/* ============ Joe Rinaldi Johnson — explorable world ============ */
:root {
  --ink: #0a0c12;
  --paper: #ece5d8;
  --amber: #e8a13c;
  --amber-soft: rgba(232, 161, 60, 0.35);
  --teal: #6ee7d8;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --serif: "Fraunces", Georgia, serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- stage & scenes ---------- */
.stage { position: fixed; inset: 0; }
.world {
  position: absolute; inset: 0;
  animation: drift 44s ease-in-out infinite alternate;
  will-change: transform;
}
.scene-layer {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transition: opacity 0.9s ease, transform 6s ease;
  will-change: opacity, transform;
}
.scene-layer.on { opacity: 1; }
@keyframes drift {
  from { transform: scale(1); }
  to   { transform: scale(1.04); }
}
.vignette {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(120% 100% at 50% 45%, transparent 55%, rgba(4,5,9,0.55) 100%),
    linear-gradient(to top, rgba(4,5,9,0.55), transparent 22%);
}
.fader {
  position: absolute; inset: 0; background: var(--ink);
  opacity: 0; pointer-events: none; transition: opacity 0.45s ease;
}
.fader.on { opacity: 1; }

/* film grain */
.stage::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.9'/%3E%3C/svg%3E");
  animation: grain 0.9s steps(3) infinite;
}
@keyframes grain {
  0% { transform: translate(0,0); } 33% { transform: translate(-20px, 10px); }
  66% { transform: translate(15px, -12px); } 100% { transform: translate(0,0); }
}

/* ---------- hotspots ---------- */
.hotspots { position: absolute; } /* sized to the cover-cropped image by JS */
.spot {
  position: absolute; transform: translate(-50%, -50%);
  width: 44px; height: 44px; border: 0; background: transparent;
  cursor: pointer; z-index: 5;
  opacity: 0; transition: opacity 0.7s ease;
}
.spot.show { opacity: 1; }
.spot i {
  position: absolute; left: 50%; top: 50%; width: 9px; height: 9px;
  margin: -4.5px 0 0 -4.5px; border-radius: 50%; background: #fff;
  box-shadow:
    0 0 0 4.5px rgba(255,255,255,0.22),
    0 1px 10px rgba(0,0,0,0.55);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.spot.portal i {
  background: var(--amber);
  box-shadow:
    0 0 0 4.5px rgba(232,161,60,0.25),
    0 1px 10px rgba(0,0,0,0.55);
}
.spot:hover i, .spot:focus-visible i {
  transform: scale(1.35);
  box-shadow:
    0 0 0 6px rgba(255,255,255,0.28),
    0 1px 14px rgba(0,0,0,0.6);
}
.spot.portal:hover i, .spot.portal:focus-visible i {
  box-shadow:
    0 0 0 6px rgba(232,161,60,0.32),
    0 1px 14px rgba(0,0,0,0.6);
}
.spot .tip {
  position: absolute; left: 50%; bottom: calc(100% + 2px); transform: translateX(-50%) translateY(4px);
  padding: 0.35rem 0.7rem; white-space: nowrap;
  background: rgba(8,10,16,0.88); border: 1px solid rgba(236,229,216,0.18);
  border-radius: 4px; font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--paper); opacity: 0; pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  backdrop-filter: blur(6px);
}
.spot:hover .tip, .spot:focus-visible .tip { opacity: 1; transform: translateX(-50%) translateY(0); }
.spot.portal .tip { color: var(--amber); border-color: rgba(232,161,60,0.4); }

/* ---------- info card ---------- */
.card {
  position: fixed; left: 1.6rem; bottom: 1.6rem; z-index: 30;
  width: min(23.5rem, calc(100vw - 3.2rem));
  background: rgba(9,11,15,0.92);
  border: 1px solid rgba(236,229,216,0.1);
  padding: 1.7rem 1.8rem 1.6rem;
  backdrop-filter: blur(16px);
  transform: translateY(10px); opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  max-height: min(62vh, 30rem); overflow-y: auto;
}
.card.on { opacity: 1; transform: none; visibility: visible; }
.card-close {
  position: absolute; top: 0.65rem; right: 0.85rem;
  background: none; border: 0; color: var(--paper); opacity: 0.35;
  font-size: 1.1rem; line-height: 1; cursor: pointer; font-family: var(--mono);
  padding: 0.25rem;
}
.card-close:hover { opacity: 0.9; }
.card-kicker { font-size: 0.58rem; letter-spacing: 0.3em; color: var(--amber); text-transform: uppercase; }
.card-title {
  font-family: var(--serif); font-weight: 500; font-size: 1.35rem;
  margin: 0.55rem 0 0; line-height: 1.2; letter-spacing: 0.005em;
}
.card-title::after {
  content: ""; display: block; width: 100%; height: 1px;
  margin: 0.95rem 0; background: rgba(236,229,216,0.12);
}
.card-body { font-size: 0.76rem; line-height: 1.8; color: rgba(236,229,216,0.78); }
.card-body em { font-style: italic; color: rgba(236,229,216,0.92); }
.card-body strong { color: var(--paper); font-weight: 500; }
.card-links { margin-top: 1.15rem; display: flex; flex-direction: column; gap: 0.45rem; align-items: flex-start; }
.card-links a {
  font-size: 0.66rem; letter-spacing: 0.06em;
  color: rgba(236,229,216,0.85); text-decoration: underline;
  text-decoration-color: rgba(236,229,216,0.3); text-underline-offset: 4px;
  transition: color 0.2s, text-decoration-color 0.2s;
}
.card-links a:hover { color: var(--amber); text-decoration-color: var(--amber); }

/* ---------- artifact viewer ---------- */
.artifact {
  position: fixed; inset: 0; z-index: 40;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem;
  background: rgba(4, 5, 9, 0.92);
  backdrop-filter: blur(10px);
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}
.artifact.on { opacity: 1; visibility: visible; }
.artifact-close {
  position: absolute; top: 1rem; right: 1.4rem;
  background: none; border: 0; color: var(--paper); opacity: 0.45;
  font-size: 1.5rem; line-height: 1; cursor: pointer; font-family: var(--mono);
  padding: 0.3rem;
}
.artifact-close:hover { opacity: 1; }
.artifact-frame { display: flex; align-items: center; justify-content: center; }
.artifact-frame iframe {
  width: min(58rem, 92vw); aspect-ratio: 16 / 9; border: 0;
  background: #000;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.7);
}
.artifact-frame img {
  max-width: min(58rem, 92vw); max-height: 78vh; display: block;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.7);
}
.artifact-src {
  font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(236, 229, 216, 0.7); text-decoration: underline;
  text-decoration-color: rgba(236, 229, 216, 0.3); text-underline-offset: 4px;
}
.artifact-src:hover { color: var(--amber); text-decoration-color: var(--amber); }

/* ---------- nav drawer ---------- */
.drawer-scrim {
  position: fixed; inset: 0; z-index: 34;
  background: rgba(4, 5, 9, 0.55);
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}
.drawer-scrim.on { opacity: 1; visibility: visible; }
.drawer {
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 35;
  width: min(19rem, 86vw);
  background: rgba(9, 11, 15, 0.96);
  border-right: 1px solid rgba(236, 229, 216, 0.1);
  backdrop-filter: blur(16px);
  padding: 3.4rem 1.9rem 2rem;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.35s ease;
}
.drawer.on { transform: none; }
.drawer-close {
  position: absolute; top: 0.9rem; right: 1.2rem;
  background: none; border: 0; color: var(--paper); opacity: 0.4;
  font-size: 1.3rem; line-height: 1; cursor: pointer; font-family: var(--mono);
  padding: 0.25rem;
}
.drawer-close:hover { opacity: 1; }
.drawer-heading {
  font-size: 0.58rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--amber); margin: 0 0 0.8rem;
}
.drawer-list + .drawer-heading { margin-top: 2.2rem; }
.drawer-list { display: flex; flex-direction: column; gap: 0.1rem; margin-bottom: 0.4rem; }
.drawer-list a, .drawer-list button {
  display: flex; align-items: baseline; width: 100%; text-align: left;
  background: none; border: 0; cursor: pointer;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.04em;
  color: rgba(236, 229, 216, 0.85); text-decoration: none;
  padding: 0.45rem 0;
  transition: color 0.2s;
}
.drawer-list small {
  flex: 0 0 3.6rem;
  font-size: 0.56rem; letter-spacing: 0.2em; opacity: 0.5;
}
.drawer-list a:hover, .drawer-list button:hover { color: var(--amber); }
.drawer-list button.active { color: var(--amber); }
.drawer-all {
  display: inline-block; margin-top: 1rem;
  font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(236, 229, 216, 0.7); text-decoration: underline;
  text-decoration-color: rgba(236, 229, 216, 0.3); text-underline-offset: 4px;
}
.drawer-all:hover { color: var(--amber); text-decoration-color: var(--amber); }
.drawer-empty { font-size: 0.62rem; opacity: 0.45; font-family: var(--mono); }

/* ---------- corner ---------- */
.corner {
  position: fixed; top: 1.3rem; left: 1.5rem; z-index: 25;
  display: flex; align-items: center; gap: 1rem;
  opacity: 0; transition: opacity 0.6s 0.6s;
}
.corner.on { opacity: 1; }
.corner-name {
  font-family: var(--serif); font-weight: 500; font-size: 0.95rem; letter-spacing: 0.02em;
  color: var(--paper); background: none; border: 0; padding: 0;
  cursor: pointer; transition: color 0.25s;
  text-shadow: 0 1px 10px rgba(0,0,0,0.8);
}
.corner-name:hover { color: var(--amber); }
.corner-links { display: flex; gap: 0.9rem; }
.corner-links a {
  color: var(--paper); opacity: 0.6; text-decoration: none;
  font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase;
  transition: all 0.2s;
}
.corner-links a:hover { opacity: 1; color: var(--amber); }

/* ---------- day/night toggle ---------- */
.tod {
  position: fixed; top: 1.15rem; right: 1.6rem; z-index: 26;
  width: 2.3rem; height: 2.3rem; border-radius: 50%;
  background: rgba(8,10,16,0.6); color: var(--paper);
  border: 1px solid rgba(236,229,216,0.2);
  font-size: 0.95rem; line-height: 1; cursor: pointer;
  backdrop-filter: blur(8px);
  opacity: 0; transition: opacity 0.6s 0.6s, border-color 0.25s, color 0.25s;
}
.tod.on { opacity: 1; }
.tod:hover { border-color: var(--amber); color: var(--amber); }

/* ---------- menu button ---------- */
.menu {
  flex: 0 0 auto;
  width: 2.3rem; height: 2.3rem; border-radius: 50%;
  background: rgba(8,10,16,0.6); color: var(--paper);
  border: 1px solid rgba(236,229,216,0.2);
  font-size: 1.05rem; line-height: 1; cursor: pointer;
  backdrop-filter: blur(8px);
  transition: border-color 0.25s, color 0.25s;
}
.menu:hover { border-color: var(--amber); color: var(--amber); }

/* ---------- error notice ---------- */
.notice {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--paper); text-shadow: 0 1px 10px rgba(0,0,0,0.9);
  pointer-events: none;
}

/* ---------- responsive ---------- */
@media (max-width: 700px) {
  .corner-links { display: none; }
  .card { left: 0.8rem; right: 0.8rem; width: auto; bottom: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  .world { animation: none; }
  .stage::after { animation: none; }
}