0 2px 8px var(--shadow);
}

.modal-close:hover {
    background: var(--brand-red);
    color: var(--bg-white);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-xl);
}

/* Before/After Toggle */
.before-after-toggle {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    background: var(--divider);
    padding: 4px;
    border-radius: var(--radius-full);
    width: fit-content;
}

.toggle-btn {
    padding: 0.625rem 1.25rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--secondary-text);
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-body);
}

.toggle-btn.active {
    background: var(--brand-red);
    color: var(--bg-white);
}

/* Modal Image Container */
.modal-image-container {
    width: 100%;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: linear-gradient(135deg, #F5F5F5 0%, #E8E8E8 100%);
    min-height: 400px;
    position: relative;
}

.modal-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75%; /* 4:3 aspect ratio */
}

.modal-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image.active {
    opacity: 1;
    visibility: visible;
}

.image-placeholder-modal {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
    height: 100%;
}

.bottle-icon-large {
    font-size: 8rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.image-placeholder-modal span {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-text);
}

/* Modal Details */
.modal-details {
    margin-top: var(--spacing-lg);
}

.modal-brand-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-text);
}

.modal-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.modal-category,
.modal-size {
    padding: 0.5rem 1rem;
    background: var(--divider);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--secondary-text);
    text-transform: capitalize;
}

.modal-section {
    margin-bottom: var(--spacing-lg);
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-text);
}

.modal-section-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--secondary-text);
}

/* Responsive */
@media (max-width: 991px) {
    .portfolio-hero {
        padding: 3rem 0 2rem;
    }
    
    .portfolio-hero-grid {
        gap: 2rem;
    }
    
    .portfolio-hero-content {
        text-align: center;
        padding: 0 1.5rem;
    }
    
    .portfolio-hero-title {
        font-size: clamp(2.5rem, 6vw, 4rem);
    }
    
    .portfolio-hero-subline {
        font-size: clamp(1.25rem, 3.5vw, 1.625rem);
    }
}

@media (max-width: 767px) {
    .portfolio-hero {
        padding: calc(var(--header-height) + 2rem) 0 3rem;
    }
    
    .portfolio-hero-grid {
        min-height: auto;
        gap: 2rem;
        justify-content: center;
        align-items: center;
        display: flex !important;
        flex-direction: column;
    }
    
    .portfolio-hero-grid .col-12 {
        grid-column: 1 / -1;
        width: 100%;
        max-width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .portfolio-hero-content {
        text-align: center !important;
        padding: 0 1.5rem;
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    
    .portfolio-hero-title {
        font-size: clamp(3.5rem, 14vw, 5rem);
        margin-bottom: 1.25rem;
        line-height: 1.1;
        letter-spacing: -0.03em;
        text-align: center !important;
        width: 100%;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }
    
    .portfolio-hero-subline {
        font-size: clamp(1.25rem, 5vw, 1.5rem);
        margin-bottom: 1.25rem;
        text-align: center !important;
        width: 100%;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }
    
    .portfolio-filters {
        top: 70px;
        padding: var(--spacing-sm) 0;
    }

    .filter-bar {
        gap: var(--spacing-xs);
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-xs);
        -webkit-overflow-scrolling: touch;
    }

    .filter-chip {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
        white-space: nowrap;
    }

    .portfolio-masonry {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .modal-content {
        max-width: 100%;
        max-height: 95vh;
        margin: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .portfolio-hero {
        padding: calc(var(--header-height) + 1.5rem) 0 2.5rem;
    }
    
    .portfolio-hero-grid {
        gap: 1.5rem;
        justify-content: center;
        align-items: center;
        display: flex !important;
        flex-direction: column;
    }
    
    .portfolio-hero-grid .col-12 {
        grid-column: 1 / -1;
        width: 100%;
        max-width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .portfolio-hero-content {
        padding: 0 1rem;
        text-align: center !important;
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    
    .portfolio-hero-title {
        font-size: clamp(3rem, 15vw, 4.5rem);
        margin-bottom: 1rem;
        text-align: center !important;
        width: 100%;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }
    
    .portfolio-hero-subline {
        font-size: clamp(1.125rem, 5vw, 1.375rem);
        margin-bottom: 1rem;
        text-align: center !important;
        width: 100%;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }

    .modal-body {
        padding: var(--spacing-md);
    }

    .modal-image-container {
        min-height: 300px;
    }

    .bottle-icon-large {
        font-size: 5rem;
    }

    .before-after-toggle {
        width: 100%;
        justify-content: stretch;
    }

    .toggle-btn {
        flex: 1;
        text-align: center;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .portfolio-item,
    .filter-chip,
    .modal-content {
        transition: none;
    }

    .portfolio-item:hover {
        transform: none;
    }

    .modal-image {
        transition: none;
    }
}