/* Responsive CSS - Media queries para diferentes dispositivos */

/* ============================================
   BREAKPOINTS
   Mobile: 320px - 767px
   Tablet: 768px - 1023px
   Desktop: 1024px - 1439px
   Wide: 1440px+
   ============================================ */

/* ============================================
   TABLET (768px - 1023px)
   ============================================ */

@media (max-width: 1023px) {
  /* Header y navegación */
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--blanco);
    flex-direction: column;
    justify-content: flex-start;
    padding: 5rem 2rem;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base) var(--ease-out);
    z-index: var(--z-modal);
  }

  .nav.active {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: var(--spacing-md);
  }

  .nav__item {
    width: 100%;
  }

  .nav__link {
    display: block;
    width: 100%;
    padding: var(--spacing-sm);
  }

  .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: var(--gris-claro);
    margin-top: var(--spacing-xs);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base) var(--ease-out);
  }

  .nav__item--dropdown.active .nav__dropdown {
    max-height: 500px;
  }

  .nav__toggle {
    display: flex;
    z-index: var(--z-tooltip);
  }

  .nav__cta {
    width: 100%;
    text-align: center;
  }

  /* Hero */
  .hero__container {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero__title {
    font-size: var(--h2-size);
  }

  .hero__subtitle {
    font-size: var(--font-size-lg);
  }

  .hero__cta {
    flex-direction: column;
    width: 100%;
  }

  .hero__cta .btn {
    width: 100%;
  }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .about__values {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Services */
  .services__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  /* Timeline */
  .timeline::before {
    left: 30px;
  }

  .timeline__item {
    flex-direction: row !important;
    padding-left: 60px;
  }

  .timeline__number {
    left: 30px;
    transform: translateX(-50%);
  }

  .timeline__content {
    margin-left: var(--spacing-lg);
  }

  /* Why us */
  .why-us {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Contact */
  .contact__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }

  .footer__brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }
}

/* ============================================
   MOBILE (320px - 767px)
   ============================================ */

@media (max-width: 767px) {
  /* Espaciado global */
  section {
    padding: var(--section-padding-mobile);
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  /* Header */
  .header__container {
    padding: 0.75rem var(--spacing-sm);
  }

  .header__logo {
    height: 40px;
  }

  .header.scrolled .header__logo {
    height: 35px;
  }

  .nav {
    width: 100%;
    right: -100%;
  }

  /* Hero */
  .hero {
    min-height: 100vh;
    padding-top: 60px;
  }

  .hero__container {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .hero__title {
    font-size: var(--h3-size);
    margin-bottom: var(--spacing-md);
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
  }

  .hero__cta {
    gap: var(--spacing-sm);
  }

  .btn {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    min-width: auto;
  }

  .hero__scroll {
    bottom: var(--spacing-lg);
  }

  .hero__scroll-icon {
    width: 25px;
    height: 40px;
  }

  /* Section titles */
  .section-title {
    font-size: var(--h3-size);
  }

  .section-subtitle {
    font-size: var(--font-size-base);
  }

  /* About */
  .about__intro-text {
    font-size: var(--font-size-base);
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .about__card {
    padding: var(--spacing-lg);
  }

  .about__card-icon {
    width: 50px;
    height: 50px;
  }

  .about__values {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .value-card {
    padding: var(--spacing-md);
  }

  .value-card__icon {
    width: 40px;
    height: 40px;
  }

  /* Services */
  .services__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .service-card {
    padding: var(--spacing-lg);
  }

  .service-card__icon {
    width: 50px;
    height: 50px;
  }

  .service-card__title {
    font-size: var(--font-size-lg);
  }

  .service-card__tags {
    gap: var(--spacing-xs);
  }

  .service-card__tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
  }

  /* Timeline */
  .timeline {
    padding: var(--spacing-md) 0;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline__item {
    padding-left: 50px;
    margin-bottom: var(--spacing-lg);
  }

  .timeline__number {
    left: 20px;
    width: 40px;
    height: 40px;
    font-size: var(--font-size-lg);
  }

  .timeline__content {
    padding: var(--spacing-md);
    margin-left: var(--spacing-md);
  }

  .timeline__title {
    font-size: var(--font-size-lg);
  }

  .timeline__text {
    font-size: var(--font-size-sm);
  }

  /* Why us */
  .why-us {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .why-card {
    padding: var(--spacing-lg);
  }

  .why-card__icon {
    width: 40px;
    height: 40px;
  }

  .why-card__title {
    font-size: var(--font-size-lg);
  }

  /* Contact */
  .contact__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .contact__form-wrapper {
    padding: var(--spacing-lg);
  }

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

  .form-group input,
  .form-group textarea,
  .form-group select {
    padding: 0.75rem 0.875rem;
    font-size: var(--font-size-sm);
  }

  .contact__info {
    gap: var(--spacing-md);
  }

  .contact__info-item {
    padding: var(--spacing-md);
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .contact__info-icon {
    width: 35px;
    height: 35px;
  }

  /* Footer */
  .footer {
    padding: var(--spacing-xl) var(--spacing-sm) var(--spacing-md);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer__brand {
    text-align: center;
    margin: 0 auto;
  }

  .footer__logo {
    height: 40px;
    margin: 0 auto var(--spacing-md);
  }

  .footer__section {
    text-align: center;
  }

  .footer__links {
    align-items: center;
  }

  .footer__link:hover {
    transform: none;
  }

  .footer__social {
    justify-content: center;
  }

  .footer__bottom {
    font-size: var(--font-size-xs);
  }

  /* Animaciones reducidas en mobile */
  .animate-on-scroll {
    transform: translateY(15px);
  }

  /* Tipografía ajustada */
  h1 { font-size: var(--h3-size); }
  h2 { font-size: var(--h4-size); }
  h3 { font-size: var(--font-size-xl); }
  h4 { font-size: var(--font-size-lg); }
}

/* ============================================
   SMALL MOBILE (320px - 480px)
   ============================================ */

@media (max-width: 480px) {
  :root {
    --font-size-base: 0.875rem;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: var(--font-size-sm);
  }

  .btn {
    padding: 0.625rem 1.25rem;
  }

  .service-card,
  .about__card,
  .value-card,
  .why-card {
    padding: var(--spacing-md);
  }

  .timeline__content {
    padding: var(--spacing-sm);
  }

  .contact__form-wrapper {
    padding: var(--spacing-md);
  }
}

/* ============================================
   LARGE DESKTOP (1440px+)
   ============================================ */

@media (min-width: 1440px) {
  :root {
    --h1-size: 4rem;
    --h2-size: 3.2rem;
    --h3-size: 2.4rem;
  }

  .container {
    max-width: 1400px;
  }

  .hero__container {
    max-width: 1000px;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-us {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   LANDSCAPE MOBILE
   ============================================ */

@media (max-width: 767px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: var(--spacing-3xl) var(--spacing-md);
  }

  .hero__scroll {
    display: none;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .header,
  .nav,
  .hero__scroll,
  .nav__cta,
  .btn,
  .footer__social {
    display: none;
  }

  body {
    font-size: 12pt;
    color: black;
    background: white;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  section {
    page-break-inside: avoid;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
    color: black;
  }
}

/* ============================================
   TOUCH DEVICES
   ============================================ */

@media (hover: none) and (pointer: coarse) {
  /* Aumentar áreas de toque */
  .nav__link,
  .btn,
  .footer__link {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  /* Remover hover effects en touch devices */
  .service-card:hover,
  .about__card:hover,
  .value-card:hover,
  .why-card:hover {
    transform: none;
  }

  /* Simplificar animaciones */
  * {
    transition-duration: 0.2s !important;
  }
}

/* ============================================
   HIGH RESOLUTION SCREENS
   ============================================ */

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Mejorar renderizado de texto */
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* ============================================
   DARK MODE (Preparado para futuro)
   ============================================ */

@media (prefers-color-scheme: dark) {
  /* Implementar cuando sea necesario */
  /* body {
    background: var(--negro);
    color: var(--blanco);
  } */
}

/* ============================================
   ACCESIBILIDAD - CONTRASTE ALTO
   ============================================ */

@media (prefers-contrast: high) {
  :root {
    --azul-principal: #0f2a42;
    --azul-secundario: #0a7a9d;
  }

  .btn,
  .nav__link,
  a {
    text-decoration: underline;
  }
}