/* ============================================================
   Codas shared design system — from the 2026-04-22 design spec.
   ONE system, TWO dialects. Nothing below is site-specific.
   ============================================================ */

:root{
  /* --- colour --- */
  --ink:#0A0B14;
  --white:#FFFFFF;
  --slate-50:#F8FAFC;  --slate-100:#F1F5F9; --slate-200:#E2E8F0;
  --slate-300:#CBD5E1; --slate-400:#94A3B8; --slate-500:#64748B;
  --slate-600:#475569; --slate-700:#334155; --slate-800:#1E293B;
  --slate-900:#0F172A;
  --blue:#3B5FD9;          /* anchor — AA on white for normal text */
  --blue-graphic:#5B8DEF;  /* graphics / glows only. NEVER text on light. */
  --violet:#7C3AED;
  --magenta:#D946EF;
  --gradient:linear-gradient(135deg,#3B5FD9 0%,#7C3AED 50%,#D946EF 100%);
  --success:#22C55E; --warning:#FBBF24; --neutral:#475569;

  /* --- type --- */
  --font-display:'Space Grotesk',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --font-body:var(--font-display);
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --track-tight:-0.035em; --track-snug:-0.02em; --track-normal:-0.01em;
  --track-wide:0.04em;    --track-wider:0.12em; --track-widest:0.16em;

  --lead-display:0.98; --lead-heading:1.2; --lead-body:1.5;

  /* --- space (4pt rhythm) --- */
  --s1:4px;  --s2:8px;  --s3:12px; --s4:16px; --s5:20px; --s6:24px;
  --s8:32px; --s10:40px; --s12:48px; --s14:56px; --s16:64px;
  --s20:80px; --s24:96px; --s32:128px;

  /* --- radii --- */
  --r-sm:6px; --r-md:10px; --r-lg:14px; --r-xl:20px; --r-full:9999px;

  /* --- shadows --- */
  --sh-sm:0 4px 12px rgba(10,11,20,.04);
  --sh-md:0 6px 20px rgba(10,11,20,.06);
  --sh-lg:0 20px 48px rgba(10,11,20,.12);
  --glow-blue:0 0 24px rgba(59,95,217,.28);

  /* --- motion --- */
  --ease-out:cubic-bezier(.2,.8,.3,1);
  --ease-enter:cubic-bezier(.22,1,.36,1);   /* the entrance curve used across builderpad + meshtale */
  --dur-hover:150ms; --dur-enter:400ms; --dur-press:100ms;

  /* --- layout --- */
  --gutter:56px;
  --content-max:1328px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:17px;line-height:var(--lead-body);
     -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{margin:0;font-weight:500}
p{margin:0}

.wrap{width:100%;max-width:var(--content-max);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}

/* ---------- type roles ---------- */
.display-2xl{font-size:clamp(46px,7.4vw,88px);letter-spacing:var(--track-tight);line-height:var(--lead-display)}
.display-xl {font-size:clamp(42px,6.2vw,76px);letter-spacing:var(--track-tight);line-height:1.04}
.display-md {font-size:clamp(34px,4.4vw,48px);letter-spacing:var(--track-tight);line-height:1.08}
.heading-xl {font-size:clamp(26px,3vw,32px); letter-spacing:var(--track-snug); line-height:var(--lead-heading)}
.heading-md {font-size:24px;letter-spacing:var(--track-normal);line-height:1.25}
.heading-sm {font-size:20px;font-weight:600;letter-spacing:var(--track-normal);line-height:1.3}
.body-lg{font-size:20px;line-height:1.55}
.body-md{font-size:17px}
.body-sm{font-size:15px}

.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.marker{font-family:var(--font-mono);font-size:11px;font-weight:500;
        letter-spacing:var(--track-widest);text-transform:uppercase}
.metalabel{font-family:var(--font-mono);font-size:10px;font-weight:500;
        letter-spacing:var(--track-wider);text-transform:uppercase}

/* ---------- shared primitives ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
     font-family:var(--font-body);font-size:14px;font-weight:600;
     border-radius:var(--r-md);padding:14px 22px;min-height:48px;
     border:1px solid transparent;text-decoration:none;cursor:pointer;
     transition:background-color var(--dur-hover) var(--ease-out),
                border-color var(--dur-hover) var(--ease-out),
                color var(--dur-hover) var(--ease-out),
                transform 200ms var(--ease-out)}
.btn:active{transform:scale(.985)}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:3px solid var(--blue-graphic);outline-offset:3px}

.pill{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-full);
      padding:6px 14px;font-size:13px;font-weight:500}
.status{display:inline-flex;align-items:center;gap:5px;font-family:var(--font-mono);
        font-size:9px;font-weight:600;letter-spacing:var(--track-wider);
        text-transform:uppercase;padding:3px 8px;border-radius:var(--r-sm);border:1px solid}
.status .dot{width:5px;height:5px;border-radius:var(--r-full);flex:none}

.input{font-family:var(--font-body);font-size:16px;border-radius:var(--r-lg);
       padding:14px 16px;min-height:52px;width:100%;
       transition:border-color var(--dur-hover) var(--ease-out)}
.input:focus-visible{outline:3px solid var(--blue-graphic);outline-offset:2px}

/* ---------- logomark (shared silhouette) ---------- */
.mark{width:28px;height:28px;border-radius:8px;flex:none}
.mark--labs{background:var(--gradient)}
.mark--media{background:var(--ink);display:flex;align-items:center;justify-content:center}
.mark--media span{width:14px;height:14px;border-radius:var(--r-full);background:var(--blue-graphic);display:block}
.wordmark{font-size:17px;font-weight:600;letter-spacing:var(--track-normal)}

/* ---------- entrance motion ---------- */
.reveal{opacity:0;transform:translateY(14px);filter:blur(6px);
        transition:opacity 560ms var(--ease-enter),
                   transform 560ms var(--ease-enter),
                   filter 560ms var(--ease-enter)}
.reveal.in{opacity:1;transform:none;filter:none}

/* ---------- a11y ---------- */
.skip{position:absolute;left:-9999px;top:0;z-index:999;padding:12px 18px;border-radius:0 0 var(--r-md) 0}
.skip:focus{left:0}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
    clip:rect(0 0 0 0);white-space:nowrap;border:0}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}

@media (max-width:1024px){ :root{--gutter:32px} }
@media (max-width:640px){  :root{--gutter:20px} }

/* ============================================================
   CODAS LOCKUP — reproduces the real "CODAS / LABS" mark
   geometry (diagonal-split rounded rect, navy + magenta).
   Used for Codas Media, which has NO drawn logo of its own —
   this is a sibling proposal, not an approved mark.
   ============================================================ */
:root{ --codas-navy:#141D30; --codas-magenta:#BB00B3; }
.lockup{display:inline-flex;align-items:stretch;height:30px;border-radius:4px;overflow:hidden;
        font-family:var(--font-display);font-weight:700;font-size:14px;letter-spacing:.03em;
        line-height:1;flex:none}
.lockup .lk-a{background:var(--codas-navy);color:#fff;display:flex;align-items:center;
              padding:0 22px 0 11px;clip-path:polygon(0 0,100% 0,calc(100% - 15px) 100%,0 100%)}
.lockup .lk-b{background:var(--codas-magenta);color:#fff;display:flex;align-items:center;
              padding:0 12px 0 22px;margin-left:-15px;clip-path:polygon(15px 0,100% 0,100% 100%,0 100%)}
/* A child's clip-path wins over the parent's rounded overflow, so .lk-b's polygon was
   squaring off the badge's right end while the left end stayed rounded. Reads as a
   chopped logo. Let the parent round both ends instead: .lk-b goes back to a plain
   rectangle and .lk-a paints over it to cut the diagonal. .lockup--dark is excluded --
   its left half is transparent, so there it really is .lk-b that must carry the cut. */
.lockup:not(.lockup--dark) .lk-a{position:relative;z-index:1}
.lockup:not(.lockup--dark) .lk-b{clip-path:none}
/* CORRECTED 2026-09-01: a REAL Codas Media mark was found in the newsletter masthead
   (Brain/Content/Newsletter/multplier-light.png) — navy CODAS block + white MEDIA half,
   NOT magenta. This variant matches it. */
.lockup--media .lk-b{background:#fff;color:var(--codas-navy);
                     box-shadow:inset 0 0 0 1px var(--codas-navy)}
/* On a near-black ground the navy half (#141D30) is all but the same colour as the
   page (#0A0B14) and the block vanishes. Mark's call 2026-09-02: keep the badge and
   both halves exactly as drawn, and lift the dark half to a slate that separates.
   The mark still reads as itself in light and dark, rather than becoming a second mark. */
.lockup--onink .lk-a{background:#33405E}

/* an older, more drastic take: drop the dark half away entirely. Still used by labs.html. */
.lockup--dark .lk-a{background:transparent;padding-left:0}
.lockup--dark{border-radius:0}
.lockup--dark .lk-b{border-radius:3px}

/* ===================================================================
   EVENT / WEBINAR BAR  (2026-09-02)
   Shared by labs.html and media.html. Fixed to the very top; the page
   body and the sticky nav are both pushed down by the bar's MEASURED
   height (--wbar-h, set in JS), so a bar that wraps to two lines on a
   phone still leaves nothing overlapping. Switch it on/off in the
   WEBINAR config block at the top of each page's <body>.
   =================================================================== */
.wbar{position:fixed;top:0;left:0;right:0;z-index:80;
      background:var(--gradient);color:#fff}
.wbar[hidden]{display:none}
.wbar .wrap{display:flex;align-items:center;gap:var(--s5);
            min-height:52px;padding-top:8px;padding-bottom:8px}
.wb-kick{font-family:var(--font-mono);font-size:9px;font-weight:600;
         letter-spacing:var(--track-wider);text-transform:uppercase;
         background:rgba(255,255,255,.22);padding:5px 9px;
         border-radius:var(--r-sm);flex:none}
.wb-txt{font-size:15px;line-height:1.4;color:rgba(255,255,255,.92);margin:0}
.wb-title{font-weight:600;color:#fff}
.wb-when{color:rgba(255,255,255,.82)}
/* still-needs-your-copy, readable on the gradient rather than the amber
   used on white — #FBBF24 fails contrast over the magenta end. */
.wb-txt .need{color:#FFE9A8;font-weight:600}
.wb-cta{margin-left:auto;flex:none;font-size:14px;font-weight:600;color:#fff;
        text-decoration:none;background:rgba(255,255,255,.16);
        border:1px solid rgba(255,255,255,.38);border-radius:var(--r-full);
        padding:9px 17px;white-space:nowrap;
        transition:background-color var(--dur-hover) var(--ease-out)}
.wb-cta:hover{background:rgba(255,255,255,.3)}
.wb-cta:focus-visible{outline:3px solid #fff;outline-offset:3px}
.wb-x{flex:none;width:44px;height:44px;display:flex;align-items:center;
      justify-content:center;background:none;border:0;cursor:pointer;padding:0;
      color:rgba(255,255,255,.78);border-radius:var(--r-full);
      transition:color var(--dur-hover) var(--ease-out),
                 background-color var(--dur-hover) var(--ease-out)}
.wb-x:hover{color:#fff;background:rgba(255,255,255,.18)}
.wb-x:focus-visible{outline:3px solid #fff;outline-offset:2px}
html.has-wbar body{padding-top:var(--wbar-h,0px)}
html.has-wbar .nav{top:var(--wbar-h,0px)}
@media (max-width:760px){
  .wbar .wrap{flex-wrap:wrap;gap:var(--s3) var(--s4)}
  .wb-txt{flex:1 1 100%;order:2}
  .wb-x{order:1;margin-left:auto}
  .wb-cta{order:3;margin-left:0;width:100%;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  .wb-cta,.wb-x{transition:none}
}

/* ----- event bar: countdown ----- */
.wb-count{display:flex;align-items:center;gap:6px;flex:none}
.wb-count[hidden]{display:none}
.wb-seg{display:flex;flex-direction:column;align-items:center;min-width:40px;
        background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);
        border-radius:var(--r-sm);padding:4px 6px 5px}
.wb-seg b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;
          font-size:15px;font-weight:600;line-height:1;color:#fff}
.wb-seg i{font-style:normal;font-family:var(--font-mono);font-size:8px;font-weight:500;
          letter-spacing:var(--track-wider);text-transform:uppercase;
          color:rgba(255,255,255,.72);margin-top:3px}
.wb-live{display:inline-flex;align-items:center;gap:7px;flex:none;
         font-family:var(--font-mono);font-size:10px;font-weight:600;
         letter-spacing:var(--track-wider);text-transform:uppercase;color:#fff;
         background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.4);
         border-radius:var(--r-full);padding:6px 12px}
.wb-live[hidden]{display:none}
.wb-live .dot{width:7px;height:7px;border-radius:50%;background:#fff;
              animation:wb-pulse 1.6s var(--ease-out) infinite}
@keyframes wb-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.78)}}
@media (prefers-reduced-motion:reduce){ .wb-live .dot{animation:none} }
@media (max-width:760px){
  .wb-count,.wb-live{order:2}
  .wb-seg{min-width:36px}
}


/* ---------------------------------------------------------------
   One global switch rather than a block per animation. A new
   animation added later cannot forget to opt in.
   --------------------------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;filter:none;transition:none}
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
}