/* Base & Animations */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* Floating animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes floatDelayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-float-delayed {
    animation: floatDelayed 3.5s ease-in-out infinite;
    animation-delay: 1s;
}

/* Scroll reveal (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .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; }
}

/* Service card hover */
.service-card {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(5, 150, 105, 0.2);
}

/* Gallery hover */
.gallery-item {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.gallery-item:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(254, 253, 248, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.nav-transparent {
    background: transparent !important;
    box-shadow: none !important;
}

/* Mobile menu animation */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Back to top */
#backToTop {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#backToTop.visible {
    opacity: 1;
    pointer-events: all;
}

#backToTop:not(.visible) {
    transform: translateY(20px);
}

/* Custom selection color */
::selection {
    background: #059669;
    color: white;
}