/* Latte Studio: the landing page. One latte made in the game, scrubbed by the scroll: the shot
   runs into the cup, the milk is poured, the heart is drawn. The frames sit on a canvas pinned
   to the screen; the words come and go over it. */
:root{
  --ink:#f4ede4; --ink-dim:rgba(244,237,228,.66); --accent:#e8c9a0; --bg:#120c08;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}

/* the film: pinned to the screen while the page scrolls past it */
.film{position:fixed;inset:0;z-index:0}
.film canvas{display:block;width:100%;height:100%}
/* a soft dark edge so the words read over any frame */
.film::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 50%,rgba(18,12,8,0) 45%,rgba(18,12,8,.55) 100%),
    linear-gradient(rgba(18,12,8,.55),rgba(18,12,8,0) 22%,rgba(18,12,8,0) 70%,rgba(18,12,8,.7))}

/* the story: tall, so the scroll has room to play the film; each beat is a screen */
.story{position:relative;z-index:1}
.beat{min-height:100vh;display:flex;align-items:center;padding:0 max(24px,6vw)}
.beat.top{align-items:flex-start;padding-top:max(18vh,96px)}
.beat.bottom{align-items:flex-end;padding-bottom:16vh}
.beat .copy{max-width:520px;opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.beat.on .copy{opacity:1;transform:none}
.beat.right{justify-content:flex-end;text-align:right}
.beat.center{justify-content:center;text-align:center}
.kicker{font-size:12px;letter-spacing:.32em;color:var(--accent);margin:0 0 14px}
h1,h2{margin:0;font-weight:700;letter-spacing:.04em;text-shadow:0 2px 18px rgba(0,0,0,.5)}
h1{font-size:clamp(34px,6vw,64px);line-height:1.18}
h2{font-size:clamp(26px,4.2vw,44px);line-height:1.3}
.copy p{margin:16px 0 0;font-size:clamp(14px,1.6vw,16px);line-height:1.9;color:var(--ink-dim);text-shadow:0 1px 10px rgba(0,0,0,.6)}
.brand{position:fixed;left:max(24px,4vw);top:22px;z-index:2;font-size:13px;letter-spacing:.32em;color:var(--ink-dim);text-transform:uppercase}
.brand b{color:var(--ink);font-weight:600}
.lang{position:fixed;right:max(20px,4vw);top:16px;z-index:2;appearance:none;font:inherit;font-size:12px;color:var(--ink-dim);
  background:rgba(18,12,8,.45);border:1px solid rgba(244,237,228,.18);border-radius:999px;padding:6px 14px;cursor:pointer}
.lang:hover{color:var(--ink)}
/* scroll cue */
.cue{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;font-size:11px;letter-spacing:.28em;color:var(--ink-dim);
  display:flex;flex-direction:column;align-items:center;gap:10px;transition:opacity .4s}
.cue i{width:1px;height:38px;background:linear-gradient(var(--ink),transparent);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
body.scrolled .cue{opacity:0}
/* the call to play */
.play{display:inline-flex;align-items:center;gap:10px;margin-top:28px;padding:16px 34px;border-radius:999px;text-decoration:none;
  background:var(--accent);color:#20150e;font-weight:700;font-size:17px;letter-spacing:.06em;box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:transform .15s,box-shadow .15s}
.play:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.45)}
.play.small{position:fixed;right:max(20px,4vw);bottom:22px;z-index:2;margin:0;padding:11px 22px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .4s}
body.scrolled .play.small{opacity:1;pointer-events:auto}
body.at-end .play.small,body.cta .play.small{opacity:0;pointer-events:none}
.points{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:26px 0 0;padding:0;list-style:none}
.points li{font-size:12px;color:var(--ink-dim);border:1px solid rgba(244,237,228,.18);border-radius:999px;padding:6px 14px;background:rgba(18,12,8,.4)}
footer{position:relative;z-index:1;padding:40px 24px 48px;text-align:center;font-size:11px;line-height:1.9;color:rgba(244,237,228,.45);background:linear-gradient(transparent,var(--bg) 40%)}
footer a{color:rgba(244,237,228,.6)}
/* loading: the first frame is there at once; a thin bar says how much of the film is in */
.load{position:fixed;left:0;top:0;height:2px;z-index:3;background:var(--accent);transition:width .3s,opacity .6s}
/* a tall screen: the words go up top, over a darker band, clear of the cup */
@media (max-aspect-ratio:3/4){
  .beat,.beat.right,.beat.center{align-items:flex-start;justify-content:flex-start;text-align:left;padding-top:max(12vh,80px)}
  .beat.top.center,.beat.bottom.center{justify-content:center;text-align:center}
  .beat.bottom{align-items:flex-end;padding-top:0;padding-bottom:2vh}
  .beat.bottom .play{margin-top:0}
  footer{padding:14px 24px 22px}
  .film::after{background:radial-gradient(120% 90% at 50% 60%,rgba(18,12,8,0) 45%,rgba(18,12,8,.55) 100%),
    linear-gradient(rgba(18,12,8,.85),rgba(18,12,8,.55) 26%,rgba(18,12,8,0) 44%,rgba(18,12,8,0) 72%,rgba(18,12,8,.75))}
  .copy p{text-shadow:0 1px 12px rgba(0,0,0,.9)}
  /* (the words can run over the white cup: a soft dark pane keeps them readable) */
  .beat:not(.bottom) .copy{background:rgba(18,12,8,.5);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    padding:16px 18px;margin:0 -6px;border-radius:16px}
}
@media (prefers-reduced-motion:reduce){ .beat .copy{transition:none} .cue i{animation:none} }