/* ============================================================
   style.css — Основные стили
   Marvel vs DC: Битва Вселенных
   ============================================================ */

/* ---------- CSS Custom Properties (Theme Variables) ---------- */
:root {
  /* === СВЕТЛАЯ ТЕМА (по умолчанию) === */

  /* Marvel Colors */
  --marvel-red: #ED1D24;
  --marvel-red-hover: #c4161c;
  --marvel-gold: #FFD700;
  --marvel-gold-hover: #e6c200;

  /* DC Colors */
  --dc-blue: #0476F2;
  --dc-blue-hover: #0361cc;
  --dc-gray: #6B7B8D;
  --dc-gray-light: #8FA3B5;
  --dc-dark: #1a1a2e;
  --dc-dark-hover: #2a2a4e;

  /* Neutral / Background */
  --bg-primary: #f5f5f0;
  --bg-secondary: #ffffff;
  --bg-section-alt: #e8e8e0;
  --bg-card: #ffffff;
  --text-primary: #1a1a2e;
  --text-secondary: #444;
  --text-on-dark: #ffffff;
  --border-color: #1a1a2e;
  --shadow-color: rgba(0, 0, 0, 0.15);
  --overlay-color: rgba(0, 0, 0, 0.6);

  /* Layout */
  --container-max: 1200px;
  --container-padding: 20px;
  --header-height: 70px;
  --border-radius: 12px;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.35s ease;
  --transition-slow: 0.5s ease;

  /* Typography */
  --font-marvel: 'Bangers', cursive;
  --font-dc: 'Oswald', sans-serif;
  --font-body: 'Oswald', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Section spacing */
  --section-padding: 80px 0;
}

/* ---------- ТЁМНАЯ ТЕМА ---------- */
[data-theme="dark"] {
  --marvel-red: #ff3338;
  --marvel-gold: #ffd933;

  --dc-blue: #3399ff;
  --dc-gray: #8899aa;

  --bg-primary: #0d0d1a;
  --bg-secondary: #1a1a2e;
  --bg-section-alt: #12121f;
  --bg-card: #1e1e35;
  --text-primary: #e0e0f0;
  --text-secondary: #a0a0b8;
  --text-on-dark: #ffffff;
  --border-color: #3a3a5c;
  --shadow-color: rgba(0, 0, 0, 0.5);
  --overlay-color: rgba(0, 0, 0, 0.8);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-medium), color var(--transition-medium);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ---------- Container ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

/* ---------- Section base ---------- */
.section-title {
  font-family: var(--font-marvel);
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: 2px;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.section-desc {
  font-family: var(--font-dc);
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--bg-secondary);
  box-shadow: 0 2px 12px var(--shadow-color);
  z-index: 1000;
  transition: background-color var(--transition-medium), box-shadow var(--transition-medium);
}

.header--scrolled {
  background-color: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  flex-shrink: 0;
  z-index: 1002;
}

.header__logo svg {
  width: 50px;
  height: 50px;
  transition: transform var(--transition-fast);
}

.header__logo:hover svg {
  transform: scale(1.1) rotate(-5deg);
}

/* Navigation */
.header__nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header__nav-link {
  font-family: var(--font-dc);
  font-weight: 500;
  font-size: 1rem;
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--text-primary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  color: var(--marvel-gold);
  background-color: rgba(237, 29, 36, 0.1);
}

/* Burger button (hidden by default on desktop) */
.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  cursor: pointer;
  z-index: 1002;
  background: transparent;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  transition: border-color var(--transition-fast);
}

.header__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-medium), opacity var(--transition-medium), background-color var(--transition-medium);
}

/* Burger active state */
.header__burger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.header__burger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Particles in header */
.header__particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

/* Custom particle containers */
.header__particles-inner,
.hero__particles-inner {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  pointer-events: none;
  will-change: transform, opacity;
}

.particle--star {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  animation: particle-star var(--duration, 3s) ease-out forwards;
}

.particle--star::before {
  content: '✦';
  font-size: inherit;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.particle--lightning {
  width: 4px;
  height: 20px;
  background: #FFD700;
  clip-path: polygon(50% 0%, 0% 60%, 40% 60%, 30% 100%, 100% 40%, 60% 40%);
  animation: particle-lightning var(--duration, 1.5s) ease-out forwards;
  filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.8));
}

.particle--spark {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  animation: float-particle var(--duration, 2s) ease-out forwards;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  text-align: center;
}

.hero__lightning {
  flex-shrink: 0;
  width: 80px;
  height: auto;
  opacity: 0.8;
}

.hero__lightning svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.6));
}

.hero__center {
  flex: 1;
  min-width: 280px;
  max-width: 700px;
}

.hero__title {
  font-family: var(--font-marvel);
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  letter-spacing: 3px;
  line-height: 1.1;
  color: var(--text-on-dark);
  text-shadow:
    2px 2px 0 var(--dc-dark),
    -1px -1px 0 var(--dc-dark),
    0 0 30px rgba(255, 215, 0, 0.3);
  margin-bottom: 16px;
}

.hero__subtitle-text {
  display: block;
  font-size: clamp(1.2rem, 4vw, 2.8rem);
  color: var(--marvel-gold);
}

.hero__subtitle {
  font-family: var(--font-dc);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--text-on-dark);
  margin-bottom: 32px;
  opacity: 0.9;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-marvel);
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  letter-spacing: 2px;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--marvel-red), var(--marvel-gold));
  color: #fff;
  border: 3px solid var(--text-on-dark);
  border-radius: 8px;
  text-transform: uppercase;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 15px rgba(237, 29, 36, 0.4);
}

.hero__cta:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 25px rgba(237, 29, 36, 0.6);
}

.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero__particles-inner {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

/* ============================================================
   UNIVERSES SECTION
   ============================================================ */
.universes {
  padding: var(--section-padding);
  background-color: var(--bg-section-alt);
}

.universes__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

/* Universe Card */
.universe-card {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: var(--bg-card);
  box-shadow: 0 8px 30px var(--shadow-color);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.universe-card:hover {
  transform: translateY(-8px) scale(1.02);
}

.universe-card--marvel:hover {
  box-shadow: 0 12px 40px rgba(237, 29, 36, 0.3);
}

.universe-card--dc:hover {
  box-shadow: 0 12px 40px rgba(4, 118, 242, 0.3);
}

.universe-card__inner {
  position: relative;
  z-index: 2;
  padding: 40px 30px;
}

.universe-card__logo {
  margin-bottom: 20px;
  text-align: center;
}

.universe-card__logo svg {
  width: 80px;
  height: 80px;
  margin: 0 auto;
}

.universe-card__title {
  font-family: var(--font-marvel);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  letter-spacing: 2px;
  text-align: center;
  margin-bottom: 16px;
}

.universe-card--marvel .universe-card__title {
  color: var(--marvel-red);
}

.universe-card--dc .universe-card__title {
  color: var(--dc-blue);
}

.universe-card__desc {
  font-size: clamp(0.9rem, 2vw, 1rem);
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

.universe-card__facts {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.universe-card__facts li {
  font-size: 0.95rem;
  color: var(--text-primary);
  padding-left: 4px;
}

.universe-card__crack,
.universe-card__bat-shadow {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.universe-card__crack {
  background: 
    linear-gradient(135deg, transparent 40%, rgba(255, 215, 0, 0.15) 45%, rgba(255, 215, 0, 0.3) 50%, transparent 55%),
    linear-gradient(45deg, transparent 40%, rgba(255, 69, 0, 0.1) 45%, rgba(255, 215, 0, 0.2) 50%, transparent 55%),
    linear-gradient(180deg, transparent 45%, rgba(255, 215, 0, 0.1) 48%, rgba(237, 29, 36, 0.15) 50%, transparent 52%),
    linear-gradient(0deg, transparent 45%, rgba(255, 215, 0, 0.1) 48%, rgba(237, 29, 36, 0.15) 50%, transparent 52%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  transform: scale(0.8);
}

.universe-card--marvel:hover .universe-card__crack {
  opacity: 1;
  transform: scale(1);
  animation: crack-appear 0.6s ease-out forwards;
}

.universe-card__bat-shadow {
  background: radial-gradient(ellipse at 50% 120%, rgba(4, 118, 242, 0.25) 0%, transparent 60%);
  transform: scale(0.5);
  transform-origin: bottom center;
}

.universe-card--dc:hover .universe-card__bat-shadow {
  opacity: 1;
  transform: scale(1);
  animation: bat-shadow-appear 0.6s ease-out forwards;
}

/* Bat symbol inside the shadow */
.universe-card__bat-shadow::before {
  content: '';
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%) scale(0);
  width: 80px;
  height: 80px;
  background: radial-gradient(ellipse 40px 60px at 40px 30px, rgba(4, 118, 242, 0.4) 0%, transparent 100%);
  clip-path: polygon(
    50% 0%, 65% 15%, 80% 0%, 100% 20%, 90% 40%, 100% 55%,
    85% 60%, 75% 100%, 50% 80%, 25% 100%, 15% 60%,
    0% 55%, 10% 40%, 0% 20%, 20% 0%, 35% 15%
  );
  transition: transform var(--transition-medium);
  opacity: 0;
}

.universe-card--dc:hover .universe-card__bat-shadow::before {
  transform: translateX(-50%) scale(1);
  opacity: 1;
  animation: bat-symbol-glow 1.5s ease-in-out infinite;
}

/* ============================================================
   HEROES SECTION
   ============================================================ */
.heroes {
  padding: var(--section-padding);
  background-color: var(--bg-primary);
}

.heroes__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

/* Hero Card */
.hero-card {
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 4px 20px var(--shadow-color);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.hero-card:hover {
  transform: translateY(-6px);
}

.hero-card[data-side="marvel"]:hover {
  box-shadow: 0 8px 30px rgba(237, 29, 36, 0.25);
}

.hero-card[data-side="dc"]:hover {
  box-shadow: 0 8px 30px rgba(4, 118, 242, 0.25);
}

.hero-card__avatar {
  position: relative;
  width: 100px;
  height: 100px;
  margin: 0 auto 16px;
  border-radius: 50%;
  overflow: hidden;
  transition: transform var(--transition-medium);
  z-index: 1;
}

.hero-card:hover .hero-card__avatar {
  transform: scale(1.1);
}

.hero-card__avatar svg {
  width: 100%;
  height: 100%;
}

.hero-card__name {
  font-family: var(--font-marvel);
  font-size: 1.4rem;
  letter-spacing: 1px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.hero-card__power {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.hero-card__quote {
  font-family: var(--font-dc);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding: 12px 16px;
  margin-bottom: 16px;
  background: var(--bg-section-alt);
  border-radius: 8px;
  position: relative;
}

.hero-card__btn {
  font-family: var(--font-marvel);
  font-size: 1rem;
  letter-spacing: 1px;
  padding: 10px 24px;
  border-radius: 8px;
  text-transform: uppercase;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hero-card[data-side="marvel"] .hero-card__btn {
  background: var(--marvel-red);
  color: #fff;
  border: 2px solid var(--marvel-red);
}

.hero-card[data-side="marvel"] .hero-card__btn:hover {
  background: var(--marvel-red-hover);
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(237, 29, 36, 0.4);
}

.hero-card[data-side="dc"] .hero-card__btn {
  background: var(--dc-blue);
  color: #fff;
  border: 2px solid var(--dc-blue);
}

.hero-card[data-side="dc"] .hero-card__btn:hover {
  background: var(--dc-blue-hover);
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(4, 118, 242, 0.4);
}

/* ============================================================
   BATTLES SECTION
   ============================================================ */
.battles {
  padding: var(--section-padding);
  background-color: var(--bg-section-alt);
}

.battles__counter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
  font-family: var(--font-dc);
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.battles__counter-marvel {
  color: var(--marvel-red);
}

.battles__counter-dc {
  color: var(--dc-blue);
}

.battles__counter-divider {
  color: var(--text-secondary);
  font-weight: 700;
}

.battles__timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}

.battle-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 24px 30px;
  box-shadow: 0 4px 20px var(--shadow-color);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.battle-card:hover {
  transform: translateX(6px);
  box-shadow: 0 6px 25px var(--shadow-color);
}

.battle-card__vs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.battle-card__fighter {
  font-family: var(--font-marvel);
  font-size: clamp(1rem, 3vw, 1.3rem);
  letter-spacing: 1px;
}

.battle-card__fighter--left {
  color: var(--marvel-red);
}

.battle-card__fighter--right {
  color: var(--dc-blue);
}

.battle-card__vs-text {
  font-family: var(--font-marvel);
  font-size: 1.5rem;
  color: var(--marvel-gold);
  text-shadow: 1px 1px 0 var(--dc-dark);
}

.battle-card__winner {
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.battle-card__winner strong {
  color: var(--marvel-gold);
}

.battle-card__anim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

/* Battle animation states */
.battle-card.fighting .battle-card__fighter--left {
  animation: battle-fight-left 0.6s ease-in-out 3;
  display: inline-block;
}

.battle-card.fighting .battle-card__fighter--right {
  animation: battle-fight-right 0.6s ease-in-out 3;
  display: inline-block;
}

.battle-card.fighting .battle-card__vs-text {
  animation: battle-impact 0.6s ease-in-out 3;
}

.battle-card .battle-spark {
  position: absolute;
  font-size: 1.5rem;
  pointer-events: none;
  animation: battle-spark 0.8s ease-out forwards;
  z-index: 5;
}

/* ============================================================
   GALLERY SECTION
   ============================================================ */
.gallery {
  padding: var(--section-padding);
  background-color: var(--bg-primary);
}

.gallery__slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto 24px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 8px 30px var(--shadow-color);
  aspect-ratio: 3 / 2;
}

.gallery__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.gallery__slide.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

.gallery__slide.flipping {
  z-index: 3;
  animation: gallery-page-flip 0.8s ease-in-out forwards;
  pointer-events: none;
}

.gallery__slide.flipping-reverse {
  z-index: 3;
  animation: gallery-page-flip-reverse 0.8s ease-in-out forwards;
  pointer-events: none;
}

.gallery__slide svg {
  width: 100%;
  height: 100%;
}

.gallery__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.gallery__btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 700;
  transition: background var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery__btn:hover {
  background: var(--marvel-gold);
  color: var(--dc-dark);
  transform: scale(1.1);
}

.gallery__dots {
  display: flex;
  gap: 8px;
}

.gallery__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--dc-gray);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.gallery__dot.active {
  background: var(--marvel-red);
  transform: scale(1.3);
}

.gallery__dot:hover {
  background: var(--marvel-gold);
}

/* ============================================================
   VOTING SECTION
   ============================================================ */
.voting {
  padding: var(--section-padding);
  background-color: var(--bg-section-alt);
}

.voting__arena {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.voting__side {
  text-align: center;
  padding: 30px 20px;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px var(--shadow-color);
  transition: transform var(--transition-medium);
}

.voting__side:hover {
  transform: translateY(-4px);
}

.voting__side--marvel {
  border-top: 4px solid var(--marvel-red);
}

.voting__side--dc {
  border-top: 4px solid var(--dc-blue);
}

.voting__logo {
  margin-bottom: 16px;
}

.voting__logo svg {
  width: 80px;
  height: 80px;
  margin: 0 auto;
}

.voting__count {
  font-family: var(--font-marvel);
  font-size: 2.5rem;
  color: var(--marvel-gold);
  margin-bottom: 16px;
  text-shadow: 1px 1px 0 var(--dc-dark);
}

.voting__btn {
  font-family: var(--font-marvel);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  letter-spacing: 1px;
  padding: 12px 28px;
  border-radius: 8px;
  text-transform: uppercase;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  color: #fff;
}

.voting__btn--marvel {
  background: linear-gradient(135deg, var(--marvel-red), #c4161c);
  border: 2px solid var(--marvel-red);
}

.voting__btn--marvel:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(237, 29, 36, 0.5);
}

.voting__btn--dc {
  background: linear-gradient(135deg, var(--dc-blue), #0361cc);
  border: 2px solid var(--dc-blue);
}

.voting__btn--dc:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(4, 118, 242, 0.5);
}

/* Progress bar */
.voting__progress-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 200px;
}

.voting__bar {
  height: 24px;
  background: var(--dc-gray);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.voting__bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--marvel-red), var(--marvel-gold));
  border-radius: 12px;
  transition: width 0.6s ease;
}

.voting__labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.voting__label--marvel {
  color: var(--marvel-red);
}

.voting__label--dc {
  color: var(--dc-blue);
}

.voting__fx {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 60px 0 40px;
  background: var(--dc-dark);
  color: var(--text-on-dark);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer__socials {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__social-link {
  font-family: var(--font-marvel);
  font-size: 1.1rem;
  letter-spacing: 1px;
  padding: 8px 20px;
  border: 2px solid var(--text-on-dark);
  border-radius: 8px;
  color: var(--text-on-dark);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--marvel-gold);
  color: var(--dc-dark);
  transform: scale(1.05);
}

.footer__copy {
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer__tbc {
  font-family: var(--font-marvel);
  font-size: 1.2rem;
  letter-spacing: 3px;
  color: var(--marvel-gold);
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--overlay-color);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  position: relative;
  max-width: 500px;
  width: 100%;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  box-shadow: 0 20px 60px var(--shadow-color);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-medium);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal__close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 2rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
  width: 40px;
  height: 40px;
}

.modal__close:hover {
  color: var(--marvel-red);
  transform: rotate(90deg);
}

.modal__title {
  font-family: var(--font-marvel);
  font-size: 1.8rem;
  letter-spacing: 2px;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.modal__subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.modal__body p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================================
   MUTE BUTTON
   ============================================================ */
.mute-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9998;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--dc-dark);
  border: 2px solid var(--marvel-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.mute-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

.mute-btn svg {
  width: 24px;
  height: 24px;
}

.mute-btn.muted svg line {
  opacity: 1;
}

.mute-btn.muted svg polygon {
  opacity: 0.5;
}

/* ============================================================
   THEME TOGGLE
   ============================================================ */
.theme-toggle {
  position: fixed;
  top: calc(var(--header-height) + 12px);
  right: 20px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  font-size: 1.3rem;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  box-shadow: 0 2px 10px var(--shadow-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  transform: scale(1.1);
  background: var(--marvel-gold);
}

/* ============================================================
   RESPONSIVE — Mobile First
   ============================================================ */

/* ---------- ≤ 320px (small phones) ---------- */
@media (max-width: 360px) {
  :root {
    --container-padding: 12px;
    --header-height: 60px;
  }

  .hero__lightning {
    width: 50px;
  }

  .hero__title {
    font-size: 1.6rem;
  }

  .hero__cta {
    padding: 10px 24px;
    font-size: 0.9rem;
  }

  .universes__grid {
    gap: 20px;
  }

  .universe-card__inner {
    padding: 24px 16px;
  }

  .voting__arena {
    gap: 16px;
  }

  .voting__btn {
    font-size: 0.85rem;
    padding: 10px 20px;
  }

  .footer {
    padding: 40px 0 30px;
  }
}

/* ---------- ≤ 767px (tablets & mobiles) ---------- */
@media (max-width: 767px) {
  :root {
    --section-padding: 50px 0;
  }

  /* Show burger on mobile */
  .header__burger {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    box-shadow: -4px 0 20px var(--shadow-color);
    padding: 100px 30px 40px;
    transition: right var(--transition-medium);
    z-index: 1001;
    overflow-y: auto;
  }

  .header__nav.open {
    right: 0;
  }

  .header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .header__nav-link {
    display: block;
    padding: 14px 16px;
    font-size: 1.1rem;
    border-radius: 8px;
    text-align: center;
  }

  /* Hero */
  .hero__content {
    gap: 20px;
  }

  .hero__lightning {
    width: 60px;
  }

  /* Universes */
  .universes__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* Heroes */
  .heroes__grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
  }

  /* Battles */
  .battles__counter {
    flex-direction: column;
    gap: 8px;
  }

  /* Voting */
  .voting__arena {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .voting__progress-wrap {
    min-width: unset;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }

  /* Gallery */
  .gallery__slider {
    aspect-ratio: 4 / 3;
  }

  /* Theme toggle */
  .theme-toggle {
    top: 10px;
    right: 70px;
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
  }
}

/* ---------- 768px–1023px (tablets landscape) ---------- */
@media (min-width: 768px) and (max-width: 1023px) {
  .universes__grid {
    gap: 30px;
  }

  .voting__arena {
    gap: 20px;
  }

  .heroes__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 1024px–1919px (desktop) ---------- */
@media (min-width: 1024px) and (max-width: 1919px) {
  .heroes__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- ≥ 1920px (large screens) ---------- */
@media (min-width: 1920px) {
  :root {
    --container-max: 1400px;
    --container-padding: 40px;
    --section-padding: 100px 0;
  }

  .hero__title {
    font-size: 5rem;
  }

  .heroes__grid {
    grid-template-columns: repeat(4, 1fr);
    max-width: 1200px;
    margin: 0 auto;
  }

  .universes__grid {
    max-width: 1100px;
    margin: 0 auto;
  }
}

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

/* ---------- Focus styles for accessibility ---------- */
:focus-visible {
  outline: 3px solid var(--marvel-gold);
  outline-offset: 2px;
}

/* ---------- Selection ---------- */
::selection {
  background: var(--marvel-red);
  color: #fff;
}

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

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

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

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

/* ---------- Utility: comic-bubble (defined in comic-theme.css, style here) ---------- */
.comic-bubble {
  position: relative;
}