*, *::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;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f5f5f0;
}
::-webkit-scrollbar-thumb {
    background: #064e3b;
    border-radius: 3px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

.animate-fade-in {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.card-float:nth-child(1) {
    animation: float 4s ease-in-out infinite;
}
.card-float:nth-child(2) {
    animation: floatReverse 5s ease-in-out infinite;
}
.card-float:nth-child(3) {
    animation: float 4.5s ease-in-out infinite;
}

/* Scroll reveal */
.card-reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Header scroll state */
header.scrolled {
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(6, 78, 59, 0.06);
}

header.scrolled .nav-link {
    color: #064e3b;
}

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

.mobile-menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(2px, 2px);
}
.mobile-menu-open .menu-line:nth-child(2) {
    opacity: 0;
}
.mobile-menu-open .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(2px, -2px);
    width: 50%;
}

.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

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

.mobile-menu-open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu-open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu-open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu-open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
.mobile-menu-open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Selection */
::selection {
    background: #064e3b;
    color: #f5f5f0;
}