/* ==========================================================================
   MALIK YUMNA - SCROLL REVEAL & KEYFRAME ANIMATIONS
   ========================================================================== */

/* Themed Intro Preloader Screen */
body.preloader-active {
  overflow: hidden !important;
}

.preloader-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: #070709;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.85s cubic-bezier(0.77, 0, 0.175, 1), opacity 0.6s ease;
  will-change: transform, opacity;
}

.preloader-overlay.preloader-finish {
  transform: translateY(-100%);
  pointer-events: none;
}

/* Ambient Radial Glow behind content */
.preloader-backdrop-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(223, 32, 50, 0.28) 0%, rgba(114, 19, 29, 0.15) 45%, transparent 70%);
  border-radius: 50%;
  filter: blur(55px);
  pointer-events: none;
  animation: preloaderGlowPulse 3s ease-in-out infinite alternate;
}

@keyframes preloaderGlowPulse {
  0% {
    transform: translate(-50%, -50%) scale(0.92);
    opacity: 0.6;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.15);
    opacity: 1;
  }
}

.preloader-container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 520px;
  width: 100%;
}

/* Badge Tag */
.preloader-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 1.1rem;
  border-radius: 9999px;
  background: rgba(223, 32, 50, 0.12);
  border: 1px solid rgba(223, 32, 50, 0.35);
  margin-bottom: 1.5rem;
}

.preloader-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #df2032;
  box-shadow: 0 0 10px #df2032;
  animation: preloaderDotPulse 1.2s infinite ease-in-out;
}

@keyframes preloaderDotPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

.preloader-tag-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: #ff8591;
  text-transform: uppercase;
}

/* Main Brand Title */
.preloader-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3.2rem, 7.5vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #ffffff;
  line-height: 1;
  margin: 0 0 0.85rem 0;
  text-shadow: 0 0 35px rgba(223, 32, 50, 0.45);
}

/* Thematic Roles */
.preloader-roles {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: #a1a1aa;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 2.2rem;
}

.preloader-sep {
  color: #df2032;
  opacity: 0.8;
}

/* Progress Box */
.preloader-loader-box {
  width: 100%;
  max-width: 320px;
}

.preloader-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5);
}

.preloader-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #72131d 0%, #df2032 50%, #ff5767 100%);
  border-radius: 9999px;
  box-shadow: 0 0 16px rgba(223, 32, 50, 0.95);
  transition: width 0.05s linear;
}

.preloader-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.preloader-status-label {
  color: #71717a;
  font-weight: 600;
  text-transform: uppercase;
}

.preloader-counter {
  font-weight: 800;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

/* Keyframe Animations */
@keyframes fadeInCard {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.35;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 0.55;
    transform: translate(-50%, -50%) scale(1.08);
  }
}

.hero-glow-sphere {
  animation: pulseGlow 6s ease-in-out infinite;
}

@keyframes gentleFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.hero-center-photo {
  animation: gentleFloat 5s ease-in-out infinite;
}

/* ==========================================================================
   SCROLL REVEAL TRANSFORM ANIMATIONS (Triggered dynamically on scroll down)
   ========================================================================== */

/* Base hidden state when JS is running */
.js-reveal-active .reveal-on-scroll {
  opacity: 0;
  transform: translateY(45px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

/* Revealed state */
.js-reveal-active .reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Allow interactive cards to elevate on hover even after revealed */
.js-reveal-active .reveal-on-scroll.revealed.project-card:hover {
  transform: translateY(-6px);
}
.js-reveal-active .reveal-on-scroll.revealed.cert-card-item:hover {
  transform: translateY(-4px);
}

/* Scale variant (for cards & photos) */
.js-reveal-active .reveal-on-scroll.reveal-scale {
  transform: scale(0.93) translateY(40px);
}

.js-reveal-active .reveal-on-scroll.reveal-scale.revealed {
  transform: scale(1) translateY(0);
}

/* Horizontal slide variants */
.js-reveal-active .reveal-on-scroll.reveal-left {
  transform: translateX(-40px);
}

.js-reveal-active .reveal-on-scroll.reveal-left.revealed {
  transform: translateX(0);
}

.js-reveal-active .reveal-on-scroll.reveal-right {
  transform: translateX(40px);
}

.js-reveal-active .reveal-on-scroll.reveal-right.revealed {
  transform: translateX(0);
}

/* Staggered Delay Utilities */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }