/* Base & Resets */
*, *::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(168, 85, 247, 0.3);
    color: #f9f5ff;
}

/* 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);
    }
}

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

/* Reveal animations — progressive enhancement, only when JS runs */
@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:nth-child(2) {
        transition-delay: 0.1s;
    }

    .reveal:nth-child(3) {
        transition-delay: 0.2s;
    }
}

/* Fallback: ensure content is visible even without JS */
.no-js .reveal,
.reveal {
    opacity: 1;
    transform: none;
}

/* Navbar */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #fbbf24;
}

/* Mobile menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

/* Hamburger animation */
.hamburger-line {
    display: block;
    transition: all 0.3s ease;
}

#mobile-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#mobile-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

#mobile-toggle.active .hamburger-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile link animation */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s 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: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Gold shimmer on hover for cards */
.group:hover .group-hover\\:scale-105 {
    transform: scale(1.05);
}

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

/* Image lazy loading fade */
img[loading="lazy"] {
    transition: opacity 0.5s ease;
}

img[loading="lazy"]:not([src]) {
    opacity: 0;
}