:root{--primary-gold:#c5a059;--primary-gold-dark:#9e7b36;--primary-gold-light:#f5eedf;--primary-gold-glow:rgba(197, 160, 89, 0.35);--rose-blush:#e8a598;--rose-soft:#fcf4f2;--wine-deep:#6f2633;--wine-dark:#4d1520;--bg-ivory:#faf7f2;--bg-pure:#ffffff;--bg-card:rgba(255, 255, 255, 0.92);--bg-glass:rgba(255, 255, 255, 0.75);--text-main:#332726;--text-muted:#746765;--text-light:#9e918f;--border-delicate:rgba(197, 160, 89, 0.28);--border-light:rgba(0, 0, 0, 0.06);--shadow-sm:0 4px 15px rgba(110, 80, 60, 0.05);--shadow-md:0 10px 30px rgba(110, 80, 60, 0.08);--shadow-lg:0 20px 50px rgba(110, 80, 60, 0.12);--shadow-gold:0 10px 30px rgba(197, 160, 89, 0.25);--font-serif:'Playfair Display',Georgia,serif;--font-script:'Great Vibes',cursive,'Alex Brush';--font-sans:'Montserrat',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--transition-smooth:all 0.35s cubic-bezier(0.25, 1, 0.5, 1);--transition-fast:all 0.2s 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var(--border-delicate);text-align:center}.letter-card::before{content:'';position:absolute;top:15px;bottom:15px;left:15px;right:15px;border:1px solid rgba(197,160,89,.2);border-radius:14px;pointer-events:none}.wax-seal{width:70px;height:70px;margin:-6.5rem auto 1.5rem;background:radial-gradient(circle,var(--wine-deep) 0,var(--wine-dark) 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary-gold-light);font-size:1.8rem;box-shadow:0 8px 25px rgba(111,38,51,.4);border:2px solid var(--primary-gold)}.letter-heading{font-family:var(--font-script);font-size:3.2rem;color:var(--wine-deep);margin-bottom:1rem;text-transform:none}.letter-text{font-size:1.05rem;color:var(--text-main);line-height:2;margin-bottom:1.8rem;font-weight:300}.letter-quote{font-family:var(--font-serif);font-size:1.25rem;font-style:italic;color:var(--primary-gold-dark);margin:2rem 0;padding:0 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1.8rem;font-size:.88rem}.gallery-item{border-radius:12px}.gallery-img,.gallery-overlay{border-radius:12px}.gallery-overlay{padding:.75rem}.gallery-zoom-icon{width:36px;height:36px;font-size:.9rem}.lightbox-next,.lightbox-prev{display:none!important}.lightbox-close{top:1rem;right:1rem}}body.envelope-locked{overflow:hidden!important;height:100dvh!important;height:100vh!important;width:100%!important;position:fixed!important;inset:0!important;touch-action:none}.envelope-overlay{position:fixed;inset:0;width:100vw;width:100%;height:100dvh;height:100vh;z-index:99999;overflow:hidden;background:#14070a;transition:opacity .85s cubic-bezier(.4, 0, .2, 1),visibility .85s;opacity:1;visibility:visible}.envelope-overlay.fade-out{opacity:0;pointer-events:none;visibility:hidden}.envelope-overlay.is-hidden{display:none!important}.fs-envelope{position:absolute;inset:0;width:100%;height:100%;perspective:1600px;cursor:pointer;user-select:none;overflow:hidden}.fs-envelope::after{content:'';position:absolute;inset:0;box-shadow:inset 0 0 100px rgba(50,15,25,.2);pointer-events:none;z-index:5;transition:opacity .5s ease}.envelope-overlay.is-opening .fs-envelope::after{opacity:0}.fs-env-back{position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,#44141e 0,#20060c 70%,#120306 100%);display:flex;align-items:center;justify-content:center;overflow:hidden}.fs-env-liner-pattern{position:absolute;inset:0;background-image:radial-gradient(circle at 50% 50%,rgba(197,160,89,.12) 1.5px,transparent 1.5px);background-size:24px 24px;display:flex;align-items:center;justify-content:center}.fs-monogram-watermark{font-family:var(--font-serif);font-size:clamp(3.5rem, 10vw, 7rem);font-weight:700;color:rgba(197,160,89,.14);letter-spacing:12px;text-shadow:0 0 30px rgba(197,160,89,.2)}.fs-env-fold{position:absolute;inset:0;transition:transform .9s cubic-bezier(.4, 0, .2, 1);pointer-events:none}.fs-fold-left{clip-path:polygon(0 0,0 100%,50% 50%);-webkit-clip-path:polygon(0 0,0 100%,50% 50%);background:linear-gradient(135deg,#fcf9f2 0,#ede1cb 100%);filter:drop-shadow(4px 0 14px rgba(0, 0, 0, .08));z-index:2}.fs-fold-right{clip-path:polygon(100% 0,100% 100%,50% 50%);-webkit-clip-path:polygon(100% 0,100% 100%,50% 50%);background:linear-gradient(-135deg,#fcf9f2 0,#ede1cb 100%);filter:drop-shadow(-4px 0 14px rgba(0, 0, 0, .08));z-index:2}.fs-fold-bottom{clip-path:polygon(0 100%,100% 100%,50% 50%);-webkit-clip-path:polygon(0 100%,100% 100%,50% 50%);background:linear-gradient(to top,#e8ddc5 0,#faf6ec 100%);filter:drop-shadow(0 -6px 18px rgba(0, 0, 0, .12));z-index:3}.fs-env-flap-top{position:absolute;top:0;left:0;width:100%;height:50.5%;transform-origin:top center;transform-style:preserve-3d;-webkit-transform-style:preserve-3d;transition:transform .85s cubic-bezier(.4, 0, .2, 1);z-index:4;pointer-events:none}.fs-flap-face{position:absolute;inset:0;clip-path:polygon(0 0,100% 0,50% 100%);-webkit-clip-path:polygon(0 0,100% 0,50% 100%);backface-visibility:hidden;-webkit-backface-visibility:hidden}.fs-flap-front{background:linear-gradient(to bottom,#eae0ca 0,#faf6eb 100%);filter:drop-shadow(0 8px 24px rgba(0, 0, 0, .22))}.fs-flap-back{transform:rotateX(180deg);background:radial-gradient(circle at 50% 20%,#4a1520 0,#25070d 100%);border-bottom:2px solid rgba(197,160,89,.45);filter:drop-shadow(0 -6px 18px rgba(0, 0, 0, .18))}.envelope-overlay.is-opening .fs-env-flap-top{transform:rotateX(180deg)}.fs-env-flap-top.flipped{z-index:1!important}.envelope-overlay.unfolding .fs-fold-left{transform:translateX(-100%)}.envelope-overlay.unfolding .fs-fold-right{transform:translateX(100%)}.envelope-overlay.unfolding .fs-fold-bottom{transform:translateY(100%)}.envelope-overlay.unfolding .fs-env-flap-top{transform:rotateX(180deg) translateY(-100%)}.fs-center-group{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.25rem;z-index:6;pointer-events:auto;transition:opacity .4s ease,transform .4s ease}.fs-wax-seal{position:relative;width:86px;height:86px;border-radius:50%;cursor:pointer;transition:transform .35s cubic-bezier(.3, 1.4, .5, 1),box-shadow .35s ease}.fs-wax-outer{width:100%;height:100%;border-radius:50%;background:radial-gradient(circle at 35% 30%,#a82337 0,#751523 60%,#460c14 100%);box-shadow:0 8px 28px rgba(0,0,0,.5),inset 0 2px 5px rgba(255,255,255,.38),inset 0 -3px 6px rgba(0,0,0,.6);border:2px solid #5a0e1a;display:flex;align-items:center;justify-content:center}.fs-wax-inner{width:76%;height:76%;border-radius:50%;border:1.5px dashed rgba(245,215,160,.6);display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle,rgba(168,35,55,.65) 0,rgba(85,12,23,.85) 100%);box-shadow:inset 0 0 10px rgba(0,0,0,.55)}.fs-wax-monogram{font-family:var(--font-serif);font-size:1.2rem;font-weight:700;color:#fdf2d8;letter-spacing:1.5px;line-height:1;text-shadow:0 1px 1px rgba(255,255,255,.35),0 -1px 2px rgba(0,0,0,.8)}.fs-wax-heart{font-size:.65rem;color:var(--primary-gold-light);margin-top:3px;filter:drop-shadow(0 1px 1px rgba(0, 0, 0, .6))}.fs-wax-pulse{position:absolute;inset:-8px;border-radius:50%;border:2px solid rgba(212,175,55,.65);animation:fsWaxPulse 2.2s cubic-bezier(.2,.8,.2,1) infinite;pointer-events:none}@keyframes fsWaxPulse{0%{transform:scale(.95);opacity:.9}65%{transform:scale(1.4);opacity:0}100%{transform:scale(1.4);opacity:0}}.fs-wax-seal:hover{transform:scale(1.08);box-shadow:0 12px 35px rgba(212,175,55,.6)}.fs-prompt-pill{background:rgba(255,255,255,.94);color:var(--wine-deep);font-family:var(--font-sans);font-size:.95rem;font-weight:600;letter-spacing:1px;padding:.7rem 1.8rem;border-radius:50px;border:1.5px solid var(--primary-gold);box-shadow:0 8px 25px rgba(0,0,0,.15),0 0 20px rgba(197,160,89,.3);display:inline-flex;align-items:center;justify-content:center;gap:.6rem;cursor:pointer;transition:var(--transition-smooth);animation:fsPromptPulse 2.4s ease-in-out infinite;white-space:nowrap!important;max-width:90vw;box-sizing:border-box}@keyframes fsPromptPulse{0%,100%{transform:scale(1);box-shadow:0 8px 25px rgba(0,0,0,.15),0 0 20px rgba(197,160,89,.3)}50%{transform:scale(1.04);box-shadow:0 12px 32px rgba(110,80,60,.25),0 0 30px rgba(197,160,89,.6)}}.fs-prompt-pill:hover{transform:scale(1.08);background:#fff;color:var(--wine-dark)}.fs-prompt-icon{font-size:.9rem;color:var(--primary-gold-dark)}.envelope-overlay.is-opening .fs-center-group{opacity:0;transform:translate(-50%,-50%) scale(1.3);pointer-events:none}#envelope-confetti-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:15}.music-envelope-btn{width:34px;height:34px;border-radius:50%;background:var(--primary-gold-light);color:var(--primary-gold-dark);border:1px solid var(--border-delicate);display:flex;align-items:center;justify-content:center;font-size:.88rem;transition:var(--transition-fast);cursor:pointer;margin-left:.25rem}.music-envelope-btn:hover{background:var(--primary-gold);color:#fff;transform:scale(1.1);box-shadow:0 4px 12px rgba(197,160,89,.4)}@media (max-width:600px){.fs-center-group{gap:1rem;max-width:92vw}.fs-wax-seal{width:74px;height:74px}.fs-wax-monogram{font-size:1.05rem}.fs-prompt-pill{font-size:.86rem;padding:.6rem 1.25rem;white-space:nowrap!important;gap:.45rem;letter-spacing:.5px}}