/* ============================================
   LULUBELLE CARES — Premium Dark Luxury Styles
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(201, 168, 76, 0.3);
  color: #f0f4f8;
}

/* --- Grain Overlay --- */
.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}

/* --- Navbar --- */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #C9A84C;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

#navbar.scrolled {
  background: rgba(4, 10, 20, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.1);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* --- Mobile Menu --- */
.mobile-link {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
}

#mobile-menu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* --- Menu Button --- */
.menu-line {
  display: block;
}

#menu-btn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
}

#menu-btn.active .menu-line:nth-child(3) {
  width: 1.25rem;
  transform: rotate(-45deg) translate(3px, -3px);
}

/* --- Service Cards --- */
.service-card {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* --- Approach Cards --- */
.approach-card {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.approach-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* --- Testimonial Cards --- */
.testimonial-card {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* --- Back to Top --- */
.back-to-top {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

/* --- Scroll Reveal (Progressive Enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
  .reveal-delay-5 { transition-delay: 0.5s; }
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #040A14;
}

::-webkit-scrollbar-thumb {
  background: #1e3a5c;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #C9A84C;
}

/* --- Select styling --- */
select option {
  background: #0B1D3A;
  color: #d4dce8;
}

/* --- Focus styles --- */
input:focus,
textarea:focus,
select:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(201, 168, 76, 0.2);
}

/* --- Mobile responsive --- */
@media (max-width: 767px) {
  #hero h1 {
    font-size: 2.75rem;
  }

  #hero h1 br {
    display: none;
  }

  .floating-card {
    position: relative;
    margin-top: 1rem;
  }

  .stats-grid {
    gap: 1.5rem !important;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  #hero h1 {
    font-size: 3.5rem;
  }
}