/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { min-height: 100vh; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }

/* ─── Scroll Reveal (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-up.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-32px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-left.is-visible {
        opacity: 1;
        transform: translateX(0);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(32px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-right.is-visible {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ─── Floating Cards Animation ─── */
@media (prefers-reduced-motion: no-preference) {
    .floating-card {
        animation: float-slow 6s ease-in-out infinite;
    }
    .floating-card-2 {
        animation: float-slow 6s ease-in-out infinite 1s;
    }
    .floating-card-3 {
        animation: float-slow 6s ease-in-out infinite 2s;
    }
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* ─── Navbar Scrolled State ─── */
#nav.scrolled {
    background: rgba(15, 4, 30, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(91, 44, 111, 0.4);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ─── Mobile Menu Transitions ─── */
#mobile-menu.open {
    max-height: 500px;
    opacity: 1;
}
#mobile-menu.closed {
    max-height: 0;
    opacity: 0;
}

/* ─── Selection ─── */
::selection {
    background: rgba(245, 158, 11, 0.3);
    color: #f3e8ff;
}

/* ─── Focus Visible ─── */
:focus-visible {
    outline: 2px solid #F59E0B;
    outline-offset: 2px;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #1e0a3c; }
::-webkit-scrollbar-thumb { background: #5B2C6F; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #7c3aed; }