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

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

/* Navigation */
.nav-text {
    transition: color 0.3s ease;
}

.nav-subtext {
    transition: color 0.3s ease;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #047857;
    transition: width 0.3s ease;
}

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

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(254, 253, 248, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.navbar-scrolled .nav-text {
    color: #064e3b;
}

.navbar-scrolled .nav-subtext {
    color: #047857;
}

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

.navbar-scrolled .nav-link:hover {
    color: #047857;
}

/* Stat Cards Animation */
.stat-card {
    animation: floatCard 6s ease-in-out infinite;
}

.stat-card:nth-child(1) {
    animation-delay: 0s;
}

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

.stat-card:nth-child(3) {
    animation-delay: 3s;
}

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

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Scroll Reveal */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Menu */
.mobile-link {
    border-left: 3px solid transparent;
}

.mobile-link:hover {
    border-left-color: #047857;
    padding-left: 12px;
}

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

::-webkit-scrollbar-track {
    background: #fdf9f0;
}

::-webkit-scrollbar-thumb {
    background: #a7f3d0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6ee7b7;
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #047857;
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: #d1fae5;
    color: #064e3b;
}