/* Base styles and custom utilities */
:root {
    --navy-900: #0a1628;
    --navy-800: #132238;
    --gold-500: #d4a843;
    --gold-400: #e0bc5e;
}

html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .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; }
}

/* Service card stagger animation */
.service-card {
    opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
    .service-card {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1), transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    }
    
    .service-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar transition */
.nav-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

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

::-webkit-scrollbar-track {
    background: var(--navy-900);
}

::-webkit-scrollbar-thumb {
    background: var(--gold-500);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold-400);
}

/* Selection color */
::selection {
    background: var(--gold-500);
    color: var(--navy-900);
}