/* Base */
* { margin: 0; padding: 0; box-sizing: border-box; }

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

/* Floating card animations */
@keyframes float-1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(0.5deg); }
}
@keyframes float-2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(-0.5deg); }
}
@keyframes float-3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(0.3deg); }
}
@keyframes float-4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-0.3deg); }
}

.floating-card {
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}
.card-1 { animation: float-1 5s ease-in-out infinite; }
.card-2 { animation: float-2 4.5s ease-in-out infinite; animation-delay: -1s; }
.card-3 { animation: float-3 6s ease-in-out infinite; animation-delay: -2s; }
.card-4 { animation: float-4 5.5s ease-in-out infinite; animation-delay: -0.5s; }

/* Service card hover */
.service-card {
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}
.service-card:hover {
    transform: translateY(-4px);
}

/* Gallery items */
.gallery-item {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.gallery-item:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Scroll reveal animations — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .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);
    }
    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Mobile menu transition */
#mobileMenu {
    transition: max-height 0.3s ease, opacity 0.3s ease;
}
#mobileMenu.hidden {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}
#mobileMenu:not(.hidden) {
    max-height: 300px;
    opacity: 1;
}