:root {
  --bg-dark: #0d0d1f;
  --bg-gradient: linear-gradient(135deg, #0d0d1f, #000e2e);
  --text-color: #e0e0e0;
  --primary-color: #00bfff;
  --highlight-color: #1ecbe1;
  --shadow-color: rgba(0, 191, 255, 0.5);
}

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

h1 {
  font-family: "Tektur";
  color: var(--primary-color);
  font-optical-sizing: auto;
  font-style: normal;
  font-weight: 700;
  font-size: 50px;
  text-align: left;
}

h2 {
  font-family: "Tektur";
  color: var(--primary-color);
  font-optical-sizing: auto;
  font-style: normal;
  font-weight: 600;
  font-size: 40px;
  text-align: center;
}

h3,
h4 {
  font-family: "Tektur";
  color: var(--primary-color);
  font-optical-sizing: auto;
  font-style: normal;
  font-weight: 500;
  font-size: 30px;
  text-align: left;
}

p {
  font-family: "Open Sans", sans-serif;
  color: var(--text-color);
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: var(--primary-color);
  font-size: 15px;
  font-family: "Raleway", sans-serif;
  text-align: center;
  padding: 10px;
}

body {
  background: var(--bg-gradient);
  color: var(--text-color);
  overflow-x: hidden;
  padding-top: 70px;
  max-width: 1200px;
  margin: 0 auto;
}

/* ***************************************************************************************************************** */
/* HEADER */

header {
  /*background: radial-gradient(circle at center, #001529, #000);*/
  background: var(--bg-dark);
  padding: 10px 10px;
  text-align: center;
  position: fixed;
  position: rea;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  /* box-shadow: 0 2px 5px rgba(0,0,0,0.2); */
}

header.scrolled {
  background: #0f172a;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* ***************************************************************************************************************** */
/* NAV */

nav {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  justify-content: left;
  font-weight: bold;
  color: var(--primary-color);
  font-family: "Tektur", sans-serif;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  flex-wrap: nowrap;
  justify-content: center;
  text-align: center;
}

.nav-links a {
  font-size: 1.5rem; /* ajusta tamaño */
  color: var(--primary-color);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.nav-links a:hover {
  color: #60a5fa;
  text-shadow: 0 0 15px #523abb;
}



@media (max-width: 768px) {
  header {
    padding: 10px 20px;
  }

  .body {
    width: 75%; /* Ajusta el padding superior para evitar que el contenido se superponga al header */
  }

  nav {
    display: flex;
    justify-content: space-between; /* Logo a la izquierda, toggle a la derecha */
    align-items: center;
    padding: 0 1rem;
  }

}

/* ***************************************************************************************************************** */
/* SECTION */

section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: auto;
  position: relative;
  z-index: 1;
}

/* ***************************************************************************************************************** */
/* PROYECTOS */

.projects-sect {
  padding-top: 20px;
}

.projects {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 2rem;
  margin-top: 2rem;
  max-width: 900px;
  max-height: fit-content;
  margin-inline: auto;
  align-items: stretch;
  justify-items: center;
}

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: #111829;
  border-radius: 16px;
  overflow: hidden;
  padding: 1.5rem;
  box-shadow: 0 0 100px rgba(30, 203, 225, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-height: 600px; /* o ajusta según diseño */
  height: 100%;

}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 20px var(--primary-color);
}


.project-card .info {
  border-top: 1px solid #333;
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.project-card h3 {
  font-size: 1.4rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.project-card h4 {
  font-size: 1.1rem;
  color: #ccc;
  margin-bottom: 1rem;
}

.project-card p {
  color: #bbb;
  font-size: 0.95rem;
  line-height: 1.6;

}

.project-card a {
  width: 90px;
  align-self: center;

}

.tech-icons {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  justify-content: center;
}

.tech-icons i,
.tech-icons img {
  font-size: 1.5rem;
  padding-left: 10px;
  margin: 0;
  height: 24px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.tech-icons i:hover,
.tech-icons img:hover {
  transform: scale(1.2);
  filter: brightness(1.5);
}

.btn-visitar {
  display: inline-block;
  margin-top: 2rem;
  background-color:#1d1f56;
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 15px;
  transition: transform 0.3s ease;
  text-align: center;
}

.btn-visitar:hover {
  background-color: var(--primary-color);
  color: rgb(255, 255, 255);
  transform: scale(1.05);
}


@media (max-width: 768px) {
  .projects {
    grid-template-columns: 1fr;
  }

  .project-card{
    height: 100%;
    box-shadow: 0 0 10px var(--primary-color);
  }
}

@keyframes glow {
  from {
    filter: brightness(1.4) drop-shadow(0 0 6px var(--highlight-color));
  }
  to {
    filter: brightness(2.2) drop-shadow(0 0 12px var(--highlight-color));
  }
}

@keyframes glow {
  from {
    filter: brightness(1.4) drop-shadow(0 0 6px var(--highlight-color));
  }
  to {
    filter: brightness(2.2) drop-shadow(0 0 12px var(--highlight-color));
  }
}

.slider {
  position: relative;
  width: 70%;
  max-width: 600px;      
  aspect-ratio: 20 / 9;  
  overflow: hidden;
  border-radius: 10px;
  align-self: center;
  margin-bottom: 20px;
  height: auto;          
}

.slider img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 10px;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.slider img.active {
  opacity: 1;
  z-index: 1;
}

@media (max-width: 468px) {
  .slider {
    width: 100%;
    max-width: 350px;    
    aspect-ratio: 16 / 9;
    height: auto;       
  }
}

/* FOOTER */
footer {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  background: #020212;
  text-align: center;
  padding: 3rem 1rem;
  font-size: 0.9rem;
  color: #888;
}