/* ======================================================
   VISUAL UPGRADE — capa de mejoras visuales
   Se carga después de modern-layout.css y reutiliza sus
   variables, por lo que funciona en modo claro y oscuro.
   ====================================================== */

/* ---------- Fondo del hero con gradiente sutil ---------- */
#top.wrapper.style1 {
  background:
    radial-gradient(ellipse 80% 60% at 15% 0%, rgba(37, 99, 235, 0.12), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 90%, rgba(96, 165, 250, 0.10), transparent 60%),
    var(--bg-primary) !important;
  position: relative;
  overflow: hidden;
}

.dark-mode #top.wrapper.style1 {
  background:
    radial-gradient(ellipse 80% 60% at 15% 0%, rgba(96, 165, 250, 0.15), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 90%, rgba(37, 99, 235, 0.12), transparent 60%),
    var(--bg-primary) !important;
}

/* ---------- Nombre con gradiente animado ---------- */
#top h1 {
  font-weight: 800 !important;
  letter-spacing: -0.03em;
}

#top h1 strong {
  background: linear-gradient(90deg, var(--accent-color), #7C3AED, var(--accent-color));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-slide 6s linear infinite;
}

@keyframes gradient-slide {
  to { background-position: 200% center; }
}

/* ---------- Subtítulo del hero como badge ---------- */
#top .subtitle {
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(37, 99, 235, 0.35);
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent-color) !important;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ---------- Foto de perfil con anillo de gradiente ---------- */
#top .modern-image {
  border-radius: 50% !important;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  padding: 5px;
  background: linear-gradient(135deg, var(--accent-color), #7C3AED) border-box;
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.35);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

#top .modern-image:hover {
  transform: scale(1.03) rotate(1.5deg);
  box-shadow: 0 15px 50px rgba(37, 99, 235, 0.5);
}

/* ---------- Títulos de sección con subrayado de acento ---------- */
.wrapper h2.display-5 {
  position: relative;
  display: inline-block;
  padding-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.wrapper h2.display-5::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 64px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent-color), #7C3AED);
}

/* ---------- Botones de acción con gradiente y brillo ---------- */
.action-buttons .modern-button,
.modern-button.cv-download-btn {
  background: linear-gradient(135deg, var(--accent-color), #4F46E5) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 999px !important;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
  position: relative;
  overflow: hidden;
}

.action-buttons .modern-button::before,
.modern-button.cv-download-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}

.action-buttons .modern-button:hover::before,
.modern-button.cv-download-btn:hover::before {
  left: 130%;
}

.action-buttons .modern-button:hover,
.modern-button.cv-download-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.45);
}

/* ---------- Cards con borde luminoso al hover ---------- */
.skill-category,
.project-card,
.experience-content,
.education-content,
.contact-card,
.cv-download-card,
.achievement-card,
.metric-card {
  border: 1px solid var(--border-color);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.skill-category:hover,
.project-card:hover,
.experience-content:hover,
.education-content:hover,
.contact-card:hover,
.cv-download-card:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15), var(--shadow-medium);
}

/* ---------- Barras de skill con gradiente y brillo ---------- */
.skill-progress {
  background: linear-gradient(90deg, var(--accent-color), #7C3AED) !important;
  border-radius: 999px;
  position: relative;
  overflow: hidden;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.skill-progress::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  animation: shimmer 2.2s infinite;
}

@keyframes shimmer {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

/* ---------- Etiquetas de tecnología como pills de gradiente ---------- */
.tech-tag,
.subject-tag {
  background: rgba(37, 99, 235, 0.12) !important;
  color: var(--accent-color) !important;
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: 999px !important;
  font-weight: 600;
  transition: all 0.25s ease;
}

.tech-tag:hover,
.subject-tag:hover {
  background: var(--accent-color) !important;
  color: #fff !important;
  transform: translateY(-2px);
}

/* ---------- Overlay de proyectos más elegante ---------- */
.project-card {
  overflow: hidden;
}

.project-card .project-image img {
  transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.06);
}

.project-overlay {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.2), rgba(15, 23, 42, 0.85)) !important;
  backdrop-filter: blur(2px);
}

/* Proyecto destacado con borde de gradiente */
.project-card.featured {
  border: 2px solid transparent;
  background:
    linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
    linear-gradient(135deg, var(--accent-color), #7C3AED) border-box;
}

/* ---------- Timeline de experiencia con línea de acento ---------- */
.experience-content {
  border-left: 4px solid var(--accent-color) !important;
}

/* ---------- Redes sociales con colores de marca al hover ---------- */
.social-link {
  transition: all 0.3s ease;
}

.social-link:hover {
  transform: translateY(-4px) scale(1.04);
}

.social-link.linkedin:hover {
  background: #0A66C2 !important;
  color: #fff !important;
  border-color: #0A66C2 !important;
}

.social-link.github:hover {
  background: #24292F !important;
  color: #fff !important;
  border-color: #24292F !important;
}

.social-link.email:hover {
  background: #EA4335 !important;
  color: #fff !important;
  border-color: #EA4335 !important;
}

/* ---------- Animaciones de entrada más pulidas ---------- */
.scroll-animate {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.scroll-animate.animate {
  opacity: 1;
  transform: translateY(0);
}

/* ======================================================
   DISEÑO GLOBAL — tipografía, nav, detalles
   ====================================================== */

/* Tipografía fluida: escala sola entre móvil y desktop */
#top h1 {
  font-size: clamp(1.6rem, 4.5vw, 3.2rem) !important;
  line-height: 1.15 !important;
}

.wrapper h2.display-5 {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem) !important;
}

.wrapper .lead {
  font-size: clamp(0.95rem, 1.6vw, 1.15rem) !important;
}

/* Selección de texto y scrollbar con color de marca */
::selection {
  background: var(--accent-color);
  color: #fff;
}

html {
  scroll-behavior: smooth;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-color), #7C3AED);
  border-radius: 999px;
}

/* ---------- Nav de escritorio con efecto vidrio ---------- */
@media screen and (min-width: 737px) {
  #nav {
    background: var(--bg-overlay) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
  }

  #nav ul li a {
    position: relative;
    border-radius: 999px;
    padding: 0.45rem 1rem !important;
    font-weight: 600;
    transition: color 0.25s ease, background 0.25s ease;
  }

  #nav ul li a:hover,
  #nav ul li a:focus {
    color: var(--accent-color) !important;
    background: rgba(37, 99, 235, 0.1);
  }
}

/* ---------- Iconos de skill en mosaico suave ---------- */
.skill-icon {
  padding: 6px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

.skill-item:hover .skill-icon {
  transform: scale(1.12) rotate(-3deg);
}

/* Encabezados de categoría de skills */
.skill-category-header i {
  background: linear-gradient(135deg, var(--accent-color), #7C3AED);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.6rem;
}

/* ---------- Experiencia: fechas como badge ---------- */
.experience-dates {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-color) !important;
  font-weight: 600;
  font-size: 0.8rem;
}

.experience-duration {
  color: var(--text-muted);
  font-size: 0.78rem;
}

/* ---------- Educación: logo con gradiente ---------- */
.education-logo i {
  background: linear-gradient(135deg, var(--accent-color), #7C3AED);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Contacto: iconos destacados ---------- */
.contact-header i,
.cv-download-header i {
  font-size: 1.8rem;
  background: linear-gradient(135deg, var(--accent-color), #7C3AED);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.contact-link {
  color: var(--accent-color) !important;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s ease;
}

.contact-link:hover {
  border-bottom-color: var(--accent-color);
}

/* Sección de contacto con fondo diferenciado */
#contact.wrapper.style4 {
  background:
    radial-gradient(ellipse 70% 60% at 50% 100%, rgba(37, 99, 235, 0.1), transparent 65%),
    var(--bg-primary) !important;
}

/* ---------- Animaciones escalonadas según data-delay ---------- */
.scroll-animate[data-delay="100"] { transition-delay: 0.1s; }
.scroll-animate[data-delay="150"] { transition-delay: 0.15s; }
.scroll-animate[data-delay="200"] { transition-delay: 0.2s; }
.scroll-animate[data-delay="300"] { transition-delay: 0.25s; }
.scroll-animate[data-delay="400"] { transition-delay: 0.3s; }
.scroll-animate[data-delay="500"] { transition-delay: 0.35s; }
.scroll-animate[data-delay="600"] { transition-delay: 0.4s; }
.scroll-animate[data-delay="700"],
.scroll-animate[data-delay="800"],
.scroll-animate[data-delay="900"],
.scroll-animate[data-delay="1000"] { transition-delay: 0.45s; }

/* ---------- Flecha "volver arriba" ---------- */
.infe .icoFlecha {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-color), #4F46E5);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
  padding: 8px;
  transition: transform 0.3s ease;
}

.infe .icoFlecha:hover {
  transform: translateY(-4px);
}

.infe .icoFlecha img {
  filter: brightness(0) invert(1);
}

/* ======================================================
   RESPONSIVE
   ====================================================== */

/* Tablets */
@media screen and (min-width: 737px) and (max-width: 1024px) {
  #top h1 {
    font-size: 2.2rem !important;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1.5rem;
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1.5rem;
  }
}

/* Móviles */
@media screen and (max-width: 736px) {
  #top .subtitle {
    font-size: 0.75rem;
    padding: 0.3rem 0.7rem;
  }

  #top .modern-image {
    box-shadow: 0 6px 24px rgba(37, 99, 235, 0.3);
  }

  .wrapper h2.display-5::after {
    width: 48px;
    height: 3px;
  }

  .project-card:hover,
  .skill-category:hover {
    transform: none;
  }
}

/* Respeta la preferencia de menos movimiento */
@media (prefers-reduced-motion: reduce) {
  #top h1 strong {
    animation: none;
  }

  .skill-progress::after {
    animation: none;
  }

  .scroll-animate {
    opacity: 1;
    transform: none;
    transition: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}