/* ========================================
   CSS VARIABLES - NEW COLOR THEME
======================================== */

:root {
  --primary-color: #ff8300;
  --primary-dark: #0099cc;
  --primary-light: #66e0ff;
  --accent-color: #00ffaa;
  --accent-dark: #00cc88;
  
  /* Gradients */
  --gradient-primary: transparent;
  --gradient-accent: linear-gradient(135deg, #00cc88, #00ffaa);
  --gradient-color: linear-gradient(135deg, #ae1d0d, #f5af19);
  
  /* Neutrals */
  --bg-overlay: rgba(0, 212, 255, 0.05);
  --bg-overlay-hover: rgba(0, 212, 255, 0.1);
  --border-color: rgba(0, 212, 255, 0.3);
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --text-muted: #cccccc;
}

/* ========================================
   RESET & BASE STYLES
======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  overflow: hidden;
  height: 100%;
}

body {
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  margin: 0;
  padding: 0;
  font-family: 'Inter', 'S1', Arial, sans-serif;
  color: var(--text-primary);
  position: relative;
}

body::-webkit-scrollbar,
#sections-container::-webkit-scrollbar {
  display: none;
}

body,
#sections-container {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ========================================
   PARALLAX BACKGROUND
======================================== */

#background-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  overflow: hidden;
}

#background-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 600vw;
  height: 100vh;
  background-image: url('../sky/6.jpg');
  background-size: 100vw 100vh;
  background-repeat: repeat-x;
  background-position: 0 0;
  transition: none;
  will-change: transform;
  z-index: 1;
}

#stars-layer-1,
#stars-layer-2,
#stars-layer-3 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  transition: none;
  will-change: transform;
}

#stars-layer-1 { z-index: 2; opacity: 0.5; }
#stars-layer-2 { z-index: 3; opacity: 0.8; }
#stars-layer-3 { z-index: 4; opacity: 1; }

/* ========================================
   SECTIONS CONTAINER
======================================== */

.section {
  min-width: 100vw;
  height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  overflow: hidden;
  background: transparent;
}

#sections-container {
  display: flex;
  height: 100vh;
  width: 600vw;
  transition: none;
  will-change: transform;
  position: relative;
  z-index: 1;
}

/* ========================================
   SPACESHIP
======================================== */

#space-ship {
  position: fixed;
  height: clamp(70px, 10vh, 150px);
  width: auto;
  z-index: 1000;
  transition: none;
  pointer-events: none;
  will-change: transform, top, left;
}

@media (min-width: 769px) {
  #space-ship {
    top: 45%;
    left: 5%;
    transform: rotate(90deg);
  }
}

@media (max-width: 768px) {
  #space-ship {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(90deg);
    height: clamp(60px, 8vh, 100px);
  }
}

/* ========================================
   MOBILE NAVIGATION
======================================== */

.mobile-nav-controls {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 1rem;
  z-index: 1001;
  pointer-events: none;
}

.nav-button {
  pointer-events: all;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.15);
  backdrop-filter: blur(10px);
  color: white;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.nav-button:hover {
  background: rgba(0, 212, 255, 0.25);
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.nav-button:active {
  transform: scale(0.95);
  background: rgba(0, 212, 255, 0.3);
}

.nav-button.disabled {
  opacity: 0.3;
  pointer-events: none;
}

@media (max-width: 768px) {
  .mobile-nav-controls {
    padding: 0.75rem;
  }
  
  .nav-button {
    width: 55px;
    height: 55px;
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .nav-button {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }
}

/* ========================================
   TYPOGRAPHY - WHITE COLOR
======================================== */

h1.page-title {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'S3', 'JetBrains Mono', monospace;
  font-size: clamp(2rem, 5vw, 4rem);
  text-align: center;
  z-index: 100;
  color: var(--text-primary);
  white-space: nowrap;
  padding: 0 1rem;
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

@media (max-width: 768px) {
  h1.page-title {
    top: 6%;
    font-size: clamp(1.6rem, 6vw, 2.5rem);
  }
}

@media (max-width: 480px) {
  h1.page-title {
    font-size: 1.6rem;
  }
}

/* ========================================
   PLANETS - LARGER SIZE
======================================== */

.planet {
  position: absolute;
  height: clamp(100px, 18vh, 250px);
  width: auto;
  pointer-events: none;
  opacity: 0.9;
  z-index: 5;
}

@media (max-width: 768px) {
  .planet {
    height: clamp(80px, 12vh, 150px);
    opacity: 0.7;
  }
}

@media (max-width: 480px) {
  .planet {
    height: clamp(60px, 10vh, 120px);
  }
}

/* ========================================
   AUDIO PLAYER
======================================== */

.audio-player-container {
  position: fixed;
  bottom: 4.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 1002;
  padding: 0.85rem 1.75rem;
  border-radius: 50px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.audio-player-text {
  font-family: 'S1', sans-serif;
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  color: white;
  margin: 0;
  white-space: nowrap;
}

#audio-player-button {
  background-color: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

#audio-player-button:hover {
  transform: scale(1.1);
}

#audio-player-button i {
  color: white;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
}

@media (max-width: 768px) {
  .audio-player-container {
    bottom: 4.5rem;
    padding: 0.75rem 1.5rem;
  }
  
  .audio-player-text {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .audio-player-text {
    display: none;
  }
  
  .audio-player-container {
    padding: 0.7rem;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    bottom: 4rem;
  }
  
  #audio-player-button i {
    font-size: 1.3rem;
  }
}

/* ========================================
   SECTION 1: WELCOME
======================================== */

.welcome-title {
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-family: 'S3', sans-serif;
  text-align: center;
  z-index: 1000;
}

.section1-welcome-instructions {
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'S13', sans-serif;
  font-size: clamp(1.1rem, 2.5vw, 2rem);
  text-align: center;
  padding: 0 1rem;
  max-width: 90%;
  z-index: 1000;
}

.section1-arrow1 {
  top: 68%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(90deg);
  height: clamp(50px, 9vh, 120px);
}

.section1-planet5 {
  opacity: 1;;
}

@media (min-width: 1201px) {
  .section1-planet1 { top: 50%; left: 60%; height: 25vh; }
  .section1-planet2 { top: 2%; left: 70%; height: 18vh; }
  .section1-planet3 { top: 25%; left: 90%; height: 22vh; }
  .section1-planet4 { top: 9%; left: 43%; height: 25vh; }
  .section1-planet5 { top: 5%; left: 35%; height: 70vh; }
}

@media (max-width: 768px) {
  .welcome-title {
    font-size: clamp(2rem, 9vw, 3.5rem);
  }
  
  .section1-welcome-instructions {
    top: 55%;
    font-size: 1.1rem;
  }
  
  .section1-planet1 { top: 18%; left: 65%; height: 10vh; }
  .section1-planet2 { top: 10%; left: 8%; height: 9vh; }
  .section1-planet3 { top: 62%; left: 70%; height: 9vh; }
  .section1-planet4 { top: 28%; left: 5%; height: 10vh; }
  .section1-planet5 { display: none; }
  .section1-arrow1 { display: none; }
}

@media (max-width: 480px) {
  .welcome-title {
    font-size: 2.2rem;
  }
  
  .section1-welcome-instructions {
    font-size: 1rem;
    top: 52%;
  }
}
/* ========================================
   SECTION 2: ABOUT & PROFILE - OPTIMIZED
======================================== */

.section2-container {
  width: 92%;
  max-width: 1200px;
  margin-top: 10%;
  z-index: 50;
  /* GPU Acceleration */
  transform: translateZ(0);
  will-change: auto;
}

.section2-profile-card {
  background: transparent;
  border: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  /* Reduce layout recalculations */
  contain: layout style;
}

/* LEFT SIDE - Name, Title, Summary */
.profile-header {
  text-align: left;
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  /* GPU Acceleration */
  transform: translateZ(0);
}

.profile-name {
  font-family: 'S13', sans-serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.2;
  /* OPTIMIZED: Simplified glow - single shadow */
  text-shadow: 0 0 40px rgba(0, 212, 255, 0.8);
  /* GPU Acceleration */
  transform: translateZ(0);
  will-change: text-shadow;
  /* OPTIMIZED: Reduced animation complexity */
  animation: nameGlowOptimized 4s ease-in-out infinite;
}

/* OPTIMIZED: Simpler animation with fewer shadow layers */
@keyframes nameGlowOptimized {
  0%, 100% {
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
  }
  50% {
    text-shadow: 0 0 50px rgba(0, 212, 255, 1);
  }
}

.profile-role {
  font-family: 'S13', sans-serif;
  font-size: clamp(1.3rem, 3vw, 2.2rem);
  color: var(--primary-color);
  margin-bottom: 2rem;
  line-height: 1.3;
  /* GPU Acceleration */
  transform: translateZ(0);
}

.profile-role i {
  color: var(--text-primary);
  margin: 0 0.5rem;
}

.profile-intro {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 0;
  text-align: left;
  /* GPU Acceleration */
  transform: translateZ(0);
}

/* RIGHT SIDE - Stats, Contact, Languages */
.profile-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  /* GPU Acceleration */
  transform: translateZ(0);
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 0;
  /* Reduce layout recalculations */
  contain: layout;
}

.stat-box {
  background: rgba(0, 212, 255, 0.1);
  border-radius: 15px;
  padding: 1.25rem;
  text-align: center;
  /* OPTIMIZED: Use transform instead of all properties */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  /* GPU Acceleration */
  transform: translateZ(0);
  will-change: transform;
  /* Reduce repaints */
  backface-visibility: hidden;
}

.stat-box:hover {
  transform: translateY(-5px) translateZ(0);
  /* OPTIMIZED: Removed background change to reduce repaints */
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

.stat-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  /* GPU Acceleration */
  transform: translateZ(0);
  backface-visibility: hidden;
}

.stat-icon i {
  font-size: 1.5rem;
  color: white;
}

.stat-content h4 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--primary-color);
  margin-bottom: 0.35rem;
  /* GPU Acceleration */
  transform: translateZ(0);
}

.stat-content p {
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  color: var(--text-muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 0;
  /* Reduce layout recalculations */
  contain: layout;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: clamp(0.9rem, 1.2vw, 1.05rem);
  color: var(--text-secondary);
  /* GPU Acceleration */
  transform: translateZ(0);
}

.contact-item i {
  color: var(--primary-color);
  min-width: 1.2rem;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item a,
.contact-item span {
  color: var(--text-secondary);
  text-decoration: none;
  /* OPTIMIZED: Only animate color */
  transition: color 0.2s ease;
  word-break: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

.contact-item a:hover {
  color: var(--primary-color);
}

.languages-section {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  /* GPU Acceleration */
  transform: translateZ(0);
}

.languages-section h4 {
  font-family: 'S13', sans-serif;
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: var(--primary-color);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.language-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.language-tags span {
  background: rgba(0, 212, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 15px;
  font-size: clamp(0.85rem, 1.1vw, 0.95rem);
  /* GPU Acceleration */
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Planet optimizations */
.section2-planet1,
.section2-planet2,
.section2-planet3 {
  /* GPU Acceleration for planets */
  transform: translateZ(0);
  will-change: auto;
  backface-visibility: hidden;
}

.section2-planet1 { top: 8%; left: 3%; height: 22vh; }
.section2-planet2 { bottom: 8%; right: 3%; height: 20vh; }
.section2-planet3 { top: 9%; left: 30%; height: 15vh; }

/* RESPONSIVE - OPTIMIZED */
@media (max-width: 1024px) {
  .section2-profile-card {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .profile-header {
    text-align: center;
  }
  
  .profile-intro {
    text-align: center;
  }
  
  .profile-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .section2-container {
    width: 90%;
    margin-top: 12%;
  }
  
  .section2-profile-card {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .profile-header {
    text-align: center;
  }
  
  .profile-intro {
    text-align: center;
  }
  
  .profile-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .stat-box {
    padding: 1rem;
  }
  
  .stat-icon {
    width: 45px;
    height: 45px;
  }
  
  .stat-icon i {
    font-size: 1.3rem;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .section2-planet1,
  .section2-planet2,
  .section2-planet3 {
    height: 12vh;
  }
  
  /* OPTIMIZED: Disable animation on mobile */
  .profile-name {
    animation: none;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
  }
}

@media (max-width: 480px) {
  .section2-container {
    margin-top: 14%;
    width: 88%;
  }
  
  .profile-name {
    font-size: 2rem;
    /* Disable animation on small screens */
    animation: none;
  }
  
  .profile-role {
    font-size: 1.2rem;
  }
  
  .profile-intro {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  .stat-content h4 {
    font-size: 1.4rem;
  }
  
  .stat-content p {
    font-size: 0.8rem;
  }
  
  .contact-item {
    font-size: 0.85rem;
  }
  
  .language-tags span {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }
}

/* PERFORMANCE: Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  .profile-name {
    animation: none !important;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
  }
  
  .stat-box {
    transition: none !important;
  }
}

/* ========================================
   SECTION 3: SKILLS HONEYCOMB
======================================== */

.honeycomb-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  z-index: 50;
  margin-top: 10%;
}

.honeycomb-row {
  display: flex;
  gap: 0.4rem;
  justify-content: center;
}

.honeycomb-row.row-2 {
  margin-left: 55px;
}

.hexagon {
  width: 100px;
  height: 115px;
  position: relative;
  transition: all 0.3s ease;
}

.hexagon:hover {
  transform: scale(1.15);
  z-index: 10;
}

.hexagon-content {
  width: 100%;
  height: 100%;
  background: rgba(0, 212, 255, 0.1);
  backdrop-filter: blur(10px);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.hexagon:hover .hexagon-content {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--primary-color);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.hexagon-content img {
  width: 45px;
  height: 45px;
  object-fit: contain;
  margin-bottom: 0.5rem;
}

.hexagon-content span {
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  color: white;
}

.expertise-tags {
  position: absolute;
  bottom: 6%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
  max-width: 88%;
}

.expertise-tag {
  background: rgba(0, 212, 255, 0.1);
  padding: 0.7rem 1.3rem;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  font-size: clamp(0.9rem, 1.2vw, 1rem);
}

.expertise-tag:hover {
  background: rgba(0, 212, 255, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

.expertise-tag i {
  color: var(--primary-color);
  font-size: 1rem;
}

.section3-planet1 { top: 1%; left: 33%; height: 24vh; }
.section3-planet2 { top: 46%; right: 3%; height: 31vh; }
.section3-planet3 { bottom: 10%; left: 12%; height: 14vh; }

@media (max-width: 768px) {
  .honeycomb-container {
    margin-top: 15%;
    gap: 0.3rem;
  }
  
  .honeycomb-row {
    gap: 0.3rem;
  }
  
  .honeycomb-row.row-2 {
    margin-left: 38px;
  }
  
  .hexagon {
    width: 70px;
    height: 81px;
  }
  
  .hexagon-content img {
    width: 32px;
    height: 32px;
    margin-bottom: 0.3rem;
  }
  
  .hexagon-content span {
    font-size: 0.65rem;
  }
  
  .expertise-tags {
    bottom: 4%;
    gap: 0.6rem;
    max-width: 90%;
  }
  
  .expertise-tag {
    padding: 0.55rem 1rem;
    font-size: 0.8rem;
  }
  
  .expertise-tag i {
    font-size: 0.85rem;
  }
  
  .section3-planet1,
  .section3-planet2,
  .section3-planet3 {
    height: 12vh;
  }
}

@media (max-width: 480px) {
  .honeycomb-container {
    margin-top: 17%;
  }
  
  .honeycomb-row.row-2 {
    margin-left: 33px;
  }
  
  .hexagon {
    width: 60px;
    height: 69px;
  }
  
  .hexagon-content img {
    width: 28px;
    height: 28px;
  }
  
  .hexagon-content span {
    font-size: 0.6rem;
  }
  
  .expertise-tags {
    gap: 0.5rem;
  }
  
  .expertise-tag {
    padding: 0.5rem 0.9rem;
    font-size: 0.75rem;
  }
}
/* ========================================
   SECTION 4: IMPROVED HORIZONTAL TIMELINE
======================================== */

.timeline-wave {
  width: 90%;
  max-width: 1400px;
  margin-top: 14%;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  z-index: 50;
}

.timeline-wave-line {
  position: absolute;
  top: 0%;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: translateY(-50%);
  z-index: 10;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.timeline-wave-item {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}

/* TOP CARDS */
.timeline-wave-item.timeline-top {
  flex-direction: column-reverse;
  padding-bottom: 2rem;
}

.timeline-wave-item.timeline-top .timeline-wave-card {
  margin-bottom: 0;
}

.timeline-wave-item.timeline-top .timeline-connector {
  margin-top: 0;
}

/* BOTTOM CARDS */
.timeline-wave-item.timeline-bottom {
  padding-top: 2rem;
}

.timeline-wave-item.timeline-bottom .timeline-wave-card {
  margin-top: 0;
}

.timeline-wave-item.timeline-bottom .timeline-connector {
  margin-bottom: 0;
}

.timeline-connector {
  width: 4px;
  height: 80px;
  background: var(--gradient-primary);
  position: relative;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.timeline-wave-dot {
  width: 28px;
  height: 28px;
  background: var(--gradient-primary);
  border-radius: 50%;
  border: 5px solid rgba(0, 0, 0, 0.8);
  box-shadow: 
    0 0 30px rgba(0, 212, 255, 0.8),
    0 0 60px rgba(0, 212, 255, 0.5),
    inset 0 0 20px rgba(255, 255, 255, 0.3);
  z-index: 10;
  position: relative;
  animation: dotPulse 2s infinite;
}

@keyframes dotPulse {
  0%, 100% {
    box-shadow: 
      0 0 30px rgba(0, 212, 255, 0.8),
      0 0 60px rgba(0, 212, 255, 0.5),
      inset 0 0 20px rgba(255, 255, 255, 0.3);
    transform: scale(1);
  }
  50% {
    box-shadow: 
      0 0 40px rgba(0, 212, 255, 1),
      0 0 80px rgba(0, 212, 255, 0.7),
      0 0 120px rgba(0, 212, 255, 0.4),
      inset 0 0 25px rgba(255, 255, 255, 0.5);
    transform: scale(1.15);
  }
}

.timeline-wave-card {
  background: rgba(0, 212, 255, 0.08);
  border-radius: 20px;
  padding: 1.75rem;
  transition: all 0.3s ease;
  width: 100%;
  max-width: 380px;
}

.timeline-wave-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-color);
  box-shadow: 0 15px 40px rgba(0, 212, 255, 0.35);
  background: rgba(0, 212, 255, 0.12);
}

.timeline-year {
  display: inline-block;
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1.2rem;
  border-radius: 18px;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.timeline-wave-card h3 {
  font-family: 'S13', sans-serif;
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.timeline-wave-card h4 {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.timeline-location {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.timeline-location i {
  color: var(--primary-color);
  margin-right: 0.5rem;
}

.timeline-highlights {
  list-style: none;
  padding: 0;
  margin-bottom: 1rem;
}

.timeline-highlights li {
  padding-left: 1.2rem;
  margin-bottom: 0.65rem;
  position: relative;
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  line-height: 1.5;
  color: var(--text-secondary);
}

.timeline-highlights li:before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1rem;
}

.timeline-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-tech span {
  background: rgba(0, 212, 255, 0.2);
  color: var(--primary-color);
  padding: 0.4rem 0.9rem;
  border-radius: 15px;
  font-size: 0.85rem;
  border: 1px solid var(--border-color);
}

.section4-planet1 { top: 8%; left: 6%; height: 20vh; }
.section4-planet2 { bottom: 12%; right: 8%; height: 18vh; }
.section4-planet3 { top: 47%; left: 29%; height: 4vh; z-index: 100;}
.section4-planet4 { top: 40%; left: 18%; height: 8vh; z-index: 100;}

@media (max-width: 1200px) {
  .timeline-wave {
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    margin-top: 16%;
  }
  
  .timeline-wave-line {
    display: none;
  }
  
  .timeline-wave-item {
    width: 100%;
    padding: 0 !important;
  }
  
  .timeline-wave-item.timeline-top,
  .timeline-wave-item.timeline-bottom {
    flex-direction: column;
  }
  
  .timeline-wave-item.timeline-top .timeline-wave-card,
  .timeline-wave-item.timeline-bottom .timeline-wave-card {
    margin: 0;
  }
  
  .timeline-connector {
    height: 80px;
  }
  
  .timeline-wave-card {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .timeline-wave {
    width: 90%;
    margin-top: 18%;
    gap: 2.5rem;
  }
  
  .timeline-wave-card {
    padding: 1.4rem;
  }
  
  .timeline-year {
    font-size: 0.85rem;
    padding: 0.4rem 1rem;
  }
  
  .timeline-wave-card h3 {
    font-size: 1.2rem;
  }
  
  .timeline-wave-card h4 {
    font-size: 1rem;
  }
  
  .timeline-location {
    font-size: 0.85rem;
  }
  
  .timeline-highlights li {
    font-size: 0.85rem;
    padding-left: 1rem;
  }
  
  .timeline-tech span {
    font-size: 0.8rem;
    padding: 0.35rem 0.8rem;
  }
  
  .timeline-connector {
    height: 60px;
  }
  
  .timeline-wave-dot {
    width: 24px;
    height: 24px;
    border-width: 4px;
  }
  
  .section4-planet1,
  .section4-planet2,
  .section4-planet3 {
    height: 12vh;
  }
}

@media (max-width: 480px) {
  .timeline-wave {
    margin-top: 20%;
    width: 88%;
  }
  
  .timeline-wave-card {
    padding: 1.2rem;
  }
  
  .timeline-connector {
    height: 50px;
  }
  
  .timeline-wave-dot {
    width: 20px;
    height: 20px;
  }
}

/* ========================================
   SECTION 5: PROJECTS GRID (3 IN A ROW)
======================================== */

.projects-grid {
  width: 90%;
  max-width: 1400px;
  margin-top: 12%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  z-index: 50;
}

.project-card {
  background: rgba(0, 212, 255, 0.08);
  border-radius: 20px;
  padding: 1.75rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-color);
  box-shadow: 0 12px 45px rgba(0, 212, 255, 0.3);
  background: rgba(0, 212, 255, 0.12);
}

.featured-project {
  grid-column: 1 / -1;
  background: rgba(0, 212, 255, 0.1);
}

/* 3 PROJECTS IN ONE ROW */
.projects-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.project-header {
  margin-bottom: 1rem;
}

.project-badge {
  display: inline-block;
  background: var(--gradient-primary);
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.project-header h3 {
  font-family: 'S13', sans-serif;
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.project-company {
  font-size: clamp(0.95rem, 1.2vw, 1rem);
  color: var(--primary-color);
  font-weight: 600;
}

.project-description {
  font-size: clamp(0.95rem, 1.2vw, 1rem);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.project-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.metric {
  background: rgba(0, 212, 255, 0.08);
  padding: 0.5rem 1rem;
  border-radius: 15px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: clamp(0.85rem, 1vw, 0.9rem);
  border: 1px solid var(--border-color);
}

.metric i {
  color: var(--primary-color);
  font-size: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tags span {
  background: rgba(0, 212, 255, 0.2);
  color: var(--primary-color);
  padding: 0.4rem 0.85rem;
  border-radius: 12px;
  font-size: 0.85rem;
  border: 1px solid var(--border-color);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border-radius: 20px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s ease;
  align-self: flex-start;
}

.project-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
}

.projects-footer {
  text-align: center;
  margin-top: 2rem;
}

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.25rem;
  color: white;
  text-decoration: none;
  border-radius: 30px;
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  font-weight: 600;
  transition: all 0.3s ease;
}

.view-all-btn:hover {
  background: var(--gradient-primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 35px rgba(0, 212, 255, 0.4);
}

.section5-planet1 { top: 8%; left: 6%; height: 18vh; }
.section5-planet2 { top: 48%; right: 6%; height: 16vh; }
.section5-planet3 { bottom: 10%; left: 0%; height: 14vh; }

@media (max-width: 1024px) {
  .projects-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .projects-grid {
    width: 90%;
    margin-top: 15%;
    gap: 1.5rem;
  }
  
  .projects-row {
    grid-template-columns: 1fr;
  }
  
  .project-card {
    padding: 1.4rem;
  }
  
  .project-header h3 {
    font-size: 1.2rem;
  }
  
  .project-company {
    font-size: 0.95rem;
  }
  
  .project-description {
    font-size: 0.9rem;
  }
  
  .metric {
    font-size: 0.85rem;
    padding: 0.45rem 0.9rem;
  }
  
  .project-tags span {
    font-size: 0.8rem;
  }
  
  .project-link {
    font-size: 0.9rem;
    padding: 0.65rem 1.3rem;
  }
  
  .section5-planet1,
  .section5-planet2,
  .section5-planet3 {
    height: 12vh;
  }
}

@media (max-width: 480px) {
  .projects-grid {
    margin-top: 17%;
    width: 88%;
  }
  
  .project-card {
    padding: 1.2rem;
  }
  
  .project-badge {
    font-size: 0.75rem;
  }
  
  .project-header h3 {
    font-size: 1.1rem;
  }
  
  .view-all-btn {
    padding: 0.9rem 2rem;
    font-size: 1rem;
  }
}

/* ========================================
   SECTION 6: EDUCATION & CERTIFICATIONS
======================================== */

.education-container {
  width: 90%;
  max-width: 1200px;
  margin-top: 12%;
  z-index: 50;
}

.education-card {
  background: rgba(0, 212, 255, 0.08);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 2.5rem;
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.edu-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.edu-icon i {
  font-size: 2rem;
  color: white;
}

.edu-content h2 {
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.edu-content h3 {
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.edu-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: clamp(0.95rem, 1.2vw, 1rem);
  color: var(--text-muted);
}

.edu-meta i {
  color: var(--primary-color);
  margin-right: 0.5rem;
}

.gpa {
  color: var(--primary-color);
  font-weight: 600;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.cert-card {
  background: rgba(0, 212, 255, 0.08);
  padding: 1.4rem;
  transition: all 0.3s ease;
  border-radius: 12px;
}

.cert-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.25);
  background: rgba(0, 212, 255, 0.12);
}

.featured-cert {
  background: rgba(0, 212, 255, 0.1);
}

.cert-badge {
  width: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  align-items: center;
  display: contents;
}

.cert-badge i {
  font-size: 1.4rem;
  color: white;
}

.cert-card h4 {
  font-size: clamp(1.05rem, 1.4vw, 1.15rem);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.cert-issuer {
  font-size: clamp(0.9rem, 1.1vw, 0.95rem);
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.cert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.cert-tags span {
  background: rgba(0, 212, 255, 0.2);
  color: var(--primary-color);
  padding: 0.4rem 0.85rem;
  border-radius: 12px;
  font-size: 0.8rem;
  border: 1px solid var(--border-color);
}

.cert-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
}

.cert-date {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.cert-verify {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border-radius: 15px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.cert-verify:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 18px rgba(0, 212, 255, 0.5);
}

.section6-planet1 { top: 10%; left: 8%; height: 18vh; }
.section6-planet2 { top: 48%; right: 8%; height: 16vh; }
.section6-planet3 { bottom: 12%; left: 10%; height: 14vh; }

@media (max-width: 768px) {
  .education-container {
    width: 90%;
    margin-top: 15%;
  }
  
  .education-card {
    flex-direction: column;
    text-align: center;
    padding: 1.6rem;
  }
  
  .edu-icon {
    width: 60px;
    height: 60px;
  }
  
  .edu-icon i {
    font-size: 1.7rem;
  }
  
  .edu-content h2 {
    font-size: 1.3rem;
  }
  
  .edu-content h3 {
    font-size: 1.05rem;
  }
  
  .edu-meta {
    justify-content: center;
    gap: 1rem;
    font-size: 0.9rem;
  }
  
  .certifications-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .cert-card {
    padding: 1.2rem;
  }
  
  .cert-badge {
    width: 45px;
    height: 45px;
  }
  
  .cert-badge i {
    font-size: 1.2rem;
  }
  
  .cert-card h4 {
    font-size: 1.05rem;
  }
  
  .cert-issuer {
    font-size: 0.9rem;
  }
  
  .cert-tags span {
    font-size: 0.75rem;
  }
  
  .cert-verify {
    font-size: 0.85rem;
    padding: 0.4rem 0.9rem;
  }
  
  .section6-planet1,
  .section6-planet2,
  .section6-planet3 {
    height: 12vh;
  }
}

@media (max-width: 480px) {
  .education-container {
    margin-top: 17%;
    width: 88%;
  }
  
  .education-card {
    padding: 1.4rem;
  }
  
  .cert-card {
    padding: 1.1rem;
  }
  
  .edu-content h2 {
    font-size: 1.2rem;
  }
  
  .edu-content h3 {
    font-size: 1rem;
  }
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
======================================== */

.section,
#space-ship,
.nav-button,
#background-layer {
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 768px) {
  * {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  p, li, span, a, h1, h2, h3, h4, h5, h6 {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
  }
}

@supports (-webkit-touch-callout: none) {
  .section {
    min-height: -webkit-fill-available;
  }
}

@media (max-width: 768px) {
  a, button {
    min-height: 44px;
    min-width: 44px;
  }
}

/* ========================================
   CRITICAL PERFORMANCE FIXES
======================================== */

/* Force GPU acceleration on animated elements */
#sections-container,
#background-layer,
#stars-layer-1,
#stars-layer-2,
#stars-layer-3 {
  will-change: transform;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  perspective: 1000px;
  -webkit-perspective: 1000px;
}

/* Disable transitions - we handle animation in JS */
#sections-container,
#background-layer,
#stars-layer-1,
#stars-layer-2,
#stars-layer-3 {
  transition: none !important;
}

/* Reduce paint complexity during navigation */
.section * {
  pointer-events: none;
}

.section a,
.section button,
.nav-button {
  pointer-events: auto;
}

/* Disable hover effects during navigation */
body.navigating * {
  pointer-events: none !important;
  transition: none !important;
}

/* Optimize planet rendering */
.planet {
  will-change: auto; /* Remove will-change when not animating */
  contain: layout style paint;
}

/* Reduce animation complexity on mobile */
@media (max-width: 768px) {
  .profile-name {
    animation: none !important;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
  }
  
  .timeline-wave-dot {
    animation: none !important;
  }
  
  @keyframes dotPulse {
    0%, 100% { transform: scale(1); }
  }
}

/* Optimize hexagon hover on mobile */
@media (max-width: 768px) {
  .hexagon:hover {
    transform: none;
  }
}