/* Loading screen shown on the first visit (markup in index.html, logic in loader.js). */

#loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    radial-gradient(50% 40% at 50% 45%, rgba(59, 100, 200, 0.14), transparent 70%),
    linear-gradient(135deg, #04060d 0%, #0a1229 50%, #04060d 100%);
  color: #e8ecf8;
  font-family: Inter, 'IBM Plex Sans Arabic', system-ui, sans-serif;
  transition: transform 0.9s cubic-bezier(0.76, 0, 0.24, 1);
  /* safety net: disappears by itself if the script never runs */
  animation: loader-fallback 0.4s 7s forwards;
}

/* same dot grid as the site background, fading toward the edges */
#loader::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(65% 55% at 50% 50%, #000, transparent);
  mask-image: radial-gradient(65% 55% at 50% 50%, #000, transparent);
}

.loader-content {
  position: relative;
  padding: 0 24px;
  text-align: center;
  animation: loader-in 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) both;
  transition: opacity 0.35s, transform 0.35s;
}

.loader-name {
  margin: 0;
  font: 800 clamp(30px, 4.2vw, 40px) / 1.05 'Bricolage Grotesque', 'IBM Plex Sans Arabic', system-ui, sans-serif;
  letter-spacing: -0.02em;
}

.loader-role {
  margin: 10px 0 0;
  font: 700 clamp(17px, 2.2vw, 22px) / 1.3 'Bricolage Grotesque', 'IBM Plex Sans Arabic', system-ui, sans-serif;
  background: linear-gradient(90deg, #5b8def, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.loader-stack {
  margin: 14px 0 0;
  font: 400 13px 'JetBrains Mono', ui-monospace, monospace;
  color: #9aa6c8;
}

.loader-bar {
  width: min(320px, 70vw);
  height: 4px;
  margin: 34px auto 0;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.loader-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #22d3ee);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
  transform: scaleX(0);
  transform-origin: left;
}
[dir='rtl'] .loader-bar span {
  transform-origin: right;
}

.loader-status {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(320px, 70vw);
  margin: 12px auto 0;
  font: 400 12px 'JetBrains Mono', 'IBM Plex Sans Arabic', ui-monospace, monospace;
  color: #9aa6c8;
}
.loader-step::before {
  content: '› ';
  color: #5b8def;
}
.loader-pct {
  color: #e8ecf8;
}

.loader-particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #7aa2ff;
  opacity: 0;
  animation: loader-float linear infinite;
}

/* exit: the text fades up, then the whole screen lifts like a curtain */
#loader.loader-hide {
  transform: translateY(-100%);
}
#loader.loader-hide .loader-content {
  opacity: 0;
  transform: translateY(-16px);
}

@keyframes loader-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@keyframes loader-float {
  0% { transform: translateY(20px); opacity: 0; }
  25% { opacity: 0.7; }
  100% { transform: translateY(-90px); opacity: 0; }
}
@keyframes loader-fallback {
  to { opacity: 0; visibility: hidden; }
}
@media (prefers-reduced-motion: reduce) {
  #loader { display: none; }
}