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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(251, 191, 36, 0.3);
    color: #fbbf24;
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0d0a14;
}
::-webkit-scrollbar-thumb {
    background: #581c87;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #7e22ce;
}

/* === Animations === */
@keyframes pulse-slow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

@keyframes scroll-line {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

.animate-pulse-slow {
    animation: pulse-slow 4s ease-in-out infinite;
}

.animate-scroll-line {
    animation: scroll-line 2s ease-in-out infinite;
}

/* === Scroll Reveal (progressive enhancement) === */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .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; }
}

/* === Navbar Glass Effect === */
.navbar-scrolled {
    background: rgba(13, 10, 20, 0.85) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* === Gold shimmer on hover for cards === */
.card-glow:hover {
    box-shadow: 0 0 40px rgba(251, 191, 36, 0.08);
}

/* === Image hover container === */
img {
    display: block;
    max-width: 100%;
}

/* === Mobile menu transitions === */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

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

/* === Responsive adjustments === */
@media (max-width: 768px) {
    .font-display {
        line-height: 1.15;
    }
}