/* Base & Typography */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(147, 51, 234, 0.15);
    color: #581c87;
}

/* Hero Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

/* Scroll Reveal */
.reveal-section {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-section[data-revealed="false"] {
    opacity: 0;
    transform: translateY(40px);
}

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

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(107, 33, 168, 0.08);
}

.nav-text-color {
    color: rgba(88, 28, 135, 0.85);
    transition: color 0.4s ease;
}

#navbar.scrolled .nav-text-color {
    color: #581c87;
}

.nav-icon-color {
    color: #7e22ce;
    transition: color 0.4s ease;
}

#navbar.scrolled .nav-icon-color {
    color: #6b21a8;
}

.nav-icon-accent {
    color: #fbbf24;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #f59e0b;
    transition: width 0.3s ease;
}

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

#navbar.scrolled .nav-link {
    color: rgba(88, 28, 135, 0.7);
}

#navbar.scrolled .nav-link:hover {
    color: #581c87;
}

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

.mobile-nav-link {
    padding: 0.25rem 0;
    border-bottom: 1px solid rgba(107, 33, 168, 0.06);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #f59e0b;
    outline-offset: 2px;
    border-radius: 4px;
}

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

::-webkit-scrollbar-track {
    background: #faf5ff;
}

::-webkit-scrollbar-thumb {
    background: #d8b4fe;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a855f7;
}