/* ===== RESET BÁSICO ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #2c2c2c;
  background-color: #f9f9fb;
}

/* ===== VARIABLES DE COLOR ===== */
:root {
  --primary: #2f6f9f;      /* azul educativo */
  --secondary: #6c9ecf;    /* azul claro */
  --accent: #f2a541;       /* acento cálido */
  --light: #ffffff;
  --gray: #e6e6ea;
}

/* ===== NAV ===== */
header {
  background-color: var(--light);
  border-bottom: 1px solid var(--gray);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav {
  max-width: 1100px;
  margin: auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.3rem;
  color: var(--primary);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  text-decoration: none;
  color: #444;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--primary);
}

/* ===== SECCIONES ===== */
.section {
  max-width: 1100px;
  margin: auto;
  padding: 4rem 2rem;
}

.section h2 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 2rem;
}

/* ===== INICIO ===== */
.inicio {
  text-align: center;
  padding-top: 5rem;
}

.subtitle {
  font-size: 1.1rem;
  color: #555;
  margin-bottom: 1.5rem;
}

.intro {
  max-width: 700px;
  margin: auto;
  margin-bottom: 2rem;
}

/* ===== BOTONES ===== */
.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border-radius: 25px;
  background-color: var(--primary);
  color: white;
  text-decoration: none;
  margin: 0 0.5rem;
  font-size: 0.9rem;
}

.btn.secondary {
  background-color: var(--secondary);
}

.btn:hover {
  opacity: 0.9;
}

/* ===== CARDS ===== */
.card {
  background-color: var(--light);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

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

.contexto {
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 0.7rem;
}

.tech {
  font-size: 0.85rem;
  color: var(--accent);
  margin-top: 0.8rem;
}

/* ===== FORMACION ===== */
#formacion ul {
  list-style: square;
  margin-left: 1.5rem;
}

#formacion li {
  margin-bottom: 0.5rem;
}

/* ===== CONTACTO ===== */
.contacto .contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

/* ===== FOOTER ===== */
footer {
  background-color: var(--primary);
  color: white;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

.formacion-lista {
  list-style: square;
  margin-left: 1.5rem;
}

.formacion-lista li {
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.flag {
  width: 22px;
  height: auto;
  border-radius: 3px;
}

/*.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}*/

.badge-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.badge-card {
  background-color: var(--light);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
  text-decoration: none;
  color: #333;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  transition: transform 0.2s ease;
  max-width: 300px;
  width: 100%;
}

.badge-card img {
  width: 100%;
  height: auto;
  margin-bottom: 0.6rem;
  display: block;
}


.badge-card span {
  font-size: 0.85rem;
  font-weight: 500;
}

.badge-card:hover {
  transform: translateY(-4px);
}

.project-links a {
  margin-right: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  color: #1e40af;
  text-decoration: underline;
}

a:visited {
  color: #2563eb;
}