/* ==============================================================================
   DESIGN SYSTEM & IDENTIDADE VISUAL - ACADEMIA TORRES TAEKWONDO
   APTUS UI/UX Glassmorphism Standard
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:ital,wght@0,500;0,700;1,700&family=Permanent+Marker&family=Plus+Jakarta+Sans:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  /* Cores Base Invariantes */
  --bg-dark-base: #0A0A0A;
  --bg-dark-surface: #121212;
  --bg-card-glass: rgba(18, 18, 18, 0.75);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(211, 26, 36, 0.4);

  /* Ação e Destaques */
  --crimson-primary: #D31A24;
  --crimson-hover: #E02424;
  --crimson-glow: rgba(211, 26, 36, 0.35);

  /* Tipografia */
  --text-pure: #FFFFFF;
  --text-muted: #9CA3AF;
  --text-dimmed: #6B7280;

  /* Fontes */
  --font-display: 'Permanent Marker', cursive;
  --font-heading: 'Chakra Petch', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Transição */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-dark-base);
  color: var(--text-pure);
  overflow-x: hidden;
}

body {
  background: radial-gradient(circle at 50% 0%, #1a0507 0%, var(--bg-dark-base) 70%);
  min-height: 100vh;
  line-height: 1.6;
}

/* Noise overlay sutil */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
  opacity: 0.025;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Utilitários Glassmorphism */
.glass-panel {
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: var(--border-glass-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px var(--crimson-glow);
}

/* Tipografia */
.font-display {
  font-family: var(--font-display);
  color: var(--crimson-primary);
  text-shadow: 0 0 15px rgba(211, 26, 36, 0.4);
}

.font-heading {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 3rem auto;
  font-size: 1.1rem;
}

/* Botões */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--crimson-primary) 0%, #b0131b 100%);
  color: var(--text-pure);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px var(--crimson-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--crimson-hover) 0%, var(--crimson-primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(211, 26, 36, 0.6);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-pure);
  border: 1px solid var(--border-glass);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.85rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Header Navbar */
.header-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  padding: 0.75rem 0;
}

.nav-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-pure);
  flex-shrink: 0;
}

.brand-logo img {
  height: 42px;
  width: auto;
  filter: drop-shadow(0 0 8px var(--crimson-glow));
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.1;
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.brand-title span.korean {
  font-size: 0.7rem;
  color: var(--crimson-primary);
  letter-spacing: 0.15em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.nav-links a:hover {
  color: var(--crimson-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.nav-actions .btn-secondary,
.nav-actions .btn-primary {
  white-space: nowrap;
  padding: 0.6rem 1rem;
  font-size: 0.8rem;
}

.mobile-only-link {
  display: none;
}

.mobile-menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-pure);
  width: 42px;
  height: 42px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.mobile-menu-toggle:hover {
  background: rgba(211, 26, 36, 0.2);
  border-color: var(--crimson-primary);
  color: var(--crimson-primary);
}

/* Hero Section */
.hero-section {
  padding: 11rem 1.5rem 6rem 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(211, 26, 36, 0.15);
  border: 1px solid rgba(211, 26, 36, 0.3);
  color: var(--crimson-primary);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero-brush {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
  display: block;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-media {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), 0 0 40px var(--crimson-glow);
}

.hero-media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-media:hover img {
  transform: scale(1.03);
}

.hero-overlay-tag {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  padding: 1rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
}

.hero-overlay-tag h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-pure);
}

.hero-overlay-tag p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Sections Layout */
.section-padding {
  padding: 6rem 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
}

/* Pilares / Beneficios Grid */
.pilares-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.pilar-card {
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.pilar-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(211, 26, 36, 0.1);
  border: 1px solid rgba(211, 26, 36, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--crimson-primary);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.pilar-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.pilar-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Mestres / Autoridade */
.mestres-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.mestre-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  padding: 2rem;
  align-items: center;
}

.mestre-photo {
  width: 100%;
  height: 240px;
  border-radius: 12px;
  object-fit: cover;
  border: 2px solid rgba(211, 26, 36, 0.3);
}

.mestre-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--text-pure);
}

.mestre-dan {
  display: inline-block;
  color: var(--crimson-primary);
  font-weight: 700;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.mestre-bio {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Modalidades Abas */
.modalidades-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn.active, .tab-btn:hover {
  background: var(--crimson-primary);
  color: var(--text-pure);
  border-color: var(--crimson-primary);
  box-shadow: 0 0 20px var(--crimson-glow);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.tab-text h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.tab-text p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.tab-highlights {
  list-style: none;
  margin-bottom: 2rem;
}

.tab-highlights li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-pure);
  margin-bottom: 0.75rem;
}

.tab-highlights li svg {
  color: var(--crimson-primary);
}

/* Grade de Horários Interativa (CMK Model) */
.schedule-filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.schedule-filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 0.6rem 1.25rem;
  border-radius: 30px;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.schedule-filter-btn.active {
  background: var(--crimson-primary);
  color: var(--text-pure);
  border-color: var(--crimson-primary);
}

.schedule-table-wrapper {
  overflow-x: auto;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.schedule-table th {
  background: rgba(211, 26, 36, 0.2);
  color: var(--text-pure);
  font-family: var(--font-heading);
  padding: 0.85rem 0.5rem;
  text-transform: uppercase;
  font-size: 0.85rem;
  border-bottom: 2px solid var(--crimson-primary);
  white-space: nowrap;
}

.schedule-table td {
  padding: 0.85rem 0.5rem;
  border-bottom: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

.admin-table th {
  padding: 0.75rem 0.5rem;
  font-size: 0.82rem;
  white-space: nowrap;
}

.admin-table td {
  padding: 0.7rem 0.5rem;
  font-size: 0.82rem;
  white-space: nowrap;
}

.schedule-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-pure);
}

.badge-tag {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  font-family: var(--font-heading);
  white-space: nowrap;
  word-break: keep-all;
}

.badge-kids { background: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.4); }
.badge-adulto { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }
.badge-competicao { background: rgba(211, 26, 36, 0.2); color: #f87171; border: 1px solid rgba(211, 26, 36, 0.4); }

/* Infográfico de Faixas & Graduação */
.faixas-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
}

.faixa-card {
  padding: 1.5rem;
  text-align: center;
}

.faixa-stripe {
  height: 20px;
  width: 100%;
  border-radius: 4px;
  margin-bottom: 1rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.2);
}

.faixa-branca { background: #FFFFFF; }
.faixa-amarela { background: #FACC15; }
.faixa-verde { background: #22C55E; }
.faixa-azul { background: #3B82F6; }
.faixa-vermelha { background: #EF4444; }
.faixa-preta { background: #000000; border-color: var(--crimson-primary); }

.faixa-card h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.faixa-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Depoimentos Carrossel / Cards */
.depoimentos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.depoimento-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.depoimento-stars {
  color: #FACC15;
  margin-bottom: 1rem;
}

.depoimento-text {
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.depoimento-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.depoimento-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--crimson-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-heading);
}

/* CTA Final Section */
.cta-final-box {
  background: linear-gradient(135deg, rgba(211, 26, 36, 0.25) 0%, rgba(18, 18, 18, 0.9) 100%);
  border: 1px solid var(--crimson-primary);
  border-radius: 24px;
  padding: 4rem 2rem;
  text-align: center;
  box-shadow: 0 0 50px rgba(211, 26, 36, 0.3);
}

.form-grid {
  max-width: 600px;
  margin: 2.5rem auto 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  text-align: left;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-group label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-control {
  background: rgba(10, 10, 10, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--text-pure);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--crimson-primary);
  box-shadow: 0 0 15px var(--crimson-glow);
}

/* Modal Popup */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop.active {
  display: flex;
}

.modal-card {
  width: 100%;
  max-width: 520px;
  padding: 2.5rem;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  color: var(--crimson-primary);
}

/* Rodapé */
.footer-section {
  border-top: 1px solid var(--border-glass);
  background: rgba(10, 10, 10, 0.95);
  padding: 4rem 1.5rem 2rem 1.5rem;
}

.footer-container {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1.3fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-info p {
  color: var(--text-muted);
  margin-top: 1rem;
  font-size: 0.95rem;
  max-width: 360px;
}

.maps-preview-hover:hover {
  border-color: var(--crimson-primary) !important;
  box-shadow: 0 0 25px var(--crimson-glow);
  transform: translateY(-2px);
}

.footer-links h4 {
  font-family: var(--font-heading);
  margin-bottom: 1.25rem;
  color: var(--text-pure);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--crimson-primary);
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 1500;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.6);
}

/* Offline Indicator Toast */
.offline-toast {
  position: fixed;
  top: 5rem; left: 50%;
  transform: translateX(-50%);
  background: #EF4444;
  color: #FFF;
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  display: none;
  z-index: 2500;
  box-shadow: 0 4px 20px rgba(239, 68, 68, 0.5);
}

/* Responsividade */
@media (max-width: 1100px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--crimson-primary);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.85rem;
    align-items: flex-start;
    display: none;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.9);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    font-size: 0.95rem;
    width: 100%;
    display: block;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .mobile-only-link {
    display: block;
  }

  .nav-actions .nav-btn-aluno {
    display: none;
  }

  .nav-actions .nav-btn-aula {
    padding: 0.5rem 0.85rem;
    font-size: 0.75rem;
  }

  .hero-section {
    grid-template-columns: 1fr;
    padding-top: 8rem;
    text-align: center;
  }
  .hero-subtitle { margin: 0 auto 2.5rem auto; }
  .hero-actions { justify-content: center; }
  .mestres-grid { grid-template-columns: 1fr; }
  .mestre-card { grid-template-columns: 1fr; text-align: center; }
  .mestre-photo { margin: 0 auto; }
  .tab-content.active { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr; }
}