/* Human Signals: a personal counterpoint to the engineering case studies. */

.memory-section[data-memory-variant="human-signals"] {
  background:
    radial-gradient(circle at 8% 4%, rgba(var(--rgb-signal-red), 0.14), transparent 28%),
    radial-gradient(circle at 88% 58%, rgba(var(--rgb-signal-red), 0.055), transparent 32%),
    linear-gradient(180deg, rgba(var(--rgb-warm-ink), 0.018), transparent 32%),
    var(--surface-section-dark);
}

.memory-section[data-memory-variant="human-signals"] .memory-heading {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(20px, 3vw, 48px);
  align-items: end;
  margin-top: clamp(36px, 5vw, 72px);
  padding-bottom: clamp(28px, 4vw, 50px);
  border-bottom: 1px solid rgba(var(--rgb-warm-ink), 0.2);
}

.memory-section[data-memory-variant="human-signals"] .memory-heading::before {
  position: absolute;
  right: 0;
  bottom: -1px;
  width: min(34vw, 430px);
  height: 2px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--color-signal-red));
}

.memory-section[data-memory-variant="human-signals"] .memory-heading::after {
  grid-column: 8 / -1;
  align-self: end;
  max-width: 48ch;
  margin-bottom: 0.3em;
  content: attr(data-summary);
  color: rgba(var(--rgb-warm-ink), 0.72);
  font-size: clamp(15px, 1.25vw, 18px);
  line-height: 1.8;
  text-wrap: pretty;
}

.memory-section[data-memory-variant="human-signals"] .memory-heading .eyebrow {
  grid-column: 1 / span 7;
  margin-bottom: 14px;
}

.memory-section[data-memory-variant="human-signals"] .memory-heading h2 {
  grid-column: 1 / span 7;
  max-width: 13ch;
  font-size: clamp(42px, 5.7vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.memory-section[data-memory-variant="human-signals"] .memory-wall {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
  align-items: stretch;
  margin-top: clamp(34px, 5vw, 66px);
}

.memory-section[data-memory-variant="human-signals"] .memory-object[hidden] {
  display: none !important;
}

.memory-section[data-memory-variant="human-signals"] .memory-object {
  grid-column: auto;
  grid-template-rows: minmax(0, 1fr) auto;
  min-height: 0;
  overflow: hidden;
  border-color: rgba(var(--rgb-warm-ink), 0.28);
  background: rgba(5, 5, 5, 0.78);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.24);
  isolation: isolate;
}

.memory-section[data-memory-variant="human-signals"] .memory-object::before {
  z-index: 5;
  width: clamp(52px, 7vw, 112px);
  height: 2px;
}

.memory-section[data-memory-variant="human-signals"] .memory-object:hover {
  border-color: rgba(var(--rgb-signal-red), 0.78);
  background: rgba(5, 5, 5, 0.82);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.24);
  transform: none;
}

.memory-section[data-memory-variant="human-signals"] .memory-object:hover::before {
  width: clamp(52px, 7vw, 112px);
}

.memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="music"] {
  grid-column: 1 / span 7;
  grid-template-rows: clamp(290px, 31vw, 430px) auto;
}

.memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="volleyball"] {
  grid-column: 8 / -1;
  grid-template-rows: clamp(420px, 46vw, 620px) auto;
}

.memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="leadership"] {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.78fr);
  grid-template-rows: minmax(360px, 42vw);
}

.memory-section[data-memory-variant="human-signals"] .memory-object__visual {
  position: relative;
  min-height: 0;
  overflow: hidden;
  border-bottom-color: rgba(var(--rgb-warm-ink), 0.18);
  background: #050505;
  isolation: isolate;
}

.memory-section[data-memory-variant="human-signals"] .memory-object__visual::before {
  position: absolute;
  inset: -2px;
  z-index: 0;
  content: "";
  background-position: center;
  background-size: cover;
  filter: saturate(0.86) contrast(1.04) brightness(0.92);
  clip-path: inset(0 100% 0 0);
  transform: scale(1.001);
  transform-origin: center;
  transition: filter 0.8s var(--ease-out), transform 1.4s var(--ease-out);
}

.memory-section[data-memory-variant="human-signals"] .memory-wall.is-visible .memory-object__visual::before {
  animation: humanSignalImageReveal 1.18s var(--ease-out) both;
}

.memory-section[data-memory-variant="human-signals"] .memory-object:nth-child(2) .memory-object__visual::before {
  animation-delay: 90ms;
}

.memory-section[data-memory-variant="human-signals"] .memory-object:nth-child(3) .memory-object__visual::before {
  animation-delay: 180ms;
}

.memory-section[data-memory-variant="human-signals"] .memory-object__visual::after {
  position: absolute;
  right: 22px;
  bottom: 18px;
  left: 22px;
  z-index: 4;
  content: attr(data-caption);
  color: rgba(var(--rgb-warm-ink), 0.86);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.92);
}

.memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="music"] .memory-object__visual::before {
  background-image:
    linear-gradient(180deg, rgba(5, 5, 5, 0.02) 42%, rgba(5, 5, 5, 0.76) 100%),
    url("/images/generated/human-signal-trumpet.webp");
  background-position: center 54%;
}

.memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="volleyball"] .memory-object__visual::before {
  background-image:
    linear-gradient(180deg, rgba(5, 5, 5, 0.02) 46%, rgba(5, 5, 5, 0.78) 100%),
    url("/images/generated/human-signal-volleyball.webp");
  background-position: center 38%;
}

.memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="leadership"] .memory-object__visual::before {
  background-image:
    linear-gradient(90deg, rgba(5, 5, 5, 0.03) 48%, rgba(5, 5, 5, 0.72) 100%),
    url("/images/generated/human-signal-leadership.webp");
  background-position: center;
}

.memory-section[data-memory-variant="human-signals"] .chip-grid {
  inset: 0;
  z-index: 2;
  background-size: 32px 32px;
  opacity: 0.2;
  -webkit-mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.86), transparent 88%);
  mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.86), transparent 88%);
}

.memory-section[data-memory-variant="human-signals"] .wave-line {
  display: none;
}

.memory-section[data-memory-variant="human-signals"] .memory-object__visual strong {
  top: 22px;
  right: 22px;
  bottom: auto;
  z-index: 4;
  font-size: clamp(44px, 5vw, 76px);
  line-height: 0.9;
  text-shadow: 0 0 28px rgba(var(--rgb-signal-red), 0.3);
}

.memory-section[data-memory-variant="human-signals"] .memory-object__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
  padding: clamp(24px, 3.2vw, 46px);
  background:
    linear-gradient(135deg, rgba(var(--rgb-warm-ink), 0.055), transparent 62%),
    rgba(5, 5, 5, 0.92);
}

.memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="leadership"] .memory-object__visual {
  border-right: 1px solid rgba(var(--rgb-warm-ink), 0.18);
  border-bottom: 0;
}

.memory-section[data-memory-variant="human-signals"] .memory-object__body > span {
  color: var(--color-signal-red);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.memory-section[data-memory-variant="human-signals"] .memory-object h3 {
  max-width: 19ch;
  margin: 14px 0 14px;
  color: var(--color-warm-ink);
  font-family: var(--font-serif);
  font-size: clamp(27px, 3vw, 46px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.memory-section[data-memory-variant="human-signals"] .memory-object p {
  max-width: 58ch;
  color: rgba(var(--rgb-warm-ink), 0.74);
  font-size: clamp(14px, 1.15vw, 16px);
  line-height: 1.82;
  text-wrap: pretty;
}

@media (min-width: 761px) {
  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="music"] .memory-object__body::before {
    align-self: flex-start;
    margin-bottom: auto;
    content: attr(data-stat);
    color: transparent;
    font-family: var(--font-mono);
    font-size: clamp(46px, 5.4vw, 82px);
    font-weight: 700;
    line-height: 0.82;
    letter-spacing: -0.06em;
    white-space: pre-line;
    -webkit-text-stroke: 1px rgba(var(--rgb-warm-ink), 0.15);
  }
}

@media (hover: hover) and (pointer: fine) {
  .memory-section[data-memory-variant="human-signals"] .memory-object:hover .memory-object__visual::before {
    filter: saturate(0.94) contrast(1.06) brightness(1);
    transform: scale(1.025);
  }
}

@media (max-width: 1080px) {
  .memory-section[data-memory-variant="human-signals"] .memory-heading h2 {
    grid-column: 1 / span 8;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-heading::after {
    grid-column: 9 / -1;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="music"],
  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="volleyball"] {
    grid-column: span 6;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="leadership"] {
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.8fr);
  }
}

@media (max-width: 760px) {
  .memory-section[data-memory-variant="human-signals"] .memory-heading {
    grid-template-columns: 1fr;
    row-gap: 0;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-heading .eyebrow,
  .memory-section[data-memory-variant="human-signals"] .memory-heading h2,
  .memory-section[data-memory-variant="human-signals"] .memory-heading::after {
    grid-column: 1;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-heading h2 {
    max-width: 12ch;
    font-size: clamp(36px, 10.6vw, 58px);
  }

  .memory-section[data-memory-variant="human-signals"] .memory-heading::after {
    margin-top: 22px;
    margin-bottom: 0;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-wall {
    grid-template-columns: 1fr;
    opacity: 1;
    transform: none;
    transition: none;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-wall .memory-object {
    opacity: 1;
    animation: none;
    transform: none;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object__visual::before,
  .memory-section[data-memory-variant="human-signals"] .memory-wall.is-visible .memory-object__visual::before {
    animation: none;
    clip-path: none;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity] {
    grid-column: 1;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="music"],
  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="volleyball"] {
    grid-template-rows: clamp(260px, 76vw, 440px) auto;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="leadership"] {
    grid-template-columns: 1fr;
    grid-template-rows: clamp(240px, 62vw, 390px) auto;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="leadership"] .memory-object__visual {
    border-right: 0;
    border-bottom: 1px solid rgba(var(--rgb-warm-ink), 0.18);
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="leadership"] .memory-object__visual::before {
    background-position: 38% center;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object__body {
    padding: 24px 22px 28px;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object h3 {
    font-size: clamp(26px, 8vw, 40px);
  }
}

@media (max-width: 420px) {
  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="music"],
  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="volleyball"] {
    grid-template-rows: 260px auto;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object[data-activity="leadership"] {
    grid-template-rows: 220px auto;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object__visual::after {
    right: 16px;
    bottom: 14px;
    left: 16px;
    font-size: 9px;
  }

  .memory-section[data-memory-variant="human-signals"] .memory-object__visual strong {
    top: 18px;
    right: 16px;
    font-size: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .memory-section[data-memory-variant="human-signals"] .memory-object__visual::before,
  .memory-section[data-memory-variant="human-signals"] .memory-wall.is-visible .memory-object__visual::before,
  .memory-section[data-memory-variant="human-signals"] .memory-object:hover .memory-object__visual::before {
    animation: none !important;
    clip-path: none;
    transform: none !important;
    transition: none;
  }
}

@keyframes humanSignalImageReveal {
  from {
    clip-path: inset(0 100% 0 0);
    transform: scale(1.025);
  }

  to {
    clip-path: inset(0 0 0 0);
    transform: scale(1.001);
  }
}