/* /coaching/demo/marketing-sponsorship/ — the fourth deep demo.
 *
 * A sports sponsorship consultancy. Its own identity: off-white and ink,
 * Archivo, hairline rules, deep burgundy, and a great deal of whitespace.
 * Editorial and restrained on purpose — the reader is a commercial director
 * and the site is being judged on whether it reads like a firm.
 *
 * See core/demo_ms.py for what the research changed: valuation is the product,
 * the casebook is the deliverable format, and the two customers get a page
 * each because they want opposite things.
 *
 * Constraints, as everywhere: CSP `default-src 'none'; style-src 'self';
 * font-src 'self'`. No inline styles, no CDN, no external font, no JavaScript,
 * no raster images. Charts are inline SVG from core/demo_charts.py.
 */

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:root {
  --paper:#fbfbf9; --sand:#f2f1ec; --band:#f6f5f1; --line:#d9d7cf;
  --rule:#16160f; --dark:#16160f;
  --ink:#16160f; --ink-2:#3a3a33; --mute:#6a6a60;
  --acc:#7a1f2b; --acc-hi:#5e1721; --acc-soft:#f5e9ea; --on-acc:#fff;
  --disp:"Archivo",Georgia,serif; --body:"Archivo",system-ui,sans-serif;
  --r:2px;
}

*,*::before,*::after { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} }
body { margin:0; background:var(--paper); color:var(--ink); font-family:var(--body);
  font-size:17px; line-height:1.65; -webkit-font-smoothing:antialiased; }
h1,h2,h3 { margin:0; font-family:var(--disp); font-weight:700; line-height:1.08;
  letter-spacing:-.035em; }
h1 { font-size:clamp(2.1rem,5.2vw,3.4rem); }
h2 { font-size:clamp(1.4rem,3vw,2rem); }
p { margin:0 0 1em; }
a { color:var(--acc); }
ul,ol { margin:0; padding:0; list-style:none; }
:focus-visible { outline:3px solid var(--acc); outline-offset:2px; }

.rw { width:100%; max-width:1060px; margin:0 auto; padding:0 20px; }
.rw.narrow,.narrow { max-width:700px; }
.mt { margin-top:24px; } .mt-l { margin-top:44px; }
.sub { color:var(--ink-2); font-size:1.06rem; max-width:62ch; }
.lede { color:var(--ink-2); font-size:1.08rem; }
.strong { font-weight:700; color:var(--ink); }
.note { font-size:.82rem; color:var(--mute); margin:0; }
.kicker { font-size:.74rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:var(--acc); margin:0 0 14px; }

.ribbon { position:sticky; top:0; z-index:60; background:var(--dark); color:#fff; font-size:.82rem; }
.ribbon.is-personal { background:var(--acc); }
.ribbon .rw { display:flex; align-items:center; gap:12px; flex-wrap:wrap; padding:9px 20px; }
.ribbon-tag { background:#fff; color:var(--dark); padding:2px 10px; font-weight:700;
  font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; flex:none; }
.ribbon.is-personal .ribbon-tag { color:var(--acc); }
.ribbon-text { color:rgba(255,255,255,.85); flex:1 1 240px; }
.ribbon-cta { color:#fff; font-weight:700; text-decoration:underline; flex:none; }

.top { border-bottom:1px solid var(--rule); background:var(--paper); }
.top-in { display:flex; align-items:center; gap:22px; min-height:74px; }
.logo { text-decoration:none; color:var(--ink); }
.logo-n { display:block; font-family:var(--disp); font-weight:700; font-size:1.1rem; letter-spacing:-.03em; }
.logo-r { display:block; font-size:.72rem; color:var(--mute); letter-spacing:.1em; text-transform:uppercase; }
.menu { margin-left:auto; display:flex; gap:24px; }
.menu a { color:var(--ink-2); text-decoration:none; font-size:.88rem; }
.menu a:hover,.menu a.on { color:var(--acc); }
.top-r { display:flex; align-items:center; gap:14px; }
.langs { display:flex; gap:2px; }
.lang { padding:5px 8px; font-size:.76rem; font-weight:600; color:var(--mute); text-decoration:none; }
.lang abbr { text-decoration:none; border:0; }
.lang:hover { color:var(--ink); } .lang.on { color:var(--acc); border-bottom:2px solid var(--acc); }

.cta { display:inline-block; background:var(--acc); color:var(--on-acc); padding:13px 24px;
  font-weight:600; font-size:.92rem; text-decoration:none; border:1px solid var(--acc);
  border-radius:var(--r); }
.cta:hover { background:var(--acc-hi); border-color:var(--acc-hi); color:#fff; }
.cta-sm { padding:8px 15px; font-size:.84rem; }
.cta-block { display:block; text-align:center; width:100%; }
.cta-ghost { background:transparent; color:var(--ink); border-color:var(--rule); }
.cta-ghost:hover { background:var(--ink); border-color:var(--ink); color:var(--paper); }
.btn-row { display:flex; flex-wrap:wrap; gap:12px; margin:28px 0 0; }

.crumbs { border-bottom:1px solid var(--line); font-size:.82rem; color:var(--mute); }
.crumbs .rw { padding:11px 20px; }
.crumbs a { color:var(--ink-2); text-decoration:none; } .crumbs span { margin:0 6px; }

.hero { padding:74px 0 66px; border-bottom:1px solid var(--rule); }
.hero-text { border-top:3px solid var(--rule); padding-top:28px; }
.hero h1 { max-width:15ch; margin-bottom:18px; }
.page-head { padding:50px 0 32px; } .page-head h1 { margin-bottom:14px; }

.stats { border-top:1px solid var(--rule); border-bottom:1px solid var(--rule); padding:36px 0; }
.stats-in { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.stats b { display:block; font-family:var(--disp); font-size:2.1rem; letter-spacing:-.04em; }
.stats span { font-size:.78rem; color:var(--mute); letter-spacing:.06em; text-transform:uppercase; }

.block { padding:66px 0; }
.block.band { background:var(--band); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.block h2 { margin-bottom:12px; }
.head-row { display:flex; align-items:baseline; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.more-link { font-size:.84rem; font-weight:600; }

/* The fork */
.fork { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.fk { display:grid; gap:8px; padding:28px; text-decoration:none; color:inherit;
  border:1px solid var(--rule); background:var(--paper); transition:background .15s ease; }
.fk:hover { background:var(--sand); }
.fk-t { font-family:var(--disp); font-weight:700; font-size:1.2rem; letter-spacing:-.03em; }
.fk-b { font-size:.94rem; color:var(--ink-2); }
.fk-c { font-size:.86rem; font-weight:600; color:var(--acc); margin-top:6px; }

/* Valuation */
.val { display:grid; grid-template-columns:1.05fr .95fr; gap:36px; align-items:start; }
.val-who { font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color:var(--mute); margin:0 0 12px; }
.tablewrap { overflow-x:auto; }
.grid { width:100%; border-collapse:collapse; font-size:.92rem; min-width:460px; }
.grid th { text-align:left; font-size:.7rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--mute); font-weight:700; padding:0 14px 10px 0; border-bottom:1px solid var(--rule); }
.grid td { padding:12px 14px 12px 0; border-bottom:1px solid var(--line); color:var(--ink-2); }
.grid tfoot td { border-top:2px solid var(--rule); border-bottom:0; padding-top:14px; }
.g-name { color:var(--ink); font-weight:600; }
.g-v { font-family:var(--disp); font-weight:700; color:var(--ink); white-space:nowrap; }
.g-tot { font-size:1.15rem; color:var(--acc); }
.g-b { font-size:.86rem; color:var(--mute); }
.pub { font-size:.72rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase;
  padding:2px 9px; border:1px solid; white-space:nowrap; }
.p-public { color:var(--acc); border-color:var(--acc); }
.p-private { color:var(--mute); border-color:var(--line); }

/* Charts */
.chart { margin:0; border:1px solid var(--line); padding:22px; background:var(--paper); }
.ch-h { font-size:.72rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  color:var(--mute); margin:0 0 16px; display:flex; gap:14px; flex-wrap:wrap; align-items:center; }
.ch-key { display:inline-flex; align-items:center; gap:6px; font-weight:400; text-transform:none;
  letter-spacing:0; color:var(--mute); }
.k-a,.k-b { width:12px; height:12px; display:inline-block; }
.k-a { background:var(--ink); } .k-b { background:var(--acc); }
.ch-svg { width:100%; height:auto; display:block; }
.ch-cap { font-size:.84rem; color:var(--mute); margin:14px 0 0; }
.ch-grid line { stroke:var(--line); stroke-width:1; }
.ch-grid text { fill:var(--mute); font-size:15px; }
.ch-axis { stroke:var(--rule); stroke-width:1.5; }
.ln-home { fill:none; stroke:var(--acc); stroke-width:4; stroke-linejoin:round; stroke-linecap:round; }
.bar { fill:var(--ink); } .bar-a { fill:var(--ink); } .bar-b { fill:var(--acc); }
.bar-v { fill:var(--mute); font-size:14px; } .bar-l { fill:var(--mute); font-size:13px; }

/* Cases */
.case-feat { display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:start; }
.cs-h { font-size:.7rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:var(--mute); margin:20px 0 5px; }
.cs-p { margin:0; color:var(--ink-2); }
.cgrid { display:grid; grid-template-columns:1fr 1fr; gap:22px; align-items:start; }
.ccase { border:1px solid var(--rule); padding:28px; }
.cc-t { font-size:1.35rem; margin:0 0 4px; }
.cc-t a { color:var(--ink); text-decoration:none; } .cc-t a:hover { color:var(--acc); }
.cc-v { font-family:var(--disp); font-weight:700; color:var(--acc); margin:0 0 8px; }
.deltas { display:grid; gap:14px; margin:24px 0; }
.deltas.wide { grid-template-columns:repeat(3,1fr); }
.deltas li { display:grid; gap:2px; border-top:2px solid var(--rule); padding-top:10px; }
.dl-l { font-size:.7rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--mute); }
.deltas b { font-family:var(--disp); font-size:1.7rem; letter-spacing:-.03em; line-height:1.1; }
.dl-b { font-size:.8rem; color:var(--mute); }

/* Services */
.sgrid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; align-items:start; }
.svc { border:1px solid var(--rule); padding:28px; }
.svc-t { font-family:var(--disp); font-weight:700; font-size:1.15rem; letter-spacing:-.03em; margin:0 0 6px; }
.svc-p { font-family:var(--disp); font-weight:700; font-size:1.7rem; color:var(--acc); margin:0 0 12px; }
.svc-l { font-size:.93rem; color:var(--ink-2); margin:0 0 18px; }
.ticks { display:grid; gap:9px; margin:0 0 22px; }
.ticks li { font-size:.88rem; color:var(--ink-2); padding-left:20px; position:relative; }
.ticks li::before { content:""; position:absolute; left:0; top:.62em; width:9px; height:1px; background:var(--acc); }

/* Steps, method, creds */
.steps { display:grid; gap:22px; max-width:70ch; }
.steps li { display:flex; gap:16px; align-items:flex-start; }
.steps .n { flex:none; width:32px; height:32px; display:grid; place-items:center;
  border:1px solid var(--rule); font-family:var(--disp); font-weight:700; }
.s-h { font-weight:700; margin:0 0 4px; } .s-p { font-size:.94rem; color:var(--ink-2); margin:0; }
.mgrid3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.mi { border-top:2px solid var(--rule); padding-top:14px; }
.mi-h { font-family:var(--disp); font-weight:700; font-size:1.05rem; margin:0 0 6px; }
.mi-p { font-size:.93rem; color:var(--ink-2); margin:0; }
.about-head { display:grid; grid-template-columns:1.3fr .7fr; gap:44px; align-items:start; }
.creds,.cbox { border:1px solid var(--rule); padding:26px; }
.cr-h { font-size:.7rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:var(--mute); margin:0 0 12px; }
.cr-list { display:grid; gap:12px; }
.cr-list li { display:grid; gap:2px; }
.cr-list b { font-family:var(--disp); font-size:1rem; }
.cr-list span { font-size:.82rem; color:var(--mute); }
.cb-v { font-size:.93rem; color:var(--ink-2); margin:0 0 4px; }

details { border-bottom:1px solid var(--line); }
details summary { cursor:pointer; list-style:none; padding:18px 32px 18px 0; position:relative; font-weight:600; }
details summary::-webkit-details-marker { display:none; }
details summary::after { content:""; position:absolute; right:6px; top:25px; width:9px; height:9px;
  border-right:1.5px solid var(--mute); border-bottom:1.5px solid var(--mute); transform:rotate(45deg); }
details[open] summary::after { transform:rotate(-135deg); top:29px; }
details p { margin:0 0 18px; color:var(--ink-2); }

/* Forms + footer */
.contact-grid { display:grid; grid-template-columns:1.2fr .8fr; gap:34px; align-items:start; }
.bform { display:grid; gap:15px; border:1px solid var(--rule); padding:28px; }
.bform label { display:grid; gap:6px; font-size:.7rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; }
.bform input,.bform textarea,.bform select { font:inherit; font-size:.95rem; padding:12px 14px;
  border:1px solid var(--line); background:var(--sand); color:var(--mute); resize:vertical;
  text-transform:none; letter-spacing:0; }
.signup { border-top:1px solid var(--rule); padding:44px 0; background:var(--sand); }
.signup-in { display:grid; grid-template-columns:1fr auto; gap:28px; align-items:center; }
.signup h2 { margin:0 0 6px; } .signup .sub { margin:0; }
.nform { display:flex; gap:10px; }
.nform input { font:inherit; padding:13px 16px; border:1px solid var(--line); min-width:250px;
  background:var(--paper); color:var(--mute); }
.foot { background:var(--dark); color:rgba(255,255,255,.72); padding:46px 0 56px; font-size:.9rem; }
.foot-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:26px;
  padding-bottom:26px; border-bottom:1px solid rgba(255,255,255,.16); }
.foot-name { color:#fff; font-family:var(--disp); font-weight:700; font-size:1.1rem; margin:0 0 4px; }
.foot-note { margin:0 0 4px; }
.foot-h { font-size:.68rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:rgba(255,255,255,.45); margin:0 0 5px; }
.foot-ex { margin-top:22px; } .foot-cta a { color:#fff; font-weight:600; }
.dock { display:none; }

@media (max-width:900px){
  .hero-in,.val,.case-feat,.about-head,.contact-grid,.signup-in { grid-template-columns:1fr; }
  .fork,.sgrid,.cgrid,.mgrid3,.deltas.wide { grid-template-columns:1fr; }
  .stats-in { grid-template-columns:repeat(2,1fr); }
  .menu { display:none; }
}
@media (max-width:560px){
  body { font-size:16px; }
  .hero { padding:46px 0 42px; } .block { padding:46px 0; }
  .nform { flex-direction:column; } .nform input { min-width:0; }
  .dock { position:fixed; left:0; right:0; bottom:0; z-index:55; padding:10px 16px;
    padding-bottom:calc(10px + env(safe-area-inset-bottom,0px));
    background:rgba(251,251,249,.97); border-top:1px solid var(--rule); }
  body.has-dock { padding-bottom:78px; }
}