/* ===== BASE ===== */
*, *::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(200, 169, 97, 0.3);
  color: #fff;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #C8A961;
  transition: width 0.3s ease;
}

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

.nav-link:hover {
  color: #C8A961 !important;
}

/* Header scroll state */
#header.scrolled {
  background: rgba(8, 14, 26, 0.92);
  backdrop-blur-xl;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 1px 40px rgba(0, 0, 0, 0.3);
}

#header.scrolled .nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
}

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

.menu-line {
  display: block;
}

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

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

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

.mobile-link {
  position: relative;
}

.mobile-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: #C8A961;
  transition: width 0.3s ease;
}

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

/* ===== HERO FLOATING CARDS ===== */
.floating-card {
  animation: float1 6s ease-in-out infinite;
}

.floating-card-2 {
  animation: float2 7s ease-in-out infinite;
}

.floating-card-3 {
  animation: float3 5.5s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(0.5deg); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(10px) rotate(-0.5deg); }
}

@keyframes float3 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(0.3deg); }
}

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

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #C8A961, transparent);
  opacity: 0;
  transition: opacity 0.5s ease;
}

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

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(200, 169, 97, 0.05);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .floating-card,
  .floating-card-2,
  .floating-card-3 {
    animation: none;
  }

  .reveal {
    transition: none;
  }
}