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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(212, 168, 83, 0.3);
    color: #f5f0ff;
}

/* ─── Scroll Reveal (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
        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.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* Content is visible by default when JS is disabled or reduced-motion is preferred */
@media (prefers-reduced-motion: reduce) {
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
    }
}

/* ─── Floating Animation (hero orbs) ─── */
@keyframes float-slow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -30px) scale(1.05); }
}
@keyframes float-medium {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-15px, 20px) scale(1.03); }
}
@keyframes float-fast {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10px, -15px); }
}

.animate-float-slow { animation: float-slow 8s ease-in-out infinite; }
.animate-float-medium { animation: float-medium 6s ease-in-out infinite; }
.animate-float-fast { animation: float-fast 4s ease-in-out infinite; }

/* ─── Navbar scroll state ─── */
.nav-scrolled {
    background: rgba(15, 6, 26, 0.92) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(212, 168, 83, 0.1);
}

.nav-scrolled #navbar > div {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

/* ─── Custom select arrow ─── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a87bd9' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ─── Focus visible ─── */
:focus-visible {
    outline: 2px solid rgba(212, 168, 83, 0.6);
    outline-offset: 2px;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f061a;
}
::-webkit-scrollbar-thumb {
    background: #4d2d68;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #7444a0;
}