@font-face{font-family:Manrope;src:url('assets/Manrope-Regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Manrope;src:url('assets/Manrope-Medium.ttf') format('truetype');font-weight:500;font-display:swap}
@font-face{font-family:Manrope;src:url('assets/Manrope-SemiBold.ttf') format('truetype');font-weight:600;font-display:swap}
:root{color-scheme:light;--cream:#ebe2d1;--ink:#191a18;--orange:#ffb16e;--portal-x:78%;--portal-y:55%}
*{box-sizing:border-box}html,body{margin:0;background:var(--cream);color:var(--ink);font:400 16px/1.55 Manrope,Arial,sans-serif;-webkit-font-smoothing:antialiased}body{overflow-x:hidden}::selection{background:var(--orange)}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid var(--ink);outline-offset:7px}
.home-screen{isolation:isolate}.intro{position:relative;height:100svh;min-height:540px;background:var(--cream);overflow:hidden;--paper-shadow-x:14px;--paper-shadow-y:18px}
.paper-surface,.intro-atmosphere{position:absolute;inset:0;overflow:hidden;pointer-events:none}.paper-relief{position:absolute;width:106vmax;aspect-ratio:1;left:108%;top:79%;border-radius:50%;transform:translate(-50%,-50%);background:linear-gradient(135deg,#ffffff12 5%,#ebe2d100 46%,#191a1809 100%);box-shadow:-14px -18px 42px #ffffff65,14px 18px 48px #191a1819,inset 2px 2px 3px #ffffff80,inset -2px -2px 3px #191a1809}.paper-light{position:absolute;inset:0;background:radial-gradient(ellipse at 65% 35%,#ffffff28,transparent 58%)}.gravity-field{position:absolute;left:0;top:0;width:420px;height:340px;pointer-events:none}
.ambient-light{position:absolute;inset:-30%;background:radial-gradient(ellipse at 27% 36%,#ffffff22,transparent 53%),radial-gradient(ellipse at 79% 65%,#ffb16e0e,transparent 54%);animation:light-drift 18s ease-in-out infinite alternate}
.surface-wave{position:absolute;left:var(--portal-x);top:var(--portal-y);width:280vmax;height:280vmax;border-radius:50%;background:radial-gradient(circle closest-side,transparent 58%,#191a1810 65%,#ffffff65 71%,#ffb16e24 77%,transparent 84%);transform:translate(-50%,-50%) scale(.025);opacity:0;pointer-events:none}.idle-wave{animation:quiet-ripple 11s cubic-bezier(.2,.35,.45,1) infinite}.response-wave{background:radial-gradient(circle closest-side,transparent 57%,#191a1812 65%,#ffffff90 71%,#ffb16e40 77%,transparent 84%)}.ripple-active .response-wave{animation:response-ripple 22.5s cubic-bezier(.16,.5,.3,1) both}
.header{position:absolute;top:0;left:0;width:100%;display:flex;align-items:center;justify-content:space-between;padding:38px 5.5vw;z-index:3}.elseware{display:block;width:148px;height:auto}.header-note{font-size:12px;letter-spacing:.01em}.header-note:before{content:"";display:inline-block;background:var(--orange);width:6px;height:6px;border-radius:50%;margin:0 11px 2px 0}
.intro-copy{position:absolute;left:8.5%;top:48%;transform:translateY(-50%);z-index:1}h1{margin:0;font-size:clamp(70px,8.3vw,160px);line-height:.99;letter-spacing:-.066em;font-weight:400}
.aperture-button{position:absolute;z-index:2;left:var(--portal-x);top:var(--portal-y);width:88px;height:88px;transform:translate(-50%,-50%);border:0;border-radius:50%;padding:0;background:transparent}.aperture-core{position:absolute;width:24px;height:24px;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--ink);border-radius:50%;transition:box-shadow .4s}.aperture-ring{position:absolute;inset:8px;border:1px solid #191a1870;border-radius:50%;box-shadow:0 0 0 7px #ffb16e20;transition:border-color .25s,box-shadow .25s}.aperture-button:hover .aperture-ring,.aperture-button:focus-visible .aperture-ring{border-color:var(--ink);box-shadow:0 0 0 8px #ffb16e50}.responding .aperture-ring{box-shadow:0 0 0 7px #ffb16e30,0 0 28px #ffb16e25}.responding .aperture-core{animation:sealed-expansion 5.95s linear both;box-shadow:0 0 26px 6px #ffb16e60}.aperture-label{position:absolute;left:50%;top:calc(100% + 22px);transform:translateX(-50%);white-space:nowrap;font-size:14px;font-weight:500;letter-spacing:.01em;transition:opacity .3s}.responding .aperture-label,.has-response .aperture-label{opacity:0}.response{position:absolute;left:var(--portal-x);top:calc(var(--portal-y) + 72px);transform:translate(-50%,8px);margin:0;width:240px;text-align:center;font-size:14px;opacity:0;transition:opacity .6s,transform .6s;pointer-events:none}.has-response .response{opacity:1;transform:translate(-50%,0)}
.intro-bottom{position:absolute;bottom:36px;left:5.5vw;right:5.5vw;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px;z-index:2}.bottom-note{color:#64655e}.sound-toggle{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:9px 14px;border:1px solid #191a1830;border-radius:40px;background:#ebe2d1b0;font-size:12px;backdrop-filter:blur(12px)}.sound-toggle:hover{border-color:#191a1870}.sound-slash{display:none}.sound-toggle[aria-pressed="false"] .sound-waves{display:none}.sound-toggle[aria-pressed="false"] .sound-slash{display:block}.no-script{position:absolute;left:var(--portal-x);top:calc(var(--portal-y) + 106px);transform:translateX(-50%);text-align:center;font-size:14px;width:240px}
@keyframes light-drift{from{transform:translate(-5%,3%);opacity:.65}to{transform:translate(6%,-4%) scale(1.08);opacity:1}}@keyframes quiet-ripple{0%,15%{transform:translate(-50%,-50%) scale(.025);opacity:0}23%{opacity:.2}62%{opacity:.12}78%,100%{transform:translate(-50%,-50%) scale(1.6);opacity:0}}@keyframes response-ripple{0%{transform:translate(-50%,-50%) scale(.025);opacity:0}12%{opacity:.65}100%{transform:translate(-50%,-50%) scale(.9);opacity:0}}@keyframes sealed-pulse{0%,100%{transform:scale(1);box-shadow:0 0 0 7px #ffb16e20}20%{transform:scale(.94);box-shadow:0 0 0 9px #ffb16e50,0 0 32px #ffb16e30}50%{transform:scale(1.045)}}
@media(min-width:801px) and (max-height:740px){.header{padding-top:26px}h1{font-size:min(8.3vw,18vh)}.intro-bottom{bottom:24px}}@media(min-width:801px) and (max-width:1100px){h1{font-size:9vw}}
@media(max-width:800px){:root{--portal-x:50%;--portal-y:73%}.header{padding:26px 24px}.elseware{width:124px}.header-note{font-size:10px}.intro-copy{left:8%;top:37%}h1{font-size:clamp(48px,10.5vw,78px)}.aperture-button{width:76px;height:76px}.aperture-label{top:calc(100% + 14px)}.response{top:calc(var(--portal-y) + 58px)}.intro-bottom{left:24px;right:24px;bottom:24px}.bottom-note{display:none}.paper-relief{width:150vmax;left:145%;top:102%;opacity:.7}}
@media(max-height:560px) and (max-width:800px){:root{--portal-x:78%;--portal-y:55%}.intro{min-height:340px}.intro-copy{left:8%;top:45%}h1{font-size:min(10vw,16vh)}.paper-relief{width:110vmax;left:117%;top:95%}.response{width:200px}.header{padding-top:16px}.intro-bottom{bottom:10px}}
@media(hover:none),(pointer:coarse){.gravity-field{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.gravity-field,.surface-wave{display:none}.has-response .response{transform:translate(-50%,0)}}.is-background *{animation-play-state:paused!important}

@keyframes sealed-expansion{0%{transform:translate(-50%,-50%) scale(1);animation-timing-function:cubic-bezier(.22,.35,.38,1)}94.9579832%{transform:translate(-50%,-50%) scale(2.25);animation-timing-function:cubic-bezier(.6,0,.8,.25)}100%{transform:translate(-50%,-50%) scale(1)}}

/* Desktop: circle and headline share the same vertical centre. */
@media(min-width:801px){:root{--portal-y:48%}}

.invitation{position:absolute;z-index:3;left:var(--portal-x);top:calc(var(--portal-y) + 122px);width:240px;max-width:70vw;margin:0;transform:translate(-50%,10px);opacity:0;visibility:hidden;pointer-events:none;transition:opacity 1.1s ease,transform 1.1s ease,visibility 0s 1.1s}
.has-invitation .invitation{opacity:1;transform:translate(-50%,0);visibility:visible;pointer-events:auto;transition-delay:.45s,.45s,0s}
.has-invitation .aperture-label{opacity:0}
.invitation-title{margin:0 0 16px;text-align:center;font-size:13px;font-weight:400;letter-spacing:.01em}
.invitation-line{display:flex;align-items:center;border-bottom:1px solid #191a1850;transition:border-color .25s}
.invitation-line:focus-within{border-color:var(--ink)}
.invitation input{min-width:0;width:100%;padding:10px 0 12px;border:0;border-radius:0;outline:none;background:transparent;color:var(--ink);font:400 13px Manrope,Arial,sans-serif}
.invitation input::placeholder{color:#191a188c;opacity:1}
.invitation button{width:40px;min-width:40px;height:42px;padding:0;border:0;background:transparent;font-size:23px;line-height:1;transition:transform .2s}
.invitation button:hover{transform:translateX(3px)}
.invitation-status{margin:10px 0 0;font-size:11px;line-height:1.5;text-align:center}
.invitation-status:empty{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:800px){.has-invitation{--portal-y:61%}.invitation{top:calc(var(--portal-y) + 104px);width:240px}}
@media(max-height:560px) and (max-width:800px){.has-invitation{--portal-y:38%}.invitation{top:calc(var(--portal-y) + 100px);width:190px}.invitation-title{margin-bottom:6px}}
@media(prefers-reduced-motion:reduce){.invitation{transition:none}}

/* Keep native autofill from painting an opaque rectangle over the paper surface. */
.invitation input,.invitation input:hover,.invitation input:focus{background-color:transparent!important;box-shadow:none;caret-color:var(--ink)}
.invitation input:-webkit-autofill,.invitation input:-webkit-autofill:hover,.invitation input:-webkit-autofill:focus{ -webkit-text-fill-color:var(--ink);transition:background-color 999999s linear,color 999999s linear;box-shadow:none!important}
.invitation input:autofill{transition:background-color 999999s linear,color 999999s linear;background-color:transparent!important}

/* Quiet, keyboard-accessible master volume beside the sound toggle. */
.intro-bottom{justify-content:flex-start;gap:16px}
.sound-volume{appearance:none;-webkit-appearance:none;width:88px;height:44px;padding:0;margin:0;background:transparent;cursor:pointer;touch-action:pan-y}
.sound-volume::-webkit-slider-runnable-track{height:2px;background:#191a1845;border-radius:2px}
.sound-volume::-moz-range-track{height:2px;background:#191a1845;border-radius:2px}
.sound-volume::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:10px;height:10px;margin-top:-4px;border:0;border-radius:50%;background:var(--ink)}
.sound-volume::-moz-range-thumb{width:10px;height:10px;border:0;border-radius:50%;background:var(--ink)}
.sound-volume:focus-visible{outline:1px solid var(--ink);outline-offset:4px;border-radius:3px}

.signup-trap{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;pointer-events:none}
.invitation[aria-busy="true"] .invitation-line{opacity:.6}
.invitation-status{min-height:1.5em}