@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,500;0,600;1,500&family=Josefin+Sans:wght@300;400&display=swap");

:root {
  --navy: #0d101a; --navy2: #1b2238; --gold: #e8cf9b; --copper: #d6a883; --lav: #b9b2d6; --ink: #f4f1ea;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --label: "Josefin Sans", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.22, .8, .3, 1);
  --card-bg: radial-gradient(1200px 700px at 50% 35%, #26304d 0%, #161c30 55%, #0d101a 100%);
  --card-ink: var(--ink); --card-accent: var(--copper); --card-soft: rgba(244,241,234,.72);
}
body.theme-light {
  --card-bg: radial-gradient(1200px 700px at 50% 35%, #fffdf8 0%, #f6f2ea 60%, #ece6f2 100%);
  --card-ink: #3f3f46; --card-accent: #9b6b4f; --card-soft: rgba(63,63,70,.75);
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; overflow: hidden; background: var(--navy); color: var(--ink); font-family: var(--serif); }
.label { font-family: var(--label); text-transform: uppercase; letter-spacing: .3em; font-weight: 300; font-size: clamp(.7rem, 1.1vw, 1.1rem); color: var(--card-accent); margin: 0; }
button { font: inherit; }
body.idle { cursor: none; }
body.no-save .stage, body.no-save .stage * { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }

/* ---------- stage + slides ---------- */
.stage { position: fixed; inset: 0; overflow: hidden; background: var(--navy); }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.5s ease; overflow: hidden; }
.slide.in { opacity: 1; }

/* ---------- photo scenes: 1 / 2 / 3 photos, blurred backdrop, QR dock on the right ---------- */
body { --qr: min(32vh, 17vw); --dockw: calc(var(--qr) + 3.4vh); --rail: calc(var(--dockw) + 3.6vw); }
.slide--scene { background: #05070c; }
.slide--scene .bg { position: absolute; inset: -8%; background-size: cover; background-position: center; filter: blur(38px) brightness(.46) saturate(1.3); transform: scale(1.1); }
.slide--scene::before { content: ""; position: absolute; inset: -20%; z-index: 1; pointer-events: none; mix-blend-mode: screen; opacity: .0; background: radial-gradient(40% 40% at 30% 40%, rgba(232,207,155,.22), transparent 70%), radial-gradient(35% 35% at 75% 70%, rgba(185,178,214,.16), transparent 70%); }
.slide--scene::after { content: ""; position: absolute; inset: 0; z-index: 3; pointer-events: none; background: radial-gradient(ellipse at 42% 50%, transparent 52%, rgba(0,0,0,.5) 100%); }
.area { position: absolute; z-index: 2; left: 3vw; right: 3vw; top: 5vh; bottom: 5vh; display: grid; grid-template: minmax(0, 1fr) / minmax(0, 1fr); place-items: center; transition: right .7s var(--ease); }
body.qr-on .area { right: calc(3vw + var(--rail)); }
.row { --H: 84vh; --g: 2.4vw; display: flex; align-items: center; justify-content: center; gap: var(--g); width: min(100%, calc(var(--sar) * var(--H) + (var(--n) - 1) * var(--g))); will-change: transform; }
.row--duo { --H: 78vh; } .row--trio { --H: 70vh; --g: 1.8vw; } .row--hero { --H: 88vh; }
.fr { position: relative; flex: var(--ar) 1 0%; min-width: 0; aspect-ratio: var(--ar); margin: 0; overflow: hidden; border-radius: .5vh; opacity: 0; transform: translateY(var(--lift, 0px)) rotate(var(--rot, 0deg)); box-shadow: 0 2.6vh 7vh rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.16); background: #111; }
.fr img { display: block; width: 100%; height: 100%; object-fit: cover; -webkit-user-drag: none; }
.prints { --g: -1.1vw; }
.prints .fr { border: .9vh solid #f7f2e8; border-radius: .3vh; box-shadow: 0 2.4vh 6vh rgba(0,0,0,.6); }
.row--hero .fr { box-shadow: 0 2.6vh 8vh rgba(0,0,0,.65), 0 0 0 .35vh rgba(232,207,155,.85), 0 0 10vh rgba(232,207,155,.28); }
.slide--scene .mark { position: absolute; z-index: 4; left: 0; right: 0; text-align: center; top: 2.6vh; font-family: var(--label); text-transform: uppercase; letter-spacing: .32em; font-size: clamp(.55rem, .85vw, .9rem); color: rgba(255,255,255,.7); opacity: 0; text-shadow: 0 2px 10px rgba(0,0,0,.6); }
.slide--scene .cap { position: absolute; z-index: 4; left: 0; right: 0; bottom: 0; padding: 11vh 8vw 6vh; text-align: center; background: linear-gradient(transparent, rgba(4,6,10,.82)); opacity: 0; transform: translateY(24px); }
.cap__text { margin: 0; font-size: clamp(1.2rem, 2.7vw, 2.9rem); line-height: 1.25; text-shadow: 0 2px 16px rgba(0,0,0,.6); }
body:not(.captions-on) .cap { display: none; }

/* cards (title, message, thanks) */
.slide--card { background: var(--card-bg); color: var(--card-ink); }
.fl { position: absolute; width: clamp(120px, 22vw, 420px); height: auto; pointer-events: none; opacity: .0; }
body.theme-dark .fl { filter: brightness(1.7) saturate(.65); }
.fl--tl { top: 0; left: 0; transform-origin: 0 0; } .fl--tr { top: 0; right: 0; transform-origin: 100% 0; }
.fl--bl { bottom: 0; left: 0; transform-origin: 0 100%; } .fl--br { bottom: 0; right: 0; transform-origin: 100% 100%; }
.slide.in .fl { animation: flIn 2.2s var(--ease) .2s forwards, sway 12s ease-in-out 2.4s infinite alternate; }
body.theme-dark .slide.in .fl { animation-name: flInDark, sway; }

/* title */
.title { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; text-align: center; gap: 1.6vh; padding: 0 6vw; }
.portrait-wrap { position: relative; width: clamp(150px, 26vh, 320px); aspect-ratio: 1; margin: .6vh 0 1.4vh; opacity: 0; }
.portrait-wrap::before, .portrait-wrap::after { content: ""; position: absolute; inset: -1.6vh; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--card-accent) 55%, transparent); }
.portrait-wrap::after { inset: -3.4vh; border-color: color-mix(in srgb, var(--lav) 45%, transparent); }
.portrait-wrap > div { width: 100%; height: 100%; border-radius: 50%; overflow: hidden; box-shadow: 0 10px 40px rgba(0,0,0,.35); }
.portrait-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.t-name { margin: 0; font-weight: 500; text-transform: uppercase; letter-spacing: .05em; font-size: clamp(2.2rem, 7vw, 8rem); line-height: 1.05; }
.name-word { display: inline-block; white-space: nowrap; }
.name-letter { display: inline-block; opacity: 0; }
.t-eyebrow { margin-bottom: 3.2vh !important; }
.t-dates { font-size: clamp(.8rem, 1.5vw, 1.6rem) !important; }
.t-age { margin: 0; font-style: italic; color: var(--card-accent); font-size: clamp(1.1rem, 2vw, 2.2rem); opacity: 0; }
.t-age b { font-style: normal; font-weight: 600; font-size: 1.25em; }
.t-fade { opacity: 0; }

/* message */
.msg { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; padding: 6vh 12vw; }
.msg__mark { font-size: clamp(4rem, 12vw, 14rem); line-height: .55; height: .45em; color: var(--card-accent); opacity: 0; font-family: Georgia, serif; }
.msg__text { margin: 0 auto; max-width: 30em; line-height: 1.45; font-weight: 500; }
.msg--s .msg__text { font-size: clamp(1.7rem, 4vw, 4.6rem); } .msg--m .msg__text { font-size: clamp(1.4rem, 3vw, 3.4rem); }
.msg--l .msg__text { font-size: clamp(1.15rem, 2.2vw, 2.6rem); } .msg--xl .msg__text { font-size: clamp(1rem, 1.75vw, 2rem); max-width: 36em; }
.w { display: inline-block; opacity: 0; }
.msg__by { margin: 3vh 0 0; font-family: var(--label); text-transform: uppercase; letter-spacing: .28em; font-size: clamp(.7rem, 1.2vw, 1.3rem); color: var(--card-accent); opacity: 0; }

/* thanks */
.thanks { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; text-align: center; gap: 1.6vh; padding: 0 8vw; }
.thanks h2 { margin: 0; font-weight: 500; font-size: clamp(1.8rem, 4.6vw, 5.4rem); line-height: 1.15; opacity: 0; }
.thanks p { margin: 0; font-size: clamp(1rem, 1.8vw, 2rem); color: var(--card-soft); opacity: 0; }
.thanks .url { font-family: var(--label); letter-spacing: .12em; color: var(--card-accent); font-size: clamp(.8rem, 1.4vw, 1.5rem); }
.candle { position: relative; width: 70px; height: 120px; opacity: 0; }
.candle__body { position: absolute; left: 50%; bottom: 0; width: 22px; height: 62px; margin-left: -11px; border-radius: 4px 4px 3px 3px; background: linear-gradient(90deg, #efe3c9, #fbf5e6 45%, #e6d8b8); }
.candle__wick { position: absolute; left: 50%; bottom: 62px; width: 2px; height: 9px; margin-left: -1px; background: #4a3b30; }
.candle__flame { position: absolute; left: 50%; bottom: 69px; width: 14px; height: 30px; margin-left: -7px; border-radius: 50% 50% 50% 50% / 62% 62% 38% 38%; background: linear-gradient(#fff8d6, #f8c64f 55%, #e8862b); transform-origin: 50% 100%; box-shadow: 0 0 22px 8px rgba(245,185,66,.55); animation: flicker 2.6s ease-in-out infinite; }
.candle__glow { position: absolute; left: 50%; bottom: 40px; width: 170px; height: 170px; margin-left: -85px; border-radius: 50%; background: radial-gradient(circle, rgba(255,214,120,.38), transparent 68%); animation: glow 3.2s ease-in-out infinite; }

/* QR cards */
.qrcard { background: #fff; color: #111; border-radius: 1.6vh; padding: 1.6vh 1.6vh 1.2vh; text-align: center; box-shadow: 0 12px 40px rgba(0,0,0,.35); font-family: var(--label); }
.qrcard svg { display: block; width: 100%; height: auto; }
.qrcard span { display: block; margin-top: .6vh; font-size: clamp(.7rem, 1.7vh, 1.4rem); letter-spacing: .1em; text-transform: uppercase; font-weight: 400; }
.qrcard--big { width: clamp(220px, 36vh, 520px); opacity: 0; }
body:not(.qr-on) .qrcard, body:not(.qr-on) .dock { display: none; }

/* dock: moderate QR that stays beside the photos */
.dock { position: fixed; z-index: 20; right: 2vw; top: 50%; width: var(--dockw); padding: 1.7vh; border-radius: 2.2vh; text-align: center; font-family: var(--label); color: #fff; background: rgba(13,16,26,.62); border: 1px solid rgba(232,207,155,.35); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 14px 50px rgba(0,0,0,.5), 0 0 40px rgba(232,207,155,.12); opacity: 0; transform: translateY(-50%) translateX(24px); transition: opacity .9s, transform .9s var(--ease); pointer-events: none; }
.dock__plate { background: #fff; border-radius: 1.2vh; overflow: hidden; }
.dock__plate svg { display: block; width: 100%; height: auto; }
.dock b { display: block; margin-top: 1.5vh; font-weight: 400; font-size: clamp(.75rem, 1.9vh, 1.5rem); letter-spacing: .1em; text-transform: uppercase; line-height: 1.35; color: var(--gold); }
.dock small { display: block; margin-top: .7vh; font-size: clamp(.65rem, 1.45vh, 1.15rem); letter-spacing: .06em; opacity: .75; }
body[data-slide="scene"].qr-on .dock { opacity: 1; transform: translateY(-50%); }
body.bigqr .dock { opacity: 0 !important; }

/* full-screen big QR (press B, or the QR button) */
.qrover { position: fixed; inset: 0; z-index: 60; display: grid; place-content: center; justify-items: center; gap: 2.4vh; background: rgba(5,7,12,.94); opacity: 0; visibility: hidden; transition: opacity .5s, visibility .5s; cursor: pointer; text-align: center; }
body.bigqr .qrover { opacity: 1; visibility: visible; }
.qrover__plate { width: min(78vh, 80vw); background: #fff; padding: 2.2vh; border-radius: 2.4vh; box-shadow: 0 0 0 .6vh rgba(232,207,155,.7), 0 0 12vh rgba(232,207,155,.35); }
.qrover__plate svg { display: block; width: 100%; height: auto; }
.qrover__label { margin: 0; font-family: var(--label); text-transform: uppercase; letter-spacing: .16em; font-size: clamp(1rem, 3vh, 2.4rem); color: var(--gold); }
.qrover__url { margin: 0; font-family: var(--label); letter-spacing: .08em; font-size: clamp(.8rem, 2.2vh, 1.8rem); color: rgba(255,255,255,.75); }

/* petals + progress */
.petals { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 5; }
.petal { position: absolute; top: -30px; width: var(--s); height: calc(var(--s) * 1.45); background: var(--c); opacity: 0; border-radius: 150% 0 150% 0; animation: fall var(--d) linear var(--delay) infinite; }
.prog { position: fixed; left: 0; bottom: 0; height: 3px; width: 0; background: linear-gradient(90deg, var(--copper), var(--gold)); z-index: 30; animation: prog var(--pdur, 7s) linear forwards; }
/* pausing freezes the slow zoom, progress bar and petals (entrance animations still finish) */
body.paused .slide--scene .row, body.paused .slide--scene .bg, body.paused .slide--scene::before, body.paused .prog, body.paused .petal { animation-play-state: paused !important; }

/* controls */
.back { position: fixed; left: 2vw; top: 2.4vh; z-index: 40; color: rgba(255,255,255,.85); text-decoration: none; font-family: var(--label); font-size: .78rem; letter-spacing: .15em; text-transform: uppercase; padding: 10px 16px; border-radius: 99px; background: rgba(13,16,26,.6); border: 1px solid rgba(255,255,255,.14); backdrop-filter: blur(10px); transition: opacity .5s; }
.ctl { position: fixed; left: 50%; bottom: 3vh; transform: translateX(-50%); z-index: 40; display: flex; align-items: center; gap: 4px; padding: 6px 12px; border-radius: 99px; background: rgba(13,16,26,.72); border: 1px solid rgba(255,255,255,.14); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); transition: opacity .5s, transform .5s var(--ease); }
.ctl button { width: 44px; height: 44px; border-radius: 50%; border: 0; background: transparent; color: #fff; font-size: 1rem; cursor: pointer; transition: background .2s; }
.ctl button:hover { background: rgba(255,255,255,.14); }
.ctl button[hidden] { display: none; }
.ctl button.on { color: var(--gold); }
.ctl__count { font-family: var(--label); font-size: .75rem; letter-spacing: .12em; padding: 0 10px; color: rgba(255,255,255,.75); white-space: nowrap; }
body.idle .ctl { opacity: 0; transform: translate(-50%, 14px); pointer-events: none; }
body.idle .back { opacity: 0; pointer-events: none; }
body:not(.started) .ctl, body:not(.started) .back, body:not(.started) .dock { display: none; }

.panel { position: fixed; left: 50%; bottom: calc(3vh + 70px); transform: translateX(-50%); z-index: 45; width: min(92vw, 400px); padding: 18px 20px; border-radius: 16px; background: rgba(13,16,26,.9); border: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(16px); font-family: system-ui, -apple-system, "Segoe UI", sans-serif; font-size: .95rem; }
.panel[hidden] { display: none; }
.panel h2 { margin: 0 0 12px; font-family: var(--serif); font-size: 1.4rem; font-weight: 500; }
.panel .row { display: grid; gap: 6px; margin-bottom: 12px; }
.panel .row span { display: flex; justify-content: space-between; }
.panel select { padding: 8px; border-radius: 8px; border: 1px solid rgba(255,255,255,.2); background: #1b2238; color: #fff; }
.panel input[type=range] { width: 100%; accent-color: var(--copper); }
.chk { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; cursor: pointer; }
.chk input { width: 18px; height: 18px; accent-color: var(--copper); }
.hint { margin: 10px 0 0; color: rgba(255,255,255,.55); font-size: .8rem; line-height: 1.5; }

/* start overlay */
.start { position: fixed; inset: 0; z-index: 70; display: grid; place-items: center; padding: 20px; overflow: auto; background: radial-gradient(900px 600px at 50% 30%, #26304d, #0d101a 70%); transition: opacity .9s ease, visibility .9s; }
.start.gone { opacity: 0; visibility: hidden; pointer-events: none; }
.start__card { width: min(92vw, 620px); text-align: center; }
.start__ring { position: relative; width: 120px; height: 120px; margin: 0 auto 22px; }
.start__ring::before, .start__ring::after { content: ""; position: absolute; inset: -9px; border-radius: 50%; border: 1px solid rgba(214,168,131,.5); animation: ring 5s ease-in-out infinite; }
.start__ring::after { inset: -19px; border-color: rgba(185,178,214,.4); animation-delay: 1.3s; }
.start__ring img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; display: block; }
.start .label { color: var(--copper); }
.start h1 { margin: 6px 0 4px; font-size: clamp(2rem, 7vw, 3.6rem); font-weight: 500; text-transform: uppercase; letter-spacing: .05em; }
.start__stats { margin: 0 0 18px; color: rgba(244,241,234,.78); font-size: 1.2rem; font-style: italic; }
.chk--music { justify-content: center; font-family: system-ui, sans-serif; font-size: .95rem; margin-bottom: 14px; }
.start__btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.sbtn { padding: 15px 26px; border-radius: 99px; border: 1px solid rgba(255,255,255,.35); background: transparent; color: #fff; font-family: var(--label); letter-spacing: .14em; text-transform: uppercase; font-size: .85rem; cursor: pointer; transition: transform .25s var(--ease), background .25s, box-shadow .25s; }
.sbtn:hover { transform: translateY(-2px); background: rgba(255,255,255,.1); }
.sbtn--main { background: linear-gradient(135deg, #d6a883, #c08a62); border-color: transparent; color: #1b1410; font-weight: 600; box-shadow: 0 10px 30px rgba(214,168,131,.3); }
.sbtn--main:hover { background: linear-gradient(135deg, #e3b894, #cf9a72); }
.start__tip { margin: 22px auto 0; max-width: 34em; font-size: 1rem; line-height: 1.55; color: rgba(244,241,234,.62); }
.start__err { color: #ffb4a8; margin-top: 14px; }

/* chapter cards */
.ch-name { font-size: clamp(3rem, 11vw, 12rem) !important; }
.ch-rule { display: block; width: 14vw; height: 1px; background: linear-gradient(90deg, transparent, var(--card-accent), transparent); opacity: 0; margin: .6vh 0 2vh; }
.ch-fan { position: relative; height: 26vh; width: 40vw; opacity: 0; }
.ch-card { position: absolute; top: 0; left: 50%; height: 100%; aspect-ratio: 3 / 4; background-size: cover; background-position: center; border: .8vh solid #f7f2e8; border-radius: .4vh; box-shadow: 0 1.6vh 5vh rgba(0,0,0,.4); transform: translateX(-50%) translateX(calc((var(--i) - (var(--c) - 1) / 2) * 11vh)) rotate(calc((var(--i) - (var(--c) - 1) / 2) * 7deg)); }

/* big share slide */
.share { position: absolute; inset: 0; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 5vw; padding: 0 7vw 0 8vw; }
.share__text .label { font-size: clamp(.8rem, 1.8vh, 1.6rem); opacity: 0; }
.share__text h2 { margin: 1.4vh 0 3vh; font-weight: 500; line-height: 1.1; font-size: clamp(2rem, 7.4vh, 7rem); opacity: 0; }
.share__how { margin: 0; font-style: italic; font-size: clamp(1.1rem, 3.4vh, 3rem); color: var(--card-accent); opacity: 0; }
.share__url { margin: 2.4vh 0 0; font-family: var(--label); letter-spacing: .08em; font-size: clamp(.8rem, 2.2vh, 2rem); color: var(--card-soft); opacity: 0; word-break: break-all; }
.share__qr { width: min(70vh, 42vw); aspect-ratio: 1; background: #fff; padding: 1.8vh; border-radius: 2.6vh; opacity: 0; box-shadow: 0 0 0 .6vh rgba(232,207,155,.75), 0 0 12vh rgba(232,207,155,.35); }
.share__qr svg { display: block; width: 100%; height: 100%; }

/* ---------- keyframes ---------- */
@keyframes flIn { from { opacity: 0; transform: scale(.85); } to { opacity: 1; transform: none; } }
@keyframes flInDark { from { opacity: 0; transform: scale(.85); } to { opacity: .4; transform: none; } }
@keyframes sway { from { transform: rotate(-1.5deg) scale(1); } to { transform: rotate(1.8deg) scale(1.03); } }
@keyframes letterIn { from { opacity: 0; transform: translateY(.55em) rotate(2deg); filter: blur(6px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes riseScale { from { opacity: 0; transform: translateY(26px) scale(.93); } to { opacity: 1; transform: none; } }
@keyframes wordIn { from { opacity: 0; transform: translateY(.4em); filter: blur(7px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes markIn { from { opacity: 0; transform: scale(.7); } to { opacity: .5; transform: none; } }
@keyframes capIn { to { opacity: 1; transform: none; } }
@keyframes markFade { to { opacity: 1; } }
@keyframes kb0 { from { transform: scale(1); } to { transform: scale(1.05); } }
@keyframes kb1 { from { transform: scale(1.05); } to { transform: scale(1); } }
@keyframes kb2 { from { transform: scale(1.03) translateX(-1.2%); } to { transform: scale(1.03) translateX(1.2%); } }
@keyframes kb3 { from { transform: scale(1.03) translate(1.2%, .8%); } to { transform: scale(1.03) translate(-1.2%, -.8%); } }
@keyframes trZoom { from { transform: scale(1.06); } to { transform: none; } }
@keyframes trSlide { from { transform: translateX(4vw); } to { transform: none; } }
@keyframes trRise { from { transform: translateY(3.5vh); } to { transform: none; } }
@keyframes frIn { from { opacity: 0; transform: translateY(calc(var(--lift, 0px) + 5vh)) rotate(calc(var(--rot, 0deg) - 2deg)) scale(.93); } to { opacity: 1; transform: translateY(var(--lift, 0px)) rotate(var(--rot, 0deg)); } }
@keyframes leak { from { transform: translate(-3%, 2%) scale(1); } to { transform: translate(4%, -3%) scale(1.15); } }
@keyframes bgdrift { from { transform: scale(1.1) translate(0, 0); } to { transform: scale(1.18) translate(-1.5%, 1%); } }
@keyframes fall { 0% { transform: translate3d(0, -40px, 0) rotate(0); opacity: 0; } 10% { opacity: .65; } 90% { opacity: .5; } 100% { transform: translate3d(var(--x), 112vh, 0) rotate(560deg); opacity: 0; } }
@keyframes prog { from { width: 0; } to { width: 100%; } }
@keyframes ring { 0%, 100% { transform: scale(1); opacity: .95; } 50% { transform: scale(1.05); opacity: .3; } }
@keyframes flicker { 0%, 100% { transform: scale(1, 1) rotate(-1deg); } 20% { transform: scale(.93, 1.07) rotate(1.8deg); } 45% { transform: scale(1.05, .95) rotate(-1.4deg); } 70% { transform: scale(.96, 1.05) rotate(1deg); } }
@keyframes qrpulse { 0%, 100% { box-shadow: 0 0 0 .6vh rgba(232,207,155,.75), 0 0 10vh rgba(232,207,155,.3); } 50% { box-shadow: 0 0 0 .9vh rgba(232,207,155,1), 0 0 16vh rgba(232,207,155,.5); } }
@keyframes glow { 0%, 100% { opacity: .8; transform: scale(1); } 50% { opacity: 1; transform: scale(1.08); } }
@keyframes popIn { from { opacity: 0; transform: scale(.85); } to { opacity: 1; transform: none; } }

/* slide-in choreography (runs when .slide gets .in) */
.slide.tr1.in { animation: trZoom 2.2s var(--ease) both; }
.slide.tr2.in { animation: trSlide 2s var(--ease) both; }
.slide.tr3.in { animation: trRise 2s var(--ease) both; }
.slide--scene.in .bg { animation: bgdrift var(--dur, 9s) ease-in-out forwards; }
.slide--scene.in::before { opacity: 1; animation: leak 16s ease-in-out infinite alternate; transition: opacity 2s; }
.slide--scene.kb0.in .row { animation: kb0 var(--dur, 9s) ease-in-out forwards; }
.slide--scene.kb1.in .row { animation: kb1 var(--dur, 9s) ease-in-out forwards; }
.slide--scene.kb2.in .row { animation: kb2 var(--dur, 9s) ease-in-out forwards; }
.slide--scene.kb3.in .row { animation: kb3 var(--dur, 9s) ease-in-out forwards; }
.slide--scene.in .fr { animation: frIn 1.4s var(--ease) calc(.45s + var(--k) * .55s) forwards; }
.slide--scene.in .mark { animation: markFade 1.6s ease .8s forwards; }
.slide--scene.in .cap { animation: capIn 1.2s var(--ease) 1.1s forwards; }

.slide--chapter.in .t-eyebrow { animation: rise 1.1s var(--ease) .3s forwards; opacity: 0; }
.slide--chapter.in .name-letter { animation: letterIn .9s var(--ease) calc(.7s + var(--n) * 70ms) forwards; }
.slide--chapter.in .ch-rule { animation: rise 1s var(--ease) 1.8s forwards; }
.slide--chapter.in .ch-fan { animation: riseScale 1.3s var(--ease) 2.1s forwards; }
.slide--share.in .share__text .label { animation: rise 1s var(--ease) .4s forwards; }
.slide--share.in .share__text h2 { animation: rise 1.2s var(--ease) .7s forwards; }
.slide--share.in .share__how { animation: rise 1.1s var(--ease) 1.5s forwards; }
.slide--share.in .share__url { animation: rise 1.1s var(--ease) 1.9s forwards; }
.slide--share.in .share__qr { animation: popIn 1.1s var(--ease) 1s forwards, qrpulse 3.2s ease-in-out 2.2s infinite; }

.slide--title.in .t-eyebrow { animation: rise 1.1s var(--ease) .3s forwards; opacity: 0; }
.slide--title.in .portrait-wrap { animation: riseScale 1.4s var(--ease) .5s forwards; }
.slide--title.in .name-letter { animation: letterIn .9s var(--ease) calc(1s + var(--n) * 60ms) forwards; }
.slide--title.in .t-fade { animation: rise 1.1s var(--ease) 2.3s forwards; }
.slide--title.in .t-age { animation: rise 1.1s var(--ease) 2.6s forwards; }
.slide--thanks.in .qrcard--big { animation: popIn 1s var(--ease) 2.6s forwards; }
.slide--msg.in .msg__mark { animation: markIn 1.4s var(--ease) .5s forwards; }
.slide--msg.in .w { animation: wordIn 1s var(--ease) calc(1s + var(--i) * var(--step, 70ms)) forwards; }
.slide--msg.in .msg__by { animation: rise 1.2s var(--ease) calc(1.3s + var(--n) * var(--step, 70ms)) forwards; }
.slide--thanks.in .candle { animation: popIn 1.4s var(--ease) .4s forwards; }
.slide--thanks.in h2 { animation: rise 1.3s var(--ease) 1.2s forwards; }
.slide--thanks.in p { animation: rise 1.2s var(--ease) 2s forwards; }

@media (prefers-reduced-motion: reduce) {
  .petals { display: none; }
  .slide--scene.in .row, .slide--scene.in .bg, .slide--scene.in::before { animation: none; }
  .slide--scene.in .fr { animation: none; opacity: 1; }
  .slide.tr1.in, .slide.tr2.in, .slide.tr3.in { animation: none; }
  .share__qr { animation: none !important; opacity: 1; }
}
@media (max-aspect-ratio: 1/1) {
  body { --qr: min(34vw, 20vh); --dockw: calc(var(--qr) + 3.4vh); }
  body.qr-on .area { right: 3vw; bottom: calc(5vh + var(--qr) + 12vh); }
  .dock { top: auto; bottom: 2.5vh; right: 50%; transform: translateX(50%) translateY(24px); }
  body[data-slide="scene"].qr-on .dock { transform: translateX(50%); }
  .share { grid-template-columns: 1fr; justify-items: center; text-align: center; padding: 4vh 6vw; align-content: center; }
  .share__qr { width: min(60vw, 40vh); }
}
@media (max-width: 640px) {
  .ctl__count { display: none; }
  .msg { padding: 6vh 8vw; }
}