*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

/* Floating card animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.floating-card {
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(2) { animation-delay: -1.5s; }
.floating-card:nth-child(3) { animation-delay: -3s; }
.floating-card:nth-child(4) { animation-delay: -4.5s; }

/* Scroll reveal base — all content visible by default */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    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 { transform: translateY(0); }
.reveal-left { transform: translateX(0); }
.reveal-right { transform: translateX(0); }

/* Hidden state applied by JS for progressive enhancement */
.js-reveal.reveal-up { opacity: 0; transform: translateY(30px); }
.js-reveal.reveal-left { opacity: 0; transform: translateX(-30px); }
.js-reveal.reveal-right { opacity: 0; transform: translateX(30px); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .js-reveal.reveal-up,
    .js-reveal.reveal-left,
    .js-reveal.reveal-right {
        opacity: 1;
        transform: none;
    }
    .floating-card { animation: none; }
    html { scroll-behavior: auto; }
}

/* Mobile menu animation */
#menu-btn.active #bar1 {
    transform: translateY(6px) rotate(45deg);
}
#menu-btn.active #bar2 {
    opacity: 0;
}
#menu-btn.active #bar3 {
    transform: translateY(-6px) rotate(-45deg);
}

/* Selection color */
::selection {
    background: rgba(184, 93, 60, 0.2);
    color: inherit;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #F7F1E9;
}
::-webkit-scrollbar-thumb {
    background: #DFC49A;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #B85D3C;
}