:root { color-scheme: light; --text: #253538; --muted: #58686b; --teal: #2f6f73; --orange: #ad5412; }
* { box-sizing: border-box; }
body { margin: 0; background: #fcfcfa; color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
.page { max-width: 760px; margin: 0 auto; padding: 80px 28px; }
.brand { display: flex; align-items: baseline; gap: 1px; margin: 0 0 48px; font-size: 24px; font-weight: 650; letter-spacing: -1px; color: var(--teal); }
.brand svg { width: 14px; height: 18px; flex: none; align-self: center; }
.eyebrow { margin: 0 0 14px; color: var(--teal); font-size: 14px; font-weight: 600; }
h1 { margin: 0 0 12px; font-size: clamp(34px, 6vw, 48px); line-height: 1.12; letter-spacing: -1.5px; font-weight: 650; }
.role { margin: 0 0 28px; font-size: 21px; line-height: 1.5; }
.intro { max-width: 560px; margin: 0 0 24px; color: var(--muted); font-size: 18px; line-height: 1.7; }
.stack { margin: 0 0 36px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.cta { display: inline-block; padding: 12px 18px; border: 1px solid var(--teal); border-radius: 6px; color: var(--teal); font-size: 15px; font-weight: 600; text-decoration: none; }
.cta:hover { background: #edf3f2; }
a:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.text-link { display: inline-block; padding: 12px 0; color: var(--teal); font-size: 15px; font-weight: 600; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.text-link:hover { color: var(--orange); }
.page-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 48px; }
.page-header .brand { margin: 0; text-decoration: none; }
.reading .intro { max-width: 620px; }
.reading h1 { margin-bottom: 24px; }
.principles { margin-top: 40px; }
.principle { border-top: 1px solid #dce3e1; padding: 28px 0; }
.principle h2, .decision-note h2 { margin: 0 0 14px; font-size: 24px; line-height: 1.35; letter-spacing: -0.4px; font-weight: 600; }
.principle p, .decision-note p, .decision-note li { margin: 0 0 12px; font-size: 17px; line-height: 1.7; color: var(--muted); }
.principle p:last-child, .decision-note p:last-child { margin-bottom: 0; }
.principle strong, .decision-note strong { color: var(--text); font-weight: 600; }
.decision-note { margin-top: 12px; padding: 28px; background: #edf3f2; border-left: 3px solid var(--teal); border-radius: 0 6px 6px 0; }
.decision-note .eyebrow { font-size: 14px; color: var(--teal); }
.decision-note ol { padding-left: 22px; margin: 16px 0; }
.reading footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; margin-top: 48px; }
@media (max-width: 480px) { .page-header { margin-bottom: 40px; } .principle h2, .decision-note h2 { font-size: 22px; } .decision-note { padding: 24px 20px; } }
footer { margin-top: 72px; padding-top: 20px; border-top: 1px solid #dce3e1; color: var(--muted); font-size: 13px; line-height: 1.6; }
@media (max-width: 480px) { .page { padding: 40px 24px; } .brand { margin-bottom: 40px; } footer { margin-top: 52px; } }