/* ===================================
   AETHER ANIMATION LIBRARY - MAIN STYLES
   Created: December 2025
=================================== */

/* ===================================
   CORE VARIABLES
=================================== */
:root {
  --bg-color: #050505;
  --text-main: #f0f0f0;
  --text-muted: #888888;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.86, 0, 0.07, 1);
}

/* ===================================
   BASE SETTINGS
=================================== */
body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: "Geist", sans-serif;
  overflow-x: hidden;
  cursor: none;
}

/* Accessibility: Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #fff;
  color: #000;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 10000;
  font-weight: bold;
}

.skip-link:focus {
  top: 0;
  cursor: pointer;
}

/* Accessibility: Focus Visible */
*:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  /* Keep essential animations for cursor and basic interactions */
  .cursor-circle,
  .cursor-dot {
    transition-duration: 0.1s !important;
  }
}

/* ===================================
   MOBILE-ONLY STYLES
=================================== */
@media (max-width: 768px) {
  /* Hide custom cursor on mobile */
  body {
    cursor: auto !important;
  }
  
  * {
    cursor: auto !important;
  }
  
  .cursor-dot,
  .cursor-circle {
    display: none !important;
  }
  
  /* Center download resume button */
  header a[download] {
    left: 50% !important;
    right: auto !important;
    transform: translateX(-50%) !important;
    bottom: 2rem !important;
  }
  
  /* Hide GitHub contribution graph */
  #github-graph-container {
    display: none !important;
  }
  
  /* Disable skill popups - make cards non-interactive */
  .tilt-card[data-skill] {
    pointer-events: none !important;
  }
  
  #skill-popup-overlay {
    display: none !important;
  }
  
  #skill-connector {
    display: none !important;
  }
  
  /* Fix contact button expansion for mobile */
  .contact-buttons-container {
    position: static !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem !important;
    margin-top: 1rem !important;
    transform: none !important;
  }
  
  .contact-main-btn.splitting {
    display: none !important;
  }
  
  .contact-social-btn,
  .contact-email-btn {
    position: static !important;
    opacity: 0 !important;
    transform: translateY(20px) scale(0.8) !important;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
  }
  
  .contact-buttons-container.active .contact-social-btn,
  .contact-buttons-container.active .contact-email-btn {
    opacity: 1 !important;
    transform: translateY(0) scale(1) !important;
  }
  
  .contact-social-btn:hover,
  .contact-email-btn:hover {
    transform: translateY(-4px) scale(1.05) !important;
  }
  
  /* Center contact button wrapper on mobile */
  .contact-button-wrapper {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  /* Make horizontal sections vertical on mobile */
  .horizontal-section {
    height: auto !important;
  }
  
  #horizontal-track {
    transform: none !important;
    overflow-x: visible !important;
    flex-direction: column !important;
    gap: 2rem !important;
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  /* Center items in key achievements section */
  #horizontal-track > * {
    width: 90% !important;
    max-width: 100% !important;
  }
  
  /* Fix sticky positioning on mobile */
  .horizontal-section .sticky {
    position: relative !important;
  }
  
  .sticky-wrapper {
    flex-direction: column !important;
  }
  
  .sticky-content {
    position: static !important;
  }
  
  /* Projects section - reduce gap on mobile */
  #projects .flex.flex-col.gap-32 {
    gap: 3rem !important;
  }
  
  #projects .pt-20 {
    padding-top: 0 !important;
  }
  
  /* Fix project card text overflow on mobile */
  #projects .absolute.bottom-8 {
    bottom: 1rem !important;
    left: 1rem !important;
    right: 1rem !important;
  }
  
  #projects .text-3xl {
    font-size: 1.5rem !important;
    line-height: 1.3 !important;
  }
  
  #projects .text-sm {
    font-size: 0.75rem !important;
    line-height: 1.4 !important;
  }
  
  /* Ensure project cards maintain aspect ratio on mobile */
  #projects .aspect-\[16\/9\] {
    aspect-ratio: 16/9 !important;
    min-height: 200px !important;
  }
  
  /* Hide timeline dots on mobile (keep the line) */
  #work .absolute.left-8.md\:left-1\/2.w-4.h-4 {
    display: none !important;
  }
  
  /* Make accordion vertical on mobile */
  .accordion-container {
    flex-direction: column !important;
    height: auto !important;
    gap: 1.5rem !important;
  }
  
  .accordion-item {
    flex: none !important;
    height: 300px !important;
    filter: grayscale(0%) !important;
  }
  
  .accordion-item:hover {
    flex: none !important;
  }
  
  .accordion-text {
    opacity: 1 !important;
    transform: translateY(0) !important;
  }
}

.font-display {
  font-family: "Space Grotesk", sans-serif;
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ===================================
   UI UTILITIES
=================================== */
.section-label {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 20;
  font-family: "Space Grotesk", monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #555;
  border: 1px solid #222;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

/* ===================================
   EFFECTS: NOISE OVERLAY
=================================== */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 90;
  opacity: 0.04;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* ===================================
   EFFECTS: PRELOADER
=================================== */
#preloader {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100vh !important;
  background: #000 !important;
  z-index: 9999 !important;
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  flex-direction: column !important;
  transition: transform 1s var(--ease-in-out) !important;
}

#preloader.loaded {
  transform: translateY(-100%) !important;
}

.loader-bar {
  width: 200px;
  height: 1px;
  background: #333;
  margin-top: 20px;
  position: relative;
  overflow: hidden;
}

.loader-progress {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0%;
  background: #fff;
  transition: width 0.1s linear;
}

/* ===================================
   EFFECTS: TILT CARD
=================================== */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
  cursor: pointer;
  will-change: transform;
}

.tilt-card > div {
  transform: translateZ(20px);
  will-change: transform;
}

/* ===================================
   SKILL POPUP
=================================== */
#skill-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
  will-change: opacity;
}

#skill-popup-overlay.left-side {
  justify-content: flex-start;
}

.tilt-card.active {
  position: fixed !important;
  z-index: 105 !important;
  filter: none !important;
  -webkit-filter: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  isolation: isolate !important;
  transform: translate3d(0, 0, 0) !important;
  -webkit-transform: translate3d(0, 0, 0) !important;
  will-change: transform;
}

.tilt-card.active > div {
  background: rgba(20, 20, 20, 1) !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  transform: translate3d(0, 0, 0) !important;
  -webkit-transform: translate3d(0, 0, 0) !important;
}

/* Placeholder to maintain grid space */
.tilt-card-placeholder {
  width: 100%;
  height: 100%;
  pointer-events: none;
  visibility: hidden;
}

#skill-popup {
  position: relative;
  background: rgba(10, 10, 10, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 2.5rem;
  max-width: 450px;
  width: 90%;
  transform: translateX(100px) scale(0.9);
  transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  backdrop-filter: blur(60px) saturate(200%);
  -webkit-backdrop-filter: blur(60px) saturate(200%);
  z-index: 110;
  cursor: grab;
}

#skill-popup-overlay.left-side #skill-popup {
  transform: translateX(-100px) scale(0.9);
}

#skill-popup-content {
  cursor: default;
}

@media (max-width: 768px) {
  #skill-popup-overlay {
    justify-content: center;
    align-items: flex-end;
    padding-bottom: 4rem;
  }

  #skill-popup {
    max-width: 90%;
    transform: translateY(100px) scale(0.9);
  }
}

.popup-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.05);
}

.popup-close:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
  transform: rotate(90deg);
}

.popup-close::before,
.popup-close::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 1px;
  background: white;
}

.popup-close::before {
  transform: rotate(45deg);
}

.popup-close::after {
  transform: rotate(-45deg);
}

#skill-connector {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 105;
  display: none;
}

#skill-connector line {
  stroke: rgba(255, 255, 255, 0.8);
  stroke-width: 2;
  stroke-dasharray: 5, 5;
  opacity: 0;
  transition: opacity 0.1s ease;
}

#skill-connector line.visible {
  opacity: 1;
  animation: dash 20s linear infinite;
}

#skill-connector circle {
  fill: rgba(255, 255, 255, 0.9);
  r: 4;
  opacity: 0;
  transition: opacity 0.1s ease;
}

#skill-connector circle.visible {
  opacity: 1;
}

@keyframes drawLine {
  from {
    stroke-dashoffset: 1000;
  }
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes dash {
  to {
    stroke-dashoffset: -1000;
  }
}

/* ===================================
   EFFECTS: COLOR TRAIL
=================================== */
.trail-img {
  position: fixed;
  pointer-events: none;
  width: 140px;
  height: 180px;
  object-fit: cover;
  z-index: 50;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.5);
  animation: trailAnim 0.8s forwards;
  border-radius: 6px;
}

@keyframes trailAnim {
  0% {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(0.8) rotate(var(--r));
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.2) rotate(var(--r));
  }
}

/* NOTE: Animation classes moved inline to index.html <style> tag to prevent Tailwind override */
/* reveal-item, img-zoom-bw, accordion-item, video-expand-wrapper are now inline */

/* ===================================
   COMPONENT: 3D TILT CARD
=================================== */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.1s;
}

.tilt-inner {
  transform: translateZ(40px);
}

/* ===================================
   COMPONENT: HORIZONTAL SCROLL
=================================== */
.horizontal-section {
  height: 400vh;
  position: relative;
}

.sticky-wrapper {
  position: relative;
  display: flex;
  align-items: flex-start;
}

.sticky-content {
  position: sticky;
  top: 20vh;
}

/* ===================================
   COMPONENT: MAGNETIC INTERACTION
=================================== */
#magnetic-section {
  position: relative;
}

.magnetic-wrap {
  display: inline-block;
  position: relative;
  z-index: 10;
}

.magnetic-content {
  transition: transform 0.1s linear;
  position: relative;
  z-index: 2;
  will-change: transform;
}

/* ===================================
   COMPONENT: VIDEO EXPAND
=================================== */
.video-expand-wrapper {
  width: 70% !important;
  margin: 0 auto !important;
  height: 70vh !important;
  border-radius: 20px !important;
  overflow: hidden !important;
  position: relative !important;
  transition: width 0.1s linear, border-radius 0.1s linear !important;
}

/* ===================================
   COMPONENT: MARQUEE
=================================== */
.marquee-track {
  display: flex;
  gap: 4rem;
  animation: marquee 20s linear infinite;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.marquee-item {
  font-size: 8rem;
  font-weight: 700;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.2);
  color: transparent;
  transition: all 0.5s;
  font-family: "Space Grotesk";
}

.marquee-container:hover .marquee-item {
  color: white;
  -webkit-text-stroke: 1px transparent;
}

/* ===================================
   KEY ACHIEVEMENTS: Scale Animation Override
=================================== */
#horizontal-track .group img {
  opacity: 1 !important;
  transition: transform 0.7s ease-out !important;
}

#horizontal-track .group:hover img {
  transform: scale(1.05) !important;
}

/* ===================================
   COMPONENT: ACCORDION
=================================== */
.accordion-container {
  display: flex;
  height: 70vh;
  gap: 1rem;
}

.accordion-item {
  flex: 1;
  position: relative;
  overflow: hidden;
  transition: flex 0.8s var(--ease-out);
  border-radius: 12px;
  filter: grayscale(100%);
}

.accordion-item:hover {
  flex: 3;
  filter: grayscale(0%);
}

.accordion-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.accordion-text {
  position: absolute !important;
  bottom: 2rem !important;
  left: 2rem !important;
  opacity: 0 !important;
  transform: translateY(20px) !important;
  transition: all 0.5s 0.2s !important;
  white-space: nowrap !important;
}

.accordion-item:hover .accordion-text {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* ===================================
   COMPONENT: CANVAS
=================================== */
#network-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.4;
}

/* ===================================
   COMPONENT: TOAST NOTIFICATION
=================================== */
#toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: white;
  color: black;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transform: translateY(100px);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 10000;
}

#toast.show {
  transform: translateY(0);
}

/* ===================================
   LAYOUT: FOOTER REVEAL
=================================== */
.main-content {
  position: relative;
  z-index: 10;
  background-color: var(--bg-color);
  margin-bottom: 80vh;
  box-shadow: 0 50px 50px #000;
}

.footer-fixed {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: auto;
  min-height: 100vh;
  max-height: 100vh;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}

.footer-fixed > div {
  width: 100%;
  padding-bottom: 2rem;
}

/* ===================================
   COMPONENT: MENU OVERLAY
=================================== */
#menu-overlay {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(5, 5, 5, 0.98);
  backdrop-filter: blur(20px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: right 0.8s var(--ease-in-out);
}

#menu-overlay.active {
  right: 0;
}

.menu-content {
  max-width: 800px;
  padding: 4rem 2rem;
}

.menu-item {
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  line-height: 1.1;
  position: relative;
  display: block;
  margin: 0.5rem 0;
}

.menu-item a {
  position: relative;
  display: inline-block;
  color: #444;
  text-decoration: none;
  cursor: pointer;
}

.menu-item a::before {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  background: radial-gradient(
    circle 150px at var(--x, 50%) var(--y, 50%),
    rgba(255, 255, 255, 1) 0%,
    rgba(255, 255, 255, 0.9) 20%,
    rgba(255, 255, 255, 0.3) 60%,
    transparent 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.menu-item a:hover::before {
  opacity: 1;
  animation: menuTextToWhite 1s ease-in-out 0.1s forwards;
}

@keyframes menuTextToWhite {
  to {
    background: #ffffff;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
}

.menu-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  cursor: pointer;
  z-index: 9001;
}

.menu-close::before,
.menu-close::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 2px;
  background: white;
  transition: transform 0.3s ease;
}

.menu-close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.menu-close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.menu-close:hover::before {
  transform: translate(-50%, -50%) rotate(225deg);
}

.menu-close:hover::after {
  transform: translate(-50%, -50%) rotate(135deg);
}

.menu-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid #222;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease 0.4s, transform 0.6s ease 0.4s;
}

#menu-overlay.active .menu-footer {
  opacity: 1;
  transform: translateY(0);
}

.menu-footer a {
  color: #888;
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.menu-footer a:hover {
  color: #fff;
}

/* ===================================
   CONTACT BUTTON SPLIT ANIMATION
=================================== */
.contact-button-wrapper {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}

.contact-main-btn {
  position: relative;
  z-index: 2;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.contact-main-btn.splitting {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

.contact-buttons-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  z-index: 1;
}

.contact-social-btn,
.contact-email-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  color: black;
  border: 2px solid white;
  opacity: 0;
  transform: translate(0, 0) scale(0.3) rotate(0deg);
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  transition-delay: var(--delay);
}

.contact-social-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
}

.contact-email-btn {
  height: 56px;
  padding: 0 24px;
  border-radius: 28px;
  gap: 8px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Active state - buttons fly out to positions */
.contact-buttons-container.active .contact-social-btn,
.contact-buttons-container.active .contact-email-btn {
  opacity: 1;
  transform: translate(calc(var(--position) * 70px), 0) scale(1)
    rotate(calc(var(--position) * 5deg));
}

/* Center button (LinkedIn) stays centered */
.contact-buttons-container.active .contact-social-btn[data-position="0"],
.contact-buttons-container.active .contact-email-btn[data-position="0"] {
  transform: translate(0, 0) scale(1) rotate(0deg);
}

.contact-social-btn:hover {
  transform: translate(calc(var(--position) * 70px), -8px) scale(1.15)
    rotate(0deg) !important;
  background: black;
  color: white;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
  z-index: 10;
}

.contact-email-btn:hover {
  transform: translate(calc(var(--position) * 70px), -8px) scale(1.1)
    rotate(0deg) !important;
  background: black;
  color: white;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
  z-index: 10;
}

.contact-social-btn svg,
.contact-social-btn i {
  width: 24px;
  height: 24px;
  min-width: 24px;
}

.contact-email-btn i {
  width: 20px;
  height: 20px;
}

.contact-email-btn:hover {
  transform: translate(calc(var(--position) * 70px), -8px) scale(1.1)
    rotate(0deg) !important;
  background: black;
  color: white;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

.contact-email-btn:hover {
  transform: scale(1.1) translateY(-4px);
  background: black;
  color: white;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

.contact-email-btn i {
  width: 20px;
  height: 20px;
}

#contact-trigger.hidden {
  opacity: 0;
  transform: scale(0);
  pointer-events: none;
}

/* ===================================
   TILT CARD EFFECT
=================================== */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
}

.tilt-inner {
  transform: translateZ(40px);
}