Mozaikgaléria

.we-mosaic {
  --mosaic-bg: #111714;
  --mosaic-text: #f4f1e8;
  --mosaic-muted: #aeb8ae;
  --mosaic-accent: #c5a66d;

  width: 100%;
  padding: clamp(28px, 5vw, 68px) clamp(16px, 4vw, 48px);
  color: var(--mosaic-text);
  background: var(--mosaic-bg);
  font-family: Georgia, "Times New Roman", serif;
  box-sizing: border-box;
}

.we-mosaic *,
.we-mosaic *::before,
.we-mosaic *::after {
  box-sizing: border-box;
}

.we-mosaic__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  max-width: 1300px;
  margin: 0 auto 30px;
}

.we-mosaic__eyebrow {
  display: block;
  margin-bottom: 12px;
  color: var(--mosaic-accent);
  font-family: Arial, sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.24em;
}

.we-mosaic__header h2 {
  margin: 0;
  color: var(--mosaic-text);
  font-size: clamp(29px, 4.2vw, 52px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.we-mosaic__header h2 > span {
  color: var(--mosaic-accent);
}

.we-mosaic__header > p {
  max-width: 230px;
  margin: 0 0 4px;
  color: var(--mosaic-muted);
  font-family: Arial, sans-serif;
  font-size: 13px;
  line-height: 1.7;
  text-align: right;
}

.we-mosaic__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(190px, 22vw));
  gap: 12px;
  max-width: 1300px;
  margin: 0 auto;
}

.we-mosaic__item {
  position: relative;
  display: block;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: 2px;
  background: #28352e;
  color: inherit;
  text-align: left;
  cursor: pointer;
  isolation: isolate;
}

.we-mosaic__item--feature {
  grid-column: span 2;
  grid-row: span 2;
}

.we-mosaic__item img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 800ms cubic-bezier(.2, .65, .25, 1),
    filter 500ms ease;
}

.we-mosaic__item::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  background: linear-gradient(
    180deg,
    rgb(9 15 11 / 2%) 25%,
    rgb(9 15 11 / 25%) 52%,
    rgb(9 15 11 / 88%) 100%
  );
  opacity: 0.85;
  transition: opacity 400ms ease;
}

.we-mosaic__item:hover img {
  transform: scale(1.065);
  filter: saturate(1.08);
}

.we-mosaic__item:hover::after {
  opacity: 1;
}

.we-mosaic__item:focus-visible {
  outline: 2px solid var(--mosaic-accent);
  outline-offset: 4px;
  z-index: 3;
}

.we-mosaic__overlay {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(14px, 2vw, 24px);
  transform: translateY(8px);
  transition: transform 400ms ease;
}

.we-mosaic__item:hover .we-mosaic__overlay,
.we-mosaic__item:focus-visible .we-mosaic__overlay {
  transform: translateY(0);
}

.we-mosaic__category {
  margin-bottom: 8px;
  color: #e6ca91;
  font-family: Arial, sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.we-mosaic__title {
  color: #fff;
  font-size: clamp(16px, 1.8vw, 24px);
  font-weight: 400;
  line-height: 1.2;
}

.we-mosaic__item--feature .we-mosaic__title {
  font-size: clamp(25px, 3.2vw, 43px);
}

.we-mosaic__open {
  display: flex;
  align-items: center;
  gap: 10px;
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  color: #e7e3d9;
  font-family: Arial, sans-serif;
  font-size: 11px;
  opacity: 0;
  transition:
    max-height 350ms ease,
    margin-top 350ms ease,
    opacity 350ms ease;
}

.we-mosaic__open > span {
  color: var(--mosaic-accent);
  font-size: 17px;
}

.we-mosaic__item:hover .we-mosaic__open,
.we-mosaic__item:focus-visible .we-mosaic__open {
  max-height: 30px;
  margin-top: 12px;
  opacity: 1;
}

.we-mosaic__footer {
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 1300px;
  margin: 22px auto 0;
  color: var(--mosaic-muted);
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.we-mosaic__footer-line {
  flex: 1;
  height: 1px;
  background: rgb(197 166 109 / 35%);
}

/* Nagyított képnézet */

.we-mosaic__lightbox {
  position: fixed;
  z-index: 99999;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgb(5 9 7 / 94%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 250ms ease,
    visibility 250ms ease;
}

.we-mosaic__lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.we-mosaic__lightbox-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(100%, 1100px);
  max-height: 100%;
  transform: translateY(12px) scale(.985);
  transition: transform 300ms ease;
}

.we-mosaic__lightbox.is-open .we-mosaic__lightbox-inner {
  transform: translateY(0) scale(1);
}

.we-mosaic__lightbox-image-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  flex: 1;
}

.we-mosaic__lightbox-image {
  display: block;
  max-width: 100%;
  max-height: min(72vh, 760px);
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 24px 80px rgb(0 0 0 / 35%);
}

.we-mosaic__lightbox-caption {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 2px 0;
}

.we-mosaic__lightbox-caption h3 {
  margin: 0 0 7px;
  color: #f4f1e8;
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 400;
}

.we-mosaic__lightbox-caption p {
  margin: 0;
  color: #b6beb6;
  font-family: Arial, sans-serif;
  font-size: 13px;
  line-height: 1.6;
}

.we-mosaic__lightbox-count {
  flex-shrink: 0;
  padding-top: 5px;
  color: var(--mosaic-accent);
  font-family: Arial, sans-serif;
  font-size: 12px;
  letter-spacing: .12em;
}

.we-mosaic__lightbox-close,
.we-mosaic__lightbox-arrow {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgb(255 255 255 / 25%);
  border-radius: 50%;
  background: rgb(10 15 12 / 55%);
  color: #fff;
  font-family: Arial, sans-serif;
  font-size: 24px;
  cursor: pointer;
  transition:
    color 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.we-mosaic__lightbox-close:hover,
.we-mosaic__lightbox-arrow:hover {
  border-color: var(--mosaic-accent);
  background: var(--mosaic-accent);
  color: #111714;
}

.we-mosaic__lightbox-close {
  top: 18px;
  right: 18px;
}

.we-mosaic__lightbox-arrow {
  top: 50%;
  transform: translateY(-50%);
}

.we-mosaic__lightbox-prev {
  left: 12px;
}

.we-mosaic__lightbox-next {
  right: 12px;
}

.we-mosaic__lightbox-close:focus-visible,
.we-mosaic__lightbox-arrow:focus-visible {
  outline: 2px solid var(--mosaic-accent);
  outline-offset: 4px;
}

@media (max-width: 760px) {
  .we-mosaic__header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .we-mosaic__header > p {
    text-align: left;
  }

  .we-mosaic__grid {
    grid-template-rows: repeat(2, minmax(155px, 30vw));
    gap: 8px;
  }

  .we-mosaic__overlay {
    padding: 12px;
    transform: none;
  }

  .we-mosaic__open {
    display: none;
  }

  .we-mosaic__category {
    font-size: 8px;
  }

  .we-mosaic__title {
    font-size: clamp(14px, 2.8vw, 19px);
  }

  .we-mosaic__item--feature .we-mosaic__title {
    font-size: clamp(22px, 4.5vw, 32px);
  }

  .we-mosaic__footer {
    flex-wrap: wrap;
    gap: 10px;
    font-size: 8px;
  }
}

@media (max-width: 480px) {
  .we-mosaic__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: 290px 155px 155px;
  }

  .we-mosaic__item--feature {
    grid-column: span 2;
    grid-row: span 1;
  }

  .we-mosaic__lightbox {
    padding: 16px;
  }

  .we-mosaic__lightbox-image {
    max-height: 65vh;
  }

  .we-mosaic__lightbox-arrow {
    top: auto;
    bottom: 95px;
    width: 40px;
    height: 40px;
  }

  .we-mosaic__lightbox-prev {
    left: 5px;
  }

  .we-mosaic__lightbox-next {
    right: 5px;
  }

  .we-mosaic__lightbox-close {
    top: 10px;
    right: 10px;
  }

  .we-mosaic__lightbox-caption {
    padding-top: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .we-mosaic *,
  .we-mosaic__lightbox,
  .we-mosaic__lightbox-inner {
    transition-duration: .01ms !important;
  }
}

document.querySelectorAll("[data-mosaic]").forEach((gallery) => {
  if (gallery.dataset.mosaicInitialized === "true") {
    return;
  }

  const photos = Array.from(gallery.querySelectorAll("[data-photo]"));

  if (!photos.length) {
    console.warn("Mozaikgaléria: nem találhatók képek.", gallery);
    return;
  }

  gallery.dataset.mosaicInitialized = "true";

  let activeIndex = 0;
  let previousFocus = null;

  const lightbox = document.createElement("div");
  lightbox.className = "we-mosaic__lightbox";
  lightbox.setAttribute("role", "dialog");
  lightbox.setAttribute("aria-modal", "true");
  lightbox.setAttribute("aria-label", "Képnézegető");

  lightbox.innerHTML = `
    <button class="we-mosaic__lightbox-close"
            type="button"
            aria-label="Bezárás">×</button>

    <div class="we-mosaic__lightbox-inner">
      <div class="we-mosaic__lightbox-image-wrap">
        <button class="we-mosaic__lightbox-arrow we-mosaic__lightbox-prev"
                type="button"
                aria-label="Előző kép">‹</button>

        <img class="we-mosaic__lightbox-image"
             alt=""
             src="">

        <button class="we-mosaic__lightbox-arrow we-mosaic__lightbox-next"
                type="button"
                aria-label="Következő kép">›</button>
      </div>

      <div class="we-mosaic__lightbox-caption">
        <div>
          <h3></h3>
          <p></p>
        </div>
        <span class="we-mosaic__lightbox-count"></span>
      </div>
    </div>
  `;

  document.body.appendChild(lightbox);

  const closeButton = lightbox.querySelector(
    ".we-mosaic__lightbox-close"
  );
  const prevButton = lightbox.querySelector(
    ".we-mosaic__lightbox-prev"
  );
  const nextButton = lightbox.querySelector(
    ".we-mosaic__lightbox-next"
  );
  const largeImage = lightbox.querySelector(
    ".we-mosaic__lightbox-image"
  );
  const heading = lightbox.querySelector(
    ".we-mosaic__lightbox-caption h3"
  );
  const description = lightbox.querySelector(
    ".we-mosaic__lightbox-caption p"
  );
  const counter = lightbox.querySelector(
    ".we-mosaic__lightbox-count"
  );

  function getPhotoData(index) {
    const button = photos[index];
    const image = button.querySelector("img");

    return {
      src: image ? image.currentSrc || image.src : "",
      alt: image ? image.alt : "",
      title: button.dataset.title || (image ? image.alt : "Fotó"),
      description: button.dataset.description || ""
    };
  }

  function showPhoto(index) {
    activeIndex = (index + photos.length) % photos.length;

    const photo = getPhotoData(activeIndex);

    largeImage.src = photo.src;
    largeImage.alt = photo.alt;
    heading.textContent = photo.title;
    description.textContent = photo.description;

    counter.textContent =
      String(activeIndex + 1).padStart(2, "0") +
      " / " +
      String(photos.length).padStart(2, "0");
  }

  function openLightbox(index) {
    previousFocus = document.activeElement;

    showPhoto(index);
    lightbox.classList.add("is-open");
    document.body.style.overflow = "hidden";

    closeButton.focus();
  }

  function closeLightbox() {
    lightbox.classList.remove("is-open");
    document.body.style.overflow = "";

    if (previousFocus && typeof previousFocus.focus === "function") {
      previousFocus.focus();
    }
  }

  photos.forEach((button, index) => {
    button.addEventListener("click", () => {
      openLightbox(index);
    });
  });

  closeButton.addEventListener("click", closeLightbox);

  prevButton.addEventListener("click", () => {
    showPhoto(activeIndex - 1);
  });

  nextButton.addEventListener("click", () => {
    showPhoto(activeIndex + 1);
  });

  lightbox.addEventListener("click", (event) => {
    if (event.target === lightbox) {
      closeLightbox();
    }
  });

  document.addEventListener("keydown", (event) => {
    if (!lightbox.classList.contains("is-open")) {
      return;
    }

    if (event.key === "Escape") {
      event.preventDefault();
      closeLightbox();
    } else if (event.key === "ArrowRight") {
      event.preventDefault();
      showPhoto(activeIndex + 1);
    } else if (event.key === "ArrowLeft") {
      event.preventDefault();
      showPhoto(activeIndex - 1);
    }
  });
});