.opening-shell{color-scheme:dark;--ink:#f1f6ef;--muted:#a7b2a6;--lime:#c4f56a;position:relative;isolation:isolate;min-height:100svh;box-sizing:border-box;overflow:hidden;display:flex;flex-direction:column;justify-content:center;padding:80px max(6vw,24px) 28px;background:radial-gradient(ellipse at 85% 35%,#22402766,transparent 48%),#0c100e;color:var(--ink);font:16px/1.65 system-ui,sans-serif}body:has(.opening-shell){margin:0}.opening-shell *{box-sizing:border-box}.opening-grid{position:absolute;z-index:-1;width:100%;height:85%;right:-40%;top:15%;background-image:linear-gradient(#9abd7820 1px,transparent 1px),linear-gradient(90deg,#9abd7820 1px,transparent 1px);background-size:64px 64px;transform:perspective(650px) rotateY(-27deg) rotateX(20deg);-webkit-mask-image:linear-gradient(to right,transparent,black 30%,transparent);mask-image:linear-gradient(to right,transparent,black 30%,transparent)}.opening-card{width:min(100%,780px);margin:auto 0;padding:30px 0 70px}.opening-eyebrow{display:flex;align-items:center;gap:10px;font:600 11px/1.5 ui-monospace,monospace;letter-spacing:.2em;color:var(--lime)}.opening-eyebrow i{width:7px;height:7px;border-radius:100%;background:var(--lime);box-shadow:0 0 18px #c4f56a66}.opening-shell h1{font-size:clamp(30px,4.4vw,54px);line-height:1.1;letter-spacing:-.045em;margin:26px 0}.opening-shell .opening-wordmark{font-size:clamp(68px,12vw,152px);letter-spacing:-.075em;font-weight:850;margin:18px 0 35px;line-height:.95}.opening-wordmark span{color:var(--lime)}.opening-shell h2{font-size:clamp(27px,3.5vw,40px);line-height:1.2;letter-spacing:-.035em;margin:20px 0}.opening-shell h3{margin:0 0 12px;font-size:24px}.opening-shell p{color:var(--muted);max-width:650px}.opening-intro{margin-bottom:32px}.opening-form{display:grid;gap:13px;max-width:640px}.opening-form>label{font-size:14px}.opening-shell input:not([type=checkbox]),.opening-shell textarea{width:100%;background:#151c16;border:1px solid #43523d;border-radius:5px;color:var(--ink);padding:14px 16px;font:inherit}.opening-shell textarea{resize:vertical}.opening-shell input:focus-visible,.opening-shell textarea:focus-visible,.opening-shell button:focus-visible,.opening-shell a:focus-visible{outline:2px solid var(--lime);outline-offset:4px}.opening-shell button{border:1px solid transparent;border-radius:5px;padding:14px 22px;background:var(--lime);color:#17200c;font:700 14px/1.5 system-ui,sans-serif;cursor:pointer;width:fit-content}.opening-shell button:hover:not(:disabled){filter:brightness(1.08)}.opening-shell button:disabled{opacity:.5;cursor:not-allowed}.opening-input-row{display:flex;gap:8px}.opening-input-row button{flex-shrink:0}.opening-shell .opening-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);cursor:pointer}.opening-check input{accent-color:var(--lime);width:17px;height:17px;flex-shrink:0;margin:3px 0 0}.opening-shell .opening-small{font-size:12px}.opening-shell .opening-message{border-left:3px solid var(--lime);background:#1e291c;padding:12px 16px;color:var(--ink);overflow-wrap:anywhere}.opening-shell .is-error{border-color:#ffa692;background:#32201c}.opening-success{max-width:640px;background:#172016;border:1px solid #465e38;border-radius:8px;padding:24px}.opening-shell .opening-link{background:none;padding:0;text-decoration:underline;color:var(--lime);text-align:left}.opening-shell a{color:var(--lime);text-underline-offset:4px}.opening-brand{font-size:24px;font-weight:800;letter-spacing:-.05em;color:var(--lime);text-decoration:none}.opening-footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #ffffff1a;padding-top:20px;font:11px ui-monospace,monospace;letter-spacing:.08em;color:var(--muted)}.opening-admin .opening-card{margin:0 auto}.opening-admin .opening-form{max-width:none}.opening-admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px}.opening-shell .opening-secondary{background:transparent;border-color:#596551;color:var(--ink)}.opening-audience{display:flex;gap:32px}.opening-shell fieldset{border:1px solid #43523d;border-radius:5px;padding:16px;margin:0 0 8px}.opening-shell legend{padding:0 8px;font-size:14px}.opening-preview{border:1px solid #43523d;padding:24px;border-radius:5px;background:#151c16}.opening-email-body{white-space:pre-wrap;overflow-wrap:anywhere}.opening-actions{display:flex;gap:12px;flex-wrap:wrap}@media(max-width:600px){.opening-shell{padding-top:40px}.opening-input-row{flex-direction:column}.opening-input-row button{width:100%}.opening-footer{flex-direction:column;font-size:10px}.opening-grid{right:-20%;opacity:.55}}