/* ============================================
   Quality Quirks — Premium Dark Luxury Styles
   ============================================ */

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0A1628;
}
::-webkit-scrollbar-thumb {
    background: #D4A84B;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #C9982E;
}

/* Base & Typography */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

/* Selection */
::selection {
    background: rgba(212, 168, 75, 0.3);
    color: #ffffff;
}

/* ============================================
   Navigation
   ============================================ */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 168, 75, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: #D4A84B;
    transition: width 0.3s ease, left 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

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

.menu-line:last-child {
    width: 1.4rem;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(0.2rem, 0.2rem);
}

#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-btn.active .menu-line:nth-child(3) {
    width: 1.4rem;
    transform: rotate(-45deg) translate(0.15rem, -0.15rem);
}

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

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

/* ============================================
   Scroll Reveal Animations
   Only applied when JS is enabled and reduced motion is off
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    /* These are progressive enhancement — content is visible by default */
    .reveal[data-anim="fade-up"] {
        transform: translateY(30px);
    }
    
    .reveal[data-anim="fade-left"] {
        transform: translateX(-30px);
    }
    
    .reveal[data-anim="fade-right"] {
        transform: translateX(30px);
    }
}

/* Reduced motion: no animations */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

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

/* ============================================
   Image hover parallax-like effect
   ============================================ */
.group:hover img {
    filter: brightness(1.05);
}

/* ============================================
   Form focus states
   ============================================ */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 1px rgba(212, 168, 75, 0.3);
}

/* ============================================
   Responsive adjustments
   ============================================ */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }
}