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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* ===== Scroll Reveal Animations (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .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; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

#navbar.scrolled {
    background: rgba(250, 250, 245, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(46, 125, 50, 0.08);
}

/* ===== Mobile Menu ===== */
.mobile-link {
    display: block;
}

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #2e7d32, #66bb6a);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::after {
    transform: scaleX(1);
}

/* ===== Form Focus States ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ===== Button Hover Glow ===== */
button:hover,
a:hover {
    cursor: pointer;
}

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

::-webkit-scrollbar-track {
    background: #FAFAF5;
}

::-webkit-scrollbar-thumb {
    background: #a5d6a7;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #66bb6a;
}

/* ===== Selection ===== */
::selection {
    background: #c5e1c5;
    color: #1b5e20;
}

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

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

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    .service-card {
        padding: 1.5rem;
    }
    
    #hero h1 {
        font-size: 2.5rem;
    }
}