@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --slate-900: #0f172a;
    --slate-950: #020617;
}

body {
    font-family: 'Inter', sans-serif;
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.slide-in-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.slide-in-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.scale-in.is-visible {
    opacity: 1;
    transform: scale(1);
}

/* Staggered delays */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* Mobile Menu */
#mobile-menu {
    transition: max-height 0.3s ease-in-out, opacity 0.3s ease-in-out;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}
#mobile-menu.open {
    max-height: 500px;
    opacity: 1;
}

/* Counter Animation */
.counter-value {
    display: inline-block;
}

/* Page Banner Parallax */
.page-banner {
    background-attachment: fixed;
}
@media (max-width: 768px) {
    .page-banner {
        background-attachment: scroll;
    }
}

/* Service Card Bottom Bar */
.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 4px;
    background: #16a34a;
    transition: width 0.5s ease;
}
.service-card:hover::after {
    width: 100%;
}

/* Dropdown Menu */
.nav-dropdown {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}
.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Active nav link */
.nav-link.active {
    color: #16a34a;
}
.nav-link.active span {
    width: 100%;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #16a34a;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: #15803d;
}

/* Catalog product card hover */
.catalog-card .catalog-overlay {
    opacity: 0;
    transition: opacity 0.4s ease;
}
.catalog-card:hover .catalog-overlay {
    opacity: 1;
}

/* FAQ Accordion */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer {
    max-height: 300px;
}
.faq-item.active .faq-icon {
    transform: rotate(45deg);
}
.faq-icon {
    transition: transform 0.3s ease;
}

/* Back to top button */
#back-to-top {
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}