/* ============================================================
   Insper Financial Analytics — Custom Styles
   ============================================================ */

/* Hero section for landing page */
.hero-banner {
  background: linear-gradient(135deg, #1a1a1a 0%, #3F3F3F 50%, #E50505 100%);
  color: #fff;
  padding: 3em 2em;
  border-radius: 0.8rem;
  margin-bottom: 2em;
  position: relative;
  overflow: hidden;
}

.hero-banner h1 {
  font-family: 'GT Ultra Fine', Georgia, serif;
  color: #fff !important;
  border-bottom: none;
  font-size: 2.8em;
  margin-bottom: 0.3em;
}

.hero-banner .subtitle {
  font-size: 1.3em;
  color: #DCDCDC;
  margin-bottom: 1em;
}

.hero-banner .badge-line {
  display: flex;
  gap: 0.8em;
  flex-wrap: wrap;
}

.hero-banner .badge-item {
  background: rgba(255,255,255,0.15);
  padding: 0.4em 1em;
  border-radius: 2em;
  font-size: 0.85em;
  backdrop-filter: blur(4px);
}

/* Timeline / Schedule cards */
.schedule-card {
  background: #fff;
  border-radius: 0.5rem;
  padding: 1em 1.2em;
  margin: 0.5em 0;
  border-left: 4px solid #DCDCDC;
  transition: all 0.2s ease;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.schedule-card:hover {
  border-left-color: #E50505;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  transform: translateX(4px);
}

.schedule-card.tipo-aula {
  border-left-color: #E50505;
}

.schedule-card.tipo-lab {
  border-left-color: #3ACC9F;
}

.schedule-card.tipo-juntos {
  border-left-color: #FFCC00;
}

.schedule-card .date {
  font-weight: 700;
  color: #3F3F3F;
}

.schedule-card .tipo {
  display: inline-block;
  padding: 0.15em 0.5em;
  border-radius: 0.3em;
  font-size: 0.75em;
  font-weight: 600;
  text-transform: uppercase;
}

.tipo-aula-badge  { background: #fde8e8; color: #E50505; }
.tipo-lab-badge   { background: #e6f9f1; color: #2a8c6e; }
.tipo-juntos-badge { background: #fff8e1; color: #b8860b; }

/* Progress indicator */
.progress-section {
  display: flex;
  gap: 0.3em;
  margin: 1.5em 0;
}

.progress-dot {
  width: 2em;
  height: 0.4em;
  border-radius: 0.2em;
  background: #DCDCDC;
}

.progress-dot.done {
  background: #E50505;
}

.progress-dot.current {
  background: #FFCC00;
}

/* Interactive tabs for R/Python */
.tab-content {
  border: 1px solid #DCDCDC;
  border-top: none;
  border-radius: 0 0 0.5rem 0.5rem;
  padding: 1em;
}

/* Diagram containers */
.diagram-container {
  background: #f8f9fa;
  border-radius: 0.5rem;
  padding: 1.5em;
  margin: 1.5em 0;
  text-align: center;
}

/* Key formula highlight */
.formula-highlight {
  background: linear-gradient(135deg, #f8f9fa, #fff);
  border: 1px solid #DCDCDC;
  border-radius: 0.5rem;
  padding: 1.5em;
  margin: 1.5em 0;
  text-align: center;
  font-size: 1.1em;
}

.formula-highlight .formula-label {
  display: block;
  font-size: 0.8em;
  color: #808080;
  margin-bottom: 0.5em;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Mermaid diagram styling */
.mermaid {
  margin: 1.5em 0;
}

/* Objective list */
.objetivos {
  background: #f0f7f4;
  border-radius: 0.5rem;
  padding: 1.2em 1.5em;
  margin: 1.5em 0;
}

.objetivos h4 {
  color: #2a8c6e;
  margin-top: 0;
}

.objetivos ul {
  margin-bottom: 0;
}

/* Quiz colapsável — estilo pergunta/resposta */
.callout-caution.callout[data-collapse="true"] {
  border-left-color: #FFCC00 !important;
  background: #fffdf5;
}

.callout-caution.callout[data-collapse="true"] .callout-header {
  cursor: pointer;
  font-weight: 600;
}

.callout-caution.callout[data-collapse="true"] .callout-body {
  border-top: 1px solid #f0e6c0;
  padding-top: 0.8em;
  color: #3F3F3F;
}

/* Animate on scroll (subtle) */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}