:root {
  color-scheme: dark;
  --lane: #d8ad35;
  --lane-rgb: 216, 173, 53;
  --ink: #f6f2e7;
  --black: #050505;
  --font: "Barlow Condensed", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--black); scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--black);
  color: var(--ink);
  font-family: var(--font);
  overflow-x: hidden;
}
a { color: inherit; }

.deck-skip {
  position: fixed;
  z-index: 100;
  top: -80px;
  left: 12px;
  padding: 12px 16px;
  background: #fff;
  color: #000;
}
.deck-skip:focus { top: 12px; }

.deck-nav {
  position: fixed;
  z-index: 40;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(13px, env(safe-area-inset-top)) clamp(16px, 4vw, 64px) 12px;
  background: linear-gradient(#020304f0 0%, #020304a4 48%, transparent 100%);
  pointer-events: none;
}
.deck-nav a { pointer-events: auto; }
.deck-home {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-decoration: none;
  text-transform: uppercase;
}
.deck-home img { width: 46px; height: 46px; object-fit: contain; }
.deck-download {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 19px;
  border: 1px solid rgba(var(--lane-rgb), .58);
  border-radius: 999px;
  background: rgba(4, 7, 9, .7);
  color: var(--lane);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .17em;
  text-decoration: none;
  text-transform: uppercase;
  backdrop-filter: blur(14px);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.deck-download:hover,
.deck-download:focus-visible {
  background: var(--lane);
  color: #030303;
  transform: translateY(-2px);
}

.deck-story { position: relative; isolation: isolate; }
.deck-scene {
  --scene-opacity: 0;
  --wash-opacity: 0;
  --wash-y: 0vh;
  --frame-x: 0vw;
  --frame-y: 0vh;
  --frame-scale: 1;
  --frame-rotate: 0deg;
  --base-opacity: .2;
  --base-scale: 1.06;
  --base-blur: 5px;
  --slice-opacity: 0;
  --slice-top-x: 0%;
  --slice-mid-x: 0%;
  --slice-bottom-x: 0%;
  --slice-top-y: 0%;
  --slice-mid-y: 0%;
  --slice-bottom-y: 0%;
  --wipe: 100%;
  --iris: 0%;
  --sharp-opacity: 0;
  --sharp-scale: 1.15;
  --portal-opacity: 0;
  --portal-scale: .4;
  --portal-rotate: 0deg;
  --streak-x: -130vw;
  --streak-opacity: 0;
  --edge-opacity: 0;
  --edge-x: 0px;
  --moment-cover: 100%;
  --moment-line: 4%;
  --moment-glow: 0;
  --moment-saturation: .2;
  --moment-brightness: .58;
  position: relative;
  min-height: 188svh;
  background: #050505;
}
.deck-scene::before,
.deck-scene::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.deck-scene::before {
  z-index: -3;
  background:
    radial-gradient(circle at 50% 43%, rgba(var(--lane-rgb), .16), transparent 34%),
    linear-gradient(180deg, rgba(var(--lane-rgb), .035), #050505 28%, #050505 74%, rgba(var(--lane-rgb), .045));
}
.deck-scene::after {
  z-index: 3;
  background: linear-gradient(180deg, #050505 0%, transparent 14%, transparent 84%, #050505 100%);
}

.deck-stage {
  position: sticky;
  top: 0;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: max(88px, 9svh) clamp(26px, 8vw, 150px) max(68px, 7svh);
}

.deck-wash {
  position: absolute;
  z-index: -2;
  inset: -12%;
  width: 124%;
  height: 124%;
  object-fit: cover;
  opacity: var(--wash-opacity);
  filter: blur(84px) saturate(1.32) contrast(1.06);
  transform: translate3d(0, var(--wash-y), 0) scale(1.16);
  will-change: transform, opacity;
}

.deck-portal {
  position: absolute;
  z-index: -1;
  width: min(66vw, 900px);
  aspect-ratio: 1;
  border: 1px solid rgba(var(--lane-rgb), .42);
  border-radius: 50%;
  opacity: var(--portal-opacity);
  transform: scale(var(--portal-scale)) rotate(var(--portal-rotate));
  box-shadow:
    0 0 0 12px rgba(var(--lane-rgb), .025),
    0 0 130px rgba(var(--lane-rgb), .13),
    inset 0 0 100px rgba(var(--lane-rgb), .08);
  will-change: transform, opacity;
}
.deck-portal::before,
.deck-portal::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px dashed rgba(var(--lane-rgb), .32);
  border-radius: 43% 57% 61% 39% / 48% 39% 61% 52%;
}
.deck-portal::after {
  inset: 28%;
  border-style: solid;
  border-color: rgba(255, 255, 255, .13);
  border-radius: 62% 38% 46% 54% / 39% 61% 39% 61%;
}

.deck-streak {
  position: absolute;
  z-index: 1;
  top: var(--streak-y);
  left: 50%;
  width: min(72vw, 980px);
  height: 1px;
  opacity: var(--streak-opacity);
  background: linear-gradient(90deg, transparent, var(--lane) 22%, #fff 50%, var(--lane) 78%, transparent);
  box-shadow: 0 0 20px rgba(var(--lane-rgb), .66);
  transform: translate3d(var(--streak-x), 0, 0) rotate(-8deg);
  will-change: transform, opacity;
}

.deck-frame {
  position: relative;
  z-index: 2;
  width: auto;
  height: min(84svh, 960px);
  aspect-ratio: 9 / 16;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(var(--lane-rgb), .38);
  background: #000;
  box-shadow:
    0 52px 150px rgba(0, 0, 0, .82),
    0 0 90px rgba(var(--lane-rgb), .1);
  opacity: var(--scene-opacity);
  transform:
    translate3d(var(--frame-x), var(--frame-y), 0)
    rotate(var(--frame-rotate))
    scale(var(--frame-scale));
  transform-origin: center;
  will-change: transform, opacity;
}
.deck-frame::before,
.deck-frame::after {
  content: "";
  position: absolute;
  z-index: 20;
  pointer-events: none;
}
.deck-frame::before {
  inset: 0;
  border: 1px solid rgba(255, 255, 255, .08);
  box-shadow: inset 0 0 70px rgba(0, 0, 0, .28);
}
.deck-frame::after {
  inset: -40% -20%;
  background: linear-gradient(112deg, transparent 42%, rgba(255,255,255,.09) 49%, transparent 56%);
  transform: translateX(var(--sheen-x, -80%));
  mix-blend-mode: screen;
}
.deck-frame img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.deck-base {
  z-index: 1;
  opacity: var(--base-opacity);
  filter: blur(var(--base-blur));
  transform: scale(var(--base-scale));
  will-change: transform, filter, opacity;
}
.deck-slice {
  z-index: 4;
  opacity: var(--slice-opacity);
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, .55));
  will-change: transform, opacity, clip-path;
}
.deck-slice--top {
  clip-path: polygon(0 0, 100% 0, 100% 30%, 0 30%);
  transform: translate3d(var(--slice-top-x), var(--slice-top-y), 0);
}
.deck-slice--middle {
  clip-path: polygon(0 30%, 100% 30%, 100% 64%, 0 64%);
  transform: translate3d(var(--slice-mid-x), var(--slice-mid-y), 0);
}
.deck-slice--bottom {
  clip-path: polygon(0 64%, 100% 64%, 100% 100%, 0 100%);
  transform: translate3d(var(--slice-bottom-x), var(--slice-bottom-y), 0);
}

.deck-sharp-reveal {
  z-index: 3;
  opacity: var(--sharp-opacity);
  transform: scale(var(--sharp-scale));
  will-change: transform, opacity, clip-path;
}
.deck-scene--cascade .deck-sharp-reveal { clip-path: inset(0 var(--wipe) 0 0); }
.deck-scene--iris .deck-sharp-reveal { clip-path: circle(var(--iris) at 50% 44%); }
.deck-scene--split .deck-sharp-reveal { clip-path: polygon(0 0, 48% 0, 48% 100%, 0 100%); }
.deck-scene--split .deck-slice--middle { transform: translate3d(var(--slice-mid-x), var(--slice-mid-y), 0); }
.deck-scene--ribbon .deck-sharp-reveal { clip-path: inset(23% 0 var(--wipe) 0); }
.deck-scene--ribbon .deck-slice--top { transform: translate3d(var(--slice-top-x), 0, 0); }
.deck-scene--ribbon .deck-slice--middle { transform: translate3d(var(--slice-mid-x), 0, 0); }
.deck-scene--ribbon .deck-slice--bottom { transform: translate3d(var(--slice-bottom-x), 0, 0); }
.deck-scene--focus .deck-sharp-reveal { clip-path: inset(var(--wipe) 0 0 0); }

.deck-edge-label {
  position: absolute;
  z-index: 4;
  left: clamp(18px, 3vw, 48px);
  bottom: clamp(24px, 5svh, 58px);
  color: rgba(255, 255, 255, .48);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .24em;
  opacity: var(--edge-opacity);
  transform: translateX(var(--edge-x));
  writing-mode: vertical-rl;
  will-change: transform, opacity;
}

.deck-scene--moment .deck-base {
  filter:
    blur(var(--base-blur))
    saturate(var(--moment-saturation))
    brightness(var(--moment-brightness));
}
.deck-moment-reveal {
  z-index: 8;
  clip-path: inset(12.5% var(--moment-cover) 55.8% 0);
  filter: saturate(1.2) contrast(1.04) drop-shadow(0 0 14px rgba(var(--lane-rgb), .48));
  will-change: clip-path;
}
.deck-moment-glow {
  position: absolute;
  z-index: 9;
  top: 12.5%;
  left: var(--moment-line);
  width: 3px;
  height: 31.7%;
  opacity: var(--moment-glow);
  background: linear-gradient(transparent, #fff 16%, var(--lane) 50%, #fff 84%, transparent);
  box-shadow: 0 0 14px 3px rgba(var(--lane-rgb), .9), 0 0 44px 9px rgba(var(--lane-rgb), .42);
  transform: skewX(-7deg);
  will-change: left, opacity;
}
.deck-scene--moment .deck-slice--top { transition-delay: 0s; }
.deck-scene--moment .deck-slice--middle { transition-delay: .05s; }
.deck-scene--moment .deck-slice--bottom { transition-delay: .1s; }

.deck-scene.is-active .deck-frame {
  box-shadow:
    0 58px 170px rgba(0, 0, 0, .86),
    0 0 120px rgba(var(--lane-rgb), .19);
}

.deck-counter {
  position: fixed;
  z-index: 35;
  right: clamp(17px, 3vw, 46px);
  top: 50%;
  display: grid;
  grid-template-rows: auto 92px auto;
  justify-items: center;
  gap: 10px;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, .46);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
}
.deck-counter span:first-child { color: var(--lane); }
.deck-counter i {
  width: 1px;
  height: 92px;
  background: linear-gradient(var(--lane), rgba(255, 255, 255, .12));
  box-shadow: 0 0 12px rgba(var(--lane-rgb), .35);
}

.deck-footer {
  position: relative;
  z-index: 5;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  padding: 32px clamp(20px, 6vw, 90px) max(32px, env(safe-area-inset-bottom));
  border-top: 1px solid rgba(var(--lane-rgb), .22);
  background: #050505;
  color: rgba(255, 255, 255, .62);
}
.deck-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.deck-footer a { min-height: 44px; display: inline-flex; align-items: center; }
noscript { display: block; padding: 120px 24px; text-align: center; }

.deck-preview .deck-scene { display: none; }
.deck-preview .deck-scene.is-preview {
  display: block;
  min-height: 100svh;
}
.deck-preview .deck-scene.is-preview .deck-stage { position: relative; }
.deck-preview .deck-footer { display: none; }

@media (max-width: 720px) {
  .deck-home span { display: none; }
  .deck-home img { width: 42px; height: 42px; }
  .deck-download { min-height: 40px; padding-inline: 15px; font-size: 10px; }
  .deck-scene { min-height: 168svh; }
  .deck-stage { padding: max(76px, 9svh) 22px max(50px, 6svh); }
  .deck-frame {
    width: min(88vw, calc(78svh * 9 / 16));
    height: auto;
    max-height: 79svh;
  }
  .deck-portal { width: 120vw; }
  .deck-streak { width: 130vw; }
  .deck-counter {
    right: 8px;
    grid-template-rows: auto 54px auto;
    gap: 7px;
    font-size: 8px;
  }
  .deck-counter i { height: 54px; }
  .deck-edge-label { display: none; }
  .deck-footer { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .deck-scene { min-height: 110svh; }
  .deck-wash,
  .deck-frame,
  .deck-base,
  .deck-slice,
  .deck-sharp-reveal,
  .deck-portal,
  .deck-streak,
  .deck-edge-label,
  .deck-moment-reveal,
  .deck-moment-glow {
    transform: none;
    transition: none;
    animation: none;
  }
  .deck-portal,
  .deck-streak,
  .deck-slice,
  .deck-sharp-reveal,
  .deck-moment-glow { display: none; }
  .deck-base { filter: none; }
  .deck-moment-reveal { clip-path: inset(12.5% 0 55.8% 0); }
}