/* ==========================================================================
   PORTFOLIO TASKIQ — HOJA DE ESTILOS PRINCIPAL
   Tecnología Inteligente para PyMEs y Emprendedores
   ========================================================================== */

/* ==========================================================================
   1. VARIABLES DE IDENTIDAD VISUAL (FÁCILMENTE EDITABLES)
   Modifica aquí los códigos hexadecimales para ajustar colores en todo el sitio.
   ========================================================================== */
:root {
  /* --- PALETA DE MARCA (VERDE PETRÓLEO Y ACENTOS) --- */
  --brand-petrol-dark: #134e57;     /* Verde petróleo profundo (principal para botones y contrastes) */
  --brand-petrol-primary: #175c66;  /* Verde petróleo medio institucional */
  --brand-petrol-hover: #0d383e;    /* Verde petróleo oscuro para estados hover */
  --brand-teal-accent: #2ba293;     /* Acento verde agua / teal para detalles sutiles */
  --brand-teal-light: #edf7f6;      /* Fondo suave para etiquetas, badges y áreas destacadas */
  --brand-teal-border: #c8e8e4;     /* Borde suave en tono petróleo claro */

  /* --- FONDOS Y SUPERFICIES --- */
  --bg-page: #fafaf9;               /* Blanco cálido editorial para el fondo general */
  --bg-surface: #ffffff;            /* Blanco puro para tarjetas y contenedores */
  --bg-subtle: #f4f4f5;             /* Gris neutro muy claro para separadores */

  /* --- TEXTOS Y TIPOGRAFÍA --- */
  --text-primary: #18181b;          /* Gris carbón casi negro para títulos y máxima legibilidad */
  --text-secondary: #475569;        /* Gris pizarra para párrafos y descripciones */
  --text-muted: #64748b;            /* Gris medio para metadatos, etiquetas y pies de página */

  /* --- BORDES Y SOMBRAS SUAVES --- */
  --border-subtle: #e4e4e7;         /* Borde sutil para tarjetas y divisores */
  --border-card-hover: #175c66;     /* Borde al pasar el cursor sobre proyectos */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 2px 8px rgba(19, 78, 87, 0.04), 0 1px 3px rgba(0, 0, 0, 0.03);
  --shadow-card-hover: 0 12px 28px rgba(19, 78, 87, 0.09), 0 4px 10px rgba(0, 0, 0, 0.04);

  /* --- RADIOS Y TRANSICIONES --- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  --transition-fast: 0.18s ease;
  --transition-normal: 0.25s ease;

  /* --- TIPOGRAFÍA BASE --- */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* ==========================================================================
   2. REINICIO Y ESTILOS BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   3. BARRA DE NAVEGACIÓN (HEADER)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 250, 249, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: opacity var(--transition-fast);
}

.brand-link:hover {
  opacity: 0.9;
}

.brand-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--brand-petrol-dark);
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--brand-petrol-primary);
}

/* ==========================================================================
   4. BOTONES COMUNES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.625rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--brand-petrol-dark);
  color: #ffffff;
  border: 1px solid var(--brand-petrol-dark);
  box-shadow: 0 2px 6px rgba(19, 78, 87, 0.18);
}

.btn-primary:hover {
  background-color: var(--brand-petrol-hover);
  border-color: var(--brand-petrol-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(19, 78, 87, 0.24);
}

.btn-secondary {
  background-color: transparent;
  color: var(--brand-petrol-dark);
  border: 1px solid var(--border-subtle);
  background-color: #ffffff;
}

.btn-secondary:hover {
  border-color: var(--brand-petrol-primary);
  color: var(--brand-petrol-hover);
  background-color: var(--brand-teal-light);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-petrol {
  background-color: var(--brand-petrol-dark);
  color: #ffffff;
}

.btn-petrol:hover {
  background-color: var(--brand-petrol-hover);
}

.btn-subtle {
  background-color: #f1f5f9;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-subtle:hover {
  background-color: #e2e8f0;
  color: var(--text-primary);
}

.btn-icon {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   5. SECCIÓN HERO (CABECERA)
   ========================================================================== */
.hero-section {
  padding-top: 5rem;
  padding-bottom: 5.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: radial-gradient(circle at 80% 20%, rgba(200, 232, 228, 0.35) 0%, transparent 60%);
}

.hero-container {
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--brand-teal-light);
  border: 1px solid var(--brand-teal-border);
  border-radius: var(--radius-full);
  margin-bottom: 1.75rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--brand-teal-accent);
  border-radius: 50%;
}

.badge-text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--brand-petrol-dark);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.1875rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 760px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.25rem;
}

.location-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.icon-location {
  width: 16px;
  height: 16px;
  color: var(--brand-petrol-primary);
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   6. SECCIÓN GALERÍA DE PROYECTOS
   ========================================================================== */
.projects-section {
  padding-top: 5.5rem;
  padding-bottom: 6rem;
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 3.5rem;
  max-width: 720px;
}

.section-title {
  font-size: 2.125rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Cuadrícula de proyectos: 2 columnas en desktop */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.project-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-card-hover);
}

/* Espacio visual amplio para futuras imágenes o capturas */
.project-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9.5;
  background-color: #f1f5f7;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

/* Si se coloca una etiqueta <img> real en el proyecto */
.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.project-card:hover .project-img {
  transform: scale(1.02);
}

/* Contenedor y visualización del logo oficial de marca (proporciones y colores intactos) */
.visual-logo-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f7f6 0%, #e1eeed 100%);
  padding: 1.5rem;
}

.project-brand-logo {
  max-height: 140px;
  width: auto;
  max-width: 80%;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 6px 20px rgba(19, 78, 87, 0.12);
  transition: transform var(--transition-normal);
}

.project-card:hover .project-brand-logo {
  transform: scale(1.04);
}

/* Placeholder elegante con fondo de color y tipografía */
.visual-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  position: relative;
  transition: background-color var(--transition-normal);
}

/* Variaciones de fondo sutiles con tono verde petróleo */
.placeholder-agenda {
  background: linear-gradient(135deg, #ebf5f5 0%, #dff0ee 100%);
}

.placeholder-catalogo {
  background: linear-gradient(135deg, #f0f7f7 0%, #e2f1ef 100%);
}

.placeholder-viajes {
  background: linear-gradient(135deg, #eaf4f5 0%, #dbeeed 100%);
}

.placeholder-alquileres {
  background: linear-gradient(135deg, #edf6f5 0%, #e4f3f1 100%);
}

.placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  max-width: 85%;
}

.placeholder-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-petrol-primary);
  box-shadow: var(--shadow-sm);
  margin-bottom: 0.25rem;
}

.placeholder-icon {
  width: 28px;
  height: 28px;
}

.placeholder-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-petrol-dark);
  letter-spacing: -0.01em;
}

.placeholder-sub {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Cuerpo de la tarjeta */
.project-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.category-tag {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--brand-petrol-primary);
  letter-spacing: 0.01em;
}

.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}

.status-dev {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

/* Nombre comercial tentativo editable */
.commercial-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.commercial-note strong {
  color: var(--brand-petrol-dark);
  font-weight: 600;
}

.project-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.project-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid #f1f5f9;
}

.btn-project {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  transition: all var(--transition-fast);
}

.btn-project-primary {
  background-color: var(--brand-petrol-dark);
  color: #ffffff;
}

.btn-project-primary:hover {
  background-color: var(--brand-petrol-hover);
  transform: translateX(2px);
}

.btn-project-secondary {
  background-color: #f8fafc;
  color: var(--brand-petrol-dark);
  border: 1px solid var(--border-subtle);
}

.btn-project-secondary:hover {
  background-color: var(--brand-teal-light);
  border-color: var(--brand-teal-border);
  color: var(--brand-petrol-hover);
  transform: translateX(2px);
}

.btn-project-outline {
  background-color: transparent;
  color: var(--brand-petrol-dark);
  border: 1px solid var(--border-subtle);
}

.btn-project-outline:hover {
  background-color: #f1f5f9;
}

.icon-external, .icon-arrow {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   7. SECCIÓN CONTACTO DIRECTO
   ========================================================================== */
.contact-section {
  padding-top: 5.5rem;
  padding-bottom: 6rem;
  background-color: #ffffff;
}

.contact-container {
  max-width: 860px;
}

.contact-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.contact-title {
  font-size: 2.125rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.contact-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.contact-grid {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.contact-card {
  display: flex;
  align-items: center;
  background-color: var(--bg-page);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: all var(--transition-fast);
}

.contact-card-highlight {
  border-color: var(--brand-teal-border);
  background-color: #f8fcfa;
}

.contact-card-link:hover {
  border-color: var(--brand-petrol-primary);
  background-color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.contact-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-petrol-dark);
  border: 1px solid var(--border-subtle);
  margin-right: 1.25rem;
  flex-shrink: 0;
}

.contact-card-icon svg {
  width: 22px;
  height: 22px;
}

.contact-card-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.contact-label {
  font-size: 0.78125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.contact-value {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--brand-petrol-dark);
  text-decoration: none;
}

.contact-email-link:hover {
  text-decoration: underline;
}

.contact-card-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.contact-card-arrow {
  color: var(--text-muted);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.contact-card-arrow svg {
  width: 18px;
  height: 18px;
}

.contact-card-link:hover .contact-card-arrow {
  transform: translateX(4px);
  color: var(--brand-petrol-dark);
}

.icon-copy {
  width: 14px;
  height: 14px;
}

/* Estilos específicos de la tarjeta y botón de WhatsApp */
.contact-card-whatsapp {
  border-color: #bbf7d0;
  background-color: #f0fdf4;
}

.contact-icon-whatsapp {
  color: #25D366;
  border-color: #dcfce7;
}

.contact-whatsapp-link:hover {
  color: #15803d;
  text-decoration: underline;
}

.btn-whatsapp {
  background-color: #25D366;
  color: #ffffff;
  border: 1px solid #22c55e;
}

.btn-whatsapp:hover {
  background-color: #20ba5a;
  border-color: #16a34a;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}

/* ==========================================================================
   8. PIE DE PÁGINA (FOOTER)
   ========================================================================== */
.site-footer {
  background-color: var(--bg-page);
  border-top: 1px solid var(--border-subtle);
  padding-top: 2.25rem;
  padding-bottom: 2.25rem;
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-copy strong {
  color: var(--brand-petrol-dark);
  font-weight: 600;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-divider {
  color: var(--border-subtle);
}

/* ==========================================================================
   9. BOTÓN FLOTANTE DE WHATSAPP DIRECTO
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  background-color: #25D366;
  color: #ffffff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.45), 0 2px 6px rgba(0, 0, 0, 0.12);
  z-index: 999;
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}

.whatsapp-float:hover {
  background-color: #20ba5a;
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.55), 0 4px 10px rgba(0, 0, 0, 0.15);
  color: #ffffff;
}

.whatsapp-float:focus-visible {
  outline: 3px solid #15803d;
  outline-offset: 3px;
}

.whatsapp-float-icon {
  width: 32px;
  height: 32px;
}

/* ==========================================================================
   10. MENSAJE FLOTANTE (TOAST)
   ========================================================================== */
.toast-message {
  position: fixed;
  bottom: 96px; /* Ubicado por encima del botón flotante para no taparlo */
  right: 24px;
  background-color: var(--brand-petrol-dark);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.22s ease;
  z-index: 1000;
}

.toast-message.toast-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ==========================================================================
   10. MEDIA QUERIES (RESPONSIVE DESIGN)
   ========================================================================== */
@media (max-width: 900px) {
  .hero-title {
    font-size: 2.375rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 640px) {
  .header-container {
    height: 64px;
  }

  .nav-list {
    gap: 1rem;
  }

  .brand-tagline {
    display: none;
  }

  .hero-section {
    padding-top: 3.5rem;
    padding-bottom: 4rem;
  }

  .hero-title {
    font-size: 1.875rem;
    line-height: 1.2;
  }

  .hero-description {
    font-size: 1.05rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .projects-section {
    padding-top: 4rem;
    padding-bottom: 4.5rem;
  }

  .section-title, .contact-title {
    font-size: 1.75rem;
  }

  .project-body {
    padding: 1.35rem;
  }

  .contact-section {
    padding-top: 4rem;
    padding-bottom: 4.5rem;
  }

  .contact-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
  }

  .contact-card-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .contact-card-arrow {
    display: none;
  }

  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .whatsapp-float {
    bottom: 18px;
    right: 18px;
    width: 52px;
    height: 52px;
  }

  .whatsapp-float-icon {
    width: 28px;
    height: 28px;
  }

  .toast-message {
    bottom: 80px;
    right: 16px;
    left: 16px;
    text-align: center;
  }
}