:root {
  --primary: #009efa;
  --dark: #1a1a1a;
  --light: #ffffff;
  --gray: #73ccff;
  
}

*,*::before,*::after{
  box-sizing:border-box;
}
body{
  margin:0;
  font-family:'Inter', sans-serif;
  color:var(--dark);
  line-height:1.6;  
  padding-top: 60px;
}
a{
  text-decoration:none;
  color:inherit;
}
h3 {
  text-align: center;
}
p{
  text-align: justify;
}

#hero{
  text-align: center;
  font-size: 22px;
  font-weight: 600;
}

.btn-primary{
  display:inline-block;
  background: linear-gradient(to right, #009fe3, #004f9f);
  color:var(--light);
  padding:.75rem 1.5rem;
  border-radius:4px;
  font-weight:600;
  text-align: center;

  transition: background 0.5s ease, transform 0.7s ease;
}
.btn-primary:hover{
  background: linear-gradient(to right, #81d9ff, #009fe3);
  transform: scale(1.1);
  border-radius:5px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 80vh;
  background: url('images/hero.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--light);
  
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45); /* opacidad solo sobre imagen */
  z-index: 1; /* detrás del texto */
}

.hero-content {
  position: relative;
  z-index: 2; /* por encima del fondo opaco */
  max-width: 700px;
  padding: 0 1rem;
}

.hero h1{
  font-size:clamp(2.5rem,5vw,4rem);
  margin-bottom:1rem;
}
.hero p{
  font-size:1.125rem;
  margin-bottom:2rem;
}

/* Courses */
section{
  padding:4rem 1rem;
}
.section-title{
  text-align:center;
  font-size:2rem;
  margin-bottom:2rem;
  position:relative;
}
.courses-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:2rem;
  max-width:1200px;
  margin:0 auto;
}
#about-section{
  max-width:600px;
}
.course-card{
  background:var(--light);
  box-shadow:0 2px 8px rgba(0, 0, 0, 0);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease-in;
}
.course-card:hover{
  transform:translateY(-10px);
}
.course-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border: 2px solid rgb(0, 153, 255);
  border-radius: 8px; /* Opcional: para esquinas ligeramente redondeadas */
}
#about-jane {
  display: block;
  margin: 0 auto;
  max-width: 300px; /* Ajusta según tu contenido real */
  aspect-ratio: 2/3;
  object-fit: cover;
  border: 2px solid rgb(0, 153, 255);
  border-radius: 8px;
}
#about-jane2 {
  display: block;
  margin: 0 auto;
  max-width: 450px; /* Ajusta según tu contenido real */
  aspect-ratio: 3/2;
  object-fit: cover;
  border: 2px solid rgb(0, 153, 255);
  border-radius: 8px;
}
.course-content{
  padding:1.25rem;
  flex:1;
  display:flex;
  flex-direction:column;
}
.course-content h3{
  margin-top:0;
  margin-bottom:.5rem;
  font-size:1.25rem;
}
.course-content p{
  flex:1;
  font-size:.95rem;
  margin-bottom:1rem;
}

/* Testimonials */
.testimonial-wrapper {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  text-align: center;
  height: 160px; /* Ajusta según tu contenido real */
}
.testimonial {
  font-style: italic;
  font-size: 1.125rem;
  opacity: 0;
  transform: translateX(20%);
  transition: opacity 0.4s ease, transform 0.4s ease;
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column; /* <-- apila verticalmente */
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  text-align: center;
}

.testimonial.active {
  opacity: 1;
  transform: translateX(0);
  z-index: 1;
}

.testimonial cite{
  display:block;
  margin-top:.75rem;
  font-style:normal;
  font-weight:600;
}

/* Contact */
form{
  max-width:600px;
  margin:0 auto;
  display:grid;
  gap:1rem;
}
input,textarea{
  width:100%;
  padding:.75rem 1rem;
  border:1px solid #ddd;
  border-radius:4px;
  font-family:inherit;
  font-size:1rem;
  resize:vertical;
}

/* Footer */
footer{
  background:var(--dark);
  color:var(--light);
  text-align:center;
  padding:2rem 1rem;
}

@media (max-width: 768px) {
  .logo img {
    height: 20px;
  }

  .testimonial {
    font-size: 1rem; 
    padding: 0 0.5rem; 
  }

  .testimonial-wrapper {
  height: 300px; }

  .menu-overlay{
    height: 80%; 
  }

  .menu-overlay ul {
    flex-direction: column;   
    gap: 50px;                
    align-items: center;      
  }

  .menu-overlay li {
    margin: 10px 0;
  }
}

@media (max-width: 600px) {
  .hamburger {
    width: 22px;
    height: 22px;
  }
  .hamburger span {
    height: 3px;
  }

  .hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    background-color: rgb(79, 79, 79);
  }

  .hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background-color: rgb(79, 79, 79);
  }

  #about-jane {
    max-width: 250px; /* Ajusta según tu contenido real */
  }


}