/* ============================================
   LV Ristrutturazioni – Custom Styles
   ============================================ */

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* ---- Navbar scroll effect ---- */
.navbar-scrolled {
  background-color: rgba(255, 255, 255, 0.97) !important;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(10px);
}

.navbar-scrolled .logo-text {
  color: #1A1A1A !important;
}

/* ---- Hero overlay ---- */
.hero-overlay {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.72) 0%, rgba(26, 26, 26, 0.35) 100%);
}

/* ---- Service card hover ---- */
.service-card {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.10);
}

.service-card .detail-link {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.service-card:hover .detail-link {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Project filter buttons ---- */
.filter-btn {
  transition: color 0.25s ease, border-color 0.25s ease;
}

.filter-btn.active {
  color: #E1251B;
  border-bottom: 2px solid #E1251B;
}

/* ---- Before/After Slider ---- */
.ba-slider {
  position: relative;
  overflow: hidden;
  cursor: col-resize;
}

.ba-slider .ba-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
}

.ba-slider .ba-after img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ba-slider .ba-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background: #E1251B;
  transform: translateX(-50%);
  z-index: 10;
  cursor: col-resize;
}

.ba-slider .ba-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: #E1251B;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.ba-slider .ba-handle::before {
  content: '◀ ▶';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 10px;
  z-index: 11;
  letter-spacing: 4px;
  white-space: nowrap;
}

/* ---- Project card overlay ---- */
.project-card {
  overflow: hidden;
}

.project-card .project-overlay {
  opacity: 0;
  transition: opacity 0.35s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

/* ---- Instagram grid hover ---- */
.insta-item {
  overflow: hidden;
}

.insta-item img {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.insta-item:hover img {
  transform: scale(1.08);
}

.insta-item .insta-overlay {
  opacity: 0;
  transition: opacity 0.35s ease;
}

.insta-item:hover .insta-overlay {
  opacity: 1;
}

/* ---- Contact map greyscale ---- */
.map-greyscale iframe {
  filter: grayscale(100%) contrast(1.1);
  transition: filter 0.4s ease;
}

.map-greyscale:hover iframe {
  filter: grayscale(40%);
}

/* ---- CTA Button pulse ---- */
.cta-btn {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(225, 37, 27, 0.35);
}

/* ---- Section fade-in animation ---- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Mobile menu ---- */
.mobile-menu {
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
  transform: translateX(0);
}

/* ---- Thin separator line ---- */
.section-divider {
  border: none;
  height: 1px;
  background-color: #E5E5E5;
}

/* ---- Select styling ---- */
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231A1A1A' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px;
}

/* ---- Mobile overlay ---- */
.mobile-overlay {
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.mobile-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ---- Hamburger scroll color ---- */
.navbar-scrolled .hamburger-btn {
  color: #1A1A1A;
}

/* ---- Touch-friendly: show overlay on mobile always ---- */
@media (max-width: 639px) {
  .project-card .project-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(26, 26, 26, 0.6) 0%, transparent 50%);
  }

  .insta-item .insta-overlay {
    opacity: 0.6;
  }

  .service-card:hover {
    transform: none;
    box-shadow: none;
  }

  .service-card .detail-link {
    opacity: 1;
    transform: translateY(0);
  }

  .ba-slider .ba-handle::after {
    width: 32px;
    height: 32px;
  }

  .ba-slider .ba-handle::before {
    font-size: 8px;
    letter-spacing: 2px;
  }
}

/* ---- Prevent horizontal overflow ---- */
body {
  overflow-x: hidden;
}