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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.6;
}

/* Hide scrollbar for Chrome, Safari and Opera */
body::-webkit-scrollbar {
    display: none;
}

/* Hide scrollbar for IE, Edge and Firefox */
body {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 20px 40px;
    z-index: 100;
    border-bottom: 1px solid #e0e0e0;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
}

.nav-left {
    justify-self: start;
}

.nav-left a {
    text-decoration: none;
    color: #000000;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: opacity 0.3s ease;
}

.nav-center {
    justify-self: center;
}

.nav-center a {
    text-decoration: none;
    color: #000000;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-right {
    justify-self: end;
    display: flex;
    gap: 30px;
}

.nav-right a {
    text-decoration: none;
    color: #000000;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: opacity 0.3s ease;
}

nav a:hover {
    opacity: 0.6;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #000000;
    color: #ffffff;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 0.8;
    visibility: visible;
}

.back-to-top:hover {
    opacity: 1;
    transform: translateY(-3px);
}

/* Year Filter */
.filter-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    background-color: transparent;
    border: 1px solid #000000;
    color: #000000;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.filter-btn:hover {
    background-color: #000000;
    color: #ffffff;
}

.filter-btn.active {
    background-color: #000000;
    color: #ffffff;
}

/* Gallery Section */
section {
    padding: 100px 40px 60px;
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-container {
    column-count: 3;
    column-gap: 20px;
    margin-top: 20px;
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 20px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    position: relative;
}

.gallery-item.fade-in {
    opacity: 1;
    transform: translateY(0);
}

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

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: transparent;
    padding: 12px;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.5px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 1);
}

.gallery-item:hover .gallery-caption {
    opacity: 1;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transition: opacity 0.6s ease-in-out, transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item img.loaded {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    box-shadow: 0 0 50px rgba(255, 255, 255, 0.1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    font-size: 40px;
    color: #000000;
    font-weight: 300;
    cursor: pointer;
    transition: opacity 0.3s ease;
    z-index: 1001;
}

.lightbox-close:hover {
    opacity: 0.6;
}

.lightbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 90%;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
}

.lightbox-caption {
    color: #000000;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin-top: 20px;
    text-align: center;
}

/* Image Counter */
.lightbox-counter {
    position: absolute;
    top: 30px;
    left: 40px;
    color: #000000;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    z-index: 1001;
}

/* Lightbox Navigation Arrows */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 48px;
    color: #000000;
    cursor: pointer;
    padding: 20px;
    user-select: none;
    transition: opacity 0.3s ease;
    z-index: 1001;
}

.lightbox-nav:hover {
    opacity: 0.6;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 101;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: #000000;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 61px;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    padding: 20px;
    z-index: 99;
    flex-direction: column;
    gap: 20px;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    text-decoration: none;
    color: #000000;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 10px 0;
    transition: opacity 0.3s ease;
}

.mobile-menu a:hover {
    opacity: 0.6;
}

/* Footer */
footer {
    border-top: 1px solid #e0e0e0;
    padding: 40px;
    text-align: center;
    background-color: #ffffff;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-links a {
    text-decoration: none;
    color: #000000;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 0.6;
}

.footer-copyright {
    font-size: 12px;
    color: #666666;
    letter-spacing: 0.5px;
}

/* About Page Styles */
h1 {
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 40px;
    letter-spacing: -1px;
}

.about-wrapper {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.about-content {
    flex: 1;
    max-width: 600px;
}

.about-content p {
    font-size: 18px;
    font-weight: 300;
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-content a {
    color: #000000;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.about-content a:hover {
    opacity: 0.6;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Responsive */
@media (max-width: 1024px) {
    .gallery-container {
        column-count: 2;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-left,
    .nav-right {
        display: none;
    }

    nav {
        padding: 15px 20px;
    }

    section {
        padding: 120px 20px 40px;
    }

    .gallery-container {
        column-count: 1;
    }

    .filter-container {
        gap: 10px;
    }

    .filter-btn {
        font-size: 11px;
        padding: 6px 12px;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 20px;
    }

    .lightbox-counter {
        top: 20px;
        left: 20px;
        font-size: 12px;
    }

    .lightbox-nav {
        font-size: 36px;
        padding: 10px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }

    h1 {
        font-size: 36px;
    }

    .about-content p {
        font-size: 16px;
    }

    .about-wrapper {
        flex-direction: column-reverse;
    }

    .about-image {
        flex: 1;
        width: 100%;
        margin-bottom: 30px;
    }
}