/* Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: color-mix(in srgb, currentColor 15%, transparent);
}

/* Scroll Reveal Animations — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .reveal.fade-up {
        opacity: 0;
        transform: translateY(32px);
    }
    
    .reveal.fade-up.visible {
        opacity: 1;
        transform: translateY(0);
    }
    
    /* Hero animations */
    .hero-subtitle {
        animation: fadeUp 0.8s ease forwards;
        animation-delay: 0.2s;
        opacity: 0;
    }
    
    .hero-title {
        animation: fadeUp 0.8s ease forwards;
        animation-delay: 0.4s;
        opacity: 0;
    }
    
    .hero-body {
        animation: fadeUp 0.8s ease forwards;
        animation-delay: 0.6s;
        opacity: 0;
    }
    
    .hero-cta {
        animation: fadeUp 0.8s ease forwards;
        animation-delay: 0.8s;
        opacity: 0;
    }
    
    .hero-scroll {
        animation: fadeIn 0.8s ease forwards;
        animation-delay: 1.2s;
        opacity: 0;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Navbar */
#navbar {
    background: transparent;
    color: #12190d;
}

#navbar.scrolled {
    background: rgba(250, 250, 246, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(44, 62, 35, 0.08);
}

#navbar.scrolled a,
#navbar.scrolled button {
    color: #12190d;
}

/* Mobile menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu a {
    color: #12190d;
    text-decoration: none;
    transition: color 0.3s;
}

#mobile-menu a:hover {
    color: #5a7d44;
}

/* Menu button */
.menu-line {
    display: block;
    width: 24px;
    height: 1px;
    background: currentColor;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-btn.active .menu-line:first-child {
    transform: translateY(5px) rotate(45deg);
}

.menu-btn.active .menu-line:last-child {
    transform: translateY(-5px) rotate(-45deg);
}

/* Form selects */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235a7d44' stroke-width='1.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
    padding-right: 2rem;
}

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #fafaf6;
}

::-webkit-scrollbar-thumb {
    background: #c7d4ba;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a1b88e;
}