/* Custom styles for Contract Surveying */

/* Floating card animations */
.floating-card-1 {
    animation: float1 4s ease-in-out infinite;
}
.floating-card-2 {
    animation: float2 5s ease-in-out infinite;
}
.floating-card-3 {
    animation: float3 6s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

/* Service card hover glow */
.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

/* Smooth scroll offset for fixed nav */
html {
    scroll-padding-top: 80px;
}

/* Scroll reveal animations (progressive enhancement) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.hidden-reveal {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal.hidden-reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #faf5ff;
}
::-webkit-scrollbar-thumb {
    background: #d8b4fe;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a855f7;
}

/* Mobile menu transition */
#mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
#mobileMenu.open {
    max-height: 400px;
    padding-top: 0;
}

/* Navbar glass effect */
.nav-scrolled {
    background: rgba(250, 245, 255, 0.9) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(107, 33, 168, 0.08);
}

/* Selection color */
::selection {
    background: #e9d5ff;
    color: #581c87;
}