/* Mava Business Advisors - Automotive Business Value Guide */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0}
img{max-width:100%;height:auto}
[hidden]{display:none!important}

/* Layout: one calm reading column (~66ch) with a sticky chapter rail on wide screens; tools sit in quiet bordered panels inside the flow. */
:root{
  --paper:#FAF8F3;
  --surface:#FFFFFF;
  --ink:#0F1B2D;
  --slate:#5A6475;
  --line:#E7E1D4;
  --gold:#9A7A2E;
  --gold-hi:#C2A24A;
  --gold-soft:#F3ECDC;
  --good:#2F6B4F;
  --warn:#9A6A12;
  --bad:#A23B2A;
  --display:"Fraunces", Georgia, "Times New Roman", serif;
  --body:"Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0F1B2D; --surface:#16243A; --ink:#F1ECE1; --slate:#A6AFBD; --line:#26364F;
    --gold:#D2B460; --gold-hi:#E6CD82; --gold-soft:#1E2C42;
    --good:#7CC4A0; --warn:#E3B45A; --bad:#EE8B78; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#0F1B2D; --surface:#16243A; --ink:#F1ECE1; --slate:#A6AFBD; --line:#26364F;
  --gold:#D2B460; --gold-hi:#E6CD82; --gold-soft:#1E2C42;
  --good:#7CC4A0; --warn:#E3B45A; --bad:#EE8B78; color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--paper)}
a{color:var(--gold)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* top bar */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar-in{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wm{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink)}
.wm b{font-family:var(--display);font-weight:900;font-size:24px;line-height:1;letter-spacing:-.01em;background:linear-gradient(90deg,var(--gold),var(--gold-hi));-webkit-background-clip:text;background-clip:text;color:transparent}
.wm span{font-size:10px;font-weight:700;letter-spacing:.32em;color:var(--slate)}
.bar-cta{font-size:14px;font-weight:600;text-decoration:none;color:var(--ink);border:1px solid var(--line);padding:7px 14px;border-radius:999px;white-space:nowrap}
.bar-cta:hover{border-color:var(--gold)}
.progress{height:2px;background:transparent}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--gold-hi))}

/* cover */
.cover{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:64px 48px;border-bottom:1px solid var(--line)}
.cover-in{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:end}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--gold)}
h1{font-family:var(--display);font-weight:800;font-size:clamp(38px,6.2vw,72px);line-height:1.02;letter-spacing:-.025em;margin:14px 0 20px;text-wrap:balance;font-variation-settings:"opsz" 144}
h1 em{font-style:italic;font-weight:400;color:var(--gold)}
.lede{font-size:clamp(18px,2.1vw,21px);color:var(--slate);max-width:36em;margin:0}
.byline{display:flex;align-items:center;gap:12px;margin-top:28px;font-size:14px;color:var(--slate)}
.byline img{width:44px;height:44px;object-fit:cover;border-radius:50%}
.byline strong{color:var(--ink);display:block;font-weight:600}
.contents{border-left:1px solid var(--line);padding-left:24px}
.contents h2{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--slate);margin:0 0 10px;font-weight:700;font-family:var(--body)}
.contents ol{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.contents a{display:flex;gap:12px;padding:5px 0;text-decoration:none;color:var(--ink);font-size:15px}
.contents a span{color:var(--gold);font-variant-numeric:tabular-nums;min-width:22px;font-weight:600}
.contents a:hover{color:var(--gold)}

/* body grid */
.wrap{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:200px minmax(0,1fr);gap:64px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:56px 40px}
.rail{position:sticky;top:96px;align-self:start;font-size:13px}
.rail a{display:block;padding:6px 0 6px 14px;border-left:2px solid var(--line);color:var(--slate);text-decoration:none;line-height:1.35}
.rail a:hover{color:var(--ink)}
.rail a.on{border-left-color:var(--gold);color:var(--ink);font-weight:600}
main{min-width:0;max-width:720px}
section{padding-bottom:56px;margin-bottom:56px;border-bottom:1px solid var(--line)}
section:last-of-type{border-bottom:0}
.ch-n{font-family:var(--display);font-size:15px;font-style:italic;color:var(--gold)}
h2.ch{font-family:var(--display);font-weight:800;font-size:clamp(30px,4vw,42px);line-height:1.08;letter-spacing:-.02em;margin:6px 0 18px;text-wrap:balance;font-variation-settings:"opsz" 144}
.point{font-size:20px;line-height:1.5;font-weight:500;margin:0 0 24px;color:var(--ink)}
h3{font-family:var(--display);font-weight:600;font-size:22px;line-height:1.25;margin:36px 0 8px;letter-spacing:-.01em;text-wrap:balance}
p{margin:0 0 16px}
main ul{padding-left:20px;margin:0 0 16px}
main li{margin-bottom:6px}
.muted{color:var(--slate);font-size:14px}
blockquote.test{margin:24px 0;padding:24px 28px;background:var(--gold-soft);border-radius:4px;font-family:var(--display);font-size:24px;line-height:1.35;font-style:italic}

/* field note */
.field{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;margin:28px 0;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.field-tag{font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);writing-mode:vertical-rl;transform:rotate(180deg);border-right:1px solid var(--gold);padding-left:8px}
.field p{margin:0 0 8px}.field p:last-child{margin:0}

/* tools */
.tool{margin:28px 0;border:1px solid var(--line);background:var(--surface);border-radius:6px}
.tool-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line)}
.tool-h strong{font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:700}
.tool-h span{font-size:12px;color:var(--slate)}
.tool-b{padding:20px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}
.fields{display:grid;gap:16px;align-content:start}
label{display:grid;gap:6px;font-size:14px;font-weight:500;color:var(--slate)}
label output{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}
.lrow{display:flex;justify-content:space-between;gap:8px}
input[type=number]{font:inherit;font-size:16px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:9px 12px;width:100%;font-variant-numeric:tabular-nums}
input[type=range]{width:100%;accent-color:var(--gold)}
.result{display:grid;gap:10px;align-content:start;font-variant-numeric:tabular-nums}
.r-line{display:flex;justify-content:space-between;gap:12px;font-size:15px;padding-bottom:8px;border-bottom:1px dashed var(--line)}
.r-line span:first-child{color:var(--slate)}
.big{margin-top:6px}
.big b{display:block;font-family:var(--display);font-weight:800;font-size:44px;line-height:1;letter-spacing:-.02em;color:var(--gold)}
.big span{font-size:14px;color:var(--slate)}
.chip{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px;border:1px solid currentColor}
.chip.good{color:var(--good)}.chip.warn{color:var(--warn)}.chip.bad{color:var(--bad)}
.tool-note{padding:0 20px 16px;font-size:13px;color:var(--slate)}

/* lease ruler */
.ruler{position:relative;height:28px;margin-top:6px;border-radius:3px;background:linear-gradient(90deg,var(--bad) 0 20%,var(--warn) 20% 66.6%,var(--good) 66.6% 100%);opacity:.9}
.ruler i{position:absolute;top:-4px;width:3px;height:36px;background:var(--ink);border-radius:2px;transition:left .2s}
.ticks{display:flex;justify-content:space-between;font-size:12px;color:var(--slate);font-variant-numeric:tabular-nums;margin-top:4px}

/* tables */
.tbl{overflow-x:auto;margin:24px 0}
table{border-collapse:collapse;width:100%;font-size:15px;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);font-weight:700}
tr.total td{font-weight:700;border-bottom:2px solid var(--ink)}
td.num{text-align:right}

/* checklists */
.todo{margin:32px 0 0}
.todo h4{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin:0 0 10px;font-weight:700;display:flex;justify-content:space-between;gap:12px}
.todo h4 span{color:var(--slate);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.todo label{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-top:1px solid var(--line);color:var(--ink);font-size:16px;font-weight:400;cursor:pointer}
.todo input{margin-top:5px;width:18px;height:18px;accent-color:var(--gold);flex:none}
.todo input:checked + span{color:var(--slate);text-decoration:line-through;text-decoration-color:var(--gold)}

/* score */
.score-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:14px 0;border-top:1px solid var(--line)}
.score-row h5{margin:0;font-size:16px;font-weight:600}
.score-row p{margin:2px 0 0;font-size:13px;color:var(--slate);line-height:1.45}
.seg{display:flex;gap:4px}
.seg button{font:inherit;font-size:14px;font-weight:600;width:38px;height:38px;border-radius:4px;border:1px solid var(--line);background:var(--surface);color:var(--slate);cursor:pointer;font-variant-numeric:tabular-nums}
.seg button:hover{border-color:var(--gold);color:var(--ink)}
.seg button[aria-pressed=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.score-sum{position:sticky;bottom:calc(12px + env(safe-area-inset-bottom,0px));margin-top:20px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:16px 20px;background:var(--ink);color:var(--paper);border-radius:6px}
.score-sum b{font-family:var(--display);font-size:36px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.score-sum b small{font-size:16px;font-weight:400;opacity:.7}
.score-sum p{margin:0;font-size:14px;max-width:34em;opacity:.92}
.score-sum button{font:inherit;font-size:13px;background:none;border:1px solid color-mix(in srgb,var(--paper) 40%,transparent);color:var(--paper);border-radius:999px;padding:6px 12px;cursor:pointer}

/* faq + end */
details{border-top:1px solid var(--line);padding:14px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";color:var(--gold);font-size:22px;line-height:1}
details[open] summary::after{content:"\2212"}
details p{margin:10px 0 0;color:var(--slate)}
.cta{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:15px;padding:12px 20px;border-radius:999px;border:1px solid var(--ink)}
.btn.solid{background:var(--ink);color:var(--paper)}
.btn.ghost{color:var(--ink)}
.author{display:grid;grid-template-columns:96px minmax(0,1fr);gap:24px;align-items:start;margin-top:40px;padding-top:32px;border-top:1px solid var(--line)}
.author img{width:96px;height:96px;object-fit:cover;border-radius:50%;box-shadow:0 0 0 4px var(--gold-soft)}
.author h3{margin:2px 0 2px}
.author .role{color:var(--gold);font-weight:600;font-size:15px;margin-bottom:10px}
.contact{margin-top:20px;display:grid;gap:4px;font-size:15px}
.contact strong{font-weight:600}
footer{max-width:1180px;margin:0 auto;padding-block:24px 48px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));font-size:12px;color:var(--slate);border-top:1px solid var(--line)}

@media (max-width:980px){
  .wrap{grid-template-columns:minmax(0,1fr)}
  .rail{display:none}
  .cover-in{grid-template-columns:minmax(0,1fr);gap:36px}
  .contents{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:20px}
  main{max-width:none}
}
@media (max-width:620px){
  body{font-size:16px}
  .cover{padding-block:40px 32px}
  .tool-b{grid-template-columns:minmax(0,1fr)}
  .score-row{grid-template-columns:minmax(0,1fr)}
  .wm span{display:none}
  .author{grid-template-columns:minmax(0,1fr)}
  .field{grid-template-columns:minmax(0,1fr)}
  .field-tag{writing-mode:horizontal-tb;transform:none;border-right:0;padding-left:0}
}

/* mobile chapter menu */
.jump{display:none;font:inherit;font-size:14px;font-weight:600;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:7px 30px 7px 14px;max-width:46vw;appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--gold) 50%),linear-gradient(135deg,var(--gold) 50%,transparent 50%);background-position:calc(100% - 16px) 52%,calc(100% - 11px) 52%;background-size:5px 5px;background-repeat:no-repeat}
.bar-right{display:flex;align-items:center;gap:8px}
@media (max-width:980px){.jump{display:inline-block}}
@media (max-width:420px){.bar-cta{display:none}.jump{max-width:none}}