.opening-sequence{background:radial-gradient(circle at 50% 40%,#2a3b4d 0,#142331 42%,#09131d 100%)!important;perspective:1200px}.opening-sequence:before{background:linear-gradient(125deg,#07111be8,#1d304155 52%,#07111be8),url('ivory-botanical-paper.png') center/cover!important;mix-blend-mode:screen;opacity:.34}.opening-sequence:after{content:"";position:absolute;inset:18px;border:1px solid #d7bb7b55;pointer-events:none}.opening-title{z-index:2}.opening-title .eyebrow{color:#e4c77f}.opening-title p:last-child{color:#f5eddd;font-size:clamp(1.12rem,3vw,1.45rem)}.opening-stage{z-index:1;transform:translateY(2vh);filter:drop-shadow(0 36px 48px #03090ebb)}.film-envelope{animation:envelopePrelude 7.2s cubic-bezier(.16,.85,.2,1) both}.film-flap{background:linear-gradient(135deg,#223645,#152632)!important;box-shadow:inset 0 0 0 7px #0b1620,inset 0 0 0 9px #d5b56f!important}.film-letter{background:linear-gradient(125deg,#fffdf6,#f2e5cd)!important}.film-letter p,.film-letter small{color:#987946}.film-letter strong{color:#20303d}.film-wax{background:radial-gradient(circle at 30% 25%,#fff3b5,#d5ae61 47%,#865e28)!important}.opening-message{position:absolute;z-index:4;left:50%;top:50%;width:min(90vw,600px);padding:36px 28px;transform:translate(-50%,-46%);text-align:center;color:#fffaf0;opacity:0;pointer-events:none;transition:opacity 1.2s ease,transform 1.2s cubic-bezier(.2,.8,.2,1)}.opening-message.is-visible{opacity:1;transform:translate(-50%,-50%);pointer-events:auto}.opening-message:before{content:"";position:absolute;inset:-17px;border:1px solid #d8bd7e66;box-shadow:0 0 0 8px #d8bd7e12}.opening-message .message-star{display:block;color:#e8c87f;font-size:1.25rem;margin-bottom:14px}.opening-message .eyebrow{color:#e5c881;margin-bottom:18px}.opening-message h1{margin:0;color:#fffaf0;font:500 clamp(2.7rem,8vw,5.2rem)/.92 'Cormorant Garamond';text-shadow:0 6px 28px #0008}.opening-message h1 i{font:italic .58em 'Cormorant Garamond';color:#e7c77e}.opening-message>p:not(.eyebrow){max-width:400px;margin:20px auto 26px;color:#e9e2d4;font:italic 1.06rem/1.55 'Cormorant Garamond'}.continue-button{position:relative;min-width:min(100%,280px);padding:15px 24px;border:1px solid #d9bd78;background:#f8ecd4;color:#182937;font:700 .68rem 'DM Sans';letter-spacing:.14em;text-transform:uppercase;cursor:pointer;box-shadow:0 6px 0 #bd9857,0 16px 26px #02080c77;transition:transform .2s ease,box-shadow .2s ease}.continue-button:hover{transform:translateY(-3px);box-shadow:0 9px 0 #bd9857,0 20px 32px #02080c99}.continue-button span{color:#ac7d3c;margin-left:8px;font-size:1rem}.continue-button small{display:block;margin-top:6px;font:500 .47rem 'DM Sans';letter-spacing:.1em;color:#5d6770}.opening-exit{animation:openingExit .85s ease forwards}@keyframes envelopePrelude{0%,8%{transform:scale(.92) translateY(24px);opacity:0}18%,74%{transform:scale(1) translateY(0);opacity:1}100%{transform:scale(.96) translateY(-30px);opacity:.12}}@keyframes openingExit{to{opacity:0;transform:scale(1.025);filter:blur(4px)}}@media(max-width:520px){.opening-sequence:after{inset:10px}.opening-message{padding:22px 18px}.opening-message:before{inset:-10px}.opening-message h1{font-size:2.75rem}.opening-message>p:not(.eyebrow){font-size:.95rem;margin:17px auto 22px}.continue-button{padding:14px 18px}}@media(prefers-reduced-motion:reduce){.film-envelope,.film-flap,.film-letter,.film-wax{animation:none}.opening-message{opacity:1;transform:translate(-50%,-50%);pointer-events:auto}}