/* Reset y configuración base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Variables CSS para colores y espaciado */
:root {
  --primary-color: #f5f5dc; /* Beige */
  --secondary-color: #ffffff; /* Blanco */
  --accent-color: #d4c5a9; /* Beige más oscuro */
  --text-dark: #333333;
  --text-light: #666666;
  --border-color: #e8e8e8;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* Estilos base del body */
body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--secondary-color);
}

/* Contenedor principal */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navegación */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: var(--secondary-color);
  box-shadow: var(--shadow);
  z-index: 1000;
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo h2 {
  color: var(--text-dark);
  font-weight: 600;
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: var(--accent-color);
}

.quote-btn {
  background-color: var(--primary-color);
  padding: 0.75rem 1.5rem !important;
  border-radius: 5px;
  border: 2px solid var(--accent-color);
}

.quote-btn:hover {
  background-color: var(--accent-color);
  color: var(--secondary-color);
}

/* Menú hamburguesa para móviles */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--text-dark);
  margin: 3px 0;
  transition: var(--transition);
}

/* Sección Hero */
.hero {
  display: flex;
  align-items: center;
  min-height: 100vh;
  padding: 130px 20px 50px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 3rem;
}

.hero-content {
  flex: 1;
}
/* secion controla el margen del titulo con el encavezado  margin top*/
.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
  margin-top: 9px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

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

.hero-image {
  flex: 1;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

/* Botones */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 5px;
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-dark);
  border: 2px solid var(--accent-color);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--text-dark);
  border: 2px solid var(--accent-color);
}

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

/* Encabezados de sección */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
}

/* Sección About */
.about {
  padding: 80px 0;
  background-color: var(--primary-color);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
  line-height: 1.7;
}

.about-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.stat {
  text-align: center;
}

.stat h4 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.stat p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

/* Sección Services */
.services {
  padding: 80px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--secondary-color);
  padding: 2.5rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.service-card p {
  color: var(--text-light);
  line-height: 1.6;
}

/* Sección Portfolio */
.portfolio {
  padding: 80px 0;
  background-color: var(--primary-color);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  background-color: var(--secondary-color);
  border: 2px solid var(--accent-color);
  border-radius: 5px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
  background-color: var(--accent-color);
  color: var(--secondary-color);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-5px);
}

.portfolio-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: 2rem;
  transform: translateY(100%);
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  transform: translateY(0);
}

.portfolio-overlay h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* Sección Quote */
.quote-section {
  padding: 80px 0;
}

.quote-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.quote-info h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.quote-info p {
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.quote-benefits {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.benefit {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.benefit-icon {
  background-color: var(--primary-color);
  color: var(--text-dark);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.8rem;
}

/* Formularios */
.quote-form,
.contact-form {
  background-color: var(--secondary-color);
  padding: 2.5rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.quote-form h3,
.contact-form h3 {
  margin-bottom: 2rem;
  color: var(--text-dark);
  font-size: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 5px;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--secondary-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

/* Sección Contact */
.contact {
  padding: 80px 0;
  background-color: var(--primary-color);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.contact-icon {
  font-size: 1.5rem;
  background-color: var(--secondary-color);
  padding: 1rem;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-details h4 {
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.contact-details p {
  color: var(--text-light);
  line-height: 1.6;
}

.contact-details a {
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
}

.contact-details a:hover {
  color: var(--text-dark);
}

/* Footer */
.footer {
  background-color: var(--text-dark);
  color: var(--secondary-color);
  padding: 50px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.footer-section p,
.footer-section li {
  color: #cccccc;
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #cccccc;
  text-decoration: none;
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #555;
  color: #cccccc;
}

/* Botón scroll to top */
.scroll-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--primary-color);
  color: var(--text-dark);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background-color: var(--accent-color);
  color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
  /* Navegación móvil */
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--secondary-color);
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    margin: 1rem 0;
  }

  /* Hero responsive */
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 120px 20px 50px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  /* About responsive */
  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-stats {
    justify-content: center;
  }

  /* Services responsive */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Portfolio responsive */
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  /* Quote y Contact responsive */
  .quote-content,
  .contact-content {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Secciones padding responsive */
  .hero,
  .about,
  .services,
  .portfolio,
  .quote-section,
  .contact {
    padding: 60px 0;
  }

  .section-header h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

  .service-card,
  .quote-form,
  .contact-form {
    padding: 1.5rem;
  }

  .portfolio-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

/* Animaciones suaves */
.portfolio-item.hidden {
  opacity: 0;
  transform: scale(0.8);
  transition: var(--transition);
}

.portfolio-item.visible {
  opacity: 1;
  transform: scale(1);
}

/* Estados de hover mejorados */
.service-card:hover,
.portfolio-item:hover {
  transform: translateY(-10px);
}

/* Mejoras de accesibilidad */
.nav-link:focus,
.btn:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Optimización de imágenes */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Estilos específicos para imágenes del hero */
.hero-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

/* Estilos para imágenes del about */
.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

/* Estilos mejorados para el portfolio */
.portfolio-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

/* Loading placeholder para imágenes */
img[src*="placeholder"] {
  background-color: var(--primary-color);
  border: 2px dashed var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 1rem;
}

/* Lazy loading styles */
img.lazy {
  opacity: 0;
  transition: opacity 0.3s;
}

img.lazy.loaded {
  opacity: 1;
}

/* Responsive images */
@media (max-width: 768px) {
  .hero-image img {
    height: 300px;
  }

  .about-image img {
    height: 250px;
  }

  .portfolio-item img {
    height: 250px;
  }
}