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

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

::selection {
    background-color: rgba(13, 115, 119, 0.15);
    color: #0a5c5f;
}

/* Floating card animations */
@keyframes float-1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-14px) rotate(0.5deg); }
}

@keyframes float-2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-0.5deg); }
}

@keyframes float-3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-18px) rotate(0.3deg); }
}

.floating-card {
    will-change: transform;
}

/* Navbar transitions */
.nav-scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

.nav-scrolled .font-serif {
    color: #1f1c19 !important;
}

.nav-scrolled a:not(.bg-teal-500):not([class*="bg-"]) {
    color: #5c564e !important;
}

.nav-scrolled a:not(.bg-teal-500):not([class*="bg-"]):hover {
    color: #0d7377 !important;
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    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; }

/* Smooth mobile menu */
#mobile-menu {
    animation: menuSlide 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes menuSlide {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Service card hover glow */
.group:hover .rounded-xl {
    box-shadow: 0 8px 30px rgba(13, 115, 119, 0.15);
}

/* Image hover container */
.rounded-2xl.overflow-hidden {
    position: relative;
}

.rounded-2xl.overflow-hidden::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 9999px;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
    pointer-events: none;
}