/* ===== RESPONSIVE DESIGN SYSTEM (CORREGIDO) ===== */

/* Breakpoints */
:root {
  --breakpoint-xs: 320px;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --breakpoint-2xl: 1400px;
}

/* ===== BASE RESPONSIVE STYLES (Mobile First) ===== */

/* Extra Small Devices (up to 575px) */
@media (max-width: 575px) {
  /* Typography scaling */
  h1 {
    font-size: var(--font-size-3xl);
  }
  
  h2 {
    font-size: var(--font-size-2xl);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
    line-height: 1.1;
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  /* Spacing adjustments */
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .section-header {
    margin-bottom: var(--spacing-2xl);
  }
  
  /* Container adjustments */
  .container {
    padding: 0 var(--spacing-md);
  }
  
  /* Grid systems for mobile */
  .services-grid,
  .team-grid,
  .media-grid,
  .clients-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  /* Hero section mobile */
  .hero-container {
    display: block;
    text-align: center;
  }
  
  .hero-content {
    margin-bottom: var(--spacing-2xl);
  }
  
  .hero-highlights {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
  }
  
  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
  }
  
  /* Education section mobile */
  .education-content {
    display: block;
  }
  
  .education-courses {
    margin-top: var(--spacing-xl);
  }
  
  /* Contact section mobile */
  .contact-content {
    display: block;
  }
  
  .contact-info {
    /* En móviles, la información de contacto debe ir apilada */
    display: block;
    gap: 0;
    justify-content: flex-start;
  }
  .contact-info .contact-item {
    margin-bottom: var(--spacing-xl);
  }
  
  /* Footer mobile */
  .footer-content {
    display: block;
  }
  
  .footer-section {
    margin-bottom: var(--spacing-xl);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  /* Button adjustments */
  .btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
  }
  
  /* Card adjustments */
  .card {
    padding: var(--spacing-lg);
  }
}

/* Small Devices (576px and up) */
@media (min-width: 576px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  /* Button adjustments */
  .hero-cta {
    flex-direction: row;
  }
  
  .btn {
    min-width: auto;
  }
  
  /* Grid adjustments */
  .media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Form improvements */
  .contact-form {
    max-width: 500px;
    margin: 0 auto;
  }
}

/* Medium Devices (768px and up) */
@media (min-width: 768px) {
  /* Grid adjustments */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
  
  .clients-grid {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); 
    gap: var(--spacing-sm); 
  }
  
  /* Hero section layout */
  .hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    text-align: left;
  }
  
  .hero-highlights {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: flex-start;
  }
  
  .hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: flex-start;
  }
  
  /* Education section layout */
  .education-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
  }
  
  /* Contact section layout */
  .contact-content {
    display: flex; 
    justify-content: center;
  }
  
  /* Footer layout */
  .footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
  }
}

/* Large Devices (992px and up) */
@media (min-width: 992px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
  
  .section {
    padding: var(--spacing-4xl) 0;
  }
  
  /* Grid Systems for Large Screens */
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
  }
  
  .team-grid {
    grid-template-columns: repeat(3, 1fr); 
    gap: var(--spacing-2xl);
  }
  
  .team-member.main-member {
    grid-column: 1 / span 2; 
    text-align: left;
  }
  
  /* CORRECCIÓN CLAVE: Aplica la cuadrícula de 2 columnas para el contacto aquí */
  .contact-content {
    display: flex; 
    justify-content: center;
  }

  /* Team member cards responsive */
  .team-member {
    text-align: left;
  }
}

/* Extra Large Devices (1400px and up) */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
  
  .section-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-title {
    font-size: var(--font-size-5xl);
  }
}

/* ===== COMPONENT-SPECIFIC RESPONSIVE STYLES (SIN CAMBIOS) ===== */

/* Navigation responsive behavior */
@media (max-width: 991px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: var(--spacing-md) 0;
  }
  
  .hamburger {
    display: block;
    cursor: pointer;
  }
  
  .nav-cta {
    display: none;
  }
}

/* Service cards responsive */
@media (max-width: 767px) {
  .service-card {
    text-align: center;
  }
  
  .service-icon {
    margin-bottom: var(--spacing-md);
  }
}

/* Team member cards responsive */
@media (max-width: 767px) {
  .team-member {
    text-align: center;
  }
  
  .main-member .member-info {
    text-align: center;
  }
}

/* Contact form responsive */
@media (max-width: 575px) {
  .contact-form {
    max-width: 100%;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px; 
  }
}

/* ===== OTRAS REGLAS DE RESPONSIVIDAD (SIN CAMBIOS) ===== */

/* LANDSCAPE ORIENTATION */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: var(--spacing-xl) 0;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
}

/* HIGH DPI DISPLAYS */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero-photo,
  .member-photo img {
    image-rendering: -webkit-optimize-contrast;
  }
}

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* DARK MODE SUPPORT */
@media (prefers-color-scheme: dark) {
  /* Optional: Add dark mode styles if needed */
}

/* PRINT RESPONSIVE */
@media print {
  .container {
    max-width: none;
    padding: 0;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
    break-inside: avoid;
  }
  
  .services-grid,
  .team-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .hero-container {
    display: block;
  }
  
  .contact-content {
    display: block;
  }
}

/* ===== UTILITY RESPONSIVE CLASSES (SIN CAMBIOS) ===== */

/* Hide/Show utilities */
.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

@media (min-width: 576px) {
  .d-sm-none { display: none; }
  .d-sm-block { display: block; }
  .d-sm-inline { display: inline; }
  .d-sm-inline-block { display: inline-block; }
  .d-sm-flex { display: flex; }
  .d-sm-grid { display: grid; }
}

@media (min-width: 768px) {
  .d-md-none { display: none; }
  .d-md-block { display: block; }
  .d-md-inline { display: inline; }
  .d-md-inline-block { display: inline-block; }
  .d-md-flex { display: flex; }
  .d-md-grid { display: grid; }
}

@media (min-width: 992px) {
  .d-lg-none { display: none; }
  .d-lg-block { display: block; }
  .d-lg-inline { display: inline; }
  .d-lg-inline-block { display: inline-block; }
  .d-lg-flex { display: flex; }
  .d-lg-grid { display: grid; }
}

/* Text alignment responsive */
@media (max-width: 767px) {
  .text-md-center { text-align: center; }
  .text-md-left { text-align: left; }
  .text-md-right { text-align: right; }
}

@media (max-width: 575px) {
  .text-sm-center { text-align: center; }
  .text-sm-left { text-align: left; }
  .text-sm-right { text-align: right; }
}