/* ============================================
   Audio Trixx and Tint — Custom Styles
   ============================================ */

/* Base & Reset */
*, *::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(13, 148, 136, 0.4);
  color: white;
}

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

::-webkit-scrollbar-track {
  background: #0f172a;
}

::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* ============================================
   Navigation
   ============================================ */
#navbar {
  transition: background-color 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Mobile menu button animation */
.menu-line {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuBtn.active .menu-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

#menuBtn.active .menu-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
  width: 24px;
  margin-right: 0;
  margin-left: 0;
}

/* Mobile menu */
#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-link {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

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

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

/* ============================================
   Hero Section
   ============================================ */
#hero {
  position: relative;
}

#hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, #020617, transparent);
  pointer-events: none;
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
  transition: transform 0.4s ease, border-color 0.5s ease, box-shadow 0.4s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* ============================================
   Gallery
   ============================================ */
.gallery-item {
  cursor: pointer;
  transition: transform 0.4s ease;
}

.gallery-item:hover {
  transform: scale(1.01);
}

/* ============================================
   Scroll Reveal Animations
   (progressive enhancement — content visible without JS)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }

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

  /* Staggered delays for grid items */
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
}

/* ============================================
   Form Styles
   ============================================ */
select option {
  background: #1e293b;
  color: white;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
  .font-serif {
    line-height: 1.1;
  }

  #hero {
    min-height: 100vh;
  }

  #hero::after {
    height: 100px;
  }
}

@media (max-width: 640px) {
  .max-w-7xl {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}