:root {
    --ink: #111827;
    --muted: #4B5563;
    --faint: #6B7280;
    --line: #E5E7EB;
    --teal: #0F766E;
    --teal-soft: #F0FDFA;
    --page: #eef2f4;
}

@font-face {
    font-family: Inter;
    src: url("../fonts/InterVariable.woff2") format("woff2");
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

* {
    box-sizing: border-box;
}

body {
    font-family: Inter, Arial, sans-serif;
    background: var(--page);
    color: var(--ink);
    margin: 0;
    line-height: 1.6;
}

.wrap {
    max-width: 860px;
    margin: 24px auto;
    background: #fff;
    padding: 48px;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
}

nav a {
    color: var(--teal);
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

header {
    padding: 32px 0 8px;
}

h1 {
    font-size: 32px;
    line-height: 1.25;
    margin: 0 0 12px;
}

.lede {
    font-size: 18px;
    color: var(--muted);
    margin: 0 0 8px;
}

.byline {
    font-size: 14px;
    color: var(--faint);
}

.byline a {
    color: var(--teal);
    text-decoration: none;
}

section {
    border-top: 1px solid var(--line);
    margin-top: 32px;
    padding-top: 20px;
}

h2 {
    color: var(--teal);
    font-size: 20px;
    margin: 0 0 14px;
}

h3 {
    font-size: 17px;
    margin: 24px 0 6px;
}

p {
    margin: 0 0 14px;
}

.pull {
    border-left: 3px solid var(--teal);
    background: var(--teal-soft);
    padding: 14px 18px;
    margin: 18px 0;
    font-weight: 600;
    color: var(--ink);
}

.stages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin: 18px 0 8px;
    padding: 0;
    list-style: none;
}

.stages li {
    border: 1px solid var(--line);
    border-top: 3px solid var(--teal);
    padding: 14px 16px;
}

.stages strong {
    display: block;
    color: var(--teal);
    margin-bottom: 4px;
}

.stages span {
    font-size: 14px;
    color: var(--muted);
}

.case {
    border: 1px solid var(--line);
    padding: 20px 22px;
    margin-bottom: 18px;
}

.case h3 {
    margin-top: 0;
}

.evidence {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--teal);
    background: var(--teal-soft);
    border: 1px solid #99F6E4;
    padding: 3px 9px;
    margin-bottom: 10px;
}

.case p:last-child {
    margin-bottom: 0;
}

.links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 4px;
    padding: 0;
    list-style: none;
}

.links a {
    display: inline-block;
    border: 1px solid var(--teal);
    color: var(--teal);
    text-decoration: none;
    padding: 9px 16px;
    font-size: 15px;
}

.links a:hover {
    background: var(--teal);
    color: #fff;
}

footer {
    border-top: 1px solid var(--line);
    margin-top: 32px;
    padding-top: 18px;
    font-size: 14px;
    color: var(--faint);
}

footer a {
    color: var(--teal);
    text-decoration: none;
}

@media (max-width: 640px) {
    .wrap {
        margin: 0;
        padding: 24px 20px;
    }

    h1 {
        font-size: 26px;
    }
}