/* ---------------------------------------------------------------
   tripledouble.marketing
   Design tokens pulled verbatim from the shadcn/ui default (neutral) theme:
   raw.githubusercontent.com/shadcn-ui/ui/main/apps/v4/app/globals.css
   Not approximated.
--------------------------------------------------------------- */
:root{
  --radius:0.625rem;
  --background:oklch(1 0 0);
  --foreground:oklch(0% 0 0);
  --card:oklch(1 0 0);
  --primary:oklch(0% 0 0);
  --secondary:oklch(0.97 0 0);
  --muted-foreground:oklch(0.556 0 0);
  --border:oklch(0.922 0 0);
  --surface:oklch(0.98 0 0);

  --radius-sm:calc(var(--radius) * 0.6);
  --radius-md:calc(var(--radius) * 0.8);
  --radius-lg:var(--radius);
  --radius-xl:calc(var(--radius) * 1.4);

  --font-sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font-sans);background:var(--background);color:var(--foreground);
  line-height:1.55;-webkit-font-smoothing:antialiased;font-feature-settings:"cv11","ss01";
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:oklch(0% 0 0);color:oklch(1 0 0)}
:focus-visible{outline:2px solid var(--foreground);outline-offset:3px;border-radius:4px}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.rule{border:0;border-top:1px solid var(--border)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:24px;top:12px;z-index:50;background:#fff;padding:8px 14px;border:1px solid var(--border);border-radius:var(--radius-md)}

/* ---------- type ---------- */
h1,h2,h3{letter-spacing:-0.025em;line-height:1.12;font-weight:600}
h1{font-size:clamp(2.5rem,5.6vw,4rem);letter-spacing:-0.04em;line-height:1.04}
h2{font-size:clamp(1.7rem,3.1vw,2.3rem);letter-spacing:-0.03em}
h3{font-size:1.125rem;letter-spacing:-0.015em}
.lead{font-size:clamp(1.05rem,1.7vw,1.3rem);color:var(--muted-foreground);line-height:1.5}
.section-label{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted-foreground);margin-bottom:18px;
}

/* ---------- primitives ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--border);border-radius:calc(var(--radius) * 2);
  padding:5px 11px;font-size:.75rem;font-weight:500;
  background:var(--background);color:var(--muted-foreground);
}
.dot{width:6px;height:6px;border-radius:50%;background:oklch(0.72 0.19 145);display:inline-block}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 18px;border-radius:var(--radius-md);
  font-size:.9rem;font-weight:500;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;transition:opacity .15s,background .15s;
}
/* Pure white on black. shadcn's --primary-foreground is oklch(0.985 0 0), which reads
   slightly grey on a black button. House rule: no grey text on dark. */
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{opacity:.88}
.btn-outline{background:var(--background);border-color:var(--border);color:var(--foreground)}
.btn-outline:hover{background:var(--secondary)}
.card{
  border:1px solid var(--border);border-radius:var(--radius-lg);
  background:var(--card);padding:28px;transition:border-color .15s,background .15s;
}
a.card:hover{border-color:oklch(0.78 0 0);background:var(--surface)}
.chip{
  font-family:var(--font-mono);font-size:.72rem;
  border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:4px 9px;color:var(--muted-foreground);background:var(--surface);
}

/* ---------- nav ---------- */
header{
  position:sticky;top:0;z-index:20;background:oklch(1 0 0 / 82%);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-weight:600;letter-spacing:-0.02em;font-size:.95rem}
.brand span{color:var(--muted-foreground);font-weight:400}
.nav-links{display:flex;align-items:center;gap:26px;font-size:.875rem}
.nav-links a{color:var(--muted-foreground);transition:color .15s}
.nav-links a:hover,.nav-links a.on{color:var(--foreground)}
.nav .btn{height:34px;padding:0 14px;font-size:.825rem}

/* ---------- hero ---------- */
.hero{padding:96px 0 72px}
.hero h1{margin:22px 0 26px;max-width:16ch}
.hero .lead{max-width:54ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stat{padding:30px 28px 30px 0}
.stat + .stat{border-left:1px solid var(--border);padding-left:28px}
.stat .n{font-size:2rem;font-weight:600;letter-spacing:-0.04em;line-height:1}
.stat .l{font-size:.8rem;color:var(--muted-foreground);margin-top:9px;line-height:1.4}

/* ---------- sections ---------- */
section{padding:80px 0}
.sec-head{max-width:60ch;margin-bottom:44px}
.sec-head h2{margin-bottom:14px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* case cards */
.cs .eyebrow{font-size:.75rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-foreground);margin-bottom:14px}
.cs h3{margin-bottom:10px}
.cs p{font-size:.925rem;color:var(--muted-foreground);margin-bottom:20px}
.cs ul{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin-bottom:22px}
.cs li{font-family:var(--font-mono);font-size:.7rem;border:1px solid var(--border);border-radius:var(--radius-sm);padding:3px 8px;color:var(--muted-foreground);background:var(--surface)}
.cs .go{font-size:.85rem;font-weight:500;display:inline-flex;align-items:center;gap:6px}

/* supervision */
.sup{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.sup .card{display:flex;flex-direction:column;gap:12px}
.sup h3{font-size:1.05rem}
.sup p{font-size:.925rem;color:var(--muted-foreground)}
.k{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-foreground)}

/* services */
.svc{border-top:1px solid var(--border);padding:26px 0;display:grid;grid-template-columns:38px 1fr 1.25fr;gap:24px;align-items:start}
.svc .num{font-family:var(--font-mono);font-size:.75rem;color:var(--muted-foreground);padding-top:4px}
.svc h3{font-size:1rem}
.svc p{font-size:.925rem;color:var(--muted-foreground)}

/* stack */
.stack-group{border-top:1px solid var(--border);padding:22px 0;display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:start}
.stack-group h3{font-size:.925rem;padding-top:2px}
.chips{display:flex;flex-wrap:wrap;gap:7px}

/* engagement */
.eng h3{margin-bottom:8px}
.eng p{font-size:.9rem;color:var(--muted-foreground)}
.eng .k{margin-bottom:16px;display:block}

/* ---------- article / case study ---------- */
.article{display:grid;grid-template-columns:1fr 260px;gap:64px;align-items:start;padding:64px 0 32px}
.prose{max-width:68ch}
.prose p{margin-bottom:18px;color:var(--muted-foreground);font-size:1rem}
.prose p.big{color:var(--foreground);font-size:1.15rem;line-height:1.5}
.prose h2{margin:44px 0 16px;color:var(--foreground)}
.prose h3{margin:30px 0 12px}
.prose ul,.prose ol{margin:0 0 18px 22px;color:var(--muted-foreground)}
.prose li{margin-bottom:9px}
.prose strong{color:var(--foreground);font-weight:600}
.pull{border-left:2px solid var(--foreground);padding:4px 0 4px 20px;margin:28px 0;font-size:1.15rem;line-height:1.45;color:var(--foreground);letter-spacing:-0.015em}

.aside{position:sticky;top:84px;font-size:.85rem}
.aside .box{border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;background:var(--surface)}
.aside h4{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-foreground);font-weight:400;margin-bottom:12px}
.aside .row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px solid var(--border);color:var(--muted-foreground)}
.aside .row:last-child{border-bottom:0}
.aside .row b{font-weight:500;color:var(--foreground);text-align:right}
.aside .chips{margin-top:14px}

.crumb{font-size:.82rem;color:var(--muted-foreground);margin-bottom:18px}
.crumb a:hover{color:var(--foreground)}

/* ---------- about ---------- */
.about-top{display:grid;grid-template-columns:320px 1fr;gap:64px;align-items:start;padding:80px 0 56px}
.portrait{width:100%;aspect-ratio:4/5;border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--surface);object-fit:cover}
.meta{margin-top:20px;border-top:1px solid var(--border);padding-top:18px;font-size:.85rem}
.meta div{display:flex;justify-content:space-between;gap:12px;padding:5px 0;color:var(--muted-foreground)}
.meta div b{font-weight:500;color:var(--foreground);text-align:right}

/* ---------- cta + footer ---------- */
.band{background:var(--secondary);border-radius:var(--radius-xl);padding:56px 48px;text-align:center}
.band h2{margin-bottom:12px}
.band p{color:var(--muted-foreground);max-width:46ch;margin:0 auto 28px}
footer{border-top:1px solid var(--border);padding:32px 0;font-size:.825rem;color:var(--muted-foreground)}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.foot a:hover{color:var(--foreground)}

@media (max-width:900px){
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:24px 20px 24px 0}
  .stat:nth-child(3){border-left:0;padding-left:0;border-top:1px solid var(--border)}
  .stat:nth-child(4){border-top:1px solid var(--border)}
  .grid-2,.grid-3,.sup{grid-template-columns:1fr}
  .article,.about-top{grid-template-columns:1fr;gap:32px;padding-top:44px}
  .aside{position:static}
  .portrait{max-width:240px}
  .svc,.stack-group{grid-template-columns:1fr;gap:10px}
  .svc .num{display:none}
  .nav-links a:not(.btn){display:none}
  .hero{padding:64px 0 48px}
  section{padding:56px 0}
  .band{padding:40px 24px}
}

/* h1 in an article needs breathing room before the standfirst */
.prose h1{margin-bottom:22px}

/* Portrait: keep the face in frame when the box crops.
   height:auto is REQUIRED. The img carries width/height attributes for layout
   stability, and a presentational height attribute makes `aspect-ratio` inert
   (it only applies when height is auto), so without this the portrait renders
   at its full 1000px intrinsic height. */
.portrait{object-position:50% 35%;height:auto}