/* =====================
    Variables y Reseteo
    ===================== */
:root {
  /* Colores */
  --color-primary: #cf6c7d;
  --color-primary-light: #eba7a7;
  --color-primary-dark: #a94d7b;
  --color-secondary: #e6d2c8;
  --color-accent: #ffdab9;
  --color-background: #f8f8f8;
  --color-card-background: #ffffff;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #e0e0e0;
  --color-shadow: rgba(0, 0, 0, 0.08);
  --color-shadow-hover: rgba(0, 0, 0, 0.15);

  /* Tipografía */
  --font-heading: "Lexend", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Espaciados */
  --spacing-xs: 0.5rem; /* 8px */
  --spacing-sm: 1rem; /* 16px */
  --spacing-md: 1.5rem; /* 24px */
  --spacing-lg: 2.5rem; /* 40px */
  --spacing-xl: 4rem; /* 64px */

  /* Bordes y sombras */
  --border-radius: 8px;
  --box-shadow: 0 4px 12px var(--color-shadow);
  --box-shadow-hover: 0 8px 20px var(--color-shadow-hover);
  --transition-speed: 0.3s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden; /* Evita scroll horizontal */
}

/* Elementos multimedia */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Formularios */
input,
button,
textarea,
select {
  font: inherit;
  border: none;
  background: none;
}

/* Enlaces */
a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-speed);
}

/* Listas */
ul,
ol {
  list-style: none;
}

/* =====================
    Tipografía
    ===================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
  text-align: center;
  margin: var(--spacing-lg) 0 var(--spacing-md);
}

h3 {
  font-size: 1.8rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

/* =====================
    Utilidades y Layout
    ===================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

section:nth-of-type(even) {
  background-color: var(--color-background);
}

/* Overlay para menú móvil */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-speed);
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* =====================
    Componentes Reutilizables
    ===================== */

/* Botones */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: 2px solid transparent; /* Para que el outline no cambie el tamaño del botón */
}

.button--primary {
  background-color: var(--color-primary);
  color: white;
}

.button--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.button--outline {
  background-color: transparent;
  color: white;
  border-color: white;
}

.button--outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Tarjetas de Proyecto */
.project-card {
  background: var(--color-card-background);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: transform var(--transition-speed),
    box-shadow var(--transition-speed);
  display: flex;
  flex-direction: column;
  height: 100%;
  text-align: left;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-hover);
}

.project-image-container {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f8f9fa;
  overflow: hidden;
}

.project-image-container img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform var(--transition-speed);
}

.project-card:hover .project-image-container img {
  transform: scale(1.05);
}

/* Estilo específico para SVG dentro del contenedor de imagen */
.project-image-container img[src$=".svg"] {
  padding: 2rem;
}

.project-card-content {
  padding: var(--spacing-md);
  flex: 1; /* Permite que el contenido ocupe el espacio disponible */
  display: flex;
  flex-direction: column;
}

.project-card h3 {
  margin: 0 0 var(--spacing-xs) 0;
  color: var(--color-primary-dark);
  font-size: 1.25rem;
}

.project-card p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-text-light);
  font-size: 0.95rem;
  flex-grow: 1;
}

.project-card .button {
  align-self: flex-end;
  margin-top: auto;
}

/* =====================
    Header y Navegación
    ===================== */
.main-header {
  background-color: var(--color-card-background);
  padding: var(--spacing-sm) 0;
  box-shadow: var(--box-shadow);
  position: fixed; /* Fijo en la parte superior */
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: transform 0.3s ease; /* Para el efecto de ocultar/mostrar al scroll */
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.25rem;
}

.profile-image {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary);
  transition: transform var(--transition-speed);
}

.site-branding:hover .profile-image {
  transform: scale(1.05);
}

/* Menú de navegación (Móvil por defecto) */
.main-nav {
  position: fixed;
  top: 72px; /* Ajustado al alto del header */
  right: -100%; /* Oculto fuera de pantalla */
  width: 80%;
  max-width: 400px;
  height: calc(100vh - 72px); /* Ocupa el resto de la altura de la pantalla */
  background-color: var(--color-card-background);
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  transition: right 0.5s ease;
  padding: var(--spacing-lg) 0;
  overflow-y: auto; /* Permite scroll si el contenido es largo */
  z-index: 1000; /* Asegura que esté por encima del contenido */
}

.main-nav.active {
  right: 0; /* Muestra el menú */
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: 0 var(--spacing-md);
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition-speed),
    background-color var(--transition-speed);
  border-radius: var(--border-radius);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: rgba(var(--color-primary-light), 0.1);
}

/* Efecto de línea en los enlaces de navegación */
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary-dark);
  transition: width var(--transition-speed);
}

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

/* Botón del menú hamburguesa */
.menu-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  z-index: 1001; /* Asegura que esté por encima del menú */
  display: flex; /* Visible por defecto en móvil */
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
  transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all 0.3s ease;
}

.hamburger::before {
  transform: translateY(-6px);
}

.hamburger::after {
  transform: translateY(6px);
}

/* Animación de la hamburguesa a "X" */
.menu-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent; /* Oculta la línea central */
}

.menu-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg);
}

/* =====================
    Sección Hero
    ===================== */
.hero-section {
  background: linear-gradient(
    135deg,
    var(--color-primary-light) 0%,
    var(--color-secondary) 100%
  );
  color: white;
  padding: var(--spacing-xl) 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-shadow: 0 2px 4px var(--color-shadow-hover);
  position: relative;
  overflow: hidden;
  margin-top: 72px; /* Compensa la altura del header fijo */
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  animation: fadeInScaleUp 1s ease-out forwards; /* Animación de entrada */
  opacity: 0;
  transform: scale(0.95);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  color: white;
  text-shadow: 0 3px 6px var(--color-shadow-hover);
}

.highlight {
  color: var(--color-primary-dark);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
  text-align: start;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-image {
  max-width: 300px;
  margin: var(--spacing-lg) auto 0;
  border-radius: 150px 35px;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.hero-image:hover img {
  transform: scale(1.05);
}

/* =====================
    Sección Tecnologías
    ===================== */
.technologies-section__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-md);
  max-width: 900px;
  margin: var(--spacing-lg) auto;
}

.tech-item {
  background-color: var(--color-card-background);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: transform var(--transition-speed),
    box-shadow var(--transition-speed);
}

.tech-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.tech-item img {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-xs);
}

.tech-item p {
  margin: 0;
  font-weight: 500;
  color: var(--color-text);
}

/* =====================
    Sección Proyectos
    ===================== */
.projects-section {
  background: linear-gradient(
    135deg,
    var(--color-primary-light) 0%,
    var(--color-secondary) 100%
  );
  color: var(--color-text);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* =====================
    Sección Contacto
    ===================== */
.contact-section {
  background-color: var(--color-card-background);
}

.contact-form {
  max-width: 600px;
  margin: var(--spacing-lg) auto;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: left;
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.contact-form label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: var(--spacing-xs);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: #fdfdfd;
  transition: border-color var(--transition-speed),
    box-shadow var(--transition-speed);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-primary-dark);
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--color-primary-dark), 0.3);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form .button {
  width: 100%;
  padding: var(--spacing-sm);
}

/* =====================
    Footer
    ===================== */
.main-footer {
  background-color: var(--color-text);
  color: var(--color-background);
  padding: var(--spacing-md) 0;
  text-align: center;
  font-size: 0.9rem;
}

.social-links {
  margin-top: var(--spacing-xs);
}

.social-links a {
  color: #fff;
  margin: 0 var(--spacing-xs);
  transition: color var(--transition-speed);
}

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

/* =====================
    Animaciones
    ===================== */
@keyframes fadeInScaleUp {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Estilos para animaciones de elementos en scroll (activadas por JS) */
.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
}

.slide-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-left {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-right {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* =====================
    Media Queries
    ===================== */

/* Para pantallas medianas (ej. tabletas) */
@media (max-width: 1023px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  p {
    font-size: 1rem;
  }

  .hero-section {
    min-height: 70vh; /* Ajuste para tablets */
  }

  .hero-title {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    padding: 0 var(--spacing-sm);
  }

  .tech-item,
  .project-card,
  .contact-form {
    margin-left: var(--spacing-sm);
    margin-right: var(--spacing-sm);
  }

  .main-header .container {
    /* Asegura que el header-content se centre bien en móviles */
    padding: 0 var(--spacing-sm);
  }
}

/* Para pantallas pequeñas (ej. móviles) */
@media (max-width: 424px) {
  h1 {
    font-size: 2.2rem;
  }
  h2 {
    font-size: 1.8rem;
  }
  p {
    font-size: 0.95rem;
  }

  .site-branding {
    font-size: 1.1rem;
  }

  .profile-image {
    width: 35px;
    height: 35px;
  }

  .hero-section {
    padding: var(--spacing-lg) 0;
    min-height: 60vh;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-image {
    max-width: 250px;
  }

  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .button {
    width: 100%;
  }
}

/* --- Media Query para Desktop (A partir de 768px) --- */
@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }

  /* Resetea el menú para que se vea en línea en desktop */
  .main-nav {
    position: static;
    top: auto;
    right: auto;
    width: auto;
    max-width: none;
    height: auto;
    background-color: transparent;
    box-shadow: none;
    transition: none;
    padding: 0;
    overflow-y: visible;
    z-index: auto;
  }

  .nav-list {
    flex-direction: row;
    gap: var(--spacing-md);
    padding: 0;
  }

  .nav-link {
    padding: var(--spacing-xs) var(--spacing-sm); /* Ajusta el padding para enlaces en línea */
    color: var(--color-text-light);
  }

  .nav-link:hover {
    color: var(--color-primary-dark);
    background-color: transparent;
  }

  /* Ajusta el botón de Contacto en la nav */
  .nav-item .button--outline {
    color: var(--color-primary);
    border-color: var(--color-primary);
  }

  .nav-item .button--outline:hover {
    background-color: var(--color-primary);
    color: white;
  }

  /* Grid de proyectos */
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Estilos para errores de formulario */
  .error-message {
    color: #d32f2f;
    font-size: 0.95em;
    margin-top: 4px;
    min-height: 1.2em;
    transition: color 0.2s;
  }
  .form-group input.error,
  .form-group textarea.error {
    border-color: #d32f2f;
    outline-color: #d32f2f;
    background-color: #fff6f6;
    transition: border-color 0.2s, background-color 0.2s;
  }
  /* Grid de proyectos en pantallas grandes */
  @media (min-width: 1024px) {
    .projects-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }
}