/* ==========================================================================
   Halloween / horror theme — overlay on site.css, loaded only for
   `--theme halloween`. Near-black night ground, pumpkin orange, toxic
   phosphor green, blood-red signal. Atmospheric and a little eerie, but still
   a legible professional portfolio. Layout and content untouched.
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Creepster&family=Fraunces:opsz,wght@9..144,400;9..144,600&display=swap");

:root[data-variant="halloween"],
[data-variant="halloween"] {
  --paper:      #0E0B12;   /* midnight */
  --paper-lift: #17121D;
  --ink:        #EDE6DC;
  --ink-muted:  #B69FB0;
  --ink-faint:  #7C6A82;
  --rule:       #322540;
  --rule-soft:  #241A30;
  --accent:     #FF7518;   /* pumpkin */
  --accent-dim: #FF751822;
  --signal:     #8B1E1E;   /* blood red */
  --panel:      #08060B;

  --display: "Fraunces", "Archivo", Georgia, serif;
  --spooky: "Creepster", "Fraunces", cursive;
}

/* Only the biggest display moments use the horror face — the wordmark and the
   hero — so it lands as a motif, not a gimmick that hurts reading. Section
   headings take the atmospheric serif instead. */
[data-variant="halloween"] .wordmark-text strong,
[data-variant="halloween"] .hero-statement {
  font-family: var(--spooky);
  letter-spacing: 0.02em;
  font-weight: 400;
}
[data-variant="halloween"] .hero-statement { color: var(--accent); text-shadow: 0 0 18px #FF751855; }
[data-variant="halloween"] .hero-statement em { color: var(--ink); font-style: normal; }

[data-variant="halloween"] .section-title,
[data-variant="halloween"] .work-title,
[data-variant="halloween"] .page-head h1,
[data-variant="halloween"] .case-head h1,
[data-variant="halloween"] .prose h2 {
  font-family: var(--display);
}

/* Glowing pumpkin wordmark. */
[data-variant="halloween"] .wordmark-mark {
  background: var(--accent);
  color: var(--panel);
  box-shadow: 0 0 14px #FF751877;
}

/* Buttons and chips: pumpkin fill with an eerie glow on hover. */
[data-variant="halloween"] .button {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--panel);
}
[data-variant="halloween"] .button:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
  box-shadow: 0 0 16px #8B1E1E88;
}
[data-variant="halloween"] .button.ghost { background: transparent; color: var(--ink); }
[data-variant="halloween"] .chip.is-active { background: var(--accent); border-color: var(--accent); color: var(--panel); }
[data-variant="halloween"] .board { border-top-color: var(--accent); }
[data-variant="halloween"] .cell-year em { color: var(--accent); }
[data-variant="halloween"] a { text-decoration-color: var(--accent); }

/* Night background with a faint drifting fog wash. */
[data-variant="halloween"] body {
  background-color: var(--paper);
  background-image:
    radial-gradient(80% 50% at 50% 0%, #1B1226 0%, transparent 60%),
    radial-gradient(60% 40% at 100% 100%, #2A0E0E44 0%, transparent 55%);
  background-attachment: fixed;
}
[data-variant="halloween"] body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(50% 40% at 20% 30%, #FF751810 0%, transparent 60%),
             radial-gradient(50% 40% at 80% 70%, #8B1E1E10 0%, transparent 60%);
  animation: hw-fog 24s ease-in-out infinite alternate;
}
[data-variant="halloween"] .masthead,
[data-variant="halloween"] main,
[data-variant="halloween"] .footer { position: relative; z-index: 1; }
[data-variant="halloween"] .masthead { background: var(--panel); border-bottom-color: var(--accent); }
[data-variant="halloween"] .footer { background: var(--panel); border-top-color: var(--accent); }

@keyframes hw-fog {
  from { transform: translateX(-3%); opacity: .7; }
  to   { transform: translateX(3%);  opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  [data-variant="halloween"] body::before { animation: none; }
}

[data-variant="halloween"] :focus-visible { outline-color: var(--accent); }