:root{--cream:#f6ecd9;--paper:#fbf5e8;--red:#7a1523;--maroon:#5a0f1b;--gold:#b08a3e;--ink:#3b1a1a;
 --hd:'Tiro Gurmukhi','Noto Serif Gurmukhi',serif;--bd:'Mukta Mahee',system-ui,sans-serif;--gb:'Noto Serif Gurmukhi',serif}
*{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--cream);color:var(--ink);font-family:var(--bd);font-size:19px;line-height:1.6;
 padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);overflow-x:hidden}
body.locked{overflow:hidden;height:100svh}
h1,h2,.ik{font-family:var(--hd);font-weight:400;color:var(--red);line-height:1.35}
.ik{font-family:var(--gb);font-size:2.4rem;color:var(--gold)}

/* cover */
#cover{position:fixed;inset:0;z-index:50;display:grid;place-items:center;background:var(--cream);transition:opacity .9s .5s,visibility 0s 1.4s}
#cover.go{opacity:0;visibility:hidden}
.card{position:relative;width:min(84vw,380px);aspect-ratio:3/4.4;perspective:1400px}
.face{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;text-align:center;padding:1.5rem;
 background:var(--paper);border:2px solid var(--gold);outline:1px solid var(--gold);outline-offset:-9px;border-radius:6px;
 box-shadow:0 18px 50px rgba(90,15,27,.22);transition:opacity .4s .55s}
.card.go .face{opacity:0}
.card h1{font-size:2.6rem}
.orn{width:56%;height:10px;border-top:1px solid var(--gold);border-bottom:1px solid var(--gold);margin:.6rem 0}
.sm{font-size:.95rem;opacity:.85}
#open{margin-top:1.2rem;font:inherit;font-family:var(--hd);font-size:1.5rem;padding:.55rem 2.6rem;border:0;border-radius:40px;
 background:var(--red);color:var(--paper);box-shadow:0 6px 18px rgba(122,21,35,.35);cursor:pointer;animation:pulse 2.2s infinite}
@keyframes pulse{50%{transform:scale(1.05)}}
.half{pointer-events:none;position:absolute;top:0;bottom:0;width:50%;z-index:2;background:var(--paper);border:2px solid var(--gold);opacity:0;
 transition:transform 1.1s cubic-bezier(.6,0,.2,1)}
.half.l{left:0;transform-origin:left;border-right:0;border-radius:6px 0 0 6px}
.half.r{right:0;transform-origin:right;border-left:0;border-radius:0 6px 6px 0}
.card.go .half{opacity:1}
.card.go .l{transform:rotateY(-115deg)}
.card.go .r{transform:rotateY(115deg)}

/* sound + gurbani */
#snd{position:fixed;top:calc(12px + env(safe-area-inset-top));right:calc(12px + env(safe-area-inset-right));z-index:40;width:44px;height:44px;border-radius:50%;
 border:1px solid var(--gold);background:rgba(251,245,232,.85);color:var(--red);font-size:1.3rem;cursor:pointer;backdrop-filter:blur(6px)}
#snd.off{opacity:.55;text-decoration:line-through}
#gb{position:fixed;left:0;right:0;bottom:0;z-index:30;text-align:center;pointer-events:none;font-family:var(--gb);font-size:.95rem;line-height:1.5;color:var(--paper);
 padding:2.2rem 16px calc(14px + env(safe-area-inset-bottom));background:linear-gradient(transparent,rgba(58,12,20,.72));opacity:0;transition:opacity .6s;white-space:pre-line}
#gb.on{opacity:1}

/* sections */
section{position:relative}
.txt{position:absolute;left:0;right:0;z-index:5;text-align:center;padding:0 1.4rem}
.txt.top{top:calc(9svh + env(safe-area-inset-top))}
.big{font-size:clamp(1.9rem,8.4vw,3rem)}
.when{font-family:var(--hd);font-size:1.45rem;color:var(--maroon);margin:.5rem 0}
.txt p{margin:.5rem auto;max-width:30rem}
.hint{font-size:.9rem;opacity:.7;margin-top:1rem;animation:bob 2s infinite}
@keyframes bob{50%{transform:translateY(6px)}}
.map{display:inline-block;margin-top:.6rem;padding:.35rem 1.2rem;border:1px solid var(--gold);border-radius:30px;color:var(--red);text-decoration:none;font-size:.95rem;background:rgba(251,245,232,.7)}

/* scrub */
.scrub{height:260svh}
.stick{position:sticky;top:0;height:100svh;overflow:hidden;background:var(--cream)}
.stick canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.scrub .txt{opacity:0;transform:translateY(14px);transition:opacity .9s,transform .9s}
.scrub .txt.on,.scrub .txt.rv.on{opacity:1;transform:none}
.scrub:first-child .txt{opacity:1;transform:none;transition:opacity .9s}
.scrub:first-child .txt.off{opacity:0}
.night .txt h2,.night .txt .when{color:#f3dfa6}.night .txt p,.night .txt .sm{color:#f6ecd9}
.night .map{background:rgba(20,18,50,.5);color:#f3dfa6}

/* still */
.still{height:100svh;overflow:hidden;background:var(--cream)}
.still .bg{position:absolute;inset:-6% 0;background:var(--bg) center bottom/cover no-repeat;will-change:transform}
.still.hands::after{content:"";position:absolute;inset:0 0 40% 0;background:linear-gradient(var(--cream) 35%,transparent);z-index:1}
.still .txt{opacity:0;transform:translateY(14px);transition:opacity 1s,transform 1s}
.still .txt.on{opacity:1;transform:none}

/* rsvp + footer */
#rsvp{padding:12svh 1.4rem 8svh;background:var(--cream)}
#rf{max-width:26rem;margin:0 auto;display:flex;flex-direction:column;gap:.9rem;text-align:center}
.opts{display:flex;flex-direction:column;gap:.6rem}
.opts label{cursor:pointer}.opts input{position:absolute;opacity:0}
.opts span{display:block;padding:.6rem;border:1px solid var(--gold);border-radius:12px;background:var(--paper);transition:.2s}
.opts input:checked+span{background:var(--red);color:var(--paper);border-color:var(--red)}
#rf input[name]:not([type=radio]){font:inherit;padding:.75rem 1rem;border:1px solid var(--gold);border-radius:12px;background:var(--paper);color:var(--ink);width:100%}
#rf button{font-family:var(--hd);font-size:1.4rem;padding:.7rem;border:0;border-radius:40px;background:var(--red);color:var(--paper);cursor:pointer}
#msg{min-height:1.6em;font-size:.95rem;color:var(--maroon)}
footer{padding:3rem 1.4rem calc(3rem + env(safe-area-inset-bottom));text-align:center;background:var(--maroon);color:var(--paper);font-size:.95rem}
footer .by{font-size:1.1rem;margin-bottom:.4rem}
footer b{color:#e5c474;font-weight:600}
.wa{display:inline-block;margin-top:1rem;padding:.6rem 1.6rem;border-radius:40px;background:#e5c474;color:var(--maroon);text-decoration:none;font-weight:600}
/* gurbani band must not cover the footer ad */
@media (prefers-reduced-motion:reduce){#open,.hint{animation:none}.still .bg{inset:0}}