@layer intro-reset,intro-layout,intro-motion,intro-responsive;

@layer intro-reset {
  .intro, .intro * { box-sizing: border-box; }
  .intro figure { margin: 0; }
  .intro button { font: inherit; }
}

@layer intro-layout {
  :root {
    --intro-night: #171521;
    --intro-ink: #282435;
    --intro-paper: #f5eee3;
    --intro-sage: #697568;
    --intro-gold: #f6ca73;
    --intro-blush: #f0aa91;
    --intro-time: 2800ms;
    --intro-swap-time: 120ms;
  }

  body.intro-active { overflow: hidden; }
  body.intro-active .shell { pointer-events: none; user-select: none; }
  body.intro-active .intro-replay { display: none; }

  .intro {
    position: fixed;
    inset: 0;
    z-index: 80;
    overflow: hidden;
    color: var(--intro-paper);
    background: transparent;
    isolation: isolate;
    touch-action: manipulation;
    cursor: pointer;
  }
  .intro[hidden] { display: none !important; }
  .intro-scene, .intro-paper { position: absolute; inset: 0; }
  .intro-scene { min-width: 0; overflow: hidden; }
  .intro-paper {
    z-index: -2;
    background:
      radial-gradient(circle at 24% 20%, rgba(245,238,227,.055) 0 1px, transparent 1.5px),
      radial-gradient(circle at 76% 68%, rgba(245,238,227,.045) 0 1px, transparent 1.6px),
      linear-gradient(112deg, #171521 0%, #201c2b 58%, #2a2330 100%);
    background-size: 13px 17px, 19px 23px, auto;
    transform: translateY(0);
    will-change: transform;
  }
  .intro-paper::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: .17;
    background: repeating-linear-gradient(96deg, transparent 0 3px, rgba(255,255,255,.035) 4px, transparent 5px 9px);
    mix-blend-mode: soft-light;
  }

  .intro-skip {
    position: absolute;
    z-index: 12;
    top: max(14px, env(safe-area-inset-top));
    right: max(14px, env(safe-area-inset-right));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 72px;
    min-height: 44px;
    padding: 0 12px;
    border: 1px solid rgba(245,238,227,.54);
    color: var(--intro-paper);
    background: rgba(23,21,33,.48);
    font: 750 10px/1 "Avenir Next", "Segoe UI", sans-serif;
    letter-spacing: .13em;
    text-transform: uppercase;
    cursor: pointer;
  }
  .intro-skip:focus-visible, .intro-replay:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 3px;
  }

  .light-string {
    position: absolute;
    z-index: 1;
    left: -4vw;
    width: 108vw;
    height: 22vh;
    overflow: visible;
    opacity: 0;
  }
  .light-string-a { top: 1vh; transform: rotate(-3deg); }
  .light-string-b { top: 18vh; transform: rotate(5deg) scaleX(-1); }
  .light-string path { fill: none; stroke: rgba(238,218,184,.36); stroke-width: 1.1; }
  .light-string circle {
    fill: #ffe3a0;
    stroke: #fff0c3;
    stroke-width: 1.2;
    filter: drop-shadow(0 0 3px #ffd58a) drop-shadow(0 0 12px rgba(255,188,89,.9));
  }

  .botanical {
    position: absolute;
    z-index: 2;
    display: block;
    width: min(54vw, 390px);
    opacity: 0;
    pointer-events: none;
    mix-blend-mode: normal;
  }
  .botanical-a { right: -9vw; bottom: 6vh; transform: rotate(-10deg); }
  .botanical img { display: block; width: 100%; height: auto; filter: saturate(.7) contrast(.94); }

  .emulsion-frame {
    position: absolute;
    z-index: 4;
    left: 50%;
    top: 49%;
    width: min(77vw, 500px);
    aspect-ratio: 4 / 5;
    padding: 12px 17px 26px;
    color: var(--intro-ink);
    background: var(--intro-paper);
    box-shadow: 0 22px 70px rgba(0,0,0,.46), 0 0 0 1px rgba(255,255,255,.28) inset;
    opacity: 0;
    transform: translate(-50%, -44%) rotate(-2.2deg) scale(.88);
    clip-path: polygon(1% 0, 99.2% .8%, 100% 98.5%, 1.6% 100%, 0 52%);
    will-change: transform, clip-path, opacity;
  }
  .emulsion-frame picture, .emulsion-frame img { width: 100%; height: 100%; }
  .emulsion-frame picture { display: block; overflow: hidden; background: #302a36; }
  .emulsion-frame img { display: block; object-fit: cover; object-position: 50% 48%; filter: saturate(.9) contrast(1.04) sepia(.04); }
  .emulsion-frame::after {
    content: "";
    position: absolute;
    inset: 12px 17px 26px;
    box-shadow: 0 0 22px rgba(255,194,106,.22) inset;
    background: linear-gradient(116deg, rgba(255,212,157,.1), transparent 35%, transparent 78%, rgba(42,26,39,.13));
    pointer-events: none;
  }
  .emulsion-frame figcaption {
    position: absolute;
    left: 22px;
    bottom: 8px;
    font: 800 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: .17em;
  }
  .sprockets {
    position: absolute;
    z-index: 3;
    top: 18px;
    bottom: 30px;
    width: 7px;
    opacity: .62;
    background: repeating-linear-gradient(to bottom, var(--intro-ink) 0 5px, transparent 5px 11px);
  }
  .sprockets-left { left: 5px; }
  .sprockets-right { right: 5px; }

  .intro-header-ghost {
    position: absolute;
    inset: 0;
    z-index: 7;
    opacity: 1;
    pointer-events: none;
    will-change: opacity;
  }
  .date-stamp {
    position: absolute;
    z-index: 7;
    left: 50%;
    top: 66%;
    display: grid;
    grid-template-columns: 1fr;
    min-width: 190px;
    padding: 8px 12px;
    color: var(--intro-paper);
    border: 1px solid currentColor;
    background: rgba(23,21,33,.78);
    opacity: 0;
    transform: translate(-50%,-50%) rotate(-3deg) scale(1.15);
    text-align: center;
    will-change: transform, opacity;
  }
  .date-stamp span { font: 700 8px/1.1 Georgia, serif; letter-spacing: .25em; }
  .date-stamp strong {
    margin: 4px 0;
    padding: 5px 0 4px;
    border-top: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    font: 500 18px/.95 Georgia, "Times New Roman", serif;
    letter-spacing: .07em;
  }

  .name-frame {
    position: absolute;
    z-index: 8;
    left: 50%;
    top: 50%;
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 46px;
    padding: 6px 10px;
    color: var(--intro-paper);
    border-block: 2px solid currentColor;
    background: rgba(23,21,33,.76);
    opacity: 0;
    white-space: nowrap;
    will-change: transform, opacity;
  }
  .name-frame strong {
    font: 900 clamp(26px, 9.8vw, 62px)/.84 "Avenir Next Condensed", "Arial Narrow", sans-serif;
    letter-spacing: -.055em;
  }
  .name-frame span { font: 700 7px/1 ui-monospace, monospace; letter-spacing: .1em; }
  .name-kubra { transform: translate(-128%,-80%) rotate(-2deg); }
  .name-samet { transform: translate(24%,16%) rotate(2deg); }

  .intro-progress {
    position: absolute;
    z-index: 11;
    left: max(16px, env(safe-area-inset-left));
    right: max(16px, env(safe-area-inset-right));
    bottom: max(14px, env(safe-area-inset-bottom));
    height: 1px;
    overflow: hidden;
    background: rgba(245,238,227,.22);
  }
  .intro-progress i { display: block; width: 100%; height: 100%; background: var(--intro-paper); transform-origin: left; transform: scaleX(0); }

  .intro-replay {
    position: fixed;
    z-index: 20;
    right: max(12px, env(safe-area-inset-right));
    bottom: max(64px, calc(env(safe-area-inset-bottom) + 58px));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 44px;
    padding: 0 10px;
    color: var(--night);
    border: 1px solid rgba(40,36,53,.45);
    background: rgba(247,236,222,.94);
    font: 800 8px/1 "Avenir Next", "Segoe UI", sans-serif;
    letter-spacing: .08em;
    text-transform: uppercase;
    cursor: pointer;
  }
  .intro-replay[hidden] { display: none !important; }
}

@layer intro-motion {
  body.intro-active .shell {
    opacity: 1;
    transform: none;
    clip-path: inset(100% 0 0 0);
  }
  body.intro-active .topline { opacity: 0; }
  body.intro-morph .shell {
    clip-path: inset(0 0 0 0);
    transition: clip-path 620ms cubic-bezier(.22,.76,.2,1);
  }
  body.intro-header-swap .topline {
    opacity: 1;
    transition: opacity var(--intro-swap-time) linear;
  }
  body.intro-header-swap .intro-header-ghost {
    opacity: 0;
    transition: opacity var(--intro-swap-time) linear;
  }
  body.intro-skip-exit .shell { transition-duration: 150ms; }

  .intro.is-playing { animation: intro-away var(--intro-time) linear both; }
  .intro.is-playing .intro-paper { animation: paper-lift var(--intro-time) cubic-bezier(.3,.78,.2,1) both; }
  .intro.is-playing .light-string-a { animation: lights-on var(--intro-time) linear both; }
  .intro.is-playing .light-string-b { animation: lights-on-b var(--intro-time) linear both; }
  .intro.is-playing .botanical { animation: botanical-in var(--intro-time) cubic-bezier(.2,.85,.25,1) both; }
  .intro.is-playing .emulsion-frame { animation: photo-develop var(--intro-time) cubic-bezier(.2,.85,.25,1) both; }
  .intro.is-playing .date-stamp { animation: stamp-in var(--intro-time) cubic-bezier(.18,.9,.25,1) both; }
  .intro.is-playing .name-kubra { animation: kubra-frame var(--intro-time) cubic-bezier(.18,.9,.25,1) both; }
  .intro.is-playing .name-samet { animation: samet-frame var(--intro-time) cubic-bezier(.18,.9,.25,1) both; }
  .intro.is-playing .intro-progress i { animation: intro-progress var(--intro-time) linear both; }
  .intro.is-playing .intro-skip { animation: skip-away var(--intro-time) linear both; }

  .intro.is-frozen,
  .intro.is-frozen * { animation-play-state: paused !important; }

  .intro.is-measuring .emulsion-frame {
    opacity: 0 !important;
    transform: translate(-50%,-50%) rotate(0) scale(1) !important;
    clip-path: inset(0) !important;
    animation: none !important;
  }
  .intro.is-measuring .date-stamp {
    opacity: 0 !important;
    transform: translate(-50%,-50%) rotate(-2deg) scale(1) !important;
    animation: none !important;
  }
  .intro.is-measuring .name-kubra {
    opacity: 0 !important;
    transform: translate(-50%,-112%) rotate(0) scale(1) !important;
    animation: none !important;
  }
  .intro.is-measuring .name-samet {
    opacity: 0 !important;
    transform: translate(-50%,-8%) rotate(0) scale(1) !important;
    animation: none !important;
  }

  @keyframes intro-away {
    0%,99% { visibility: visible; }
    100% { visibility: hidden; }
  }
  @keyframes paper-lift {
    0%,73.5% { transform: translateY(0); }
    100% { transform: translateY(-104%); }
  }
  @keyframes lights-on {
    0%,6% { opacity: 0; filter: brightness(.1); }
    16%,73.5% { opacity: .96; filter: brightness(1); }
    78.5%,100% { opacity: 0; filter: brightness(.34); }
  }
  @keyframes lights-on-b {
    0%,10% { opacity: 0; filter: brightness(.1); }
    20%,76.5% { opacity: .62; filter: brightness(1); }
    82%,100% { opacity: 0; filter: brightness(.3); }
  }
  @keyframes photo-develop {
    0%,15% {
      opacity: 0;
      transform: translate(-50%,-44%) rotate(-2.2deg) scale(.88);
      clip-path: polygon(1% 0, 99.2% .8%, 100% 98.5%, 1.6% 100%, 0 52%);
      filter: brightness(.3) contrast(1.4);
    }
    29% { opacity: 1; filter: brightness(.74) contrast(1.18); }
    43%,73.5% {
      opacity: 1;
      transform: translate(-50%,-50%) rotate(-.6deg) scale(1);
      clip-path: polygon(1% 0, 99.2% .8%, 100% 98.5%, 1.6% 100%, 0 52%);
      filter: none;
    }
    82% {
      opacity: 1;
      transform: translate(-50%,-50%) rotate(0) scale(.94,.34);
      clip-path: inset(22% 1% 22% 1% round 2px);
      filter: saturate(.72) contrast(1.1);
    }
    94%,97% {
      opacity: .72;
      transform: translate(-50%,-50%) translate(var(--emulsion-dx,0px),var(--emulsion-dy,0px)) scale(var(--emulsion-sx,.3),var(--emulsion-sy,.04));
      clip-path: inset(0 round 1px);
      filter: saturate(.45) contrast(1.2);
    }
    100% {
      opacity: 0;
      transform: translate(-50%,-50%) translate(var(--emulsion-dx,0px),var(--emulsion-dy,0px)) scale(var(--emulsion-sx,.3),var(--emulsion-sy,.04));
      clip-path: inset(0 round 1px);
      filter: saturate(.3) contrast(1.2);
    }
  }
  @keyframes botanical-in {
    0%,21% { opacity: 0; transform: translate(26px,18px) rotate(-15deg); }
    36%,73.5% { opacity: .66; transform: translate(0,0) rotate(-10deg); }
    86%,100% { opacity: 0; transform: translate(0,-30vh) rotate(-7deg) scale(.92); }
  }
  @keyframes stamp-in {
    0%,32% {
      opacity: 0;
      color: var(--intro-paper);
      background: rgba(23,21,33,.82);
      transform: translate(-50%,-50%) rotate(-5deg) scale(1.22);
    }
    38% {
      opacity: 1;
      color: var(--intro-paper);
      background: rgba(23,21,33,.82);
      transform: translate(-50%,-50%) rotate(-2deg) scale(.96);
    }
    43%,75% {
      opacity: 1;
      color: var(--intro-paper);
      background: rgba(23,21,33,.82);
      transform: translate(-50%,-50%) rotate(-2deg) scale(1);
    }
    82% {
      opacity: 1;
      color: var(--intro-paper);
      background: rgba(23,21,33,.62);
      transform: translate(-50%,-50%) translate(0,-12vh) rotate(-1deg) scale(.82);
    }
    94%,100% {
      opacity: 1;
      color: var(--intro-ink);
      background: transparent;
      border-color: transparent;
      transform: translate(-50%,-50%) translate(var(--date-dx,0px),var(--date-dy,0px)) rotate(0) scale(var(--date-sx,.5),var(--date-sy,.5));
    }
  }
  @keyframes kubra-frame {
    0%,43% {
      opacity: 0;
      color: var(--intro-paper);
      background: rgba(23,21,33,.9);
      border-color: var(--intro-paper);
      transform: translate(-128%,-80%) rotate(-2deg);
    }
    49% { opacity: 1; }
    61%,75% {
      opacity: 1;
      color: var(--intro-paper);
      background: rgba(23,21,33,.9);
      border-color: var(--intro-paper);
      transform: translate(-50%,-112%) rotate(0) scale(1);
    }
    84% {
      opacity: 1;
      color: var(--intro-paper);
      background: rgba(23,21,33,.64);
      transform: translate(-50%,-112%) translate(0,-5vh) rotate(0) scale(.78);
    }
    94%,100% {
      opacity: 1;
      color: var(--intro-ink);
      background: transparent;
      border-color: transparent;
      transform: translate(-50%,-112%) translate(var(--kubra-dx,0px),var(--kubra-dy,0px)) rotate(0) scale(var(--kubra-sx,.4),var(--kubra-sy,.4));
    }
  }
  @keyframes samet-frame {
    0%,43% {
      opacity: 0;
      color: var(--intro-paper);
      background: rgba(23,21,33,.9);
      border-color: var(--intro-paper);
      transform: translate(24%,16%) rotate(2deg);
    }
    49% { opacity: 1; }
    61%,75% {
      opacity: 1;
      color: var(--intro-paper);
      background: rgba(23,21,33,.9);
      border-color: var(--intro-paper);
      transform: translate(-50%,-8%) rotate(0) scale(1);
    }
    84% {
      opacity: 1;
      color: var(--intro-paper);
      background: rgba(23,21,33,.64);
      transform: translate(-50%,-8%) translate(0,-3vh) rotate(0) scale(.78);
    }
    94%,100% {
      opacity: 1;
      color: var(--intro-ink);
      background: transparent;
      border-color: transparent;
      transform: translate(-50%,-8%) translate(var(--samet-dx,0px),var(--samet-dy,0px)) rotate(0) scale(var(--samet-sx,.4),var(--samet-sy,.4));
    }
  }
  @keyframes intro-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
  @keyframes skip-away { 0%,76% { opacity: 1; } 83%,100% { opacity: 0; } }

  .intro.is-skipping { animation: intro-skip-fade 150ms ease both; }
  @keyframes intro-skip-fade { from { opacity: 1; } to { opacity: 0; visibility: hidden; } }

  .intro.is-reduced { animation: reduced-away 460ms ease both; }
  .intro.is-reduced .intro-paper { background: var(--intro-night); }
  .intro.is-reduced .light-string, .intro.is-reduced .intro-progress { display: none; }
  .intro.is-reduced .emulsion-frame {
    opacity: 1;
    transform: translate(-50%,-50%) rotate(0) scale(.9);
    filter: none;
  }
  .intro.is-reduced .date-stamp {
    opacity: 1;
    transform: translate(-50%,-50%) rotate(0) scale(.88);
  }
  .intro.is-reduced .botanical { opacity: .42; transform: rotate(-8deg); }
  .intro.is-reduced .name-frame { opacity: 1; }
  .intro.is-reduced .name-kubra { transform: translate(-50%,-112%) rotate(0) scale(.92); }
  .intro.is-reduced .name-samet { transform: translate(-50%,-8%) rotate(0) scale(.92); }
  @keyframes reduced-away { 0%,56% { opacity: 1; } 100% { opacity: 0; visibility: hidden; } }
}

@layer intro-responsive {
  @media (min-width: 700px) {
    .emulsion-frame { width: min(43vw, 510px); }
    .botanical { width: min(34vw, 430px); }
    .name-frame strong { font-size: min(5.2vw, 62px); }
    .date-stamp { top: 64%; }
    .intro-replay { right: 24px; bottom: 68px; }
  }
  @media (max-height: 650px) and (orientation: portrait) {
    .emulsion-frame { width: min(62vw, 350px); }
    .date-stamp { top: 68%; transform-origin: center; }
    .date-stamp strong { font-size: 15px; }
    .botanical { width: 42vw; bottom: 2vh; }
  }
  @media (orientation: landscape) and (max-height: 500px) {
    .emulsion-frame { width: min(28vw, 310px); }
    .date-stamp { left: 73%; top: 54%; }
    .name-kubra, .name-samet { left: 27%; }
    .botanical { width: 26vw; right: 2vw; bottom: -4vh; }
  }
  @media (max-width: 240px) {
    .intro-skip { top: 8px; right: 8px; min-width: 58px; padding-inline: 7px; }
    .emulsion-frame { width: 74vw; }
    .name-frame { padding-inline: 6px; }
    .name-frame strong { font-size: 22px; }
    .date-stamp { min-width: 144px; }
    .date-stamp strong { font-size: 13px; }
    .intro-replay span:last-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
    .intro-replay { width: 44px; padding: 0; }
  }
  @media (prefers-reduced-motion: reduce) {
    body.intro-morph .shell { transition-duration: 120ms; }
    body.intro-header-swap .topline,
    body.intro-header-swap .intro-header-ghost { transition-duration: 120ms; }
  }
}