/* Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0d1f3c;
}
::-webkit-scrollbar-thumb {
    background: #c9a84c;
    border-radius: 4px;
}

/* Reveal Animations */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }

    .reveal.visible {
        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; }
}

/* Hero Animations */
@media (prefers-reduced-motion: no-preference) {
    .hero-subtitle {
        animation: slideUp 0.8s ease forwards;
        animation-delay: 0.2s;
        opacity: 0;
    }

    .hero-title {
        animation: slideUp 0.8s ease forwards;
        animation-delay: 0.4s;
        opacity: 0;
    }

    .hero-desc {
        animation: slideUp 0.8s ease forwards;
        animation-delay: 0.6s;
        opacity: 0;
    }

    .hero-cta {
        animation: slideUp 0.8s ease forwards;
        animation-delay: 0.8s;
        opacity: 0;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar */
#navbar {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background-color: rgba(13, 31, 60, 0.97);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.15);
    backdrop-filter: blur(10px);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #c9a84c;
    transition: width 0.3s ease;
}

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

/* Service Cards */
.service-card {
    transition: transform 0.4s ease, border-color 0.4s ease;
}

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

/* Mobile Menu */
#mobile-menu.open {
    transform: translateX(0);
}

#mobile-menu:not(.open) {
    transform: translateX(100%);
}

/* Input Focus */
input:focus, textarea:focus {
    outline: none;
}

/* Selection */
::selection {
    background-color: #c9a84c;
    color: #0d1f3c;
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
}