/* ================================================================
   🎬 CINEMATIC PRELOADER MASTERPIECE - ULTRA PREMIUM EDITION 🎬
   10-20 Second Choreographed Intro Sequence
   ================================================================ */

/* ==================== CORE PRELOADER ==================== */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh; /* Use dynamic viewport height for mobile */
  background: linear-gradient(135deg, #050505 0%, #0f1020 50%, #050510 100%); /* Darker, deeper background */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  overflow-y: auto; /* Allow scrolling if content is too tall */
  overflow-x: hidden;
  transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1),
              clip-path 1.5s cubic-bezier(0.76, 0, 0.24, 1);
  scrollbar-width: none; /* Firefox */
  cursor: default; /* Ensure cursor is visible */
}

.preloader::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

/* Animated background gradient */
.preloader::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 30% 50%,
    rgba(88, 166, 255, 0.15) 0%,
    transparent 40%
  ),
  radial-gradient(
    circle at 70% 50%,
    rgba(255, 107, 107, 0.1) 0%,
    transparent 40%
  );
  animation: bgRotate 20s linear infinite;
  z-index: 0;
}

@keyframes bgRotate {
  0%, 100% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.1); }
}

/* Particle system */
.preloader-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: radial-gradient(circle, rgba(88, 166, 255, 0.8), transparent);
  border-radius: 50%;
  pointer-events: none;
  animation: particleFloat 8s infinite ease-in-out;
}

@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0) translateX(0) scale(1);
    opacity: 0;
  }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% {
    transform: translateY(-100vh) translateX(50px) scale(0.5);
    opacity: 0;
  }
}

/* Main content container */
.preloader-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 1400px;
  padding: 2rem 1rem;
  margin: auto; /* Center vertically if scrolling is enabled */
  min-height: min-content;
  box-sizing: border-box;
}

.preloader-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.preloader-orbits {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120vmin;
  height: 120vmin;
  transform: translate(-50%, -50%);
  opacity: 0.4;
}

.preloader-orbit {
  position: absolute;
  border: 1px solid rgba(88, 166, 255, 0.2);
  border-radius: 50%;
  animation: orbitSpin 18s linear infinite;
  filter: blur(0.2px);
}

.preloader-orbit--outer {
  width: 100%;
  height: 100%;
}

.preloader-orbit--middle {
  width: 70%;
  height: 70%;
  top: 15%;
  left: 15%;
  animation-duration: 24s;
}

.preloader-orbit--inner {
  width: 40%;
  height: 40%;
  top: 30%;
  left: 30%;
  animation-duration: 30s;
}

@keyframes orbitSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.preloader-glow {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.6;
  animation: glowPulse 6s ease-in-out infinite;
}

.preloader-glow--one {
  top: 10%;
  left: 15%;
  background: rgba(88, 166, 255, 0.6);
}

.preloader-glow--two {
  bottom: 15%;
  right: 12%;
  background: rgba(255, 107, 107, 0.55);
  animation-delay: 1.2s;
}

.preloader-glow--three {
  bottom: 10%;
  left: 20%;
  background: rgba(76, 205, 196, 0.5);
  animation-delay: 2.1s;
}

@keyframes glowPulse {
  0%, 100% { transform: scale(0.85); opacity: 0.45; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

/* ==================== PROFILE PHOTO SECTION ==================== */
.preloader-profile {
  position: relative;
  margin-bottom: 3rem;
  opacity: 0;
  transform: scale(0.8) translateY(24px);
}

.preloader-profile-image {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(88, 166, 255, 0.3);
  box-shadow: 
    0 0 40px rgba(88, 166, 255, 0.4),
    0 0 80px rgba(88, 166, 255, 0.2),
    0 20px 60px rgba(0, 0, 0, 0.5);
  position: relative;
  z-index: 2;
  animation: profileBreathing 3s ease-in-out infinite;
}

@keyframes profileBreathing {
  0%, 100% {
    transform: scale(1) rotate(0deg);
    box-shadow: 
      0 0 40px rgba(88, 166, 255, 0.4),
      0 0 80px rgba(88, 166, 255, 0.2),
      0 20px 60px rgba(0, 0, 0, 0.5);
  }
  50% {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 
      0 0 60px rgba(88, 166, 255, 0.6),
      0 0 100px rgba(88, 166, 255, 0.3),
      0 25px 70px rgba(0, 0, 0, 0.6);
  }
}

/* Glowing ring around profile */
.preloader-profile::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 220px;
  height: 220px;
  border: 2px solid rgba(88, 166, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: ringPulse 3s ease-in-out infinite;
}

@keyframes ringPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.4;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.15);
    opacity: 0.8;
  }
}

/* ==================== NAME & TITLE SECTION ==================== */
.preloader-text {
  text-align: center;
  margin-bottom: 4rem;
  opacity: 0;
}

.preloader-name {
  font-size: 4rem;
  font-weight: 700;
  background: linear-gradient(135deg, #58a6ff 0%, #ffffff 50%, #58a6ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
  letter-spacing: 2px;
  text-shadow: 0 0 30px rgba(88, 166, 255, 0.3);
}

.preloader-name .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px) rotateX(-90deg);
}

.preloader-title {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 300;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.preloader-title .word {
  display: inline-block;
  margin: 0 0.5rem;
  opacity: 0;
  transform: translateY(20px);
}

.preloader-tagline {
  font-size: 1.2rem;
  color: rgba(88, 166, 255, 0.7);
  font-weight: 300;
  font-style: italic;
  opacity: 0;
  transform: translateY(20px);
}

.preloader-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3.5rem;
  opacity: 0;
  width: 100%;
  max-width: 1100px;
  padding: 0 1rem;
  box-sizing: border-box;
}

.preloader-highlight-card {
  position: relative;
  padding: 1.8rem 1.5rem;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(10, 18, 38, 0.7), rgba(15, 30, 60, 0.5));
  border: 1px solid rgba(88, 166, 255, 0.15);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.5rem;
  backdrop-filter: blur(14px);
  transform: translateY(24px) scale(0.92);
  opacity: 0;
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
  min-width: 0; /* Prevent overflow */
  box-sizing: border-box;
}

.preloader-highlight-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(88, 166, 255, 0.25), transparent 55%);
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: inherit;
}

.preloader-highlight-card:hover,
.preloader-highlight-card:focus {
  transform: translateY(-6px) scale(1);
  box-shadow: 0 28px 60px rgba(88, 166, 255, 0.35);
  border-color: rgba(88, 166, 255, 0.3);
  outline: none;
}

.preloader-highlight-card:hover::after,
.preloader-highlight-card:focus::after {
  opacity: 1;
}

.highlight-value {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 1px;
  line-height: 1.2;
}

.highlight-label {
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  font-weight: 400;
  color: rgba(199, 212, 255, 0.8);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.4;
}

/* ==================== PROJECT CARDS MOSAIC ==================== */
.preloader-projects {
  width: 100%;
  max-width: 1200px;
  opacity: 0;
}

.preloader-projects-title {
  text-align: center;
  font-size: 1.8rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
}

.preloader-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 0 1rem;
  width: 100%;
  max-width: 1200px;
  box-sizing: border-box;
}

.preloader-project-card {
  position: relative;
  aspect-ratio: 16/10;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(88, 166, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: scale(0.9) translateY(24px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.4s ease;
}

.preloader-project-card:hover {
  transform: scale(1.05) translateY(-8px);
  box-shadow: 0 12px 48px rgba(88, 166, 255, 0.3);
}

.preloader-project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.preloader-project-card:hover .preloader-project-image {
  transform: scale(1.1);
}

.preloader-project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.preloader-project-card:hover .preloader-project-overlay {
  transform: translateY(0);
}

.preloader-project-title {
  font-size: 1.1rem;
  color: #fff;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.preloader-project-category {
  font-size: 0.85rem;
  color: rgba(88, 166, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Floating animation for cards */
@keyframes cardFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-12px) scale(1.02);
  }
}

/* ==================== PROGRESS BAR ==================== */
.preloader-progress {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 500px;
  z-index: 20;
}

.preloader-progress-text {
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1rem;
  font-weight: 300;
  letter-spacing: 2px;
}

.preloader-progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.preloader-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #58a6ff 0%, #79c0ff 50%, #58a6ff 100%);
  background-size: 200% 100%;
  border-radius: 10px;
  width: 0%;
  transition: width 0.3s ease;
  animation: progressShine 2s linear infinite;
  box-shadow: 0 0 20px rgba(88, 166, 255, 0.6);
}

@keyframes progressShine {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.preloader-progress-percent {
  position: absolute;
  top: -30px;
  right: 0;
  font-size: 1.2rem;
  color: #58a6ff;
  font-weight: 600;
}

.preloader-skip {
  position: fixed; /* Fixed to stay visible even if scrolled */
  bottom: 2rem;
  right: 2rem;
  padding: 0.8rem 2rem;
  border-radius: 999px;
  border: 1px solid rgba(88, 166, 255, 0.6);
  background: rgba(10, 14, 25, 0.85);
  color: #e6edf3;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(12px);
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.preloader-skip:hover,
.preloader-skip:focus {
  transform: translateY(-3px);
  background: rgba(88, 166, 255, 0.25);
  box-shadow: 0 0 30px rgba(88, 166, 255, 0.5);
  border-color: #58a6ff;
  outline: none;
}

/* ==================== FADE OUT ANIMATION ==================== */
.preloader.fade-out {
  opacity: 0;
  clip-path: circle(0% at 50% 50%);
  pointer-events: none;
}

/* Hide main content during preload */
body.preloading #main-content {
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 0s 1s;
}

body.preloading {
  overflow: hidden;
}

body.loaded #main-content {
  opacity: 1;
  visibility: visible;
  transition: opacity 1s ease;
}

/* ==================== LOADING SPINNER (Backup) ==================== */
.preloader-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border: 3px solid rgba(88, 166, 255, 0.2);
  border-top-color: #58a6ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: none;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 1200px) {
  .preloader-highlights {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.2rem;
  }
  
  .preloader-projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.2rem;
  }
}

@media (max-width: 1024px) {
  .preloader-highlights {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 600px;
  }
  
  .preloader-projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .preloader-name {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
  }
  
  .preloader-profile-image {
    width: 140px;
    height: 140px;
  }
}

@media (max-width: 768px) {
  .preloader-content {
    padding: 1.5rem 0.75rem;
    padding-bottom: 8rem;
  }
  
  .preloader-highlights {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    margin-bottom: 2rem;
    max-width: 500px;
  }
  
  .preloader-highlight-card {
    padding: 1.2rem 1rem;
    align-items: center;
    text-align: center;
  }
  
  .preloader-projects-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0 0.75rem;
  }
  
  .preloader-name {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }
  
  .preloader-title {
    font-size: clamp(0.9rem, 3vw, 1rem);
  }
  
  .preloader-tagline {
    font-size: clamp(0.85rem, 2.5vw, 0.95rem);
  }
  
  .preloader-profile-image {
    width: 110px;
    height: 110px;
  }
  
  .preloader-progress {
    width: 90%;
    bottom: 5.5rem;
  }

  .preloader-skip {
    bottom: 1.5rem;
    right: 50%;
    transform: translateX(50%);
    width: auto;
    min-width: 120px;
    text-align: center;
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .preloader-skip:hover,
  .preloader-skip:focus {
    transform: translateX(50%) translateY(-3px);
  }
}

/* Short-height screens (e.g., 1366x768 laptops) */
@media (max-height: 900px) {
  .preloader {
    justify-content: flex-start;
    padding-top: 1.5rem;
  }

  .preloader-content {
    padding-top: 0.5rem;
  }

  .preloader-profile {
    margin-bottom: 2rem;
  }

  .preloader-text { 
    margin-bottom: 2rem; 
  }
  
  .preloader-highlights { 
    gap: 1rem; 
    margin-bottom: 2rem; 
  }
  
  .preloader-projects-title { 
    margin-bottom: 1rem;
    font-size: 1.5rem;
  }
  
  .preloader-projects-grid { 
    gap: 1rem; 
  }

  .preloader-name { 
    font-size: clamp(2rem, 4vw, 3rem); 
  }
  
  .preloader-title { 
    font-size: 1.1rem; 
  }
  
  .preloader-profile-image { 
    width: 130px; 
    height: 130px; 
  }

  .preloader-progress { 
    bottom: 1.5rem; 
  }
}

@media (max-height: 750px) {
  .preloader-profile { 
    margin-bottom: 1.5rem; 
  }
  
  .preloader-text { 
    margin-bottom: 1.5rem; 
  }
  
  .preloader-highlights { 
    margin-bottom: 1.5rem;
    gap: 0.8rem;
  }
  
  .preloader-projects-title { 
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
  }
  
  .preloader-projects-grid {
    gap: 0.8rem;
  }
  
  .preloader-profile-image { 
    width: 110px; 
    height: 110px; 
  }
}

/* Extra compact for very short heights */
@media (max-height: 700px) {
  .preloader-content { 
    padding-top: 0;
  }
  
  .preloader-projects-title { 
    display: none; 
  }
  
  .preloader-profile { 
    margin-bottom: 1rem; 
  }
  
  .preloader-text { 
    margin-bottom: 1rem; 
  }
  
  .preloader-highlights {
    margin-bottom: 1rem;
  }
}

@media (max-width: 480px) {
  .preloader-name {
    font-size: 1.8rem;
    letter-spacing: 1px;
  }
  
  .preloader-title {
    font-size: 0.85rem;
    letter-spacing: 1.5px;
  }
  
  .preloader-highlights {
    grid-template-columns: 1fr;
    gap: 0.7rem;
    max-width: 100%;
  }

  .highlight-value {
    font-size: 1.8rem;
  }

  .highlight-label {
    font-size: 0.75rem;
  }

  .preloader-projects-grid {
    gap: 0.8rem;
  }
  
  .preloader-project-card {
    aspect-ratio: 16/11;
  }
  
  .preloader-profile-image {
    width: 100px;
    height: 100px;
  }
}

/* ==================== ACCESSIBILITY ==================== */
@media (prefers-reduced-motion: reduce) {
  .preloader *,
  .preloader *::before,
  .preloader *::after {
    animation-duration: 0.01s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01s !important;
  }
}

/* Keyboard focus states */
.preloader-project-card:focus {
  outline: 2px solid #58a6ff;
  outline-offset: 4px;
}

/* ==================== PERFORMANCE OPTIMIZATIONS ==================== */
.preloader {
  will-change: opacity, clip-path;
}

.preloader-project-card,
.preloader-profile-image {
  will-change: transform;
}

/* GPU Acceleration */
.preloader-profile,
.preloader-text,
.preloader-projects,
.preloader-project-card {
  transform: translateZ(0);
  backface-visibility: hidden;
}