/* =====================================================
   2D / 3D PORTFOLIO SELECTION
   Purple manga interlude between the surrounding black sections.
   Panel interiors intentionally remain blank for future artwork.
   ===================================================== */

.portfolio-choice-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: rgb(var(--theme-bg-rgb));
}

.portfolio-choice-reveal-wipe {
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  background: rgb(var(--theme-bg-rgb));
  border: 0;
  outline: 0;
  box-shadow: -3px 0 0 rgb(var(--theme-bg-rgb));
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  will-change: transform;
}

.portfolio-choice-frame.is-revealed > .portfolio-choice-reveal-wipe {
  animation: portfolio-background-reveal 620ms cubic-bezier(0.76, 0, 0.24, 1) both;
}

@keyframes portfolio-background-reveal {
  to {
    transform: translate3d(calc(100% + 4px), 0, 0);
  }
}

.portfolio-choice-section {
  position: relative;
  isolation: isolate;
  min-height: 0;
  padding: clamp(84px, 5.8vw, 96px) 0 clamp(90px, 6.2vw, 102px);
  overflow: hidden;
  background:
    radial-gradient(
      ellipse 50% 38% at 50% 34%,
      rgb(var(--theme-primary-rgb) / 0.68),
      transparent 66%
    ),
    radial-gradient(
      ellipse 80% 82% at 50% 48%,
      rgb(var(--theme-primary-rgb) / 0.28),
      transparent 72%
    ),
    linear-gradient(
      135deg,
      rgb(var(--theme-primary-rgb) / 0.72) 0%,
      rgb(var(--theme-primary-rgb) / 0.9) 38%,
      rgb(var(--theme-primary-rgb)) 58%,
      rgb(var(--theme-primary-rgb) / 0.82) 100%
    );
  /* The edited transparent WebP clips the complete purple section. */
  -webkit-mask: url("/Assets/portfolio-section-mask.webp") center / 100% 100%
    no-repeat;
  mask: url("/Assets/portfolio-section-mask.webp") center / 100% 100% no-repeat;
}

/* Dark halftone field. */
.portfolio-choice-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: radial-gradient(
    circle,
    rgb(var(--theme-bg-deep-rgb) / 0.34) 0 1px,
    transparent 1.2px
  );
  background-size: 8px 8px;
  opacity: 0.58;
}

.choice-shell {
  position: relative;
  z-index: 2;
  width: min(1200px, 90vw);
  margin: 0 auto;
}

/* -----------------------------------------------------
   Heading
   ----------------------------------------------------- */

.choice-header {
  width: min(1040px, 100%);
  margin: 0 auto clamp(36px, 3.5vw, 46px);
  text-align: center;
}

.choice-title {
  margin: 0;
  font-family: var(--font-bebas-neue);
  font-size: clamp(3.4rem, 5.8vw, 5.6rem);
  font-weight: 300;
  font-synthesis: weight;
  font-style: italic;
  letter-spacing: 0;
  line-height: 0.86;
  color: rgb(var(--theme-paper-rgb));
  text-transform: uppercase;
  text-wrap: balance;
  text-shadow:
    3px 4px 0 rgb(var(--theme-surface-raised-rgb)),
    7px 8px 0 rgb(var(--theme-surface-raised-rgb) / 0.42),
    0 0 32px rgb(var(--theme-text-rgb) / 0.14);
}

/* -----------------------------------------------------
   Two blank manga pages
   ----------------------------------------------------- */

.choice-container {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: clamp(36px, 4.2vw, 64px);
  width: 100%;
}

.choice-card {
  --card-rotation: 0deg;
  --panel-shape: polygon(
    2% 2%,
    18% 0.5%,
    34% 2%,
    50% 0.6%,
    66% 2.1%,
    82% 0.7%,
    98% 3%,
    99% 18%,
    98% 36%,
    99.4% 53%,
    98% 70%,
    99% 87%,
    97% 99%,
    81% 97.6%,
    65% 99.2%,
    49% 97.7%,
    33% 99%,
    17% 97.5%,
    2% 99%,
    1% 84%,
    2.2% 67%,
    0.6% 50%,
    2% 33%,
    0.7% 16%
  );
  position: relative;
  display: block;
  aspect-ratio: 1.25 / 1;
  min-height: 400px;
  overflow: hidden;
  color: rgb(var(--theme-surface-raised-rgb));
  text-decoration: none;
  background: rgb(var(--theme-surface-raised-rgb));
  clip-path: var(--panel-shape);
  filter: drop-shadow(0 22px 0 rgb(var(--theme-surface-raised-rgb) / 0.45))
    drop-shadow(0 32px 28px rgb(var(--theme-surface-raised-rgb) / 0.42));
  transform: rotate(var(--card-rotation));
  transform-origin: center;
  opacity: 1;
  cursor: pointer;
  transition:
    transform 300ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 260ms ease;
}

/* Both pages lean toward the central OR burst. */
.choice-card--2d {
  --card-rotation: 2.4deg;
}

.choice-card--3d {
  --card-rotation: -2.4deg;
  background: rgb(var(--theme-paper-rgb));
  --panel-shape: polygon(
    1% 3%,
    17% 1%,
    33% 2.5%,
    49% 0.7%,
    65% 2.1%,
    81% 0.5%,
    99% 2%,
    98% 17%,
    99.4% 34%,
    98% 51%,
    99% 68%,
    97.8% 85%,
    99% 98%,
    83% 99.2%,
    67% 97.6%,
    51% 99%,
    35% 97.5%,
    19% 99.2%,
    2% 97%,
    1% 82%,
    2.1% 65%,
    0.6% 48%,
    2% 31%,
    0.8% 15%
  );
}

.choice-card__paper {
  position: absolute;
  inset: clamp(7px, 0.7vw, 11px);
  display: block;
  overflow: hidden;
  clip-path: var(--panel-shape);
  background:
    radial-gradient(circle, rgb(var(--theme-surface-raised-rgb) / 0.17) 0 0.9px, transparent 1.1px) 0
      0 / 7px 7px,
    linear-gradient(132deg, rgb(var(--theme-primary-rgb) / 0.08), transparent 38%),
    rgb(var(--theme-paper-rgb));
}

.choice-card__artwork {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% center;
  filter: contrast(1.04);
  transition: transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
}

.choice-card--3d .choice-card__artwork {
  object-position: 50% 46%;
}

.choice-card__paper::before {
  content: "";
  position: absolute;
  inset: clamp(14px, 1.3vw, 22px);
  border: 2px solid rgb(var(--theme-surface-raised-rgb) / 0.86);
  clip-path: polygon(0 2%, 100% 0, 98.8% 100%, 1.4% 98.5%);
  opacity: 0.76;
  transition:
    inset 260ms ease,
    border-color 260ms ease;
}

.choice-card__paper::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      112deg,
      transparent 0 72%,
      rgb(var(--theme-surface-raised-rgb) / 0.08) 72.2% 72.5%,
      transparent 72.8%
    ),
    repeating-linear-gradient(
      9deg,
      transparent 0 30px,
      rgb(var(--theme-surface-raised-rgb) / 0.035) 31px,
      transparent 32px 61px
    );
  opacity: 0.5;
  mix-blend-mode: multiply;
}

.choice-card--3d .choice-card__paper {
  background:
    radial-gradient(
        circle,
        rgb(var(--theme-primary-rgb) / 0.23) 0 0.9px,
        transparent 1.1px
      )
      0 0 / 8px 8px,
    linear-gradient(140deg, rgb(var(--theme-primary-rgb) / 0.18), transparent 40%),
    rgb(var(--theme-surface-raised-rgb));
}

.choice-card--3d .choice-card__paper::before {
  border-color: rgb(var(--theme-paper-rgb) / 0.76);
}

.choice-card--3d .choice-card__paper::after {
  background:
    linear-gradient(
      67deg,
      transparent 0 25%,
      rgb(var(--theme-primary-rgb) / 0.1) 25.2% 25.5%,
      transparent 25.8%
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0 44px,
      rgb(var(--theme-primary-rgb) / 0.045) 45px,
      transparent 46px 90px
    );
  mix-blend-mode: screen;
}

.choice-card__label {
  position: absolute;
  left: 82%;
  bottom: clamp(30px, 2.8vw, 44px);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  width: max-content;
  transform: translateX(-50%) rotate(calc(var(--card-rotation) * -1));
  transform-origin: center bottom;
  text-align: right;
  text-transform: uppercase;
  pointer-events: none;
}

.choice-card__hero {
  font-family: var(--font-bangers);
  font-size: clamp(5rem, 7vw, 7rem);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 0.68;
  color: rgb(var(--theme-primary-rgb));
  -webkit-text-stroke: 1px rgb(var(--theme-surface-raised-rgb));
  text-shadow:
    2px 2px 0 rgb(var(--theme-paper-rgb)),
    5px 5px 0 rgb(var(--theme-surface-raised-rgb)),
    9px 9px 0 rgb(var(--theme-primary-rgb) / 0.25);
  transition:
    color 260ms ease,
    text-shadow 260ms ease;
}

.choice-card__name {
  margin-top: clamp(13px, 1.45vw, 19px);
  padding: 0.13em 0.3em 0.1em;
  font-family: var(--font-bangers);
  font-size: clamp(1.65rem, 2.3vw, 2.4rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1;
  color: rgb(var(--theme-surface-raised-rgb));
  border-block: 2px solid currentColor;
}

.choice-card--2d .choice-card__label,
.choice-card--3d .choice-card__label {
  isolation: isolate;
  min-width: clamp(170px, 14vw, 220px);
  padding: clamp(18px, 1.5vw, 24px) clamp(22px, 2vw, 32px)
    clamp(14px, 1.2vw, 20px) clamp(48px, 4vw, 64px);
}

.choice-card--2d .choice-card__label::before,
.choice-card--3d .choice-card__label::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgb(var(--theme-bg-rgb));
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 20% 100%, 0 50%);
  filter: drop-shadow(5px 6px 0 rgb(var(--theme-primary-rgb) / 0.5));
}

.choice-card--3d .choice-card__label {
  left: 18%;
  bottom: clamp(28px, 2.8vw, 44px);
  align-items: center;
  min-width: clamp(175px, 13vw, 205px);
  padding: clamp(16px, 1.35vw, 22px) clamp(48px, 3.8vw, 60px)
    clamp(13px, 1.1vw, 18px) clamp(18px, 1.5vw, 24px);
  text-align: center;
}

.choice-card--3d .choice-card__label::before {
  background: rgb(var(--theme-paper-rgb));
  clip-path: polygon(0 0, 68% 0, 100% 66%, 72% 100%, 0 100%);
}

.choice-card--2d .choice-card__name {
  color: rgb(var(--theme-paper-rgb));
}

.choice-card--3d .choice-card__hero {
  color: rgb(var(--theme-primary-rgb));
  -webkit-text-stroke-color: rgb(var(--theme-surface-raised-rgb));
  text-shadow: 2px 2px 0 rgb(var(--theme-ink-rgb));
}

.choice-card--3d .choice-card__name {
  color: rgb(var(--theme-ink-rgb));
}

/* -----------------------------------------------------
   Bottom anchor
   ----------------------------------------------------- */

.choice-footer {
  display: grid;
  grid-template-columns: minmax(34px, 1fr) auto minmax(34px, 1fr);
  align-items: center;
  gap: 0;
  width: min(600px, 78vw);
  margin: clamp(40px, 4vw, 58px) auto 0;
}

.choice-footer > span {
  height: 1px;
  background: rgb(var(--theme-paper-rgb) / 0.72);
}

.choice-footer p {
  margin: 0;
  padding: 11px clamp(24px, 2.5vw, 38px) 9px;
  font-family: var(--font-rajdhani);
  font-size: clamp(0.68rem, 0.85vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 0.3em;
  color: rgb(var(--theme-paper-rgb));
  background: rgb(var(--theme-surface-raised-rgb));
  border: 1px solid rgb(var(--theme-paper-rgb) / 0.82);
  clip-path: polygon(6% 0, 94% 0, 100% 50%, 94% 100%, 6% 100%, 0 50%);
  text-transform: uppercase;
  white-space: nowrap;
}

/* Content remains visible without JavaScript; motion is enhancement only. */
.portfolio-choice-section.start-animation .choice-header {
  animation: choiceHeaderIn 480ms cubic-bezier(0.16, 1, 0.3, 1) 660ms backwards;
}

.portfolio-choice-section.start-animation .choice-card--2d {
  animation: choicePanelIn 560ms cubic-bezier(0.16, 1, 0.3, 1) 1180ms backwards;
}

.portfolio-choice-section.start-animation .choice-card--3d {
  animation: choicePanelIn 560ms cubic-bezier(0.16, 1, 0.3, 1) 1780ms backwards;
}

.portfolio-choice-section.start-animation .choice-footer {
  animation: choiceFooterIn 480ms cubic-bezier(0.16, 1, 0.3, 1) 2380ms backwards;
}

@keyframes choiceHeaderIn {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
}

@keyframes choicePanelIn {
  from {
    opacity: 0;
    transform: translateY(34px) rotate(var(--card-rotation));
  }
}

@keyframes choiceFooterIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
}

@media (hover: hover) and (pointer: fine) {
  .choice-card:hover,
  .choice-card:focus-visible {
    z-index: 4;
    transform: translateY(-9px) rotate(var(--card-rotation));
    filter: drop-shadow(0 25px 0 rgb(var(--theme-surface-raised-rgb) / 0.5))
      drop-shadow(0 38px 30px rgb(var(--theme-surface-raised-rgb) / 0.5));
  }

  .choice-card:hover .choice-card__paper::before,
  .choice-card:focus-visible .choice-card__paper::before {
    inset: clamp(11px, 1vw, 17px);
    border-color: rgb(var(--theme-primary-rgb));
  }

  .choice-card:hover .choice-card__artwork,
  .choice-card:focus-visible .choice-card__artwork {
    transform: scale(1.025);
  }

  .choice-card:hover .choice-card__hero,
  .choice-card:focus-visible .choice-card__hero {
    color: rgb(var(--theme-primary-rgb));
  }
}

.choice-card:focus-visible {
  outline: 3px solid rgb(var(--theme-paper-rgb));
  outline-offset: 7px;
}

/* -----------------------------------------------------
   Responsive stack
   ----------------------------------------------------- */

@media (max-width: 960px) {
  .portfolio-choice-section {
    padding-block: clamp(90px, 15vw, 120px);
    -webkit-mask-size: cover;
    mask-size: cover;
  }

  .choice-shell {
    width: min(620px, 86vw);
  }

  .choice-header {
    margin-bottom: clamp(34px, 6.5vw, 48px);
  }

  .choice-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .choice-card {
    width: 100%;
    min-height: 0;
    aspect-ratio: 1.42 / 1;
  }

  .choice-card--2d {
    --card-rotation: 1.25deg;
  }

  .choice-card--3d {
    --card-rotation: -1.25deg;
  }

  .choice-card__label {
    left: 78%;
    bottom: clamp(24px, 5vw, 38px);
  }

  .choice-card__hero {
    font-size: clamp(4.7rem, 16vw, 6.8rem);
  }

  .choice-card__name {
    font-size: clamp(1.55rem, 5vw, 2.25rem);
  }
}

@media (max-width: 560px) {
  .portfolio-choice-section {
    padding: 110px 0 72px;
  }

  .choice-shell {
    width: 92vw;
  }

  .choice-title {
    font-size: clamp(1.65rem, 6.8vw, 2rem);
    line-height: 0.9;
  }

  .choice-title > span {
    -webkit-text-stroke-width: 0.75px;
  }

  .choice-card {
    aspect-ratio: 1.55 / 1;
  }

  .choice-card__label {
    left: 68%;
  }

  .choice-card--2d .choice-card__label {
    left: 56%;
    min-width: 160px;
    padding: 14px 18px 12px 42px;
  }

  .choice-card--3d .choice-card__label {
    left: 20%;
    bottom: 18px;
    min-width: 150px;
    padding: 12px 36px 10px 14px;
  }

  .choice-card--3d .choice-card__artwork {
    object-fit: contain;
    object-position: center;
  }

  .choice-card__paper {
    inset: 5px;
  }

  .choice-card__paper::before {
    inset: 11px;
    border-width: 1px;
  }

  .choice-footer {
    width: 88%;
  }

  .choice-footer p {
    padding-inline: 20px;
    font-size: 0.61rem;
    letter-spacing: 0.2em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-choice-reveal-wipe {
    display: none;
  }

  .portfolio-choice-section.start-animation .choice-header,
  .portfolio-choice-section.start-animation .choice-card,
  .portfolio-choice-section.start-animation .choice-footer {
    animation: none;
  }

  .choice-card {
    transition: none;
  }

  .choice-card:hover,
  .choice-card:focus-visible {
    transform: rotate(var(--card-rotation));
  }
}