:root {
  --color-bg: #0f172a;
  --color-bg-alt: #020617;
  --color-primary: #ea580c;
  --color-primary-hover: #c2410c;
  --color-primary-soft: rgba(234, 88, 12, 0.12);
  --color-text: #e5e7eb;
  --color-muted: #9ca3af;
  --color-card-bg: #0f172a;
  --color-border: #1e293b;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-soft: 0 10px 25px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.5);
}

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

/* CANDADO DE SEGURIDAD PARA MÓVILES (Evita el espacio en blanco a la derecha) */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

html { 
  scroll-behavior: smooth; 
  scroll-padding-top: 5rem; 
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg-alt);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { 
  width: 100%; 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 1.5rem; 
}

.section { padding: 6rem 0; }
.section-title { 
  font-size: clamp(2rem, 4vw, 2.5rem); 
  margin-bottom: 3rem; 
  font-weight: 700; 
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 40px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

/* HEADER Y NAVEGACIÓN */
.site-header {
  position: sticky; 
  top: 0; 
  z-index: 1000;
  background: rgba(2, 6, 23, 0.9);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  height: 5rem; 
}

.site-logo a { 
  color: #fff; 
  font-weight: 800; 
  text-decoration: none; 
  font-size: 1.5rem; 
  letter-spacing: 1px; 
}

.site-nav ul { 
  list-style: none; 
  display: flex; 
  gap: 2rem; 
}

.site-nav a { 
  color: var(--color-text); 
  text-decoration: none; 
  font-size: 0.9rem; 
  font-weight: 500;
  transition: color 0.3s ease; 
}

.site-nav a:hover { color: var(--color-primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-text);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* HERO BANNER RESPONSIVO */
.hero {
  padding: 12rem 0 8rem;
  background-image: 
    linear-gradient(to bottom, rgba(2, 6, 23, 0.75), rgba(2, 6, 23, 0.95)),
    url('textura.png'); 
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 80vh;
}

.hero-banner-content { 
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  gap: 2.5rem; 
}

.hero-logo-wrapper {
  background: rgba(255, 255, 255, 0.02);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-logo-wrapper:hover { 
  transform: translateY(-5px); 
  box-shadow: var(--shadow-hover);
}

.hero-logo-main { 
  max-width: 400px; 
  width: 100%; 
  height: auto; 
  display: block; 
}

.hero-tagline { 
  font-size: clamp(1.2rem, 4vw, 1.8rem); 
  font-weight: 400; 
  color: var(--color-muted);
}
.text-white { color: #fff; }
.text-orange { color: var(--color-primary); font-weight: 600; }

.hero-btns-group { 
  display: flex; 
  gap: 1.5rem; 
  flex-wrap: wrap;
  justify-content: center;
}

/* BOTONES PROFESIONALES */
.btn {
  padding: 1rem 2.2rem; 
  border-radius: var(--radius-pill);
  font-weight: 600; 
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-decoration: none; 
  transition: all 0.3s ease;
  display: inline-flex; 
  align-items: center; 
  justify-content: center;
  cursor: pointer;
}

.btn-primary { 
  background: var(--color-primary); 
  color: #fff; 
  box-shadow: 0 4px 15px rgba(234, 88, 12, 0.4); 
  border: 1px solid var(--color-primary);
}

.btn-primary:hover { 
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px); 
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.6);
}

.btn-outline-alt { 
  border: 1px solid rgba(255,255,255,0.2); 
  color: #fff; 
  background: transparent; 
}

.btn-outline-alt:hover { 
  border-color: #fff; 
  background: rgba(255,255,255,0.05); 
  transform: translateY(-2px);
}

.btn-outline { 
  border: 1px solid var(--color-border); 
  color: var(--color-text); 
  margin-top: auto; 
  width: 100%; 
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

/* CARDS CON AUTO-FIT CORREGIDO PARA ANDROID */
.cards-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); 
  gap: 2.5rem; 
}

.card { 
  background: var(--color-card-bg); 
  border-radius: var(--radius-lg); 
  border: 1px solid var(--color-border); 
  overflow: hidden; 
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(234, 88, 12, 0.3);
}

.card-image img { 
  width: 100%; 
  height: 240px; 
  object-fit: cover; 
  border-bottom: 1px solid var(--color-border);
}

.card-body { 
  padding: 2rem; 
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 1rem;
}

.card-body h3 { font-size: 1.4rem; color: #fff; }
.card-body p { color: var(--color-muted); font-size: 0.95rem; }

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

.about-text p {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.about-text .btn { margin-top: 1rem; }

.about-image img { 
  width: 100%; 
  border-radius: var(--radius-lg); 
  box-shadow: var(--shadow-soft);
}

/* CARRUSEL DE GALERÍA */
.carousel-container {
  position: relative;
  width: 100%;
  padding: 0 10px; 
}

.carousel-track-wrapper {
  overflow: hidden;
  width: 100%;
  border-radius: var(--radius-md);
}

.carousel-track {
  display: flex;
  transition: transform 0.4s ease-in-out;
  gap: 1.5rem;
}

.carousel-slide {
  min-width: calc((100% - 3rem) / 3); 
  box-sizing: border-box;
}

.carousel-slide img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
  transition: transform 0.3s ease;
}

.carousel-slide:hover img {
  transform: scale(1.02);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-primary);
  color: white;
  border: none;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 10;
  box-shadow: var(--shadow-soft);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background 0.3s, transform 0.3s;
}

.carousel-btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-50%) scale(1.1);
}

.prev-btn { left: -20px; }
.next-btn { right: -20px; }


/* CONTACTO CORREGIDO PARA ANDROID */
.section-contact { background: var(--color-bg); }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-block h3 {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.contact-block a {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 1.1rem;
  transition: color 0.3s;
}

.contact-block a:hover { color: var(--color-primary-hover); }

/* Formulario Profesional */
.contact-form-container {
  background: var(--color-card-bg);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.contact-form-container h3 {
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
  color: #fff;
}

.custom-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-textarea {
  height: 120px;
  resize: vertical;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.btn-whatsapp {
  background-color: #25D366;
  color: white;
  border: none;
  padding: 1rem;
  cursor: pointer;
  width: 100%;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-whatsapp:hover {
  background-color: #1ebc5a;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

/* FOOTER */
.site-footer {
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.footer-credit {
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* BOTÓN FLOTANTE WHATSAPP (Ajustado Z-INDEX al máximo) */
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 40px;
  right: 40px;
  background-color: #25D366;
  color: white;
  border-radius: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-soft);
  z-index: 9999;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.whatsapp-float:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: var(--shadow-hover);
  background-color: #1EBE55;
  color: white;
}

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

/* MEDIA QUERIES (Tablets y Móviles) */
@media (max-width: 992px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-image { order: -1; } 
  
  .carousel-slide { min-width: calc((100% - 1.5rem) / 2); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; } 
  
  .site-nav {
    display: none; 
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(2, 6, 23, 0.98);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 0;
  }

  .site-nav.active { display: block; } 

  .site-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }
  
  .hero { padding: 8rem 0 6rem; }
  .hero-logo-main { max-width: 260px; }
  .hero-btns-group { flex-direction: column; width: 100%; }
  .hero-btns-group .btn { width: 100%; }
  
  .section { padding: 4rem 0; }
  .section-title { margin-bottom: 2rem; }

  .carousel-slide { min-width: 100%; }
  .prev-btn { left: 0px; }
  .next-btn { right: 0px; }

  /* Ajuste botón flotante en móviles */
  .whatsapp-float {
    width: 55px;
    height: 55px;
    bottom: 20px;
    right: 20px;
  }
  
  .whatsapp-icon {
    width: 30px;
    height: 30px;
  }
}