/* =========================
   RESET
========================= */

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
   
    color: #f2f1eb;
    font-family: Arial, sans-serif;
}


/* =========================
   HEADER
========================= */

header {
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;
    height: 70px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 0 5%;

    background: rgba(23, 25, 24, 0.9);
    backdrop-filter: blur(8px);

    z-index: 100;
}

.logo {
    color: #f2f1eb;
    text-decoration: none;
    font-size: 1.5rem;
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: #f2f1eb;
    text-decoration: none;

    font-size: 0.85rem;
    letter-spacing: 0.08em;

    transition: color 0.25s ease;
}

nav a:hover {
    color: #93a88d;
}


/* =========================
   PAGE
========================= */

.gallery-page {
    width: 100%;
    max-width: 1400px;

    margin: 0 auto;

    padding: 120px 5% 80px;
}


/* =========================
   INTRO
========================= */

.gallery-intro {
    margin-bottom: 3rem;
}

.back-link {
    display: inline-block;

    margin-bottom: 3rem;

    color: #aaa9a3;
    text-decoration: none;

    font-size: 0.7rem;
    letter-spacing: 0.15em;

    transition: color 0.25s ease;
}

.back-link:hover {
    color: #93a88d;
}

.eyebrow {
    margin: 0 0 1rem;

    color: #93a88d;

    font-size: 0.7rem;
    letter-spacing: 0.18em;
}

.gallery-intro h1 {
    margin: 0 0 1rem;

    font-family: Georgia, serif;

    font-size: clamp(3rem, 7vw, 7rem);

    font-weight: 400;
    line-height: 0.9;

    letter-spacing: -0.04em;
}

.gallery-description {
    margin: 0;

    max-width: 500px;

    color: #aaa9a3;

    font-size: 1rem;
    line-height: 1.6;
}


/* =========================
   PHOTO GALLERY
========================= */

.photo-gallery {
    columns: 3;
    column-gap: 1rem;
}

.photo-gallery img {
    width: 100%;

    display: block;

    margin-bottom: 1rem;

    break-inside: avoid;

    cursor: pointer;

    filter:
        grayscale(15%)
        saturate(75%)
        brightness(0.88);

    transition:
        filter 0.3s ease,
        transform 0.3s ease;
}

.photo-gallery img:hover {
    filter:
        grayscale(0%)
        saturate(100%)
        brightness(1);

    transform: scale(1.01);
}


/* =========================
   TABLET
========================= */

@media (max-width: 900px) {

    .photo-gallery {
        columns: 2;
    }
}


/* =========================
   MOBILE
========================= */

@media (max-width: 700px) {

    header {
        height: 60px;
        padding: 0 7%;
    }

    .logo {
        font-size: 1.1rem;
    }

    nav {
        display: none;
    }

    .gallery-page {
        padding: 100px 7% 50px;
    }

    .gallery-intro {
        margin-bottom: 2rem;
    }

    .back-link {
        margin-bottom: 2.5rem;
    }

    .gallery-intro h1 {
        font-size: 3.4rem;
    }

    .photo-gallery {
        columns: 1;
        column-gap: 0;
    }

    .photo-gallery img {
        margin-bottom: 1rem;
    }
}

/* =========================
   LIGHTBOX
========================= */

.lightbox {
    position: fixed;

    top: 0;
    left: 0;

    width: 100%;
    height: 100%;

    display: none;

    align-items: center;
    justify-content: center;

    background: rgba(0, 0, 0, 0.95);

    z-index: 1000;
}

.lightbox.active {
    display: flex;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90vh;

    object-fit: contain;
}

.lightbox-close,
.lightbox-arrow {
    position: absolute;

    border: none;
    background: none;

    color: #f2f1eb;

    cursor: pointer;
}

.lightbox-close {
    top: 25px;
    right: 5%;

    font-size: 3rem;
    font-weight: 200;
}

.lightbox-arrow {
    top: 50%;

    transform: translateY(-50%);

    padding: 1rem;

    font-size: 3rem;
}

.lightbox-previous {
    left: 3%;
}

.lightbox-next {
    right: 3%;
}

.lightbox-close:hover,
.lightbox-arrow:hover {
    color: #93a88d;
}


/* MOBILE LIGHTBOX */

@media (max-width: 700px) {

    .lightbox-image {
        max-width: 94%;
        max-height: 80vh;
    }

    .lightbox-arrow {
        font-size: 2rem;
        padding: 0.5rem;
    }

    .lightbox-previous {
        left: 1%;
    }

    .lightbox-next {
        right: 1%;
    }

    .lightbox-close {
        top: 15px;
        right: 4%;

        font-size: 2.5rem;
    }
}