/* ========================================
   SEÇÃO: COURSE
   Arquivo: course.css
======================================== */

.section-course {
  padding: var(--spacing-4xl) var(--spacing-xl);
  background: var(--color-bg-white);
  position: relative;
}

/* Container Principal */
.section-course__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Header */
.section-course__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

/* Título */
.section-course__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-h2);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: 0;
}

/* Grid de Cards */
.section-course__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

/* Card Individual */
.section-course__card {
  position: relative;
  height: 400px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-speed);
  opacity: 0;
  transform: translateY(60px);
  cursor: pointer;
}

.section-course__card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delays para efeito de sequência */
.section-course__card:nth-child(1) { 
  transition: opacity 0.8s ease-out 0s, transform 0.8s ease-out 0s; 
}
.section-course__card:nth-child(2) { 
  transition: opacity 0.8s ease-out 0.1s, transform 0.8s ease-out 0.1s; 
}
.section-course__card:nth-child(3) { 
  transition: opacity 0.8s ease-out 0.2s, transform 0.8s ease-out 0.2s; 
}
.section-course__card:nth-child(4) { 
  transition: opacity 0.8s ease-out 0.3s, transform 0.8s ease-out 0.3s; 
}
.section-course__card:nth-child(5) { 
  transition: opacity 0.8s ease-out 0.4s, transform 0.8s ease-out 0.4s; 
}
.section-course__card:nth-child(6) { 
  transition: opacity 0.8s ease-out 0.5s, transform 0.8s ease-out 0.5s; 
}

.section-course__card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

/* Background Image */
.section-course__card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 0.5s ease-out;
}

.section-course__card:hover .section-course__card-bg {
  transform: scale(1.1);
}

/* Overlay */
.section-course__card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 7, 17, 0.3) 0%,
    rgba(0, 7, 17, 0.7) 50%,
    rgba(0, 7, 17, 0.9) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-xl);
  transition: background 0.3s ease;
}

.section-course__card:hover .section-course__card-overlay {
  background: linear-gradient(
    to bottom,
    rgba(0, 7, 17, 0.2) 0%,
    rgba(0, 7, 17, 0.6) 50%,
    rgba(0, 7, 17, 0.85) 100%
  );
}

/* Número do Módulo */
.section-course__card-number {
  font-size: var(--font-size-small);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

/* Título do Card */
.section-course__card-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-h4);
  font-weight: 700;
  color: var(--color-bg-white);
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

/* Descrição do Card */
.section-course__card-description {
  font-size: var(--font-size-body);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
  margin: 0;
}

/* CTA */
.section-course__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-secondary);
  font-size: var(--font-size-body-lg);
  font-weight: 700;
  padding: var(--spacing-md) var(--spacing-2xl);
  border-radius: var(--border-radius);
  text-align: center;
  text-decoration: none;
  transition: all var(--transition-speed);
  box-shadow: 0 4px 20px rgba(255, 191, 0, 0.3);
  cursor: pointer;
  border: 2px solid var(--color-primary);
  margin: 0 auto;
  display: flex;
  width: fit-content;
}

.section-course__cta:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(255, 191, 0, 0.5);
}

.section-course__cta:active {
  transform: translateY(0) scale(0.98);
}

/* Responsividade - Tablet */
@media (max-width: 1024px) {
  .section-course {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }

  .section-course__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .section-course__card {
    height: 350px;
  }

  .section-course__title {
    font-size: 2rem;
  }
}

/* Responsividade - Mobile */
@media (max-width: 768px) {
  .section-course {
    padding: var(--spacing-3xl) var(--spacing-md);
  }

  .section-course__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .section-course__card {
    height: 320px;
  }

  .section-course__card-overlay {
    padding: var(--spacing-lg);
  }

  .section-course__title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
  }

  .section-course__card-title {
    font-size: 1.25rem;
  }

  .section-course__card-description {
    font-size: var(--font-size-small);
  }

  .section-course__cta {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-body);
  }
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
  .section-course__card {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .section-course__card:hover {
    transform: none;
  }

  .section-course__card-bg {
    transition: none;
  }

  .section-course__card:hover .section-course__card-bg {
    transform: none;
  }
}