/* Referenssisivun asiakastarinat ja kuvagalleria käyttävät yhteisiä bränditokeneita. */
.portfolio-section { --reference-image-padding: clamp(16px, 2vw, 28px); }
.proj-card.light .proj-card-thumb--contain { background: var(--surface); }
.proj-card.light .proj-card-thumb--contain img { object-fit: contain; object-position: center; }
/* Korttien mittakaava säilyy myös vajailla riveillä ja suodatettaessa.
   Nostot katkaisevat rivin ilman aiempien korttien uudelleenjärjestelyä. */
.portfolio-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-flow: row;
  gap: 24px;
}
.portfolio-grid > * { min-width: 0; }
/* Pystykuvan rinnalle mahtuu kaksi tavallista referenssiä. */
@media (min-width: 901px) {
  .portfolio-grid[data-filter="kaikki"] { grid-template-columns: repeat(60, minmax(0, 1fr)); column-gap: 0; row-gap: 24px; margin-inline: -12px; }
  .portfolio-grid[data-filter="kaikki"] > * { margin-inline: 12px; }
  .portfolio-grid[data-filter="kaikki"] > .proj-card { grid-column: span 30; }
  .portfolio-grid[data-filter="kaikki"] > .proj-card--portrait { grid-column: span 36; grid-row: span 2; }
  .portfolio-grid[data-filter="kaikki"] > .proj-card--portrait + .proj-card,
  .portfolio-grid[data-filter="kaikki"] > .proj-card--portrait + .proj-card + .proj-card { grid-column: span 24; align-self: start; }
  .portfolio-grid[data-filter="kaikki"] > .cta-promo { grid-column: 1 / -1; }
}
@media (min-width: 1100px) {
  .portfolio-grid[data-filter="kaikki"] > .proj-card--third { grid-column: span 20; }
  .portfolio-grid .proj-card:is(.proj-card--third, .proj-card--quarter) { min-height: 0; --reference-image-padding: 16px; }
  .portfolio-grid .proj-card:is(.proj-card--third, .proj-card--quarter) .proj-card-body { padding: 20px; }
  .portfolio-grid .proj-card:is(.proj-card--third, .proj-card--quarter) .proj-card-name { font-size: 21px; line-height: 1.25; }
}
@media (min-width: 1400px) {
  .portfolio-grid[data-filter="kaikki"] > .proj-card--quarter { grid-column: span 15; }
}
.portfolio-grid > .cta-promo { grid-column: 1 / -1; }
@media (max-width: 600px) {
  .portfolio-grid { grid-template-columns: minmax(0, 1fr); }
}
.portfolio-section [hidden], .reference-lightbox [hidden] { display: none !important; }
.reference-collection { margin-bottom: 64px; }
.portfolio-grid + .reference-collection { margin-top: 72px; }
.reference-collection-heading { max-width: 720px; margin-bottom: 32px; }
.reference-collection-heading h2 { color: var(--navy-deeper); font-size: clamp(28px, 3vw, 40px); line-height: 1.15; letter-spacing: -.025em; margin: 12px 0 16px; scroll-margin-top: 110px; }
.reference-collection-heading > p { font-size: 17px; line-height: 1.7; color: var(--text-muted); }
.reference-stories { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.reference-interlude { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 2fr; gap: clamp(24px, 5vw, 72px); padding: 36px 0; margin: 16px 0; border-block: 1px solid var(--border); scroll-margin-top: 115px; }
.reference-interlude .reference-type { color: var(--pink); margin-bottom: 12px; }
.reference-interlude h2, .reference-video h2 { color: var(--navy-deeper); font-size: clamp(26px, 3vw, 38px); line-height: 1.15; letter-spacing: -.025em; margin-bottom: 16px; }
.reference-interlude-copy > p, .reference-video-copy > p:not(.reference-type):not(.reference-client) { color: var(--text-muted); font-size: 16px; line-height: 1.7; }
.reference-interlude .reference-visit { margin-top: 16px; }
.reference-interlude--image { grid-template-columns: 1.2fr 1fr; align-items: center; }
.reference-interlude-media { border-radius: 18px; overflow: hidden; margin-top: 20px; }
.reference-interlude-image { display: block; width: 100%; height: auto; }
.reference-video { grid-column: 1 / -1; position: relative; overflow: hidden; border-radius: 20px; background: var(--navy-deeper); scroll-margin-top: 115px; }
.reference-video-media { min-width: 0; }
.reference-video video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; }
.reference-video-copy { position: absolute; left: 24px; bottom: 24px; width: min(360px, 48%); padding: 22px; border: 1px solid #ffffff30; border-radius: 16px; background: #111a30e8; backdrop-filter: blur(14px); }
.reference-video .reference-type { color: #fff; font-size: 11px; margin-bottom: 10px; }
.reference-video .reference-client { color: #ffffffb8; font-size: 13px; margin-bottom: 8px; }
.reference-video h2 { color: #fff; font-size: clamp(20px, 2.2vw, 28px); margin-bottom: 10px; }
.reference-video-copy > p:not(.reference-type):not(.reference-client) { color: #ffffffd9; font-size: 14px; line-height: 1.5; margin: 0; }
.reference-video-actions { position: absolute; right: 20px; top: 20px; display: flex; gap: 8px; }
.reference-video-actions button { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid #ffffff60; border-radius: 50%; background: #111a30d9; color: white; cursor: pointer; backdrop-filter: blur(12px); }
.reference-video-actions button:hover { background: var(--navy); }
.reference-video-actions button:focus-visible { outline: 3px solid white; outline-offset: 3px; }
.reference-video-actions svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.reference-video-status { position: absolute; top: 76px; right: 20px; left: 20px; padding: 12px; background: #111a30ee; color: white; border-radius: 8px; }
.portfolio-grid > .reference-video-set { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 24px; }
.reference-video--compact { grid-column: auto; margin: 0; display: flex; flex-direction: column; }
.reference-video--compact .reference-video-copy { position: static; width: auto; flex: 1; margin: 0; border: 0; border-radius: 0; background: none; backdrop-filter: none; }
.reference-video--compact video { object-fit: cover; }
.reference-video--compact h2 { font-size: clamp(18px, 1.8vw, 22px); }
.reference-video--compact .reference-video-actions { top: 14px; right: 14px; }
.reference-video--compact .reference-video-actions button { width: 42px; height: 42px; }
@media (max-width: 600px) {
  .reference-video-copy { position: static; width: auto; margin: 12px; padding: 18px; }
  .reference-video-actions { top: 10px; right: 10px; }
}
.reference-story { border: 1px solid var(--border); border-radius: 20px; overflow: hidden; background: var(--bg); scroll-margin-top: 115px; }
.reference-story-copy { padding: 32px; }
.reference-type { color: var(--navy-dark); font-size: 12px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; margin: 0 0 24px; }
.reference-client { font-weight: 750; color: var(--navy-dark); font-size: 16px; margin: 0 0 10px; }
.reference-story h3 { color: var(--navy-deeper); font-size: clamp(23px, 2.2vw, 29px); line-height: 1.2; letter-spacing: -.02em; margin: 0 0 16px; }
.reference-story-copy > p:not(.reference-type):not(.reference-client) { color: var(--text-muted); line-height: 1.7; font-size: 16px; margin: 0; }
.reference-story--featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1.1fr; background: var(--surface); }
.reference-story--featured .reference-story-copy { padding: clamp(28px, 4vw, 52px); }
.reference-story--featured h3 { font-size: clamp(28px, 3vw, 40px); }
.reference-story-image { min-width: 0; }
.reference-story-image img { width: 100%; height: 100%; max-height: 760px; display: block; object-fit: cover; object-position: center; }
.reference-story:not(.reference-story--featured) .reference-story-image img { max-height: 220px; object-fit: contain; background: var(--surface); }
.reference-story-details { margin: 28px 0 0; }
.reference-story-details > div { border-top: 1px solid var(--border); padding: 17px 0; }
.reference-story-details dt { font-size: 16px; font-weight: 750; color: var(--navy-deeper); margin-bottom: 5px; }
.reference-story-details dd { color: var(--text-muted); line-height: 1.65; font-size: 15px; margin: 0; }
.reference-visit { display: inline-flex; gap: 12px; align-items: center; color: var(--navy-dark); font-weight: 750; margin-top: 24px; text-underline-offset: 4px; }
.reference-graphics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px 24px; }
.reference-graphic { min-width: 0; scroll-margin-top: 115px; }
.reference-graphic-open { display: block; position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; overflow: hidden; }
.reference-graphic-open img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: contain; }
.reference-graphic-open--logo img { background: var(--bg); }
.reference-graphic-zoom { position: absolute; right: 12px; bottom: 12px; padding: 7px 12px; border-radius: 24px; color: var(--navy-deeper); background: white; font-size: 12px; font-weight: 750; box-shadow: var(--sh-sm); }
.reference-graphic-caption { padding: 17px 3px 0; }
.reference-graphic-caption h3 { color: var(--navy-deeper); font-size: 20px; margin: 0 0 5px; }
.reference-graphic-caption p { color: var(--text-muted); line-height: 1.5; font-size: 14px; margin: 0; }
.reference-graphic-open:focus-visible, .reference-visit:focus-visible, .reference-lightbox button:focus-visible { outline: 3px solid var(--navy); outline-offset: 4px; }
.reference-gallery-open { overflow: hidden; }
.reference-lightbox { width: min(1200px, 94vw); max-height: 94dvh; padding: 20px; border: 0; border-radius: 18px; background: var(--bg); color: var(--navy-deeper); margin: auto; box-shadow: var(--sh-lg); }
.reference-lightbox::backdrop { background: rgba(12, 19, 44, .8); }
.reference-lightbox-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.reference-lightbox h2 { font-size: 18px; line-height: 1.4; margin: 0; }
.reference-lightbox button { flex-shrink: 0; border: 1px solid var(--border); background: var(--surface); color: var(--navy-deeper); font: inherit; padding: 10px 16px; border-radius: 24px; cursor: pointer; }
.reference-lightbox-image { display: block; width: auto; max-width: 100%; margin-inline: auto; max-height: calc(94dvh - 112px); object-fit: contain; }
.reference-image-error { padding: 40px 0; }
.filter-bar-inner { flex-wrap: wrap; }
.filter-btn { white-space: normal; }
@media (min-width: 901px) and (max-width: 1450px) {
  .portfolio-section > .container { padding-left: 100px; }
}
@media (max-width: 900px) {
  .filter-bar-inner {
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 6px;
    padding: 6px;
    border-radius: 16px;
    scroll-snap-type: x proximity;
    scroll-padding-inline: 6px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
  }
  .filter-bar-inner::-webkit-scrollbar { display: block; height: 3px; }
  .filter-bar-inner::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
  .filter-bar .filter-btn {
    flex: 0 0 auto;
    min-height: 44px;
    padding: 11px 16px;
    font-size: 14px;
    line-height: 1.4;
    white-space: nowrap;
    scroll-snap-align: start;
  }
  .filter-bar .filter-btn:focus-visible { outline: 2px solid var(--navy); outline-offset: -2px; }
  .filter-sep { display: none; }
  .reference-video { grid-template-columns: 1fr; }
  .reference-story--featured { grid-template-columns: 1fr; }
  .reference-story-image img { max-height: 380px; object-position: center 42%; }
  .reference-graphics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .reference-interlude { grid-template-columns: 1fr; gap: 12px; padding-block: 28px; margin-block: 8px; }
  .reference-stories, .reference-graphics { grid-template-columns: 1fr; }
  .reference-story-copy, .reference-story--featured .reference-story-copy { padding: 24px; }
  .reference-story-image img { max-height: 320px; }
  .reference-collection { margin-bottom: 40px; }
  .reference-lightbox { padding: 14px; }
  .reference-lightbox h2 { font-size: 15px; }
  .reference-lightbox button { padding: 8px 12px; }
}

/* Mockupit säilytetään kokonaisina kaikissa korttileveyksissä. */
.portfolio-section :is(.proj-card-thumb, .reference-story-image, .reference-service-preview, .reference-graphic-open) img,
.portfolio-section .reference-interlude-image {
  box-sizing: border-box;
  position: relative;
  padding: var(--reference-image-padding);
}
.portfolio-grid .proj-card.light .proj-card-thumb {
  height: auto;
  aspect-ratio: auto;
  background: var(--reference-image-background, var(--surface));
}
.portfolio-grid .proj-card.light .proj-card-thumb img {
  position: relative;
  height: auto;
  object-fit: contain;
  object-position: center;
}
.portfolio-grid .proj-card.light:hover .proj-card-thumb img { transform: none; }
.reference-story-image { background: var(--surface); }
.reference-story .reference-story-image img { object-fit: contain; object-position: center; }

/* Palvelureferenssit: oikea käyttöliittymä ja lyhyt projektikuvaus. */
.reference-interlude--preview {
  grid-template-columns: 1.5fr 1fr; gap: 0; padding: 0; margin: 8px 0;
  border: 1px solid var(--border); border-radius: 20px; overflow: hidden;
  background: var(--bg); box-shadow: var(--sh-sm); align-items: center;
}
.reference-service-preview { min-width: 0; background: var(--surface); }
.reference-service-preview img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: contain; }
.reference-interlude--preview .reference-interlude-copy { padding: clamp(24px, 3vw, 40px); }
.reference-interlude--preview h2 { font-size: clamp(26px, 2.5vw, 36px); margin: 12px 0 18px; }
.reference-interlude--preview .reference-type { color: var(--pink); font-size: 11px; }
.reference-interlude--compact {
  display: grid; grid-template-columns: 0.9fr 1.1fr; align-items: stretch; gap: 0; padding: 0; margin: 8px 0; border: 0; border-radius: 20px; overflow: hidden;
  background: var(--navy-deeper); color: white;
}
.reference-interlude--compact .reference-interlude-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(28px, 4vw, 56px); }
.reference-interlude--compact .reference-type { grid-column: 1 / -1; color: var(--pink-soft); margin: 0 0 12px; font-size: 11px; }
.reference-interlude--compact h2 { color: white; margin: 0 0 16px; font-size: clamp(24px, 2.5vw, 34px); }
.reference-interlude--compact .reference-interlude-copy > p:not(.reference-type) { color: #e0e4f2; margin: 0; }
@media (max-width: 1000px) {
 .reference-interlude--compact { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
 .reference-interlude--preview { grid-template-columns: 1fr; }
 .reference-interlude--compact .reference-interlude-copy { padding: 28px 24px; }
 .reference-interlude--compact .reference-type { margin-bottom: 12px; }
}

.reference-integration-media { position: relative; min-width: 0; margin: 0; display: grid; background: #dedede; }
.reference-integration-illustration { display: block; width: 100%; height: 100%; aspect-ratio: 3 / 2; object-fit: contain; }
.reference-integration-media figcaption { position: absolute; right: 12px; bottom: 12px; left: 12px; text-align: right; font-size: 10px; line-height: 1.5; }
.reference-integration-media figcaption span { display: inline-block; padding: 5px 8px; border-radius: 4px; background: rgb(0 0 0 / 65%); color: white; }