:root{--paper-bg: #f9f6ef;--paper-cream: #f4eee1;--paper-warm: #eee5d3;--paper-card: rgba(253, 250, 244, .92);--paper-border: rgba(140, 110, 90, .16);--ink-primary: #2b231d;--ink-secondary: #58493f;--ink-muted: #8c7b70;--terracotta: #c97a5d;--warm-gold: #cfa151;--soft-rose: #df989f;--shadow-paper: 0 10px 30px rgba(60, 42, 28, .08), 0 1px 3px rgba(60, 42, 28, .05);--shadow-sticker: 0 6px 18px rgba(60, 42, 28, .16);--shadow-lift: 0 14px 36px rgba(60, 42, 28, .12);--font-excon: "Excon", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;height:100dvh;overflow:hidden;background:var(--paper-bg);background-image:radial-gradient(circle at 15% 15%,rgba(246,200,159,.25) 0%,transparent 45%),radial-gradient(circle at 85% 85%,rgba(223,152,159,.2) 0%,transparent 50%),linear-gradient(135deg,#fdfaf4,#f6f0e4,#eee4d2);color:var(--ink-primary);font-family:var(--font-excon);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;user-select:none;touch-action:manipulation}.experience{position:relative;width:100vw;height:100dvh;overflow:hidden}.experience:has(.celebration-paper-scene.active) .cinema-wrapper,.experience:has(.celebration-paper-scene.active) .story-progress{display:none}.story-progress{position:fixed;top:0;left:0;width:100%;height:3px;background:#8c6e5a1f;z-index:25;pointer-events:none}.story-progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--soft-rose),var(--terracotta),var(--warm-gold));transition:width .1s linear;will-change:width}.sound-toggle{position:fixed;top:1.25rem;right:1.25rem;z-index:30;width:38px;height:38px;border-radius:50%;background:var(--paper-card);border:1px solid var(--paper-border);color:var(--ink-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-paper);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:all .2s ease}.sound-toggle:hover{transform:scale(1.06);color:var(--terracotta);border-color:#c97a5d59}.hidden{display:none!important}.cinema-wrapper{position:fixed;inset:0;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1.5rem;gap:1.4rem;pointer-events:none}.cinema-stage{position:relative;width:100%;max-width:145dvh;aspect-ratio:16 / 9;max-height:72dvh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#181412;border-radius:18px;box-shadow:0 16px 50px #3c2a1c38,0 2px 10px #3c2a1c1a;border:2px solid rgba(255,255,255,.5);flex-shrink:0}.cinema-stage video{width:100%;height:100%;object-fit:cover;display:block}.cinema-shade{position:absolute;inset:0;background:linear-gradient(180deg,#140f0c26,#140f0c00 30%,#140f0c26 70%,#140f0c59);pointer-events:none}.subtitle-layer{position:relative;width:min(92%,40rem);min-height:5.2rem;display:flex;align-items:center;justify-content:center;pointer-events:none;flex-shrink:0}.subtitle{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;opacity:0;visibility:hidden;transition:opacity .3s ease,transform .3s ease;will-change:opacity,transform}.subtitle p{margin:0;font-family:var(--font-excon);font-size:clamp(1.15rem,3vw,1.55rem);font-weight:600;line-height:1.35;color:var(--ink-primary);text-shadow:0 1px 1px rgba(255,255,255,.7);text-wrap:balance}.subtitle span{display:block;margin-top:.35rem;font-family:var(--font-excon);font-size:clamp(.92rem,2.2vw,1.15rem);font-weight:400;line-height:1.45;color:var(--ink-secondary);text-wrap:balance}.paper-screen{position:fixed;inset:0;z-index:40;display:none;align-items:center;justify-content:center;background:radial-gradient(circle at center,#fdfaf4,#f6eee0 60%,#ede1cc);opacity:0;pointer-events:none;transition:opacity .5s cubic-bezier(.16,1,.3,1)}.paper-screen.active{display:flex;opacity:1;pointer-events:auto}.welcome-center{display:flex;flex-direction:column;align-items:center;text-align:center;padding:2rem}.welcome-title{margin:0 0 2.2rem;font-size:clamp(3.2rem,10vw,5.5rem);font-weight:300;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-primary);text-shadow:0 2px 20px rgba(140,110,90,.15)}.btn-enter-warm{display:inline-flex;align-items:center;gap:.75rem;padding:.95rem 2.8rem;font-family:var(--font-excon);font-size:1.1rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:linear-gradient(135deg,#c97a5d,#b8694d);border:none;border-radius:9999px;cursor:pointer;box-shadow:0 10px 28px #c97a5d59;transition:transform .2s ease,box-shadow .2s ease}.btn-enter-warm:hover{transform:translateY(-2px) scale(1.04);box-shadow:0 14px 36px #c97a5d73}.btn-enter-warm:active{transform:translateY(1px) scale(.98)}.rotate-screen{position:fixed;inset:0;z-index:38;display:none;align-items:center;justify-content:center;background:#f9f6eff5;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);opacity:0;pointer-events:none;transition:opacity .4s ease;padding:1.5rem}.rotate-screen.active{display:flex;opacity:1;pointer-events:auto}.rotate-card{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:20rem}.rotate-icon{color:var(--terracotta);margin-bottom:1.2rem;animation:phone-turn 3s ease-in-out infinite}@keyframes phone-turn{0%,15%{transform:rotate(0)}50%,65%{transform:rotate(90deg)}90%,to{transform:rotate(0)}}.rotate-text{margin:0 0 1.6rem;font-size:1.05rem;font-weight:500;color:var(--ink-primary);line-height:1.45}.rotate-btns{display:flex;flex-direction:column;gap:.75rem;width:100%}.btn-primary-warm{padding:.85rem 1.8rem;font-family:var(--font-excon);font-size:.92rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:linear-gradient(135deg,#c97a5d,#b8694d);border:none;border-radius:9999px;cursor:pointer;box-shadow:0 8px 24px #c97a5d4d}.btn-text-warm{background:transparent;border:1px solid var(--paper-border);color:var(--ink-secondary);border-radius:9999px;padding:.7rem 1.2rem;font-family:var(--font-excon);font-size:.82rem;cursor:pointer}.celebration-paper-scene{position:fixed;inset:0;z-index:35;background-color:#fbf8f1;background-image:radial-gradient(circle at 15% 15%,rgba(246,200,159,.3) 0%,transparent 45%),radial-gradient(circle at 85% 85%,rgba(223,152,159,.25) 0%,transparent 50%),linear-gradient(135deg,#fdfaf4,#f7efe1 55%,#ede2cb);opacity:0;pointer-events:none;transition:opacity 1s cubic-bezier(.16,1,.3,1);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;scroll-behavior:smooth}.celebration-paper-scene.active{opacity:1;pointer-events:auto}.confetti-canvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}.paper-stickers-bg{position:absolute;inset:0;pointer-events:none;z-index:2}.celebration-scroll-wrap{position:relative;z-index:5;display:flex;flex-direction:column;align-items:center;width:100%;min-height:100%;padding:2.5rem 1.2rem 6rem}.celebration-center{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;width:100%;max-width:min(92vw,36rem);min-height:calc(100dvh - 5rem);justify-content:center;transform:scale(.95);transition:transform .9s cubic-bezier(.16,1,.3,1)}.celebration-paper-scene.active .celebration-center{transform:scale(1)}.sticker-hb-main{width:100%;max-width:clamp(250px,44vw,350px);margin-bottom:.3rem;animation:sticker-hover 4.5s ease-in-out infinite}.sticker-hb-main img{width:100%;height:auto;display:block;filter:drop-shadow(0 8px 18px rgba(60,42,28,.16))}.cake-wrap{position:relative;width:clamp(110px,18vw,155px);margin:.2rem 0 .8rem;animation:cake-gentle 4s ease-in-out infinite}.cake-img{width:100%;height:auto;display:block;filter:drop-shadow(0 10px 20px rgba(60,42,28,.18))}.candle-glow{position:absolute;top:6%;left:50%;transform:translate(-50%);width:90px;height:50px;background:radial-gradient(ellipse at center,rgba(246,200,159,.9),rgba(207,161,81,.35),transparent 70%);border-radius:50%;filter:blur(10px);animation:flame-pulse 2s ease-in-out infinite alternate;pointer-events:none}@keyframes flame-pulse{0%{transform:translate(-50%) scale(.92);opacity:.75}to{transform:translate(-50%) scale(1.08);opacity:1}}@keyframes sticker-hover{0%,to{transform:translateY(0)}50%{transform:translateY(-7px)}}@keyframes cake-gentle{0%,to{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-5px) rotate(1deg)}}.wish-text h2{margin:0;font-size:clamp(1.3rem,3.4vw,1.85rem);font-weight:600;letter-spacing:.02em;color:var(--ink-primary)}.wish-text p{margin:.5rem 0 1.4rem;font-size:clamp(.9rem,2.2vw,1.1rem);font-weight:400;line-height:1.55;color:var(--ink-secondary);max-width:30rem;text-wrap:balance}.btn-replay-warm{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1.4rem;background:var(--paper-card);border:1px solid var(--paper-border);border-radius:9999px;color:var(--ink-primary);font-family:var(--font-excon);font-size:.85rem;font-weight:500;cursor:pointer;box-shadow:var(--shadow-paper);transition:all .2s ease}.btn-replay-warm:hover{background:#fff;color:var(--terracotta);transform:translateY(-2px);box-shadow:var(--shadow-lift)}.scroll-indicator{margin-top:2rem;color:var(--terracotta);opacity:.75;animation:bounce-arrow 2.2s infinite ease-in-out}.scroll-arrow{display:inline-block;font-size:1.35rem;font-weight:600}@keyframes bounce-arrow{0%,to{transform:translateY(0);opacity:.5}50%{transform:translateY(8px);opacity:1}}.letter-section{width:100%;max-width:36rem;margin:2rem auto}.letter-paper{background:#ffffffbf;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1.5px solid rgba(140,110,90,.18);border-radius:24px;padding:clamp(2rem,5vw,3rem) clamp(1.5rem,4vw,2.5rem);box-shadow:0 16px 45px #3c2a1c14,0 2px 6px #3c2a1c0a}.letter-paper p{font-family:var(--font-excon);font-size:clamp(.98rem,2.4vw,1.12rem);font-weight:400;line-height:1.85;color:var(--ink-primary);margin:0 0 1.5rem;text-wrap:pretty}.letter-paper p:last-child{margin-bottom:0}.letter-signature{font-size:clamp(1.1rem,2.8vw,1.3rem)!important;font-weight:600!important;color:var(--ink-primary)!important;margin-top:2.2rem!important;letter-spacing:.02em}.paper-sticker{position:absolute;z-index:2;pointer-events:none;filter:drop-shadow(0 6px 16px rgba(60,42,28,.14))}.paper-sticker img{width:100%;height:auto;display:block}.sticker-balloons{top:5%;left:4%;width:clamp(75px,13vw,145px);animation:float-balloons 6s ease-in-out infinite}@keyframes float-balloons{0%,to{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-14px) rotate(4deg)}}.sticker-bouquet{top:6%;right:5%;width:clamp(70px,12vw,135px);animation:sway-bouquet 5s ease-in-out infinite}@keyframes sway-bouquet{0%,to{transform:rotate(4deg)}50%{transform:rotate(-4deg) scale(1.03)}}.sticker-popper{bottom:5%;left:5%;width:clamp(70px,12vw,135px);animation:pop-tilt 4.5s ease-in-out infinite}@keyframes pop-tilt{0%,to{transform:rotate(-8deg)}50%{transform:rotate(4deg) translateY(-6px)}}.sticker-party-hat{top:4%;left:48%;transform:translate(-50%);width:clamp(55px,8vw,90px)}.sticker-gift-pink{bottom:6%;right:5%;width:clamp(65px,10vw,115px);animation:gift-float 5s ease-in-out infinite}.sticker-gift-black{bottom:5%;right:16%;width:clamp(60px,9vw,105px);animation:gift-float 4.6s ease-in-out infinite reverse}@keyframes gift-float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.sticker-note{top:36%;right:4%;width:clamp(70px,11vw,125px);transform:rotate(8deg)}.sticker-bow{bottom:5%;left:20%;width:clamp(60px,9vw,100px)}.sticker-heart-pink{bottom:22%;left:7%;width:clamp(38px,6vw,65px);animation:heart-pulse 2.8s ease-in-out infinite}@keyframes heart-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}.sticker-heart-1{top:25%;left:17%;width:clamp(28px,4vw,45px)}.sticker-heart-2{top:28%;right:18%;width:clamp(28px,4vw,45px)}.sticker-star-1{top:18%;left:28%;width:clamp(26px,3.5vw,40px);animation:star-sparkle 3s ease-in-out infinite}.sticker-star-2{bottom:28%;right:25%;width:clamp(26px,3.5vw,40px);animation:star-sparkle 3.4s ease-in-out infinite .5s}@keyframes star-sparkle{0%,to{transform:scale(1);opacity:.75}50%{transform:scale(1.15);opacity:1;filter:drop-shadow(0 0 6px rgba(207,161,81,.4))}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:640px){.cinema-wrapper{padding:1rem .8rem;gap:1.2rem;justify-content:center}.cinema-stage{width:100%;aspect-ratio:16 / 9;max-height:44vh;border-radius:14px}.subtitle-layer{width:100%;min-height:4.8rem;margin-top:.2rem}.subtitle p{font-size:1.12rem;line-height:1.4}.subtitle span{font-size:.92rem;line-height:1.45;margin-top:.3rem}.sticker-note,.sticker-bow,.sticker-party-hat,.sticker-gift-black,.sticker-heart-pink,.sticker-heart-1,.sticker-heart-2,.sticker-star-1,.sticker-star-2{display:none!important}.welcome-title{margin-bottom:1.8rem;font-size:2.8rem}.cake-wrap{width:100px}}