/* ==============================
   CONFIGURACIÓN GLOBAL
============================== */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.object-fit-cover {
  object-fit: cover;
}

/* ==============================
   LOGO Y BOTONES
============================== */
.logo-icon {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: #0d6efd;
  color: #fff;
  font-size: 18px;
  object-fit: cover;
}

.btn-primary {
  background-color: #0d6efd;
  border-color: #0d6efd;
  padding: 0.5rem 1.5rem;
}

.btn-primary:hover {
  background-color: #0b5ed7;
  border-color: #0a58ca;
}

.btn-outline-primary {
  color: #0d6efd;
  border-color: #0d6efd;
  padding: 0.5rem 1.5rem;
}

.btn-outline-primary:hover {
  background-color: #0d6efd;
  border-color: #0d6efd;
  color: white;
}

.btn-login {
  border: 1px solid #ddd;
  border-radius: 12px;
  background-color: #fff;
  color: #000;
  padding: 8px 20px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  transition: all 0.3s ease;
}

.btn-login:hover {
  background-color: #f5f5f5;
  border-color: #bbb;
}

/* ==============================
   NAVBAR Y LINKS
============================== */
.navbar-brand {
  font-size: 1.8rem;
}

.navbar-nav .nav-link {
  font-weight: 500;
}

.nav-pill {
  padding: 6px 16px;
  border-radius: 20px;
  transition: 0.3s;
}

.nav-pill.active, 
.nav-pill:hover {
  background-color: #e6f0ff;
  color: #0d6efd !important;
  font-weight: 600;
}

.back-link {
  text-decoration: none;
  font-weight: 500;
  color: #0d6efd;
  transition: color 0.3s ease;
}

.back-link:hover {
  color: #084298;
}

/* ==============================
   HERO / SLIDE
============================== */
.hero-slide {
  position: relative;
  height: 500px;
  background-size: cover;
  background-position: center;
  border-radius: 20px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-slide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.45);
  z-index: 1;
}

.hero-overlay {
  position: relative;
  z-index: 2;
  color: #fff;
  padding: 40px;
  max-width: 600px;
  margin-left: 60px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.hero-overlay.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==============================
   CAROUSEL
============================== */
.carousel {
  max-width: 1200px;
  margin: 0 auto;
}

.carousel-control-prev,
.carousel-control-next {
  width: 50px;
  height: 50px;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  opacity: 0.9;
}

.carousel-control-prev {
  left: 15px;
}

.carousel-control-next {
  right: 15px;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  width: 20px;
  height: 20px;
  background-size: 60% 60%;
}

/* ==============================
   SECCIONES Y CARDS
============================== */
.benefits-section {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.benefit-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  background: white;
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1) !important;
}

.benefit-card i {
  color: #0d6efd;
}

.benefit-card .card-title {
  color: #212529;
}

.benefit-card .card-text {
  color: #6c757d;
}

.card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.card.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==============================
   ICONOS
============================== */
.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 15px;
  font-size: 24px;
}

.icon-blue {
  background-color: #e6f0ff;
  color: #3b82f6;
}

.icon-green {
  background-color: #e6f9f0;
  color: #22c55e;
}

.icon-yellow {
  background-color: #fff9e6;
  color: #f59e0b;
}

.icon-purple {
  background-color: #f3e8ff;
  color: #8b5cf6;
}

.icon-red {
  background-color: #ffecec;
  color: #ef4444;
}

.icon-indigo {
  background-color: #eef2ff;
  color: #6366f1;
}

/* ==============================
   LOGIN
============================== */
.main-container {
  min-height: 100vh;
}

.login-box {
  max-width: 480px;
  width: 100%;
  background-color: #fff;
  border-radius: 12px;
}

.demo-info {
  background-color: #f8f9fa;
}

.input-group-text {
  background-color: #f8f9fa;
  border-right: 0;
}

.form-control {
  border-left: 0;
}

.toggle-password {
  cursor: pointer;
}

/* ==============================
   CURSOS
============================== */
.course-header {
  position: relative;
}

.course-video {
  position: relative;
}

.course-video img {
  width: 100%;
  display: block;
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  font-size: 1.5rem;
  padding: 1rem 1.2rem;
}

.course-sidebar button {
  font-size: 1rem;
}

.course-sidebar ul li {
  margin-bottom: 0.5rem;
}

/* ==============================
   LISTAS
============================== */
.list-group-item {
  border: none;
  padding: 12px 15px;
  font-weight: 500;
  color: #333;
}

.list-group-item.active {
  background-color: #0d6efd;
  border-radius: 8px;
  font-weight: bold;
}

.list-group-item:hover {
  background-color: #f1f1f1;
  border-radius: 8px;
  transition: 0.3s;
}

/* ==============================
   FOOTER
============================== */
footer a:hover {
  color: #adb5bd !important;
  transition: color 0.3s ease;
}

/* ==============================
   TEXTOS
============================== */
.text-warning {
  color: #ffc107 !important;
}

/* ==============================
   MEDIA QUERIES
============================== */
@media (max-width: 768px) {
  .login-box {
    max-width: 90%;
    padding: 2rem;
  }

  .carousel-item .row {
    flex-direction: column;
  }

  .carousel-item img {
    height: 300px;
  }

  .carousel-control-prev,
  .carousel-control-next {
    width: 40px;
    height: 40px;
  }

  .hero-slide {
    height: 400px;
  }

  .hero-overlay {
    padding: 20px;
    margin-left: 0;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .login-box {
    max-width: 100%;
    padding: 1.5rem;
  }

  .hero-slide {
    height: 350px;
    border-radius: 12px;
  }

  .hero-overlay {
    padding: 15px;
  }

  .benefit-card {
    margin-bottom: 1rem;
  }
}