/* ============================================================
   PINGPRO — TÊnis de Mesa | CSS Principal
   Paleta: Azul escuro + Verde Neon (#39FF14) + Branco
   ============================================================ */

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg:        #050d1a;
  --color-bg-alt:    #080f20;
  --color-surface:   #0d1932;
  --color-surface2:  #112244;
  --color-neon:      #39FF14;
  --color-neon-dim:  #2acc0f;
  --color-neon-glow: rgba(57,255,20,0.25);
  --color-blue:      #1a4fa8;
  --color-blue-light:#2d6ee0;
  --color-white:     #ffffff;
  --color-gray:      #8899aa;
  --color-gray-light:#b0bec5;
  --color-gold:      #FFD700;
  --color-danger:    #ff4444;
  --font-title:      'Oswald', sans-serif;
  --font-body:       'Rajdhani', sans-serif;
  --font-text:       'Inter', sans-serif;
  --radius:          12px;
  --radius-lg:       20px;
  --shadow-neon:     0 0 20px rgba(57,255,20,0.4), 0 0 40px rgba(57,255,20,0.2);
  --shadow-card:     0 8px 32px rgba(0,0,0,0.4);
  --transition:      all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height:      70px;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-white);
  font-family: var(--font-text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-neon); border-radius: 4px; }

/* ===== TYPOGRAPHY ===== */
.accent { color: var(--color-neon); }

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== SECTION ===== */
.section {
  padding: 100px 0;
  position: relative;
}
.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-tag {
  display: inline-block;
  background: var(--color-neon-glow);
  color: var(--color-neon);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  border: 1px solid rgba(57,255,20,0.3);
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: 1px;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.section-subtitle {
  color: var(--color-gray-light);
  font-size: 1.1rem;
  font-family: var(--font-body);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--color-neon);
  color: var(--color-bg);
  box-shadow: 0 0 25px rgba(57,255,20,0.4);
}
.btn-primary:hover {
  background: #fff;
  box-shadow: 0 0 40px rgba(57,255,20,0.6);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--color-neon);
  border: 2px solid var(--color-neon);
}
.btn-outline:hover {
  background: var(--color-neon-glow);
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background 0.4s ease, box-shadow 0.4s ease;
  background: transparent;
}
.navbar.scrolled {
  background: rgba(5,13,26,0.95);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
  border-bottom: 1px solid rgba(57,255,20,0.1);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 2px;
  transition: var(--transition);
}
.nav-logo:hover { opacity: 0.85; }
.logo-icon { font-size: 1.5rem; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  transition: var(--transition);
  color: var(--color-gray-light);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 2px;
  background: var(--color-neon);
  transition: var(--transition);
  border-radius: 2px;
}
.nav-link:hover,
.nav-link.active {
  color: var(--color-neon);
}
.nav-link.active::after,
.nav-link:hover::after {
  left: 15%; right: 15%;
}
.nav-cta {
  background: var(--color-neon-glow);
  border: 1px solid rgba(57,255,20,0.4);
  color: var(--color-neon) !important;
  margin-left: 0.5rem;
}
.nav-cta:hover {
  background: var(--color-neon);
  color: var(--color-bg) !important;
}
.nav-cta::after { display: none; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 20% 50%, rgba(26,79,168,0.3) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(57,255,20,0.08) 0%, transparent 50%),
              var(--color-bg);
  padding: var(--nav-height) 1.5rem 0;
}

/* Grid de fundo animado */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(57,255,20,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57,255,20,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
  pointer-events: none;
}
@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero-badge {
  display: inline-block;
  background: rgba(57,255,20,0.1);
  border: 1px solid rgba(57,255,20,0.3);
  color: var(--color-neon);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
  animation: pulseGlow 2s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 10px rgba(57,255,20,0.2); }
  50% { box-shadow: 0 0 25px rgba(57,255,20,0.5); }
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  text-shadow: 0 0 80px rgba(57,255,20,0.15);
}
.hero-title .accent {
  -webkit-text-stroke: 3px var(--color-neon);
  color: transparent;
  text-shadow: 0 0 40px rgba(57,255,20,0.5);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 1.25rem;
  color: var(--color-gray-light);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}
.hero-subtitle strong { color: var(--color-neon); }

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Animação Mesa/Bola --- */
.hero-animation {
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  width: 340px;
  height: 160px;
  z-index: 1;
  opacity: 0.6;
  pointer-events: none;
}
.ping-scene {
  position: relative;
  width: 100%;
  height: 100%;
}
/* Mesa */
.table-top {
  position: absolute;
  bottom: 40px; left: 10px; right: 10px;
  height: 16px;
  background: linear-gradient(135deg, #1a6fa8 0%, #0d4a7a 100%);
  border-radius: 3px;
  border: 1.5px solid var(--color-neon);
  box-shadow: 0 0 15px rgba(57,255,20,0.3);
}
.table-net {
  position: absolute;
  top: -18px; left: 50%; transform: translateX(-50%);
  width: 6px; height: 18px;
  background: rgba(255,255,255,0.7);
  border-radius: 2px;
}
.table-line {
  position: absolute;
  top: 50%; left: 0; right: 0;
  height: 1px;
  background: rgba(255,255,255,0.3);
  transform: translateY(-50%);
}
.table-legs {
  position: absolute;
  bottom: 0; left: 25px; right: 25px;
  display: flex; justify-content: space-between;
}
.table-leg {
  width: 8px; height: 40px;
  background: #0d4a7a;
  border-radius: 3px;
}
/* Raquetes */
.paddle {
  position: absolute;
  bottom: 56px;
  animation: paddleSwing 2s ease-in-out infinite alternate;
}
.paddle-left { left: 5px; transform-origin: bottom right; }
.paddle-right { right: 5px; transform-origin: bottom left; animation-direction: alternate-reverse; }
@keyframes paddleSwing {
  0% { transform: rotate(-15deg); }
  100% { transform: rotate(15deg); }
}
.paddle-head {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.paddle-rubber {
  width: 32px; height: 36px;
  background: radial-gradient(circle, #e74c3c, #c0392b);
  border-radius: 50% 50% 40% 40%;
  box-shadow: 0 0 8px rgba(231,76,60,0.5);
}
.paddle-handle {
  width: 10px; height: 22px;
  background: linear-gradient(#d4a056, #b8860b);
  border-radius: 0 0 5px 5px;
}
/* Bola */
.ball {
  position: absolute;
  width: 16px; height: 16px;
  background: radial-gradient(circle at 35% 35%, #fff, #f0ede0);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255,255,255,0.5);
  animation: ballBounce 2s ease-in-out infinite;
  bottom: 56px; left: 50%; transform: translateX(-50%);
}
@keyframes ballBounce {
  0%   { left: 15%; bottom: 56px; transform: scale(1); }
  25%  { left: 30%; bottom: 110px; }
  50%  { left: 50%; bottom: 70px; transform: scale(0.95); }
  75%  { left: 70%; bottom: 110px; }
  100% { left: 85%; bottom: 56px; transform: scale(1); }
}
/* Rastro da bola */
.ball-trail {
  position: absolute;
  width: 10px; height: 10px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  animation: ballBounce 2s ease-in-out infinite;
  bottom: 56px;
}
.t1 { animation-delay: -0.1s; opacity: 0.4; width: 12px; height: 12px; }
.t2 { animation-delay: -0.2s; opacity: 0.25; width: 10px; height: 10px; }
.t3 { animation-delay: -0.3s; opacity: 0.12; width: 8px; height: 8px; }

/* Scroll Hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-gray);
  font-size: 0.75rem;
  font-family: var(--font-body);
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: fadeInUp 1s 1.5s both;
  z-index: 2;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--color-neon);
  border-bottom: 2px solid var(--color-neon);
  transform: rotate(45deg);
  animation: scrollPulse 1.5s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: rotate(45deg) translateY(0); }
  50% { opacity: 0.4; transform: rotate(45deg) translateY(4px); }
}

/* ===== HERO REVEAL ANIMATIONS ===== */
.reveal-hero {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.7s ease forwards;
}
.hero-badge.reveal-hero { animation-delay: 0.2s; }
.hero-title.reveal-hero  { animation-delay: 0.4s; }
.hero-subtitle.reveal-hero { animation-delay: 0.6s; }
.hero-buttons.reveal-hero { animation-delay: 0.8s; }

@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   SOBRE / TIMELINE
   ============================================================ */
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.sobre-text p {
  font-family: var(--font-text);
  color: var(--color-gray-light);
  margin-bottom: 1.2rem;
  font-size: 1rem;
  line-height: 1.8;
}
.sobre-text strong { color: var(--color-white); }
.sobre-text em { color: var(--color-neon); font-style: normal; }

/* Stats Row */
.stats-row {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.stat-item {
  flex: 1;
  min-width: 90px;
  background: var(--color-surface);
  border: 1px solid rgba(57,255,20,0.15);
  border-radius: var(--radius);
  padding: 1.2rem;
  text-align: center;
  transition: var(--transition);
}
.stat-item:hover {
  border-color: var(--color-neon);
  box-shadow: var(--shadow-neon);
  transform: translateY(-3px);
}
.stat-number {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-neon);
  display: inline;
}
.stat-unit {
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--color-neon);
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-gray);
  font-family: var(--font-body);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 1.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-neon), transparent);
}
.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}
.timeline-dot {
  position: absolute;
  left: -1.5rem;
  top: 6px;
  width: 10px; height: 10px;
  background: var(--color-neon);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-neon);
  transform: translateX(-4px);
}
.timeline-year {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-neon);
  margin-bottom: 0.2rem;
}
.timeline-desc {
  font-family: var(--font-body);
  color: var(--color-gray-light);
  font-size: 0.95rem;
}

/* ============================================================
   REGRAS
   ============================================================ */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.rule-card {
  background: var(--color-surface);
  border: 1px solid rgba(57,255,20,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.rule-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-neon);
  opacity: 0;
  transition: var(--transition);
}
.rule-card:hover,
.rule-card.open {
  border-color: rgba(57,255,20,0.35);
  box-shadow: var(--shadow-neon);
  transform: translateY(-4px);
}
.rule-card:hover::before,
.rule-card.open::before { opacity: 1; }

.rule-icon {
  width: 60px; height: 60px;
  margin-bottom: 1.2rem;
}
.rule-card h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.rule-card p { color: var(--color-gray-light); font-size: 0.95rem; }
.rule-card strong { color: var(--color-neon); }

.rule-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, margin 0.3s ease;
  border-top: 0px solid rgba(57,255,20,0);
}
.rule-card.open .rule-detail {
  max-height: 200px;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(57,255,20,0.15);
}
.rule-detail p { font-size: 0.9rem; color: var(--color-gray); }

.rule-more {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.8rem;
  color: var(--color-neon);
  font-family: var(--font-body);
  letter-spacing: 1px;
  transition: var(--transition);
}
.rule-card.open .rule-more { opacity: 0; }

/* ============================================================
   EQUIPAMENTOS
   ============================================================ */
.equipment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.equip-card {
  background: var(--color-surface);
  border: 1px solid rgba(57,255,20,0.1);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.equip-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(57,255,20,0.05) 0%, transparent 70%);
  opacity: 0;
  transition: var(--transition);
}
.equip-card:hover {
  border-color: rgba(57,255,20,0.35);
  transform: translateY(-6px);
  box-shadow: var(--shadow-neon);
}
.equip-card:hover::after { opacity: 1; }
.equip-svg {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 160px;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}
.equip-svg svg {
  max-height: 160px;
  filter: drop-shadow(0 0 15px rgba(57,255,20,0.2));
  transition: var(--transition);
}
.equip-card:hover .equip-svg svg {
  filter: drop-shadow(0 0 25px rgba(57,255,20,0.4));
  transform: scale(1.05);
}
.equip-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--color-neon);
  position: relative; z-index: 1;
}
.equip-specs {
  text-align: left;
  position: relative; z-index: 1;
}
.equip-specs li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-gray-light);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.equip-specs li:last-child { border-bottom: none; }
.spec-icon { font-size: 1rem; }

/* ============================================================
   TÉCNICAS / CAROUSEL
   ============================================================ */
.carousel-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.carousel-track-outer {
  flex: 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.technique-slide {
  min-width: 100%;
  background: var(--color-surface);
  border: 1px solid rgba(57,255,20,0.12);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 140px 1fr;
  grid-template-rows: auto auto 1fr;
  gap: 0 2rem;
  align-items: start;
}
.technique-icon {
  grid-row: 1 / 4;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 0.5rem;
}
.technique-icon svg {
  width: 120px; height: 120px;
  filter: drop-shadow(0 0 15px rgba(57,255,20,0.3));
}
.technique-name {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}
.technique-level {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.level-label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.level-dots {
  display: flex;
  gap: 5px;
}
.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-surface2);
  border: 1.5px solid var(--color-neon);
  transition: var(--transition);
}
.dot.filled { background: var(--color-neon); box-shadow: 0 0 6px var(--color-neon); }

.technique-desc {
  color: var(--color-gray-light);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.technique-tips {
  background: rgba(57,255,20,0.04);
  border: 1px solid rgba(57,255,20,0.1);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
}
.technique-tips h4 {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-neon);
  margin-bottom: 0.8rem;
  letter-spacing: 1px;
}
.technique-tips ul { display: flex; flex-direction: column; gap: 0.4rem; }
.technique-tips li {
  font-size: 0.9rem;
  color: var(--color-gray-light);
  padding-left: 1rem;
  position: relative;
}
.technique-tips li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-neon);
}

.carousel-btn {
  width: 52px; height: 52px;
  background: var(--color-surface);
  border: 1.5px solid rgba(57,255,20,0.3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-neon);
  flex-shrink: 0;
  transition: var(--transition);
}
.carousel-btn:hover {
  background: var(--color-neon-glow);
  border-color: var(--color-neon);
  box-shadow: 0 0 15px rgba(57,255,20,0.3);
  transform: scale(1.1);
}
.carousel-btn svg { width: 20px; height: 20px; }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 2rem;
}
.carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-surface2);
  border: 1.5px solid rgba(57,255,20,0.4);
  cursor: pointer;
  transition: var(--transition);
}
.carousel-dot.active {
  background: var(--color-neon);
  box-shadow: 0 0 8px var(--color-neon);
  width: 24px;
  border-radius: 4px;
}

/* ============================================================
   CAMPEÕES
   ============================================================ */
.champions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.champion-card {
  background: var(--color-surface);
  border: 1px solid rgba(57,255,20,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.champion-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(57,255,20,0.5), transparent);
  opacity: 0;
  transition: var(--transition);
}
.champion-card:hover {
  border-color: rgba(57,255,20,0.3);
  transform: translateY(-5px);
  box-shadow: var(--shadow-neon);
}
.champion-card:hover::before { opacity: 1; }
.champion-card.gold {
  border-color: rgba(255,215,0,0.3);
  background: linear-gradient(135deg, var(--color-surface) 0%, rgba(255,215,0,0.04) 100%);
}
.champion-card.gold:hover {
  border-color: rgba(255,215,0,0.6);
  box-shadow: 0 0 25px rgba(255,215,0,0.2), 0 8px 32px rgba(0,0,0,0.4);
}
.champion-rank {
  position: absolute;
  top: 1rem; right: 1rem;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-gray);
}
.champion-avatar {
  width: 70px; height: 70px;
  margin-bottom: 1rem;
}
.champion-avatar svg { width: 70px; height: 70px; }
.champion-name {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.champion-country {
  font-size: 0.85rem;
  color: var(--color-gray);
  font-family: var(--font-body);
  display: block;
  margin-bottom: 1rem;
}
.champion-stats {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.c-stat {
  background: var(--color-bg);
  border: 1px solid rgba(57,255,20,0.1);
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
  text-align: center;
  flex: 1;
  min-width: 60px;
}
.c-val {
  display: block;
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-neon);
}
.c-key {
  display: block;
  font-size: 0.65rem;
  color: var(--color-gray);
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.1rem;
}
.champion-bio {
  font-size: 0.88rem;
  color: var(--color-gray-light);
  line-height: 1.6;
}
.champion-badge {
  display: inline-block;
  margin-top: 0.8rem;
  background: rgba(255,215,0,0.1);
  border: 1px solid rgba(255,215,0,0.3);
  color: var(--color-gold);
  font-size: 0.75rem;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 1px;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
}

/* ============================================================
   CURIOSIDADES / FLIP CARDS
   ============================================================ */
.flip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.flip-card {
  height: 220px;
  perspective: 1000px;
  cursor: pointer;
  outline: none;
}
.flip-inner {
  position: relative;
  width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.flip-card:hover .flip-inner,
.flip-card.flipped .flip-inner {
  transform: rotateY(180deg);
}
.flip-front, .flip-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
  text-align: center;
  border: 1px solid rgba(57,255,20,0.15);
}
.flip-front {
  background: var(--color-surface);
}
.flip-back {
  background: linear-gradient(135deg, var(--color-surface2) 0%, #0d2045 100%);
  transform: rotateY(180deg);
  border-color: rgba(57,255,20,0.35);
}
.flip-emoji {
  font-size: 2.5rem;
  margin-bottom: 0.8rem;
  filter: drop-shadow(0 0 8px rgba(57,255,20,0.4));
}
.flip-front h3, .flip-back h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-neon);
}
.flip-front p {
  font-size: 0.85rem;
  color: var(--color-gray);
  font-family: var(--font-body);
}
.flip-back p {
  font-size: 0.88rem;
  color: var(--color-gray-light);
  line-height: 1.5;
}
.flip-back strong { color: var(--color-neon); }

/* ============================================================
   QUIZ
   ============================================================ */
.quiz-wrapper {
  max-width: 780px;
  margin: 0 auto;
}
.quiz-box {
  background: var(--color-surface);
  border: 1px solid rgba(57,255,20,0.15);
  border-radius: var(--radius-lg);
  padding: 3rem;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.quiz-start {
  text-align: center;
}
.quiz-start-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 15px rgba(57,255,20,0.4));
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.quiz-start h3 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}
.quiz-start p {
  color: var(--color-gray-light);
  margin-bottom: 2rem;
  font-size: 1rem;
}

.quiz-header { margin-bottom: 1.5rem; }
.quiz-progress {
  height: 6px;
  background: var(--color-surface2);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 1rem;
}
.quiz-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-neon), #7fff00);
  border-radius: 3px;
  transition: width 0.5s ease;
  box-shadow: 0 0 10px rgba(57,255,20,0.5);
}
.quiz-info {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-gray);
}
#quizScore { color: var(--color-neon); font-weight: 700; }

.quiz-question {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.quiz-option {
  background: var(--color-bg);
  border: 1.5px solid rgba(57,255,20,0.15);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  text-align: left;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-white);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.quiz-option:hover:not(:disabled) {
  border-color: var(--color-neon);
  background: rgba(57,255,20,0.05);
  transform: translateX(4px);
}
.quiz-option .opt-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: var(--color-surface2);
  border-radius: 50%;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: var(--transition);
}
.quiz-option.correct {
  border-color: var(--color-neon);
  background: rgba(57,255,20,0.1);
}
.quiz-option.correct .opt-letter {
  background: var(--color-neon);
  color: var(--color-bg);
}
.quiz-option.wrong {
  border-color: var(--color-danger);
  background: rgba(255,68,68,0.08);
}
.quiz-option.wrong .opt-letter {
  background: var(--color-danger);
  color: var(--color-white);
}
.quiz-option:disabled { cursor: default; }

.quiz-feedback {
  margin-top: 1rem;
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  display: none;
}
.quiz-feedback.correct {
  display: block;
  background: rgba(57,255,20,0.1);
  border: 1px solid rgba(57,255,20,0.3);
  color: var(--color-neon);
}
.quiz-feedback.wrong {
  display: block;
  background: rgba(255,68,68,0.08);
  border: 1px solid rgba(255,68,68,0.3);
  color: #ff8888;
}

/* Result Screen */
.quiz-result {
  text-align: center;
}
.result-emoji {
  font-size: 5rem;
  margin-bottom: 1rem;
  animation: float 3s ease-in-out infinite;
}
.result-score {
  font-family: var(--font-title);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-neon);
  text-shadow: 0 0 30px rgba(57,255,20,0.5);
  margin-bottom: 0.5rem;
}
.result-title {
  font-family: var(--font-title);
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
}
.result-msg {
  color: var(--color-gray-light);
  margin-bottom: 2rem;
  font-size: 1rem;
}
.result-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid rgba(57,255,20,0.1);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}
.footer-brand p {
  color: var(--color-gray);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.2rem;
}
.footer-socials {
  display: flex;
  gap: 0.75rem;
}
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  background: var(--color-surface);
  border: 1px solid rgba(57,255,20,0.2);
  border-radius: 50%;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
}
.social-link:hover {
  border-color: var(--color-neon);
  background: var(--color-neon-glow);
  box-shadow: 0 0 10px rgba(57,255,20,0.3);
  transform: translateY(-2px);
}
.footer-links h4 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-neon);
  margin-bottom: 1.2rem;
}
.footer-links ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links li a {
  color: var(--color-gray);
  font-size: 0.9rem;
  transition: var(--transition);
  font-family: var(--font-body);
}
.footer-links li a:hover { color: var(--color-neon); padding-left: 4px; }
.footer-stats h4 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-neon);
  margin-bottom: 1.2rem;
}
.footer-stat {
  display: flex;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--color-gray);
  font-family: var(--font-body);
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.footer-stat strong { color: var(--color-white); min-width: 80px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 1.5rem;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.85rem;
  color: var(--color-gray);
  font-family: var(--font-body);
}
.footer-disclaimer {
  font-size: 0.75rem !important;
  opacity: 0.6;
  margin-top: 0.3rem;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px; height: 48px;
  background: var(--color-neon);
  color: var(--color-bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 20px rgba(57,255,20,0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 999;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(57,255,20,0.6);
}
.back-to-top svg { width: 22px; height: 22px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .sobre-grid { grid-template-columns: 1fr; gap: 3rem; }
  .rules-grid { grid-template-columns: repeat(2, 1fr); }
  .equipment-grid { grid-template-columns: repeat(3, 1fr); }
  .champions-grid { grid-template-columns: repeat(2, 1fr); }
  .flip-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-height: 60px; }
  .section { padding: 70px 0; }

  /* Navbar mobile */
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 75%;
    height: 100vh;
    background: rgba(5,13,26,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem;
    gap: 0.5rem;
    transition: right 0.4s cubic-bezier(0.4,0,0.2,1);
    border-left: 1px solid rgba(57,255,20,0.15);
    z-index: 999;
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 1.2rem; padding: 0.8rem 1rem; width: 100%; }
  .nav-cta { margin-left: 0; }

  /* Hero */
  .hero-animation { display: none; }
  .hero-title { font-size: clamp(3rem, 12vw, 5rem); }
  .hero-subtitle { font-size: 1rem; }

  /* Sobre */
  .sobre-grid { gap: 2rem; }
  .stats-row { gap: 0.8rem; }

  /* Regras */
  .rules-grid { grid-template-columns: 1fr; }

  /* Equipamentos */
  .equipment-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

  /* Técnicas Carousel */
  .carousel-wrapper { gap: 0.5rem; }
  .carousel-btn { width: 40px; height: 40px; }
  .technique-slide {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
  }
  .technique-icon { grid-row: auto; justify-content: flex-start; margin-bottom: 1rem; }
  .technique-icon svg { width: 80px; height: 80px; }

  /* Campeões */
  .champions-grid { grid-template-columns: 1fr; }

  /* Curiosidades */
  .flip-grid { grid-template-columns: repeat(2, 1fr); }
  .flip-card { height: 200px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }

  .back-to-top { bottom: 1rem; right: 1rem; }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; }
  .flip-grid { grid-template-columns: 1fr; }
  .stats-row { flex-direction: column; }
  .quiz-box { padding: 1.5rem; }
  .technique-slide { padding: 1.5rem 1rem; }
  .champions-grid { grid-template-columns: 1fr; }
  .champion-stats { flex-direction: column; }
}

/* ============================================================
   UTILITÁRIOS / EXTRAS
   ============================================================ */

/* Glitch effect para título hero (opcional) */
@keyframes glitch {
  0%, 100% { text-shadow: 2px 0 var(--color-neon), -2px 0 var(--color-blue-light); }
  25% { text-shadow: -2px 0 var(--color-neon), 2px 0 var(--color-blue-light); }
  50% { text-shadow: 2px 2px var(--color-neon), -2px -2px var(--color-blue-light); }
  75% { text-shadow: -2px 2px var(--color-neon), 2px -2px var(--color-blue-light); }
}

/* Linha decorativa entre seções */
.section::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 80px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(57,255,20,0.4), transparent);
}

/* Seleção de texto */
::selection {
  background: rgba(57,255,20,0.3);
  color: var(--color-white);
}