:root {
    --color-bg: #f5f0e8;
    --color-surface: #ffffff;
    --color-border: #e6e0d6;
    --color-text: #1e2235;
    --color-text-secondary: #6b7085;
    --color-accent: #1a56db;
    --color-accent-hover: #1542b0;
    --color-green: #1e8e3e;
    --color-blue: #1a56db;
    --color-orange: #e68a00;
    --color-yellow: #e8a800;
}

html {
    scroll-behavior: smooth;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f5f0e8;
}

::-webkit-scrollbar-thumb {
    background: #d4cec4;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #bfb9af;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeInUp 0.4s ease-out forwards;
    opacity: 0;
}

.tool-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.12);
}

.tool-card:nth-child(1) { animation-delay: 0.05s; }
.tool-card:nth-child(2) { animation-delay: 0.1s; }
.tool-card:nth-child(3) { animation-delay: 0.15s; }
.tool-card:nth-child(4) { animation-delay: 0.2s; }
.tool-card:nth-child(5) { animation-delay: 0.25s; }
.tool-card:nth-child(6) { animation-delay: 0.3s; }
.tool-card:nth-child(7) { animation-delay: 0.35s; }
.tool-card:nth-child(8) { animation-delay: 0.4s; }
.tool-card:nth-child(9) { animation-delay: 0.45s; }
.tool-card:nth-child(10) { animation-delay: 0.5s; }
.tool-card:nth-child(11) { animation-delay: 0.55s; }
.tool-card:nth-child(12) { animation-delay: 0.6s; }