docs: Restyle documentation landing page and community page (#24393)

docs/src/components/BlurredSection.tsx

@@ -0,0 +1,53 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import React, { ReactNode } from 'react';
+import styled from '@emotion/styled';
+import { mq } from '../utils';
+
+const StyledBlurredSection = styled('section')`
+  text-align: center;
+  border-bottom: 1px solid var(--ifm-border-color);
+  overflow: hidden;
+  .blur {
+    max-width: 635px;
+    width: 100%;
+    margin-top: -70px;
+    margin-bottom: -35px;
+    position: relative;
+    z-index: -1;
+    ${mq[1]} {
+      margin-top: -40px;
+    }
+  }
+`;
+
+interface BlurredSectionProps {
+  children: ReactNode;
+}
+
+const BlurredSection = ({ children }: BlurredSectionProps) => {
+  return (
+    <StyledBlurredSection>
+      {children}
+      <img className="blur" src="/img/community/blur.png" alt="Blur" />
+    </StyledBlurredSection>
+  );
+};
+
+export default BlurredSection;

docs/src/components/SectionHeader.tsx

@@ -0,0 +1,123 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import React from 'react';
+import styled from '@emotion/styled';
+import { mq } from '../utils';
+
+type StyledSectionHeaderProps = {
+  dark: boolean;
+};
+
+const StyledSectionHeader = styled('div')<StyledSectionHeaderProps>`
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  text-align: center;
+  padding: 75px 20px 0;
+  max-width: 720px;
+  margin: 0 auto;
+  ${mq[1]} {
+    padding-top: 55px;
+  }
+  .title,
+  .subtitle {
+    color: ${props =>
+      props.dark
+        ? 'var(--ifm-font-base-color-inverse)'
+        : 'var(--ifm-font-base-color)'};
+  }
+`;
+
+const StyledSectionHeaderH1 = styled(StyledSectionHeader)`
+  .title {
+    font-size: 96px;
+    ${mq[1]} {
+      font-size: 46px;
+    }
+  }
+  .line {
+    margin-top: -45px;
+    margin-bottom: 15px;
+    ${mq[1]} {
+      margin-top: -20px;
+      margin-bottom: 30px;
+    }
+  }
+  .subtitle {
+    font-size: 30px;
+    line-height: 40px;
+    ${mq[1]} {
+      font-size: 25px;
+      line-height: 29px;
+    }
+  }
+`;
+
+const StyledSectionHeaderH2 = styled(StyledSectionHeader)`
+  .title {
+    font-size: 48px;
+    ${mq[1]} {
+      font-size: 34px;
+    }
+  }
+  .line {
+    margin-top: -15px;
+    margin-bottom: 15px;
+    ${mq[1]} {
+      margin-top: -5px;
+    }
+  }
+  .subtitle {
+    font-size: 24px;
+    line-height: 32px;
+    ${mq[1]} {
+      font-size: 18px;
+      line-height: 26px;
+    }
+  }
+`;
+
+interface SectionHeaderProps {
+  level: any;
+  title: string;
+  subtitle?: string;
+  dark?: boolean;
+}
+
+const SectionHeader = ({
+  level,
+  title,
+  subtitle,
+  dark,
+}: SectionHeaderProps) => {
+  const Heading = level;
+
+  const StyledRoot =
+    level === 'h1' ? StyledSectionHeaderH1 : StyledSectionHeaderH2;
+
+  return (
+    <StyledRoot dark={!!dark}>
+      <Heading className="title">{title}</Heading>
+      <img className="line" src="/img/community/line.png" alt="line" />
+      {subtitle && <p className="subtitle">{subtitle}</p>}
+    </StyledRoot>
+  );
+};
+
+export default SectionHeader;