.portfolio-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  overflow: hidden;
  color: #efeee8;
  background: #080a09;
}

.portfolio-intro {
  position: relative;
  flex: 0 0 58%;
  min-width: 0;
  overflow: hidden;
  background: #080a09;
}

.portfolio-intro::before,
.portfolio-intro::after {
  content: "";
  position: absolute;
  z-index: 4;
  pointer-events: none;
  border: 1px solid rgba(184, 230, 83, 0.12);
  border-radius: 50%;
}

.portfolio-intro::before {
  width: 56vw;
  height: 56vw;
  right: -18vw;
  top: 9vh;
}

.portfolio-intro::after {
  width: 34vw;
  height: 34vw;
  right: -8vw;
  top: 25vh;
  border-color: rgba(239, 238, 232, 0.08);
}

.portfolio-intro-title {
  position: absolute;
  z-index: 8;
  left: 4.2vw;
  top: 112px;
  max-width: 580px;
}

.portfolio-intro-title p {
  margin: 0;
  font: 400 clamp(17px, 1.45vw, 24px)/1.45 Georgia, "Noto Serif SC", "Songti SC", serif;
  letter-spacing: 0.03em;
}

.portfolio-intro-title small {
  display: block;
  margin-top: 8px;
  color: var(--acid);
  font: 8px/1.5 Consolas, "SFMono-Regular", monospace;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.portfolio-gallery,
.portfolio-portrait,
.portfolio-portrait-image {
  position: absolute;
  inset: 0;
}

.portfolio-portrait {
  margin: 0;
  opacity: 0;
  animation: portfolioPortraitCycle 70s linear infinite;
}

.portfolio-portrait:nth-child(1) { animation-delay: 0s; }
.portfolio-portrait:nth-child(2) { animation-delay: -60s; }
.portfolio-portrait:nth-child(3) { animation-delay: -50s; }
.portfolio-portrait:nth-child(4) { animation-delay: -40s; }
.portfolio-portrait:nth-child(5) { animation-delay: -30s; }
.portfolio-portrait:nth-child(6) { animation-delay: -20s; }
.portfolio-portrait:nth-child(7) { animation-delay: -10s; }

.portfolio-portrait-image {
  background-color: #111914;
  background-repeat: no-repeat;
  background-size: auto 90%;
  background-position: 76% 34%;
  background-blend-mode: luminosity;
  filter: grayscale(1) sepia(0.08) contrast(1.18) brightness(0.72);
  animation: portfolioPortraitDrift 70s linear infinite;
  -webkit-mask-image: radial-gradient(ellipse 48% 84% at 74% 48%, #000 36%, rgba(0, 0, 0, 0.94) 61%, transparent 88%);
  mask-image: radial-gradient(ellipse 48% 84% at 74% 48%, #000 36%, rgba(0, 0, 0, 0.94) 61%, transparent 88%);
}

.portfolio-portrait:nth-child(1) .portfolio-portrait-image { animation-delay: 0s; }
.portfolio-portrait:nth-child(2) .portfolio-portrait-image { animation-delay: -60s; }
.portfolio-portrait:nth-child(3) .portfolio-portrait-image { animation-delay: -50s; }
.portfolio-portrait:nth-child(4) .portfolio-portrait-image { animation-delay: -40s; }
.portfolio-portrait:nth-child(5) .portfolio-portrait-image { animation-delay: -30s; }
.portfolio-portrait:nth-child(6) .portfolio-portrait-image { animation-delay: -20s; }
.portfolio-portrait:nth-child(7) .portfolio-portrait-image { animation-delay: -10s; }

.portfolio-carlyle .portfolio-portrait-image { background-image: url("gallery/carlyle.jpg"); }
.portfolio-twain .portfolio-portrait-image { background-image: url("gallery/mark-twain.jpg"); background-size: auto 96%; }
.portfolio-caesar .portfolio-portrait-image { background-image: url("gallery/julius-caesar.jpg"); background-size: auto 94%; }
.portfolio-cato .portfolio-portrait-image { background-image: url("gallery/cato.jpg"); }
.portfolio-cicero .portfolio-portrait-image { background-image: url("gallery/cicero.jpg"); background-size: auto 94%; }
.portfolio-kierkegaard .portfolio-portrait-image { background-image: url("gallery/kierkegaard.jpg"); background-size: auto 94%; }
.portfolio-johnson .portfolio-portrait-image { background-image: url("gallery/samuel-johnson.jpg"); background-size: auto 96%; }

.portfolio-portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(ellipse 48% 78% at 74% 48%, transparent 0 43%, rgba(8, 10, 9, 0.22) 67%, #080a09 94%),
    linear-gradient(90deg, #080a09 0%, rgba(8, 10, 9, 0.58) 35%, rgba(8, 10, 9, 0.08) 80%),
    linear-gradient(0deg, #080a09 0%, rgba(8, 10, 9, 0.14) 52%, rgba(8, 10, 9, 0.3) 100%);
}

.portfolio-portrait figcaption {
  position: absolute;
  z-index: 6;
  left: 4.2vw;
  right: 4vw;
  bottom: 9vh;
  max-width: 650px;
  animation: portfolioCaptionCycle 70s linear infinite;
}

.portfolio-portrait:nth-child(1) figcaption { animation-delay: 0s; }
.portfolio-portrait:nth-child(2) figcaption { animation-delay: -60s; }
.portfolio-portrait:nth-child(3) figcaption { animation-delay: -50s; }
.portfolio-portrait:nth-child(4) figcaption { animation-delay: -40s; }
.portfolio-portrait:nth-child(5) figcaption { animation-delay: -30s; }
.portfolio-portrait:nth-child(6) figcaption { animation-delay: -20s; }
.portfolio-portrait:nth-child(7) figcaption { animation-delay: -10s; }

.portfolio-portrait blockquote {
  position: relative;
  max-width: 570px;
  margin: 0;
  padding-left: 27px;
  font: italic 400 clamp(20px, 2.05vw, 32px)/1.5 Georgia, "Noto Serif SC", "Songti SC", serif;
  letter-spacing: -0.025em;
}

.portfolio-portrait blockquote::before {
  content: "“";
  position: absolute;
  left: -4px;
  top: -10px;
  color: var(--acid);
  font-size: 34px;
  font-style: normal;
}

.portfolio-portrait figcaption p {
  max-width: 610px;
  margin: 15px 0 20px 27px;
  color: rgba(239, 238, 232, 0.62);
  font: 8px/1.7 Consolas, "SFMono-Regular", monospace;
  letter-spacing: 0.05em;
}

.portfolio-portrait figcaption cite {
  margin-left: 27px;
  font: 12px Georgia, "Noto Serif SC", "Songti SC", serif;
  font-style: normal;
}

.portfolio-portrait figcaption cite span {
  margin-left: 9px;
  color: var(--acid);
  font: 8px Consolas, "SFMono-Regular", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@keyframes portfolioPortraitCycle {
  0%, 13% { opacity: 1; }
  14.3%, 99% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes portfolioCaptionCycle {
  0%, 12.45% { opacity: 1; }
  12.9%, 99.8% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes portfolioPortraitDrift {
  0% { transform: scale(1.018) translateY(0); }
  13%, 14.3% { transform: scale(1.055) translateY(-0.8%); }
  99%, 100% { transform: scale(1.018) translateY(0); }
}

.portfolio-doors {
  position: relative;
  flex: 0 0 42%;
  display: flex;
  min-width: 0;
  border-left: 1px solid rgba(239, 238, 232, 0.34);
  box-shadow:
    -10px 0 32px rgba(0, 0, 0, 0.38),
    inset 1px 0 rgba(184, 230, 83, 0.18);
}

.portfolio-doors::before {
  content: "";
  position: absolute;
  z-index: 8;
  top: 79px;
  bottom: 0;
  left: -2px;
  width: 3px;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(184, 230, 83, 0.78) 18%,
    rgba(184, 230, 83, 0.16) 54%,
    transparent 96%
  );
}

.portfolio-doors-title {
  position: absolute;
  z-index: 7;
  top: 95px;
  left: 0;
  right: 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
  margin: 0;
  pointer-events: none;
  color: rgba(239, 238, 232, 0.72);
  font: 400 12px/1.2 Georgia, "Noto Serif SC", "Songti SC", serif;
  letter-spacing: 0.18em;
}

.portfolio-doors-title small {
  color: var(--acid);
  font: 7px/1.2 Consolas, "SFMono-Regular", monospace;
  letter-spacing: 0.14em;
}

.portfolio-door {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  isolation: isolate;
  border-right: 1px solid rgba(239, 238, 232, 0.14);
  transition: flex 720ms cubic-bezier(0.2, 0.78, 0.2, 1);
}

.portfolio-door-literature {
  background:
    radial-gradient(ellipse 165% 68% at 20% 112%, transparent 0 43%, rgba(184, 230, 83, 0.11) 43.3% 43.8%, transparent 44.1%),
    radial-gradient(ellipse 165% 68% at 20% 112%, transparent 0 55%, rgba(239, 238, 232, 0.065) 55.3% 55.7%, transparent 56%),
    radial-gradient(ellipse 135% 58% at 86% -5%, transparent 0 46%, rgba(239, 238, 232, 0.075) 46.3% 46.8%, transparent 47.1%),
    radial-gradient(ellipse 135% 58% at 86% -5%, transparent 0 60%, rgba(184, 230, 83, 0.075) 60.3% 60.7%, transparent 61%),
    radial-gradient(ellipse 92% 42% at 50% 56%, transparent 0 65%, rgba(239, 238, 232, 0.04) 65.4% 66%, transparent 66.4%),
    linear-gradient(160deg, rgba(184, 230, 83, 0.025), transparent 42%);
}

.portfolio-door-finance {
  background:
    linear-gradient(154deg, transparent 0 40%, rgba(184, 230, 83, 0.12) 40.35% 40.8%, transparent 41.15% 100%) 0 34% / 146px 180px repeat-x,
    linear-gradient(26deg, transparent 0 46%, rgba(184, 230, 83, 0.085) 46.35% 46.75%, transparent 47.1% 100%) 73px 34% / 146px 180px repeat-x,
    repeating-linear-gradient(90deg, transparent 0 35px, rgba(239, 238, 232, 0.045) 35.5px 36px),
    repeating-linear-gradient(0deg, transparent 0 54px, rgba(239, 238, 232, 0.038) 54.5px 55px),
    linear-gradient(90deg, transparent 0 18%, rgba(239, 238, 232, 0.075) 18.2% 18.5%, transparent 18.7% 72%, rgba(184, 230, 83, 0.08) 72.2% 72.5%, transparent 72.7%),
    linear-gradient(180deg, rgba(184, 230, 83, 0.025), transparent 38%);
}

.portfolio-door-agents {
  background:
    radial-gradient(circle, rgba(184, 230, 83, 0.13) 0 1px, transparent 1.8px) 0 0 / 76px 76px,
    linear-gradient(135deg, transparent 0 47%, rgba(184, 230, 83, 0.095) 47.5% 48%, transparent 48.5% 100%) 0 0 / 76px 76px,
    linear-gradient(45deg, transparent 0 47%, rgba(239, 238, 232, 0.06) 47.5% 48%, transparent 48.5% 100%) 38px 38px / 76px 76px;
}

.portfolio-door::before,
.portfolio-door::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 450ms ease, transform 900ms ease;
}

.portfolio-door::before {
  z-index: -2;
  background-position: center 42%;
  background-size: cover;
  filter: grayscale(0.7) saturate(0.72) contrast(1.08) brightness(0.82);
  transform: scale(1.035);
}

.portfolio-door::after {
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 9, 8, 0.38), rgba(7, 9, 8, 0.1) 36%, rgba(7, 9, 8, 0.94)),
    linear-gradient(90deg, rgba(7, 9, 8, 0.5), rgba(7, 9, 8, 0.05));
}

.portfolio-door-literature::before { background-image: url("gallery/panel-literature-v3.png"); background-position: center 44%; }
.portfolio-door-finance::before { background-image: url("gallery/panel-industry-v3.png"); }
.portfolio-door-agents::before { background-image: url("gallery/panel-agents-v3.png"); }

.portfolio-doors:hover .portfolio-door,
.portfolio-doors:focus-within .portfolio-door { flex: 1 1 0; }

.portfolio-doors .portfolio-door:hover,
.portfolio-doors .portfolio-door:focus-visible {
  flex: 8 1 0;
  outline: none;
}

.portfolio-door:hover::before,
.portfolio-door:hover::after,
.portfolio-door:focus-visible::before,
.portfolio-door:focus-visible::after {
  opacity: 1;
  transform: scale(1);
}

.portfolio-door-number {
  position: absolute;
  top: 135px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--acid);
  font: 9px Consolas, "SFMono-Regular", monospace;
  letter-spacing: 0.13em;
}

.portfolio-door-cue {
  position: absolute;
  z-index: 3;
  top: 43%;
  left: 50%;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(239, 238, 232, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  color: var(--acid);
  background: rgba(8, 10, 9, 0.36);
  font: 15px/1 Consolas, "SFMono-Regular", monospace;
  box-shadow:
    0 0 0 0 rgba(184, 230, 83, 0.12),
    inset 0 0 18px rgba(184, 230, 83, 0.03);
  animation: portfolioDoorCue 2.4s ease-in-out infinite;
  transition: opacity 220ms ease, transform 420ms ease;
}

.portfolio-door:nth-of-type(2) .portfolio-door-cue { animation-delay: -0.8s; }
.portfolio-door:nth-of-type(3) .portfolio-door-cue { animation-delay: -1.6s; }

@keyframes portfolioDoorCue {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.96);
    border-color: rgba(239, 238, 232, 0.17);
    box-shadow: 0 0 0 0 rgba(184, 230, 83, 0.12);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.04);
    border-color: rgba(184, 230, 83, 0.5);
    box-shadow: 0 0 0 8px rgba(184, 230, 83, 0);
  }
}

.portfolio-door-label {
  position: absolute;
  left: 1.2vw;
  right: 1.2vw;
  bottom: 7.5vh;
  display: grid;
  gap: 8px;
  text-align: center;
  white-space: nowrap;
  transition: opacity 260ms ease, transform 420ms ease;
}

.portfolio-door-label strong {
  font: 400 clamp(15px, 1.25vw, 21px) Georgia, "Noto Serif SC", "Songti SC", serif;
  letter-spacing: 0.08em;
}

.portfolio-door-label small {
  color: rgba(239, 238, 232, 0.45);
  font: 7px/1.4 Consolas, "SFMono-Regular", monospace;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.portfolio-door:hover .portfolio-door-label,
.portfolio-door:focus-visible .portfolio-door-label,
.portfolio-door:hover .portfolio-door-cue,
.portfolio-door:focus-visible .portfolio-door-cue {
  opacity: 0;
}

.portfolio-door:hover .portfolio-door-label,
.portfolio-door:focus-visible .portfolio-door-label {
  transform: translateY(20px);
}

.portfolio-door:hover .portfolio-door-cue,
.portfolio-door:focus-visible .portfolio-door-cue {
  transform: translate(-50%, -50%) scale(0.72);
}

.portfolio-door-reveal {
  position: absolute;
  inset: auto 2.25vw 6.6vh;
  min-width: 410px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 280ms ease 150ms, transform 520ms cubic-bezier(0.2, 0.8, 0.2, 1) 110ms;
}

.portfolio-door:hover .portfolio-door-reveal,
.portfolio-door:focus-visible .portfolio-door-reveal {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-door-reveal > p {
  margin: 0 0 14px;
  color: var(--acid);
  font: 8px/1.4 Consolas, "SFMono-Regular", monospace;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.portfolio-door-reveal h2 {
  margin: 0 0 17px;
  font: 400 clamp(36px, 3.2vw, 58px) Georgia, "Noto Serif SC", "Songti SC", serif;
  letter-spacing: -0.05em;
}

.portfolio-door-reveal h2 small {
  display: block;
  margin-top: 8px;
  color: rgba(239, 238, 232, 0.52);
  font: 8px/1.3 Consolas, "SFMono-Regular", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.portfolio-door-categories {
  display: flex;
  gap: 17px;
  margin-bottom: 23px;
  color: #efeee8;
  font: 9px/1.4 Consolas, "SFMono-Regular", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portfolio-door-categories span {
  padding-right: 17px;
  border-right: 1px solid rgba(239, 238, 232, 0.27);
  white-space: nowrap;
}

.portfolio-door-categories span:last-child {
  padding-right: 0;
  border-right: 0;
}

.portfolio-door-categories small {
  display: block;
  margin-top: 5px;
  color: rgba(239, 238, 232, 0.48);
  font-size: 6px;
  letter-spacing: 0.06em;
}

.portfolio-door-reveal blockquote {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid rgba(239, 238, 232, 0.46);
  font: 400 clamp(15px, 1.3vw, 21px)/1.8 Georgia, "Noto Serif SC", "Songti SC", serif;
}

.portfolio-door-reveal blockquote small {
  display: block;
  margin-top: 10px;
  color: rgba(239, 238, 232, 0.62);
  font: 8px/1.55 Consolas, "SFMono-Regular", monospace;
  letter-spacing: 0.04em;
}

#literature,
#finance,
#agents { scroll-margin-top: 22px; }

@media (max-width: 900px) {
  .portfolio-hero { display: block; }
  .portfolio-intro { min-height: 58svh; }
  .portfolio-doors { min-height: 42svh; border-top: 1px solid rgba(239, 238, 232, 0.14); }
  .portfolio-doors::before { top: 0; }
  .portfolio-doors-title { top: 18px; }
  .portfolio-door-number { top: 48px; }
  .portfolio-door-cue { top: 40%; width: 32px; height: 32px; font-size: 13px; }
  .portfolio-door-label { bottom: 28px; }
  .portfolio-doors .portfolio-door:hover,
  .portfolio-doors .portfolio-door:focus-visible { flex: 6 1 0; }
  .portfolio-door-reveal { inset: auto 20px 28px; min-width: 280px; }
  .portfolio-door-reveal blockquote { font-size: 14px; }
}

@media (max-width: 620px) {
  .portfolio-intro { min-height: 53svh; }
  .portfolio-intro-title { left: 22px; top: 92px; right: 22px; }
  .portfolio-portrait figcaption { left: 22px; right: 22px; bottom: 46px; }
  .portfolio-portrait blockquote { padding-left: 20px; font-size: 22px; }
  .portfolio-doors { min-height: 47svh; }
  .portfolio-door-reveal { min-width: 230px; }
  .portfolio-door-categories { gap: 9px; }
  .portfolio-door-categories span { padding-right: 9px; }
}

@media (hover: none) {
  .portfolio-door::before { opacity: 0.13; }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-portrait,
  .portfolio-portrait figcaption,
  .portfolio-portrait-image { animation: none; }
  .portfolio-door-cue { animation: none; }
  .portfolio-portrait { opacity: 0; }
  .portfolio-portrait:first-child { opacity: 1; }
}