/* Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

.animate-scroll-indicator {
    height: 100%;
    width: 100%;
    animation: scrollIndicator 1.5s ease-in-out infinite;
}

/* Service Card Hover */
.service-card {
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Navbar Transition */
#navbar.scrolled {
    background: rgba(13, 21, 36, 0.95);
    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 */
#mobileMenu.open {
    transform: translateX(0);
}

/* Custom Select Dropdown */
select option {
    background: #1a2744;
    color: #fff;
    padding: 12px;
}

/* Selection */
::selection {
    background: rgba(212, 168, 83, 0.3);
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #0d1524;
}

::-webkit-scrollbar-thumb {
    background: #2e4060;
    border-radius: 4px;
}

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

/* Scroll Reveal Animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }

    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Reduced motion - ensure content is always visible */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }

    .animate-scroll-indicator {
        animation: none;
    }
}