/* ==========================================================================
   PORTAL DE COMPUTAÇÃO GRÁFICA - IFPA CAMPUS BREVES
   Estilos Globais e Componentes Modernos
   ========================================================================== */

:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #eff6ff;
  --color-primary-border: #bfdbfe;
  
  --color-accent: #06b6d4;
  --color-accent-purple: #8b5cf6;
  --color-accent-emerald: #10b981;
  
  --color-bg-main: #f8fafc;
  --color-bg-card: #ffffff;
  --color-bg-subtle: #f1f5f9;
  
  --color-text-title: #0f172a;
  --color-text-body: #334155;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;
  
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 25px -5px rgba(37, 99, 235, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--color-bg-main);
  color: var(--color-text-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Utilitários de container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   NAVEGAÇÃO SUPERIOR (HEADER)
   ========================================================================== */

.top-navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text-title);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-text p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-body);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--color-primary);
  color: white !important;
  padding: 8px 18px;
  border-radius: 999px;
  transition: all 0.2s !important;
}

.nav-cta:hover {
  background: var(--color-primary-hover) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   HERO SECTION COM THREE.JS INTERATIVO
   ========================================================================== */

.hero-section {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  padding: 60px 0 80px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(37, 99, 235, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text-title);
  margin-bottom: 20px;
}

.hero-title span {
  background: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-body);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-primary);
  color: white;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
  transition: all 0.2s;
}

.btn-main:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: white;
  color: var(--color-text-title);
  border: 1px solid var(--color-border);
  padding: 14px 26px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}

.stat-item h4 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-title);
}

.stat-item p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Canvas 3D Interativo no Hero */
.hero-canvas-wrapper {
  position: relative;
  width: 100%;
  height: 420px;
  background: radial-gradient(circle at center, #ffffff 0%, #edf2f7 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

#hero-3d-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.canvas-hint {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   SEÇÕES GERAIS
   ========================================================================== */

section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px auto;
}

.section-badge {
  display: inline-block;
  background: #e2e8f0;
  color: #475569;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-title);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   CARDS DE PROJETOS E ATIVIDADES
   ========================================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.project-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
}

.card-top-banner {
  padding: 24px 32px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.card-top-banner.banner-secondary {
  background: linear-gradient(135deg, #1e3a8a 0%, #0284c7 100%);
}

.card-top-banner.banner-purple {
  background: linear-gradient(135deg, #4338ca 0%, #7c3aed 100%);
}

.project-meta-badge {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.8rem;
  font-weight: 700;
  opacity: 0.35;
}

.card-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 12px;
  line-height: 1.3;
}

.project-description {
  font-size: 0.95rem;
  color: var(--color-text-body);
  line-height: 1.6;
  margin-bottom: 24px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.tech-tag {
  background: var(--color-bg-subtle);
  color: var(--color-text-body);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
}

/* Destaque das Subdivisões do Projeto 02 */
.subproject-box {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
  transition: background-color 0.2s;
}

.subproject-box:hover {
  background: #f1f5f9;
}

.subproject-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.subproject-icon {
  font-size: 1.25rem;
}

.subproject-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-title);
}

.subproject-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin-bottom: 12px;
}

.card-footer-actions {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-card-primary {
  background: var(--color-primary);
  color: white;
  flex: 1;
}

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

.btn-card-outline {
  background: white;
  color: var(--color-text-body);
  border: 1px solid var(--color-border);
}

.btn-card-outline:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-border-hover);
  color: var(--color-text-title);
}

/* ==========================================================================
   TRILHA DE APRENDIZADO
   ========================================================================== */

.learning-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.timeline-step {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  transition: transform 0.2s;
}

.timeline-step:hover {
  transform: translateY(-4px);
  border-color: #93c5fd;
}

.step-num {
  width: 36px;
  height: 36px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 18px;
  border: 2px solid var(--color-primary-border);
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 10px;
}

.step-description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   RECURSOS E FERRAMENTAS DE APOIO
   ========================================================================== */

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.resource-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
}

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

.resource-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.resource-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.resource-ext-icon {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.resource-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
  flex: 1;
}

.resource-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ==========================================================================
   INFORMAÇÕES INSTITUCIONAIS & PROFESSOR
   ========================================================================== */

.teacher-banner {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  display: flex;
  align-items: center;
  gap: 32px;
  box-shadow: var(--shadow-sm);
}

.teacher-avatar-box {
  width: 105px;
  height: 105px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.18);
  border: 3px solid #ffffff;
  background: #0f172a;
}

.teacher-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.teacher-info h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 4px;
}

.teacher-role {
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.teacher-bio {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   RODAPÉ (FOOTER)
   ========================================================================== */

footer {
  margin-top: auto;
  background: #0f172a;
  color: #94a3b8;
  padding: 60px 0 30px 0;
  border-top: 1px solid #1e293b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h4 {
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 380px;
}

.footer-col h5 {
  color: white;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* ==========================================================================
   RESPONSIVIDADE
   ========================================================================== */

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .teacher-banner {
    flex-direction: column;
    text-align: center;
    padding: 30px 20px;
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
  }
  
  .hero-title {
    font-size: 1.85rem;
  }
  
  .hero-canvas-wrapper {
    height: 320px;
  }
  
  .card-body {
    padding: 20px;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}