/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
}

/* Scroll-reveal base state — progressive enhancement */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

/* Floating card animations */
@keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

.float-card-1 {
    animation: float1 4s ease-in-out infinite;
}

.float-card-2 {
    animation: float2 5s ease-in-out infinite;
}

.float-card-3 {
    animation: float3 4.5s ease-in-out infinite;
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(253, 251, 247, 0.92) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(6, 95, 70, 0.08);
}

/* Mobile menu */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-open .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 5px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #faf8f0;
}

::-webkit-scrollbar-thumb {
    background: #065f46;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #047857;
}

/* Selection */
::selection {
    background: #065f46;
    color: #fdfbf7;
}