:root {
  --sand: #f6ead4;
  --ink: #140e09;
  --torch: #ffb703;
  --line: rgba(246, 234, 212, 0.35);
  --ui: "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  color: var(--sand);
  font-family: var(--ui);
  background: #101614;
}
:focus-visible {
  outline: 2px solid var(--torch);
  outline-offset: 3px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.stage {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.stage img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.nav {
  position: relative;
  z-index: 2;
  display: flex;
  flex-shrink: 0;
  justify-content: flex-end;
  padding: 0.85rem 1.1rem;
  background: rgba(20, 14, 9, 0.92);
  border-bottom: 1px solid rgba(246, 234, 212, 0.18);
}
.foot {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  padding: 0.85rem 1.1rem;
  text-align: center;
  background: rgba(20, 14, 9, 0.92);
  border-top: 1px solid rgba(246, 234, 212, 0.18);
}
.foot p { margin: 0; font-size: 0.95rem; }
.foot a { color: var(--torch); text-decoration: none; }
.foot a:hover { color: white; }
.links {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 1.05rem;
  border: 1.5px solid rgba(246, 234, 212, 0.72);
  border-radius: 999px;
  background: rgba(20, 14, 9, 0.55);
  color: var(--sand);
  font: 700 0.92rem/1 var(--ui);
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: rgba(246, 234, 212, 0.14); color: white; }
.btn-solid,
.btn-solid:hover {
  background: var(--torch);
  border-color: var(--torch);
  color: var(--ink);
}
.btn-solid:hover { background: #ffc53d; }
.submit { width: 100%; margin-top: 0.85rem; }
.submit:disabled { opacity: 0.6; cursor: wait; }

.hall main {
  flex: 1;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 2rem 1.25rem;
}
.mascot {
  width: min(280px, 72vw);
  height: auto;
  margin: 0 auto 0.75rem;
  display: block;
}
.hall h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  letter-spacing: 0.02em;
  font-weight: 650;
}
.hall p { margin: 0; font-size: 1.15rem; }

dialog {
  width: min(34rem, calc(100% - 1.5rem));
  max-height: min(92dvh, 48rem);
  overflow: auto;
  margin: auto;
  padding: 1.25rem 1.25rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #1a120c;
  color: var(--sand);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.62); }
.form-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
dialog h1 { margin: 0; font-size: 1.7rem; }
.close {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--sand);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
}
fieldset {
  margin: 1rem 0 0;
  padding: 0.85rem 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
}
legend {
  padding: 0 0.35rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--torch);
}
label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.75rem;
  font-size: 0.92rem;
}
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #100b07;
  color: white;
  font: inherit;
  padding: 0.7rem 0.75rem;
}
textarea { resize: vertical; }
.captcha {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.4rem;
}
#captcha-image { min-height: 72px; }
#captcha-image svg { display: block; }
.hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}
#form-status { min-height: 1.4em; margin: 0.9rem 0 0; }
#form-status.error { color: #ffb4a2; }

@media (max-width: 640px) {
  .nav { justify-content: center; padding: 0.7rem; }
  .links { flex-wrap: wrap; justify-content: center; }
  .btn { min-height: 40px; padding: 0 0.85rem; }
}