/* ============================================================
   ESTILOS GLOBALES - Juan Carlos Parra Díaz - Sitio Personal
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700;800&display=swap');

/* Variables de color */
:root {
  --color-bg: #0f172a;
  --color-bg-card: #1e293b;
  --color-bg-card2: #243450;
  --color-accent: #38bdf8;
  --color-accent2: #818cf8;
  --color-accent3: #34d399;
  --color-text: #e2e8f0;
  --color-muted: #94a3b8;
  --color-border: #334155;
  --color-nav: rgba(15, 23, 42, 0.92);
  --radius: 14px;
  --shadow: 0 4px 32px rgba(56, 189, 248, 0.08);
  --transition: 0.25s cubic-bezier(.4, 0, .2, 1);
}

/* Reset y base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent2);
}

img {
  max-width: 100%;
  display: block;
}

/* ============================================================
   NAVEGACIÓN
   ============================================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-nav);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-links a:hover,
.nav-links a.activo {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ============================================================
   HERO / LANDING
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  left: -120px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(129, 140, 248, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 700px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.15), rgba(129, 140, 248, 0.15));
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.35rem 1.1rem;
  font-size: 0.78rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -1.5px;
}

.hero h1 .highlight {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p.subtitulo {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.btn-grupo {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  color: #0f172a;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.35);
  color: #0f172a;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* Stats del hero */
.hero-stats {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}

/* ============================================================
   SECCIONES GENERALES
   ============================================================ */
.seccion {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.seccion-titulo {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 0.5rem;
}

.seccion-titulo .highlight {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.seccion-subtitulo {
  color: var(--color-muted);
  font-size: 1rem;
  margin-bottom: 3rem;
}

.linea-divider {
  height: 3px;
  width: 60px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  border-radius: 999px;
  margin: 0.75rem 0 2rem;
}

/* ============================================================
   TARJETAS DE EXPERIENCIA (Landing)
   ============================================================ */
.exp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.exp-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: border-color var(--transition), transform var(--transition);
}

.exp-card:hover {
  border-color: var(--color-accent);
  transform: translateX(4px);
}

.exp-icono {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(129, 140, 248, 0.2));
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.exp-info h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.exp-empresa {
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.15rem;
}

.exp-fecha {
  color: var(--color-muted);
  font-size: 0.78rem;
}

/* ============================================================
   EDUCACIÓN (Landing)
   ============================================================ */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.edu-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.edu-card:hover {
  border-color: var(--color-accent2);
  transform: translateY(-4px);
}

.edu-icono {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.edu-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.edu-inst {
  color: var(--color-accent2);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.15rem;
}

.edu-year {
  color: var(--color-muted);
  font-size: 0.78rem;
}

/* ============================================================
   GALERÍA DE HABILIDADES Y CERTIFICADOS
   ============================================================ */
.page-hero {
  padding: 8rem 2rem 3rem;
  text-align: center;
}

/* Skills */
.skills-seccion {
  padding: 0 2rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.skill-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.skill-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(56, 189, 248, 0.15);
}

.skill-icono {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.skill-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.skill-card p {
  font-size: 0.82rem;
  color: var(--color-muted);
}

/* Barra de nivel */
.skill-bar-wrap {
  background: var(--color-border);
  border-radius: 999px;
  height: 6px;
  margin-top: 0.75rem;
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
}

/* Certificados */
.certs-seccion {
  padding: 0 2rem 5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.cert-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
}

.cert-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.cert-badge {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(129, 140, 248, 0.2));
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.cert-card h3 {
  font-size: 1rem;
  font-weight: 600;
}

.cert-card p {
  font-size: 0.83rem;
  color: var(--color-muted);
}

.cert-emisor {
  font-size: 0.8rem;
  color: var(--color-accent3);
  font-weight: 500;
}

/* ============================================================
   FORMULARIO DE CONTACTO
   ============================================================ */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}

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

.contacto-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  transition: border-color var(--transition);
}

.info-item:hover {
  border-color: var(--color-accent);
}

.info-icono {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(129, 140, 248, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.info-texto h4 {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.1rem;
}

.info-texto p,
.info-texto a {
  font-size: 0.9rem;
  color: var(--color-text);
}

/* Formulario */
.form-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.25rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 500px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.form-grupo {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-grupo.full {
  grid-column: 1 / -1;
}

.form-grupo label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-grupo input,
.form-grupo select,
.form-grupo textarea {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  padding: 0.7rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

.form-grupo input:focus,
.form-grupo select:focus,
.form-grupo textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
}

.form-grupo select option {
  background: var(--color-bg-card);
}

.form-grupo textarea {
  resize: vertical;
  min-height: 130px;
}

.form-error {
  font-size: 0.78rem;
  color: #f87171;
  display: none;
}

.form-grupo.error input,
.form-grupo.error textarea,
.form-grupo.error select {
  border-color: #f87171;
}

.form-grupo.error .form-error {
  display: block;
}

.form-submit {
  margin-top: 1.5rem;
  text-align: right;
}

.btn-submit {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  color: #0f172a;
  border: none;
  border-radius: 999px;
  padding: 0.8rem 2.25rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.3);
}

.mensaje-exito {
  display: none;
  text-align: center;
  padding: 2rem;
}

.mensaje-exito .check {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.mensaje-exito h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.mensaje-exito p {
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.85rem;
}

footer a {
  color: var(--color-accent);
}

/* ============================================================
   TAGS y BADGES
   ============================================================ */
.tag {
  display: inline-block;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--color-accent);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.tag-verde {
  background: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.25);
  color: var(--color-accent3);
}

.tag-morado {
  background: rgba(129, 140, 248, 0.1);
  border-color: rgba(129, 140, 248, 0.25);
  color: var(--color-accent2);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  nav {
    padding: 0 1rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .nav-links a {
    font-size: 0.82rem;
  }

  .seccion {
    padding: 3rem 1.25rem;
  }

  .hero {
    padding: 6rem 1.25rem 3rem;
  }

  .page-hero {
    padding: 6rem 1.25rem 2rem;
  }

  .skills-seccion,
  .certs-seccion {
    padding: 0 1.25rem 3rem;
  }

  .hero-stats {
    gap: 1.25rem;
  }
  .deshabilitado {
    pointer-events: none; /* Evita que el mouse interactúe con el link */
    opacity: 0.5;        /* Lo hace ver "apagado" visualmente */
    cursor: not-allowed;  /* Muestra el ícono de "prohibido" al pasar el mouse */
    text-decoration: none;
}

}