/* Custom styles for Devader Concrete */

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

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Hero scroll indicator animation */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* Scroll reveal base - progressive enhancement */
.scroll-reveal {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

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

    .scroll-reveal-delay-1 { transition-delay: 0.1s; }
    .scroll-reveal-delay-2 { transition-delay: 0.2s; }
    .scroll-reveal-delay-3 { transition-delay: 0.3s; }
    .scroll-reveal-delay-4 { transition-delay: 0.4s; }
    .scroll-reveal-delay-5 { transition-delay: 0.5s; }
}

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

#mobile-menu.open {
    max-height: 400px;
    opacity: 1;
}

/* Service card hover */
.service-card {
    border: 1px solid transparent;
}

.service-card:hover {
    border-color: rgba(13, 148, 136, 0.15);
}

/* Gallery image */
.rounded-3xl img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Form focus styles */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* Selection color */
::selection {
    background: rgba(13, 148, 136, 0.2);
    color: #1e293b;
}