:root {
  --bg: #05050a;
  --fg: #f3efe6;
  --muted: #8c8b96;
  --accent: #c9a66b;
  --danger: #d6685f;
  --serif: "Cormorant Garamond", serif;
  --sans: "Inter", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  overflow: hidden;
}

#stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

/* --- vignette + grain --- */

.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0) 35%, rgba(0,0,0,0.55) 100%);
}

.grain {
  position: fixed;
  inset: -100px;
  pointer-events: none;
  z-index: 3;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  animation: grainShift 1s steps(4) infinite;
}

@keyframes grainShift {
  0%   { transform: translate(0,0); }
  25%  { transform: translate(-2%,2%); }
  50%  { transform: translate(2%,-1%); }
  75%  { transform: translate(-1%,-2%); }
  100% { transform: translate(0,0); }
}

/* --- loader --- */

#loader {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner { text-align: center; }

.loader-title {
  font-family: var(--serif);
  font-size: 2rem;
  letter-spacing: 0.5em;
  padding-left: 0.5em;
  color: var(--fg);
  margin-bottom: 1.4rem;
}

.loader-bar {
  width: 180px;
  height: 1px;
  background: rgba(255,255,255,0.15);
  margin: 0 auto;
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.3s ease;
}

/* --- header --- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem clamp(1.2rem, 4vw, 3rem);
  pointer-events: none;
}

.logo {
  font-family: var(--serif);
  font-size: 1.1rem;
  letter-spacing: 0.35em;
  padding-left: 0.35em;
  color: var(--fg);
  pointer-events: none;
}

.world-link {
  pointer-events: all;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.6rem 1rem;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.world-link:hover { color: var(--accent); border-color: var(--accent); }

.vault-btn {
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.5s ease, transform 0.5s ease, color 0.25s ease, border-color 0.25s ease;
}

.vault-btn.revealed {
  pointer-events: all;
  opacity: 1;
  transform: translateY(0);
}

.vault-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* --- hero text --- */

.hero {
  position: fixed;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 6rem;
  pointer-events: none;
  text-align: center;
}

.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  letter-spacing: 0.28em;
  padding-left: 0.28em;
  margin: 0;
  color: var(--fg);
  text-shadow: 0 0 40px rgba(0,0,0,0.6);
}

.hero-sub {
  margin: 0.8rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}

.scroll-hint {
  position: fixed;
  left: 50%;
  bottom: 1.6rem;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.8;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

.scroll-hint.fade { opacity: 0; }

.scroll-hint-line {
  width: 1px;
  height: 26px;
  background: linear-gradient(var(--muted), transparent);
  animation: hintPulse 2.2s ease-in-out infinite;
}

@keyframes hintPulse {
  0%, 100% { opacity: 0.2; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* --- vault overlay --- */

.vault-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(2,2,6,0.75);
  backdrop-filter: blur(10px);
  animation: fadeIn 0.35s ease;
}

.vault-overlay[hidden] { display: none; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.vault-modal {
  position: relative;
  width: min(90vw, 360px);
  padding: 2.6rem 2rem 2rem;
  background: #0b0b12;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.vault-modal h2 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.08em;
  font-size: 1.4rem;
  margin: 0 0 0.6rem;
}

.vault-copy {
  color: var(--muted);
  font-size: 0.82rem;
  margin: 0 0 1.6rem;
}

#vaultForm {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

#vaultInput {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--fg);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  border-radius: 2px;
  outline: none;
  letter-spacing: 0.05em;
  transition: border-color 0.25s ease;
}

#vaultInput:focus { border-color: var(--accent); }

#vaultForm button {
  background: var(--accent);
  border: none;
  color: #1a1408;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.75rem;
  padding: 0.8rem 1rem;
  border-radius: 2px;
  cursor: pointer;
  transition: filter 0.2s ease;
}

#vaultForm button:hover { filter: brightness(1.1); }

.vault-error {
  margin: 1rem 0 0;
  color: var(--danger);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.vault-close {
  position: absolute;
  top: 0.6rem;
  right: 0.8rem;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.vault-close:hover { color: var(--fg); }

.shake { animation: shake 0.4s ease; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

/* --- secret area --- */

.secret-area {
  position: fixed;
  inset: 0;
  z-index: 45;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.5s ease;
}

.secret-area[hidden] { display: none; }

.secret-inner {
  text-align: center;
  max-width: 480px;
  padding: 2rem;
}

.secret-inner h2 {
  font-family: var(--serif);
  font-size: 2rem;
  letter-spacing: 0.1em;
}

.secret-inner p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.secret-close {
  position: absolute;
  top: 1.6rem;
  right: clamp(1.2rem, 4vw, 3rem);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  cursor: pointer;
}

.secret-close:hover { color: var(--accent); border-color: var(--accent); }

@media (max-width: 640px) {
  .hero { padding-bottom: 8rem; }
  .loader-title { letter-spacing: 0.35em; font-size: 1.5rem; }
}