/* --- VARIABLES Y ESTILOS BASE --- */
:root {
  --color-primary: #0052FF;
  --color-primary-dark: #003CC7;
  --color-dark: #121217;
  --color-secondary: #343A40;
  --color-light: #F8F9FA;
  --color-text: #495057;
  --color-border: #E9ECEF;
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Inter', sans-serif;
  --border-radius: 8px;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-secondary);
  color: var(--color-text);
  background-color: #FFFFFF;
  line-height: 1.6;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- ESTILOS GENERALES Y UTILIDADES --- */
.section__title {
  font-family: var(--font-primary);
  font-size: clamp(2rem, 5vw, 2.5rem);
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 16px;
}

.section__subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 82, 255, 0.3);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

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

/* --- HEADER Y NAVEGACIÓN --- */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease;
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.header__logo {
  font-family: var(--font-primary);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-dark);
  text-decoration: none;
}

.nav__list {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav__link {
  text-decoration: none;
  color: var(--color-secondary);
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

.nav__link:hover::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-dark);
}

/* --- HERO SECTION --- */
.hero {
  padding: 80px 0;
  text-align: center;
  background-color: var(--color-light);
}

.hero__container {
  max-width: 800px;
}

.hero__title {
  font-family: var(--font-primary);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  color: var(--color-dark);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: 24px;
}

.hero__promo {
  display: inline-block;
  background-color: rgba(0, 82, 255, 0.1);
  color: var(--color-primary);
  padding: 8px 16px;
  border-radius: 20px;
  margin-bottom: 32px;
  font-weight: 500;
}

/* --- SERVICES SECTION --- */
.services {
  padding: 80px 0;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.service-card {
  background-color: #FFFFFF;
  border-radius: var(--border-radius);
  padding: 40px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.service-card__icon {
  color: var(--color-primary);
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
}

.service-card__title {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: 16px;
}

/* --- PAQUETES SECTION --- */
.packages {
  padding: 80px 0;
  background-color: var(--color-light);
}

.packages__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  align-items: center;
}

.package-card {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 40px;
  text-align: center;
  transition: all .3s ease;
  position: relative;
}

.package-card--highlight {
  border: 2px solid var(--color-primary);
  transform: scale(1.05);
}

.package-card__badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: #fff;
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.9rem;
  font-weight: 600;
}

.package-card__title {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.package-card__price {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 24px;
}

.package-card__currency {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text);
}

.package-card__features {
  list-style: none;
  margin-bottom: 32px;
  text-align: left;
}

.package-card__features li {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.package-card__features i {
  color: var(--color-primary);
  width: 20px;
}

.package-card .btn {
  width: 100%;
}

/* --- TECNOLOGIAS SECTION --- */
.tech {
  padding: 80px 0;
}

.carousel-container {
  position: relative;
  overflow: hidden;
  height: 80px;
  -webkit-mask-image: linear-gradient(to right, transparent, black 20%, black 80%, transparent);
  mask-image: linear-gradient(to right, transparent, black 20%, black 80%, transparent);
}

.carousel-track {
  display: flex;
  gap: 60px;
  width: max-content;
  animation: scroll 30s linear infinite;
}

.carousel-item {
  height: 60px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all .3s ease;
}

.carousel-item:hover {
  filter: grayscale(0%);
  opacity: 1;
}

@keyframes scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

/* --- CONTACT SECTION --- */
.contact {
  padding: 80px 0;
  background-color: var(--color-light);
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.contact__description {
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.contact__details {
  list-style: none;
  line-height: 2;
}

.contact__details a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.contact__form .form-group {
  margin-bottom: 20px;
}

.contact__form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-family: var(--font-primary);
  color: var(--color-secondary);
}

/* --- WHATSAPP FAB --- */
.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  z-index: 100;
  transition: all .3s ease;
}

.whatsapp-fab:hover {
  transform: scale(1.1) rotate(10deg);
  background-color: #128C7E;
}

/* --- FOOTER --- */
.footer {
  padding: 40px 0;
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
}

.footer__container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: #FFFFFF;
    /* New properties for hiding */
    visibility: hidden;
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out, visibility 0.3s;
  }

  .nav.is-active {
    /* New properties for showing */
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: center;
    padding-top: 40px;
    gap: 20px;
  }

  .nav__link {
    font-size: 1.5rem;
  }

  .nav__toggle {
    display: block;
  }

  .package-card--highlight {
    transform: scale(1);
  }

  .contact__container {
    grid-template-columns: 1fr;
  }

  .contact__info {
    text-align: center;
  }
}

/* --- FIX PARA OVERFLOW DE MENÚ MÓVIL --- */
html.nav-is-open {
  overflow: hidden;
}
html.nav-is-open body {
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
}

/* --- ESTILOS MODERNOS PARA FORMULARIO --- */

/* Unificar estilos de todos los campos del formulario */
.contact__form input,
.contact__form textarea,
.contact__form select {
  width: 100%;
  padding: 14px;
  border: 1px solid #CED4DA;
  border-radius: var(--border-radius);
  font-family: var(--font-secondary);
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  background-color: #FFFFFF;
  -webkit-appearance: none; /* Quitar apariencia nativa en Safari/Chrome */
  -moz-appearance: none;
  appearance: none;
}

/* Estilos para el foco en todos los campos */
.contact__form input:focus,
.contact__form textarea:focus,
.contact__form select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.2);
}

/* Estilo personalizado para las listas desplegables (select) */
.contact__form select {
  /* Flecha personalizada usando SVG en línea */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23343A40' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px; /* Espacio para la flecha */
}

/* Para que la flecha no aparezca en el campo de texto de "ayuda" */
.contact__form textarea {
  background-image: none;
}

/* Estilo para el mensaje de éxito del formulario */
.form-success p {
    color: var(--color-dark);
    font-family: var(--font-primary);
    font-weight: 600;
    text-align: center;
}

/* Estilo para el botón de envío cuando está deshabilitado */
#submit-button:disabled {
    background-color: #a9a9a9;
    border-color: #a9a9a9;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
#submit-button:disabled:hover {
    background-color: #a9a9a9;
    border-color: #a9a9a9;
    color: #fff;
}