/* ============================================
   Performance Race Solutions — Custom Styles
   ============================================ */

/* Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: rgba(16, 185, 129, 0.3);
    color: #fdf9ed;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0d1117;
}
::-webkit-scrollbar-thumb {
    background: rgba(16, 185, 129, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(16, 185, 129, 0.5);
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(13, 17, 23, 0.92) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Service cards */
.service-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                border-color 0.4s ease,
                background-color 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Floating stat cards animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.floating-card-1 { animation: float 4s ease-in-out infinite; }
.floating-card-2 { animation: float 4s ease-in-out 0.5s infinite; }
.floating-card-3 { animation: float 4s ease-in-out 1s infinite; }
.floating-card-4 { animation: float 4s ease-in-out 1.5s infinite; }

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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);
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Mobile menu transitions */
#mobileMenu {
    transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                opacity 0.3s ease;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

#mobileMenu.open {
    max-height: 400px;
    opacity: 1;
}

.mobile-link {
    transition: padding-left 0.3s ease;
}

.mobile-link:hover {
    padding-left: 8px;
}

/* Input autofill styling for dark theme */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #1a2030 inset !important;
    -webkit-text-fill-color: #fdf9ed !important;
}

/* Button focus states */
button:focus-visible,
a:focus-visible {
    outline: 2px solid #10b981;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Image loading placeholder */
img {
    background-color: #161b22;
}

/* Subtle grain texture overlay for hero */
#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

#hero > *:not(::before) {
    position: relative;
    z-index: 2;
}