/* ============================================
   ITAY BRACHA PORTFOLIO - Main Stylesheet
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a2e;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0b0;
  --accent: #00d4ff;
  --accent-alt: #7b2ff7;
  --accent-glow: rgba(0, 212, 255, 0.3);
  --accent-alt-glow: rgba(123, 47, 247, 0.3);
  --gradient-main: linear-gradient(135deg, #00d4ff, #7b2ff7);
  --gradient-bg: linear-gradient(135deg, #0a0a0f 0%, #12121a 50%, #0a0a0f 100%);
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', monospace;
  --nav-height: 70px;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s var(--transition-smooth);
}

a:hover {
  color: var(--accent-alt);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-alt);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* --- 3D Background Canvas --- */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  transition: background 0.3s var(--transition-smooth);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav__logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

.nav__links a {
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s var(--transition-smooth);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: width 0.3s var(--transition-smooth);
  border-radius: 1px;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--text-primary);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 60%;
}

.nav__burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  z-index: 1001;
}

.nav__burger span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s var(--transition-smooth);
  border-radius: 2px;
}

.nav__burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__burger.active span:nth-child(2) {
  opacity: 0;
}

.nav__burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Main Content --- */
.main-content {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-height);
  min-height: 100vh;
}

/* --- Sections --- */
.section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section__title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
}

/* --- Hero Section --- */
.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  position: relative;
}

.hero__greeting {
  font-size: 1.2rem;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s var(--transition-smooth) 0.2s forwards;
}

.hero__name {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s var(--transition-smooth) 0.4s forwards;
}

.hero__tagline {
  font-size: clamp(1rem, 3vw, 1.4rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s var(--transition-smooth) 0.6s forwards;
}

.hero__cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s var(--transition-smooth) 0.8s forwards;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--transition-smooth);
  text-decoration: none;
}

.btn--primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}

.btn--outline:hover {
  background: rgba(0, 212, 255, 0.1);
  transform: translateY(-2px);
  color: var(--accent);
}

/* --- Snippet Cards (Main Page) --- */
.snippets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.snippet-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.snippet-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transition: transform 0.4s var(--transition-smooth);
}

.snippet-card:hover::before {
  transform: scaleX(1);
}

.snippet-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.snippet-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.snippet-card__title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.snippet-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.snippet-card__arrow {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  font-size: 1.2rem;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s var(--transition-smooth);
}

.snippet-card:hover .snippet-card__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* --- Project Gallery --- */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: pointer;
  display: block;
  text-decoration: none;
  group: true;
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--transition-smooth);
}

.project-card__placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--accent);
  transition: transform 0.5s var(--transition-smooth);
}

.project-card:hover .project-card__image,
.project-card:hover .project-card__placeholder {
  transform: scale(1.05);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.95) 0%, rgba(10, 10, 15, 0.4) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  transition: all 0.4s var(--transition-smooth);
}

.project-card:hover .project-card__overlay {
  background: linear-gradient(to top, rgba(10, 10, 15, 0.98) 0%, rgba(10, 10, 15, 0.6) 60%, rgba(10, 10, 15, 0.2) 100%);
}

.project-card__title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.3rem;
}

.project-card__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-card__tag {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  background: rgba(0, 212, 255, 0.15);
  color: var(--accent);
  border-radius: 20px;
  font-weight: 500;
}

/* --- Project Detail Page --- */
.project-detail {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.project-detail__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 0.9rem;
  transition: color 0.3s;
}

.project-detail__back:hover {
  color: var(--accent);
}

.project-detail__title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.project-detail__desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

/* Carousel */
.carousel {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 2.5rem;
  background: var(--bg-card);
  aspect-ratio: 16/9;
}

.carousel__track {
  display: flex;
  transition: transform 0.5s var(--transition-smooth);
  height: 100%;
}

.carousel__slide {
  min-width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel__slide-placeholder {
  font-size: 5rem;
  color: var(--accent);
  opacity: 0.5;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(10, 10, 15, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--accent);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 2;
}

.carousel__btn:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--accent);
}

.carousel__btn--prev { left: 1rem; }
.carousel__btn--next { right: 1rem; }

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-secondary);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  padding: 0;
}

.carousel__dot.active {
  background: var(--accent);
  width: 24px;
  border-radius: 4px;
}

/* --- Music Page --- */
.music-visualizer-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  transition: background 2s ease;
}

.music-players {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.music-player {
  background: rgba(26, 26, 46, 0.8);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: all 0.4s var(--transition-smooth);
}

.music-player:hover {
  border-color: rgba(0, 212, 255, 0.15);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

.music-player__art {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.music-player__art-vinyl {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.1);
  animation: spin 3s linear infinite paused;
}

.music-player.playing .music-player__art-vinyl {
  animation-play-state: running;
}

.music-player__info {
  flex: 1;
  min-width: 0;
}

.music-player__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-player__artist {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
}

.music-player__progress {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.music-player__progress-fill {
  height: 100%;
  background: var(--gradient-main);
  border-radius: 2px;
  width: 0%;
  position: relative;
  transition: width 0.1s linear;
}

.music-player__progress-fill::after {
  content: '';
  position: absolute;
  right: -4px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.2s;
}

.music-player:hover .music-player__progress-fill::after {
  opacity: 1;
}

.music-player__time {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
  font-family: var(--font-mono);
}

.music-player__controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.music-player__btn {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.3s;
}

.music-player__btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent);
}

.music-player__btn--play {
  width: 48px;
  height: 48px;
  background: var(--gradient-main);
  color: #fff;
  font-size: 1.1rem;
}

.music-player__btn--play:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 20px var(--accent-glow);
  color: #fff;
}

.music-player__volume {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.music-player__volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
}

.music-player__volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

/* Atmospheric Particles */
.atmos-particle {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
  opacity: 0;
  transition: all 2s ease;
}

/* --- Videos Page --- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.video-card {
  background: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.4s var(--transition-smooth);
}

.video-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.15);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.video-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  padding: 1rem 1.2rem 0.5rem;
  color: var(--text-primary);
}

.video-card__embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}

.video-card__embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-card__subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.5rem 1.2rem 1rem;
  line-height: 1.4;
}

/* --- About Page --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}

.about__avatar {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1;
  border-radius: 20px;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
  overflow: hidden;
}

.about__avatar::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 18px;
  background: var(--bg-card);
  z-index: 0;
}

.about__avatar span {
  position: relative;
  z-index: 1;
}

.about__bio {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.about__skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.skill-tag {
  padding: 0.4rem 1rem;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  transition: all 0.3s;
}

.skill-tag:hover {
  background: rgba(0, 212, 255, 0.15);
  transform: translateY(-2px);
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat__number {
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat__label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

/* --- Surprise Game Page --- */
.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.game-canvas {
  border-radius: 16px;
  border: 2px solid rgba(0, 212, 255, 0.2);
  background: #000;
  max-width: 100%;
  cursor: crosshair;
}

.game-hud {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.game-hud__item {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.game-hud__value {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.2rem;
}

.game-controls {
  display: flex;
  gap: 1rem;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s var(--transition-smooth);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.8s var(--transition-smooth);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.8s var(--transition-smooth);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.8s var(--transition-smooth);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s var(--transition-smooth);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.85rem;
  position: relative;
  z-index: 1;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

/* --- Global Mute Button --- */
#global-mute-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid rgba(0, 212, 255, 0.25);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

#global-mute-btn:hover {
  border-color: var(--accent);
  transform: scale(1.1);
  box-shadow: 0 4px 25px var(--accent-glow);
}

#global-mute-btn .mute-icon--off { display: none; }
#global-mute-btn .mute-icon--on { display: block; }
#global-mute-btn.muted .mute-icon--off { display: block; }
#global-mute-btn.muted .mute-icon--on { display: none; }

/* Pulse ring animation when playing */
#global-mute-btn::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  animation: muteRing 2s ease-out infinite;
}

#global-mute-btn.muted::before {
  animation: none;
  opacity: 0;
}

@keyframes muteRing {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* --- Explore Section (Redesigned) --- */
.explore-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: auto auto;
  gap: 1rem;
  margin-top: 2rem;
}

.explore-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  text-decoration: none;
  color: inherit;
  min-height: 220px;
  transition: all 0.5s var(--transition-smooth);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.explore-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  transition: all 0.5s var(--transition-smooth);
}

.explore-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* Unique gradient per card */
.explore-card--projects::before { background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(26, 26, 46, 0.95) 100%); }
.explore-card--music::before { background: linear-gradient(135deg, rgba(123, 47, 247, 0.2) 0%, rgba(26, 26, 46, 0.95) 100%); }
.explore-card--videos::before { background: linear-gradient(135deg, rgba(255, 100, 50, 0.15) 0%, rgba(26, 26, 46, 0.95) 100%); }
.explore-card--about::before { background: linear-gradient(135deg, rgba(0, 200, 150, 0.15) 0%, rgba(26, 26, 46, 0.95) 100%); }
.explore-card--surprise::before { background: linear-gradient(135deg, rgba(255, 200, 0, 0.15) 0%, rgba(26, 26, 46, 0.95) 100%); }

.explore-card:hover.explore-card--projects::before { background: linear-gradient(135deg, rgba(0, 212, 255, 0.3) 0%, rgba(26, 26, 46, 0.9) 100%); }
.explore-card:hover.explore-card--music::before { background: linear-gradient(135deg, rgba(123, 47, 247, 0.35) 0%, rgba(26, 26, 46, 0.9) 100%); }
.explore-card:hover.explore-card--videos::before { background: linear-gradient(135deg, rgba(255, 100, 50, 0.3) 0%, rgba(26, 26, 46, 0.9) 100%); }
.explore-card:hover.explore-card--about::before { background: linear-gradient(135deg, rgba(0, 200, 150, 0.3) 0%, rgba(26, 26, 46, 0.9) 100%); }
.explore-card:hover.explore-card--surprise::before { background: linear-gradient(135deg, rgba(255, 200, 0, 0.3) 0%, rgba(26, 26, 46, 0.9) 100%); }

/* Card spanning: first 2 are large, last 3 are normal */
.explore-card:nth-child(1) { grid-column: span 3; min-height: 260px; }
.explore-card:nth-child(2) { grid-column: span 2; min-height: 260px; }
.explore-card:nth-child(3),
.explore-card:nth-child(4) { grid-column: span 2; }
.explore-card:nth-child(5) { grid-column: span 1; }

.explore-card__bg-icon {
  position: absolute;
  top: 50%;
  right: 1.5rem;
  transform: translateY(-50%);
  font-size: 5rem;
  opacity: 0.08;
  z-index: 0;
  transition: all 0.5s var(--transition-smooth);
  filter: blur(1px);
}

.explore-card:nth-child(1) .explore-card__bg-icon,
.explore-card:nth-child(2) .explore-card__bg-icon {
  font-size: 7rem;
  right: 2rem;
}

.explore-card:hover .explore-card__bg-icon {
  opacity: 0.15;
  transform: translateY(-50%) scale(1.15) rotate(5deg);
  filter: blur(0);
}

.explore-card__content {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
}

.explore-card__label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.4rem;
  opacity: 0.6;
}

.explore-card--projects .explore-card__label { color: #00d4ff; }
.explore-card--music .explore-card__label { color: #b57aff; }
.explore-card--videos .explore-card__label { color: #ff7744; }
.explore-card--about .explore-card__label { color: #00d4a0; }
.explore-card--surprise .explore-card__label { color: #ffc800; }

.explore-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.explore-card:nth-child(1) .explore-card__title,
.explore-card:nth-child(2) .explore-card__title {
  font-size: 1.7rem;
}

.explore-card__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
  max-width: 400px;
}

.explore-card__arrow {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  z-index: 1;
  opacity: 0;
  transform: translate(-5px, 5px);
  transition: all 0.3s var(--transition-smooth);
}

.explore-card:hover .explore-card__arrow {
  opacity: 1;
  transform: translate(0, 0);
}

@media (max-width: 768px) {
  .explore-grid {
    grid-template-columns: 1fr 1fr;
  }
  .explore-card:nth-child(1) { grid-column: span 2; }
  .explore-card:nth-child(2) { grid-column: span 2; }
  .explore-card:nth-child(3) { grid-column: span 1; }
  .explore-card:nth-child(4) { grid-column: span 1; }
  .explore-card:nth-child(5) { grid-column: span 2; }
}

@media (max-width: 480px) {
  .explore-grid {
    grid-template-columns: 1fr;
  }
  .explore-card:nth-child(n) { grid-column: span 1; min-height: 160px; }
}

/* --- Keyframes --- */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem;
    transition: right 0.4s var(--transition-smooth);
    border-left: 1px solid rgba(0, 212, 255, 0.1);
  }

  .nav__links.open {
    right: 0;
  }

  .nav__burger {
    display: flex;
  }

  .section {
    padding: 3rem 1.2rem;
  }

  .section__title {
    font-size: 2rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about__avatar {
    margin: 0 auto;
    max-width: 200px;
  }

  .about__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
  }

  .stat {
    padding: 1rem 0.5rem;
  }

  .stat__number {
    font-size: 1.5rem;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .music-player {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }

  .music-player__controls {
    width: 100%;
    justify-content: center;
  }

  .music-player__volume {
    display: none;
  }

  .project-gallery {
    grid-template-columns: 1fr;
  }

  .snippets {
    grid-template-columns: 1fr;
  }

  .game-hud {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .hero__name {
    font-size: 2.2rem;
  }

  .hero__cta-group {
    flex-direction: column;
    width: 100%;
    padding: 0 1rem;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .carousel__btn {
    width: 36px;
    height: 36px;
  }
}