/* =========================================================================
   Favicon Glowing Construction & Reveal Loader
   Self-contained loader overlay with glowing aura reveal effect.
   ========================================================================= */

:root {
  --t-loader-logo-src: url("/android-chrome-512x512.png"); /* Site Favicon Asset */
  --t-loader-size: clamp(100px, 24vw, 220px);
  --t-loader-bg: rgba(12, 12, 14, 0.94);
  --t-loader-text-color: #ffffff;
  --t-loader-glow: rgba(196, 30, 58, 0.95);
  --t-loader-glow-subtle: rgba(196, 30, 58, 0.35);
}

/* ---------- Overlay shell ---------- */
.t-loader-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: var(--t-loader-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.45s ease;
}

.t-loader-overlay[hidden],
.t-loader-overlay.t-loader-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ---------- Logo stage ---------- */
.t-loader-stage {
  position: relative;
  width: var(--t-loader-size);
  height: var(--t-loader-size);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Ambient Radial Glow Aura */
.t-loader-stage::before {
  content: "";
  position: absolute;
  width: 140%;
  height: 140%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--t-loader-glow-subtle) 0%, rgba(196, 30, 58, 0.08) 55%, transparent 75%);
  animation: t-aura-pulse 2.4s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
}

@keyframes t-aura-pulse {
  0% { transform: scale(0.85); opacity: 0.5; }
  100% { transform: scale(1.15); opacity: 0.95; filter: blur(4px); }
}

.t-loader-img,
.t-loader-glow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* Base Favicon layer: revealed bottom-to-top with glowing drop-shadow */
.t-loader-img {
  background-image: var(--t-loader-logo-src);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  filter: drop-shadow(0 0 16px rgba(196, 30, 58, 0.6));
  animation: t-favicon-reveal-loop 3.0s cubic-bezier(0.65, 0, 0.35, 1) infinite;
  will-change: clip-path, filter, transform;
}

/* Glow sweep layer: masked to favicon silhouette */
.t-loader-glow {
  background: linear-gradient(
    115deg,
    transparent 20%,
    rgba(255, 255, 255, 0.9) 45%,
    var(--t-loader-glow) 50%,
    rgba(255, 255, 255, 0.9) 55%,
    transparent 80%
  );
  background-size: 280% 280%;
  -webkit-mask-image: var(--t-loader-logo-src);
  mask-image: var(--t-loader-logo-src);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  mix-blend-mode: screen;
  opacity: 0.95;
  animation: t-shimmer 2.0s linear infinite, t-favicon-reveal-loop 3.0s cubic-bezier(0.65, 0, 0.35, 1) infinite;
  will-change: background-position, clip-path;
  z-index: 2;
}

/* ---------- Favicon reveal animation loop ---------- */
@keyframes t-favicon-reveal-loop {
  0% {
    clip-path: inset(100% 0 0 0);
    filter: drop-shadow(0 0 0 rgba(196, 30, 58, 0));
    transform: scale(0.92);
  }
  40% {
    clip-path: inset(0% 0 0 0);
    filter: drop-shadow(0 0 18px rgba(196, 30, 58, 0.75));
    transform: scale(1.02);
  }
  70% {
    clip-path: inset(0% 0 0 0);
    filter: drop-shadow(0 0 28px rgba(196, 30, 58, 0.95));
    transform: scale(1.05);
  }
  88% {
    clip-path: inset(0% 0 0 0);
    filter: drop-shadow(0 0 10px rgba(196, 30, 58, 0.4));
    transform: scale(1);
  }
  100% {
    clip-path: inset(100% 0 0 0);
    filter: drop-shadow(0 0 0 rgba(196, 30, 58, 0));
    transform: scale(0.92);
  }
}

@keyframes t-shimmer {
  0% {
    background-position: -40% -40%;
  }
  100% {
    background-position: 140% 140%;
  }
}

/* ---------- Label ---------- */
.t-loader-label {
  font-family: 'Outfit', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t-loader-text-color);
  opacity: 0.9;
}

.t-loader-label::after {
  content: "";
  display: inline-block;
  width: 1ch;
  animation: t-dots 1.4s steps(4) infinite;
}

@keyframes t-dots {
  0% { content: ""; }
  25% { content: "."; }
  50% { content: ".."; }
  75% { content: "..."; }
  100% { content: ""; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .t-loader-img {
    animation: none;
    clip-path: none;
    filter: none;
  }
  .t-loader-glow {
    animation: none;
    display: none;
  }
  .t-loader-stage::before {
    animation: none;
  }
  .t-loader-label::after {
    animation: none;
    content: "";
  }
}

/* ---------- Fallback ---------- */
.t-loader-stage.t-loader-fallback .t-loader-img {
  animation: none;
  clip-path: none;
  filter: none;
  opacity: 1;
}
.t-loader-stage.t-loader-fallback .t-loader-glow {
  display: none;
}

.t-loader-stage.t-loader-broken-img .t-loader-img,
.t-loader-stage.t-loader-broken-img .t-loader-glow {
  display: none;
}
.t-loader-stage.t-loader-broken-img::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 46%;
  height: 46%;
  border-radius: 50%;
  border: 4px solid rgba(196, 30, 58, 0.25);
  border-top-color: rgba(196, 30, 58, 0.95);
  animation: t-spin 0.9s linear infinite;
}
@media (prefers-reduced-motion: reduce) {
  .t-loader-stage.t-loader-broken-img::after {
    animation: none;
  }
}
@keyframes t-spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 420px) {
  .t-loader-label {
    font-size: 0.88rem;
  }
}