/* Phase 4: Founding Fish conservation gallery and honest origin archive. */
#founding-fish {
  height: auto;
  min-height: 100svh;
  background:
    radial-gradient(ellipse at 50% 7%, rgba(71, 137, 143, .12), transparent 38%),
    linear-gradient(180deg, #061d29 0%, #041925 62%, #061f2c 100%);
}

#founding-fish .founding-chamber-bg {
  opacity: .06;
  filter: grayscale(.7) saturate(.35) contrast(1.04) brightness(.64);
  mix-blend-mode: screen;
}

#founding-fish .section-shell {
  max-height: none;
  overflow: visible;
  padding-top: clamp(56px, 8vw, 104px);
  padding-bottom: clamp(68px, 9vw, 116px);
}

#founding-fish .gallery-head {
  position: relative;
  z-index: 1;
  align-items: end;
  margin-bottom: clamp(28px, 3.4vw, 46px);
  padding-bottom: clamp(22px, 2.4vw, 30px);
  border-bottom: 1px solid rgba(169, 232, 222, .16);
}

#founding-fish .gallery-head::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: clamp(72px, 9vw, 122px);
  height: 1px;
  background: linear-gradient(90deg, rgba(98, 232, 213, .82), transparent);
}

#founding-fish .gallery-head > div { max-width: 690px; }

#founding-fish .gallery-note {
  max-width: 49ch;
  color: rgba(221, 250, 246, .75);
  font-size: 14px;
  line-height: 1.68;
}

#founding-fish .tier-grid {
  position: relative;
  isolation: isolate;
  width: min(1080px, 100%);
  gap: clamp(14px, 1.55vw, 20px);
  padding: clamp(14px, 1.7vw, 22px);
  border: 1px solid rgba(169, 232, 222, .12);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(7, 34, 46, .54), rgba(2, 18, 28, .3)), rgba(3, 24, 35, .36);
  box-shadow: inset 0 1px 0 rgba(238, 255, 252, .035), 0 30px 74px -58px rgba(0, 8, 14, .94);
}

#founding-fish .tier-grid::before {
  content: 'FOUNDING COLLECTION · 3,333 RECORDED PORTRAITS';
  position: absolute;
  z-index: 3;
  top: -19px;
  left: 20px;
  padding: 0 8px;
  background: #061d29;
  color: rgba(169, 232, 222, .46);
  font: 700 7px var(--font-mono);
  letter-spacing: .16em;
  white-space: nowrap;
  pointer-events: none;
}

#founding-fish .tier-grid::after { content: none; }

#founding-fish .tier-card {
  --tier-material: rgba(98, 232, 213, .56);
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border: 1px solid rgba(196, 230, 228, .2);
  border-radius: 12px;
  background: #020f18;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .045), 0 18px 34px -30px rgba(0, 7, 12, .92);
  filter: none;
  transition: transform var(--motion-standard) var(--ease-standard), border-color var(--motion-standard) var(--ease-standard), box-shadow var(--motion-standard) var(--ease-standard);
}

#founding-fish .tier-card.rare { --tier-material: rgba(109, 167, 255, .72); }
#founding-fish .tier-card.epic { --tier-material: rgba(190, 130, 255, .72); }
#founding-fish .tier-card.legendary { --tier-material: rgba(239, 199, 110, .78); }
#founding-fish .tier-card.mythical { --tier-material: rgba(255, 155, 196, .72); }

#founding-fish .tier-card::before {
  content: '';
  position: absolute;
  z-index: 3;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, transparent 8%, var(--tier-material) 31%, transparent 88%);
  opacity: .72;
  pointer-events: none;
}

#founding-fish .tier-card::after {
  background: linear-gradient(180deg, rgba(1, 10, 17, .02) 45%, rgba(1, 9, 15, .32) 66%, rgba(1, 9, 15, .94) 100%), linear-gradient(90deg, rgba(1, 9, 15, .16), transparent 36%);
}

#founding-fish .tier-card picture,
#founding-fish .tier-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#founding-fish .tier-card img {
  object-fit: cover;
  filter: saturate(.88) contrast(1.025) brightness(.94);
  transition: filter var(--motion-standard) var(--ease-standard) !important;
  transform: none !important;
}

#founding-fish .tier-card:hover,
#founding-fish .tier-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--tier-material);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07), 0 22px 40px -32px var(--tier-material), 0 18px 34px -28px rgba(0, 7, 12, .96);
}

#founding-fish .tier-card:hover img,
#founding-fish .tier-card:focus-visible img { filter: saturate(1) contrast(1.045) brightness(1.015); }

#founding-fish .tier-card:focus-visible { outline: var(--focus-ring); outline-offset: 4px; }

#founding-fish .tier-badge,
#founding-fish .tier-supply {
  position: absolute;
  z-index: 4;
  top: 13px;
  border: 1px solid rgba(225, 249, 245, .38);
  background: rgba(2, 17, 27, .9);
  color: rgba(241, 253, 251, .9);
  font: 700 7px var(--font-mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}

#founding-fish .tier-badge { left: 13px; padding: 6px 8px; border-color: var(--tier-material); border-radius: 4px; }
#founding-fish .tier-supply { right: 13px; padding: 6px 7px; border-radius: 4px; color: rgba(221, 250, 246, .7); }

#founding-fish .tier-bottom { right: 17px; bottom: 16px; left: 17px; }

#founding-fish .tier-bottom::before {
  content: '';
  display: block;
  width: 34px;
  height: 1px;
  margin-bottom: 10px;
  background: var(--tier-material);
  opacity: .78;
}

#founding-fish .tier-bottom h3 {
  color: #f3fbf8;
  font-size: clamp(27px, 2.5vw, 38px);
  text-shadow: 0 2px 16px rgba(0, 8, 14, .72);
}

#founding-fish .tier-bottom span { display: block; margin-top: 4px; color: rgba(221, 250, 246, .68); }

#founding-fish .origin-timeline {
  position: relative;
  width: min(1080px, 100%);
  margin-top: clamp(54px, 7vw, 86px);
  padding: clamp(28px, 3.2vw, 42px);
  border: 1px solid rgba(169, 232, 222, .15);
  border-radius: 14px;
  background: linear-gradient(90deg, rgba(98, 232, 213, .028) 1px, transparent 1px) 0 0 / 25% 100%, linear-gradient(150deg, rgba(6, 31, 43, .9), rgba(2, 18, 28, .72));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .035), 0 30px 64px -50px rgba(0, 8, 14, .94);
  backdrop-filter: none;
}

#founding-fish .origin-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: clamp(28px, 3.2vw, 42px);
  width: 96px;
  height: 1px;
  background: linear-gradient(90deg, rgba(98, 232, 213, .9), transparent);
  box-shadow: none;
}

#founding-fish .origin-provenance {
  display: grid;
  grid-template-columns: minmax(120px, .32fr) 1fr;
  gap: clamp(22px, 4vw, 58px);
  align-items: start;
  margin-bottom: clamp(28px, 3.6vw, 42px);
  padding-bottom: clamp(24px, 3vw, 34px);
  border-bottom: 1px solid rgba(169, 232, 222, .14);
}

#founding-fish .origin-provenance span {
  color: rgba(98, 232, 213, .8);
  font: 700 8px var(--font-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
}

#founding-fish .origin-provenance p {
  max-width: 650px;
  margin: 0;
  color: rgba(238, 252, 248, .86);
  font: clamp(22px, 2.35vw, 31px) / 1.25 var(--font-display);
}

#founding-fish .origin-head { align-items: start; margin-bottom: 28px; }

#founding-fish .origin-head > p {
  max-width: 390px;
  color: rgba(221, 250, 246, .6);
  font-size: 10px;
  line-height: 1.6;
}

#founding-fish .timeline-track { padding-bottom: 26px; }
#founding-fish .timeline-track::before { background: linear-gradient(90deg, rgba(98, 232, 213, .12), rgba(169, 232, 222, .35), rgba(98, 232, 213, .12)); }
#founding-fish .timeline-stop { min-height: 48px; color: rgba(221, 250, 246, .56); }

#founding-fish .timeline-stop::before {
  width: 14px;
  height: 14px;
  border-color: rgba(169, 232, 222, .38);
  background: #041722;
  box-shadow: inset 0 0 0 4px #041722;
}

#founding-fish .timeline-stop[aria-current='true'] { color: var(--aqua); }

#founding-fish .timeline-stop[aria-current='true']::before {
  border-color: #a8fff2;
  background: var(--aqua);
  box-shadow: 0 0 0 4px rgba(98, 232, 213, .09);
}

#founding-fish .timeline-panel {
  position: relative;
  min-height: 248px;
  overflow: hidden;
  border: 1px solid rgba(169, 232, 222, .16);
  border-radius: 8px;
  padding: clamp(20px, 2.4vw, 30px);
  background: rgba(2, 17, 27, .78);
  box-shadow: inset 3px 0 0 rgba(98, 232, 213, .22);
}

#founding-fish .timeline-panel::after {
  content: 'PROVENANCE RECORD';
  position: absolute;
  top: 13px;
  right: 15px;
  color: rgba(169, 232, 222, .28);
  font: 700 6.5px var(--font-mono);
  letter-spacing: .17em;
  pointer-events: none;
}

#founding-fish .timeline-panel-inner { grid-template-columns: minmax(190px, .7fr) 1.5fr; gap: clamp(26px, 4vw, 54px); }

#founding-fish .timeline-visual {
  min-height: 188px;
  border-color: rgba(169, 232, 222, .14);
  border-radius: 6px;
  background: rgba(1, 13, 21, .66);
}

#founding-fish .timeline-text h4 { max-width: 720px; }
#founding-fish .timeline-copy { gap: clamp(16px, 2.4vw, 32px); }

#founding-fish .timeline-copy p {
  color: rgba(221, 250, 246, .72);
  font-size: 12px;
  line-height: 1.65;
}

@media (max-width: 900px) {
  #founding-fish .tier-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); width: min(720px, 100%); }
  #founding-fish .tier-card,
  #founding-fish .tier-card:nth-child(4) { grid-column: auto; width: 100%; margin: 0; }
  #founding-fish .tier-card:nth-child(5) { grid-column: 1 / -1; width: calc(50% - 7px); justify-self: center; }
  #founding-fish .origin-timeline { padding: 30px 24px 28px; }
  #founding-fish .timeline-panel-inner { grid-template-columns: minmax(170px, .7fr) 1.4fr; gap: 26px; }
}

@media (max-width: 620px) {
  #founding-fish .section-shell { padding-top: 54px; padding-bottom: 72px; }
  #founding-fish .founding-chamber-bg { opacity: .035; }
  #founding-fish .gallery-head { margin-bottom: 28px; padding-bottom: 19px; }
  #founding-fish .gallery-note { margin-top: 15px; font-size: 12px; line-height: 1.62; }

  #founding-fish .tier-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    width: min(360px, 100%);
    padding: 11px;
    border-radius: 14px;
  }

  #founding-fish .tier-grid::before {
    top: -17px;
    left: 9px;
    max-width: calc(100% - 18px);
    overflow: hidden;
    font-size: 6px;
    letter-spacing: .11em;
  }

  #founding-fish .tier-card,
  #founding-fish .tier-card:nth-child(4),
  #founding-fish .tier-card:nth-child(5) {
    grid-column: auto;
    width: 100%;
    max-width: none;
    margin: 0;
    aspect-ratio: 4 / 5;
    border-radius: 10px;
  }

  #founding-fish .tier-badge,
  #founding-fish .tier-supply { top: 11px; font-size: 6.5px; }
  #founding-fish .tier-badge { left: 11px; }
  #founding-fish .tier-supply { right: 11px; }
  #founding-fish .tier-bottom { right: 15px; bottom: 15px; left: 15px; }
  #founding-fish .tier-bottom h3 { font-size: clamp(30px, 10vw, 38px); }
  #founding-fish .tier-bottom span { font-size: 8px; }

  #founding-fish .origin-timeline {
    margin-top: 54px;
    padding: 24px 15px 18px;
    border-radius: 10px;
    background: rgba(3, 23, 34, .68);
  }

  #founding-fish .origin-timeline::before { left: 15px; width: 64px; }
  #founding-fish .origin-provenance { grid-template-columns: 1fr; gap: 12px; margin-bottom: 26px; padding-bottom: 22px; }
  #founding-fish .origin-provenance p { font-size: 24px; }
  #founding-fish .origin-head { margin-bottom: 22px; }
  #founding-fish .origin-head > p { margin-top: 7px; font-size: 9px; }
  #founding-fish .timeline-track { padding-bottom: 20px; }

  #founding-fish .timeline-stop {
    gap: 7px;
    padding-inline: 2px;
    font-size: 6.3px;
    letter-spacing: .035em;
    white-space: nowrap;
  }

  #founding-fish .timeline-panel { min-height: 0; padding: 16px; }
  #founding-fish .timeline-panel::after { top: 10px; right: 10px; font-size: 5.5px; }
  #founding-fish .timeline-panel-inner { grid-template-columns: 1fr; gap: 18px; }
  #founding-fish .timeline-visual { min-height: 160px; }
  #founding-fish .timeline-copy { grid-template-columns: 1fr; gap: 10px; }
}

@media (hover: none), (pointer: coarse) {
  #founding-fish .tier-card:hover {
    transform: none;
    border-color: rgba(196, 230, 228, .2);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .045), 0 18px 34px -30px rgba(0, 7, 12, .92);
  }

  #founding-fish .tier-card:hover img { filter: saturate(.88) contrast(1.025) brightness(.94); }
}

@media (prefers-reduced-motion: reduce) {
  #founding-fish .tier-card,
  #founding-fish .tier-card img,
  #founding-fish .timeline-panel { transition: none !important; }

  #founding-fish .tier-card:hover,
  #founding-fish .tier-card:focus-visible { transform: none; }
}