/* Project Detail Page Styles */
.project-detail-page {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.project-detail-section {
    padding-top: calc(var(--header-height) + var(--spacing-2xl));
    padding-bottom: 0;
}

.project-detail-section+.footer-section {
    padding-top: 0;
}

.project-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    padding-bottom: calc(var(--spacing-2xl) - var(--spacing-sm));
    align-items: start;
}

.detail-title {
    font-family: var(--font-primary);
    font-size: clamp(24px, 2.7vw, 44px);
    font-weight: var(--font-weight-regular-thin);
    color: var(--color-bg-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    overflow-wrap: break-word;
}

@media (min-width: 992px) {
    .detail-title {
        white-space: nowrap;
    }
}

.specs-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
}

.spec-item {
    display: flex;
    gap: var(--spacing-sm);
    font-family: var(--font-secondary);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    opacity: 0.9;
}

.spec-label {
    min-width: 100px;
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Right Column: Description */
.project-description-col p {
    font-family: var(--font-secondary);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

/* Gallery */
.project-gallery {
    display: flex;
    flex-direction: column;
    gap: 10px;
    /* Vertical gap between rows */
    width: 100%;
    padding: 0 var(--spacing-sm);
}

.gallery-row {
    display: flex;
    gap: 10px;
    /* Horizontal gap between images */
    width: 100%;
    height: 35vw;
    /* Match original 16:9 fluid height */
    max-height: 700px;
    min-height: 300px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    /* Indicate clickable */
}

/* Asymmetric Widths */
.gallery-item.item-large {
    flex: 1.5;
    /* 61.5% approx */
}

.gallery-item.item-small {
    flex: 1;
    /* 38.5% approx */
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform var(--transition-slow);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.03);
}

/* Lightbox Styles */
/* Lightbox Styles */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    /* Hardcoded white for perfect blend */
    z-index: 2000;
    display: flex;
    /* Always flex layout */
    justify-content: center;
    align-items: center;

    /* Animation Initial State */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    pointer-events: none;
    /* Prevent clicks when hidden */
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.lightbox-content {
    position: relative;
    width: 90%;
    height: 90%;
    max-width: 1200px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #ffffff;
    /* Explicit white to prevent dark bleed */
    transform: scale(0.95);
    transition: transform 0.5s cubic-bezier(0.2, 0, 0.2, 1);
    overflow: hidden;
    /* Clips any overflow from scaling */
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-slider {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.2, 0, 0.2, 1);
    will-change: transform;
}

.lightbox-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.lightbox-image {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border: none;
    outline: none;
    box-shadow: 0 0 0 1px #ffffff;
    background-color: #ffffff;
    transform: scale(1.0);
    /* 1.01 yerine 1 yapıldı daha natürel */
    will-change: transform, transform-origin;
    /* İmleç eski haline (varsayılan) getirildi, büyüteçler silindi */
    cursor: default;
    /* Pan yaparken takılmaması (stutter) için transform-origin animasyonu iptal edildi, anında fareyi izlesin */
    transition: transform 0.5s cubic-bezier(0.2, 0, 0.2, 1);
}

.lightbox-image.zoomed {
    transform: scale(2.5) !important;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: var(--color-text);
    cursor: pointer;
    z-index: 2001;
    line-height: 1;
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--color-text);
    opacity: 0.6;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    font-size: 40px;
    color: var(--color-text);
    cursor: pointer;
    z-index: 2001;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: opacity var(--transition-fast), background-color var(--transition-fast);
}



.lightbox-prev:hover,
.lightbox-next:hover {
    opacity: 0.6;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {

    /* Intro Section */
    .project-intro-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        width: 100%;
        max-width: 100%;
    }

    .detail-title {
        font-size: clamp(24px, 6.5vw, 32px);
        white-space: normal;
        overflow-wrap: break-word;
        word-break: normal;
    }

    /* Gallery */
    .gallery-row {
        flex-direction: column;
        gap: 10px;
        height: auto;
    }

    .gallery-item {
        width: 100% !important;
        flex: auto !important;
        height: 60vw;
        /* 60% of viewport width height for vertical images */
    }

    /* Lightbox Mobile Adjustments */
    .lightbox-content {
        max-width: 90%;
        /* Resmin sağından ve solundan 5% boşluk bırakır */
    }

    .lightbox-image {
        max-width: 100%;
        max-height: 80vh;
    }

    .lightbox-prev,
    .lightbox-next {
        font-size: 26px;
        width: 34px;
        height: 34px;
        padding: 0;
        background-color: transparent;
        color: var(--color-text);
        border-radius: 0;
        backdrop-filter: none;
    }

    .lightbox-prev {
        left: calc(5% + 2px);
        /* 5% resmin başlangıcıdır, 2px resmin tam üzerine binmesi için */
    }

    .lightbox-next {
        right: calc(5% + 2px);
        /* 5% resmin başlangıcıdır, 2px resmin tam üzerine binmesi için */
    }

    .lightbox-close {
        font-size: 30px;
        top: 15px;
        right: 15px;
    }
}

/* =========================================
   BACK TO PROJECTS BUTTON (MIRRORED TOP BUTTON)
========================================= */
.back-to-projects-btn {
    position: fixed;
    bottom: 40px;
    left: 40px;
    width: 90px;
    /* Sabit Genişlik (TOP butonuyla eşit) */
    padding: 0;
    height: 50px;
    background-color: var(--color-bg-dark) !important;
    color: var(--color-bg) !important;
    border: none;
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9999;
    opacity: 1 !important;
    /* a taginin 0.7 hoverını kesmek için */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.back-to-projects-btn i,
.back-to-projects-btn svg {
    /* Ok ikonunu merkeze sabitlemek / büyütmek için */
    width: 20px;
    height: 20px;
}

.back-to-projects-btn:hover {
    background-color: var(--color-black) !important;
    opacity: 1 !important;
    transform: translateY(-5px);
}

.dark-mode .back-to-projects-btn {
    background-color: var(--color-bg);
    color: var(--color-bg-dark);
}

.dark-mode .back-to-projects-btn:hover {
    background-color: #e0e0e0;
}

@media (max-width: 768px) {
    .back-to-projects-btn {
        bottom: 20px;
        left: 20px;
        width: 64px;
        /* Mobildeki TOP botonuyla eşit genişlik */
        height: 36px;
        padding: 0;
    }
}