/* cards.css — Folio-card entries. 4px era-band tetején, Fólió № jobb-felül, drop cap belül, 1px keret. */

.folio-card {
  position: relative;
  padding: var(--s-32) var(--s-24) var(--s-24);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg);
  transition: background var(--dur) var(--ease);
  overflow: hidden;
}

.folio-card::before {
  /* era-band — the only gradient/colored progression in the site */
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--folio-era-color, var(--c-accent));
  border-radius: var(--r-md) var(--r-md) 0 0;
}

.folio-card[data-era="okor"]        { --folio-era-color: #1F4F92; }
.folio-card[data-era="klasszikus"]  { --folio-era-color: #B8722C; }
.folio-card[data-era="kozepkor"]    { --folio-era-color: #8C4F2A; }
.folio-card[data-era="reneszansz"]  { --folio-era-color: #4F7A3D; }
.folio-card[data-era="ipari"]       { --folio-era-color: #6B3A1F; }
.folio-card[data-era="modern"]      { --folio-era-color: #B8362F; }
.folio-card[data-era="atomkor"]     { --folio-era-color: #5A6878; }
.folio-card[data-era="informacio"]  { --folio-era-color: #2A3F6B; }
.folio-card[data-era="jovo"]        { --folio-era-color: #5E2A6B; }
/* dual-era cards — gradient between two era colors */
.folio-card[data-era-second]::before {
  background: linear-gradient(90deg,
    var(--folio-era-color, var(--c-accent)) 0%,
    var(--folio-era-color, var(--c-accent)) 50%,
    var(--folio-era-second, var(--c-accent-sec)) 50%,
    var(--folio-era-second, var(--c-accent-sec)) 100%);
}
.folio-card[data-era-second="klasszikus"] { --folio-era-second: #B8722C; }
.folio-card[data-era-second="kozepkor"]   { --folio-era-second: #8C4F2A; }
.folio-card[data-era-second="reneszansz"] { --folio-era-second: #4F7A3D; }
.folio-card[data-era-second="ipari"]      { --folio-era-second: #6B3A1F; }
.folio-card[data-era-second="modern"]     { --folio-era-second: #B8362F; }
.folio-card[data-era-second="atomkor"]    { --folio-era-second: #5A6878; }
.folio-card[data-era-second="informacio"] { --folio-era-second: #2A3F6B; }
.folio-card[data-era-second="jovo"]       { --folio-era-second: #5E2A6B; }

.folio-card__no {
  position: absolute;
  top: 10px;
  right: 12px;
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: transparent;
  padding: 0;
  line-height: 1;
  pointer-events: none;
}

.folio-card:hover {
  background: var(--c-surface2);
}

.folio-card h3 {
  font-family: var(--f-heading);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  line-height: 1.25;
  color: var(--c-text);
  margin: 0 0 6px;
  padding-right: var(--s-48);
}

.folio-card__sub {
  display: block;
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent-sec);
  margin-bottom: var(--s-16);
  padding-bottom: var(--s-12);
  border-bottom: 1px dotted var(--c-border);
}

.folio-card__body {
  font-family: var(--f-body);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--c-text);
}
.folio-card__body::after {
  content: "";
  display: block;
  clear: both;
}
.folio-card__body > p:first-of-type {
  margin-top: 0;
}
.folio-card__body > p:first-of-type::first-letter {
  font-family: var(--f-heading);
  font-weight: 700;
  font-size: 2.25rem;
  float: left;
  line-height: 1;
  padding: 2px 8px 0 0;
  color: var(--c-accent);
}

.folio-card__meta {
  margin: var(--s-20) 0 0;
  padding-top: var(--s-12);
  border-top: 1px dotted var(--c-border);
  font-family: var(--f-mono);
  color: var(--c-text-dim);
  display: flex;
  flex-direction: column;
  gap: var(--s-12);
}
.folio-card__meta dt {
  color: var(--c-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.6875rem;
  font-weight: 500;
  margin: 0 0 2px;
  line-height: 1.3;
  font-family: var(--f-mono);
}
.folio-card__meta dd {
  color: var(--c-text);
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
  font-family: var(--f-body);
}

.folio-card__cta {
  display: block;
  margin-top: var(--s-16);
  font-family: var(--f-body);
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--c-accent);
  text-decoration: none;
}
.folio-card__cta::after {
  content: " →";
}

/* Era-progression teaser row — 9 mini era-cells horizontal */
.era-strip {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 0;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  margin: var(--s-32) 0;
  overflow: hidden;
}
.era-strip__cell {
  padding: var(--s-16);
  border-right: 1px solid var(--c-border);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  transition: background var(--dur) var(--ease);
}
.era-strip__cell:last-child { border-right: none; }
.era-strip__cell::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--era-strip-color, var(--c-accent));
}
.era-strip__cell:hover { background: var(--c-surface); }
.era-strip__name {
  font-family: var(--f-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-text);
  margin-top: var(--s-8);
}
.era-strip__years {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  color: var(--c-text-dim);
}
.era-strip__hint {
  font-family: var(--f-body);
  font-size: 0.75rem;
  color: var(--c-text-dim);
  line-height: 1.45;
  margin-top: 4px;
}

/* Screenshot card */
.screenshot-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-32);
  align-items: center;
  margin-bottom: var(--s-48);
}
.screenshot-card__img {
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-surface);
  aspect-ratio: 16/9;
}
.screenshot-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.screenshot-card__text h3 {
  margin-bottom: var(--s-12);
}
.screenshot-card__text p {
  color: var(--c-text);
}

/* Screenshot gallery tile */
.screenshot-tile {
  margin: 0;
  padding: 0;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.screenshot-tile img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--c-border);
}
.screenshot-tile figcaption {
  padding: var(--s-12) var(--s-16);
  font-family: var(--f-heading);
  font-style: italic;
  font-size: 0.8125rem;
  color: var(--c-text-dim);
  line-height: 1.5;
  margin: 0;
}

/* Inline illustration block on sub-pages */
.ec-illustration {
  margin: var(--s-32) 0;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-bg);
}
.ec-illustration img {
  width: 100%;
  height: auto;
  display: block;
  border-bottom: 1px solid var(--c-border);
}
.ec-illustration figcaption {
  padding: var(--s-12) var(--s-16);
  font-family: var(--f-heading);
  font-style: italic;
  font-size: 0.8125rem;
  color: var(--c-text-dim);
  margin: 0;
}

/* Download badge cell */
.download-cell {
  padding: var(--s-24);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--s-16);
  transition: background var(--dur) var(--ease);
  text-decoration: none;
  color: inherit;
}
.download-cell:hover {
  background: var(--c-surface2);
  color: inherit;
}
.download-cell__label {
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
}
.download-cell__desc {
  font-family: var(--f-body);
  font-size: 0.875rem;
  color: var(--c-text-dim);
  line-height: 1.55;
}

@media (max-width: 1023px) {
  .era-strip {
    grid-template-columns: repeat(3, 1fr);
  }
  .era-strip__cell {
    border-bottom: 1px solid var(--c-border);
  }
  .era-strip__cell:nth-child(3n) { border-right: none; }
  .era-strip__cell:nth-last-child(-n+3) { border-bottom: none; }
  .screenshot-card { grid-template-columns: 1fr; }
}

@media (max-width: 639px) {
  .era-strip { grid-template-columns: 1fr; }
  .era-strip__cell { border-right: none; border-bottom: 1px solid var(--c-border); }
  .era-strip__cell:last-child { border-bottom: none; }
}