/* ====================================
   AAHVAAN'26 - EPIC LOADER
   Kurukshetra Battlefield Entrance
   ==================================== */

/* ========================================
   LOADER CONTAINER
   ======================================== */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--dark-700);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loader);
  cursor: pointer;
  overflow: hidden;
}

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

/* Battlefield Background Layer */
.loader::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(139, 0, 0, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255, 69, 0, 0.1) 0%, transparent 40%),
    radial-gradient(ellipse at 80% 80%, rgba(255, 69, 0, 0.1) 0%, transparent 40%),
    linear-gradient(180deg, var(--dark-700) 0%, var(--dark-600) 50%, var(--dark-700) 100%);
  z-index: 0;
}

/* Animated Smoke/Dust Layer */
.loader::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40%;
  background:
    linear-gradient(180deg,
      transparent 0%,
      rgba(26, 26, 26, 0.3) 30%,
      rgba(139, 0, 0, 0.05) 60%,
      rgba(10, 10, 10, 0.8) 100%);
  z-index: 1;
  animation: smokeDrift 8s ease-in-out infinite;
}

/* ========================================
   LOADER CONTENT
   ======================================== */
.loader-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8);
}

/* ========================================
   SHANKH (CONCH) ANIMATION
   ======================================== */
.loader-shankh {
  width: 120px;
  height: 120px;
  margin-bottom: var(--space-8);
  position: relative;
  animation: shankahPulse 2s ease-in-out infinite;
}

.loader-shankh::before {
  content: '🐚';
  font-size: 80px;
  filter: var(--glow-gold) sepia(1) saturate(3) hue-rotate(10deg);
  animation: shankahBlow 3s ease-in-out infinite;
}

/* Sound waves emanating from shankh */
.loader-shankh::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border: 2px solid var(--gold-500);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: soundWave 2s ease-out infinite;
  opacity: 0;
}

@keyframes shankahPulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

@keyframes shankahBlow {

  0%,
  100% {
    transform: rotate(-5deg);
  }

  50% {
    transform: rotate(5deg);
  }
}

@keyframes soundWave {
  0% {
    width: 100%;
    height: 100%;
    opacity: 0.8;
  }

  100% {
    width: 300%;
    height: 300%;
    opacity: 0;
  }
}

/* ========================================
   MANDALA SPINNER
   ======================================== */
.loader-mandala {
  width: 200px;
  height: 200px;
  position: relative;
  margin-bottom: var(--space-6);
}

.mandala-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid transparent;
}

.mandala-ring-1 {
  width: 200px;
  height: 200px;
  border-color: var(--gold-500);
  border-top-color: transparent;
  animation: rotateSlow 4s linear infinite;
}

.mandala-ring-2 {
  width: 160px;
  height: 160px;
  border-color: var(--gold-400);
  border-bottom-color: transparent;
  animation: rotateSlow 3s linear infinite reverse;
}

.mandala-ring-3 {
  width: 120px;
  height: 120px;
  border-color: var(--gold-300);
  border-left-color: transparent;
  animation: rotateSlow 2s linear infinite;
}

/* Center Om Symbol */
.mandala-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-hindi);
  font-size: var(--font-size-4xl);
  color: var(--gold-500);
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.6);
  animation: goldenPulse 2s ease-in-out infinite;
}

/* ========================================
   LOGO
   ======================================== */
.loader-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.loader-text {
  font-family: var(--font-display);
  font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-7xl));
  font-weight: var(--font-weight-black);
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  letter-spacing: 0.15em;
  filter: var(--glow-gold);
  animation: textShine 3s ease-in-out infinite;
}

.loader-year {
  font-family: var(--font-display);
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  font-weight: var(--font-weight-bold);
  color: var(--gold-400);
  letter-spacing: 0.3em;
  margin-top: -10px;
}

@keyframes textShine {

  0%,
  100% {
    filter: var(--glow-gold) brightness(1);
  }

  50% {
    filter: var(--glow-gold) brightness(1.2);
  }
}

/* ========================================
   SANSKRIT TAGLINE
   ======================================== */
.loader-tagline {
  font-family: var(--font-hindi);
  font-size: var(--font-size-xl);
  color: var(--fire-500);
  margin-bottom: var(--space-8);
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.5s forwards;
  text-shadow: 0 0 20px rgba(255, 107, 53, 0.4);
}

.loader-tagline-english {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: var(--space-2);
}

/* ========================================
   PROGRESS BAR
   ======================================== */
.loader-bar {
  width: 300px;
  max-width: 80vw;
  height: 4px;
  background: var(--dark-400);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  margin-bottom: var(--space-6);
}

.loader-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 1px solid var(--color-border-subtle);
  border-radius: inherit;
}

.loader-progress {
  height: 100%;
  width: 0%;
  background: var(--gradient-gold);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  position: relative;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.loader-progress::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4));
  animation: shimmer 1s linear infinite;
}

/* ========================================
   CLICK TO ENTER
   ======================================== */
.loader-click {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  color: var(--gold-500);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0;
  animation: pulseAppear 0.5s ease-out 2s forwards, goldenPulse 2s ease-in-out 2.5s infinite;
  cursor: pointer;
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--gold-500);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.loader-click:hover {
  background: var(--gold-500);
  color: var(--dark-700);
  box-shadow: var(--shadow-gold-strong);
}

@keyframes pulseAppear {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   WAR DRUMS QUOTE
   ======================================== */
.loader-quote {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  opacity: 0;
  animation: fadeInUp 1s ease-out 1.5s forwards;
}

.loader-quote-sanskrit {
  font-family: var(--font-hindi);
  font-size: var(--font-size-lg);
  color: var(--gold-400);
  margin-bottom: var(--space-2);
}

.loader-quote-english {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

/* ========================================
   LOADER PARTICLES (EMBERS)
   ======================================== */
.loader-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
  overflow: hidden;
}

.loader-ember {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--ember);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--ember), 0 0 12px rgba(255, 69, 0, 0.4);
  animation: emberFloat linear infinite;
}

/* Generate multiple embers with different positions and timings */
.loader-ember:nth-child(1) {
  left: 10%;
  animation-duration: 8s;
  animation-delay: 0s;
}

.loader-ember:nth-child(2) {
  left: 20%;
  animation-duration: 10s;
  animation-delay: 1s;
}

.loader-ember:nth-child(3) {
  left: 30%;
  animation-duration: 7s;
  animation-delay: 2s;
}

.loader-ember:nth-child(4) {
  left: 40%;
  animation-duration: 9s;
  animation-delay: 0.5s;
}

.loader-ember:nth-child(5) {
  left: 50%;
  animation-duration: 11s;
  animation-delay: 1.5s;
}

.loader-ember:nth-child(6) {
  left: 60%;
  animation-duration: 8s;
  animation-delay: 3s;
}

.loader-ember:nth-child(7) {
  left: 70%;
  animation-duration: 10s;
  animation-delay: 0.8s;
}

.loader-ember:nth-child(8) {
  left: 80%;
  animation-duration: 9s;
  animation-delay: 2.5s;
}

.loader-ember:nth-child(9) {
  left: 90%;
  animation-duration: 7s;
  animation-delay: 1.2s;
}

.loader-ember:nth-child(10) {
  left: 15%;
  animation-duration: 12s;
  animation-delay: 4s;
}

.loader-ember:nth-child(11) {
  left: 35%;
  animation-duration: 8s;
  animation-delay: 3.5s;
}

.loader-ember:nth-child(12) {
  left: 55%;
  animation-duration: 10s;
  animation-delay: 2.2s;
}

.loader-ember:nth-child(13) {
  left: 75%;
  animation-duration: 9s;
  animation-delay: 1.8s;
}

.loader-ember:nth-child(14) {
  left: 85%;
  animation-duration: 11s;
  animation-delay: 0.3s;
}

.loader-ember:nth-child(15) {
  left: 25%;
  animation-duration: 7s;
  animation-delay: 4.5s;
}

/* ========================================
   LOADER EXIT ANIMATION
   ======================================== */
.loader.exiting {
  animation: loaderExit 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.loader.exiting .loader-content {
  animation: contentExit 0.8s ease-in forwards;
}

@keyframes loaderExit {
  0% {
    clip-path: circle(150% at 50% 50%);
  }

  100% {
    clip-path: circle(0% at 50% 50%);
  }
}

@keyframes contentExit {
  0% {
    opacity: 1;
    transform: scale(1);
  }

  100% {
    opacity: 0;
    transform: scale(1.1);
  }
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */
@media (max-width: 768px) {
  .loader-mandala {
    width: 150px;
    height: 150px;
  }

  .mandala-ring-1 {
    width: 150px;
    height: 150px;
  }

  .mandala-ring-2 {
    width: 120px;
    height: 120px;
  }

  .mandala-ring-3 {
    width: 90px;
    height: 90px;
  }

  .loader-bar {
    width: 250px;
  }

  .loader-quote {
    padding: 0 var(--space-4);
  }
}

@media (max-width: 480px) {
  .loader-shankh {
    width: 80px;
    height: 80px;
  }

  .loader-shankh::before {
    font-size: 50px;
  }

  .loader-mandala {
    width: 120px;
    height: 120px;
  }

  .mandala-ring-1 {
    width: 120px;
    height: 120px;
  }

  .mandala-ring-2 {
    width: 90px;
    height: 90px;
  }

  .mandala-ring-3 {
    width: 60px;
    height: 60px;
  }

  .mandala-center {
    font-size: var(--font-size-2xl);
  }

  .loader-bar {
    width: 200px;
  }
}