/* ============================================================
   CONSTRUFACH — FACHADAS DE EDIFICIOS
   Estilo: editorial arquitectura — imponente, estructural, limpio
   ============================================================ */

/* ── Variables locales ─────────────────────────────────────── */
:root {
  --gray-warm: #f0ede8;
  --gray-mid:  #e4e0da;
}

/* ============================================================
   HERO
   ============================================================ */
.fachadas-hero {
  position: relative;
  height: 100vh;
  min-height: 580px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.fachadas-hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.fachadas-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(7, 31, 52, 0.92) 0%,
    rgba(7, 31, 52, 0.55) 50%,
    rgba(7, 31, 52, 0.2) 100%
  );
  z-index: 1;
}

.fachadas-hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 0 3rem 6rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.fachadas-eyebrow {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.fachadas-eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--red);
  flex-shrink: 0;
}

.fachadas-hero-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(4rem, 10vw, 9rem);
  font-weight: 700;
  line-height: 0.95;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: -0.03em;

  /* Animación de entrada */
  opacity: 0;
  transform: translateY(30px);
  animation: hero-title-in 0.9s 0.3s var(--ease-out-expo) forwards;
}

@keyframes hero-title-in {
  to { opacity: 1; transform: translateY(0); }
}

.fachadas-hero-sub {
  font-family: 'Barlow', sans-serif;
  font-size: 1rem;
  font-weight: 300;
  color: rgba(255,255,255,0.7);
  line-height: 1.65;
  max-width: 480px;
  opacity: 0;
  animation: hero-title-in 0.8s 0.55s var(--ease-out-expo) forwards;
}

/* Flecha scroll animada */
.fachadas-hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  right: 3rem;
  z-index: 2;
  opacity: 0;
  animation: hero-title-in 0.6s 1s ease forwards;
}

.fachadas-hero-scroll span {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.5));
  margin: 0 auto;
  animation: scroll-line 2s 1.5s ease-in-out infinite;
}

@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── CTA botón (reutilizable) ──────────────────────────────── */
.fachadas-cta {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--white);
  background: var(--red);
  border: 2px solid var(--red);
  padding: 0.8rem 1.75rem;
  align-self: flex-start;
  position: relative;
  overflow: hidden;
  transition: color 0.3s ease, border-color 0.3s ease;
  opacity: 0;
  animation: hero-title-in 0.7s 0.75s var(--ease-out-expo) forwards;
}

/* En secciones sin animación de entrada */
.fachadas-cta-section .fachadas-cta,
.fachadas-cta-actions .fachadas-cta {
  opacity: 1;
  animation: none;
}

.fachadas-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out-expo);
}

.fachadas-cta:hover {
  color: var(--red);
  border-color: var(--red);
}

.fachadas-cta:hover::before { transform: scaleX(1); }

.fachadas-cta .material-symbols-outlined,
.fachadas-cta > * { position: relative; z-index: 1; }

.fachadas-cta .material-symbols-outlined {
  font-size: 1rem;
  transition: transform 0.25s ease;
}

.fachadas-cta:hover .material-symbols-outlined {
  transform: translate(3px, -3px);
}

/* ============================================================
   HELPERS COMUNES DE SECCIÓN
   ============================================================ */
.fachadas-sub-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.fachadas-sub-title::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--red);
  flex-shrink: 0;
}

.fachadas-section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.fachadas-section-title .colored { color: var(--red); }

.fachadas-body {
  font-family: 'Barlow', sans-serif;
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.75;
  color: #5a6a7a;
}

.fachadas-body strong { color: var(--navy); font-weight: 600; }

/* ============================================================
   INTRO
   ============================================================ */
.fachadas-intro {
  background: var(--white);
  padding: 7rem 3rem;
  border-bottom: 1px solid var(--gray-mid);
}

.fachadas-intro-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.fachadas-intro-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Features list */
.fachadas-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.fachadas-features li {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--gray-mid);
  transition: background 0.2s ease;
}

.fachadas-features li:first-child {
  border-top: 1px solid var(--gray-mid);
}

.feat-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--red);
  flex-shrink: 0;
  margin-top: 2px;
}

.fachadas-features li strong {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  display: block;
  margin-bottom: 0.3rem;
}

.fachadas-features li p {
  font-family: 'Barlow', sans-serif;
  font-size: 0.87rem;
  font-weight: 300;
  color: #7a8a9a;
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   CASO ORT
   ============================================================ */
.fachadas-caso {
  background: var(--gray-warm);
  padding: 7rem 3rem;
  position: relative;
  overflow: hidden;
}

.fachadas-caso::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
}

.fachadas-caso-header {
  max-width: 1280px;
  margin: 0 auto 4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fachadas-caso-header .fachadas-section-title {
  color: var(--navy);
}

.fachadas-caso-header .fachadas-body {
  max-width: 640px;
}

/* ── Video ─────────────────────────────────────────────────── */
.fachadas-video-wrapper {
  max-width: 1280px;
  margin: 0 auto 4rem;
  position: relative;
  background: var(--navy);
}

.fachadas-video-wrapper::before {
  content: '';
  position: absolute;
  top: -6px; left: -6px;
  right: 6px; bottom: 6px;
  border: 2px solid var(--red);
  z-index: 0;
  pointer-events: none;
}

.fachadas-video-wrapper video {
  position: relative;
  z-index: 1;
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  display: block;
}

/* ── Galería ───────────────────────────────────────────────── */
.fachadas-gallery {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.fachadas-gallery-item {
  margin: 0;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--navy);
}

.fachadas-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out-expo), filter 0.4s ease;
}

.fachadas-gallery-item figcaption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(7,31,52,0.85));
  color: rgba(255,255,255,0.85);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1.5rem 1rem 0.75rem;
  transform: translateY(100%);
  transition: transform 0.4s var(--ease-out-expo);
}

.fachadas-gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  transition: border-color 0.3s ease;
  pointer-events: none;
}

.fachadas-gallery-item:hover img {
  transform: scale(1.06);
  filter: brightness(0.85);
}

.fachadas-gallery-item:hover figcaption {
  transform: translateY(0);
}

.fachadas-gallery-item:hover::after {
  border-color: var(--red);
}

/* Item grande — primero ocupa 2 columnas */
.fachadas-gallery-item:first-child {
  grid-column: span 2;
}

/* ============================================================
   SERVICIOS ESPECÍFICOS
   ============================================================ */
.fachadas-servicios {
  background: var(--navy);
  padding: 7rem 3rem;
  position: relative;
  overflow: hidden;
}

.fachadas-servicios::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.fachadas-servicios-inner {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.fachadas-servicios-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 4rem;
}

.fachadas-servicios-header .fachadas-section-title {
  color: var(--white);
}

.fachadas-servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
}

.fachadas-servicio {
  background: var(--navy);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  transition: background 0.3s ease;
}

.fachadas-servicio:hover {
  background: rgba(255,255,255,0.04);
}

.fachadas-servicio-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--red);
}

.fachadas-servicio h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  transition: color 0.25s ease;
}

.fachadas-servicio:hover h3 { color: var(--red); }

.fachadas-servicio p {
  font-family: 'Barlow', sans-serif;
  font-size: 0.87rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
}

/* Línea roja que aparece arriba al hover */
.fachadas-servicio::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out-expo);
}

.fachadas-servicio:hover::before { transform: scaleX(1); }

/* Stagger */
.fachadas-servicios-grid .animate-on-scroll:nth-child(1) { transition-delay: 0.05s; }
.fachadas-servicios-grid .animate-on-scroll:nth-child(2) { transition-delay: 0.12s; }
.fachadas-servicios-grid .animate-on-scroll:nth-child(3) { transition-delay: 0.19s; }
.fachadas-servicios-grid .animate-on-scroll:nth-child(4) { transition-delay: 0.26s; }
.fachadas-servicios-grid .animate-on-scroll:nth-child(5) { transition-delay: 0.33s; }
.fachadas-servicios-grid .animate-on-scroll:nth-child(6) { transition-delay: 0.40s; }

/* ============================================================
   CTA FINAL
   ============================================================ */
.fachadas-cta-section {
  background: var(--white);
  border-top: 3px solid var(--red);
  padding: 6rem 3rem;
}

.fachadas-cta-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.fachadas-cta-text h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--navy);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.fachadas-cta-text p {
  font-family: 'Barlow', sans-serif;
  font-size: 0.95rem;
  color: #7a8a9a;
  margin-top: 0.5rem;
}

.fachadas-cta-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.fachadas-cta-wsp {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #1a7a4a;
  border: 2px solid #25D366;
  padding: 0.8rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: color 0.3s ease;
}

.fachadas-cta-wsp::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #25D366;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out-expo);
}

.fachadas-cta-wsp:hover { color: var(--white); }
.fachadas-cta-wsp:hover::before { transform: scaleX(1); }

.fachadas-cta-wsp i,
.fachadas-cta-wsp span,
.fachadas-cta-wsp > * { position: relative; z-index: 1; }

.fachadas-cta-wsp i { font-size: 1.1rem; }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.fachadas-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(7, 31, 52, 0.97);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);

  opacity: 0;
  transition: opacity 0.35s ease;
}

.fachadas-lightbox:not([hidden]) {
  display: flex;
  opacity: 1;
}

.lightbox-img-wrapper {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

#lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  display: block;
  transition: opacity 0.25s ease;
}

.lightbox-caption {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lightbox-close:hover {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .fachadas-intro-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .fachadas-servicios-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .fachadas-cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .fachadas-hero-content {
    padding: 0 1.5rem 5rem;
  }

  .fachadas-intro,
  .fachadas-caso,
  .fachadas-servicios,
  .fachadas-cta-section {
    padding: 4rem 1.5rem;
  }

  .fachadas-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .fachadas-gallery-item:first-child {
    grid-column: span 2;
  }

  .fachadas-servicios-grid {
    grid-template-columns: 1fr;
  }

  .fachadas-cta-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .fachadas-cta,
  .fachadas-cta-wsp {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .fachadas-gallery {
    grid-template-columns: 1fr;
  }

  .fachadas-gallery-item:first-child {
    grid-column: span 1;
  }
}