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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 175, 55, 0.3);
    color: #f0f0f0;
}

/* Hero Animations */
.hero-anim {
    opacity: 0;
    transform: translateY(30px);
    animation: heroReveal 0.8s ease 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 heroReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .hero-anim {
        opacity: 1;
        transform: none;
        animation: none;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
    html {
        scroll-behavior: auto;
    }
    .service-card,
    .reveal img {
        transition: none;
    }
}

/* Navbar */
.nav-scrolled {
    background: rgba(3, 11, 24, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-scrolled .nav-link {
    color: rgba(255, 255, 255, 0.8);
}

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

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* Gold shimmer on hover for buttons */
button, a[href="#contact"] {
    position: relative;
    overflow: hidden;
}

button::after, a::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.5s ease;
}

button:hover::after, a:hover::after {
    left: 100%;
}

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

::-webkit-scrollbar-track {
    background: #030b18;
}

::-webkit-scrollbar-thumb {
    background: #1e3a5f;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4af37;
}

/* Gallery hover */
.reveal img {
    transition: transform 0.7s ease;
}

.reveal img:hover {
    transform: scale(1.1);
}

/* Mobile menu */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form focus styles */
input:focus, select:focus, textarea:focus {
    box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.3);
}

/* Image aspect ratios */
.aspect-square {
    aspect-ratio: 1 / 1;
}

/* Smooth transitions for all interactive elements */
a, button {
    transition: all 0.3s ease;
}

/* Select dropdown styling */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23d4af37' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Decorative diagonal lines */
.diagonal-accent {
    position: absolute;
    width: 1px;
    height: 120px;
    background: linear-gradient(to bottom, transparent, rgba(212, 175, 55, 0.3), transparent);
    transform: rotate(25deg);
}