/* ==========================================================================
   BLANDINI DETAILING — ESTILOS MAESTROS DE PRODUCCIÓN
   Agencia WAFLERS | Dark Theme Nativo Permanente | Enfoque 100% Mobile-First
   ========================================================================== */

/* --- 1. TOKENS OFICIALES DEL SISTEMA DE DISEÑO (:root) --- */
:root {
  /* Paleta Cromática Oficial (Manual de Marca) */
  --color-primary: #F0B400;                /* Amarillo Institucional */
  --color-primary-hover: #D9A200;          /* Amarillo Activo */
  --color-primary-glow: rgba(240, 180, 0, 0.25);
  
  --color-bg-canvas: #000000;              /* Negro Puro de Fondo */
  --color-bg-surface: #232323;             /* Gris Oscuro de Superficie */
  --color-bg-surface-elevated: #2C2C2C;    /* Gris Elevado */
  
  --color-border-subtle: rgba(255, 255, 255, 0.10);
  --color-border-accent: rgba(240, 180, 0, 0.40);
  
  --color-text-primary: #FFFFFF;           /* Blanco Puro */
  --color-text-secondary: #B0B0B0;         /* Gris Medio de Lectura */
  --color-text-muted: #757575;             /* Gris Atenuado */
  
  --color-whatsapp: #25D366;               /* Verde Oficial WhatsApp */
  --color-whatsapp-hover: #1EBE5D;

  /* Tipografía Institucional (Google Fonts Roboto) */
  --font-family-body: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-family-display: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Escala Tipográfica Fluida */
  --font-size-display: clamp(2.00rem, 5.0vw, 3.25rem); /* H1 Hero */
  --font-size-h2: clamp(1.50rem, 3.5vw, 2.25rem);      /* H2 Secciones */
  --font-size-h3: clamp(1.125rem, 2.2vw, 1.50rem);     /* H3 Tarjetas */
  --font-size-lead: clamp(1.06rem, 1.8vw, 1.25rem);    /* Bajada Hero */
  --font-size-body: clamp(0.938rem, 1.0vw, 1.00rem);   /* Cuerpo de Texto */
  --font-size-small: clamp(0.813rem, 0.9vw, 0.875rem); /* Textos Secundarios */
  --font-size-badge: 0.75rem;                          /* Micro-copys y Badges */

  /* Cuadrícula de Espaciado (Grid de 8px) */
  --space-0-5: 4px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --space-12: 96px;

  /* Radios de Borde */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Sombras y Elevaciones */
  --shadow-surface: 0 4px 20px rgba(0, 0, 0, 0.60), 0 0 0 1px var(--color-border-subtle);
  --shadow-elevated: 0 8px 30px rgba(0, 0, 0, 0.80), 0 0 0 1px var(--color-border-subtle);
  --shadow-glow: 0 0 25px rgba(240, 180, 0, 0.20), 0 0 0 1px var(--color-border-accent);
  --shadow-whatsapp: 0 6px 20px rgba(37, 211, 102, 0.35);

  /* Contenedores */
  --container-max-width: 1200px;
  --container-padding: var(--space-2);
}

@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-4);
  }
}

/* --- 2. RESET & BASE --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-bg-canvas);
  color: var(--color-text-primary);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-body);
  line-height: 1.6;
  background-color: var(--color-bg-canvas);
  color: var(--color-text-secondary);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Anillo de enfoque accesible */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section-spacing {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .section-spacing {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
}

/* Encabezados Globales */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-4) auto;
}

.section-header h2 {
  font-size: var(--font-size-h2);
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-2);
  font-weight: 700;
}

.section-header p {
  font-size: var(--font-size-lead);
  color: var(--color-text-secondary);
}

.text-accent {
  color: var(--color-primary);
}

/* --- 3. BOTONES Y CTAS --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 48px;
  padding: 12px 28px;
  background-color: var(--color-primary);
  color: #000000;
  font-family: var(--font-family-body);
  font-size: var(--font-size-body);
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-primary);
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  width: 100%;
  text-align: center;
}

@media (min-width: 640px) {
  .btn-primary {
    width: auto;
  }
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(240, 180, 0, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 48px;
  padding: 12px 24px;
  background-color: transparent;
  color: var(--color-text-primary);
  font-family: var(--font-family-body);
  font-size: var(--font-size-body);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  width: 100%;
  text-align: center;
}

@media (min-width: 640px) {
  .btn-secondary {
    width: auto;
  }
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: var(--color-text-primary);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Badges & Pills */
.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(240, 180, 0, 0.10);
  border: 1px solid var(--color-border-accent);
  color: var(--color-primary);
  font-size: var(--font-size-badge);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* --- 4. HEADER & NAVBAR --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.brand-logo-link:hover {
  opacity: 0.9;
}

.brand-logo {
  height: 40px;
  width: auto;
  max-width: 190px;
  object-fit: contain;
  display: block;
}

.nav-menu {
  display: none;
}

@media (min-width: 992px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }
  .nav-link {
    color: var(--color-text-secondary);
    font-size: 0.938rem;
    font-weight: 500;
    padding: var(--space-1) var(--space-0-5);
    position: relative;
    transition: color 0.2s ease;
  }
  .nav-link:hover, .nav-link.active {
    color: var(--color-primary);
  }
  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: var(--space-0-5);
    right: var(--space-0-5);
    height: 2px;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
  }
}

.nav-cta {
  display: none;
}

@media (min-width: 992px) {
  .nav-cta {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 8px 18px;
    font-size: 0.875rem;
  }
}

.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  gap: 5px;
  cursor: pointer;
  z-index: 110;
}

@media (min-width: 992px) {
  .hamburger-btn {
    display: none;
  }
}

.hamburger-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.active span:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer Menu */
.mobile-nav {
  position: fixed;
  top: 68px;
  left: 0;
  width: 100%;
  height: calc(100vh - 68px);
  background: rgba(0, 0, 0, 0.98);
  backdrop-filter: blur(20px);
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  z-index: 99;
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text-primary);
  padding: 12px 0;
  min-height: 48px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-primary);
}

/* --- 5. HERO SECTION --- */
.hero-section {
  padding-top: var(--space-4);
  padding-bottom: var(--space-6);
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 860px;
  margin: 0 auto var(--space-4) auto;
}

.hero-pill {
  margin-bottom: var(--space-2);
}

.hero-title {
  font-size: var(--font-size-display);
  color: var(--color-text-primary);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-2);
}

.hero-subtitle {
  font-size: var(--font-size-lead);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
    gap: var(--space-3);
  }
}

.hero-microcopy {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.trust-badges-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-2);
  background: rgba(35, 35, 35, 0.4);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.trust-badge-item {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-0-5);
}

.trust-badge-item .check {
  color: var(--color-primary);
}

/* --- 6. CAROUSEL TRACK (SNAP-SCROLL MOBILE-FIRST CON FLECHAS EN DESKTOP) --- */
.carousel-wrapper {
  margin-top: var(--space-4);
  position: relative;
}

.carousel-arrow {
  display: none;
  position: absolute;
  top: 45%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  font-size: 1.25rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.carousel-arrow:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #000000;
  transform: translateY(-50%) scale(1.08);
}

.carousel-arrow:active {
  transform: translateY(-50%) scale(0.96);
}

.carousel-arrow-prev {
  left: -24px;
}

.carousel-arrow-next {
  right: -24px;
}

@media (min-width: 900px) {
  .carousel-arrow {
    display: flex;
  }
}

.carousel-track {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-inline: contain;
  padding: var(--space-1) var(--space-0-5) var(--space-2) var(--space-0-5);
  scrollbar-width: none;
}

.carousel-track::-webkit-scrollbar {
  display: none;
}

.carousel-item {
  flex: 0 0 85%;
  max-width: 400px;
  scroll-snap-align: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-surface);
  position: relative;
  box-shadow: var(--shadow-surface);
}

@media (min-width: 768px) {
  .carousel-item {
    flex: 0 0 32%;
    max-width: none;
  }
}

.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.carousel-item:hover img {
  transform: scale(1.04);
}

[data-lightbox] {
  cursor: zoom-in;
}

.carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-2);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
  color: var(--color-text-primary);
  font-size: var(--font-size-small);
  font-weight: 500;
  pointer-events: none;
}

.carousel-nav-hint {
  text-align: center;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* --- 7. TRUST BAR & STATS --- */
.trust-stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

@media (min-width: 600px) {
  .trust-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .trust-stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  text-align: center;
  box-shadow: var(--shadow-surface);
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.stat-desc {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* Authority 3M Certificate Card */
.authority-card {
  background: linear-gradient(145deg, #242424 0%, #151515 100%);
  border: 1.5px solid var(--color-border-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-glow);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 840px) {
  .authority-card {
    flex-direction: row;
    align-items: center;
    padding: var(--space-4);
    gap: var(--space-4);
  }
}

.authority-image-box {
  flex: 0 0 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  background: #000;
}

@media (min-width: 840px) {
  .authority-image-box {
    flex: 0 0 42%;
  }
}

.authority-image-box img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.authority-info-box {
  flex: 1;
}

.authority-info-box h3 {
  font-size: var(--font-size-h3);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.authority-info-box p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

.authority-meta {
  font-size: var(--font-size-small);
  color: var(--color-primary);
  font-weight: 500;
}

/* --- 8. SERVICIOS (MODULAR SERVICE CARDS) --- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 700px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-surface);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-accent);
  box-shadow: var(--shadow-glow);
}

.service-card.card-featured {
  border-color: var(--color-border-accent);
  background: linear-gradient(180deg, #282828 0%, #202020 100%);
}

.service-badge {
  align-self: flex-start;
  font-size: var(--font-size-badge);
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(240, 180, 0, 0.12);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.service-title {
  font-size: var(--font-size-h3);
  color: var(--color-text-primary);
  font-weight: 700;
  margin-bottom: var(--space-1);
  line-height: 1.3;
}

.service-summary {
  font-size: 0.938rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-2);
  flex-grow: 1; /* Absorbe la longitud del texto igualando tarjetas */
}

.service-includes-title {
  font-size: var(--font-size-small);
  color: var(--color-text-primary);
  font-weight: 700;
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-checklist {
  margin-bottom: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.service-checklist li {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
  line-height: 1.4;
}

.service-checklist li .chk {
  color: var(--color-primary);
  font-weight: bold;
}

.service-card .btn-card-action {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 48px;
  padding: 12px 18px;
  background-color: transparent;
  color: var(--color-primary);
  font-size: 0.938rem;
  font-weight: 700;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s ease;
  width: 100%;
}

.service-card .btn-card-action:hover {
  background-color: var(--color-primary);
  color: #000000;
  box-shadow: 0 4px 15px rgba(240, 180, 0, 0.3);
}

/* --- 9. CASOS DE ESTUDIO REALES --- */
.case-study-block {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-surface);
}

@media (min-width: 840px) {
  .case-study-block {
    padding: var(--space-4);
  }
}

.case-study-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 900px) {
  .case-study-layout {
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
  }
  .case-study-layout.reverse {
    flex-direction: row-reverse;
  }
}

.case-gallery {
  flex: 1;
}

.case-main-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-1);
}

.case-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-1);
}

.case-thumb-img {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
}

.case-thumb-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-info {
  flex: 1;
}

.case-badge {
  font-size: var(--font-size-badge);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.case-title {
  font-size: var(--font-size-h3);
  color: var(--color-text-primary);
  font-weight: 700;
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.case-desc {
  font-size: 0.938rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}

.case-specs-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.case-specs-list li {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
}

.case-specs-list li strong {
  color: var(--color-text-primary);
}

/* --- 10. BEFORE/AFTER SLIDER --- */
.before-after-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  user-select: none;
  touch-action: pan-y;
  background: #000;
  margin-bottom: var(--space-2);
}

.before-after-img-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.before-after-img-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.before-after-img-before {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  z-index: 2;
}

.before-after-img-before img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

.before-after-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--color-primary);
  z-index: 3;
  transform: translateX(-50%);
  cursor: ew-resize;
}

.before-after-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 14px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.7);
  pointer-events: none;
}

.badge-label-before, .badge-label-after {
  position: absolute;
  top: 14px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  z-index: 4;
}

.badge-label-before {
  left: 14px;
}

.badge-label-after {
  right: 14px;
}

/* Tabs Switcher for Before/After */
.tab-controls {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--color-border-subtle);
  transition: all 0.2s ease;
  cursor: pointer;
}

.tab-btn.active {
  background: var(--color-primary);
  color: #000;
  font-weight: 700;
  border-color: var(--color-primary);
}

/* --- 11. PROCESO DE TRABAJO (4 PASOS) --- */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

@media (min-width: 600px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  position: relative;
  box-shadow: var(--shadow-surface);
}

.process-step-num {
  font-size: 2rem;
  font-weight: 900;
  color: rgba(240, 180, 0, 0.35);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.process-title {
  font-size: 1.125rem;
  color: var(--color-text-primary);
  font-weight: 700;
  margin-bottom: var(--space-1);
  line-height: 1.3;
}

.process-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --- 12. TABLA COMPARATIVA TÉCNICA (AEO/GEO) --- */
.table-responsive-box {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-surface);
  box-shadow: var(--shadow-surface);
  margin-bottom: var(--space-3);
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: 0.875rem;
}

.comparison-table th {
  background: #1c1c1c;
  color: var(--color-text-primary);
  font-weight: 700;
  font-size: 0.938rem;
}

.comparison-table th.col-featured {
  background: rgba(240, 180, 0, 0.15);
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

.comparison-table td.col-featured {
  background: rgba(240, 180, 0, 0.04);
  font-weight: 500;
  color: var(--color-text-primary);
}

.comparison-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.comparison-cta-box {
  text-align: center;
  padding: var(--space-2);
}

/* --- 13. PREGUNTAS FRECUENTES (ACCORDION FAQ) --- */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: var(--color-border-accent);
  box-shadow: var(--shadow-glow);
}

.faq-summary {
  padding: var(--space-3);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 52px;
  list-style: none;
  gap: var(--space-2);
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--color-primary);
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 var(--space-3) var(--space-3) var(--space-3);
  color: var(--color-text-secondary);
  line-height: 1.65;
  font-size: 0.938rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 0;
  padding-top: var(--space-2);
}

.faq-content p {
  margin-bottom: var(--space-2);
}

.faq-content p:last-child {
  margin-bottom: 0;
}

/* --- 14. LOCALIZACIÓN & CONTACTO --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 840px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}

.contact-info-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-surface);
}

@media (min-width: 840px) {
  .contact-info-card {
    padding: var(--space-4);
  }
}

.contact-data-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.contact-data-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.contact-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-data-item strong {
  display: block;
  color: var(--color-text-primary);
  font-size: 0.938rem;
  margin-bottom: 2px;
}

.contact-data-item span, .contact-data-item a {
  color: var(--color-text-secondary);
  font-size: 0.938rem;
}

.contact-map-box {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  min-height: 320px;
  position: relative;
  background: #111;
}

.contact-map-box iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
}

/* --- 15. FOOTER --- */
.site-footer {
  background: #0d0d0d;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-6);
  padding-bottom: var(--space-4);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-top: var(--space-2);
  max-width: 380px;
}

.footer-title {
  color: var(--color-text-primary);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-align: center;
  font-size: 0.813rem;
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* --- 16. BOTÓN FLOTANTE PERSISTENTE DE WHATSAPP --- */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 20px;
  width: 56px;
  height: 56px;
  background-color: var(--color-whatsapp);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: var(--shadow-whatsapp);
  z-index: 1000;
  transition: transform 0.2s ease, background-color 0.2s ease;
  animation: whatsapp-pulse 2.5s infinite;
}

.floating-whatsapp:hover {
  transform: scale(1.08);
  background-color: var(--color-whatsapp-hover);
}

.floating-whatsapp svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* --- 17. ESTILOS DE CRÉDITOS & MARCA WAFLERS --- */
.waflers-link {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
  transition: opacity 0.2s ease, text-shadow 0.2s ease;
}

.waflers-link:hover {
  text-decoration: none;
  opacity: 0.85;
  text-shadow: 0 0 8px var(--color-primary-glow);
}

.footer-brand .brand-logo {
  height: 40px;
  width: auto;
  max-width: 190px;
  object-fit: contain;
  margin-bottom: var(--space-2);
}

/* --- 18. MODAL / LIGHTBOX DE IMÁGENES EN PANTALLA COMPLETA --- */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.lightbox-container {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2001;
}

.lightbox-media-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 100%;
  max-height: 85vh;
}

.lightbox-img {
  max-width: 100%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.95);
  user-select: none;
}

.lightbox-caption {
  margin-top: var(--space-2);
  color: var(--color-text-secondary);
  font-size: 0.938rem;
  text-align: center;
  max-width: 700px;
  line-height: 1.4;
}

.lightbox-btn {
  position: absolute;
  width: 50px;
  height: 50px;
  min-height: 48px;
  min-width: 48px;
  background: rgba(35, 35, 35, 0.85);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 2002;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.lightbox-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #000000;
  transform: scale(1.08);
}

.lightbox-btn:active {
  transform: scale(0.96);
}

.lightbox-close {
  top: -24px;
  right: -24px;
  font-size: 1.75rem;
  line-height: 1;
}

.lightbox-prev {
  top: 50%;
  left: -64px;
  transform: translateY(-50%);
}

.lightbox-prev:hover {
  transform: translateY(-50%) scale(1.08);
}

.lightbox-next {
  top: 50%;
  right: -64px;
  transform: translateY(-50%);
}

.lightbox-next:hover {
  transform: translateY(-50%) scale(1.08);
}

@media (max-width: 767px) {
  .lightbox-container {
    max-width: 96vw;
  }
  .lightbox-img {
    max-height: 60vh;
  }
  .lightbox-close {
    top: -44px;
    right: 0;
  }
  .lightbox-prev {
    left: 8px;
    top: auto;
    bottom: -60px;
    transform: none;
  }
  .lightbox-prev:hover {
    transform: scale(1.08);
  }
  .lightbox-next {
    right: 8px;
    top: auto;
    bottom: -60px;
    transform: none;
  }
  .lightbox-next:hover {
    transform: scale(1.08);
  }
}