/* ═══════════════════ BASE & RESET ═══════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  overflow-x: hidden;
}

::selection {
  background: rgba(212, 168, 83, 0.3);
  color: #f0d48a;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #070d1e;
}

::-webkit-scrollbar-thumb {
  background: #162547;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #d4a853;
}

/* ═══════════════════ NAVBAR ═══════════════════ */
#navbar {
  background: transparent;
}

#navbar.scrolled {
  background: rgba(3, 7, 16, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(212, 168, 83, 0.1);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ═══════════════════ MOBILE MENU ═══════════════════ */
.mobile-link {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

#mobileMenu.closed {
  opacity: 0;
  pointer-events: none;
}

/* ═══════════════════ SCROLL INDICATOR ═══════════════════ */
@keyframes scrollIndicator {
  0% {
    top: 0;
    opacity: 1;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

.animate-scroll-indicator {
  animation: scrollIndicator 1.5s ease-in-out infinite;
}

/* ═══════════════════ SERVICE CARDS ═══════════════════ */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.service-card:hover::before {
  opacity: 1;
}

/* ═══════════════════ GALLERY ═══════════════════ */
.gallery-item {
  position: relative;
  cursor: pointer;
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(3, 7, 16, 0.4) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.gallery-item:hover::after {
  opacity: 1;
}

/* ═══════════════════ TESTIMONIALS ═══════════════════ */
.testimonial-card {
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

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

/* ═══════════════════ SCROLL REVEAL ═══════════════════ */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* For progressive enhancement: animations only apply when JS is available and user prefers motion */
@media (prefers-reduced-motion: no-preference) {
  .reveal-hidden {
    opacity: 0;
    transform: translateY(30px);
  }

  .reveal-hidden.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
}

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

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

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