:root { color-scheme: dark; font-family: 'Consolas', 'Liberation Mono', monospace; color: #f4f4f4; background: #000; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: #000 url('img/bg.webp') no-repeat center top; background-size: max(100vw, 1560px) auto; }
main { padding: clamp(24px, calc(14vw - 160px), 140px) 20px 200px; }
.panel-frame { --cut: 20px; width: min(520px, 100%); margin: 0 auto; padding: 1px; background: #bababa; clip-path: polygon(0 0, 37% 0, calc(37% + 8px) 8px, calc(100% - var(--cut)) 8px, 100% calc(var(--cut) + 8px), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut))); }
.panel { padding: 19px 23px 17px; background: rgb(9 9 9 / 97%); clip-path: polygon(0 0, 37% 0, calc(37% + 8px) 8px, calc(100% - 20px) 8px, 100% 28px, 100% 100%, 20px 100%, 0 calc(100% - 20px)); }
.rail { display: flex; align-items: center; gap: 4px; height: 5px; margin: 0 0 15px; }
.rail span { width: 44px; height: 3px; background: #f2f2f2; margin-right: auto; }
.rail i { display: block; width: 12px; height: 3px; background: #666; transform: skewX(-35deg); }
.field { display: grid; grid-template-columns: 80px minmax(0, 1fr); align-items: start; margin-bottom: 12px; }
label { padding-top: 10px; font-size: 14px; letter-spacing: .07em; text-transform: uppercase; }
input, textarea { width: 100%; min-width: 0; border: 1px solid #606060; border-left: 2px solid #a9a9a9; border-radius: 0; background: #191919; color: #fff; font: 16px/1.4 'Consolas', 'Liberation Mono', monospace; padding: 8px 11px; }
input { height: 38px; }
textarea { height: 104px; resize: vertical; }
input::placeholder { color: #929292; }
input:focus-visible, textarea:focus-visible { outline: 2px solid #fff; outline-offset: 3px; background: #222; }
.actions { display: flex; justify-content: space-between; align-items: center; padding-left: 80px; margin-top: 15px; }
.ticks { color: #777; letter-spacing: 3px; font-size: 18px; }
button { border: 0; border-radius: 0; padding: 10px 17px; min-width: 116px; background: #eee; color: #090909; font: bold 14px/1.2 'Consolas', 'Liberation Mono', monospace; text-transform: uppercase; letter-spacing: .15em; cursor: pointer; clip-path: polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px); }
button span { margin-left: 18px; font-size: 18px; }
button:hover { background: #bdbdbd; }
button:focus-visible { background: #aaa; outline: none; box-shadow: inset 0 0 0 3px #fff; }
#form-status { font: 14px/1.4 sans-serif; color: #ddd; margin: 12px 0 0; }
#form-status.is-success {
  position: relative; padding: 14px 16px; margin-top: 18px; text-align: center;
  color: #f4f4f4; background: transparent; border: 0;
}
#form-status.is-success svg {
  position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none;
  animation: success-fade 7.2s ease-in-out forwards;
}
#form-status.is-success path {
  fill: none; stroke: white; stroke-width: 1; stroke-dasharray: 18 32;
  animation: success-border 2.4s linear 3;
}
@keyframes success-border { to { stroke-dashoffset: -100; } }
@keyframes success-fade { 0%, 100% { opacity: 0; } 8%, 80% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  #form-status.is-success svg { display: none; }
  #form-status.is-success path { animation: none; }
}
.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
button:disabled { opacity: .5; cursor: wait; }
dialog { width: min(390px, calc(100% - 32px)); padding: 24px; border: 1px solid #bbb; background: #101010; color: white; }
dialog::backdrop { background: rgb(0 0 0 / 80%); backdrop-filter: blur(3px); }
dialog h2 { font: 16px/1.4 Consolas, monospace; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 12px; }
dialog p { font: 14px/1.5 sans-serif; }
#turnstile-widget { display: flex; justify-content: center; min-height: 65px; }
#verification-status { min-height: 42px; }
@media (max-width: 380px) {
  #turnstile-widget { min-height: 140px; }
}
.noscript { text-align: center; color: #fff; }
.contact-stage { position: relative; padding: 0; --anchor: max(218px, 14vw); min-height: max(100vh, calc(var(--anchor) + 240px)); perspective: 1100px; overflow: clip; }
.envelope { position: absolute; left: calc(50% - 38px); top: calc(var(--anchor) - 27px); width: 76px; height: 54px; min-width: 0; padding: 0; clip-path: none; background: transparent; z-index: 3; transition: opacity .18s .5s, visibility 0s .7s; }
.envelope:hover, .envelope:focus-visible { background: transparent; box-shadow: none; filter: drop-shadow(0 0 7px #ffffff80); }
.envelope:focus-visible { outline: 1px dashed #fff; outline-offset: 9px; }
.envelope .envelope-paper { display: block; position: relative; width: 100%; height: 100%; margin: 0; border: 1px solid #eee; background: #151515; animation: hover-letter 4s ease-in-out infinite; transform-style: preserve-3d; }
.envelope i { position: absolute; display: block; inset: 0; }
.envelope-left { background: #aaa; clip-path: polygon(0 0, 52% 52%, 0 100%); }
.envelope-right { background: #ccc; clip-path: polygon(100% 0, 48% 52%, 100% 100%); }
.envelope-bottom { background: #e4e4e4; clip-path: polygon(0 100%, 50% 43%, 100% 100%); }
.envelope-flap { background: #fafafa; clip-path: polygon(0 0, 100% 0, 50% 57%); transform-origin: top; transition: transform .45s ease; backface-visibility: visible; }
.sent-check { display: none; position: absolute; width: 60px; height: 60px; left: 7px; top: -4px; z-index: 4; overflow: visible; }
.sent-check path { fill: none; stroke: #39dc78; stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 100; stroke-dashoffset: 100; filter: drop-shadow(0 1px 2px #000); }
.is-sent .sent-check { display: block; }
.is-sent .sent-check path { animation: write-check .55s .7s ease-out forwards; }
.envelope[aria-disabled="true"] { cursor: default; }
.envelope[aria-disabled="true"]:hover { filter: none; }
@keyframes write-check { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .is-sent .sent-check path { animation: none; stroke-dashoffset: 0; }
}
.unfold { position: absolute; width: min(520px, calc(100% - 32px)); left: 50%; top: var(--anchor); transform: translate(-50%, -50%) scale(.145, .16); opacity: 0; visibility: hidden; pointer-events: none; transition: transform .65s cubic-bezier(.22,.8,.25,1), opacity .2s .25s, visibility 0s .7s; }
.unfold .panel-frame { width: 100%; }
.unfold .panel { position: relative; }
.unfold form, .unfold .rail, .unfold .close { opacity: 0; transition: opacity .15s; }
.close { position: absolute; right: 18px; top: 10px; padding: 0; min-width: 28px; width: 28px; height: 28px; background: transparent; color: #ddd; clip-path: none; font: 24px/1 monospace; z-index: 2; }
.close:hover { background: #333; }
.unfold .rail { padding-right: 38px; }
.fold-sheet { position: absolute; inset: 0; z-index: 2; pointer-events: none; perspective: 900px; }
.fold-sheet i { position: absolute; inset: 0; background: linear-gradient(135deg, #ddd, #666); backface-visibility: hidden; transition: transform .5s ease, opacity .2s .3s; }
.fold-sheet i:first-child { clip-path: polygon(0 0,100% 0,0 100%); transform-origin: left top; }
.fold-sheet i:last-child { clip-path: polygon(100% 0,100% 100%,0 100%); transform-origin: right bottom; }
.is-open .envelope { opacity: 0; visibility: hidden; pointer-events: none; }
.is-open .envelope-paper { animation-play-state: paused; }
.is-open .envelope-flap { transform: rotateX(175deg); }
.is-open .unfold { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, -50%) scale(1); transition: transform .7s .28s cubic-bezier(.22,.8,.25,1), opacity .15s .28s, visibility 0s; }
.is-open .fold-sheet i:first-child { transform: rotateY(-110deg); }
.is-open .fold-sheet i:last-child { transform: rotateY(110deg); }
.is-open .fold-sheet i { opacity: 0; transition: transform .65s .4s ease, opacity .3s .65s; }
.is-open .unfold form, .is-open .unfold .rail, .is-open .unfold .close { opacity: 1; transition: opacity .35s .75s; }
@keyframes hover-letter { 0%,100% { transform: translateY(-4px) rotate(-2deg); } 50% { transform: translateY(4px) rotate(2deg); } }
@media (prefers-reduced-motion: reduce) {
  .envelope .envelope-paper { animation: none; }
  .contact-stage *, .contact-stage.is-open * { transition: none !important; }
}
@media (max-width: 540px) {
  main { padding-left: 16px; padding-right: 16px; }
  .panel { padding: 20px 16px 17px; }
  .field { grid-template-columns: 75px minmax(0, 1fr); }
  .actions { padding-left: 75px; }
}