:root {
  --azul-principal: #073f6b;
  --azul-oscuro: #052f52;
  --azul-medio: #0756a6;
  --amarillo: #f3c623;
  --amarillo-oscuro: #d8a80b;
  --blanco: #ffffff;
  --gris-fondo: #f4f7fa;
  --texto: #34495e;
  --texto-oscuro: #1d2d3b;
  --sombra: 0 12px 30px rgba(5, 47, 82, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--blanco);
  color: var(--texto);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

button,
input,
textarea {
  font: inherit;
}

a {
  text-decoration: none;
}

.header {
  align-items: center;
  background-color: var(--blanco);
  box-shadow: 0 2px 12px rgba(5, 47, 82, 0.1);
  display: flex;
  justify-content: space-between;
  min-height: 84px;
  padding: 0.75rem 8%;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-button,
.footer-logo-button {
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0;
}

.logo-button img {
  display: block;
  height: 58px;
  object-fit: contain;
  width: auto;
}

.nav {
  display: flex;
  gap: 1.4rem;
}

.nav-link {
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  color: var(--azul-principal);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.35rem 0;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  border-bottom-color: var(--amarillo);
  color: var(--azul-oscuro);
}

.menu-btn {
  background-color: transparent;
  border: 0;
  color: var(--azul-principal);
  cursor: pointer;
  display: none;
  font-size: 1.8rem;
}

.container {
  margin: 0 auto;
  max-width: 1180px;
}

.hero {
  background: linear-gradient(120deg, rgba(5, 47, 82, 0.98), rgba(7, 63, 107, 0.92));
  color: var(--blanco);
  overflow: hidden;
  padding: 5.5rem 8%;
  position: relative;
}

.hero::after {
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  content: "";
  height: 520px;
  position: absolute;
  right: -180px;
  top: -160px;
  width: 520px;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: 3rem;
  grid-template-columns: 1.25fr 0.75fr;
  position: relative;
  z-index: 1;
}

.tag,
.section-tag {
  color: var(--amarillo-oscuro);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1.7px;
  margin-bottom: 0.8rem;
}

.hero .tag {
  color: #ffe589;
}

.hero h1 {
  color: var(--blanco);
  font-size: clamp(2.25rem, 5vw, 4.2rem);
  line-height: 1.12;
  margin-bottom: 1.25rem;
}

.hero-text {
  color: #e4f2fc;
  font-size: 1.1rem;
  max-width: 670px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.btn {
  border-radius: 6px;
  display: inline-block;
  font-weight: 800;
  padding: 0.9rem 1.35rem;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-yellow {
  background-color: var(--amarillo);
  border: 1px solid var(--amarillo);
  color: var(--azul-oscuro);
  cursor: pointer;
}

.btn-yellow:hover {
  background-color: #ffd53d;
  border-color: #ffd53d;
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.85);
  color: var(--blanco);
  cursor: pointer;
}

.btn-outline:hover {
  background-color: var(--blanco);
  color: var(--azul-principal);
}

.hero-logo {
  align-items: center;
  display: flex;
  justify-content: center;
}

.hero-logo img {
  border: 8px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.22);
  max-width: 310px;
  width: 100%;
}

.intro-section,
.about-section,
.services-section,
.modalities-section,
.contact-section,
.gallery-section {
  padding: 5rem 8%;
}

.center {
  text-align: center;
}

h2,
h3 {
  color: var(--azul-oscuro);
  line-height: 1.25;
}

h2 {
  font-size: clamp(1.85rem, 3vw, 2.6rem);
  margin-bottom: 1.2rem;
}

h3 {
  font-size: 1.22rem;
}

.intro-text,
.section-description,
.gallery-intro {
  margin: 0 auto;
  max-width: 800px;
}

.benefits-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2.7rem;
}

.benefit-card {
  background-color: var(--blanco);
  border-bottom: 4px solid var(--amarillo);
  border-radius: 10px;
  box-shadow: var(--sombra);
  padding: 2rem 1.6rem;
}

.benefit-icon,
.modality-number {
  align-items: center;
  background-color: var(--azul-principal);
  border-radius: 50%;
  color: var(--amarillo);
  display: flex;
  font-size: 0.9rem;
  font-weight: 800;
  height: 46px;
  justify-content: center;
  margin-bottom: 1.1rem;
  width: 46px;
}

.benefit-card h3 {
  margin-bottom: 0.75rem;
}

/* Galería */

.gallery-section {
  background-color: var(--gris-fondo);
  padding-bottom: 4rem;
  padding-top: 4rem;
}

.gallery-intro {
  max-width: 720px;
  text-align: center;
}

.gallery-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
  margin: 2rem auto 0;
  max-width: 920px;
}

.gallery-card {
  background-color: var(--blanco);
  border: 0;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(5, 47, 82, 0.12);
  cursor: zoom-in;
  margin: 0;
  overflow: hidden;
  padding: 0;
  position: relative;
}

.gallery-card img,
.gallery-card-large img {
  display: block;
  height: 180px;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s ease;
  width: 100%;
}

.gallery-card:hover img,
.gallery-card:focus-visible img {
  transform: scale(1.03);
}

.gallery-card:focus-visible {
  outline: 3px solid var(--amarillo);
  outline-offset: 3px;
}

.gallery-caption {
  background-color: rgba(5, 47, 82, 0.9);
  bottom: 0;
  color: var(--blanco);
  font-size: 0.82rem;
  font-weight: 700;
  left: 0;
  padding: 0.55rem 0.75rem;
  position: absolute;
  right: 0;
}

/* Nosotros */

.about-section {
  background-color: var(--blanco);
}

.about-layout {
  align-items: center;
  display: grid;
  gap: 3rem;
  grid-template-columns: 0.8fr 1.2fr;
}

.about-image {
  margin: 0 auto;
  max-width: 380px;
  width: 100%;
}

.about-image img {
  border-radius: 12px;
  box-shadow: var(--sombra);
  display: block;
  height: 400px;
  object-fit: cover;
  object-position: center top;
  width: 100%;
}

.about-content > p:not(.section-tag) {
  margin-bottom: 1rem;
}

.mission-vision {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.mission-vision article {
  background-color: #f6fafc;
  border-left: 5px solid var(--amarillo);
  border-radius: 6px;
  padding: 1.25rem;
}

.mission-vision h3 {
  margin-bottom: 0.4rem;
}

/* Servicios */

.services-section {
  background-color: var(--gris-fondo);
}

.services-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2.6rem;
}

.service-card {
  background-color: var(--blanco);
  border: 1px solid #dbe5ed;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 1.7rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  box-shadow: var(--sombra);
  transform: translateY(-5px);
}

.service-code {
  color: var(--azul-medio);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.7px;
  margin-bottom: 0.8rem;
}

.service-card h3 {
  font-size: 1.06rem;
  margin-bottom: 0.85rem;
}

.service-link {
  background: transparent;
  border: 0;
  color: var(--azul-principal);
  cursor: pointer;
  font-weight: 800;
  margin-top: auto;
  padding: 1.2rem 0 0;
  text-align: left;
}

.service-link:hover {
  color: var(--amarillo-oscuro);
}

.service-highlight {
  background-color: var(--azul-principal);
  border-color: var(--azul-principal);
}

.service-highlight .service-code,
.service-highlight .service-link {
  color: #ffe589;
}

.service-highlight h3,
.service-highlight p {
  color: var(--blanco);
}

/* Modalidades */

.modalities-section {
  background-color: var(--azul-principal);
}

.modalities-section .section-tag {
  color: #ffe589;
}

.modalities-section h2 {
  color: var(--blanco);
}

.modalities-grid {
  display: grid;
  gap: 1.8rem;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 2.5rem;
}

.modality-card {
  background-color: var(--blanco);
  border-radius: 10px;
  padding: 2rem;
}

.modality-number {
  background-color: var(--amarillo);
  color: var(--azul-oscuro);
}

.modality-card h3 {
  margin-bottom: 0.5rem;
}

.modality-label {
  color: var(--azul-medio);
  font-size: 0.88rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

/* Contacto */

.contact-section {
  background-color: #eaf3f9;
}

.contact-grid {
  align-items: center;
  display: grid;
  gap: 3rem;
  grid-template-columns: repeat(2, 1fr);
}

.contact-content h2 {
  max-width: 520px;
}

.contact-details {
  display: grid;
  gap: 1rem;
  margin-top: 1.7rem;
}

.contact-item {
  align-items: flex-start;
  display: flex;
  gap: 0.8rem;
}

.contact-icon {
  align-items: center;
  background-color: var(--azul-principal);
  border-radius: 50%;
  color: var(--amarillo);
  display: inline-flex;
  flex-shrink: 0;
  font-size: 1rem;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.contact-item strong {
  color: var(--azul-oscuro);
  display: block;
  font-size: 0.9rem;
}

.contact-item a {
  color: var(--azul-medio);
  font-weight: 700;
}

.contact-item p {
  margin: 0;
}

.whatsapp-link {
  align-items: center;
  color: var(--azul-principal);
  display: inline-flex;
  font-weight: 800;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.whatsapp-link span {
  color: #23b55d;
  font-size: 1.7rem;
  line-height: 0;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-start;
  margin-top: 1.5rem;
}

.social-links a {
  align-items: center;
  background-color: var(--azul-principal);
  border-radius: 50%;
  color: var(--blanco);
  display: inline-flex;
  height: 48px;
  justify-content: center;
  transition: background-color 0.3s ease, transform 0.2s ease;
  width: 48px;
}

.social-links a:hover {
  transform: translateY(-3px);
}

.social-links i {
  font-size: 1.4rem;
}

.social-links a[aria-label="Facebook"]:hover {
  background-color: #1877f2;
  color: var(--blanco);
}

.social-links a[aria-label="WhatsApp"]:hover {
  background-color: #25d366;
  color: var(--blanco);
}

.social-links a[aria-label="Instagram"]:hover {
  background-color: #e4405f;
  color: var(--blanco);
}

/* Formulario */

.contact-form {
  background-color: var(--blanco);
  border-radius: 10px;
  box-shadow: var(--sombra);
  padding: 2rem;
}

.contact-form h3 {
  margin-bottom: 1.2rem;
}

.contact-form label {
  color: var(--texto-oscuro);
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0.8rem 0 0.35rem;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid #cbd8e3;
  border-radius: 5px;
  color: var(--texto-oscuro);
  font: inherit;
  padding: 0.72rem;
  width: 100%;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--azul-medio);
  outline: 2px solid rgba(7, 86, 166, 0.14);
}

.contact-form .privacy {
  align-items: flex-start;
  display: flex;
  font-size: 0.82rem;
  font-weight: 400;
  gap: 0.55rem;
  margin-top: 1rem;
}

.privacy input {
  margin-top: 0.25rem;
  width: auto;
}

.form-button {
  border: 0;
  margin-top: 1.3rem;
  width: 100%;
}

.form-message {
  font-size: 0.9rem;
  font-weight: 700;
  margin-top: 1rem;
}

/* Ventana de imagen ampliada */

.image-modal {
  background: transparent;
  border: 0;
  margin: auto;
  max-height: 90vh;
  max-width: min(92vw, 1000px);
  overflow: visible;
  padding: 0;
}

.image-modal::backdrop {
  background-color: rgba(0, 0, 0, 0.82);
}

.image-modal img {
  border-radius: 10px;
  display: block;
  max-height: 85vh;
  max-width: 92vw;
  object-fit: contain;
}

.modal-close {
  align-items: center;
  background-color: var(--blanco);
  border: 0;
  border-radius: 50%;
  color: var(--azul-oscuro);
  cursor: pointer;
  display: flex;
  font-size: 1.8rem;
  font-weight: 700;
  height: 42px;
  justify-content: center;
  line-height: 1;
  position: absolute;
  right: -14px;
  top: -14px;
  width: 42px;
}

.modal-close:hover {
  background-color: var(--amarillo);
}

/* Pie de página */

.footer {
  align-items: center;
  background-color: var(--azul-oscuro);
  color: #d7e4ed;
  display: flex;
  justify-content: space-between;
  padding: 2rem 8%;
}

.footer-logo-button img {
  border-radius: 5px;
  display: block;
  height: 55px;
  object-fit: contain;
  width: auto;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.footer-contact a {
  color: var(--amarillo);
  font-size: 0.88rem;
  font-weight: 700;
}

.footer-contact p {
  font-size: 0.88rem;
  margin-top: 0.2rem;
}

/* Pantallas medianas */

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 680px;
  }

  .gallery-card-large {
    grid-column: span 2;
  }

  .about-layout {
    grid-template-columns: 1fr;
  }
}

/* Celulares */

@media (max-width: 720px) {
  .header {
    flex-wrap: wrap;
    padding: 0.65rem 6%;
  }

  .logo-button img {
    height: 48px;
  }

  .menu-btn {
    display: block;
  }

  .nav {
    display: none;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1rem 0 0.4rem;
    width: 100%;
  }

  .nav.active {
    display: flex;
  }

  .hero,
  .intro-section,
  .gallery-section,
  .about-section,
  .services-section,
  .modalities-section,
  .contact-section {
    padding-left: 6%;
    padding-right: 6%;
  }

  .hero-grid,
  .contact-grid,
  .benefits-grid,
  .services-grid,
  .modalities-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-card-large {
    grid-column: auto;
  }

  .gallery-card img,
  .gallery-card-large img {
    height: 180px;
  }

  .about-image img {
    height: 380px;
  }

  .hero-logo {
    display: none;
  }

  .hero {
    padding-bottom: 4.5rem;
    padding-top: 4.5rem;
  }

  .social-links {
    justify-content: flex-start;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 1.2rem;
  }

  .modal-close {
    right: -6px;
    top: -10px;
  }
}