/* ==========================================================
   EDCELL-TECH - ARQUITETURA DE ESTILOS PROFISSIONAL (CSS3)
   1. Variáveis & Reset (Suporte a Tema Claro / Escuro Nítidos)
   2. Base & Tipografia
   3. Header & Navegação
   4. Hero Section
   5. Pesquisa
   6. Aplicações em Destaque
   7. Categorias & Acordeão (Grid de Cards)
   8. Seção Sobre
   9. Botão WhatsApp & Elementos Flutuantes
   10. Modais / Popups
   11. Footer
   12. Animações & Transições
   13. Responsividade & Acessibilidade
   ========================================================== */

/* 1. VARIÁVEIS DO SISTEMA (MODO CLARO - PADRÃO) */
:root {
  --bg-color: #f4f6f9;
  --bg-radial-1: rgba(39, 174, 96, 0.1);
  --bg-radial-2: rgba(0, 122, 255, 0.08);
  --panel-bg: #ffffff;
  --header-bg: rgba(255, 255, 255, 0.92);
  --card-bg: #ffffff;
  --card-hover: #eef2f7;
  --accordion-panel-bg: #f8fafc;
  --border-color: #d1d5db;
  --border-active: #1e7e34;
  
  --primary: #1e7e34;
  --primary-hover: #145a23;
  --primary-glow: rgba(30, 126, 52, 0.25);
  
  --title-color: #0f172a;
  --text-main: #0f172a;
  --text-sub: #475569;
  --text-muted: #64748b;

  --whatsapp: #25d366;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.1);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* MODO ESCURO (ATIVADO VIA BOTÃO OU PREFERÊNCIA SALVA) */
body.dark-theme {
  --bg-color: #0b0f19;
  --bg-radial-1: rgba(58, 161, 75, 0.08);
  --bg-radial-2: rgba(0, 150, 255, 0.05);
  --panel-bg: rgba(18, 26, 43, 0.85);
  --header-bg: rgba(11, 15, 25, 0.85);
  --card-bg: #131c2e;
  --card-hover: #1c2a45;
  --accordion-panel-bg: rgba(19, 28, 46, 0.6);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-active: rgba(58, 161, 75, 0.6);
  
  --primary: #2ecc71;
  --primary-hover: #27ae60;
  --primary-glow: rgba(46, 204, 113, 0.3);
  
  --title-color: #ffffff;
  --text-main: #f0f6fc;
  --text-sub: #919eab;
  --text-muted: #637381;

  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
}

/* Removemos a transição lenta de cor do body para o carregamento ser instantâneo */
body {
  background-color: var(--bg-color);
  background-image: 
    radial-gradient(circle at 15% 15%, var(--bg-radial-1), transparent 35%),
    radial-gradient(circle at 85% 65%, var(--bg-radial-2), transparent 40%);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
  line-height: 1.5;
}
/* 2. RESET E BASE GLOBAL */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  background-image: 
    radial-gradient(circle at 15% 15%, var(--bg-radial-1), transparent 35%),
    radial-gradient(circle at 85% 65%, var(--bg-radial-2), transparent 40%);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
  line-height: 1.5;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Tipografia */
h1, h2, h3, h4 {
  color: var(--title-color);
  font-weight: 700;
  letter-spacing: -0.5px;
}

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

/* 3. ALTERNADOR DE TEMA (SOL/LUA) */

/* 3. ALTERNADOR DE TEMA (SOL/LUA) */
#tema2Emoji {
  position: fixed;
  top: 16px;
  left: 16px;
  font-size: 18px; /* Ajuste o tamanho do ícone/emoji aqui */
  cursor: pointer;
  z-index: 1000;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  padding: 6px 8px; /* Reduzido levemente para caber bem na barra */
  border-radius: 50%;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}



#tema2Emoji:hover {
  transform: scale(1.15) rotate(15deg);
  border-color: var(--primary);
}

/* 4. CABEÇALHO / HEADER */
.app-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
  transition: var(--transition);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 45px;
}

.brand-icon {
  font-size: 26px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--title-color);
}

.brand-tagline {
  font-size: 11px;
  color: var(--text-sub);
}

.top-nav {
  display: flex;
  gap: 20px;
}

.top-nav a {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-sub);
  transition: var(--transition);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

.top-nav a:hover {
  color: var(--primary);
  background: rgba(0, 0, 0, 0.04);
}

/* 5. HERO SECTION */
.hero-section {
  padding: 60px 20px 40px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  margin-bottom: 16px;
  text-shadow: 0 0 20px var(--primary-glow);
  transition: opacity 0.1s;
}

.hero-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-sub);
  margin-bottom: 30px;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
}

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

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 0 15px var(--primary-glow);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

#doarBtnFixo, .btn-secondary {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

#doarBtnFixo:hover, .btn-secondary:hover {
  background: var(--card-hover);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* 6. ÁREA DE PESQUISA */
.search-container {
  max-width: 750px;
  margin: 0 auto 40px;
  padding: 0 20px;
  width: 100%;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 18px;
  color: var(--text-sub);
  font-size: 16px;
}

#appSearchInput {
  width: 100%;
  padding: 16px 140px 16px 48px;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 15px;
  outline: none;
  backdrop-filter: blur(8px);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

#appSearchInput:focus {
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

.search-badge {
  position: absolute;
  right: 12px;
  background: rgba(0, 0, 0, 0.06);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

/* 7. APLICAÇÕES EM DESTAQUE */
.featured-section {
  max-width: 1100px;
  margin: 0 auto 50px;
  padding: 0 20px;
  width: 100%;
}

.section-title-wrap {
  text-align: center;
  margin-bottom: 30px;
}

.section-title-wrap h2 {
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.section-title-wrap h2 i {
  color: var(--primary);
}

.section-title-wrap p {
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 4px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.featured-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.featured-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-md);
}

.card-badge {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(46, 204, 113, 0.12);
  padding: 4px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.card-icon {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 12px;
}

.featured-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.featured-card p {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 20px;
  flex-grow: 1;
}

.btn-card {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-card:hover {
  gap: 10px;
}

/* 8. CATEGORIAS & ACORDEÃO */
.main-content {
  max-width: 1100px;
  margin: 0 auto 60px;
  padding: 0 20px;
  width: 100%;
}

.menu {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.accordion-btn {
  width: 100%;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--title-color);
  padding: 18px 24px;
  text-align: left;
  font-size: 17px;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}

.accordion-btn .icon-cat {
  color: var(--primary);
  font-size: 18px;
}

.accordion-btn:hover {
  background: var(--card-hover);
  border-color: var(--primary);
}

.accordion-btn::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: 24px;
  font-size: 14px;
  color: var(--text-sub);
  transition: transform 0.3s ease;
}

.accordion-btn.active::after {
  transform: rotate(180deg);
  color: var(--primary);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 0;
}

@media (max-width: 900px) {
  .accordion-panel {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .accordion-panel {
    grid-template-columns: 1fr;
  }
}

.accordion-panel a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  background: var(--accordion-panel-bg);
  backdrop-filter: blur(4px);
  transition: var(--transition);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-panel a i {
  color: var(--primary);
  font-size: 14px;
  width: 18px;
  text-align: center;
}

.accordion-panel a:hover {
  background: var(--card-hover);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.accordion-panel a.clicked {
  animation: clickPulse 0.3s ease;
}

@keyframes clickPulse {
  0% { transform: scale(1); }
  50% { transform: scale(0.96); }
  100% { transform: scale(1); }
}

/* 9. SEÇÃO SOBRE */
.about-section {
  max-width: 1100px;
  margin: 0 auto 60px;
  padding: 0 20px;
}

.about-card {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.about-card h2 {
  font-size: 22px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.about-card h2 i {
  color: var(--primary);
}

.about-card p {
  color: var(--text-sub);
  font-size: 14px;
  max-width: 800px;
  margin: 0 auto 10px;
}

/* 10. WHATSAPP & ELEMENTOS FLUTUANTES */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--whatsapp);
  color: #ffffff;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  text-align: center;
  font-size: 28px;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

/* Efeito de Letras Explosivas */
.letter {
  position: fixed;
  font-size: 36px;
  color: var(--title-color);
  pointer-events: none;
  animation: explode 5s forwards;
  z-index: 10;
  text-shadow: 0 0 10px var(--primary);
}

@keyframes explode {
  0% { opacity: 1; transform: translate(0,0) scale(1); }
  100% { opacity: 0; transform: translate(var(--x), var(--y)) scale(1.8); }
}

/* Popups */
.popup {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.popup-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 30px;
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--text-main);
  animation: fadeIn 0.4s ease;
  width: 90%;
  max-width: 480px;
  position: relative;
  box-shadow: var(--shadow-md);
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.popup-content h2 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 12px;
  line-height: 1.5;
  color: var(--text-main);
}

.popup button {
  margin-top: 15px;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  background: var(--primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.popup button:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}

.popup-close {
  position: absolute;
  top: 15px; right: 15px;
  color: var(--text-sub);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
}

.popup-close:hover {
  color: var(--text-main);
}

/* 11. FOOTER */
.main-footer {
  background: var(--header-bg);
  border-top: 1px solid var(--border-color);
  padding: 30px 20px 20px;
  margin-top: auto;
  transition: var(--transition);
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}

.footer-brand span {
  font-size: 16px;
  font-weight: 700;
  color: var(--title-color);
}

.footer-brand p {
  font-size: 12px;
  color: var(--text-sub);
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-sub);
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 15px;
  font-size: 12px;
  color: var(--text-muted);
}

/* 12. RESPONSIVIDADE MOBILE */
@media (max-width: 768px) {
  .top-nav {
    display: none;
  }

  .brand {
    padding-left: 40px;
  }

  .hero-section {
    padding: 40px 15px 30px;
  }

  .search-box input {
    padding-right: 110px;
  }

  .search-badge {
    font-size: 10px;
    padding: 4px 8px;
  }

  .accordion-btn {
    font-size: 15px;
    padding: 14px 18px;
  }
}