:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius: 10px;
  --header-h: 64px;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --icon-color: #374151;
}

@media (min-width: 1024px) {
  :root {
    --header-h: 72px;
  }
}

.dark {
  --bg: #0a0a0a;
  --fg: #ffffff;
  --muted: #9ca3af;
  --border: #1f2937;
  --text-primary: #ffffff;
  --text-secondary: #d1d5db;
  --icon-color: #d1d5db;
}

/* ===== Theme-specific improvements ===== */
/* Mejorar visibilidad de iconos en tema claro */
.card-section-title i,
.contact-item .icon i,
.learning-item i,
.card-head .icon i {
  color: var(--icon-color);
}

/* Asegurar que los títulos se vean bien en ambos temas */
.card-title,
.card-section-title,
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
}

/* Texto secundario consistente */
.card-text,
.section-subtitle,
.learning-item span {
  color: var(--text-secondary);
}

/* Iconos en botones del header */
.theme-btn i,
.nav-link,
.social i {
  color: var(--icon-color);
}

/* HERO - Sobrescribir clases hardcodeadas de Tailwind */
.hero .text-white,
.hero .text-purple-100 {
  color: var(--text-primary) !important;
}

/* Header - Arreglar el nombre en el header */
.site-header .text-gray-900 {
  color: var(--text-primary) !important;
}

/* Hero title específicamente */
.hero-title {
  color: var(--text-primary) !important;
}

/* Type row animation */
.type-row {
  color: var(--text-secondary) !important;
}

/* Nav links en el header */
.nav-link {
  color: var(--text-secondary);
}

.nav-link:hover {
  background: var(--border);
  color: var(--text-primary);
}

/* Theme button */
.theme-btn {
  color: var(--icon-color);
  border-color: var(--border);
}

/* Botón Hire Me en el header */
.bg-gradient-cta {
  color: var(--text-primary) !important;
}

.bg-gradient-cta i {
  color: var(--text-primary) !important;
}

/* Iconos de contacto */
.contact-item .icon {
  color: var(--icon-color);
  border-color: var(--border);
  background: var(--bg);
}

/* Emojis en skills - mantener su color natural */
.emoji {
  background: var(--border);
}

/* Mejorar contraste en learning areas */
.learning-item {
  color: var(--text-primary);
}

.learning-item i {
  color: #9333ea; /* Mantener el morado para consistencia */
}

/* Asegurar que el texto del hero se vea bien */
.hero-title {
  color: var(--text-primary);
}

/* Scroll indicator */
.scroll-indicator {
  color: var(--icon-color);
  background: var(--bg);
  border-color: var(--border);
}

/* Back to top button */
.back-to-top {
  color: var(--icon-color);
  background: var(--bg);
  border-color: var(--border);
}

/* ===== Scroll y estructura ===== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  /* Asegurar que siempre empiece desde arriba */
  overflow-x: hidden;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  /* Prevenir scroll horizontal */
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===== Container global ===== */
.container {
  max-width: 80rem;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 32px);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.site-header nav {
  max-width: 80rem;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 32px);
  height: 64px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .site-header nav {
    height: 72px;
  }
}

.nav-menu {
  display: none;
  justify-self: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 1024px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--fg);
  border-radius: 1px;
  transition: all 0.3s ease;
}

.nav-link {
  padding: .5rem .75rem;
  color: var(--text-secondary);
  border-radius: var(--radius);
  transition: background .2s, color .2s;
}
.nav-link:hover {
  background: var(--border);
  color: var(--text-primary);
}

.theme-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--icon-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.theme-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(147, 51, 234, 0.1), transparent);
  transition: left 0.5s ease;
}

.theme-btn:hover::before {
  left: 100%;
}

.theme-btn:hover {
  background: var(--border);
  transform: translateY(-1px) scale(1.05);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

/* ===== Hero ===== */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: left;
  background: var(--bg);
  padding-block: clamp(72px, 10vw, 128px);
}

.hero-inner {
  max-width: 70rem;
  display: grid;
  gap: 3rem;
  padding-inline: clamp(16px, 4vw, 32px);
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

/* ===== Portrait wrapper ===== */
.portrait-wrap {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding-left: 2rem;
}

@media (max-width: 1023px) {
  .portrait-wrap {
    justify-content: center;
    padding-left: 0;
  }
}

.hero-title {
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
}

.type-row {
  display: flex;
  align-items: center;
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.caret {
  display: inline-block;
  width: 2px;
  height: 1.25rem;
  background: var(--text-primary);
  margin-left: .25rem;
  animation: blink 1.2s infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.2; }
}

/* ===== Botones y Social ===== */
.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1rem;
}

.btn {
  padding: .75rem 1.25rem;
  border: 1px solid var(--fg);
  color: var(--fg);
  background: transparent;
  border-radius: var(--radius);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--fg);
  transition: left 0.3s ease;
  z-index: -1;
}

.btn:hover::before {
  left: 0;
}

.btn:hover {
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-outline {
  border: 1px solid var(--muted);
  color: var(--muted);
  position: relative;
  overflow: hidden;
}

.btn-outline::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--fg);
  transition: left 0.3s ease;
  z-index: -1;
}

.btn-outline:hover::before {
  left: 0;
}

.btn-outline:hover {
  border-color: var(--fg);
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.social-row {
  display: flex;
  gap: .75rem;
  padding-top: 1rem;
}

.social {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.social::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(147, 51, 234, 0.1), transparent);
  transition: left 0.5s ease;
}

.social:hover::before {
  left: 100%;
}

.social:hover {
  background: var(--border);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* ===== Imagen Hero ===== */
.portrait {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--border);
  transition: transform .4s ease;
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Scroll Indicator ===== */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--muted);
  background: var(--bg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.scroll-indicator::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(147, 51, 234, 0.1), transparent);
  transition: left 0.5s ease;
}

.scroll-indicator:hover::before {
  left: 100%;
}

.scroll-indicator:hover {
  background: var(--border);
  transform: translateX(-50%) translateY(-3px) scale(1.1);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* ===== Secciones ===== */
.section {
  padding-block: clamp(56px, 8vw, 96px);
  background: var(--bg);
  color: var(--fg);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--muted);
  font-size: 1.125rem;
}

/* ===== Cards ===== */
.card,
.proj-card,
.contact-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before,
.proj-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(147, 51, 234, 0.05), transparent);
  transition: left 0.5s ease;
}

.card:hover::before,
.proj-card:hover::before {
  left: 100%;
}

.card:hover,
.proj-card:hover,
.contact-item:hover {
  transform: translateY(-5px);
  border-color: rgba(147, 51, 234, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* ===== Proyectos ===== */
.tags span {
  display: inline-block;
  padding: .25rem .5rem;
  font-size: .75rem;
  background: var(--border);
  border-radius: 5px;
  color: var(--muted);
}

/* ===== CV Card y Learning Areas ===== */
.cv-card {
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.05), rgba(124, 58, 237, 0.08));
  border-color: rgba(147, 51, 234, 0.2);
}

.btn-cv {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, #9333ea, #7c3aed);
  color: white;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-cv::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn-cv:hover::before {
  left: 100%;
}

.btn-cv:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(147, 51, 234, 0.3);
}

.learning-areas {
  display: grid;
  gap: 0.75rem;
}

.learning-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  color: var(--fg);
}

.learning-item i {
  width: 20px;
  color: #9333ea;
  flex-shrink: 0;
}

.mb-4 {
  margin-bottom: 1rem;
}

/* ===== Contacto ===== */
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

/* Contact items dentro de cards (nueva estructura) */
.card .contact-item {
  border: none;
  background: transparent;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 0;
}

.card .contact-item:last-child {
  margin-bottom: 0;
}

.contact-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(147, 51, 234, 0.1), transparent);
  transition: left 0.5s ease;
}

.contact-item:hover::before {
  left: 100%;
}

.contact-item:hover {
  transform: translateY(-2px);
  border-color: #9333ea;
  box-shadow: 0 8px 25px rgba(147, 51, 234, 0.15);
}

.contact-item .icon {
  width: 48px;
  height: 48px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg);
  font-size: 1.125rem;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.contact-item:hover .icon {
  transform: scale(1.1) rotate(5deg);
}

/* Mejor alineación para el contenido de texto */
.contact-item div:not(.icon) {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.contact-item span {
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  z-index: 1;
}

/* Mejorar altura uniforme de las cards de contacto */
.card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card .space-y-4 > .contact-item {
  flex: 1;
  display: flex;
  align-items: center;
}

.label {
  font-size: .875rem;
  font-weight: 600;
  margin-bottom: .5rem;
  color: var(--fg);
  display: block;
}

.input,
.textarea,
select {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  font-size: .95rem;
  transition: all 0.3s ease;
  resize: vertical;
}

.input:focus,
.textarea:focus,
select:focus {
  outline: none;
  border-color: #9333ea;
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
  transform: translateY(-1px);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--muted);
  opacity: 0.7;
}

/* Estilos específicos para el select */
select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
  padding-right: 3rem;
}

select option {
  background: var(--bg);
  color: var(--fg);
  padding: 0.5rem;
}

.btn-submit {
  width: 100%;
  padding: 1rem 1.5rem;
  background: var(--bg);
  color: var(--fg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.btn-submit::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn-submit:hover::before {
  left: 100%;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(147, 51, 234, 0.3);
}

.btn-submit:active {
  transform: translateY(0);
}

.btn-submit i {
  transition: transform 0.3s ease;
}

.btn-submit:hover i {
  transform: translateX(2px);
}

/* Form validation states */
.input.ring-2.ring-red-500,
.textarea.ring-2.ring-red-500 {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Utility classes */
.space-y-6 > * + * {
  margin-top: 1.5rem;
}

.grid {
  display: grid;
}

.gap-12 {
  gap: 3rem;
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ===== Footer alignment fix ===== */
.site-footer {
  background: var(--bg);
  color: var(--text-primary);
  border-top: 1px solid var(--border);
  padding-block: 3rem;
}

.site-footer h3 {
  color: var(--text-primary);
}

.site-footer p {
  color: var(--text-secondary);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center; /* centra horizontalmente */
  align-items: center;     /* centra verticalmente */
  gap: 1.5rem;             /* espacio entre links */
  text-align: center;
}

.footer-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--text-primary);
}

.site-footer .flex.gap-4 {
  display: flex;
  justify-content: center;   /* centra horizontalmente */
  align-items: center;       /* alinea verticalmente */
  gap: 1.25rem;              /* separación entre iconos */
}

/* Estilo de cada icono */
.social sm {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--icon-color);
  transition: background 0.2s ease, color 0.2s ease;
}

.social.sm:hover {
  background: var(--border);
  color: var(--text-primary);
}

.social.sm i {
  color: var(--icon-color);
}

/* Para que quede perfecto también en móvil */
@media (max-width: 768px) {
  .site-footer nav {
    justify-content: center;
    text-align: center;
  }
}


/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.back-to-top::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(147, 51, 234, 0.1), transparent);
  transition: left 0.5s ease;
}

.back-to-top:hover::before {
  left: 100%;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--border);
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .6s ease, transform .6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ===== Skills Section ===== */
.skill {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.skill::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(147, 51, 234, 0.05), transparent);
  transition: left 0.5s ease;
}

.skill:hover::before {
  left: 100%;
}

.skill:hover {
  transform: translateY(-2px);
  border-color: rgba(147, 51, 234, 0.3);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.emoji {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--border);
  border-radius: var(--radius);
}

.skill-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.skill-head span:last-child {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
}

.bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #9333ea, #7c3aed);
  border-radius: 3px;
  transition: width 0.8s ease;
  position: relative;
}

.bar span::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.card-section-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--fg);
}

/* Responsive adjustments for skills */
@media (max-width: 768px) {
  .skill {
    padding: 0.5rem;
    gap: 0.75rem;
  }
  
  .emoji {
    width: 35px;
    height: 35px;
    font-size: 1.25rem;
  }
  
  .skill-head {
    font-size: 0.85rem;
  }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}