/* ==============================================================================
   DESIGN SYSTEM & CORE STYLES — XX SEMANA DE TECNOLOGIA FATEC OURINHOS 2026
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Orbitron:wght@500;700;900&family=Rajdhani:wght@500;600;700&display=swap');

:root {
  /* Cores Principais baseadas no Anexo 1 */
  --bg-deep: #050814;
  --bg-darker: #080c1d;
  --bg-surface: #0e152e;
  --bg-surface-elevated: #141e42;
  --bg-card: rgba(14, 21, 46, 0.75);
  --bg-card-hover: rgba(22, 33, 73, 0.9);
  --bg-glass: rgba(10, 16, 38, 0.65);
  
  /* Cores de Destaque Tecnológico (Neon / Cyber) */
  --cyan-neon: #00f0ff;
  --cyan-glow: rgba(0, 240, 255, 0.4);
  --blue-primary: #0066cc; /* Azul idêntico aos botões do menu do Anexo 1 */
  --blue-electric: #0084ff;
  --blue-deep: #004499;
  --purple-neon: #8a2be2;
  --purple-glow: rgba(138, 43, 226, 0.4);
  --magenta-neon: #ff007f;
  --magenta-glow: rgba(255, 0, 127, 0.4);
  --purple-btn: #7928ca;
  --purple-btn-gradient: linear-gradient(135deg, #7f22a7 0%, #5e17eb 100%);
  
  /* Textos e Contraste */
  --text-white: #ffffff;
  --text-primary: #e6edfc;
  --text-secondary: #a3b8db;
  --text-muted: #6f82a5;
  --text-accent: #00f0ff;
  
  /* Bordas e Sombras */
  --border-subtle: rgba(0, 162, 255, 0.2);
  --border-neon: rgba(0, 240, 255, 0.5);
  --border-magenta: rgba(255, 0, 127, 0.45);
  --shadow-neon: 0 0 25px rgba(0, 240, 255, 0.25);
  --shadow-purple: 0 0 25px rgba(121, 40, 202, 0.35);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);
  
  /* Tipografia */
  --font-display: 'Orbitron', 'Rajdhani', sans-serif;
  --font-tech: 'Rajdhani', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Layout */
  --max-width: 1240px;
  --header-height: 80px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #0d1636 0%, #050814 60%, #03050d 100%);
  position: relative;
}

/* Scrollbar Personalizada Cyberpunk */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: #050814;
}
::-webkit-scrollbar-thumb {
  background: #15224f;
  border-radius: 4px;
  border: 1px solid rgba(0, 240, 255, 0.3);
}
::-webkit-scrollbar-thumb:hover {
  background: #0066cc;
  box-shadow: 0 0 10px var(--cyan-neon);
}

/* Background Cyber Grid Global */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(to right, rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* Utilitários de Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 2;
}

.section-padding {
  padding-top: 80px;
  padding-bottom: 80px;
}

/* Títulos de Seção Estilizados */
.section-header {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-tech);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan-neon);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--border-neon);
  padding: 6px 18px;
  border-radius: 4px;
  margin-bottom: 16px;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 14px;
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Links Globais */
a {
  color: var(--cyan-neon);
  text-decoration: none;
  transition: all var(--transition-fast);
}
a:hover {
  color: #ffffff;
  text-shadow: 0 0 10px var(--cyan-neon);
}

/* Botões Reutilizáveis */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-tech);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
}

/* Botão Azul Primário (Estilo menu do Anexo 1) */
.btn-blue {
  background-color: var(--blue-primary);
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 15px rgba(0, 102, 204, 0.35);
}
.btn-blue:hover {
  background-color: var(--blue-electric);
  box-shadow: 0 0 20px rgba(0, 132, 255, 0.6);
  transform: translateY(-2px);
  color: #fff;
}

/* Botão Roxo / Magenta (Estilo Inscreva-se do Anexo 1) */
.btn-subscribe {
  background: var(--purple-btn-gradient);
  color: var(--text-white);
  border: 2px solid #b538ff;
  border-radius: 4px;
  padding: 10px 32px;
  font-size: 1.15rem;
  box-shadow: 0 0 20px rgba(181, 56, 255, 0.5), inset 0 0 12px rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}
.btn-subscribe::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}
.btn-subscribe:hover::before {
  left: 100%;
}
.btn-subscribe:hover {
  box-shadow: 0 0 30px rgba(181, 56, 255, 0.8), inset 0 0 15px rgba(255, 255, 255, 0.4);
  transform: translateY(-2px) scale(1.03);
  border-color: #00f0ff;
}

/* Botão Secundário / Outline */
.btn-outline-cyan {
  background: rgba(0, 240, 255, 0.08);
  color: var(--cyan-neon);
  border: 1px solid var(--cyan-neon);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}
.btn-outline-cyan:hover {
  background: var(--cyan-neon);
  color: #04060f;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
  transform: translateY(-2px);
}

/* Botão Regras (Estilo Anexo 3) */
.btn-rules {
  background: #27659b;
  color: #00ffc4;
  border: 1px solid #00ffc4;
  padding: 12px 34px;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(39, 101, 155, 0.5);
}
.btn-rules:hover {
  background: #1e5280;
  box-shadow: 0 0 20px rgba(0, 255, 196, 0.6);
  transform: translateY(-2px);
}

/* Breadcrumbs para subpáginas */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-tech);
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.breadcrumbs a {
  color: var(--text-secondary);
}
.breadcrumbs a:hover {
  color: var(--cyan-neon);
}
.breadcrumbs span.current {
  color: var(--cyan-neon);
  font-weight: 600;
}

/* Elementos Visuais Cyber */
.badge-tech {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(0, 240, 255, 0.15);
  color: var(--cyan-neon);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

/* Animações Keyframes */
@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
  }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(1000%); }
}

@keyframes neon-pulse-purple {
  0%, 100% {
    box-shadow: 0 0 24px rgba(138, 43, 226, 0.6), 0 0 60px rgba(138, 43, 226, 0.25), inset 0 0 20px rgba(138, 43, 226, 0.1);
  }
  50% {
    box-shadow: 0 0 40px rgba(138, 43, 226, 0.9), 0 0 90px rgba(138, 43, 226, 0.45), inset 0 0 30px rgba(138, 43, 226, 0.2);
  }
}

@keyframes floatParticle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Acessibilidade - Foco Visível para Navegação por Teclado */
:focus-visible {
  outline: 2px solid var(--cyan-neon);
  outline-offset: 3px;
}

/* Notificação Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.toast {
  background: var(--bg-surface-elevated);
  color: var(--text-white);
  border-left: 4px solid var(--cyan-neon);
  padding: 16px 20px;
  border-radius: 6px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight 0.3s ease forwards;
  max-width: 380px;
  font-size: 0.95rem;
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}