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

:root {
  --ifsul-blue: #1a5f3a;
  --ifsul-blue-light: #2d7a52;
  --ifsul-blue-dark: #0f4428;
  --gray-light: #f8f9fa;
  --text-dark: #212529;
  --ifsul-blue: #183655;
  --ifsul-blue-light: #1f4a6d;
  --ifsul-blue-dark: #11213f;
}


#time {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  min-height: calc(100vh - 76px);
  padding: 4rem 0;
}

.btn-wrapper
{
    display: flex;
    justify-content: center;
    align-items: end;
    margin-bottom: 20px;
}
.btn-cta {
    background: white;
    color: var(--ifsul-blue);
    padding: 15px 50px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 2.5rem;
  color: var(--ifsul-blue);
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--ifsul-blue) 0%, var(--ifsul-blue-light) 100%);
  border-radius: 2px;
}


.section-description {
  color: #666;
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 900px;
  margin-bottom: 2rem;
}


hr.my-4 {
  border: none;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--ifsul-blue-light) 50%, transparent 100%);
  margin: 2.5rem 0;
}

.card-front {
  background: white;
  border: 2px solid #e0e0e0;
  transition: all 0.3s ease;
}

.card-container:hover .card-front {
  border-color: var(--ifsul-blue-light);
}

.card-front .event-card {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem;
  border: none;
  box-shadow: none;
}

.event-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ifsul-blue);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.text-justify {
  text-align: justify;
  hyphens: auto;
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
}


.card-back {

  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.download-link {
  background: white;
  color: var(--ifsul-blue);
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.download-link:hover {
  background: var(--gray-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  color: var(--ifsul-blue-dark);
}

.download-link i {
  font-size: 1.5rem;
}

.download-link h5 {
  margin: 0;
  font-size: 1rem;
}


.discipline-info p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #666;
  margin: 0;
  font-size: 0.95rem;
}

.discipline-info i {
  font-size: 1.1rem;
  color: var(--ifsul-blue);
}



.nav-pills {
  background: white;
  padding: 1rem;
  border-radius: 50px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  gap: 0.5rem;
}

.nav-pills .nav-link {
  border-radius: 50px;
  padding: 0.8rem 1.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  color: #666;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.nav-pills .nav-link:hover {
  background: rgba(26, 95, 58, 0.1);
  color: var(--ifsul-blue);
}

.nav-pills .nav-link.active {
  background: linear-gradient(135deg, var(--ifsul-blue) 0%, var(--ifsul-blue-light) 100%) !important;
  color: white !important;
  box-shadow: 0 4px 12px rgba(26, 95, 58, 0.3);
}

.bi.bi-clock-fill.text-primary {
  color: var(--ifsul-blue) !important;
}



a.name {
  text-decoration: none;
}

.btn-secondary {
  background-color: #2c3e50 !important;
}


@media (max-width: 768px) {
  #time {
    padding: 2rem 0;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .section-description {
    font-size: 1rem;
  }

.card-container {
    height: 340px; 
    margin-bottom: 1.5rem;
  }

  .event-title {
    font-size: 1rem;
  }

  .text-justify {
    font-size: 0.85rem;
  }

  .nav-pills {
    flex-direction: column;
    border-radius: 15px;
    gap: 0.3rem;
  }

  .nav-pills .nav-link {
    width: 100%;
    text-align: center;
  }

  iframe[title="Horários TMSI"] {
    height: 500px !important;
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: 1.5rem;
  }

  .card-container {
   height: 400px;
  }
  .card-front .event-card {
    padding: 1rem; 
  }
  .text-justify {
    font-size: 0.85rem; 
    line-height: 1.4;
  }
  
 
  .event-title {
      font-size: 1rem;
      margin-bottom: 0.5rem;
  }

  .download-link {
    padding: 0.8rem 1.5rem;
  }

  .download-link h5 {
    font-size: 0.9rem;
  }
}

.col-md-4:first-child .card-front {
  border-color: var(--ifsul-blue-light);
  background: linear-gradient(135deg, rgba(26, 95, 58, 0.03) 0%, white 100%);
}


.discipline-info strong {
  color: var(--ifsul-blue);
  font-weight: 600;
}


#time .container {
  background: white;
  padding: 3rem;
  border-radius: 20px;

}