*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--space);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(15px, 0.5vw + 12.8px, 17px);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scrollbar-color: rgb(255 255 255 / 0.22) transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

html.js body { overflow: hidden; height: 100vh; }

h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
a { color: var(--text); text-decoration-color: rgb(255 255 255 / 0.35); text-underline-offset: 0.2em; }
a:hover { text-decoration-color: currentColor; }
em { font-style: italic; }

::selection { background: var(--ember); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--dawn);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--dawn);
  color: var(--ink);
  font-weight: 600;
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform 0.2s;
}
.skip:focus { transform: none; }

.display {
  font-weight: 600;
  font-size: var(--fs-h1);
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
  color: var(--text);
}
h2.display { font-size: var(--fs-h2); letter-spacing: -0.03em; }
h3 { font-size: 1.15rem; font-weight: 600; line-height: 1.3; letter-spacing: -0.015em; }

.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.overline {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: var(--gap-2);
}
.overline .rule {
  display: block;
  width: 28px;
  height: 1px;
  background: rgb(255 255 255 / 0.4);
}
.lede {
  font-size: clamp(1.06rem, min(1rem + 0.45vw, 2.75vh), 1.32rem);
  line-height: 1.55;
  max-width: 36em;
  margin-top: var(--gap-3);
  color: var(--muted);
}
.deck {
  color: var(--muted);
  font-size: var(--fs-deck);
  max-width: 38em;
  margin-top: var(--gap-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  padding: 0.92em 1.55em;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), background-color 0.2s, border-color 0.2s, color 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--ember); color: var(--ink); }
.btn-primary:hover { background: #FF6236; color: var(--ink); }
.btn-ghost { color: var(--text); border-color: var(--hairline-strong); background: rgb(var(--space-rgb) / 0.35); }
.btn-ghost:hover { border-color: rgb(255 255 255 / 0.5); }
.btn .arrow { display: inline-block; transition: transform 0.25s var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }
.btn-nav {
  padding: 0.7em 1.3em;
  font-size: 0.9rem;
  color: var(--ink);
  border-color: var(--ember);
  background: var(--ember);
}
.btn-nav:hover { background: #FF6236; border-color: #FF6236; color: var(--ink); }
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--gap-4);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 8px 0;
  background: none;
  border: 0;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.text-link .arrow { display: inline-block; color: var(--dawn); transition: transform 0.25s var(--ease-out); }
.text-link:hover .arrow { transform: translateX(3px); }

.panel {
  position: relative;
  background: rgb(var(--space-rgb) / var(--panel-alpha));
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: clamp(22px, min(3.4vw, 4.6vh), 48px);
  max-width: 640px;
}
.panel p + p { margin-top: 1em; }
.panel .display { margin-bottom: var(--gap-2); }
.panel p { color: var(--muted); }

.space {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;

  opacity: 0.004;
  transition: opacity 0.6s ease;
}
html.webgl .space { opacity: 1; }
html.is-over-3d .space { cursor: pointer; }

.stars-css {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 40% at 70% 20%, rgb(60 70 110 / 0.16), transparent 70%),
    radial-gradient(circle 26vmin at 74% 58%, rgb(255 120 60 / 0.16), transparent 70%),
    url(../img/stars.svg) 0 0 / 900px 900px repeat,
    var(--space);
  transition: opacity 0.6s ease;
}
html.webgl .stars-css { opacity: 0; }

.form { margin-top: var(--gap-3); display: grid; gap: clamp(14px, 2.2vh, 22px); }
.form-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 2.2vh, 22px) 12px; }

.field { position: relative; display: grid; gap: 6px; align-content: start; }
label, legend { font-weight: 500; font-size: 0.88rem; color: var(--text); }
.optional { color: var(--muted); font-weight: 400; }
input[type="text"], input[type="email"], textarea {
  width: 100%;
  font: inherit;
  line-height: 1.5;
  color: var(--text);
  background: rgb(255 255 255 / 0.04);
  border: 1px solid var(--hairline-strong);
  border-radius: 10px;
  padding: 0.6em 0.85em;
  transition: border-color 0.2s, background-color 0.2s;
}
input:focus, textarea:focus {
  outline: none;
  border-color: rgb(255 255 255 / 0.5);
  background: rgb(255 255 255 / 0.06);
}
textarea { display: block; resize: none; }
.error {
  position: absolute;
  top: 100%;
  left: 2px;
  margin-top: 2px;
  color: var(--dawn);
  font-size: 0.74rem;
  line-height: 1.2;
  white-space: nowrap;
}
.field.is-invalid input, .field.is-invalid textarea { border-color: var(--dawn); }

.chips { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chips legend { margin-bottom: 8px; }
.chip { position: relative; }
.chip input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.chip span {
  display: inline-block;
  padding: 0.42em 0.85em;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  color: var(--text);
  font-size: 0.82rem;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.chip:hover span { border-color: rgb(255 255 255 / 0.4); }
.chip input:checked + span { background: var(--text); border-color: var(--text); color: var(--ink); font-weight: 600; }
.chip input:focus-visible + span { outline: 2px solid var(--dawn); outline-offset: 3px; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 20px; }
.form-note { color: var(--muted); font-size: 0.85rem; }
.form-status { color: var(--muted); font-size: 0.88rem; }
.form-status:empty { display: none; }

.form-row:has(.form-status:not(:empty)) .form-note { display: none; }
.form-status.is-error {
  color: var(--dawn);

  font-size: 0.82rem;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: var(--gap-2);
  padding-top: var(--gap-1);
  border-top: 1px solid var(--hairline);
}
.facts li { display: grid; gap: 4px; align-content: start; color: var(--text); }
.facts .mono { font-size: 0.62rem; }

.vh {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

@media (max-width: 900px) {
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; gap: 10px; }
}