/* ==========================================================================
   Curso de Análise de Dados - Modern Tech Design System 2026
   ========================================================================== */

:root {
  /* Colors */
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #26354a;
  --bg-surface: #1e293b80;
  
  --primary-accent: #0ea5e9; /* Cyan / Sky */
  --primary-gradient: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
  
  --emerald: #10b981;
  --emerald-hover: #059669;
  --emerald-glow: rgba(16, 185, 129, 0.4);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #0f172a;

  --border-light: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(14, 165, 233, 0.3);

  /* Fonts */
  --font-heading: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.35);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary-accent);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: #38bdf8;
}

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.25;
  font-weight: 700;
}

.text-gradient {
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 50%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-center {
  text-align: center;
}

.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-5 { margin-top: 2.5rem; }
.w-100 { width: 100%; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  text-align: center;
}

.btn-emerald {
  background: var(--emerald);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-emerald:hover {
  background: var(--emerald-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-lg {
  padding: 1.1rem 2.2rem;
  font-size: 1.125rem;
  border-radius: var(--radius-md);
}

.btn-glow {
  animation: pulse-glow 3s infinite alternate;
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 15px rgba(16, 185, 129, 0.3); }
  100% { box-shadow: 0 0 30px rgba(16, 185, 129, 0.6); }
}

/* Header & Navbar */
.navbar-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 0.75rem 0;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo img {
  object-fit: contain;
  border-radius: var(--radius-sm);
  max-height: 50px;
  width: auto;
}

.main-nav .nav-list {
  display: flex;
  gap: 2rem;
}

.main-nav .nav-list a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.main-nav .nav-list a:hover {
  color: var(--text-main);
}

/* Layout Container */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid var(--border-glow);
  color: var(--primary-accent);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 0.8rem;
}

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

/* Hero Section */
.hero-section {
  position: relative;
  padding: 4rem 0 5rem;
  background: radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 1.2rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--emerald);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2.2rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  color: var(--text-main);
}

.check-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.hero-cta-box {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}

.cta-guarantee {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Hero Media & Floating Card */
.hero-media {
  position: relative;
}

.card-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.preview-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  transition: transform 0.4s ease;
}

.card-preview:hover .preview-img {
  transform: scale(1.02);
}

.card-glass-floating {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.floating-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-accent);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.floating-divider {
  width: 1px;
  height: 35px;
  background: var(--border-light);
}

/* Key Metrics Section */
.metrics-section {
  background: var(--bg-card);
  border-y: 1px solid var(--border-light);
  padding: 2.5rem 0;
}

.metrics-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem;
  background: rgba(15, 23, 42, 0.4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.metric-icon {
  font-size: 2.2rem;
}

.metric-info h3 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.metric-info p {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Video Section */
.video-section {
  background: radial-gradient(circle at 50% 50%, rgba(14, 165, 233, 0.08) 0%, transparent 60%);
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-glow);
  max-width: 900px;
  margin: 0 auto;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Career Section */
.career-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.career-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  transition: all 0.3s ease;
}

.career-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-accent);
}

.career-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.8rem;
}

.career-card-header img {
  width: 22px;
  height: 22px;
}

.career-card-header h3 {
  font-size: 1.15rem;
}

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

.highlight-card {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.15) 0%, rgba(16, 185, 129, 0.15) 100%);
  border: 1px solid var(--border-glow);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.highlight-val {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: #38bdf8;
  margin-bottom: 0.3rem;
}

.highlight-desc {
  font-size: 0.9rem !important;
  color: var(--text-main) !important;
  font-weight: 500;
}

/* Target Audience Section */
.praquem-section {
  background: var(--bg-card);
  border-y: 1px solid var(--border-light);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.audience-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  position: relative;
  transition: all 0.3s ease;
}

.audience-card:hover {
  transform: translateY(-5px);
  background: rgba(15, 23, 42, 0.9);
  border-color: var(--emerald);
}

.audience-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(14, 165, 233, 0.3);
  margin-bottom: 0.8rem;
}

.audience-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  line-height: 1.35;
}

.audience-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Narrative Section */
.pqfazer-section {
  position: relative;
}

.narrative-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  max-width: 950px;
  margin: 0 auto;
}

.narrative-badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.narrative-box h2 {
  font-size: 2rem;
  margin-bottom: 0.8rem;
}

.narrative-subtitle {
  color: var(--primary-accent);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

.narrative-image-wrapper {
  text-align: center;
  margin: 2rem 0;
}

.narrative-img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin: 0 auto;
}

.narrative-body p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  line-height: 1.7;
}

.narrative-body h3 {
  font-size: 1.4rem;
  margin: 2rem 0 1rem;
  color: var(--text-main);
}

.quote-card {
  background: rgba(14, 165, 233, 0.08);
  border-left: 4px solid var(--primary-accent);
  padding: 1.2rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
}

.quote-card p {
  color: var(--text-main) !important;
  font-style: italic;
  margin-bottom: 0 !important;
}

.banner-inline {
  margin: 2rem 0;
  text-align: center;
}

.banner-img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin: 0 auto;
}

/* Instructor Section */
.instructor-section {
  background: var(--bg-card);
  border-y: 1px solid var(--border-light);
}

.instructor-card {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 3.5rem;
  align-items: center;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3rem;
}

.instructor-avatar-box {
  position: relative;
  text-align: center;
}

.instructor-avatar {
  width: 240px;
  height: 240px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--primary-accent);
  box-shadow: 0 0 30px rgba(14, 165, 233, 0.3);
  margin: 0 auto;
}

.instructor-tag {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--emerald);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.instructor-role {
  color: var(--primary-accent);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.instructor-bio p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.65;
}

.instructor-badges {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.badge-chip {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-main);
  font-weight: 500;
}

/* Curriculum / Program Section */
.program-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.program-intro-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  position: sticky;
  top: 100px;
}

.program-intro-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.program-outcomes {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.program-outcomes li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.program-outcomes img {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Accordion */
.accordion-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.accordion-item[open] {
  border-color: var(--primary-accent);
}

.accordion-header {
  padding: 1.2rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
  user-select: none;
  list-style: none;
  background: rgba(30, 41, 59, 0.9);
  transition: background 0.2s ease;
}

.accordion-header::-webkit-details-marker {
  display: none;
}

.accordion-header:hover {
  background: var(--bg-card-hover);
}

.module-code {
  background: rgba(14, 165, 233, 0.15);
  color: var(--primary-accent);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  white-space: nowrap;
}

.module-title {
  flex-grow: 1;
}

.accordion-body {
  padding: 1.2rem 1.5rem 1.5rem 3.2rem;
  border-top: 1px solid var(--border-light);
  background: rgba(15, 23, 42, 0.5);
}

.accordion-body ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.accordion-body li {
  position: relative;
  font-size: 0.925rem;
  color: var(--text-muted);
  padding-left: 1.2rem;
}

.accordion-body li::before {
  content: "•";
  color: var(--primary-accent);
  position: absolute;
  left: 0;
  font-size: 1.2rem;
  line-height: 1;
}

/* Final CTA Section */
.final-cta-section {
  padding: 4rem 0 6rem;
}

.cta-banner {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.2) 0%, rgba(16, 185, 129, 0.2) 100%),
              var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta-banner h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-banner p {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 650px;
  margin: 0 auto 2.2rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.guarantee-badge {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Footer */
.main-footer {
  background: #090d16;
  border-top: 1px solid var(--border-light);
  padding: 4rem 0 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 3rem;
}

.footer-brand img {
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-contact {
  margin-top: 0.8rem;
  color: var(--text-main) !important;
  font-weight: 600;
}

.footer-links h4 {
  font-size: 1rem;
  margin-bottom: 1.2rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-legal p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.8rem;
}

.footer-quote {
  font-style: italic;
  color: rgba(148, 163, 184, 0.7) !important;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-cta-box {
    align-items: center;
  }

  .hero-highlights {
    align-items: flex-start;
    display: inline-flex;
    text-align: left;
  }

  .metrics-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .career-grid, .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .program-grid {
    grid-template-columns: 1fr;
  }

  .program-intro-card {
    position: static;
  }

  .instructor-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .instructor-badges {
    justify-content: center;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none; /* Mobile Menu toggle could be added if needed */
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .metrics-container {
    grid-template-columns: 1fr;
  }

  .career-grid, .audience-grid {
    grid-template-columns: 1fr;
  }

  .narrative-box {
    padding: 1.8rem;
  }

  .section-container {
    padding: 3.5rem 1.25rem;
  }

  .cta-banner {
    padding: 2.5rem 1.25rem;
  }

  .cta-banner h2 {
    font-size: 1.75rem;
  }
}