/* ===== Custom Styles for Olympic Donut ===== */

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

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

/* Selection */
::selection {
    background: #fbbf24;
    color: #3b0764;
}

/* ===== Animations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* ===== Scroll Reveal ===== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up {
    transform: translateY(0);
}

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

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .animate-float {
        animation: none;
    }
}

/* ===== Navbar Transition ===== */
#navbar {
    backdrop-filter: blur(0px);
    background: transparent;
}

#navbar.scrolled {
    background: rgba(59, 7, 100, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #fbbf24;
    transition: width 0.3s ease, left 0.3s ease;
}

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

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

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

.mobile-nav-link {
    position: relative;
    padding-left: 0;
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 100%;
    background: rgba(251, 191, 36, 0.1);
    border-radius: 8px;
    transition: width 0.3s ease;
}

.mobile-nav-link:hover::before {
    width: calc(100% - 16px);
}

/* ===== Card Hover Effects ===== */
.group:hover .group-hover\\:scale-105 {
    transform: scale(1.05);
}

/* ===== Smooth Image Loading ===== */
img {
    loading: lazy;
}

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #fbbf24;
    outline-offset: 2px;
    border-radius: 4px;
}

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

::-webkit-scrollbar-track {
    background: #3b0764;
}

::-webkit-scrollbar-thumb {
    background: #7e22ce;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9333ea;
}

/* ===== Button Ripple Effect ===== */
button, a {
    -webkit-tap-highlight-color: transparent;
}

/* ===== Responsive Typography ===== */
@media (max-width: 640px) {
    .font-serif {
        line-height: 1.1;
    }
}

/* ===== Print Styles ===== */
@media print {
    #navbar,
    .animate-float,
    iframe {
        display: none;
    }
}