/* Shared pair-gallery — design / ilustração / fotografia */

@import url("typography.css");
@import url("site-chrome.css");

:root {
  --pair-bg: #111;
  --pair-text: #fff;
  --pair-muted: rgba(255, 255, 255, 0.88);
  --pair-accent: #c9a227;
  --pair-image-h: 420px;
  --pair-radius: 20px;
  --pair-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pair-duration: 0.75s;
  --pair-desc-max: 320px;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--pair-bg);
  color: var(--pair-text);
  font-family: var(--font-body);
  font-weight: 400;
  overflow-x: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.hidden-content {
  opacity: 0;
}

.main-page {
  padding: 40px clamp(20px, 5vw, 60px);
  max-width: 1600px;
  margin-inline: auto;
}

.page-header .title-container {
  width: 100%;
  margin-bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.main-title {
  width: 100%;
  height: 180px;
}

.main-title text {
  font-family: var(--font-display);
  font-size: 140px;
  font-weight: 400;
  fill: none;
  stroke: white;
  stroke-width: 1.5;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: pairTitleDraw 12s ease forwards;
}

@keyframes pairTitleDraw {
  to {
    stroke-dashoffset: 0;
    fill: white;
  }
}

.gallery-container {
  width: 100%;
}

/* —— Pair row: two images side by side —— */

.pair-row {
  margin-bottom: clamp(70px, 10vh, 120px);
  align-items: flex-start;
}

.pair-row:last-child {
  margin-bottom: 0;
}

.pair-slot__stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

/* Description panel (hidden until opposite image hovered) */
.pair-desc {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding: 0 clamp(12px, 3vw, 40px);
  transition:
    max-height var(--pair-duration) var(--pair-ease),
    opacity 0.55s ease,
    padding var(--pair-duration) var(--pair-ease);
  pointer-events: none;
}

.description-box {
  font-family: var(--font-body);
}

.description-box h2 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  margin: 0 0 1rem;
}

.description-box p {
  margin: 0;
  font-size: clamp(0.95rem, 1.8vw, 1.125rem);
  font-weight: 300;
  line-height: 1.8;
  color: var(--pair-muted);
  text-align: justify;
}

/* Image block */
.pair-image {
  flex-shrink: 0;
  outline: none;
  border-radius: var(--pair-radius);
  transition: transform var(--pair-duration) var(--pair-ease);
}

.pair-image__box {
  width: 100%;
  height: var(--pair-image-h);
  overflow: hidden;
  border-radius: var(--pair-radius);
  background: #000;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.pair-image__box img,
.pair-image__box video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: grayscale(100%);
  transition: filter 0.55s ease, transform 0.8s var(--pair-ease);
}

.pair-image__box video {
  pointer-events: auto;
  background: #000;
}

/* Desktop hover: reveal desc + push opposite image down */
@media (hover: hover) and (pointer: fine) {
  .pair-row:has(.pair-image--left:hover) .pair-desc--for-left,
  .pair-row:has(.pair-image--left:focus-visible) .pair-desc--for-left,
  .pair-row.is-active-left .pair-desc--for-left {
    max-height: var(--pair-desc-max);
    opacity: 1;
    padding-top: clamp(16px, 3vw, 36px);
    padding-bottom: clamp(12px, 2vw, 24px);
  }

  .pair-row:has(.pair-image--right:hover) .pair-desc--for-right,
  .pair-row:has(.pair-image--right:focus-visible) .pair-desc--for-right,
  .pair-row.is-active-right .pair-desc--for-right {
    max-height: var(--pair-desc-max);
    opacity: 1;
    padding-top: clamp(16px, 3vw, 36px);
    padding-bottom: clamp(12px, 2vw, 24px);
  }

  .pair-row:has(.pair-image--left:hover) .pair-image--left .pair-image__box img,
  .pair-row:has(.pair-image--left:hover) .pair-image--left .pair-image__box video,
  .pair-row:has(.pair-image--left:focus-visible) .pair-image--left .pair-image__box img,
  .pair-row:has(.pair-image--left:focus-visible) .pair-image--left .pair-image__box video,
  .pair-row.is-active-left .pair-image--left .pair-image__box img,
  .pair-row.is-active-left .pair-image--left .pair-image__box video,
  .pair-row:has(.pair-image--right:hover) .pair-image--right .pair-image__box img,
  .pair-row:has(.pair-image--right:hover) .pair-image--right .pair-image__box video,
  .pair-row:has(.pair-image--right:focus-visible) .pair-image--right .pair-image__box img,
  .pair-row:has(.pair-image--right:focus-visible) .pair-image--right .pair-image__box video,
  .pair-row.is-active-right .pair-image--right .pair-image__box img,
  .pair-row.is-active-right .pair-image--right .pair-image__box video {
    filter: grayscale(0%);
  }

  .pair-row:has(.pair-image--left:hover) .pair-image--right .pair-image__box img,
  .pair-row:has(.pair-image--left:hover) .pair-image--right .pair-image__box video,
  .pair-row:has(.pair-image--left:focus-visible) .pair-image--right .pair-image__box img,
  .pair-row:has(.pair-image--left:focus-visible) .pair-image--right .pair-image__box video,
  .pair-row.is-active-left .pair-image--right .pair-image__box img,
  .pair-row.is-active-left .pair-image--right .pair-image__box video,
  .pair-row:has(.pair-image--right:hover) .pair-image--left .pair-image__box img,
  .pair-row:has(.pair-image--right:hover) .pair-image--left .pair-image__box video,
  .pair-row:has(.pair-image--right:focus-visible) .pair-image--left .pair-image__box img,
  .pair-row:has(.pair-image--right:focus-visible) .pair-image--left .pair-image__box video,
  .pair-row.is-active-right .pair-image--left .pair-image__box img,
  .pair-row.is-active-right .pair-image--left .pair-image__box video {
    transform: scale(1.02);
  }
}

/* —— Mobile / touch —— */
@media (max-width: 991.98px) {
  :root {
    --pair-image-h: 240px;
    --pair-desc-max: 400px;
  }

  .main-title {
    height: 90px;
  }

  .main-title text {
    font-size: 64px;
  }

  .pair-row {
    margin-bottom: 3rem;
  }

  .pair-slot + .pair-slot {
    margin-top: 0.5rem;
  }

  .pair-desc {
    max-height: 0;
    opacity: 0;
  }

  .pair-row.is-active-left .pair-desc--for-left,
  .pair-row.is-active-right .pair-desc--for-right {
    max-height: var(--pair-desc-max);
    opacity: 1;
    padding-top: 1rem;
    padding-bottom: 1.25rem;
  }

  .pair-row.is-active-left .pair-image--left .pair-image__box img,
  .pair-row.is-active-left .pair-image--left .pair-image__box video,
  .pair-row.is-active-right .pair-image--right .pair-image__box img,
  .pair-row.is-active-right .pair-image--right .pair-image__box video {
    filter: grayscale(0%);
  }
}

@media (max-width: 575.98px) {
  :root {
    --pair-image-h: 200px;
  }

  .description-box h2 {
    text-align: center;
  }

  .description-box p {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --pair-duration: 0.01ms;
  }

  .main-title text {
    animation: none;
    stroke-dashoffset: 0;
    fill: white;
  }

  .pair-desc,
  .pair-image__box img,
  .pair-image__box video {
    transition: none;
  }
}