*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(5, 150, 105, 0.2);
    color: #064e3b;
}

/* Floating card animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-16px); }
}

.card-float {
    animation: float 6s ease-in-out infinite;
    will-change: transform;
}

/* Scroll reveal base — content always visible */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .card-float {
        animation: none;
    }
    
    .reveal {
        transition: none;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* Mobile menu transitions */
.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.2s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(6) { transition-delay: 0.3s; }
#mobileMenu.open .mobile-link:nth-child(7) { transition-delay: 0.35s; }

/* Hamburger animation */
#menuIcon.open #bar1 {
    transform: translateY(4px) rotate(45deg);
}

#menuIcon.open #bar2 {
    opacity: 0;
    transform: scaleX(0);
}

#menuIcon.open #bar3 {
    transform: translateY(-4px) rotate(-45deg);
}

/* Scroll progress bar */
#scrollProgress {
    transform-origin: left;
    transform: scaleX(0);
}

/* Image loading placeholder */
img {
    background: linear-gradient(135deg, #d1fae5 0%, #fef3c7 100%);
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Subtle gradient border on cards */
.gradient-border {
    position: relative;
    background: white;
    border-radius: 1.5rem;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1.5rem;
    padding: 1px;
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.15), rgba(5, 150, 105, 0.05), rgba(5, 150, 105, 0.15));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}