@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+TC:wght@400;500;700&display=swap');

body {
    font-family: 'Inter', 'Noto Sans TC', sans-serif;
    scroll-behavior: smooth;
}

.hero-pattern {
    background-color: transparent;
    background-image: radial-gradient(#10b98122 1px, transparent 1px);
    background-size: 20px 20px;
}

.app-header-gradient {
    background: linear-gradient(180deg, #1e40af 0%, #3b82f6 100%);
}

/* Animations */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Dark Mode Scrollbar */
.dark ::-webkit-scrollbar-track {
    background: #0f172a;
}

.dark ::-webkit-scrollbar-thumb {
    background: #334155;
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: #475569;
}