/* ========================================
   STEREOLINE — Custom Styles
   Classic & Elegant Audio Retailer
   ======================================== */

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

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

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: #c9a84c;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4b85e;
}

/* Selection Color */
::selection {
    background: #c9a84c;
    color: #0a1628;
}

/* ========================================
   Reveal Animations (Progressive Enhancement)
   ======================================== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
    }

    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
    }

    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
    }

    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translate(0);
    }
}

/* ========================================
   Navbar Scroll State
   ======================================== */
.navbar-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(12px);
    padding-top: 1rem !important;
    padding-bottom: 1rem !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Mobile Menu Transitions
   ======================================== */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s 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; }

/* ========================================
   Form Focus States
   ======================================== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ========================================
   Gold Accent Line
   ======================================== */
.gold-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #c9a84c, transparent);
}

/* ========================================
   Image Hover Zoom Effect
   ======================================== */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ========================================
   Button Hover Lift
   ======================================== */
button, .hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

button:hover, .hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(10, 22, 40, 0.2);
}

/* ========================================
   Smooth Image Loading
   ======================================== */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

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