/* Custom styles for S & B Engineers */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(250, 249, 246, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

nav.scrolled .logo-text {
    color: #1c3e1f;
}

/* Scroll reveal animations */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile menu transitions */
#mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    opacity: 0;
}

#mobileMenu.open {
    max-height: 500px;
    opacity: 1;
}

/* Subtle hover lift on cards */
.group:hover {
    transform: translateY(-2px);
}

/* Selection color */
::selection {
    background-color: #b9d0b9;
    color: #1c3e1f;
}

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

::-webkit-scrollbar-track {
    background: #faf9f6;
}

::-webkit-scrollbar-thumb {
    background: #b9d0b9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8fb88f;
}

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

/* Image loading placeholder */
img {
    background: linear-gradient(135deg, #f0f5f0 0%, #ebe8df 100%);
}

/* Focus visible for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #5c9a5c;
    outline-offset: 2px;
    border-radius: 4px;
}