/* Automatic device light/dark palette from approved circle-study v4. */
:root{color-scheme:light dark;--canvas:#f2efe5;--panel:#f2efe5;--input-surface:#f2efe5;--ink:#243a2e;--muted:#586451;--line:#c4c6b4;--field-line:#69745c;--focus:#8a5619;--hover:#eaecc9;--wash:#f2efe5ed;--wash-clear:#f2efe500;--error:#8a2d22}
html,body{background:var(--canvas);color:var(--ink)}header,footer{border-color:var(--line)}footer{background:var(--canvas)}#motion-status,.preference-note{color:var(--muted)}.motion-controls button{background:var(--canvas);color:var(--muted);border-color:var(--line)}.motion-controls button:hover{background:var(--hover);color:var(--ink)}.signup-panel .signup{background:var(--ink);color:var(--canvas);border-color:var(--ink)}.signup-panel .signup:not(:disabled):hover{background:var(--muted);color:var(--canvas)}.signup-panel{background:var(--panel);border:1px solid var(--line)}.field input{background:var(--input-surface);color:var(--ink);border-color:var(--field-line);caret-color:var(--ink)}.field input::placeholder{color:var(--muted);opacity:1}.field input:autofill{background:var(--input-surface);color:var(--ink);box-shadow:0 0 0 1000px var(--input-surface) inset}.field input:-webkit-autofill,.field input:-webkit-autofill:hover,.field input:-webkit-autofill:focus{-webkit-text-fill-color:var(--ink);caret-color:var(--ink);-webkit-box-shadow:0 0 0 1000px var(--input-surface) inset;border-color:var(--field-line)}input:focus-visible,button:focus-visible,.brand:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:3px}input[type=checkbox]{accent-color:var(--ink)}.intro:before{background:radial-gradient(ellipse at 35% 32%,var(--canvas) 0%,var(--wash) 42%,var(--wash-clear) 100%)}#status.error{color:var(--error)}
@media(prefers-color-scheme:dark){:root{--canvas:#17261f;--panel:#17261f;--input-surface:#17261f;--ink:#f3efdc;--muted:#b8c4ad;--line:#4f604c;--field-line:#899880;--focus:#fac711;--hover:#2b3523;--wash:#17261ff2;--wash-clear:#17261f00;--error:#ffb4a8}.signup-panel{box-shadow:0 12px 40px #00000024}.c1{background:#E6D48226;border-color:#E6D48266}.c2{background:#A7CAEC1f;border-color:#A7CAEC55}.c3{background:#91986155;border-color:#91986166}.c4{background:#C64B172e;border-color:#C64B1777}.c5{background:#E6D48226;border-color:#E6D48255}}

/* One functional wordmark; historical study artwork stays intact. */
.brand,.footer-signature{font-family:Arial,Helvetica,sans-serif;font-weight:400;letter-spacing:-.06em;text-transform:none}

/* Canonical public navigation; Contact always resolves to the home section. */
.site-nav{display:flex;align-items:center;flex-wrap:wrap;gap:24px;margin-left:auto;font-size:13px}.site-nav a{display:inline-flex;align-items:center;min-height:44px;padding:10px 0;color:inherit;text-decoration:none}.site-nav a:hover,.site-nav a[aria-current=page]{text-decoration:underline;text-underline-offset:5px}.site-nav a:focus-visible{outline:3px solid var(--focus);outline-offset:5px}
@media(max-width:900px){.site-nav{order:3;flex-basis:100%;margin:0;justify-content:space-between;gap:12px;font-size:12px}.header-controls{margin-left:auto}}