/* =========================
   RESET AVANZADO
========================= */
:where(*, *::before, *::after) {
  box-sizing: border-box;
}

:where(html, body) {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:where(img, picture, video, canvas, svg) {
  display: block;
  max-width: 100%;
  height: auto;
}

:where(input, button, textarea, select) {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

:where(a) {
  text-decoration: none;
  color: inherit;
}

:where(ul, ol) {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* =========================
   VARIABLES
========================= */
:root {
  --color-bg: #0a0f1c;
  --color-surface: #111827;
  --color-border: #1f2937;
  --color-text: #ffffff;
  --color-muted: #d1d5db;
  --color-accent: #60a5fa;
  --color-accent-dark: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-footer: #9ca3af;
}

/* =========================
   BASE
========================= */
body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  animation: fadeIn 0.8s ease-in-out;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  letter-spacing: 0.5px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================
   NAVBAR
========================= */
/* NAVBAR base */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-surface);
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

/* Botón hamburguesa */
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Menú de navegación */
.nav-menu ul {
  display: flex;
  gap: 1.5rem;
}

.nav-menu a {
  color: var(--color-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.3s ease;
}

.nav-menu a:hover {
  color: var(--color-accent);
}

/* Responsive: ocultar menú en móvil */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    display: none;
    flex-direction: column;
    padding: 1rem 2rem;
    z-index: 10;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu ul {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Logo con contenedor circular y efecto luminoso */
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--color-accent);
}

.logo-wrapper {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-wrapper:hover {
  transform: scale(1.1);
  box-shadow: 0 0 16px var(--color-accent);
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: transparent;
}

/* Responsive: ocultar iconos fuera del menú */
.social-icons {
  display: none;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

@media (max-width: 768px) {
  .nav-menu.open .social-icons {
    display: flex;
  }
}

/* Animación de resplandor */
@keyframes pulseGlow {
  0%,
  100% {
    box-shadow: 0 0 8px var(--color-accent);
  }
  50% {
    box-shadow: 0 0 16px var(--color-accent);
  }
}

/* Menú de navegación */
.navbar ul {
  display: flex;
  gap: 1.5rem;
}

.navbar a {
  color: var(--color-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.3s ease;
}

.navbar a:hover {
  color: var(--color-accent);
}

/* =========================
   HERO
========================= */
.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(to bottom, var(--color-bg), var(--color-surface));
}

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap");

.hero h1 {
  font-size: 2.5rem;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.05;
}

.hero p {
  font-size: 1.2rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.cta-button {
  background-color: var(--color-accent-dark);
  color: var(--color-text);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background-color 0.3s ease, transform 0.3s ease,
    box-shadow 0.3s ease;
}

.cta-button:hover {
  background-color: var(--color-accent-hover);
  transform: scale(1.05);
  box-shadow: 0 0 10px var(--color-accent);
}

/* =========================
   PROFILE SECTION
========================= */
.profile-section {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 4rem 2rem;
  background-color: var(--color-bg);
}

.profile-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 600px;
  text-align: center;
  background-color: var(--color-surface);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(96, 165, 250, 0.2);
}

.profile-img {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 4px solid var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
  object-fit: cover;
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 16px var(--color-accent);
}

.profile-info h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.profile-info p {
  font-size: 1rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-accent);
  font-weight: 500;
  transition: color 0.3s ease;
}

.github-link:hover {
  color: #3b82f6;
}

/* =========================
   SOCIAL ICONS
========================= */
.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.social-icons a {
  color: var(--color-footer);
  font-size: 1.2rem;
  transition: color 0.3s ease, transform 0.3s ease;
}

.social-icons a:hover {
  color: var(--color-accent);
  transform: scale(1.2);
}

/* =========================
   404 ERROR PAGE
========================= */
.error-message-img {
  max-width: 100px;
  width: 100%;
  height: auto;
  margin-bottom: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 12px var(--color-accent);
}

/* =========================
   ABOUT PAGE PROFILE TABLE
========================= */

.profile-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  color: var(--color-text);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.profile-table td {
  vertical-align: top;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.profile-table td:first-child {
  width: 2rem;
  text-align: center;
  color: var(--color-accent);
  font-size: 1.2rem;
}
.profile-table tr {
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.profile-table tr:hover {
  background-color: var(--color-surface);
  transform: scale(1.01);
}

/* =========================
   FOOTER
========================= */
.footer {
  text-align: center;
  padding: 1rem;
  background-color: var(--color-surface);
  color: var(--color-footer);
  font-size: 0.9rem;
}

.scroll-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background-color: var(--color-surface);
  color: var(--color-accent);
  font-size: 1rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  text-decoration: none;
  transition: all 0.3s ease;
  z-index: 1000;
  opacity: 0.8;
}

.scroll-top:hover {
  background-color: var(--color-accent);
  color: #fff;
  transform: translateY(-3px);
  opacity: 1;
}

/* =========================
    TIMELINE
========================= */
.timeline {
  padding: 2rem;
  background-color: var(--color-bg);
}
.timeline h2 {
  margin-top: 2rem;
  color: var(--color-accent);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timeline-list {
  list-style: none;
  padding-left: 0;
  border-left: 2px solid var(--color-border);
  margin-left: 1rem;
}

.timeline-list li {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.timeline-list li:hover {
  background-color: var(--color-surface);
  transform: scale(1.01);
}

.timeline-list li::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.timeline-date {
  font-weight: bold;
  color: var(--color-muted);
  margin-bottom: 0.25rem;
}

.timeline-content h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--color-text);
}

.timeline-content p {
  margin: 0.25rem 0 0;
  color: var(--color-muted);
}

.skills-bar {
  font-family: monospace;
  margin-top: 0.25rem;
  color: var(--color-accent);
}

.skill-note {
  font-style: italic;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* =========================
    ENCABEZADO DE ÍNDICE DE PROYECTOS
========================= */
.project-index {
  margin: 2rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.project-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.project-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--color-text);
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.3s ease;
  position: relative;
}

.project-nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

.project-nav a:hover {
  color: var(--color-accent);
  transform: translateY(-2px);
}

.project-nav a:hover::after {
  width: 100%;
}

/* =========================
    BLOG
========================= */
.blog-index {
  margin: 2rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.blog-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.blog-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--color-text);
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.3s ease;
  position: relative;
}

.blog-nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

.blog-nav a:hover {
  color: var(--color-accent);
  transform: translateY(-2px);
}

.blog-nav a:hover::after {
  width: 100%;
}

.blog-section {
  margin: 3rem auto;
  padding: 0 1.5rem;
  max-width: 900px;
  animation: fadeInUp 0.6s ease-out;
  border-left: 4px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-background);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.blog-section:not(:last-of-type) {
  margin-bottom: 4rem;
}

.blog-section h2 {
  font-size: 1.3rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 1rem;
}

.blog-empty {
  font-style: italic;
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0.5rem 0 2rem;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================
    CONTACT FORM
========================= */

.contact-form {
  max-width: 600px;
  margin: 3rem auto;
  padding: 1rem 1.5rem;
  background-color: var(--color-surface);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.contact-form label {
  display: block;
  margin-top: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 1rem;
  background-color: var(--color-background);
  color: var(--color-text);
}

.contact-form .cta-button {
  margin-top: 1.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  background-color: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.contact-form .cta-button:hover {
  background-color: var(--color-accent-hover);
}

.form-status {
  margin-top: 1rem;
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.form-note {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--color-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.required {
  color: var(--color-accent);
  font-weight: bold;
}

.form-status {
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
  display: none; /* Oculto por defecto */
}

/* Éxito */
.form-status.success {
  background-color: #e6f9f0;
  color: #1a7f5a;
  border: 1px solid #b2e2cd;
}

/* Error */
.form-status.error {
  background-color: #fff0f0;
  color: #b30000;
  border: 1px solid #f5b5b5;
}

/* =========================
    TRAINING PAGE
========================= */
.training-section {
  max-width: 900px;
  margin: 3rem auto;
  padding: 0 1.5rem;
  animation: fadeInUp 0.6s ease-out;
}

.training-section h2 {
  font-size: 1.4rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.training-list,
.cert-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.training-list li,
.cert-list li {
  margin-bottom: 0.75rem;
  padding-left: 1.25rem;
  position: relative;
  color: var(--color-text);
}

.training-list li::before,
.cert-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

.cert-list a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.3s ease;
}

.cert-list a:hover {
  color: var(--color-accent-hover);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.skill-group {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease;
}

.skill-group:hover {
  transform: translateY(-4px);
}

.skill-group h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
}

.skill-group ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.skill-group li {
  margin-bottom: 0.4rem;
  padding-left: 1rem;
  position: relative;
}

.skill-group li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-muted);
}
.training-section a {
  color: var(--color-accent);
  text-decoration: underline;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.training-section a:hover {
  color: var(--color-accent-hover);
}

.project-index {
  background-color: var(--color-surface);
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.project-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.project-nav a {
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: background-color 0.3s ease;
}

.project-nav a:hover {
  background-color: var(--color-accent-light);
  color: var(--color-text);
}

.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 1rem 0 2rem;
}
.skills-grid.compact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #1a1a1a; /* fondo oscuro elegante */
  color: #ffffff; /* texto blanco puro para máximo contraste */
  font-weight: 600;
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.cta-button:hover {
  background-color: #2563eb; /* rojo profesional en hover */
  color: #fff;
  transform: translateY(-2px);
}

/* =========================
   CV PAGE STYLES
========================= */
.cv-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.cv-content h1,
.cv-content h2 {
  color: var(--color-accent);
  margin-bottom: 1rem;
  transition: color 0.3s ease;
}

.cv-content h2:hover {
  color: var(--color-accent-hover);
}

.cv-content section {
  margin-bottom: 3rem;
}

.cv-content ul {
  list-style: none;
  padding-left: 0;
}

.cv-content ul li {
  margin-bottom: 1.2rem;
  background-color: var(--color-bg);
  padding: 1rem;
  border-left: 4px solid var(--color-accent);
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(255, 255, 255, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease,
    border-left-color 0.3s ease;
  cursor: default;
}

.cv-content ul li:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border-left-color: var(--color-accent-hover);
}

.cv-content strong {
  color: var(--color-accent);
  transition: color 0.3s ease;
}

.cv-content em {
  display: block;
  font-style: italic;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.cv-download {
  text-align: center;
}

.cv-download .cta-button {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-text);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.cv-download .cta-button:hover {
  background-color: var(--color-accent-hover);
  transform: scale(1.05);
}

.cv-download i {
  margin-right: 0.5rem;
}

/* =========================
   BLOG POST STYLES
========================= */
.blog-post {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  animation: fadeIn 0.6s ease-in-out;
}

.post-content h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.post-content h2 {
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--color-accent);
  border-left: 4px solid var(--color-accent);
  padding-left: 0.75rem;
}

.post-content p {
  line-height: 1.7;
  margin-bottom: 1.2rem;
  color: var(--color-text);
}

.post-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.post-content ul li {
  margin-bottom: 0.75rem;
  position: relative;
  color: var(--color-muted);
}

.post-content ul li::before {
  content: "•";
  color: var(--color-accent);
  position: absolute;
  left: -1rem;
}

.post-content code {
  background-color: var(--color-border);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.95rem;
  color: var(--color-accent);
}

pre {
  background-color: #0f172a;
  color: var(--color-muted);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.95rem;
  margin-bottom: 2rem;
  border-left: 4px solid var(--color-accent);
}

.blog-meta {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.post-actions {
  margin-top: 2rem;
  text-align: center;
}

.post-actions .cta-button {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-text);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.post-actions .cta-button:hover {
  background-color: var(--color-accent-hover);
  transform: scale(1.05);
}

.post-content i {
  color: var(--color-accent);
  margin-right: 0.5rem;
}

.cta-button i {
  color: var(--color-text); /* Asegura contraste con el fondo */
  transition: color 0.3s ease;
}

.cta-button:hover i {
  color: var(--color-text); /* Mantiene el color en hover */
}