/* ============================================
 * PORTFOLIO PAGE - Stili specifici per portfolio_keli/portfoli.html
 * 
 * Questo file contiene le definizioni di layout specifiche
 * per la pagina portfolio, separate da main.css per evitare conflitti.
 * ============================================ */

/* Portfolio Gallery */
.portfolio-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(200px, 25vw, 260px), 1fr));
    gap: clamp(1.5rem, 3vw, 2rem);
    margin-top: clamp(2rem, 4vw, 3rem);
    margin-bottom: clamp(2rem, 4vw, 3rem);
    padding: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* Card singola - OTTIMIZZATO per performance */
.portfolio-item {
    background: var(--glass-bg);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    overflow: hidden;
    cursor: pointer;
    /* Box-shadow ridotto per performance */
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    /* Transition semplificata - solo transform per performance */
    transition: transform 0.25s ease;
    /* Animazione di entrata - VELOCE */
    opacity: 0;
    transform: translateY(15px);
    /* Content-visibility per performance: renderizza solo quando visibile */
    content-visibility: auto;
    contain-intrinsic-size: 0 400px;
}

.portfolio-item.animate-in {
    opacity: 1;
    transform: translateY(0);
    /* IMPORTANTE: una volta animato, rimane così anche se esce dal viewport */
    /* La classe non viene rimossa, quindi non si ri-anima */
}

/* Mantiene proporzione uniforme per tutte le thumbnails - aspect ratio 1:1 (quadrato) */
.portfolio-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;  /* Quadrato - dimensione visiva uniforme */
    padding-top: 100%;    /* Fallback per browser che non supportano aspect-ratio */
    overflow: hidden;
    /* Placeholder gradient mentre l'immagine carica */
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(232, 180, 203, 0.15) 100%);
}

.portfolio-image-wrapper picture,
.portfolio-image-wrapper img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.portfolio-image-wrapper img {
    /* Immagini visibili di default */
    opacity: 1;
    transition: opacity 0.3s ease, transform 0.6s ease;
    display: block;
    visibility: visible;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Solo immagini lazy hanno opacity 0 inizialmente */
.portfolio-image-wrapper img.lazy {
    opacity: 0;
    visibility: hidden;
}

/* Quando caricate, diventano visibili */
.portfolio-image-wrapper img.is-loaded {
    opacity: 1 !important;
    visibility: visible !important;
}

/* Rimuovi lazy quando caricata */
.portfolio-image-wrapper img:not(.lazy) {
    opacity: 1;
    visibility: visible;
}

/* Fallback per immagini senza wrapper (se non c'è portfolio-image-wrapper) */
.portfolio-item > img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-image-wrapper img {
    transform: scale(1.05);
}

/* Testo sotto l'immagine (se presente) */
.portfolio-info {
    padding: 1.4rem 1.6rem 1.6rem;
}

.portfolio-category {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    background: var(--gradient-golden-rose);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.portfolio-title {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
    color: #fff;
    font-weight: 600;
}

.portfolio-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.5;
}

/* Overlay e icona occhio rimossi - solo hover mantenuto */

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.7);
    border-color: var(--metallic-gold);
}

.portfolio-item:hover .portfolio-image-wrapper img {
    transform: scale(1.05);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    padding: 0 2rem;
}

.filter-btn {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    color: rgba(255, 255, 255, 0.9);
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    cursor: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--gradient-golden-rose);
    color: var(--luxury-velvet);
    transform: translateY(-3px);
    box-shadow: var(--glow-golden);
}

/* Modal */
.modal,
#imageModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 20000; /* Sopra il language selector (10000) */
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.modal.show,
#imageModal.show {
    display: flex;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
    background: var(--luxury-velvet);
    border-radius: 20px;
    padding: 2rem;
    border: 2px solid var(--metallic-gold);
}

.modal picture,
.modal img,
#modalImage {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 25px;
    display: block;
    overflow: hidden;
}

.modal picture {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 25px;
    overflow: hidden;
}

/* Card rotonda con logo Keli per coprire watermark */
.modal-logo-watermark {
    position: absolute;
    bottom: 20px;
    left: 20px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-image: url('/portfolio_keli/src_img/IMAGES/logo_minisito.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    border: 3px solid var(--metallic-gold);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.5), 0 0 30px rgba(0, 0, 0, 0.8);
    z-index: 20003; /* Sopra le frecce (20002) */
    pointer-events: none; /* Non interferisce con i click */
}

/* Frecce di navigazione del modal */
.modal-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--metallic-gold);
    color: var(--luxury-velvet);
    border: 2px solid var(--metallic-gold);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 20002;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
    opacity: 1;
    pointer-events: auto;
    /* Assicura che solo le icone siano visibili, non testo */
    text-indent: 0;
    line-height: 1;
}

.modal-nav-btn > * {
    /* Nascondi qualsiasi testo che potrebbe essere aggiunto */
    display: block;
}

.modal-nav-btn i {
    /* Assicura che solo l'icona sia visibile */
    display: block;
    font-size: 1.5rem;
}

.modal-nav-btn:hover {
    background: var(--luxury-velvet);
    color: var(--metallic-gold);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.modal-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.modal-nav-prev {
    left: -80px;
}

.modal-nav-next {
    right: -80px;
}

/* Responsive: mobile - fullscreen senza frecce (touch screen) */
@media (max-width: 768px) {
    .modal,
    #imageModal {
        padding: 0;
        overflow-y: auto; /* Permette scroll verticale */
        -webkit-overflow-scrolling: touch; /* Smooth scroll su iOS */
    }
    
    .modal-content {
        max-width: 100%;
        width: 100%;
        max-height: 100vh; /* FIX: usa max-height invece di min-height */
        min-height: auto; /* Rimuove altezza minima forzata */
        border-radius: 0;
        padding: 0;
        border: none;
        background: transparent;
        display: flex;
        flex-direction: column;
        justify-content: center; /* FIX: centra verticalmente */
        align-items: center;
        overflow-y: auto; /* FIX: scroll verticale se necessario */
    }
    
    .modal picture {
        width: 100%;
        max-width: 100%;
        min-height: auto; /* FIX: rimuove altezza minima */
        display: flex;
        justify-content: center;
        align-items: center; /* FIX: centra verticalmente */
        border-radius: 0;
        overflow: visible;
        padding: 1rem; /* FIX: padding per evitare bordi tagliati */
    }
    
    .modal img,
    #modalImage {
        width: 100%;
        height: auto;
        max-width: 100%;
        max-height: 100vh; /* FIX: limita altezza massima, non minima */
        min-height: auto; /* FIX: rimuove altezza minima forzata */
        object-fit: contain; /* Mantiene proporzioni */
        object-position: center center; /* FIX: centra invece di top */
        border-radius: 0;
        display: block;
    }
    
    /* Nascondi completamente le frecce su mobile (touch screen, non mouse) */
    .modal-nav-btn {
        display: none !important;
    }
    
    .close-modal {
        top: 15px;
        right: 15px;
        font-size: 2rem;
        z-index: 20005;
        background: rgba(0, 0, 0, 0.5);
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        backdrop-filter: blur(10px);
    }
    
    .modal-logo-watermark {
        width: 50px;
        height: 50px;
        bottom: 15px;
        left: 15px;
        z-index: 20004;
    }
}

@media (max-width: 480px) {
    .modal,
    #imageModal {
        padding: 0;
        overflow-y: auto; /* Permette scroll verticale */
        -webkit-overflow-scrolling: touch; /* Smooth scroll su iOS */
    }
    
    .modal-content {
        max-width: 100%;
        width: 100%;
        max-height: 100vh; /* FIX: usa max-height invece di min-height */
        min-height: auto; /* Rimuove altezza minima forzata */
        border-radius: 0;
        padding: 0;
        border: none;
        background: transparent;
        overflow-y: auto; /* FIX: scroll verticale se necessario */
        display: flex;
        flex-direction: column;
        justify-content: center; /* FIX: centra verticalmente */
        align-items: center;
    }
    
    .modal picture {
        width: 100%;
        max-width: 100%;
        min-height: auto; /* FIX: rimuove altezza minima */
        display: flex;
        justify-content: center;
        align-items: center; /* FIX: centra verticalmente */
        border-radius: 0;
        overflow: visible;
        padding: 0.5rem; /* FIX: padding ridotto per schermi piccoli */
    }
    
    .modal img,
    #modalImage {
        width: 100%;
        height: auto;
        max-width: 100%;
        max-height: 100vh; /* FIX: limita altezza massima, non minima */
        min-height: auto; /* FIX: rimuove altezza minima forzata */
        object-fit: contain; /* Mantiene proporzioni */
        object-position: center center; /* FIX: centra invece di top */
        border-radius: 0;
    }
    
    /* Nascondi completamente le frecce su mobile piccolo */
    .modal-nav-btn {
        display: none !important;
    }
    
    .close-modal {
        top: 10px;
        right: 10px;
        font-size: 1.8rem;
        z-index: 20005;
        background: rgba(0, 0, 0, 0.5);
        width: 35px;
        height: 35px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        backdrop-filter: blur(10px);
    }
    
    .modal-logo-watermark {
        width: 45px;
        height: 45px;
        bottom: 10px;
        left: 10px;
        z-index: 20004;
    }
}

.modal-info {
    margin-top: 1.5rem;
    text-align: center;
}

.modal-category {
    background: var(--gradient-golden-rose);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.modal-title {
    display: none; /* Titolo rimosso - solo categoria in rosa */
}

.modal-description {
    display: none; /* Descrizione rimossa - solo categoria in rosa */
}

.close-modal {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 2.5rem;
    cursor: none;
    background: var(--gradient-golden-rose);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform 0.3s ease;
    z-index: 20001; /* Sopra il modal stesso */
}

.close-modal:hover {
    transform: scale(1.2);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-golden-rose);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--luxury-velvet);
    font-size: 1.5rem;
    text-decoration: none;
    box-shadow: var(--shadow-luxury);
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-hover);
}

/* Nascondi scroll-to-top su mobile - non serve */
@media (max-width: 768px) {
    .scroll-to-top {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
    }
}

/* Section Styling - Portfolio */
.section {
    padding: 6rem 0;
    position: relative;
    background: var(--luxury-velvet);
}

.section-divider {
    width: clamp(150px, 25vw, 200px);
    height: 2px;
    background: var(--gradient-golden-rose);
    margin: clamp(2rem, 4vw, 3rem) auto;
    border-radius: 2px;
    box-shadow: var(--glow-golden);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: clamp(2rem, 5vw, 4rem);
    background: var(--gradient-golden-rose);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: block;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.3));
    overflow-wrap: break-word;
    word-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
    width: 100%;
    box-sizing: border-box;
}

/* Responsive Design - Portfolio */
@media (max-width: 1024px) {
    .container {
        padding: 0 clamp(1rem, 2.5vw, 1.5rem);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 clamp(0.8rem, 2vw, 1rem);
    }
    
    .portfolio-gallery {
        grid-template-columns: repeat(auto-fit, minmax(clamp(180px, 30vw, 200px), 1fr));
        gap: clamp(1rem, 2.5vw, 1.5rem);
    }
    
    .portfolio-item {
        border-radius: 15px;
    }
    
    .portfolio-image-wrapper {
        aspect-ratio: 1 / 1;  /* Mantiene quadrato anche su tablet */
        padding-top: 100%;    /* Fallback */
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 clamp(0.7rem, 1.8vw, 0.9rem);
    }
    
    .portfolio-gallery {
        grid-template-columns: 1fr;
        gap: clamp(1rem, 2vw, 1.5rem);
    }
    
    .portfolio-image-wrapper {
        aspect-ratio: 1 / 1;  /* Mantiene quadrato anche su mobile */
        padding-top: 100%;    /* Fallback */
    }
}

@media (max-width: 414px) {
    .container {
        padding: 0 clamp(0.6rem, 1.5vw, 0.8rem);
    }
}

@media (max-width: 375px) {
    .container {
        padding: 0 clamp(0.6rem, 1.2vw, 0.75rem);
    }
}

@media (max-width: 320px) {
    .container {
        padding: 0 0.6rem;
    }
}

/* ============================================
 * PERFORMANCE: Alleggerire decorazioni nel PORTFOLIO
 * ============================================ */

/* ============================================
 * PERFORMANCE: Ottimizzazioni aggressive per PORTFOLIO
 * ============================================ */

/* Disabilita animazioni alle particelle solo nel portfolio */
body[data-page="portfolio"] .particle {
    animation: none !important;
    opacity: 0.2; /* Ridotto ulteriormente */
    transform: translate3d(0, 0, 0) !important;
    display: none; /* Nascondi completamente per massima performance */
}

/* Nascondi floating-icons completamente nel portfolio */
body[data-page="portfolio"] .floating-icons {
    display: none !important; /* Nascondi completamente per massima performance */
}

body[data-page="portfolio"] .floating-icons .floating-icon {
    animation: none !important;
    transform: translate3d(0, 0, 0) !important;
    opacity: 0;
    display: none !important;
}

/* Disabilita backdrop-filter pesanti nel portfolio */
body[data-page="portfolio"] .language-selector,
body[data-page="portfolio"] .floating-nav {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(0, 0, 0, 0.85) !important; /* Fallback solido */
}

/* Riduci box-shadow pesanti nel portfolio */
body[data-page="portfolio"] .portfolio-item {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
}

body[data-page="portfolio"] .portfolio-item:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4) !important;
}

/* Cursore custom riattivato nel portfolio (ora ottimizzato) */
/* Gli elementi interattivi usano cursor: none da main.css per il cursore custom */