/* ============================================================================
   brozap design system  ·  assets/brozap.css
   Design tokens + components. Light & dark themes (system-aware + manual).
   Consumed by every brozap web surface (landing, legal, future apps/web).
   Theme: set data-theme="light|dark" on <html>; omit to follow the OS.
   ========================================================================== */

/* ---- Tokens: light (default) ---------------------------------------------- */
:root {
  /* brand scale */
  --brand-50:#e9f8f1; --brand-100:#cdeede; --brand-300:#6fd4ab;
  --brand:#0e9f6e; --brand-600:#0e9f6e; --brand-700:#0b7d57; --brand-800:#0a6346;
  --accent:#ff8a3d; --accent-soft:#fff2e8;

  /* surfaces & text */
  --bg:#f6faf8;
  --surface:#ffffff;
  --surface-2:#eef5f1;
  --text:#10241c;
  --text-muted:#5b6b64;
  --border:#e3ece8;

  /* semantic */
  --success:#0e9f6e; --warning:#d98a00; --danger:#d8453a; --info:#2f7ed8;

  /* elevation */
  --shadow-sm:0 1px 2px rgba(13,60,42,.06);
  --shadow:0 8px 30px rgba(13,60,42,.08);
  --shadow-lg:0 20px 50px rgba(13,60,42,.14);

  /* shape & motion */
  --radius-sm:10px; --radius:16px; --radius-lg:24px; --radius-pill:999px;
  --ring:0 0 0 3px rgba(14,159,110,.30);
  --speed:.16s;

  /* typography */
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --fs-xs:13px; --fs-sm:14.5px; --fs-base:16px; --fs-lg:18px;
  --fs-h3:clamp(18px,2.2vw,22px); --fs-h2:clamp(26px,4vw,38px); --fs-h1:clamp(33px,6vw,56px);

  /* spacing scale (8pt) */
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;

  /* layout */
  --maxw:1080px;
}

/* ---- Tokens: dark --------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --brand:#1fbe87; --brand-600:#1fbe87; --brand-700:#13b27e; --brand-800:#0e9f6e;
    --brand-50:#10241c; --brand-100:#14352a; --accent:#ff9d57; --accent-soft:#2a1f16;
    --bg:#0b1411; --surface:#11201b; --surface-2:#16291f;
    --text:#e7f1ec; --text-muted:#9fb2aa; --border:#213029;
    --shadow-sm:0 1px 2px rgba(0,0,0,.4);
    --shadow:0 8px 30px rgba(0,0,0,.45);
    --shadow-lg:0 20px 50px rgba(0,0,0,.55);
    --ring:0 0 0 3px rgba(31,190,135,.35);
  }
}
[data-theme="dark"] {
  --brand:#1fbe87; --brand-600:#1fbe87; --brand-700:#13b27e; --brand-800:#0e9f6e;
  --brand-50:#10241c; --brand-100:#14352a; --accent:#ff9d57; --accent-soft:#2a1f16;
  --bg:#0b1411; --surface:#11201b; --surface-2:#16291f;
  --text:#e7f1ec; --text-muted:#9fb2aa; --border:#213029;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow:0 8px 30px rgba(0,0,0,.45);
  --shadow-lg:0 20px 50px rgba(0,0,0,.55);
  --ring:0 0 0 3px rgba(31,190,135,.35);
}

/* ---- Reset / base --------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:var(--fs-base);line-height:1.6;
  color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;
  transition:background var(--speed) ease,color var(--speed) ease;
}
img,svg{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.15;letter-spacing:-.5px}
h1{font-size:var(--fs-h1);font-weight:850;letter-spacing:-1.5px}
h2{font-size:var(--fs-h2);font-weight:820;letter-spacing:-1px}
h3{font-size:var(--fs-h3);font-weight:750}
p{margin:0 0 1em}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:var(--radius-sm)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---- Layout --------------------------------------------------------------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:var(--s8) 0}
.stack>*+*{margin-top:var(--s4)}
.grid{display:grid;gap:var(--s5)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.center{text-align:center}
@media(max-width:880px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.grid-3{grid-template-columns:1fr}}
@media(max-width:680px){.grid-2,.grid-4{grid-template-columns:1fr}}

/* ---- Brand / logo --------------------------------------------------------- */
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:21px;
  letter-spacing:-.5px;color:var(--text)}
.brand:hover{text-decoration:none}
.brand .logo{width:34px;height:34px;border-radius:9px;display:block}

/* ---- Buttons -------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:var(--brand);color:#fff;font-weight:700;font-size:var(--fs-sm);
  padding:11px 20px;border-radius:var(--radius-pill);border:1px solid transparent;
  box-shadow:var(--shadow);cursor:pointer;transition:transform var(--speed),background var(--speed),filter var(--speed)}
.btn:hover{background:var(--brand-700);transform:translateY(-1px);text-decoration:none}
.btn:active{transform:translateY(0)}
.btn.ghost{background:var(--surface);color:var(--brand-700);border-color:var(--border);box-shadow:none}
.btn.ghost:hover{background:var(--surface-2)}
.btn.accent{background:var(--accent)}
.btn.sm{padding:7px 14px;font-size:var(--fs-xs)}
.btn.lg{padding:14px 26px;font-size:var(--fs-base)}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* icon button (theme toggle etc.) */
.icon-btn{width:40px;height:40px;border-radius:var(--radius-pill);border:1px solid var(--border);
  background:var(--surface);color:var(--text);display:grid;place-items:center;cursor:pointer;font-size:18px;
  transition:background var(--speed)}
.icon-btn:hover{background:var(--surface-2)}

/* ---- Cards ---------------------------------------------------------------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:var(--s5);box-shadow:var(--shadow)}
.card.flat{box-shadow:none}
.card .ic{width:48px;height:48px;border-radius:12px;background:var(--brand-50);
  display:grid;place-items:center;font-size:24px;margin-bottom:var(--s4)}

/* ---- Badges / pills ------------------------------------------------------- */
.pill{display:inline-block;background:var(--brand-50);color:var(--brand-700);font-weight:700;
  font-size:var(--fs-xs);padding:7px 15px;border-radius:var(--radius-pill);border:1px solid var(--brand-100)}
.badge{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;
  padding:3px 9px;border-radius:var(--radius-pill)}
.badge.success{background:var(--brand-50);color:var(--brand-700)}
.badge.warning{background:#fff4e0;color:var(--warning)}
.badge.danger{background:#fde8e6;color:var(--danger)}
.eyebrow{color:var(--brand);font-weight:800;text-transform:uppercase;letter-spacing:1.5px;
  font-size:var(--fs-xs);margin:0}

/* ---- Forms ---------------------------------------------------------------- */
.field{display:block;margin-bottom:var(--s4)}
.field label{display:block;font-weight:700;font-size:var(--fs-sm);margin-bottom:6px}
.input{
  width:100%;font:inherit;color:var(--text);background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 14px;
  transition:border-color var(--speed),box-shadow var(--speed)}
.input::placeholder{color:var(--text-muted)}
.input:focus{outline:none;border-color:var(--brand);box-shadow:var(--ring)}

/* ---- Header / nav --------------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:30;border-bottom:1px solid var(--border);
  background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:saturate(180%) blur(10px)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:66px}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a:not(.btn){color:var(--text-muted);font-weight:600;font-size:var(--fs-sm)}
.nav-links a:not(.btn):hover{color:var(--text);text-decoration:none}
@media(max-width:760px){.nav-links a:not(.btn):not(.always){display:none}}

/* ---- Footer --------------------------------------------------------------- */
.site-footer{border-top:1px solid var(--border);padding:var(--s6) 0;margin-top:var(--s6);
  color:var(--text-muted);font-size:var(--fs-sm)}
.site-footer .row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px;align-items:center}
.site-footer a{color:var(--text-muted);margin-left:18px;font-weight:600}
.site-footer a:hover{color:var(--text)}

/* ---- Utilities ------------------------------------------------------------ */
.muted{color:var(--text-muted)}
.lead{color:var(--text-muted);font-size:var(--fs-lg);max-width:640px;margin:0 auto var(--s6)}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.divider{height:1px;background:var(--border);border:0;margin:var(--s6) 0}

@media (prefers-reduced-motion: reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}
