*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--rose:#e8536a;--cream:#fdf6f0;--dark:#2c1a1a;--shadow:0 8px 40px rgba(232,83,106,.18)}
html,body{height:100%;font-family:'Lato',sans-serif;background:var(--cream);color:var(--dark);overflow:hidden}
.screen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .5s ease,transform .5s cubic-bezier(.4,0,.2,1);z-index:1;overflow-y:auto;padding:60px 80px}
.screen.active{opacity:1;pointer-events:all;z-index:10}
.slide-from-right{transform:translateX(50px);opacity:0}.slide-from-left{transform:translateX(-50px);opacity:0}
.slide-to-left{transform:translateX(-50px);opacity:0}.slide-to-right{transform:translateX(50px);opacity:0}
.fade-in{animation:fadeIn .8s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.hidden{display:none!important}

/* Start */
.start-screen{background:linear-gradient(160deg,#fdf0f3,#fff5e6)}
.hearts-float{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.heart-float-el{position:absolute;animation:floatUp linear infinite;opacity:.6}
@keyframes floatUp{0%{transform:translateY(0) rotate(0deg);opacity:.6}100%{transform:translateY(-110vh) rotate(30deg);opacity:0}}
.start-center{text-align:center;position:relative;z-index:1}
.anni-icon{font-size:5rem;margin-bottom:12px;animation:heartbeat 1.2s ease-in-out infinite}
@keyframes heartbeat{0%,100%{transform:scale(1)}14%{transform:scale(1.2)}28%{transform:scale(1)}42%{transform:scale(1.15)}70%{transform:scale(1)}}
.anni-sub{font-size:.85rem;letter-spacing:3px;text-transform:uppercase;color:#aaa;margin-bottom:8px}
.anni-names{font-family:'Playfair Display',serif;font-size:2.8rem;color:var(--dark);margin-bottom:12px}
.anni-counter{font-family:'Playfair Display',serif;font-size:1.2rem;color:var(--rose);margin-bottom:32px}

/* Content */
.content-box{background:#fff;border-radius:20px;padding:48px 40px;max-width:700px;width:100%;box-shadow:var(--shadow);text-align:center;max-height:calc(100vh - 80px);overflow-y:auto}
.quote-icon{font-size:3rem;margin-bottom:16px}
.intro-quote{font-family:'Playfair Display',serif;font-size:1.5rem;line-height:1.7;color:var(--dark);font-style:italic;margin-bottom:32px}

/* Timeline */
.timeline-screen{overflow:hidden;padding:0;align-items:flex-end;padding-bottom:80px}
.timeline-container{display:flex;align-items:center;gap:0;overflow-x:auto;overflow-y:hidden;padding:60px 80px 20px;min-height:420px;width:100%;cursor:grab;user-select:none;scrollbar-width:none}
.timeline-container::-webkit-scrollbar{display:none}
.timeline-container.grabbing{cursor:grabbing}
.timeline-line{position:absolute;top:50%;left:0;height:2px;background:linear-gradient(90deg,transparent,var(--rose) 10%,var(--rose) 90%,transparent);width:100%;transform:translateY(-50%);pointer-events:none}
.milestone{display:flex;flex-direction:column;align-items:center;min-width:220px;position:relative;cursor:pointer;transition:transform .2s}
.milestone:hover{transform:translateY(-6px)}
.milestone:nth-child(odd){flex-direction:column-reverse;margin-top:40px}
.milestone:nth-child(even){margin-bottom:40px}
.ms-content{background:#fff;border-radius:16px;padding:16px;width:200px;box-shadow:0 4px 20px rgba(0,0,0,.1);text-align:center;transition:box-shadow .2s}
.milestone:hover .ms-content{box-shadow:0 8px 30px rgba(232,83,106,.25)}
.ms-img{width:100%;height:120px;object-fit:cover;border-radius:10px;margin-bottom:10px}
.ms-emoji{font-size:2rem;margin-bottom:6px;display:block}
.ms-date{font-size:.7rem;letter-spacing:2px;text-transform:uppercase;margin-bottom:4px}
.ms-title{font-family:'Playfair Display',serif;font-size:1.1rem;color:var(--dark);font-weight:600}
.ms-dot{width:16px;height:16px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 3px var(--rose);margin:8px 0;flex-shrink:0;transition:transform .2s}
.milestone:hover .ms-dot{transform:scale(1.3)}
.ms-line{width:2px;height:40px;flex-shrink:0}
.timeline-hint{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);font-size:.85rem;color:#bbb;letter-spacing:1px;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}
.btn-timeline-next{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:20}

/* Reveal */
#confettiCanvas{position:absolute;inset:0;pointer-events:none;z-index:0}
.hearts-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.heart-particle{position:absolute;bottom:-50px;animation:floatUp linear infinite;opacity:.7}
.reveal-box{position:relative;z-index:1}
.reveal-heart{font-size:5rem;animation:heartbeat 1.2s ease-in-out infinite;margin-bottom:16px}
.reveal-title{font-family:'Playfair Display',serif;font-size:2.2rem;color:var(--dark);margin-bottom:12px}
.reveal-sub{font-size:1.1rem;color:#888;margin-bottom:20px;font-style:italic}
.anni-badge{background:linear-gradient(135deg,#fdf0f3,#fff5e6);border:2px solid var(--rose);border-radius:50%;width:120px;height:120px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-family:'Playfair Display',serif;font-size:1rem;color:var(--rose);text-align:center;line-height:1.3;padding:16px}
.final-emojis{font-size:2rem;letter-spacing:12px}

/* Milestone entrance animations */
.ms-hidden { opacity:0; transform:translateY(30px) scale(0.9); }
.ms-visible { opacity:1; transform:translateY(0) scale(1); transition:opacity 0.5s ease, transform 0.5s cubic-bezier(.34,1.56,.64,1); }

/* Modal */
.modal{position:fixed;inset:0;z-index:999;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);cursor:pointer}
.modal-box{background:#fff;border-radius:20px;padding:32px;max-width:500px;width:100%;position:relative;z-index:1;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-close{position:absolute;top:12px;right:12px;background:none;border:1px solid #eee;width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center}
.modal-img{width:100%;max-height:280px;object-fit:cover;border-radius:12px;margin-bottom:16px}
.modal-date{font-size:.75rem;letter-spacing:2px;text-transform:uppercase;color:var(--rose);margin-bottom:4px}
.modal-title{font-family:'Playfair Display',serif;font-size:1.6rem;color:var(--dark);margin-bottom:10px}
.modal-text{font-size:1rem;line-height:1.8;color:#666}

/* Buttons */
.btn-anni{background:var(--rose);color:#fff;border:none;border-radius:50px;padding:14px 40px;font-size:1rem;font-family:'Lato',sans-serif;cursor:pointer;box-shadow:0 4px 18px rgba(232,83,106,.35);transition:transform .15s}
.btn-anni:hover{transform:translateY(-2px)}
.music-player{position:fixed;top:20px;right:20px;z-index:100}
.music-player.hidden{display:none}
.music-btn{width:46px;height:46px;border-radius:50%;background:rgba(232,83,106,.9);border:none;color:#fff;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center}

@media(max-width:600px){
  .screen{padding:50px 12px 30px}
  .content-box{padding:28px 16px}
  .anni-names{font-size:2rem}
  .timeline-container{padding:50px 30px 20px}
  .milestone{min-width:170px}
  .ms-content{width:155px}
}