/* ContextRx — shared base (A0)
   Header, footer, buttons, type, section scaffolding, trust/CTA components, reveal.
   Loaded after tokens.css; pages add their own page-specific styles after this.
   Factored out of index.html unchanged — index.html stays the visual source of truth. */

/* reset + type base */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased;font-size:16px;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--display);line-height:1.12;letter-spacing:-.02em;color:var(--ink)}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--s3)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);font-weight:500;display:flex;align-items:center;gap:8px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--teal);display:inline-block}
.eyebrow.on-dark{color:#7FD8DC}.eyebrow.on-dark::before{background:#7FD8DC}
.mono{font-family:var(--mono)}

/* buttons — Slate is the workhorse CTA; green is reserved for the single sandbox/start action */
.btn{display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;border-radius:14px;font-family:var(--body);font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;white-space:nowrap}
.btn-primary{background:var(--slate);color:#fff;box-shadow:0 4px 14px rgba(17,73,122,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(17,73,122,.38)}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--cloud)}
.btn-secondary:hover{border-color:var(--slate);background:var(--mist)}
.btn-sandbox{background:var(--vital);color:var(--ink);box-shadow:0 4px 14px rgba(61,220,151,.35)}
.btn-sandbox:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(61,220,151,.45)}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px}
/* CTA band is a teal→slate gradient: use a high-contrast white primary */
.ctaband .btn-primary{background:#fff;color:var(--ink);box-shadow:0 4px 14px rgba(0,0,0,.18)}
.ctaband .btn-primary:hover{background:#fff;box-shadow:0 8px 22px rgba(0,0,0,.26)}

/* shared action row (hero + CTA band) */
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:var(--s3) 0}

/* human-in-the-loop pill */
.hil{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:500;padding:6px 12px;border-radius:999px;border:1px solid rgba(30,138,143,.3);color:var(--teal);background:rgba(30,138,143,.06)}
.hil svg{width:13px;height:13px}
.hil.on-dark{color:#9fe9c8;border-color:rgba(61,220,151,.35);background:rgba(61,220,151,.08)}

/* header / nav */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s}
header.scrolled{border-color:var(--cloud);box-shadow:var(--shadow-sm)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:var(--s4)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:-.02em}
.brand svg{width:32px;height:32px;flex:none;color:var(--teal)}
.brand .wm{display:inline-flex;align-items:baseline;white-space:nowrap}
.brand .rx{color:var(--teal)}
footer .brand svg{color:#fff}
footer .brand .rx{color:#9fe9c8}
.navlinks{display:flex;align-items:center;gap:var(--s4);font-size:15px;font-weight:500;color:var(--ink-2)}
.navlinks a{color:var(--ink-2);transition:color .15s}
.navlinks a:hover{color:var(--ink)}
.navlinks a.active{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .signin{font-size:15px;font-weight:500;color:var(--ink-2)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px}

/* section scaffolding */
section.band{padding:var(--s8) 0}
.section-head{max-width:60ch}
.section-head.center{margin:0 auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section-head h2{font-size:42px;font-weight:700;margin:var(--s2) 0;letter-spacing:-.03em}
.section-head p{font-size:18px;color:var(--ink-soft)}
.mist{background:var(--mist)}

/* trust band + chips (reused: homepage, trust, audience pages) */
.trust{background:linear-gradient(160deg,var(--slate),var(--slate-900));color:#fff}
.trust .section-head h2{color:#fff}
.trust .tbody{font-size:18px;color:rgba(255,255,255,.8);max-width:60ch;margin-top:var(--s2)}
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--s4)}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:#fff;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);padding:9px 14px;border-radius:999px}
.chip svg{width:15px;height:15px;color:#9fe9c8}

/* closing CTA band */
.ctaband{background:linear-gradient(160deg,var(--teal),var(--slate));color:#fff;border-radius:24px;padding:var(--s7) var(--s5);text-align:center;position:relative;overflow:hidden}
.ctaband::before{content:"";position:absolute;inset:0;opacity:.4;background:radial-gradient(600px 300px at 50% 0,rgba(61,220,151,.3),transparent 70%)}
.ctaband h2{font-size:42px;color:#fff;position:relative}
.ctaband p{color:rgba(255,255,255,.85);font-size:18px;max-width:52ch;margin:var(--s2) auto var(--s4);position:relative}
.ctaband .hero-actions{justify-content:center;position:relative}

/* footer */
footer{background:var(--ink);color:rgba(255,255,255,.7);padding:var(--s7) 0 var(--s4)}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:var(--s4)}
.fcol h5{font-family:var(--body);font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.45);margin-bottom:var(--s2);font-weight:600}
.fcol a{display:block;color:rgba(255,255,255,.7);font-size:14px;padding:5px 0;transition:color .15s}
.fcol a:hover{color:var(--vital)}
.fbrand .brand{color:#fff;margin-bottom:var(--s2)}
.fbrand p{font-size:14px;max-width:32ch;color:rgba(255,255,255,.6)}
.ftrust{display:flex;gap:10px;margin-top:var(--s3);flex-wrap:wrap}
.ftrust span{font-size:11px;font-family:var(--mono);border:1px solid rgba(255,255,255,.15);padding:4px 10px;border-radius:8px;color:rgba(255,255,255,.6)}
.fbot{border-top:1px solid rgba(255,255,255,.1);margin-top:var(--s6);padding-top:var(--s3);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.45)}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* shared responsive: nav collapse + section heads */
@media(max-width:980px){
  .navlinks,.nav-cta .signin{display:none}
  .burger{display:flex}
  .navlinks.open{display:flex;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:var(--s3);border-bottom:1px solid var(--cloud);gap:var(--s2)}
}
@media(max-width:600px){
  .section-head h2{font-size:28px}
  .ctaband h2{font-size:30px}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

/* TEMP (R2.7): hide "Sign in" + all "Get a sandbox key" / sandbox CTAs until
   accounts / API keys ship. Keeps all markup in place — delete this block to
   re-enable. Targets the Sign in link, the green sandbox buttons, and every
   link to signup.html (header, hero, pricing tier, footer "Sandbox").
   Does NOT hide "Talk to our team". */
.signin,
.btn-sandbox,
a[href="signup.html"] { display: none !important; }