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

:root {
    --bg-gradient: linear-gradient(180deg, #f8fafc, #e2e8f0);
    --white: #ffffff;
    --text: #0f172a;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

body {
    font-family: "Inter", sans-serif;
    background: var(--bg-gradient);
    color: var(--text);
}

/* Header */

.header {
    text-align: center;
    padding: 80px 0 30px;
}

/* Container */

.container {
    width: min(90%, 1200px);
    margin: auto;
}

.container h1,
p {
    margin-bottom: 20px;
}

.main {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
}

/* Gallery */

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-auto-rows: 220px;
    gap: 20px;
    grid-auto-flow: dense;
}

/* Item */

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: 0.3s;
}

.gallery-item:hover {
    transform: translateY(-6px);
}

/* Image */

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.4s;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* Overlay */

.overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-weight: 600;
    opacity: 0;
    transition: 0.3s;
}

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

/* Grid modifiers */

.large {
    grid-column: span 2;
    grid-row: span 2;
}

.wide {
    grid-column: span 2;
}

.tall {
    grid-row: span 2;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }

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