/* Physicians for AI Safety — shared styles for all pages. */

@font-face{
  font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:200 900;
  src:url(/fonts/source-serif-4-latin-opsz-normal.woff2) format("woff2-variations"),url(/fonts/source-serif-4-latin-opsz-normal.woff2) format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:200 900;
  src:url(/fonts/source-serif-4-latin-ext-opsz-normal.woff2) format("woff2-variations"),url(/fonts/source-serif-4-latin-ext-opsz-normal.woff2) format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

:root{
  --bg:#f4f5f7;
  --card:#ffffff;
  --ink:#1c1c1c;
  --grey:#5f6368;
  --edge:#e2e4e8;
  --hair:#e9eaed;
  --blue:#1d4a7a;
  --blue-dark:#163a60;
  --blue-soft:#eef3f8;
  --error:#b3261e;
  --radius:16px;
  --serif:"Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.page{max-width:740px;margin:0 auto;padding:0 20px 40px}
[hidden]{display:none !important}

header{padding:24px 4px 20px}
.brand{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:15px}
.brand a{color:var(--ink);text-decoration:none}
.brand .name{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:-0.01em}
.brand .mark{width:26px;height:26px;flex:none;position:relative;top:-1.5px}
.brand nav a{color:var(--grey);margin-left:18px}
.brand nav a:hover{color:var(--ink)}
@media (max-width:520px){ .brand nav{display:none} }

.card{background:var(--card);border:1px solid var(--edge);border-radius:var(--radius);padding:36px;margin-bottom:16px;box-shadow:0 1px 2px rgba(20,30,40,.03)}
@media (max-width:520px){ .card{padding:24px 20px;border-radius:14px} }

.statement{padding:52px 44px 44px}
@media (max-width:520px){ .statement{padding:32px 20px 28px} }
.statement .eyebrow{font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--blue);margin:0 0 16px}
.statement .preamble{color:var(--grey);font-size:16px;margin:28px 0 0}
.statement h1{font-family:var(--serif);font-weight:500;font-size:clamp(28px,5vw,40px);line-height:1.25;margin:0;letter-spacing:-.01em;padding-left:22px;border-left:3px solid var(--blue)}
@media (max-width:520px){ .statement h1{padding-left:16px} }
.statement .open-to{margin:16px 0 0;font-size:16px}
.context{margin-top:32px;color:var(--grey);font-size:16px}
.context p{margin:0 0 12px}
.signed{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px}
.signed .count{font-size:16px;color:var(--grey)}
.signed .count b{font-weight:600;color:var(--ink)}

.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;padding:12px 20px;border-radius:10px;font-size:16px;font-weight:500;border:1px solid var(--blue);cursor:pointer;font-family:inherit;line-height:1.2}
.btn:hover{background:var(--blue-dark);border-color:var(--blue-dark)}
.btn[disabled]{opacity:.6;cursor:default}
.btn.secondary{background:#fff;color:var(--ink);border-color:#c9ccd1}
.btn.secondary:hover{background:var(--bg)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

h2{font-family:var(--serif);font-weight:500;font-size:23px;margin:0 0 18px}
.lead{margin:0 0 20px}
.muted{color:var(--grey)}

.signatories ol{list-style:none;margin:0;padding:0}
.signatories li{padding:13px 0;border-bottom:1px solid var(--hair)}
.signatories li:last-child{border-bottom:0}
.signatories .n{font-weight:600}
.signatories .d{color:var(--grey);font-size:15px}
.signatories .empty{color:var(--grey);margin:0}
.signatories .anon{color:var(--grey);font-size:15px;margin:16px 0 0}
.showall{margin:18px 0 0;font-size:15px}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--blue);text-decoration:underline;cursor:pointer}

form{display:grid;gap:18px;margin-top:8px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:520px){ .two{grid-template-columns:1fr} }
.name-row{display:grid;grid-template-columns:132px 1fr;gap:18px}
@media (max-width:520px){ .name-row{grid-template-columns:110px 1fr;gap:12px} }
label{display:block;font-size:15px;font-weight:500;margin-bottom:6px}
input[type=text],input[type=email],select{width:100%;font:inherit;font-size:16px;color:var(--ink);border:1px solid #c9ccd1;border-radius:10px;padding:11px 13px;background:#fff}
select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--grey) 50%),linear-gradient(135deg,var(--grey) 50%,transparent 50%);background-position:calc(100% - 19px) 50%,calc(100% - 14px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px}
input:focus,select:focus{border-color:var(--blue)}
[aria-invalid=true]{border-color:var(--error) !important}
.help{display:block;font-weight:400;color:var(--grey);font-size:14px;margin-top:6px}
.help-inline{font-weight:400;color:var(--grey);font-size:14px}
.check{display:grid;grid-template-columns:auto 1fr;gap:10px;font-weight:400;font-size:15px;align-items:start;margin:0}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--blue)}
.field-error{display:block;color:var(--error);font-size:14px;margin-top:6px;font-weight:400}
.check .field-error{grid-column:2;margin-top:0}
.form-message{border-radius:10px;padding:12px 14px;font-size:15px;background:#fdf1f0;color:var(--error)}
.form-message.neutral{background:var(--blue-soft);color:var(--ink)}
.fine{font-size:14px;color:var(--grey);margin:0}
.hp{position:absolute !important;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.turnstile:empty{display:none}

.done h2{margin-bottom:12px}
.done p{margin:0 0 12px}

.about p{margin:0 0 16px}
.about p:last-child{margin:0}

/* Single-card pages: confirm, review, privacy, legal */
.card h1{font-family:var(--serif);font-weight:500;font-size:clamp(26px,4.4vw,32px);line-height:1.25;margin:0 0 16px}
.entry{background:var(--blue-soft);border-radius:12px;padding:16px 18px;margin:20px 0}
.entry .n{font-weight:600}
.entry .d{color:var(--grey);font-size:15px}
.details{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px;margin:20px 0;font-size:15px}
.details dt{color:var(--grey)}
.details dd{margin:0;word-break:break-word}
.status{display:inline-block;font-size:14px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--bg);border:1px solid var(--edge)}
.prose h2{font-size:20px;margin:32px 0 10px}
.prose p,.prose ul{margin:0 0 14px}
.prose ul{padding-left:22px}
.prose li{margin:0 0 6px}
.note{background:var(--blue-soft);border-radius:10px;padding:12px 14px;font-size:15px}

/* Expanded statement page */
.mission .eyebrow{font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--blue);margin:0 0 14px}
.mission h1{margin-bottom:14px}
.mission .lead{font-family:var(--serif);font-size:clamp(19px,2.6vw,22px);line-height:1.45;margin:0 0 24px}
.mission h2{font-family:var(--serif);font-weight:500;font-size:22px;margin:34px 0 10px}
.mission .callout{font-family:var(--serif);font-size:clamp(19px,2.6vw,22px);line-height:1.4;padding-left:18px;border-left:3px solid var(--blue);margin:24px 0}
.mission .cta{margin-top:32px;padding-top:24px;border-top:1px solid var(--hair)}
.mission .cta p{margin:0 0 14px}

footer{padding:20px 4px 0;font-size:14px;color:var(--grey)}
footer p{margin:0 0 8px}
footer a{color:var(--grey)}
.share-title{margin:28px 0 10px;font-size:20px}