:root {
  --bg-main: #030d22;
  --card-radius: 16px;
  --card-width: clamp(180px, 20vw, 260px);
  --focus-ring: #9dc2ff;
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  display: grid;
  place-items: center;
  font-family: "Segoe UI", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  color: #f1f5ff;
  background:
    radial-gradient(1000px 700px at 14% -6%, rgba(18, 51, 99, 0.42), transparent 72%),
    radial-gradient(820px 620px at 90% 118%, rgba(15, 42, 81, 0.44), transparent 72%),
    linear-gradient(180deg, #04122d 0%, var(--bg-main) 60%, #020919 100%);
}

body.is-focus-open {
  overflow: hidden;
}

.component-shell {
  width: min(calc(100vw - 28px), 1120px);
  height: min(calc(100dvh - 28px), 780px);
  display: grid;
  place-items: center;
}

.fan-gallery {
  --fan-scale: 1;
  --fan-spread: 1;
  --fan-shift-y: -12px;
  position: relative;
  width: min(92vw, 980px);
  height: clamp(360px, 54vh, 520px);
  isolation: isolate;
  perspective: 1200px;
  transform: translateY(var(--fan-shift-y));
}

.gallery-card {
  --x: 0;
  --y: 0;
  --r: 0;
  --z: 1;
  --lift: 0px;
  --hover-scale: 1;
  --hover-z: 0;
  --tilt-x: 0;
  --tilt-y: 0;
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--card-width);
  aspect-ratio: 2 / 3;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: var(--card-radius);
  overflow: hidden;
  cursor: pointer;
  background: #0a1736;
  box-shadow:
    0 14px 28px rgba(0, 0, 0, 0.3),
    0 4px 14px rgba(0, 0, 0, 0.26);
  z-index: calc(var(--z) + var(--hover-z));
  transform:
    translate3d(
      calc(-50% + (var(--x) * var(--fan-scale) * var(--fan-spread) * 1px)),
      calc(-50% + (var(--y) * var(--fan-scale) * 1px) + var(--lift)),
      0
    )
    rotate(calc(var(--r) * 1deg))
    rotateX(calc(var(--tilt-x) * 1deg))
    rotateY(calc(var(--tilt-y) * 1deg))
    scale(var(--hover-scale));
  transition:
    transform 320ms var(--ease-premium),
    box-shadow 260ms ease;
  transform-origin: 50% 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.gallery-card::after {
  content: "";
  position: absolute;
  inset: -20%;
  pointer-events: none;
  background: linear-gradient(
    116deg,
    rgba(255, 255, 255, 0) 32%,
    rgba(255, 255, 255, 0.18) 48%,
    rgba(255, 255, 255, 0.06) 56%,
    rgba(255, 255, 255, 0) 68%
  );
  opacity: 0;
  transform: translateX(-56%) translateY(-6%) rotate(14deg);
  transition:
    transform 640ms var(--ease-premium),
    opacity 260ms ease;
}

.gallery-card:hover {
  --lift: -26px;
  --hover-scale: 1.02;
  --hover-z: 0;
  box-shadow:
    0 24px 52px rgba(0, 0, 0, 0.38),
    0 8px 22px rgba(0, 0, 0, 0.34);
}

.gallery-card:hover::after,
.gallery-card:focus-visible::after {
  opacity: 1;
  transform: translateX(56%) translateY(6%) rotate(14deg);
}

.gallery-card:focus-visible {
  --hover-z: 100;
  outline: 2px solid var(--focus-ring);
  outline-offset: 4px;
  box-shadow:
    0 0 0 6px rgba(87, 127, 204, 0.22),
    0 20px 44px rgba(0, 0, 0, 0.35);
}

.gallery-card.is-source-active {
  opacity: 0;
  pointer-events: none;
}

.card-picture {
  display: block;
  width: 100%;
  height: 100%;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  image-rendering: auto;
}

.card-meta {
  position: absolute;
  inset: auto 0 0;
  display: grid;
  gap: 4px;
  padding: 16px 14px 14px;
  background: linear-gradient(180deg, rgba(2, 10, 24, 0) 0%, rgba(2, 10, 24, 0.88) 62%, rgba(2, 10, 24, 0.96) 100%);
  text-align: left;
}

.card-title {
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  line-height: 1.2;
  font-weight: 650;
  color: #f7f9ff;
  letter-spacing: 0.01em;
}

.card-subtitle {
  font-size: clamp(0.73rem, 0.9vw, 0.8rem);
  line-height: 1.2;
  color: rgba(220, 228, 248, 0.9);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.focus-layer {
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
}

.focus-layer[aria-hidden="false"] {
  pointer-events: auto;
}

.focus-backdrop {
  position: absolute;
  inset: 0;
  margin: 0;
  border: 0;
  padding: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  opacity: 0;
  transition: opacity 180ms ease;
}

.focus-layer[aria-hidden="false"] .focus-backdrop {
  opacity: 0;
}

.focus-close {
  position: absolute;
  right: max(14px, calc(env(safe-area-inset-right) + 10px));
  top: max(14px, calc(env(safe-area-inset-top) + 10px));
  border: 1px solid rgba(172, 194, 255, 0.35);
  border-radius: 999px;
  padding: 8px 14px;
  background: rgba(4, 18, 44, 0.75);
  color: #eaf0ff;
  font: inherit;
  font-size: 0.86rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  opacity: 0;
  transform: translateY(-8px);
  transition:
    opacity 220ms ease,
    transform 220ms ease,
    border-color 220ms ease,
    background-color 220ms ease;
}

.focus-layer[aria-hidden="false"] .focus-close {
  opacity: 1;
  transform: translateY(0);
}

.focus-close:hover {
  border-color: rgba(201, 216, 255, 0.56);
  background: rgba(9, 29, 66, 0.82);
}

.focus-close:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.focus-card {
  position: fixed;
  left: 0;
  top: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.52),
    0 14px 36px rgba(0, 0, 0, 0.42);
  pointer-events: none;
  transform-origin: center center;
  will-change: transform;
  z-index: 85;
}

.focus-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: center center;
  background: #020814;
}

.focus-card .card-meta {
  padding: 18px 16px 16px;
}

.focus-card .card-title {
  font-size: clamp(1rem, 1.2vw, 1.2rem);
}

.focus-card .card-subtitle {
  font-size: clamp(0.76rem, 0.88vw, 0.86rem);
}

@media (max-width: 1040px) {
  .fan-gallery {
    --fan-scale: 0.84;
  }

  .gallery-card {
    --card-width: clamp(160px, 23vw, 226px);
  }
}

@media (max-width: 760px) {
  .component-shell {
    width: min(calc(100vw - 16px), 760px);
    height: min(calc(100dvh - 16px), 700px);
  }

  .fan-gallery {
    --fan-scale: 0.63;
    --fan-spread: 0.76;
    --fan-shift-y: -8px;
    width: min(94vw, 760px);
    height: clamp(340px, 52dvh, 460px);
  }

  .gallery-card {
    --card-width: clamp(140px, 30vw, 176px);
  }
}

@media (max-width: 430px) {
  .fan-gallery {
    --fan-scale: 0.52;
    --fan-spread: 0.64;
    --fan-shift-y: -6px;
  }

  .gallery-card {
    --card-width: clamp(132px, 35.5vw, 164px);
  }

}

@media (prefers-reduced-motion: reduce) {
  .gallery-card,
  .gallery-card::after,
  .focus-backdrop,
  .focus-close {
    transition-duration: 80ms;
  }
}