/* 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(201, 168, 76, 0.25);
    color: #f0d78c;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: rgba(201, 168, 76, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(201, 168, 76, 0.5);
}

/* Scroll indicator animation */
@keyframes scrollIndicator {
    0% { transform: translateY(-100%); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
}

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

/* Navigation scroll state */
.nav-scrolled #navbar {
    background: rgba(5, 13, 26, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.08);
}

.nav-scrolled .nav-link {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* 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, rgba(201, 168, 76, 0), transparent);
    transition: background 0.5s ease;
}

.service-card:hover::before {
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.4), transparent);
}

/* Scroll reveal animations */
.reveal {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: none;
    }
    
    .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; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Floating cards animation */
@media (prefers-reduced-motion: no-preference) {
    .float-card-1 { animation: float1 6s ease-in-out infinite; }
    .float-card-2 { animation: float2 7s ease-in-out infinite; }
    .float-card-3 { animation: float3 5.5s ease-in-out infinite; }
    .float-card-4 { animation: float4 6.5s ease-in-out infinite; }
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(6px); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

@keyframes float4 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(7px); }
}

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

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

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

.mobile-menu-open .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.5rem;
}

/* Smooth section transitions */
section {
    position: relative;
}

/* Focus styles */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid rgba(201, 168, 76, 0.5);
    outline-offset: 2px;
}

/* Gold gradient text utility */
.text-gold-gradient {
    background: linear-gradient(135deg, #c9a84c, #f2d68a, #c9a84c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}