:root {
  --black:   #080808;
  --crimson: #C41230;
  --gold:    #C8A017;
  --off-white: #F2EDE4;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background: var(--black);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
}

/* ── Tile Grid — square tiles, always covers viewport ── */
/* vmax = max(vw, vh), so 25vmax tiles always fill the
   larger dimension; centering clips the overflow evenly */
.tile-grid {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vmax;
  height: 100vmax;
  display: grid;
  grid-template-columns: repeat(4, 25vmax);
  grid-template-rows: repeat(4, 25vmax);
  z-index: 0;
}

.tile {
  position: relative;
  overflow: hidden;
  background: #111;
}

.tile-face {
  position: absolute;
  inset: 0;
  transition: opacity 0.9s ease-in-out;
}

.tile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tile-dim {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, 0.5);
  transition: background 0.4s;
}

.tile:hover .tile-dim { background: rgba(8, 8, 8, 0.06); }

/* Text mode */
.tile-txt-wrap {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.tile-face.is-text .tile-img     { display: none; }
.tile-face.is-text .tile-dim     { display: none; }
.tile-face.is-text .tile-txt-wrap { display: flex; }

/* Text tile colours */
.tile-face.is-text[data-color="crimson"] { background: var(--crimson); }
.tile-face.is-text[data-color="gold"]    { background: var(--gold); }
.tile-face.is-text[data-color="dark"]    { background: var(--black); }

.tile:hover .tile-face.is-text { filter: brightness(1.3); transition: filter 0.35s; }

.tile-text-inner {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(0.85rem, 2vmax, 1.3rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.55;
  text-align: center;
  text-transform: uppercase;
}

/* Red bg → white text */
.tile-face.is-text[data-color="crimson"] .tile-text-inner { color: #ffffff; }
/* Gold bg → black text */
.tile-face.is-text[data-color="gold"]    .tile-text-inner { color: var(--black); }
/* Black bg → gold text */
.tile-face.is-text[data-color="dark"]    .tile-text-inner { color: var(--gold); }

/* ── Page layer ──────────────────────────────────────── */
.page {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  pointer-events: none;
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow: hidden;
}

/* ── Signup card — realistic emblem peeking above top ─── */
.hero-card {
  pointer-events: all;
  position: relative;
  background: rgba(8, 8, 8, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(200, 160, 23, 0.22);
  border-radius: 2px;
  padding: 2rem 3rem 2.5rem;
  padding-top: 6.5rem; /* room for emblem sitting mostly inside */
  max-width: 540px;
  width: 100%;
  text-align: center;
  margin-top: 2rem; /* just enough for the small peek above */
}

.card-emblem {
  position: absolute;
  top: -1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: auto;
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0);
}

.subline {
  font-size: 0.875rem;
  font-weight: 300;
  color: rgba(242, 237, 228, 0.5);
  line-height: 1.85;
  letter-spacing: 0.03em;
  margin-bottom: 2rem;
}

/* ── Form — fields side by side, button full width ───── */
.capture-form { width: 100%; }

.field-row {
  display: flex;
  gap: 0.625rem;
  margin-bottom: 0.625rem;
}

.turnstile-holder {
  margin-bottom: 0.625rem;
  min-height: 65px; /* reserve space so layout doesn't jump on render */
}

.field-input {
  flex: 1;
  min-width: 0;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(200, 160, 23, 0.25);
  border-radius: 2px;
  color: var(--off-white);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.03em;
  padding: 0.875rem 1.25rem;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.field-input::placeholder { color: rgba(242, 237, 228, 0.28); }

.field-input:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(200, 160, 23, 0.7);
}

.btn-submit {
  width: 100%;
  background: var(--crimson);
  border: none;
  color: var(--off-white);
  cursor: pointer;
  font-family: 'Cinzel', serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.9rem 1.75rem;
  position: relative;
  transition: background 0.2s;
  border-radius: 2px;
}

.btn-submit:hover:not(:disabled) { background: #a5101f; }
.btn-submit:disabled { opacity: 0.7; cursor: not-allowed; }

.btn-spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(242, 237, 228, 0.35);
  border-top-color: var(--off-white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.btn-submit.loading .btn-label   { opacity: 0; }
.btn-submit.loading .btn-spinner { display: block; }

.form-message {
  margin-top: 0.875rem;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  min-height: 1.2em;
  transition: color 0.2s;
}

.form-message.success { color: var(--gold); }
.form-message.error   { color: #e05555; }

.card-copy {
  margin-top: 1.5rem;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: rgba(242, 237, 228, 0.18);
  text-transform: uppercase;
}

/* ── Mobile ──────────────────────────────────────────── */
@media (max-width: 560px) {
  .hero-card { padding: 2rem 1.5rem; }

  .field-row { flex-direction: column; gap: 0.5rem; }
}