/* ============================================================
   ANODIZADO CALIFORNIA — styles.css
   IVG Studio 
   ============================================================ */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Barlow', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* === VARIABLES (Modo Claro Premium) === */
:root {
  /* Colores */
  --bg-primary:      #ffffff;
  --bg-secondary:    #f5f7f9;
  --bg-card:         #ffffff;
  --bg-card-hover:   #fafcff;
  --border:          rgba(0,0,0,.08);
  --border-hover:    rgba(0,0,0,.15);

  --text-primary:    #1a1d20;
  --text-secondary:  #5a6068;
  --text-muted:      #666A70;

  --accent:          #78221f;        /* Rojo California */
  --accent-dark:     #5a1916;
  --accent-glow:     rgba(120,34,31,.12);
  --accent-green:    #1aa363;        /* Verde ambiental */
  --accent-green-glow: rgba(26,163,99,.15);

  /* Espaciado */
  --section-pad:     7rem 0;
  --container:       1200px;
  --gap:             1.5rem;

  /* Transiciones */
  --ease:            cubic-bezier(.25,.46,.45,.94);
  --ease-out:        cubic-bezier(.16,1,.3,1);
}

/* === UTILIDADES === */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: var(--section-pad); }
.section--dark { background: var(--bg-secondary); }

/* === SCROLL & ENTRADA ANIMATIONS (Versión Cinemática Avanzada) === */
[class*="reveal-"] {
  opacity: 0;
  /* Aumentamos el tiempo de 0.9s a 1.4s para un desplazamiento más señorial y pausado */
  transition: opacity 1.4s var(--ease-out), transform 1.4s var(--ease-out);
  will-change: transform, opacity;
}

/* Duplicamos la distancia de entrada de 60px a 120px para que el viaje lateral sea bien notorio */
.reveal-up    { transform: translateY(50px); }
.reveal-left  { transform: translateX(-500px); } /* Viene con un recorrido amplio desde la izquierda */
.reveal-right { transform: translateX(500px); }  /* Viene con un recorrido amplio desde la derecha */

[class*="reveal-"].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ENTRADA CINEMATOGRÁFICA (Ajustada a 4 segundos de pura fluidez) */
.reveal-marquee {
  opacity: 0;
  transform: translateX(100vw);
  transition: opacity 7s cubic-bezier(0.16, 1, 0.3, 1), transform 4s cubic-bezier(0.16, 1, 0.3, 1);
}

[class*="reveal-"].is-visible {
  opacity: 1;
  transform: none;
}

/* === SECTION HEADER === */
.section-header { text-align: center; max-width: 680px; margin: 0 auto 4rem; }
.section-tag {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(120,34,31,.15);
  padding: .3rem .9rem;
  border-radius: 2px;
  margin-bottom: 1.2rem;
}
.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1rem;
}
.section-title em { font-style: normal; color: var(--accent); }
.section-subtitle { color: var(--text-secondary); font-size: 1rem; line-height: 1.7; }

/* Logo imagen */
.nav-logo-img {
  height: 62px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: opacity .25s;
}
.nav-logo:hover .nav-logo-img { opacity: .75; }
.footer-logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
  margin-bottom: .25rem;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 999;
  padding: 1.2rem 0;
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: .8rem 0;
  box-shadow: 0 1px 0 var(--border);
}
.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-links a {
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: .5rem .85rem;
  border-radius: 4px;
  transition: color .25s, background .25s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text-primary); background: rgba(0,0,0,.04); }
.nav-links .nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: .5rem 1.2rem;
  border-radius: 4px;
  margin-left: .5rem;
}
.nav-links .nav-cta:hover { background: var(--accent-dark); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* ============================================================
   HERO (Estructura de Fondo con Imagen WebP Avanzada)
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 1.5rem 5rem;
}

/* Contenedor base del fondo */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(160deg, #ffffff 0%, #f5f7f9 50%, #e8eaed 100%);
  overflow: hidden; /* Crucial: recorta los bordes suavizados por el blur */
}

/* Capa de la foto WebP desenfocada */
.hero-bg-photo {
  position: absolute;
  inset: 0;
  background-image: url('./img/bghero.webp');
  background-size: cover;
  background-position: center;
  filter: blur(3px); /* Desenfoque sutil y ambiental */
  transform: scale(1.06); /* Escala ligeramente para ocultar imperfecciones del blur en las esquinas */
  opacity: 0.35; /* Opacidad calibrada para mantener el contraste perfecto con las tipografías oscuras */
  z-index: 1;
}

/* Capa de tinte cromático original */
.hero-bg-overlay-tint {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(ellipse 70% 60% at 30% 50%, rgba(120,34,31,.04) 0%, transparent 60%),
    radial-gradient(ellipse 50% 70% at 80% 60%, rgba(120,34,31,.02) 0%, transparent 60%);
  pointer-events: none;
}

/* Grilla estructural (Líneas actuales: quedan nítidas arriba de la foto) */
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

/* Textura técnica de ruido digital */
.hero-noise {
  position: absolute;
  inset: 0;
  z-index: 4;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: .3;
  pointer-events: none;
}

/* Líneas de escaneo industriales */
.hero-scanlines {
  position: absolute;
  inset: 0;
  z-index: 5;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,.02) 2px, rgba(0,0,0,.02) 4px);
  pointer-events: none;
}

.hero-inner {
  position: relative; z-index: 1;
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content { position: relative; z-index: 1; }
.hero-eyebrow {
  display: flex; align-items: center; gap: 1rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}
.eyebrow-line { flex: 0 0 32px; height: 1px; background: var(--border-hover); }
.hero-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.01em;
  margin-bottom: 1.2rem;
}
.title-line {
  display: block;
  font-size: clamp(3rem, 5.5vw, 5.5rem);
  color: var(--text-primary);
}
.title-line--accent { color: var(--accent); }
.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.hero-certs {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}
.cert-badge-inline {
  display: flex; align-items: center; gap: .6rem;
  background: rgba(120,34,31,.04);
  border: 1px solid rgba(120,34,31,.15);
  border-radius: 6px;
  padding: .6rem .9rem;
  transition: border-color .3s, box-shadow .3s;
}
.cert-badge-inline:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.cert-badge-inline--green {
  background: rgba(26,163,99,.04);
  border-color: rgba(26,163,99,.15);
}
.cert-badge-inline--green:hover {
  border-color: var(--accent-green);
  box-shadow: 0 4px 16px var(--accent-green-glow);
}
.cert-badge-inline svg { width: 26px; height: 26px; color: var(--accent); flex-shrink: 0; }
.cert-badge-inline--green svg { color: var(--accent-green); }
.cert-code {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .05em;
  color: var(--accent);
  line-height: 1.1;
}
.cert-badge-inline--green .cert-code { color: var(--accent-green); }
.cert-label {
  display: block; font-size: .65rem; color: var(--text-muted);
  letter-spacing: .04em; white-space: nowrap; font-weight: 600;
}

.hero-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }

.hero-stats {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--border);
}
.stat { text-align: left; }
.stat-number {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.stat-label { font-size: .65rem; color: var(--text-muted); letter-spacing: .08em; text-transform: uppercase; font-weight: 600; }
.stat-divider { width: 1px; height: 32px; background: var(--border); flex-shrink: 0; }

/* Hero visual (right) */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-img-wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
}

/* ── Foto real ── */
.hero-photo {
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: 16px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.06),
    0 24px 80px rgba(0,0,0,.65),
    0 0 60px rgba(120,34,31,.15);
}

.hero-img-label {
  position: absolute; bottom: -14px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: .5rem;
  background: rgba(255,255,255,.95);
  border: 1px solid var(--border-hover);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: .4rem 1rem;
  font-size: .75rem;
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,.05);
}
.img-label-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  animation: dotPulse 2s ease-in-out infinite; flex-shrink: 0;
}
@keyframes dotPulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .4; transform: scale(.7); }
}

.hero-scroll-indicator {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  z-index: 2; opacity: .6;
}
.hero-scroll-indicator span { font-size: .6rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--text-muted); }
.scroll-line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: .4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: 'Barlow', sans-serif; font-size: .95rem; font-weight: 600;
  padding: .75rem 1.6rem; border-radius: 4px; border: 2px solid transparent;
  cursor: pointer; transition: all .3s var(--ease);
  white-space: nowrap; text-decoration: none;
}
.btn svg { width: 18px; height: 18px; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover {
  background: var(--accent-dark); border-color: var(--accent-dark);
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-1px);
}
.btn-whatsapp { background: #25d366; color: #fff; border-color: #25d366; }
.btn-whatsapp:hover {
  background: #1cb855; border-color: #1cb855;
  box-shadow: 0 4px 20px rgba(37,211,102,.3);
  transform: translateY(-1px);
}
.btn-outline { background: transparent; color: var(--text-primary); border-color: var(--border-hover); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm   { padding: .5rem 1.1rem; font-size: .88rem; }
.btn-lg   { padding: .9rem 2rem; font-size: 1rem; }
.btn-full, .btn-block { width: 100%; justify-content: center; }

/* ============================================================
   EMPRESA
   ============================================================ */
.empresa-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.empresa-feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem 1.75rem;
  transition: border-color .3s, box-shadow .3s, transform .3s var(--ease);
}
.empresa-feature:hover {
  border-color: rgba(120,34,31,.2);
  box-shadow: 0 12px 32px rgba(0,0,0,.06), 0 0 0 1px var(--accent-glow);
  transform: translateY(-4px);
}
.feature-icon {
  width: 52px; height: 52px;
  background: var(--accent-glow);
  border: 1px solid rgba(120,34,31,.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
}
.feature-icon svg { width: 26px; height: 26px; }
.empresa-feature h3 {
  font-family: 'Barlow Condensed', sans-serif; font-size: 1.25rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: .6rem; letter-spacing: .02em;
}
.empresa-feature p { font-size: .95rem; color: var(--text-secondary); line-height: 1.65; }

/* ============================================================
   SERVICIOS
   ============================================================ */
.servicios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.servicio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color .3s, transform .3s var(--ease), box-shadow .3s;
  cursor: default;
}
.servicio-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.servicio-card:hover {
  border-color: rgba(120,34,31,.2);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,.08);
}
.servicio-card:hover::before { transform: scaleX(1); }
.servicio-number {
  font-family: 'Barlow Condensed', sans-serif; font-size: 3.5rem; font-weight: 800;
  color: rgba(120,34,31,.04); line-height: 1;
  position: absolute; top: 1rem; right: 1.25rem; letter-spacing: -.03em;
  transition: color .3s;
}
.servicio-card:hover .servicio-number { color: rgba(120,34,31,.08); }
.servicio-icon { width: 56px; height: 56px; color: var(--accent); margin-bottom: 1.25rem; }
.servicio-icon svg { width: 56px; height: 56px; }
.servicio-card h3 {
  font-family: 'Barlow Condensed', sans-serif; font-size: 1.3rem; font-weight: 700;
  letter-spacing: .02em; color: var(--text-primary); margin-bottom: .6rem;
}
.servicio-card p { font-size: .95rem; color: var(--text-secondary); line-height: 1.65; }
.servicio-arrow {
  width: 28px; height: 28px; color: var(--accent); margin-top: 1.25rem; opacity: 0;
  transform: translateX(-8px); transition: opacity .3s, transform .3s var(--ease);
}
.servicio-arrow svg { width: 28px; height: 28px; }
.servicio-card:hover .servicio-arrow { opacity: 1; transform: none; }

.servicio-card--cta {
  background: linear-gradient(135deg, rgba(120,34,31,.08), rgba(120,34,31,.02));
  border-color: rgba(120,34,31,.15);
  display: flex; align-items: center; justify-content: center; text-align: center;
}
.servicio-cta-content h3 {
  font-family: 'Barlow Condensed', sans-serif; font-size: 1.5rem; font-weight: 700;
  color: var(--accent); margin-bottom: .5rem;
}
.servicio-cta-content p { font-size: .95rem; color: var(--text-secondary); margin-bottom: 1.5rem; }

/* ============================================================
   TRABAJOS (Marquee JS Motor Físico - ARRASTRABLE)
   ============================================================ */
.trabajos {
  overflow-x: hidden;
  padding-bottom: 5rem;
  width: 100%;
}

.trabajos-marquee-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  width: 100vw;
  margin-left: calc(-50vw + 50%); /* Centrado full-width dinámico */
  position: relative;
  padding: 1rem 0;
  user-select: none; /* Previene seleccionar imágenes/texto al arrastrar */
}

/* Efecto de difuminado en los bordes */
.trabajos-marquee-wrapper::before,
.trabajos-marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 15vw;
  min-width: 100px;
  z-index: 2;
  pointer-events: none;
}
.trabajos-marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-primary) 0%, transparent 100%);
}
.trabajos-marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-primary) 0%, transparent 100%);
}

.marquee-row {
  width: 100vw;
  overflow: hidden;
  position: relative;
  display: flex;
  cursor: grab; /* Indica que se puede arrastrar */
}
.marquee-row:active {
  cursor: grabbing; /* Manito cerrada al arrastrar */
}

.marquee-track {
  display: inline-flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  width: max-content;
  /* Animaciones por JS para física real */
}

.trabajo-card {
  position: relative;
  width: 360px !important;
  flex: 0 0 360px !important;
  aspect-ratio: 4/3;
  margin-right: 1.5rem !important;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color .4s var(--ease), box-shadow .4s var(--ease), transform .4s var(--ease);
  pointer-events: auto;
  cursor: pointer;
}

.trabajo-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: block;
}

.trabajo-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(255,255,255,.95) 0%, rgba(255,255,255,.3) 60%, transparent 100%);
  opacity: 0; 
  transition: opacity .4s var(--ease); 
  display: flex; align-items: flex-end; padding: 1.5rem;
}

/* EFECTO HOVER PREMIUM */
/* Esto es un comentario de una sola línea  .marquee-row:not(:active) .trabajo-card { pointer-events: auto; } */

.trabajo-card:hover {
  border-color: rgba(120,34,31,.3);
  box-shadow: 0 16px 40px rgba(0,0,0,.08);
  transform: translateY(-4px);
}
.trabajo-card:hover .trabajo-overlay { opacity: 1; }
.trabajo-card:hover .trabajo-img { transform: scale(1.1); }

.trabajo-title {
  font-family: 'Barlow Condensed', sans-serif; font-size: 1.2rem; font-weight: 700;
  letter-spacing: .02em; color: var(--text-primary); display: flex; align-items: center; gap: .5rem;
}
.trabajo-title::before { content: ''; display: block; width: 24px; height: 2px; background: var(--accent); flex-shrink: 0; }
.trabajo-num {
  font-family: 'Barlow Condensed', sans-serif; font-size: .8rem; font-weight: 700; color: var(--accent);
  letter-spacing: .15em; text-transform: uppercase; margin-bottom: .25rem; display: block;
}

/* ============================================================
   CLIENTES (Rediseño Interactivo y Minimalista)
   ============================================================ */
.clientes-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); 
  gap: 1.5rem; 
  align-items: start; /* Crucial: evita que todas las tarjetas se estiren forzadamente si una sola se expande */
}

.cliente-card {
  background: var(--bg-card); 
  border: 1px solid var(--border); 
  border-radius: 8px;
  padding: 2.2rem 1.75rem; 
  display: flex; 
  flex-direction: column; 
  align-items: center;
  justify-content: center; 
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  min-height: 140px;
  position: relative;
  user-select: none;
  /* Transición unificada para lograr el efecto suave al expandirse */
  transition: border-color .4s var(--ease-out), 
              transform .4s var(--ease-out), 
              box-shadow .4s var(--ease-out),
              background-color .4s var(--ease-out);
}

/* Efecto Hover original preservando el estilo */
.cliente-card:hover {
  border-color: rgba(120,34,31,.25); 
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,.04);
  background: var(--bg-card-hover);
}

/* Contenedor adaptativo del Logo */
.cliente-logo-container {
  width: 100%;
  height: 55px; /* Altura fija para centrar y alinear todos los logos de forma simétrica */
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .4s var(--ease-out);
}

.cliente-img {
  max-width: 170px;
  max-height: 50px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%); /* Filtro sofisticado: monocromático por defecto */
  opacity: 0.55;
  transition: filter .4s var(--ease-out), opacity .4s var(--ease-out);
}

/* Al pasar el mouse, el logo gana viveza sutilmente antes del clic */
.cliente-card:hover .cliente-img {
  filter: grayscale(40%);
  opacity: 0.8;
}

/* Bloque oculto de texto descriptivo */
.cliente-description {
  max-height: 0;
  opacity: 0;
  transform: translateY(10px);
  visibility: hidden;
  transition: max-height .4s var(--ease-out), 
              opacity .3s var(--ease-out), 
              transform .4s var(--ease-out),
              visibility .4s;
}

.cliente-description p {
  font-size: .88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 500;
}

/* ============================================================
   ESTADO INTERACTIVO (Al hacer click se activa .is-expanded)
   ============================================================ */
.cliente-card.is-expanded {
  border-color: var(--accent);
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(120,34,31,.06), 0 0 0 1px var(--accent-glow);
}

/* El logo se agranda levemente y recupera su color real completo */
.cliente-card.is-expanded .cliente-logo-container {
  transform: scale(1.08);
}

.cliente-card.is-expanded .cliente-img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Despliegue fluido del texto descriptivo */
.cliente-card.is-expanded .cliente-description {
  max-height: 140px; /* Altura máxima suficiente para albergar las 2 oraciones libres */
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  margin-top: 1.5rem; /* Margen superior elegante solo cuando se abre */
}

/* ============================================================
   UBICACIÓN
   ============================================================ */
/* === SECCIÓN UBICACIÓN (DISEÑO RECTANGULAR INTEGRADO) === */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag { color: var(--accent); font-weight: 800; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 2px; }
.section-title { font-family: 'Barlow Condensed', sans-serif; font-size: 3rem; }
.section-title em { color: var(--accent); font-style: normal; }

.ubicacion-grid { 
  display: grid; 
  grid-template-columns: 400px 1fr; 
  gap: 3rem; 
  align-items: center; 
}

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

.info-block { display: flex; gap: 1.2rem; align-items: flex-start; }
.info-icon { 
  width: 48px; height: 48px; background: var(--accent-glow); color: var(--accent); 
  display: flex; align-items: center; justify-content: center; border-radius: 8px; flex-shrink: 0; 
}
.info-icon svg { width: 24px; height: 24px; }
.info-label { display: block; font-size: 0.75rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; margin-bottom: 0.3rem; }
.info-value { font-weight: 600; color: var(--text-primary); font-size: 1.05rem; }

/* Contenedor del Mapa */
.ubicacion-map-container { 
  width: 100%; 
  height: 450px; 
}

.map-frame { 
  width: 100%; 
  height: 100%; 
  border-radius: var(--radius); 
  overflow: hidden; 
  box-shadow: 0 20px 40px rgba(0,0,0,0.06); 
  border: 1px solid var(--border); 
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.contacto-info { padding-top: .5rem; }
.contacto-info .section-title { text-align: left; margin-bottom: 1rem; }
.contacto-info p { color: var(--text-secondary); margin-bottom: 1.5rem; line-height: 1.7; font-size: 1.05rem; }
.contacto-data p { font-size: 1rem; color: var(--text-secondary); }
.contacto-data { margin-bottom: 2rem; }

.contacto-form {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.04);
}
.form-group { margin-bottom: 1.5rem; position: relative; }
.form-group label {
  display: block; font-size: .85rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: .5rem;
}
.form-group input, .form-group textarea {
  width: 100%; background: #ffffff; border: 1px solid var(--border-hover); border-radius: 6px;
  padding: .85rem 1rem; color: var(--text-primary); font-family: 'Barlow', sans-serif; font-size: .95rem;
  transition: border-color .3s, box-shadow .3s; resize: none; outline: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #aab0b8; }
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group.has-error input, .form-group.has-error textarea { border-color: #e84855; }
.form-error { display: none; font-size: .8rem; font-weight: 600; color: #e84855; margin-top: .4rem; }
.form-group.has-error .form-error { display: block; }
.form-success { display: none; align-items: center; gap: .6rem; margin-top: 1rem; color: var(--accent-green); font-size: .95rem; font-weight: 600; }
.form-success.show { display: flex; }
.form-success svg { width: 20px; height: 20px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: #f0f2f5; border-top: 1px solid var(--border); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand .nav-logo { margin-bottom: 1rem; }
.footer-brand p { font-size: .95rem; color: var(--text-secondary); line-height: 1.65; max-width: 320px; margin-bottom: 1.25rem; }
.footer-certs { display: flex; gap: .5rem; }
.footer-cert {
  font-family: 'Barlow Condensed', sans-serif; font-size: .75rem; font-weight: 700; letter-spacing: .1em;
  padding: .25rem .6rem; border-radius: 3px; background: var(--accent-glow); color: var(--accent);
  border: 1px solid rgba(120,34,31,.2);
}
.footer-cert--green { background: var(--accent-green-glow); color: var(--accent-green); border-color: rgba(26,163,99,.2); }
.footer-links h4, .footer-contact h4 {
  font-family: 'Barlow Condensed', sans-serif; font-size: .9rem; font-weight: 800; letter-spacing: .15em;
  text-transform: uppercase; color: var(--text-primary); margin-bottom: 1.25rem;
}
.footer-links ul li { margin-bottom: .5rem; }
.footer-links ul a { font-size: .95rem; font-weight: 500; color: var(--text-secondary); transition: color .25s; }
.footer-links ul a:hover { color: var(--accent); }
.footer-contact p { font-size: .95rem; font-weight: 500; color: var(--text-secondary); margin-bottom: .4rem; }
.footer-contact a { color: var(--text-secondary); transition: color .25s; }
.footer-contact a:hover { color: var(--accent); }
.footer-wa {
  display: inline-flex; align-items: center; gap: .4rem; font-size: .9rem; font-weight: 600;
  color: #1aa363 !important; margin-top: .75rem;
}
.footer-wa:hover { color: #14804d !important; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem;
}
.footer-bottom p { font-size: .85rem; font-weight: 500; color: var(--text-muted); }
.footer-dev a { color: var(--accent); font-weight: 600; transition: color .25s; }
.footer-dev a:hover { color: var(--accent-dark); }

/* ============================================================
   WHATSAPP FLOTANTE
   ============================================================ */
.wa-float {
  position: fixed; bottom: 2rem; right: 2rem; width: 56px; height: 56px;
  background: #25d366; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4); z-index: 998; transition: transform .3s var(--ease), box-shadow .3s;
  animation: waFloat 3s ease-in-out infinite;
}
.wa-float svg { width: 28px; height: 28px; color: #fff; }
.wa-float:hover { transform: scale(1.1) translateY(-2px); box-shadow: 0 8px 30px rgba(37,211,102,.5); animation: none; }
@keyframes waFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }


/* ============================================================
   MODAL DE CERTIFICACIONES ISO (Estética Legal Premium)
   ============================================================ */
.cert-badge-inline {
  cursor: pointer; /* Indica visualmente que se puede clickear */
}

.cert-modal {
  position: fixed;
  inset: 0;
  background: rgba(26, 29, 32, 0.35); /* Fondo oscuro muy sutil */
  backdrop-filter: blur(8px); /* Difumina toda la landing por detrás */
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000; /* Asegura quedar por encima de la barra de navegación */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s var(--ease-out), visibility .4s;
}

/* Estado activo del modal */
.cert-modal.is-active {
  opacity: 1;
  visibility: visible;
}

.cert-modal-content {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  max-width: 1100px; 
  width: 95%; 
  padding: 2.5rem;
  position: relative;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.15);
  text-align: center;
  
  /* NUEVA ANIMACIÓN: Nace chiquito */
  transform: scale(0.1);
  /* Usamos una curva súper fluida para la expansión */
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.cert-modal.is-active .cert-modal-content {
  /* Termina en su tamaño real y original */
  transform: scale(1);
}

/* Botón cerrar (X) */
.cert-modal-close {
  position: absolute;
  top: .75rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .25s;
  line-height: 1;
}
.cert-modal-close:hover {
  color: var(--accent);
}

/* Contenedor adaptativo para enmarcar el certificado */
.cert-modal-img-wrap {
  width: 100%;
  background: var(--bg-secondary);
  border-radius: 6px;
  padding: 1rem;
  border: 1px solid var(--border);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-modal-img {
  max-width: 100%;
  height: auto;
  
  /* 3. ALTO DE LA IMAGEN: Usamos "vh" (Viewport Height). 
     75vh significa que la foto va a ocupar obligatoriamente el 75% del alto total de la pantalla del usuario.
     Esto evita que la imagen se vaya de pantalla hacia abajo y te asegura que se lea perfecta sin scroll. */
  max-height: 77vh; 
  
  object-fit: contain;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

/* Oración aclaratoria legal */
.cert-modal-text {
  font-family: 'Barlow', sans-serif;
  font-size: .92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 500;
}

/* Optimización para celulares */
@media (max-width: 576px) {
  .cert-modal { padding: 1rem; }
  .cert-modal-content { padding: 2rem 1.25rem 1.5rem; }
  .cert-modal-img { max-height: 320px; }
}

/* ============================================================
   RESPONSIVE (CORREGIDO Y OPTIMIZADO)
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { order: -1; }
  .hero-img-wrap { max-width: 420px; margin: 0 auto; }
  .empresa-grid { grid-template-columns: repeat(2, 1fr); }
  .servicios-grid { grid-template-columns: repeat(2, 1fr); }
  
  .contacto-layout { grid-template-columns: 1fr; gap: 3rem; }
  
  /* BUG CORREGIDO: Antes decía .ubicacion-layout */
  .ubicacion-grid { grid-template-columns: 1fr; gap: 2rem; } 
  .ubicacion-map-container { min-height: 360px; }
  
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-pad: 5rem 0; }
  .nav-links { 
    display: none; 
    position: fixed; 
    top: 0; left: 0; right: 0; bottom: 0;
    /* Forzamos el fondo sólido para evitar transparencia extraña */
    background: var(--bg-primary); 
    /* Quitamos el backdrop-filter si es lo que genera el "salto" o parpadeo */
    backdrop-filter: none;
    flex-direction: column; 
    align-items: center; 
    justify-content: center; 
    gap: 1.5rem; 
    z-index: 998;
    /* Aseguramos que siempre ocupe el tamaño total */
    height: 100vh;
    width: 100vw;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { font-size: 1.3rem; padding: .75rem 2rem; color: var(--text-primary); }
  .nav-links .nav-cta { margin-left: 0; margin-top: .5rem; }
  .nav-toggle { display: flex; z-index: 999; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { padding: 6rem 1.5rem 4rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { order: -1; }
  .hero-img-wrap { max-width: 320px; margin: 0 auto; }
  .title-line { font-size: clamp(2.6rem, 11vw, 4rem); }
  
  /* MEJORA MOBILE: Apilamos los botones y certificados del Hero */
  .hero-actions { flex-direction: column; align-items: stretch; width: 100%; gap: 0.75rem; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-certs { flex-direction: column; width: 100%; gap: 0.75rem; }
  .cert-badge-inline { width: 100%; justify-content: flex-start; padding: .75rem 1rem; }

  .reveal-left { transform: translateX(-100px); }
  .reveal-right { transform: translateX(100px); }
/* 2. Ajustamos la altura de la foto del hero para que no quede estirada */
  .hero-photo { height: 340px; }
  
  /* 3. Aseguramos que la foto no quede pegada a los bordes de la pantalla */
  .hero-img-wrap { width: 100%; max-width: 100%; padding: 0 1rem; }
  .empresa-grid { grid-template-columns: 1fr; }
  .servicios-grid { grid-template-columns: 1fr; }
  
  /* Marquee Responsive Fixes */
  .trabajo-card { 
    width: 280px !important; 
    flex: 0 0 280px !important; 
  }
  .trabajos-marquee-wrapper { gap: 1rem; }

  /* MEJORA MOBILE: Grilla de clientes ajustada */
  .clientes-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .cliente-card { padding: 1.5rem 1rem; min-height: 120px; }

  .contacto-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 1rem; }
}

@media (max-width: 480px) {
  /* En celulares muy chicos, 1 sola columna para que los logos no colapsen */
  .clientes-grid { grid-template-columns: 1fr; } 
  .contacto-form { padding: 1.5rem; }
  .section-title { font-size: 2.3rem; }
}