/* PrimeAssist Voice — shared styles
   Palette: petrol ink ground, dial-tone teal accent, ochre reserved for
   loss/risk figures only. Neutrals carry a petrol bias, never pure grey. */

:root {
  --ink-900:#08161D; --ink-800:#0B1D26; --ink-600:#1B3A48;
  --muted:#5C7481; --line:#DBE4E8;
  --surface:#FFFFFF; --ground:#F1F5F6; --sunken:#E7EEF0;
  --accent:#0E9C9C; --accent-deep:#076B6B; --accent-wash:#E2F4F3;
  --warm:#C96A1B; --warm-wash:#FBEEE1;
  --good:#1F8A4C;
  --shadow:0 1px 2px rgba(11,29,38,.05), 0 8px 24px -12px rgba(11,29,38,.18);
  --radius:10px;
  --step--1:.8125rem; --step-0:1rem; --step-1:1.1875rem;
  --step-2:1.5rem; --step-3:2rem; --step-4:2.75rem;
  --wrap:1120px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ink-900:#EDF3F5; --ink-800:#DDE8EB; --ink-600:#B2C6CE;
    --muted:#88A1AB; --line:#1E343E;
    --surface:#0E2029; --ground:#071319; --sunken:#0A1A21;
    --accent:#31C6C2; --accent-deep:#8CE0DC; --accent-wash:#0D2E30;
    --warm:#E4954A; --warm-wash:#2A1C0F;
    --good:#4FBF7E;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --ink-900:#EDF3F5; --ink-800:#DDE8EB; --ink-600:#B2C6CE;
  --muted:#88A1AB; --line:#1E343E;
  --surface:#0E2029; --ground:#071319; --sunken:#0A1A21;
  --accent:#31C6C2; --accent-deep:#8CE0DC; --accent-wash:#0D2E30;
  --warm:#E4954A; --warm-wash:#2A1C0F;
  --good:#4FBF7E;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--ground); color:var(--ink-800);
  font:var(--step-0)/1.65 "IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:"Bricolage Grotesque","IBM Plex Sans",system-ui,sans-serif;
  color:var(--ink-900); text-wrap:balance; line-height:1.1;
  letter-spacing:-.02em; margin:0;
}
h1{font-size:var(--step-4);font-weight:700}
h2{font-size:var(--step-3);font-weight:600}
h3{font-size:var(--step-1);font-weight:600;letter-spacing:-.01em}
p{margin:0}
a{color:var(--accent-deep)}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.prose{max-width:62ch}
.eyebrow{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-deep);margin:0;
}
.lede{font-size:var(--step-1);color:var(--ink-600);line-height:1.6}
.muted{color:var(--muted)}

/* ---------------------------------------------------------------- chrome */
.topbar{
  position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--ground) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.topbar__in{display:flex;align-items:center;gap:24px;height:62px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink-900);font-weight:600}
.brand__mark{width:22px;height:22px;flex:none;color:var(--accent)}
.brand__name{font-family:"Bricolage Grotesque",sans-serif;letter-spacing:-.02em;font-size:1.0625rem}
.nav{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav a{color:var(--ink-600);text-decoration:none;font-size:var(--step--1);font-weight:500}
.nav a:hover,.nav a[aria-current]{color:var(--accent-deep)}
.iconbtn{
  background:none;border:1px solid var(--line);color:var(--ink-600);
  width:34px;height:34px;border-radius:8px;cursor:pointer;display:grid;place-items:center;
}
.iconbtn:hover{border-color:var(--accent);color:var(--accent-deep)}
.navtoggle{display:none}

.btn{
  display:inline-flex;align-items:center;gap:8px;text-decoration:none;
  font-weight:600;font-size:var(--step--1);padding:11px 20px;border-radius:8px;
  border:1px solid transparent;cursor:pointer;transition:transform .12s ease;
}
.btn:active{transform:translateY(1px)}
.btn--solid{background:var(--accent);color:#04201F}
.btn--solid:hover{background:var(--accent-deep);color:#fff}
.btn--ghost{border-color:var(--line);color:var(--ink-800);background:var(--surface)}
.btn--ghost:hover{border-color:var(--accent)}

/* ------------------------------------------------------------------ hero */
.hero{padding:72px 0 24px}
.hero__grid{display:grid;gap:44px;align-items:start}
@media (min-width:920px){.hero__grid{grid-template-columns:1fr 1fr;gap:56px}}
.hero h1{margin:14px 0 18px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero__facts{
  display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:26px;padding-top:20px;
  border-top:1px solid var(--line);font-size:var(--step--1);color:var(--muted);
}
.hero__facts b{color:var(--ink-800);font-weight:600}

/* transcript — the characteristic artifact of this business */
.call{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.call__head{
  display:flex;align-items:center;gap:10px;padding:12px 16px;
  border-bottom:1px solid var(--line);background:var(--sunken);
  font-family:"IBM Plex Mono",monospace;font-size:.75rem;color:var(--muted);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--good);flex:none;animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.call__meta{margin-left:auto;letter-spacing:.04em}
.call__body{padding:6px 0;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:.8125rem;line-height:1.6}
.turn{display:grid;grid-template-columns:52px 1fr;gap:12px;padding:9px 16px;align-items:start}
.turn+.turn{border-top:1px dashed var(--line)}
.turn__who{
  font-size:.625rem;letter-spacing:.1em;text-transform:uppercase;
  padding-top:3px;font-weight:600;
}
.turn--agent .turn__who{color:var(--accent-deep)}
.turn--cust .turn__who{color:var(--warm)}
.turn p{color:var(--ink-800)}
.turn .t{color:var(--muted);font-size:.6875rem}
.call__foot{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:12px 16px;border-top:1px solid var(--line);background:var(--sunken);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-family:"IBM Plex Mono",monospace;
  font-size:.6875rem;letter-spacing:.04em;padding:4px 9px;border-radius:5px;
  background:var(--accent-wash);color:var(--accent-deep);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);
}
.chip--warm{background:var(--warm-wash);color:var(--warm);border-color:color-mix(in srgb,var(--warm) 30%,transparent)}

/* -------------------------------------------------------------- sections */
.band{padding:64px 0;border-top:1px solid var(--line)}
.band--sunken{background:var(--surface)}
.band__head{max-width:60ch;margin-bottom:36px}
.band__head h2{margin:12px 0 12px}

/* solutions — deliberately not three identical cards */
.sol{display:grid;gap:28px;padding:34px 0;align-items:start}
.sol+.sol{border-top:1px solid var(--line)}
@media (min-width:860px){.sol{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px}}
.sol__no{
  font-family:"IBM Plex Mono",monospace;font-size:.6875rem;letter-spacing:.12em;
  color:var(--muted);text-transform:uppercase;
}
.sol h3{margin:10px 0 12px;font-size:var(--step-2)}
.sol__body{display:flex;flex-direction:column;gap:14px}
.beats{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:9px}
.beats li{display:grid;grid-template-columns:16px 1fr;gap:10px;font-size:var(--step--1);color:var(--ink-600)}
.beats svg{width:16px;height:16px;color:var(--accent);margin-top:4px}
.aside{
  background:var(--sunken);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;display:flex;flex-direction:column;gap:10px;
}
.aside__label{
  font-family:"IBM Plex Mono",monospace;font-size:.625rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);
}
.aside q{font-style:normal;color:var(--ink-800);font-size:var(--step--1);line-height:1.55}
.aside--risk{background:var(--warm-wash);border-color:color-mix(in srgb,var(--warm) 26%,transparent)}
.aside--risk .aside__label{color:var(--warm)}

/* flow — a genuine sequence, so numbering carries meaning */
.flow{display:grid;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
@media (min-width:780px){.flow{grid-template-columns:repeat(4,1fr)}}
.flow__step{background:var(--surface);padding:22px 20px;display:flex;flex-direction:column;gap:8px}
.flow__n{font-family:"IBM Plex Mono",monospace;font-size:.6875rem;color:var(--accent-deep);letter-spacing:.1em}
.flow__step h3{font-size:var(--step-0)}
.flow__step p{font-size:var(--step--1);color:var(--ink-600)}

/* voices */
.voices{display:grid;gap:14px}
@media (min-width:700px){.voices{grid-template-columns:repeat(3,1fr)}}
.voice{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;display:flex;flex-direction:column;gap:6px;
}
.voice__name{font-family:"Bricolage Grotesque",sans-serif;font-weight:600;color:var(--ink-900)}
.voice__tag{font-family:"IBM Plex Mono",monospace;font-size:.6875rem;color:var(--muted);letter-spacing:.04em}
.wave{display:flex;align-items:flex-end;gap:2px;height:20px;margin-top:6px}
.wave i{width:3px;background:var(--accent);border-radius:2px;opacity:.75}

.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pill{
  font-size:var(--step--1);padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-600);
}

/* cta */
.cta{
  background:var(--ink-800);color:#E9F3F4;border-radius:var(--radius);
  padding:40px;display:grid;gap:20px;align-items:center;
}
:root[data-theme="dark"] .cta,
:root:not([data-theme="light"]) .cta{border:1px solid var(--line)}
@media (min-width:820px){.cta{grid-template-columns:1fr auto;gap:40px;padding:44px 48px}}
.cta h2{color:#FFFFFF}
.cta p{color:#A9C4CB;margin-top:10px}

/* ----------------------------------------------------------------- forms */
.form{display:grid;gap:16px;max-width:34rem}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:var(--step--1);font-weight:600;color:var(--ink-800)}
.field input,.field select,.field textarea{
  font:inherit;font-size:var(--step--1);color:var(--ink-800);background:var(--surface);
  border:1px solid var(--line);border-radius:8px;padding:10px 12px;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-wash)}
.field textarea{resize:vertical;min-height:120px}
.field__hint{font-size:.75rem;color:var(--muted)}
.formnote{font-size:var(--step--1);padding:12px 14px;border-radius:8px;background:var(--accent-wash);color:var(--accent-deep);border:1px solid color-mix(in srgb,var(--accent) 28%,transparent)}
.formnote[hidden]{display:none}

.split{display:grid;gap:44px}
@media (min-width:880px){.split{grid-template-columns:minmax(0,1fr) 20rem;gap:64px}}
.infocard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:flex;flex-direction:column;gap:16px;height:max-content;
}
.infocard dl{margin:0;display:flex;flex-direction:column;gap:14px}
.infocard dt{font-family:"IBM Plex Mono",monospace;font-size:.625rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.infocard dd{margin:3px 0 0;font-size:var(--step--1);color:var(--ink-800)}
.infocard a{text-decoration:none}
.infocard a:hover{text-decoration:underline}

/* about */
.tl{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0}
.tl li{display:grid;grid-template-columns:8rem 1fr;gap:20px;padding:18px 0;border-top:1px solid var(--line)}
.tl li:first-child{border-top:0}
.tl__k{font-family:"IBM Plex Mono",monospace;font-size:.75rem;color:var(--accent-deep);letter-spacing:.06em;padding-top:2px}
@media (max-width:640px){.tl li{grid-template-columns:1fr;gap:6px}}

/* ---------------------------------------------------------------- footer */
.foot{border-top:1px solid var(--line);padding:34px 0 44px;color:var(--muted);font-size:var(--step--1)}
.foot__in{display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center}
.foot a{color:var(--ink-600);text-decoration:none}
.foot a:hover{color:var(--accent-deep)}
.foot__right{margin-left:auto}

@media (max-width:760px){
  .navtoggle{display:grid}
  .nav{
    position:absolute;top:62px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 24px 16px;
  }
  .nav[hidden]{display:none}
  .nav a{padding:11px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:12px;justify-content:center}
  :root{--step-4:2.125rem;--step-3:1.625rem}
  .cta{padding:28px}
}