/* ===========================================
   Charlie Starnz — Cosmic Sphere Experience
   =========================================== */

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

/* Screen-reader-only utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:root {
  --color-bg: #050307;
  --color-text: #f5f0e8;
  --color-text-muted: rgba(245, 240, 232, 0.5);
  --color-gold: #d4af37;
  --color-gold-soft: rgba(212, 175, 55, 0.3);
  --font-display: 'Space Grotesk', 'Helvetica Neue', sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 300ms var(--ease-out);
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body {
  min-height: 100dvh;
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-display);
  cursor: grab;
}

/* Galaxy background layer */
.galaxy-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: url('./assets/galaxy.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Dark vignette overlay for readability */
.galaxy-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(
    ellipse at center,
    rgba(5, 3, 7, 0.35) 0%,
    rgba(5, 3, 7, 0.6) 50%,
    rgba(5, 3, 7, 0.85) 100%
  );
}

body:active {
  cursor: grabbing;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
  touch-action: none;
}

/* --- Loader --- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 800ms var(--ease-out), visibility 800ms var(--ease-out);
}

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

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

.loader-ring {
  width: 60px;
  height: 60px;
  margin: 0 auto 24px;
  border: 2px solid rgba(212, 175, 55, 0.15);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loader-text {
  font-size: clamp(0.875rem, 2.5vw, 1.125rem);
  font-weight: 400;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  opacity: 0;
  animation: fadeInDown 1.2s var(--ease-out) 0.5s forwards;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition-interactive);
}

.logo svg {
  color: var(--color-gold);
  filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.2));
}

.logo-text {
  font-size: clamp(0.7rem, 1.5vw, 0.875rem);
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

/* --- Hover Label --- */
.hover-label {
  position: fixed;
  z-index: 20;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.9);
  transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out);
  padding: 10px 24px;
  background: rgba(5, 3, 7, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-gold-soft);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text);
  white-space: nowrap;
}

.hover-label.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.hover-label::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 9999px;
  padding: 1px;
  background: linear-gradient(135deg, var(--color-gold), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* --- Footer --- */
.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: 24px 40px;
  display: flex;
  justify-content: center;
  opacity: 0;
  animation: fadeInUp 1.2s var(--ease-out) 1s forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.footer-text {
  font-size: clamp(0.625rem, 1.2vw, 0.75rem);
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* --- Mobile Hint --- */
.mobile-hint {
  position: fixed;
  bottom: 80px;
  left: 0;
  right: 0;
  z-index: 10;
  text-align: center;
  display: none;
}

.mobile-hint p {
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  animation: pulse 2s ease-in-out infinite;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .header {
    padding: 20px 24px;
  }

  .logo-text {
    font-size: 0.625rem;
    letter-spacing: 0.2em;
  }

  .footer {
    padding: 20px 24px;
  }

  .mobile-hint {
    display: block;
  }

  .footer-text {
    display: none;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 16px 20px;
  }

  .footer {
    padding: 16px 20px;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- Audio Player --- */
.audio-player {
  position: fixed;
  bottom: 56px;
  right: 24px;
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px 8px 8px;
  background: rgba(5, 3, 7, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: 9999px;
  opacity: 0;
  animation: fadeInUp 1.2s var(--ease-out) 1.5s forwards;
  transition: opacity 300ms var(--ease-out);
}

.audio-toggle {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}

.audio-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.3);
}

.audio-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 80px;
}

.audio-track-name {
  font-size: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.audio-progress-bar {
  width: 80px;
  height: 2px;
  background: rgba(245, 240, 232, 0.1);
  border-radius: 9999px;
  overflow: hidden;
}

.audio-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--color-gold);
  border-radius: 9999px;
  transition: width 200ms linear;
}

/* --- Page Overlay --- */
.page-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 3, 7, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 600ms var(--ease-out), visibility 600ms var(--ease-out);
}

.page-overlay.active {
  opacity: 1;
  visibility: visible;
}

.page-overlay-content {
  position: relative;
  width: 100%;
  max-width: 600px;
  padding: 60px 40px;
  text-align: center;
}

.page-close {
  position: absolute;
  top: 24px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 9999px;
  color: var(--color-gold);
  font-family: var(--font-display);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.page-close:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--color-gold);
}

.page-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.page-body .page-image {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-gold);
  box-shadow: 0 0 40px rgba(212, 175, 55, 0.2);
}

.page-body .page-video-wrap {
  width: min(560px, 80vw);
  max-width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid var(--color-gold);
  box-shadow: 0 0 40px rgba(212, 175, 55, 0.2);
  margin-bottom: 1.5rem;
}

.page-body .page-video {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.page-body .page-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text);
}

.page-body .page-subtitle {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  max-width: 400px;
  line-height: 1.6;
}

.page-body .page-coming-soon {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-gold);
  padding: 8px 24px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 9999px;
  margin-top: 8px;
}

@media (max-width: 768px) {
  .audio-player {
    bottom: 48px;
    right: 16px;
    padding: 6px 12px 6px 6px;
  }

  .audio-toggle {
    width: 28px;
    height: 28px;
  }

  .audio-progress-bar {
    width: 60px;
  }

  .page-overlay-content {
    padding: 80px 24px 40px;
  }

  .page-body .page-image {
    width: 140px;
    height: 140px;
  }
}