/* Base styles & custom utilities */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* Selection color */
::selection {
    background-color: rgba(212, 168, 67, 0.3);
    color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a0f1e;
}
::-webkit-scrollbar-thumb {
    background: #1a2342;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #d4a843;
}

/* Scroll reveal animations — progressive enhancement only */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.hidden-reveal {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal.hidden-reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Gold shimmer on hover for buttons */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(10, 15, 30, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 168, 67, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

nav.scrolled .navbar-logo {
    color: #d4a843;
}

/* Image hover zoom container */
img {
    display: block;
}

/* Form styles */
input, textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    width: 100%;
    font-size: 0.875rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus, textarea:focus {
    outline: none;
    border-color: rgba(212, 168, 67, 0.5);
    box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.1);
}

input::placeholder, textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* Success message */
.success-message {
    display: none;
    background: rgba(212, 168, 67, 0.1);
    border: 1px solid rgba(212, 168, 67, 0.3);
    color: #d4a843;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    margin-top: 1rem;
    font-size: 0.875rem;
}

.success-message.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

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

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

/* Gold line accent */
.gold-line {
    position: relative;
}
.gold-line::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #d4a843, transparent);
}