/* ===== 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(123, 30, 58, 0.6);
  color: #fff;
}

/* ===== NAVBAR ===== */
#navbar.scrolled {
  background: rgba(26, 20, 32, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ===== MOBILE MENU ===== */
#mobile-menu.open {
  max-height: 400px;
}

#mobile-menu.open #menu-icon span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

#mobile-menu.open #menu-icon span:nth-child(2) {
  opacity: 0;
}

#mobile-menu.open #menu-icon span:nth-child(3) {
  width: 100%;
  margin: 0;
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO FLOATING CARDS ===== */
.floating-card-1 {
  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;
}

.floating-card-4 {
  animation: float4 6.5s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-18px) rotate(1deg); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(-1deg); }
}

@keyframes float3 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(0.5deg); }
}

@keyframes float4 {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

/* ===== SERVICE CARDS ===== */
.service-card {
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.4s ease,
              border-color 0.4s ease;
}

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

/* ===== STEP CARDS ===== */
.step-card {
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.step-card:hover {
  transform: translateY(-6px);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

@media (prefers-reduced-motion: no-preference) {
  .reveal-hidden {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

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

  .reveal-hidden.delay-1 { transition-delay: 0.1s; }
  .reveal-hidden.delay-2 { transition-delay: 0.2s; }
  .reveal-hidden.delay-3 { transition-delay: 0.3s; }
  .reveal-hidden.delay-4 { transition-delay: 0.4s; }
  .reveal-hidden.delay-5 { transition-delay: 0.5s; }
  .reveal-hidden.delay-6 { transition-delay: 0.6s; }
}

/* ===== GOLD SHIMMER ===== */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #1a1420;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(to bottom, #7B1E3A, #3d0e1c);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(to bottom, #a82547, #7B1E3A);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .floating-card-1,
  .floating-card-2,
  .floating-card-3,
  .floating-card-4 {
    display: none;
  }
}