/* Swiss Style Museum Theme */
:root {
    --bg-color: #EAEAEA;
    --text-color: #111111;
    --accent-color: #D40000;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: clamp(20px, 5vw, 60px);
    font-size: clamp(1rem, 0.95rem + 0.25vw, 1.2rem);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Animated Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, rgb(0 0 0 / 3%) 1px, transparent 1px),
        linear-gradient(to bottom, rgb(0 0 0 / 3%) 1px, transparent 1px);
    background-size: 40px 40px; /* Larger grid for better visual */
    z-index: -1;
    animation: grid-fade-in 2s ease-out;
}

@keyframes grid-fade-in {
    from {
        opacity: 0;
        transform: scale(1.05);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.grid-wrapper {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(20px, 3vw, 40px);
    max-width: 1600px;
    margin: 0 auto;
    position: relative;
}

/* Grid Lines Animation */
.grid-wrapper::after {
    content: '';
    position: absolute;
    top: -100px;
    bottom: -100px;
    left: 25%;
    width: 2px;
    background: var(--accent-color);
    transform: scaleY(0);
    transform-origin: top;
    animation: draw-line 1.5s cubic-bezier(0.77, 0, 0.175, 1) 0.5s forwards;
    opacity: 0.8;
}

@keyframes draw-line {
    to { transform: scaleY(1); }
}

header {
    grid-column: 1 / -1;
    border-top: 8px solid var(--text-color);
    padding-top: clamp(20px, 4vw, 30px);
    margin-bottom: clamp(40px, 6vw, 60px);
    animation: slide-down 1s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

header::after {
    content: '';
    position: absolute;
    bottom: clamp(-30px, -4vw, -20px);
    left: 0;
    width: 60%;
    height: 3px;
    background: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    animation: expand-line 1.5s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

@keyframes expand-line {
    to { transform: scaleX(1); }
}

@keyframes slide-down {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

h1 {
    font-size: clamp(2.5rem, 8vw, 6rem);
    line-height: 0.9;
    text-transform: uppercase;
    margin: 0;
    letter-spacing: -0.04em;
    overflow-wrap: break-word;
    font-weight: 700;
}

.intro {
    grid-column: 1 / 3;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 700;
    border-top: 4px solid var(--text-color);
    padding-top: 15px;
    line-height: 1.3;
}

.details {
    grid-column: 3 / -1;
    border-top: 4px solid var(--text-color);
    padding-top: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.section-title {
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 15px;
    display: block;
    color: var(--accent-color);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.gallery {
    grid-column: 1 / -1;
    margin-top: clamp(30px, 5vw, 50px);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 3vw, 30px);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 4px;
    background: white;
    box-shadow: 0 2px 8px rgb(0 0 0 / 6%);
}

.gallery-item img {
    width: 100%;
    height: auto;
    filter: grayscale(100%) contrast(1.1);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    display: block;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

.gallery-item:hover img {
    filter: grayscale(0%) contrast(1.05);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgb(0 0 0 / 20%);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgb(0 0 0 / 50%));
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

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

.caption {
    font-size: 0.8rem;
    margin-top: 10px;
    border-top: 1px solid var(--text-color);
    padding-top: 5px;
    opacity: 1; /* Accessibility: Increased opacity for better contrast */
}

footer {
    grid-column: 1 / -1;
    margin-top: clamp(50px, 8vw, 80px);
    border-top: 1px solid var(--text-color);
    padding-top: 15px;
    font-size: 0.8rem;
}

@media (width <= 768px) {
    body {
        padding: 20px;
    }

    .grid-wrapper {
        grid-template-columns: 1fr;
    }

    .intro, .details {
        grid-column: 1 / -1;
    }

    .details {
        grid-template-columns: 1fr;
    }

    .gallery {
        grid-template-columns: 1fr;
    }

    .grid-wrapper::after {
        display: none;
    }
}