@font-face{font-family:TheScientist;src:url(/fonts/TheScientist-L3EyW.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Lora;src:url(/fonts/lora-latin.woff2) format("woff2");font-weight:400 700;font-style:normal;font-display:swap}@font-face{font-family:Inter;src:url(/fonts/inter-latin.woff2) format("woff2");font-weight:300 400 500 600 700;font-style:normal;font-display:swap}:root{--font-sans:"Inter",system-ui,-apple-system,sans-serif;--font-serif:"Lora",Georgia,serif;--font-handwriting:"TheScientist","Brush Script MT",cursive;--bg-base:#f9f6f3;--bg-surface:#ffffff;--bg-surface-translucent:rgba(255,255,255,0.85);--bg-card:#ffffff;--border-subtle:rgba(220,180,195,0.35);--border-medium:rgba(210,150,175,0.5);--text-main:#231b20;--text-muted:#6e5f68;--text-light:#9e8d97;--accent-rose:#e64980;--accent-rose-deep:#c2255c;--accent-rose-light:#fcc2d7;--accent-gold:#d97706;--accent-champagne:#fdf2e9;--ribbon-vert:linear-gradient(90deg,#b8134b,#ff4f86 45%,#ffb0c7 55%,#c01752);--ribbon-horiz:linear-gradient(180deg,#b8134b,#ff4f86 45%,#ffb0c7 55%,#c01752);--shadow-soft:0 10px 30px -10px rgba(180,70,110,0.15);--shadow-float:0 20px 40px -15px rgba(140,40,80,0.22);--shadow-envelope:0 28px 50px -12px rgba(110,20,55,0.28)}[data-theme=dark]{--bg-base:#110d14;--bg-surface:#1a1420;--bg-surface-translucent:rgba(26,20,32,0.85);--bg-card:#201826;--border-subtle:rgba(255,180,210,0.12);--border-medium:rgba(255,180,210,0.22);--text-main:#f5edf2;--text-muted:#b8a6b1;--text-light:#7e6c76;--accent-rose:#ff6b9e;--accent-rose-deep:#e0316b;--accent-rose-light:#72102f;--accent-gold:#f59f00;--accent-champagne:#2a1c24;--ribbon-vert:linear-gradient(90deg,#961644,#ff3c71 45%,#ff7aa0 55%,#e0316b);--ribbon-horiz:linear-gradient(180deg,#961644,#ff3c71 45%,#ff7aa0 55%,#e0316b);--shadow-soft:0 10px 30px -10px rgba(0,0,0,0.5);--shadow-float:0 20px 45px -15px rgba(0,0,0,0.65);--shadow-envelope:0 30px 60px -15px rgba(0,0,0,0.8)}*{box-sizing:border-box;margin:0;padding:0}body,html{min-height:100vh;background-color:var(--bg-base);color:var(--text-main);font-family:var(--font-sans);overflow-x:hidden;transition:background-color .4s cubic-bezier(.16,1,.3,1),color .4s cubic-bezier(.16,1,.3,1);-webkit-font-smoothing:antialiased}.ambient-glow{position:fixed;inset:0;pointer-events:none;z-index:0;background:radial-gradient(circle at 50% 25%,rgba(255,182,203,.22) 0,rgba(254,215,226,.1) 40%,transparent 70%);filter:blur(40px)}[data-theme=dark] .ambient-glow{background:radial-gradient(circle at 50% 25%,rgba(184,19,75,.28) 0,rgba(100,15,45,.15) 45%,transparent 70%)}.app-header{position:fixed;top:0;left:0;right:0;height:64px;justify-content:space-between;padding:0 clamp(1rem,4vw,2.5rem);z-index:40;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);background:var(--bg-surface-translucent)}.app-header,.header-brand{display:flex;align-items:center}.header-brand{gap:.75rem;text-decoration:none;color:var(--text-main);font-family:var(--font-serif);font-size:1.15rem;font-weight:600}.header-brand img{width:32px;height:32px;border-radius:8px}.header-actions{gap:.75rem}.header-actions,.icon-btn{display:flex;align-items:center}.icon-btn{background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-main);border-radius:9999px;width:38px;height:38px;justify-content:center;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1)}.icon-btn:hover{transform:translateY(-2px);border-color:var(--accent-rose);box-shadow:0 4px 12px rgba(230,73,128,.18)}.envelope-stage{perspective:1200px;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 64px);padding:2rem 1rem;position:relative;z-index:10}.envelope-wrapper{position:relative;width:clamp(280px,80vw,420px);aspect-ratio:4/3;cursor:pointer;transform-style:preserve-3d;transition:transform .35s cubic-bezier(.16,1,.3,1)}.envelope-card{position:absolute;inset:0;background:linear-gradient(145deg,#fffdfb,#fef4f7);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-envelope);border:1px solid rgba(255,230,240,.8);display:flex;align-items:center;justify-content:center}[data-theme=dark] .envelope-card{background:linear-gradient(145deg,#231a28,#1a121e);border:1px solid rgba(255,180,210,.15)}.envelope-paper-pattern{position:absolute;inset:0;opacity:.45;background-image:radial-gradient(var(--accent-rose) 1.2px,transparent 1.2px);background-size:16px 16px}.envelope-ribbon-v{top:0;bottom:0;left:50%;width:44px;transform:translateX(-50%);background:var(--ribbon-vert)}.envelope-ribbon-h,.envelope-ribbon-v{position:absolute;box-shadow:0 0 16px rgba(184,19,75,.35);z-index:2}.envelope-ribbon-h{left:0;right:0;top:50%;height:44px;transform:translateY(-50%);background:var(--ribbon-horiz)}.envelope-bow-wrap{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(1.1);z-index:4;filter:drop-shadow(0 12px 20px rgba(184,19,75,.45));transition:transform .3s cubic-bezier(.16,1,.3,1)}.envelope-wrapper:hover .envelope-bow-wrap{transform:translate(-50%,-50%) scale(1.18)}.envelope-meta{margin-top:2rem;text-align:center;z-index:10;animation:fadeIn .8s ease-out}.meta-eyebrow{font-size:.75rem;text-transform:uppercase;letter-spacing:.2em;color:var(--text-light);font-weight:600;margin-bottom:.25rem}.meta-recipient{font-size:clamp(2rem,5vw,2.75rem);font-weight:600;font-style:italic;color:var(--text-main);letter-spacing:-.02em;line-height:1.2}.meta-recipient,.meta-sender{font-family:var(--font-serif)}.meta-sender{font-size:1rem;color:var(--text-muted);margin-top:.35rem}.meta-sender span{color:var(--accent-rose);font-weight:600}.tap-cue{display:inline-flex;align-items:center;gap:.4rem;margin-top:1.25rem;padding:.5rem 1.25rem;border-radius:9999px;font-size:.8rem;text-transform:uppercase;letter-spacing:.15em;font-weight:600;background:var(--bg-surface);border:1px solid var(--border-medium);color:var(--text-muted);box-shadow:var(--shadow-soft);animation:pulseCue 2s ease-in-out infinite;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1)}.tap-cue:hover{color:var(--accent-rose);border-color:var(--accent-rose);transform:translateY(-2px)}@keyframes pulseCue{0%,to{transform:translateY(0);opacity:.9}50%{transform:translateY(-4px);opacity:1;box-shadow:0 8px 20px rgba(230,73,128,.22)}}.stage-container{min-height:calc(100vh - 64px);flex-direction:column;padding:clamp(1rem,4vw,3rem) clamp(1rem,3vw,2rem);position:relative;z-index:10;max-width:960px;margin:0 auto}.stage-container,.stage-dots-bar{display:flex;align-items:center;justify-content:center}.stage-dots-bar{gap:.6rem;margin-bottom:2rem;padding:.4rem .8rem;background:var(--bg-surface-translucent);border:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:9999px;box-shadow:var(--shadow-soft);z-index:20}.stage-dot{width:10px;height:10px;border-radius:9999px;background:var(--text-light);opacity:.4;border:none;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1);position:relative}.stage-dot.active{width:28px;background:linear-gradient(90deg,var(--accent-rose) 0,var(--accent-gold) 100%);opacity:1;border-radius:9999px;box-shadow:0 0 10px rgba(230,73,128,.4)}.stage-dot:hover:not(.active){opacity:.8;transform:scale(1.2)}.stage-card{width:100%;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:28px;padding:clamp(1.75rem,5vw,3.5rem);box-shadow:var(--shadow-float);position:relative;overflow:hidden;animation:stageEnter .6s cubic-bezier(.16,1,.3,1)}@keyframes stageEnter{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.nav-arrow{position:fixed;top:50%;transform:translateY(-50%);z-index:30;width:48px;height:48px;border-radius:9999px;background:var(--bg-surface-translucent);border:1px solid var(--border-medium);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:var(--text-main);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .25s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-soft)}.nav-arrow:hover{background:var(--accent-rose);color:white;border-color:var(--accent-rose);transform:translateY(-50%) scale(1.1);box-shadow:0 8px 25px rgba(230,73,128,.35)}.nav-arrow.left{left:clamp(.75rem,2vw,2.5rem)}.nav-arrow.right{right:clamp(.75rem,2vw,2.5rem)}.hero-stage{text-align:center;display:flex;flex-direction:column;align-items:center;gap:1.5rem}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem 1rem;border-radius:9999px;font-size:.8rem;font-weight:700;letter-spacing:.15em;color:var(--accent-rose-deep);background:rgba(230,73,128,.12);border:1px solid rgba(230,73,128,.25)}.hero-calligraphy{font-size:clamp(3.5rem,9vw,6rem);line-height:1.1;background:linear-gradient(135deg,#e64980,#f59f00 60%,#e0316b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;padding:.25rem .5rem;filter:drop-shadow(0 4px 15px rgba(230,73,128,.25))}.hero-calligraphy,.hero-signature{font-family:var(--font-handwriting)}.hero-signature{font-size:clamp(2rem,5vw,3rem);color:var(--accent-rose);margin-top:-.5rem}.letter-stage{position:relative;line-height:1.85}.letter-parchment{position:relative;padding:clamp(1rem,2vw,1.5rem)}.letter-quote-mark{font-family:var(--font-serif);font-size:4rem;line-height:.5;color:var(--accent-rose);opacity:.25;position:absolute;top:0;left:0}.letter-body-text{font-family:var(--font-serif);font-size:clamp(1.15rem,2.2vw,1.35rem);color:var(--text-main);text-align:justify;letter-spacing:.01em;margin:1.5rem 0}.letter-signoff{margin-top:2rem;text-align:right}.letter-signoff-lead{font-size:.95rem;color:var(--text-muted);font-style:italic}.letter-signoff-name{font-family:var(--font-handwriting);font-size:2.5rem;color:var(--accent-rose-deep);line-height:1.2}.traits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:1.25rem;gap:1.25rem;margin-top:1.75rem}.trait-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:20px;padding:1.5rem;transition:all .3s cubic-bezier(.16,1,.3,1);display:flex;flex-direction:column;gap:.75rem}.trait-card:hover{transform:translateY(-4px);border-color:var(--accent-rose);box-shadow:0 12px 28px rgba(230,73,128,.15)}.trait-icon-wrap{width:44px;height:44px;border-radius:12px;background:rgba(230,73,128,.12);color:var(--accent-rose);display:flex;align-items:center;justify-content:center}.trait-title{font-family:var(--font-serif);font-size:1.2rem;font-weight:600;color:var(--text-main)}.trait-desc{font-size:.95rem;color:var(--text-muted);line-height:1.6}.music-player-wrap{flex-direction:column;text-align:center;gap:1.5rem;padding:1rem 0}.music-player-wrap,.vinyl-disc{display:flex;align-items:center}.vinyl-disc{width:160px;height:160px;border-radius:9999px;background:radial-gradient(circle,#33202e 0,#150d14 70%,#0d080c 100%);border:4px solid rgba(255,255,255,.1);box-shadow:0 15px 35px rgba(0,0,0,.4);position:relative;justify-content:center;transition:transform .3s ease}.vinyl-disc.spinning{animation:spinVinyl 8s linear infinite}@keyframes spinVinyl{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.vinyl-center{width:60px;height:60px;border-radius:9999px;background:linear-gradient(135deg,var(--accent-rose) 0,var(--accent-gold) 100%);border:3px solid #150d14;justify-content:center;color:white}.soundwave,.vinyl-center{display:flex;align-items:center}.soundwave{gap:4px;height:28px}.wave-bar{width:4px;height:100%;background:var(--accent-rose);border-radius:9999px;animation:waveAnim 1s ease-in-out infinite alternate}.wave-bar:nth-child(2){animation-delay:.2s}.wave-bar:nth-child(3){animation-delay:.4s}.wave-bar:nth-child(4){animation-delay:.1s}.wave-bar:nth-child(5){animation-delay:.3s}@keyframes waveAnim{0%{height:20%}to{height:100%}}.cake-wrap{display:flex;flex-direction:column;align-items:center;text-align:center;gap:1.5rem}.cake-candle-flame{width:14px;height:24px;background:radial-gradient(ellipse at bottom,#fff700 0,#ff7b00 60%,transparent 100%);border-radius:50% 50% 20% 20%;filter:drop-shadow(0 0 10px #ffaa00);animation:candleFlicker .8s ease-in-out infinite alternate;cursor:pointer}@keyframes candleFlicker{0%{transform:scale(1) rotate(-2deg)}50%{transform:scale(1.15,.9) rotate(3deg)}to{transform:scale(.95,1.05) rotate(-1deg)}}.primary-btn{background:linear-gradient(135deg,var(--accent-rose) 0,var(--accent-gold) 100%);color:white;border:none;border-radius:9999px;padding:.85rem 2rem;font-size:1rem;font-weight:600;letter-spacing:.03em;display:inline-flex;align-items:center;gap:.6rem;cursor:pointer;box-shadow:0 10px 25px rgba(230,73,128,.35);transition:all .25s cubic-bezier(.16,1,.3,1)}.primary-btn:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 15px 35px rgba(230,73,128,.45)}.secondary-btn{background:var(--bg-surface);color:var(--text-main);border:1px solid var(--border-medium);border-radius:9999px;padding:.75rem 1.75rem;font-size:.95rem;font-weight:500;display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1)}.secondary-btn:hover{border-color:var(--accent-rose);color:var(--accent-rose);transform:translateY(-2px)}