/* Base styles & custom properties */
:root {
    --font-serif: 'DM Serif Display', Georgia, serif;
    --font-sans: 'Inter', system-ui, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Smooth scroll offset for fixed navbar */
section[id] {
    scroll-margin-top: 80px;
}

/* Custom selection color */
::selection {
    background: #2D5A3D;
    color: #F5F0E8;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #F5F0E8;
}
::-webkit-scrollbar-thumb {
    background: #99c79f;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #2D5A3D;
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(253, 252, 250, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(45, 90, 61, 0.08);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal — progressive enhancement, only active with JS */
@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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
}

/* Reduced motion — ensure content is always visible */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
}

/* Button hover micro-interaction */
a, button {
    transition: all 0.2s ease;
}

/* Image hover zoom container */
.rounded-2xl.overflow-hidden img,
.rounded-3xl.overflow-hidden img {
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}