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

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

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

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(6, 78, 59, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #F59E0B;
    transition: width 0.3s ease;
}

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

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

#menu.close {
    opacity: 0;
    pointer-events: none;
}

#mobile-overlay.open {
    display: block;
}

#mobile-overlay.close {
    display: none;
}

/* Mobile menu bars animation */
#menu-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

#menu-toggle.active .bar:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Product cards */
.product-card {
    transform: translateY(0);
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(4, 120, 87, 0.15);
}

.product-card:hover img {
    transform: scale(1.1);
}

/* Feature cards */
.feature-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateX(8px);
}

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    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; }

/* Geometric accent shapes */
.geo-triangle {
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
}

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

::-webkit-scrollbar-track {
    background: #FFF8E7;
}

::-webkit-scrollbar-thumb {
    background: #047857;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #064E3B;
}

/* Selection color */
::selection {
    background: #047857;
    color: #FFF8E7;
}