/* Base reset & custom properties */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #1A1D23;
}
::-webkit-scrollbar-thumb {
    background: #333740;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #4A4F5A;
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(26, 29, 35, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(74, 79, 90, 0.5);
    padding-top: 0;
    padding-bottom: 0;
}

#navbar.scrolled .nav-link {
    color: #6B7280;
}

/* Service cards */
.service-card {
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.neighborhood-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Testimonial cards */
.testimonial-card {
    transition: transform 0.3s ease, border-color 0.3s ease;
}

/* Fade-in animation for scroll reveal */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }
.fade-in-delay-6 { transition-delay: 0.6s; }

/* Mobile menu animation */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

#mobile-menu.open {
    max-height: 400px;
}

/* Select dropdown arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .fade-in {
        opacity: 1;
        transform: none;
    }
    .service-card,
    .neighborhood-card,
    .testimonial-card {
        transform: none;
    }
    .service-card:hover,
    .neighborhood-card:hover,
    .testimonial-card:hover {
        transform: none;
    }
}