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

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

/* Navbar */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #1B5E20;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-text-color {
    color: #1a1a1a;
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(250, 250, 245, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 24px rgba(0, 0, 0, 0.04);
}

.navbar-scrolled .nav-text-color {
    color: #1a1a1a;
}

.navbar-scrolled .nav-link {
    color: #374151;
}

.navbar-scrolled .nav-link:hover {
    color: #1B5E20;
}

/* Mobile menu */
.mobile-link {
    position: relative;
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
    }

    .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; }
}

/* Button focus */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #1B5E20;
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: #1B5E20;
    color: white;
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Form transitions */
input, textarea, select {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

::-webkit-scrollbar-track {
    background: #F5F5EE;
}

::-webkit-scrollbar-thumb {
    background: #a8c8a8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7cac7c;
}