/* Base & Utilities */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

/* Navigation */
.nav-fixed {
    transition: box-shadow 0.3s ease;
}

.nav-fixed.scrolled {
    box-shadow: 0 1px 20px rgba(5, 150, 105, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #059669;
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-link:hover::after {
    width: 60%;
}

.nav-link.active {
    color: #059669 !important;
}

.nav-link.active::after {
    width: 60%;
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav-link {
    transition: all 0.2s ease;
}

/* Hero Stat Cards */
.stat-card {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-1 {
    animation: float1 4s ease-in-out infinite;
}

.card-2 {
    animation: float2 4.5s ease-in-out infinite;
    animation-delay: 0.5s;
}

.card-3 {
    animation: float3 5s ease-in-out infinite;
    animation-delay: 1s;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

/* Scroll Reveal */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

/* Button Hover Effects */
a {
    transition: all 0.2s ease;
}

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

::-webkit-scrollbar-track {
    background: #fefdf8;
}

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

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

/* Selection color */
::selection {
    background: #a7f3d0;
    color: #064e3b;
}