html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.gradient-text {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-bg {
    background: linear-gradient(135deg, #ecfeff 0%, #eff6ff 50%, #faf5ff 100%);
}

.gradient-border {
    position: relative;
    background: white;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, #06b6d4, #3b82f6, #8b5cf6);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

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

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    color: white;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0891b2 0%, #2563eb 100%);
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

.btn-ghost {
    border: 1px solid #e5e7eb;
    color: #374151;
    transition: all 0.3s ease;
}

.btn-ghost:hover {
    border-color: #3b82f6;
    color: #3b82f6;
    background: #eff6ff;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    font-size: 24px;
}

.nav-link {
    position: relative;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: #3b82f6;
}

.nav-link.active {
    color: #3b82f6;
    font-weight: 600;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.code-block {
    background: #1e293b;
    color: #e2e8f0;
    border-radius: 8px;
    padding: 16px 20px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    line-height: 1.6;
    overflow-x: auto;
}

.code-block code {
    white-space: pre;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    color: white;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.mobile-menu {
    display: none;
}

@media (max-width: 768px) {
    .mobile-menu {
        display: block;
    }
    .desktop-menu {
        display: none;
    }
}