* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: #dfe5ea;
    color: #22313f;
    font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

body {
    font-size: 16px;
}

a {
    color: #1f5c9a;
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: underline;
}

code {
    padding: 2px 5px;
    background: #f3f5f7;
    border: 1px solid #d2dae1;
    border-radius: 3px;
    font-family: Consolas, "Courier New", monospace;
}

pre {
    margin: 16px 0;
    padding: 14px;
    overflow: auto;
    background: #f7f9fa;
    border: 1px solid #d2dae1;
    border-radius: 6px;
}

pre code {
    padding: 0;
    background: transparent;
    border: 0;
}

.shell {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 24px 16px 40px;
}

.shell:before,
.shell:after,
.site-header:before,
.site-header:after,
.shell-body:before,
.shell-body:after,
.hero-highlights:before,
.hero-highlights:after {
    content: " ";
    display: table;
}

.shell:after,
.site-header:after,
.shell-body:after,
.hero-highlights:after {
    clear: both;
}

.site-header {
    margin-bottom: 24px;
    padding: 28px 30px 24px;
    background: #ffffff;
    border: 1px solid #c7d1da;
    border-top: 5px solid #2d5f97;
    box-shadow: 0 2px 4px rgba(17, 35, 52, 0.08);
}

.site-branding {
    float: left;
    width: 64%;
    padding-right: 24px;
}

.site-title {
    margin: 6px 0 10px;
    font-size: 34px;
    line-height: 1.15;
    font-weight: 700;
    color: #1f2d3a;
}

.site-tagline {
    margin: 0;
    color: #546473;
    font-size: 16px;
}

.site-runtime {
    float: right;
    width: 33%;
    padding: 16px 18px;
    background: #f3f6f9;
    border: 1px solid #d5dde4;
}

.site-runtime-label {
    margin: 0 0 6px;
    color: #5d7081;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.site-info {
    margin: 0;
    color: #244a78;
    font-size: 15px;
    font-weight: 700;
}

.site-main {
    width: 100%;
}

.hero,
.content-card {
    margin-bottom: 18px;
    padding: 24px;
    background: #ffffff;
    border: 1px solid #c7d1da;
    box-shadow: 0 2px 4px rgba(17, 35, 52, 0.08);
}

.hero {
    padding: 30px 32px;
    border-top: 4px solid #2d5f97;
}

.hero h1,
.content-card h1 {
    margin: 8px 0 14px;
    font-size: 38px;
    line-height: 1.2;
    color: #1f2d3a;
}

.eyebrow {
    margin: 0;
    color: #5d7081;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 12px;
}

.lead,
.feature p,
.content-card p {
    color: #485765;
}

.content-card h2,
.feature h2 {
    margin: 8px 0 12px;
    font-size: 30px;
    line-height: 1.3;
    color: #1f2d3a;
}

.content-card ul {
    margin: 12px 0;
    padding-left: 20px;
}

.button-row {
    margin-top: 18px;
}

.hero-note {
    margin: 18px 0 0;
    padding: 12px 14px;
    background: #f4f7fa;
    border-left: 4px solid #8aa3bf;
}

.hero-highlights {
    margin: 24px -8px 0;
}

.highlight-item {
    float: left;
    width: 33.333%;
    padding: 0 8px;
}

.highlight-card {
    min-height: 108px;
    padding: 16px 18px;
    background: #f4f7fa;
    border: 1px solid #d6dee5;
}

.highlight-card strong,
.highlight-card span {
    display: block;
}

.highlight-card strong {
    color: #1f2d3a;
    font-size: 16px;
}

.highlight-card span {
    margin-top: 8px;
    color: #5a6c7b;
    font-size: 14px;
}

.version-selector {
    border-top: 4px solid #6a8b2c;
}

.selector-note {
    margin: 0 0 14px;
    padding: 10px 12px;
    background: #f4f8eb;
    border: 1px solid #d9e4c2;
    color: #41531e;
}

.feature-grid {
    margin-left: -1%;
    margin-right: -1%;
    font-size: 0;
}

.feature {
    display: inline-block;
    vertical-align: top;
    width: 48%;
    margin: 0 1% 18px;
    padding: 24px;
    background: #ffffff;
    border: 1px solid #c7d1da;
    box-shadow: 0 2px 4px rgba(17, 35, 52, 0.08);
    font-size: 16px;
}

.feature-note {
    margin: 0 0 12px;
    padding-left: 12px;
    border-left: 3px solid #bfd0de;
    color: #5a6c7b;
    font-size: 14px;
}

.primary-action,
.secondary-action,
.ghost-action {
    display: inline-block;
    margin: 0 8px 8px 0;
    padding: 11px 18px;
    font: inherit;
    cursor: pointer;
    border: 1px solid #a9b7c3;
    background: #ffffff;
    color: #21303d;
    font-weight: 700;
    text-align: center;
}

.primary-action {
    background: #2d5f97;
    border-color: #264f7d;
    color: #ffffff;
}

.secondary-action {
    background: #e7eef5;
    border-color: #bfd0de;
}

.primary-action:hover {
    background: #264f7d;
    border-color: #20446b;
}

.secondary-action:hover,
.ghost-action:hover {
    background: #eef3f7;
}

.ghost-action {
    background: #ffffff;
    color: #425160;
}

.profile-buttons .primary-action,
.profile-buttons .ghost-action {
    min-width: 108px;
}

.counter-value {
    margin: 12px 0 14px;
    font-size: 42px;
    font-weight: 700;
    color: #1f2d3a;
}

.simple-card {
    max-width: 520px;
}

.ghost-link {
    display: inline-block;
    padding: 10px 14px;
    background: #eef3f7;
    border: 1px solid #c9d5de;
    color: #27496e;
    font-weight: 700;
}

.ghost-link:hover,
.ghost-link:focus {
    background: #e4ebf0;
    text-decoration: none;
}

@media screen and (max-width: 960px) {
    .site-branding,
    .site-runtime,
    .highlight-item,
    .feature,
    .feature-grid .feature {
        display: block;
        float: none;
        width: auto;
    }

    .site-runtime {
        margin-top: 18px;
    }

    .feature-grid {
        margin-left: 0;
        margin-right: 0;
    }

    .feature {
        margin-left: 0;
        margin-right: 0;
    }
}

@media screen and (max-width: 680px) {
    .site-header,
    .hero,
    .content-card,
    .feature {
        padding: 20px;
    }

    .hero h1,
    .content-card h1 {
        font-size: 30px;
    }

    .content-card h2,
    .feature h2 {
        font-size: 24px;
    }

    .site-title {
        font-size: 28px;
    }
}