/* ── Custom Properties ── */
:root {
    --color-plum-700: #5b2c6f;
    --color-plum-800: #4a2359;
    --color-plum-900: #3d1d49;
    --color-amber-450: #f59e0b;
}

/* ── Base ── */
html {
    scroll-behavior: smooth;
}

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

/* ── Scroll Reveal (progressive enhancement) ── */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-left {
        opacity: 0;
        transform: translateX(-24px);
    }

    .reveal-left.revealed {
        opacity: 1;
        transform: translateX(0);
    }

    .reveal-right {
        opacity: 0;
        transform: translateX(24px);
    }

    .reveal-right.revealed {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ── Floating Cards Animation ── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

@keyframes float-fast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-14px); }
}

@media (prefers-reduced-motion: no-preference) {
    .animate-float {
        animation: float 4s ease-in-out infinite;
    }

    .animate-float-slow {
        animation: float-slow 5s ease-in-out infinite;
    }

    .animate-float-fast {
        animation: float-fast 3.5s ease-in-out infinite;
    }
}

/* ── Navbar Scroll State ── */
.navbar-scrolled {
    box-shadow: 0 1px 0 rgba(91, 44, 111, 0.1);
}

/* ── Selection ── */
::selection {
    background-color: rgba(91, 44, 111, 0.2);
    color: inherit;
}

/* ── Smooth Image Loading ── */
img {
    image-rendering: auto;
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-amber-450);
    outline-offset: 2px;
    border-radius: 4px;
}