:root {
    color-scheme: light;
    --paper: #f7fcfe;
    --surface: #ffffff;
    --ink: #31586b;
    --ink-muted: #4c7688;
    --line: #bfdce6;
    --accent: #15819a;
    --secondary: #dd816d;
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    font-weight: 400;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
body::before {
    content: "";
    display: block;
    width: 100%;
    height: 9px;
    background: repeating-linear-gradient(90deg, var(--accent) 0 90px, var(--line) 90px 180px, var(--secondary) 180px 185px, var(--line) 185px 245px);
}
.sheet {
    width: min(100% - 72px, 1170px);
    margin: 44px auto 64px;
    border-top: 1px solid var(--line);
}
.masthead {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    position: relative;
    padding: 32px 0 28px;
    border-bottom: 3px solid var(--accent);
}
h1 {
    font-size: 40px;
    font-weight: 650;
    line-height: 1.22;
    letter-spacing: -.045em;
    max-width: 920px;
    margin: 0;
    overflow-wrap: anywhere;
}
.figure {
    position: relative;
    width: 114px;
    min-width: 114px;
    height: 76px;
    margin-bottom: -4px;
}
.figure::before, .figure::after { content: ""; position: absolute; background: var(--line); }
.figure::before { left: 15px; top: 34px; width: 91px; height: 1px; transform: rotate(-27deg); }
.figure::after { left: 65px; top: 11px; height: 58px; width: 1px; }
.figure-circle { position: absolute; left: 3px; top: 4px; border: 2px solid var(--accent); border-radius: 50%; width: 68px; height: 68px; }
.figure-beam { position: absolute; left: 47px; top: 9px; width: 58px; height: 48px; border-right: 2px solid var(--secondary); border-bottom: 2px solid var(--secondary); transform: skew(-13deg); }
.figure-point { position: absolute; left: 61px; top: 22px; width: 11px; height: 11px; background: var(--secondary); border-radius: 50%; }
.paper { padding: 34px 0 0; }
p { margin: 0 0 1.25em; font-size: 16px; line-height: 1.78; hyphens: auto; overflow-wrap: break-word; }
.lead {
    max-width: 1100px;
    font-size: 16px;
    line-height: 1.84;
    padding: 0 0 24px;
    margin: 0;
}
h2 {
    font-size: 28px;
    line-height: 1.3;
    font-weight: 600;
    letter-spacing: -.03em;
    margin: 20px 0 26px;
    padding-top: 27px;
    border-top: 1px solid var(--line);
}
.columns {
    columns: 2;
    column-gap: 54px;
    column-rule: 1px solid var(--line);
    column-fill: balance;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}
.columns p { orphans: 3; widows: 3; }
h2 + .columns { border-top: 0; padding-top: 0; }

a, a:visited { color: inherit; text-decoration: none; }
a:hover, a:active { color: inherit; background: #d7edf1; }
a:focus-visible { color: inherit; outline: 3px solid var(--secondary); outline-offset: 3px; background: #d7edf1; }
@media (max-width: 1040px) {
    .sheet { width: min(100% - 56px, 920px); margin-top: 30px; }
    .columns { columns: 1; column-rule: none; }
}
@media (max-width: 700px) {
    .sheet { width: min(100% - 36px, 640px); margin-top: 18px; margin-bottom: 30px; }
    .masthead { align-items: flex-start; padding-top: 20px; gap: 12px; }
    .figure { width: 60px; min-width: 60px; transform: scale(.5); transform-origin: right top; margin-right: -25px; }
    h1 { font-size: 40px; }
    h2 { font-size: 28px; margin: 13px 0 22px; padding-top: 20px; }
    p, .lead { font-size: 16px; }
    .paper { padding-top: 24px; }
    .lead { padding-bottom: 18px; }
    .columns { columns: 1; border-top: 1px solid var(--line); padding-top: 20px; }
    .columns p { orphans: 3; widows: 3; }
h2 + .columns { border-top: 0; padding-top: 0; }
}
@media (max-width: 430px) {
    .figure { display: none; }
    h1 { font-size: 40px; }
}