/* Midnight edition: luminous blue lines on layered navy surfaces. */
:root{--blue:#62a7ff;--ink:#edf4ff;--paper:#081120;--line:#26364d;--gray:#a4b3c8;color-scheme:dark}
body{background:var(--paper)}
header{border-color:#30425c}
.brand-caption{border-color:#30425c}
.hero-copy{background:linear-gradient(to bottom,#081120 0%,#081120f0 70%,#08112000 100%)}
.hero .highlight{color:#62a7ff;-webkit-text-fill-color:currentColor;background:none}
.hero .highlight:after{background:#62a7ff}
.primary{background:#006ce4;color:#fff}
.button:hover{background:#2586f3}
.text-link{border-color:#3a506e}
.ticker{background:#0d1c33;border-color:#263b57;color:#8bbcff}
.about{background:#102b50}
.about .section-label,.about .section-label span:first-child{color:#a5c9f8}
.about-copy p{color:#c5d5ec}
.about-copy .lead{color:#f2f7ff}
.about-layout .muted{color:#78b2ff}
.principles{border-color:#365374}
.principles b{color:#86baff}
.product-card:hover{background:#101e33}
.product-heading:before{color:#344966}
.card-top,.code-art,.chart-art span{color:#91a9c9}
.product-copy p{color:#a4b3c8}
.tags span{color:#98beef;border-color:#314660}
.code-art div,.flow-art span{color:#98beef}
.chart-art i{background:#294e7d}
.chart-art i:nth-child(6){background:#448dde}
.flow-art span{border-color:#365374}
.flow-art span:first-child{background:#006ce4;border-color:#006ce4}
.learning-art div{color:#3d5c82}
.learning-art span:nth-child(2){color:#62a7ff}
.learning-art b{border-color:#365374}
.contact{background:#0e1d32;border-color:#263b57}
.contact-stamp{color:#304968}
.contact-stamp b{color:#62a7ff}
label{color:#c2d3ea}
input,textarea,select{border-color:#3b506b}
input::placeholder,textarea::placeholder{color:#8497b1}
select option{background:#0e1d32}
.submit-row>span,.form-info{color:#91a4bf}
footer{background:#050d19;color:#91a4bf;border-top:1px solid #21324a}
footer>a:last-child{color:#c2d9f8}
@media(max-width:650px){.hero-copy{background:linear-gradient(to bottom,#081120 0%,#081120f0 72%,#08112000 100%)}}