/* Base & Utilities */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #fff;
}

/* Scroll Reveal */
.scroll-reveal {
    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);
}

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

.scroll-reveal.revealed:nth-child(2) { transition-delay: 0.1s; }
.scroll-reveal.revealed:nth-child(3) { transition-delay: 0.2s; }
.scroll-reveal.revealed:nth-child(4) { transition-delay: 0.3s; }
.scroll-reveal.revealed:nth-child(5) { transition-delay: 0.4s; }
.scroll-reveal.revealed:nth-child(6) { transition-delay: 0.5s; }

/* Hero Animations */
.hero-anim {
    opacity: 0;
    transform: translateY(30px);
    animation: heroIn 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.hero-anim:nth-child(1) { animation-delay: 0.2s; }
.hero-anim:nth-child(2) { animation-delay: 0.4s; }
.hero-anim:nth-child(3) { animation-delay: 0.6s; }
.hero-anim:nth-child(4) { animation-delay: 0.8s; }

@keyframes heroIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(10, 15, 30, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

.navbar-scrolled .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
}

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

.mobile-link {
    animation: mobileLinkIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    opacity: 0;
}

.mobile-link:nth-child(1) { animation-delay: 0.1s; }
.mobile-link:nth-child(2) { animation-delay: 0.15s; }
.mobile-link:nth-child(3) { animation-delay: 0.2s; }
.mobile-link:nth-child(4) { animation-delay: 0.25s; }
.mobile-link:nth-child(5) { animation-delay: 0.3s; }

@keyframes mobileLinkIn {
    to { opacity: 1; transform: translateY(0); }
    from { transform: translateY(20px); }
}

/* Gold shimmer on hover for service cards */
.group:hover .group-hover\:border-gold-500\/40 {
    border-color: rgba(201, 168, 76, 0.4);
}

/* Image hover overlay */
.overflow-hidden {
    position: relative;
}

.overflow-hidden::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 15, 30, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.overflow-hidden:hover::after {
    opacity: 1;
}

/* Subtle gold accent line on section dividers */
.border-t-gold {
    border-top-color: rgba(201, 168, 76, 0.15);
}

/* Input autofill styling for dark theme */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #0d1528 inset !important;
    -webkit-text-fill-color: #fff !important;
}

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

::-webkit-scrollbar-track {
    background: #0a0f1e;
}

::-webkit-scrollbar-thumb {
    background: rgba(201, 168, 76, 0.3);
    border-radius: 4px;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.2;
    }
}