/* ============================================================
   CVAT Brasil — course.css  (página de detalhe de curso)
   ============================================================ */

/* ── ACESSIBILIDADE ───────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── HERO ─────────────────────────────────────────────────── */
.course-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 55%, #1e40af 100%);
  color: var(--color-white);
  padding-block: var(--space-20) var(--space-16);
  position: relative;
  overflow: hidden;
}

.course-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.course-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 1024px) {
  .course-hero-inner { grid-template-columns: 1.25fr 1fr; }
}

.course-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.9);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.course-hero-content h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: var(--space-5);
}

.course-hero-accent { color: #93c5fd; }

.course-hero-desc {
  font-size: var(--text-base);
  color: rgba(255,255,255,.78);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: var(--space-8);
}

.course-hero-trust {
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,.15);
  list-style: none;
}

@media (min-width: 480px) {
  .course-hero-trust { grid-template-columns: repeat(2, 1fr); }
}

.course-hero-trust li {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.85);
  font-weight: 500;
}

/* Botões do hero */
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

/* Card de oferta no hero */
.course-price-card {
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: none;
}

@media (min-width: 1024px) {
  .course-price-card { display: block; }
}

.price-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  text-align: center;
  color: #86efac;
  background: rgba(134,239,172,.12);
  border: 1px solid rgba(134,239,172,.25);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-5);
}

.price-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.price-benefits li {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.8);
}

/* ── BREADCRUMB ───────────────────────────────────────────── */
.course-breadcrumb {
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-gray-200);
  background: var(--color-gray-100);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  flex-wrap: wrap;
}

.breadcrumb-list a {
  color: var(--color-blue);
  font-weight: 500;
  transition: color var(--transition);
}

.breadcrumb-list a:hover { color: var(--color-blue-dark); }

.breadcrumb-sep { color: var(--color-gray-200); }

/* ── STICKY NAV ───────────────────────────────────────────── */
.course-sticky-nav {
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1.5px solid var(--color-gray-200);
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

.course-sticky-nav-inner {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.course-sticky-nav-inner::-webkit-scrollbar { display: none; }

.course-nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-500);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  text-decoration: none;
}

.course-nav-link:hover,
.course-nav-link.active {
  color: var(--color-blue);
  border-bottom-color: var(--color-blue);
}

/* ── SOBRE ────────────────────────────────────────────────── */
.course-about-card {
  background: var(--color-gray-100);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

@media (min-width: 768px) {
  .course-about-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: start;
  }
}

.course-about-title {
  font-size: var(--text-xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.course-about-desc {
  color: var(--color-gray-700);
  line-height: 1.75;
}

.course-about-desc + .course-about-desc { margin-top: var(--space-4); }

.course-versions {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

@media (min-width: 480px) {
  .course-versions { grid-template-columns: repeat(3, 1fr); }
}

.course-version-item {
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  text-align: center;
}

.course-version-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-blue);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.course-version-label {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

/* Variante de 3 colunas para o grid do "Sobre" */
@media (min-width: 768px) {
  .course-about-inner.cols-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ── MÉTRICAS ─────────────────────────────────────────────── */
.course-metrics {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-8);
  position: relative;
  overflow: hidden;
}

.course-metrics::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.course-metrics-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-8);
  text-align: center;
}

@media (min-width: 640px)  { .course-metrics-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .course-metrics-grid { grid-template-columns: repeat(4, 1fr); } }

.course-metric-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: #93c5fd;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.course-metric-label {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.65);
}

/* ── BENEFÍCIOS ───────────────────────────────────────────── */
.course-benefits-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px)  { .course-benefits-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .course-benefits-grid { grid-template-columns: repeat(3, 1fr); } }

.course-benefit-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  font-weight: 600;
  color: var(--color-gray-900);
  transition: box-shadow var(--transition);
}

.course-benefit-item:hover { box-shadow: var(--shadow-md); }

.course-benefit-item:has(> h3),
.course-benefit-item:has(> h4) {
  flex-direction: column;
  align-items: flex-start;
}

.course-benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: var(--color-blue-light);
  color: var(--color-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.course-benefit-item h3,
.course-benefit-item h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.course-benefit-item p {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  line-height: 1.6;
  font-weight: 400;
}

/* ── CONTEÚDO PROGRAMÁTICO ────────────────────────────────── */
.course-modules {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.course-module {
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.course-module-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: var(--color-white);
  cursor: pointer;
  user-select: none;
  transition: background-color var(--transition);
}

.course-module-header:hover { background: var(--color-gray-100); }

.course-module-num {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-blue-light);
  color: var(--color-blue);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.course-module-info { flex: 1; }

.course-module-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-gray-900);
}

.course-module-meta {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-top: 2px;
}

.course-module-chevron {
  color: var(--color-gray-400);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.course-module.open .course-module-chevron {
  transform: rotate(180deg);
}

.course-module-body {
  display: none;
  padding: var(--space-5) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-gray-200);
  background: var(--color-gray-100);
}

.course-module.open .course-module-body { display: block; }

.course-module-topics {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-module-topic {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  line-height: 1.5;
}

.course-module-topic svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-blue);
}

/* ── CERTIFICAÇÃO ─────────────────────────────────────────── */
.course-cert-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .course-cert-grid { grid-template-columns: repeat(2, 1fr); }
}

.course-cert-card {
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  transition: box-shadow var(--transition);
}

.course-cert-card:hover { box-shadow: var(--shadow-md); }

.course-cert-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--color-blue-light);
  color: var(--color-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.course-cert-text h3,
.course-cert-text h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.course-cert-text p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* ── INSTRUTOR ────────────────────────────────────────────── */
.course-instructor-inner {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 768px) {
  .course-instructor-inner { grid-template-columns: auto 1fr; }
}

.course-instructor-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--color-blue-light);
  flex-shrink: 0;
  margin: 0 auto;
}

.course-instructor-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.course-instructor-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-blue);
  background: var(--color-blue-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.course-instructor-name {
  font-size: var(--text-xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.course-instructor-role {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-5);
}

.course-instructor-bio {
  color: var(--color-gray-700);
  line-height: 1.75;
}

.course-instructor-bio + .course-instructor-bio { margin-top: var(--space-4); }

/* ── FAQ ──────────────────────────────────────────────────── */
.course-faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 780px;
  margin-inline: auto;
}

.faq-item {
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-white);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-gray-900);
  cursor: pointer;
  user-select: none;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: background-color var(--transition);
}

.faq-question:hover { background: var(--color-gray-100); }

.faq-chevron {
  color: var(--color-gray-400);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-chevron { transform: rotate(180deg); }

.faq-answer {
  display: none;
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  line-height: 1.75;
  border-top: 1px solid var(--color-gray-200);
}

.faq-item.open .faq-answer { display: block; }

/* ── CTA INTERMEDIÁRIO ────────────────────────────────────── */
.course-mid-cta {
  margin-top: var(--space-12);
  padding: var(--space-8) var(--space-6);
  background: var(--color-gray-100);
  border-radius: var(--radius-xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}

.course-mid-cta-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-gray-900);
}

/* ── CTA FINAL ────────────────────────────────────────────── */
.course-cta-section {
  padding-block: var(--space-16);
}

.course-cta-inner {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 55%, #1e40af 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  position: relative;
  overflow: hidden;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.course-cta-blob {
  position: absolute;
  left: -80px;
  bottom: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(147,197,253,.2);
  filter: blur(70px);
  pointer-events: none;
}

.course-cta-blob-2 {
  position: absolute;
  right: -60px;
  top: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(224,92,42,.15);
  filter: blur(70px);
  pointer-events: none;
}

.course-cta-content { position: relative; z-index: 1; }

.course-cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.course-cta-desc {
  color: rgba(255,255,255,.72);
  max-width: 520px;
  margin-inline: auto;
}

.course-cta-price-area {
  position: relative;
  z-index: 1;
}

.course-cta-price-old {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.45);
  text-decoration: line-through;
  margin-bottom: var(--space-1);
}

.course-cta-price-current {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}

.course-cta-price-installment {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.55);
  margin-top: var(--space-1);
}

.course-cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  position: relative;
  z-index: 1;
}

@media (min-width: 480px) {
  .course-cta-actions { flex-direction: row; justify-content: center; }
}

.course-cta-guarantee {
  position: relative;
  z-index: 1;
  font-size: var(--text-xs);
  color: rgba(255,255,255,.45);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.course-cta-guarantee-list {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.course-cta-guarantee-list p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.6);
}