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

body {
    overflow-x: hidden;
}

/* Scroll Reveal — progressive enhancement, hidden by default */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #fafaf5;
}
::-webkit-scrollbar-thumb {
    background: #c4b5fd;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a855f7;
}

/* Nav transition states */
nav.scrolled #nav-logo {
    color: white;
}

/* Floating card animations */
@keyframes float-1 {
    0%, 100% { transform: rotate(2deg) translateY(0); }
    50% { transform: rotate(2deg) translateY(-10px); }
}
@keyframes float-2 {
    0%, 100% { transform: rotate(-1deg) translateY(0); }
    50% { transform: rotate(-1deg) translateY(-8px); }
}
@keyframes float-3 {
    0%, 100% { transform: rotate(1deg) translateY(0); }
    50% { transform: rotate(1deg) translateY(-12px); }
}
@keyframes float-4 {
    0%, 100% { transform: rotate(-2deg) translateY(0); }
    50% { transform: rotate(-2deg) translateY(-6px); }
}

.floating-card-1 { animation: float-1 4s ease-in-out infinite; }
.floating-card-2 { animation: float-2 5s ease-in-out infinite; }
.floating-card-3 { animation: float-3 4.5s ease-in-out infinite; }
.floating-card-4 { animation: float-4 3.5s ease-in-out infinite; }

/* Subtle pulse for hero badge */
@keyframes soft-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}
.animate-soft-pulse {
    animation: soft-pulse 2.5s ease-in-out infinite;
}