/* Base & Utilities */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

/* Smooth scroll offset for fixed nav */
section[id] { scroll-margin-top: 80px; }

/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #F0FBF7; }
::-webkit-scrollbar-thumb { background: #1EB396; border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: #0A2342; }

/* Selection */
::selection { background: #A0EAD5; color: #0A2342; }

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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; }

/* Navbar glass effect */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(10, 35, 66, 0.06), 0 4px 20px rgba(10, 35, 66, 0.04);
}

#navbar.scrolled .nav-link { color: rgba(10, 35, 66, 0.7) !important; }

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

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

#mobile-menu.open .mobile-link {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

/* Stagger children in service cards */
.service-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Testimonial card hover */
.testimonial-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

/* Image hover zoom */
.neighborhood-card {
    overflow: hidden;
}

.neighborhood-card img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Button focus states */
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #1EB396;
    outline-offset: 2px;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* Tablet adjustments */
@media (max-width: 768px) {
    #hero h1 {
        font-size: 3.5rem;
    }

    .reveal {
        transition-duration: 0.6s;
    }
}

/* Small phone adjustments */
@media (max-width: 360px) {
    .max-w-7xl {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}