/* ==========================================================================
   Systems Drag Index — systemsdragindex.com
   One stylesheet. One set of tokens. Do not add <style> blocks to pages.
   Palette and typefaces per Brand Standards v2.1 (locked).

   COLOUR CARRIES MEANING ON THIS SITE.
   Signal Teal  = the system carries it.
   Alert Ember  = the operator routes it. Drag.
   These match the Systems Growth Map legend. Do not use either decoratively.
   ========================================================================== */

:root{
  --paper:      #0b1f2a;   /* Paper */
  --bone:       #1a2f3b;   /* Bone */
  --ink:        #f4efe6;   /* Ink */
  --teal:       #3db8b2;   /* Signal Teal */
  --ember:      #f08b3a;   /* Alert Ember */

  --ink-dim:    #b4c2cc;
  --ink-faint:  #7d8f9a;
  --rule:       #22394a;

  --display: 'Archivo Narrow','Helvetica Neue',Arial,sans-serif;
  --body:    'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:    'JetBrains Mono',ui-monospace,monospace;

  --t-hero:  clamp(2.5rem, 6vw, 4.75rem);
  --t-lead:  clamp(1.75rem, 3.6vw, 2.9rem);
  --t-sect:  clamp(1.5rem, 2.8vw, 2.15rem);
  --t-sub:   1.25rem;
  --t-body:  1rem;
  --t-small: 0.875rem;

  --frame: 1120px;
  --gutter: clamp(1.25rem, 5vw, 3.5rem);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:var(--t-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  display:flex;
  flex-direction:column;
  min-height:100vh;
}

a{color:inherit}

:focus-visible{outline:2px solid var(--teal);outline-offset:3px}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);
  padding:.75rem 1rem;font-size:var(--t-small);z-index:20}
.skip:focus{left:0}

.wrap{width:100%;max-width:var(--frame);margin-inline:auto;padding-inline:var(--gutter)}

/* ========================================================== masthead ===== */

.masthead{border-bottom:1px solid var(--rule)}
.masthead .wrap{display:flex;align-items:center;justify-content:space-between;
  gap:2rem;padding-block:1.1rem}

.brand{display:inline-flex;align-items:center;gap:.7rem;text-decoration:none}
.brand-mark{width:34px;height:34px;display:block;flex:none}
.brand-name{display:block;font-family:var(--display);font-weight:600;font-size:1.2rem;
  letter-spacing:-.005em;line-height:1.1}
.brand-name sup{font-size:.5em;vertical-align:super;font-weight:500}
.brand-line{display:block;font-family:var(--body);font-size:11.5px;color:var(--ink-faint);
  line-height:1.2;margin-top:2px;font-weight:400}

/* Trade mark symbol: present, never loud. */
sup{font-size:.52em;vertical-align:super;line-height:0;font-weight:500}

.menu{display:flex;align-items:baseline;gap:1.6rem}
.menu a{font-size:var(--t-small);color:var(--ink-dim);text-decoration:none;padding-block:.25rem}
.menu a:hover{color:var(--ink)}
.menu a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -1px 0 var(--teal)}

/* ============================================================== hero ===== */

main{flex:1}

.hero .wrap{padding-block:clamp(3rem,8vw,6rem) clamp(2.5rem,6vw,4.5rem)}

.hero h1{
  font-family:var(--display);font-weight:600;
  font-size:var(--t-hero);line-height:1.02;letter-spacing:-.03em;
  margin:0 0 1.5rem;max-width:20ch;
}

.hero-sub{font-size:var(--t-sub);line-height:1.6;color:var(--ink-dim);
  max-width:60ch;margin:0 0 1.75rem}

.stance{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.15rem,2vw,1.4rem);line-height:1.4;letter-spacing:-.005em;
  color:var(--ink);max-width:52ch;margin:0 0 2.25rem;
  padding-left:1.15rem;border-left:2px solid var(--teal);
}

/* ============================================================== call ===== */

.call{display:flex;flex-wrap:wrap;align-items:baseline;gap:.9rem 1.5rem;margin:0}

.go{
  display:inline-block;text-decoration:none;
  font-family:var(--display);font-weight:600;font-size:1.05rem;
  color:var(--paper);background:var(--teal);
  padding:.7rem 1.4rem;
}
.go:hover{background:var(--ink)}

.call-note{font-size:var(--t-small);color:var(--ink-faint);margin:0;max-width:none}

/* =========================================================== sections ==== */

.band{border-top:1px solid var(--rule)}
.band .wrap{padding-block:clamp(2.75rem,6vw,4.75rem)}

h2{font-family:var(--display);font-weight:600;font-size:var(--t-sect);
  line-height:1.1;letter-spacing:-.02em;margin:0 0 1rem;max-width:24ch}
h3{font-family:var(--display);font-weight:600;margin:0}

p{margin:0 0 1.1rem;max-width:66ch}
p:last-child{margin-bottom:0}
.dim{color:var(--ink-dim)}
.lede{font-size:1.0625rem;color:var(--ink-dim);max-width:62ch;margin:0 0 2.5rem}

/* ============================================================ drivers ==== */

.drivers{display:grid;gap:0;margin:0}
.driver{border-top:1px solid var(--rule);padding-block:1.5rem;
  display:grid;gap:.4rem 2.5rem}
@media(min-width:820px){.driver{grid-template-columns:15rem 1fr}}

.driver-name{font-family:var(--display);font-weight:600;font-size:1.15rem;
  letter-spacing:-.005em;margin:0}
.driver-says{font-family:var(--display);font-weight:500;font-size:1.15rem;
  line-height:1.35;color:var(--ink);margin:0 0 .5rem;max-width:44ch}
.driver-is{color:var(--ink-dim);font-size:var(--t-small);line-height:1.6;
  margin:0;max-width:52ch}

/* ========================================================== outcomes ===== */

.returns{display:grid;gap:1.75rem}
@media(min-width:760px){.returns{grid-template-columns:repeat(3,1fr);gap:2.5rem}}
.ret h3{font-size:1.1rem;margin:0 0 .45rem}
.ret p{color:var(--ink-dim);font-size:var(--t-small);line-height:1.65;margin:0;max-width:38ch}

/* ======================================================== growth map ===== */

.map{margin:0}
.map-pair{display:grid;gap:1.5rem}
@media(min-width:900px){.map-pair{grid-template-columns:1fr 1fr}}
.map-panel{border:1px solid var(--rule);padding:1rem}
.map-panel h3{font-size:.95rem;font-weight:600;margin:0 0 .15rem}
.map-panel h3.good{color:var(--teal)}
.map-panel .cap{font-size:var(--t-small);color:var(--ink-faint);margin:0 0 .75rem}
.map-panel svg{width:100%;height:auto;display:block}

.legend{display:flex;flex-wrap:wrap;gap:.75rem 1.75rem;margin:1.25rem 0 0;
  padding:0;list-style:none;font-size:var(--t-small);color:var(--ink-dim)}
.legend li{display:flex;align-items:center;gap:.5rem}
.swatch{width:11px;height:11px;flex:none}

.map-read{margin-top:2rem;display:grid;gap:.9rem;max-width:70ch}
.map-read p{margin:0;color:var(--ink-dim)}
.map-read b{color:var(--ink);font-weight:600}

/* ============================================================ report ===== */

.spec{display:grid;gap:1.5rem;border-top:1px solid var(--rule);
  border-bottom:1px solid var(--rule);padding-block:1.5rem;margin:0 0 3rem}
@media(min-width:700px){.spec{grid-template-columns:repeat(3,1fr);gap:2.5rem}}
.spec dt{font-size:var(--t-small);color:var(--ink-faint);margin:0 0 .3rem}
.spec dd{margin:0;font-family:var(--mono);font-size:1.35rem;font-weight:500;
  line-height:1.1;letter-spacing:-.02em}
.spec .qual{display:block;font-family:var(--body);font-size:var(--t-small);
  font-weight:400;color:var(--ink-dim);letter-spacing:0;margin-top:.4rem}

.sheets{display:grid;gap:0}
.sheet{border-top:1px solid var(--rule);padding-block:1.35rem;
  display:grid;gap:.35rem 2rem}
@media(min-width:760px){.sheet{grid-template-columns:3.5rem 1fr}}
.sheet-no{font-family:var(--mono);font-size:1.05rem;color:var(--teal);
  font-weight:500;line-height:1.4}
.sheet h3{font-size:1.1rem;margin:0 0 .35rem}
.sheet p{color:var(--ink-dim);font-size:var(--t-small);line-height:1.65;margin:0;max-width:62ch}

/* ============================================================== form ===== */

.form{display:grid;gap:1.25rem;max-width:32rem;margin:0}
.field{display:grid;gap:.4rem}
.field label{font-size:var(--t-small);color:var(--ink-dim)}
.req{color:var(--ember)}
.opt{color:var(--ink-faint)}
.field input,.field select,.field textarea{
  width:100%;background:var(--paper);border:1px solid var(--rule);
  color:var(--ink);font-family:var(--body);font-size:var(--t-body);
  padding:.7rem .8rem;border-radius:0;outline:none}
.field textarea{min-height:8rem;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal)}
.field .help{font-size:var(--t-small);color:var(--ink-faint);margin:0}

.submit{justify-self:start;font-family:var(--display);font-weight:600;
  font-size:1.05rem;color:var(--paper);background:var(--teal);
  border:0;padding:.7rem 1.4rem;cursor:pointer}
.submit:hover{background:var(--ink)}
.submit:disabled{opacity:.6;cursor:default}

.form-note{font-size:var(--t-small);color:var(--ink-faint);max-width:44ch;margin:0}
.form-note a{color:var(--ink-dim)}

.sent{border-left:2px solid var(--teal);padding-left:1.15rem;max-width:44ch}
.sent h3{font-size:1.25rem;margin:0 0 .5rem}
.sent p{color:var(--ink-dim);margin:0}

/* =========================================================== document ==== */

.doc .wrap{padding-block:clamp(2.5rem,6vw,4rem) clamp(3rem,7vw,5rem)}
.doc h1{font-family:var(--display);font-weight:600;font-size:var(--t-lead);
  line-height:1.08;letter-spacing:-.025em;margin:0 0 .5rem;max-width:20ch}
.doc-meta{font-size:var(--t-small);color:var(--ink-faint);margin:0 0 2.5rem}
.doc h2{font-size:1.3rem;margin:2.75rem 0 .9rem;padding-top:1.75rem;
  border-top:1px solid var(--rule);max-width:none}
.doc h3{font-size:1.05rem;margin:1.75rem 0 .5rem}
.doc p,.doc li{color:var(--ink-dim);max-width:70ch}
.doc ul{padding-left:1.15rem;margin:0 0 1.1rem}
.doc li{margin-bottom:.45rem}
.doc strong{color:var(--ink);font-weight:600}
.doc a{color:var(--ink)}

.short{border-left:2px solid var(--teal);padding-left:1.15rem;margin:0 0 2rem}
.short p{margin:0;color:var(--ink)}

.doc table{width:100%;border-collapse:collapse;margin:0 0 1.5rem;font-size:var(--t-small)}
.doc th,.doc td{text-align:left;vertical-align:top;padding:.7rem .9rem .7rem 0;
  border-bottom:1px solid var(--rule);color:var(--ink-dim)}
.doc th{color:var(--ink);font-weight:600}

/* ============================================================ footer ===== */

.foot{border-top:1px solid var(--rule)}
.foot .wrap{padding-block:1.5rem 2.5rem;display:flex;flex-wrap:wrap;
  gap:.6rem 2rem;align-items:baseline}
.foot p{font-size:var(--t-small);color:var(--ink-faint);margin:0;max-width:none}
.foot a{color:var(--ink-faint);text-decoration:none;
  box-shadow:inset 0 -1px 0 var(--rule)}
.foot a:hover{color:var(--ink-dim)}
.foot sup{font-size:.6em;vertical-align:super}

/* ============================================================= small ===== */

@media(max-width:760px){
  .masthead .wrap{flex-direction:column;align-items:flex-start;gap:.9rem;padding-block:1rem}
  .menu{flex-wrap:wrap;gap:.9rem 1.25rem}
}