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

body {
    font-family: 'Nunito', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: 'DM Serif Display', Georgia, serif;
}

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

.floating-card:nth-child(2) {
    animation-delay: -1.5s;
    animation-duration: 7s;
}

.floating-card:nth-child(3) {
    animation-delay: -3s;
    animation-duration: 5.5s;
}

.floating-card:nth-child(4) {
    animation-delay: -4.5s;
    animation-duration: 6.5s;
}

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

/* Scroll reveal — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(253, 252, 248, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(45, 90, 61, 0.08);
}

.nav-scrolled .nav-link {
    color: #2D5A3D !important;
}

.nav-scrolled .nav-logo-text {
    color: #2D5A3D !important;
}

/* Mobile menu */
#mobile-menu {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FAF7F0;
}

::-webkit-scrollbar-thumb {
    background: #bdd4be;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8fb88e;
}

/* Selection color */
::selection {
    background: #dce8df;
    color: #1c3a26;
}