* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #86868b;
    --text-color: #1d1d1f;
    --bg-color: #f5f5f7;
    --curtain-color: #1a1a1a;
    --transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-color);
    background-color: var(--secondary-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 60px;
}

.hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.95;
    filter: brightness(1.1) contrast(1.05);
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), filter 0.8s ease;
}

.hero:hover .hero-image {
    transform: scale(1.05);
    filter: brightness(1.15) contrast(1.1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom, 
        rgba(0,0,0,0.1) 0%,
        rgba(0,0,0,0.15) 50%,
        rgba(0,0,0,0.25) 100%
    );
}

.hero-content {
    text-align: center;
    color: var(--secondary-color);
    z-index: 1;
    animation: fadeInUp 1s ease-out;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 2px 10px rgba(0, 0, 0, 0.3);
    padding: 40px;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.hero-title {
    font-size: 72px;
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 10px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.7), 0 2px 15px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 5px;
    opacity: 1;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.6);
    font-weight: 400;
}

.hero-location {
    font-size: 18px;
    font-weight: 300;
    opacity: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--secondary-color);
    border-bottom: 2px solid var(--secondary-color);
    transform: rotate(45deg);
}

/* Featured Artworks Section */
.featured-artworks {
    padding: 100px 20px;
    background-color: var(--secondary-color);
}

.featured-header {
    text-align: center;
    margin-bottom: 60px;
}

.featured-subtitle {
    font-size: 18px;
    color: var(--accent-color);
    margin-top: 10px;
}

.artworks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 60px;
}

.artwork-featured {
    background-color: var(--bg-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    cursor: pointer;
}

.artwork-featured:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.artwork-featured-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
    background-color: #000;
    position: relative;
    border-radius: 20px;
}

.artwork-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.artwork-featured:hover .artwork-img {
    transform: scale(1.1);
}

.artwork-featured-info {
    padding: 25px;
}

.artwork-featured-info h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.artwork-medium-featured {
    font-size: 14px;
    color: var(--accent-color);
}

.featured-button-container {
    text-align: center;
    margin-top: 40px;
}

.gallery-button-large {
    display: inline-block;
    padding: 16px 40px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    text-decoration: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
}

.gallery-button-large:hover {
    background-color: transparent;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Private Collection Preview Section */
.private-collection-preview {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

/* Gallery Sections */
.gallery-sections {
    padding: 100px 20px;
    background-color: var(--secondary-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-card {
    background-color: var(--secondary-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    cursor: pointer;
}

.gallery-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.gallery-card-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.placeholder-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 48px;
    opacity: 0.5;
}

.gallery-card-content {
    padding: 30px;
}

.gallery-card-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.gallery-card-content p {
    font-size: 16px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.gallery-button {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    text-decoration: none;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
}

.gallery-button:hover {
    background-color: transparent;
    color: var(--primary-color);
}

/* Biography Section */
.biography {
    padding: 100px 20px;
    background-color: var(--secondary-color);
}

.biography-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.biography-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.biography-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.biography-image-container:hover .biography-image {
    transform: scale(1.05);
}

.biography-text {
    padding: 20px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 30px;
    letter-spacing: -1px;
}

.biography-statement {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-color);
}

.biography-location {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #e5e5e5;
}

.biography-location p {
    font-size: 16px;
    color: var(--accent-color);
}

/* Exhibitions Section */
.exhibitions {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

.exhibitions-section {
    margin-bottom: 60px;
}

.exhibitions-subtitle {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.curtain-toggle {
    background: none;
    border: 2px solid var(--primary-color);
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    margin-bottom: 20px;
    font-family: inherit;
}

.curtain-toggle:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.curtain-icon {
    transition: transform 0.3s ease;
}

.curtain-toggle.active .curtain-icon {
    transform: rotate(180deg);
}

.curtain-container {
    position: relative;
    overflow: hidden;
    margin-top: 20px;
    display: none; /* nascosta finché non viene aperta */
}
 
.curtain-container.open {
    display: block; /* viene mostrata solo quando è "open" */
}

.curtain-left,
.curtain-right {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background-color: var(--curtain-color);
    z-index: 10;
    transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.curtain-left {
    left: 0;
    transform: translateX(0);
}

.curtain-right {
    right: 0;
    transform: translateX(0);
}

.curtain-container.open .curtain-left {
    transform: translateX(-100%);
}

.curtain-container.open .curtain-right {
    transform: translateX(100%);
}

.curtain-content {
    position: relative;
    z-index: 5;
    padding: 40px;
    background-color: var(--secondary-color);
    opacity: 0;
    transition: opacity 0.6s ease 0.4s;
}

.curtain-container.open .curtain-content {
    opacity: 1;
}

.exhibitions-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.exhibition-item {
    padding: 20px;
    border-left: 3px solid var(--primary-color);
    background-color: var(--bg-color);
    border-radius: 5px;
    transition: var(--transition);
}

.exhibition-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.exhibition-year {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.exhibition-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
    letter-spacing: -0.5px;
}

.exhibition-location {
    font-size: 16px;
    color: var(--accent-color);
}

/* FAQ Section */
.faq {
    padding: 100px 20px;
    background-color: var(--secondary-color);
}

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

.faq-item {
    border-bottom: 1px solid #e5e5e5;
    padding: 30px 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    opacity: 0.7;
}

.faq-question h3 {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.5px;
    flex: 1;
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    transition: transform 0.3s ease;
    color: var(--accent-color);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.5s ease;
    padding: 0;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding-top: 20px;
}

.faq-answer p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--accent-color);
    margin-bottom: 15px;
}

/* Contact Section */
.contact {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

.contact .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.contact-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info-section {
    text-align: left;
}

.contact-intro {
    font-size: 18px;
    margin-bottom: 30px;
    color: var(--text-color);
}

.contact-info {
    margin-top: 0;
}

.contact-info p {
    font-size: 16px;
    margin-bottom: 15px;
    text-align: left;
}

.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-info a:hover {
    opacity: 0.7;
}

.map-container {
    margin-top: 0;
    width: 100%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    overflow: hidden;
}

.map-container iframe {
    display: block;
    width: 100%;
    height: 450px;
    border: none;
}

@media (max-width: 968px) {
    .contact-content-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-info-section {
        text-align: center;
    }
    
    .contact-info p {
        text-align: center;
    }
    
    .map-container {
        margin-top: 0;
    }
}

@media (max-width: 768px) {
    .map-container iframe {
        height: 350px;
    }
}

/* Footer */
.footer {
    padding: 40px 20px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    text-align: center;
}

.footer p {
    font-size: 14px;
    opacity: 0.8;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: var(--secondary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-content {
        padding: 30px 20px;
        margin: 0 20px;
    }

    .hero-title {
        font-size: 48px;
    }

    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-location {
        font-size: 16px;
    }

    .biography-content {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .gallery-card {
        margin-bottom: 20px;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }
    
    .gallery-card-image {
        height: 200px;
    }
    
    .gallery-card-content {
        padding: 20px;
        max-width: 100%;
        box-sizing: border-box;
        overflow-x: hidden;
    }
    
    .gallery-card-content h3 {
        font-size: 20px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .gallery-card-content p {
        font-size: 14px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .curtain-toggle {
        padding: 12px 20px;
        font-size: 14px;
        width: 100%;
        justify-content: space-between;
    }
    
    .curtain-container {
        overflow-x: hidden;
        margin-left: -20px;
        margin-right: -20px;
        width: calc(100% + 40px);
    }
    
    .curtain-content {
        padding: 20px;
        max-width: 100%;
        box-sizing: border-box;
        overflow-x: hidden;
    }
    
    .exhibitions-list {
        gap: 15px;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .exhibition-item {
        padding: 15px;
        max-width: 100%;
        box-sizing: border-box;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .exhibition-item h4 {
        font-size: 16px;
    }
    
    .exhibition-item p {
        font-size: 14px;
    }
    
    .exhibition-year,
    .exhibition-title,
    .exhibition-location {
        max-width: 100%;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .section-title {
        font-size: 36px;
    }
}