html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; }

.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.show {
    opacity: 1;
    transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(111, 191, 142, 0.15);
}

.link-underline {
    position: relative;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #6FBF8E;
    transition: width 0.3s ease;
}

.link-underline:hover::after {
    width: 100%;
}

.project-card {
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.project-card:hover {
    border-left-color: #6FBF8E;
    background-color: #f9fafb;
    padding-left: 1.25rem;
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #6FBF8E;
    transition: width 0.3s ease;
}

.nav-link:hover::before {
    width: 100%;
}

@media (max-width: 640px) {
    .nav-links {
        flex-direction: column;
        align-items: flex-start;
    }
}