/* =====================================================
   LENVER — Proyectos (listado y detalle)
   ===================================================== */

/* ===== Fondo suave de la página (mismo criterio que Presupuesto/Contacto) ===== */
.proyectos-hero-bg {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding-top: 130px;
  padding-bottom: 30px;
  background: linear-gradient(180deg, #ffffff 0%, #f1fcfe 40%, #ffffff 100%);
}

.proyectos-hero-bg::before,
.proyectos-hero-bg::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(90px);
  z-index: -1;
  opacity: 0.28;
}

.proyectos-hero-bg::before {
  top: -140px;
  left: -110px;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
}

.proyectos-hero-bg::after {
  top: 280px;
  right: -140px;
  background: radial-gradient(circle, var(--color-logo-end) 0%, transparent 70%);
}

h1 {
  margin: 0 0 32px;
  text-align: center;
  font-size: 2.5rem;
  font-weight: bold;
  color: #222;
  font-family: 'Anton', 'Segoe UI', Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0;
  padding-top: 30px;
  transform: translateY(20px);
  animation: fadeInTitle 0.9s var(--ease-out) forwards;
}

/* Panel geométrico bicolor detrás del título (bordes rectos, sin difuminar) */
.titulo-manchas {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 30px 0;
}

.titulo-panel {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(560px, 88vw);
  height: 110px;
  border-radius: 10px;
  background: linear-gradient(
    100deg,
    var(--color-logo-start) 0%,
    var(--color-logo-start) 48%,
    var(--color-logo-end) 52%,
    var(--color-logo-end) 100%
  );
  opacity: 0.14;
  z-index: 0;
}

.titulo-manchas h1 {
  position: relative;
  z-index: 1;
}

@media (max-width: 600px) {
  .titulo-panel {
    height: 80px;
  }
}

/* Título de detalle: misma tipografía y bicolor que el logo LENVER */
#titulo {
  font-family: 'Anton', 'Segoe UI', Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.2;
}

#titulo .titulo-mitad-a {
  color: var(--color-logo-start);
}

#titulo .titulo-mitad-b {
  color: var(--color-logo-end);
}

@media (max-width: 600px) {
  #titulo {
    font-size: 1.7rem;
  }
}

@keyframes fadeInTitle {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Botón volver */
.btn-volver {
  position: static;
  margin: 0 0 24px 1rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  z-index: 1000;
  transition: background 0.3s var(--ease-smooth), transform 0.3s var(--ease-smooth);
  display: inline-block;
}

.btn-volver:hover {
  background: var(--color-primary-darker);
  transform: translateX(-4px) scale(1.03);
}

/* Grid de proyectos */
.grid,
#otros-proyectos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 2rem;
}

#otros-proyectos {
  margin-top: 2rem;
  padding: 1rem;
}

@media (max-width: 992px) {
  .grid,
  #otros-proyectos {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .grid,
  #otros-proyectos {
    grid-template-columns: 1fr;
  }
}

.card {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 10px 26px rgba(4, 23, 43, 0.14);
  transition: transform 0.35s var(--ease-smooth), box-shadow 0.35s var(--ease-smooth);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 34px rgba(4, 23, 43, 0.22);
}

.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease-smooth);
}

.card:hover img {
  transform: scale(1.06);
}

/* Velo oscuro en la parte baja para que el texto se lea sobre cualquier foto */
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 23, 43, 0) 45%, rgba(4, 23, 43, 0.82) 100%);
  pointer-events: none;
}

.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(0, 188, 212, 0.92);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 20px;
}

.card-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 18px;
}

.card-content h3 {
  margin: 0 0 4px;
  font-size: 1.15rem;
  color: #fff;
  text-align: left;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  opacity: 0.85;
  transition: opacity 0.3s var(--ease-smooth), transform 0.3s var(--ease-smooth);
}

.card:hover .card-link {
  opacity: 1;
  transform: translateX(3px);
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.7s var(--ease-out) forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#otros-proyectos .card-content h3 {
  font-size: 1.05rem;
}

.detalle-contenedor hr {
  margin: 2rem 0;
  border: none;
  border-top: 2px solid #eee;
}

.detalle-contenedor h2 {
  margin-bottom: 1rem;
  font-size: 1.6rem;
  color: #222;
  text-align: center;
}

/* Carrusel */
.carousel {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto 1.5rem;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.carousel-images {
  position: relative;
  width: 100%;
  height: 400px;
  overflow: hidden;
  background: #eee;
}

.carousel-images img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  z-index: 1;
}

.carousel-images img.active {
  opacity: 1;
  z-index: 2;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  border: none;
  font-size: 1.8rem;
  width: 44px;
  height: 44px;
  cursor: pointer;
  border-radius: 50%;
  z-index: 3;
  transition: opacity 0.5s ease-in-out, background 0.3s var(--ease-smooth), transform 0.2s var(--ease-smooth);
  opacity: 1;
}

.carousel-btn.prev { left: 10px; }
.carousel-btn.next { right: 10px; }

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.8);
  transform: translateY(-50%) scale(1.08);
}

.carousel-btn.hidden {
  opacity: 0;
  pointer-events: none;
}

.carousel-dots {
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
  transition: opacity 0.5s ease-in-out;
  opacity: 1;
}

.dot {
  height: 12px;
  width: 12px;
  background-color: rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s var(--ease-smooth), transform 0.2s var(--ease-smooth);
}

.dot:hover {
  transform: scale(1.25);
}

.dot.active {
  background-color: var(--color-primary);
}

.carousel-dots.hidden {
  opacity: 0;
  pointer-events: none;
}

.detalle-contenedor p#descripcion {
  background: #f9f9f9;
  padding: 1.2rem 1.5rem;
  border-radius: 8px;
  font-size: 1.15rem;
  line-height: 1.8;
  color: #333;
  max-width: 750px;
  margin: 2rem auto;
  text-align: justify;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInDesc 0.9s var(--ease-out) forwards;
}

@keyframes fadeInDesc {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Slider "antes / después" ===== */
.ba-slider {
  max-width: 800px;
  margin: 0 auto 1.5rem;
}

.ba-img-container {
  position: relative;
  width: 100%;
  height: 400px;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  cursor: ew-resize;
  user-select: none;
}

.ba-after {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.ba-before-wrap {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 50%;
  overflow: hidden;
  pointer-events: none;
}

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

.ba-handle {
  position: absolute;
  top: 0;
  left: 50%;
  height: 100%;
  width: 4px;
  background: #fff;
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.4);
}

.ba-handle i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  color: var(--color-primary-dark);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.ba-label {
  position: absolute;
  bottom: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  pointer-events: none;
  z-index: 2;
}

.ba-label-before { left: 12px; }
.ba-label-after { right: 12px; }

.ba-range {
  width: 100%;
  margin-top: 12px;
  accent-color: var(--color-primary);
  cursor: ew-resize;
}

@media (max-width: 600px) {
  .ba-img-container {
    height: 260px;
  }
}