:root{
  /* Brand palette sampled from the K&B logo */
  --ink:#0F1240;        /* logo navy */
  --ink-2:#1B1F55;
  --ink-3:#2A2F6B;
  --paper:#FBFAF8;
  --paper-2:#F2F0EC;
  --line:#E1DDD6;
  --muted:#5B6070;
  --accent:#A84D4D;     /* logo red */
  --accent-soft:#CE8F8B;
  --white:#fff;
  --radius:2px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
img,svg{max-width:100%}
/* long unbreakable strings (email addresses) must never force page-wide scroll */
footer a,.contact-item .v,.aside .v{overflow-wrap:anywhere}
body{
  font-family:"Inter","Helvetica Neue",Helvetica,Arial,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  font-size:16.5px;
}
h1,h2,h3,h4,.serif{font-family:"Georgia","Times New Roman",serif;font-weight:400;letter-spacing:-0.01em;line-height:1.18}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.eyebrow{
  font-size:11px;letter-spacing:.20em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:18px;display:block;
}
.eyebrow.on-dark{color:var(--accent-soft)}
.lede{font-size:19px;color:var(--muted);max-width:62ch}
.lede.on-dark{color:rgba(255,255,255,.72)}

/* ---------- header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,247,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:13px}
.mark{width:42px;height:42px;color:var(--ink);flex:0 0 auto;display:block}
.mark svg{width:100%;height:100%;display:block}
.brand-txt{line-height:1.25}
.brand-name{font-family:Georgia,serif;font-size:16px;letter-spacing:.01em}
.brand-sub{font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.menu{display:flex;align-items:center;gap:30px}
.menu a{font-size:13.5px;color:var(--ink-2);padding:6px 0;border-bottom:1px solid transparent;transition:.2s}
.menu a:hover{border-bottom-color:var(--accent)}
.menu a.active{border-bottom-color:var(--accent);color:var(--ink)}
.menu a.btn{color:var(--white);border-bottom:1px solid var(--ink)}
.menu a.btn:hover{color:var(--ink);border-color:var(--ink)}
.btn{
  display:inline-block;padding:13px 26px;font-size:13px;letter-spacing:.08em;
  text-transform:uppercase;font-weight:600;border:1px solid var(--ink);
  background:var(--ink);color:var(--white);transition:.2s;cursor:pointer;
}
.btn:hover{background:transparent;color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--white)}
.btn.on-dark{border-color:var(--accent);background:var(--accent);color:#fff}
.btn.on-dark:hover{background:transparent;color:var(--accent-soft);border-color:var(--accent-soft)}
.btn.ghost.on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn.ghost.on-dark:hover{background:#fff;color:var(--ink);border-color:#fff}
.burger{display:none;background:none;border:0;font-size:22px;color:var(--ink);cursor:pointer}

/* ---------- sections ---------- */
section{padding:96px 0}
.dark{background:var(--ink);color:#fff}
.dark h1,.dark h2,.dark h3{color:#fff}
.tint{background:var(--paper-2)}
.section-head{max-width:70ch;margin-bottom:56px}
.section-head h2{font-size:38px;margin-bottom:20px}
.rule{width:56px;height:2px;background:var(--accent);margin-bottom:26px}

/* ---------- hero ---------- */
.hero{padding:120px 0 108px;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.hero:after{
  content:"";position:absolute;right:-180px;top:-120px;width:620px;height:620px;
  border:1px solid rgba(206,143,139,.20);border-radius:50%;
}
.hero:before{
  content:"";position:absolute;right:-60px;bottom:-260px;width:520px;height:520px;
  border:1px solid rgba(206,143,139,.13);border-radius:50%;
}
.hero .wrap{position:relative;z-index:2}
#approach{scroll-margin-top:92px}
.hero h1{font-size:56px;max-width:20ch;margin-bottom:26px}
.hero .lede{font-size:20px;color:rgba(255,255,255,.74);max-width:58ch;margin-bottom:38px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);
  margin-top:72px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-strip div{background:var(--ink);padding:24px 22px 4px}
.hero-strip .n{font-family:Georgia,serif;font-size:13px;color:var(--accent-soft);display:block;margin-bottom:8px}
.hero-strip .t{font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.4}

/* ---------- cards ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:var(--white);border:1px solid var(--line);padding:36px 32px;
  transition:.22s;display:flex;flex-direction:column;
}
.card:hover{border-color:var(--accent);transform:translateY(-3px)}
.card .num{font-family:Georgia,serif;font-size:12px;color:var(--accent);letter-spacing:.14em;margin-bottom:16px}
.card h3{font-size:23px;margin-bottom:14px}
.card p{font-size:15px;color:var(--muted);margin-bottom:18px}
.card ul{list-style:none;font-size:14px;color:var(--ink-2);margin-bottom:22px}
.card li{padding:7px 0 7px 18px;position:relative;border-top:1px solid var(--paper-2)}
.card li:before{content:"";position:absolute;left:0;top:15px;width:5px;height:5px;background:var(--accent);}
.card .more{margin-top:auto;font-size:12.5px;letter-spacing:.10em;text-transform:uppercase;font-weight:600;color:var(--ink);border-bottom:1px solid var(--accent);padding-bottom:3px;align-self:flex-start}
.card.dark-card{background:var(--ink-2);border-color:rgba(255,255,255,.14);color:#fff}
.card.dark-card p{color:rgba(255,255,255,.7)}
.card.dark-card li{color:rgba(255,255,255,.85);border-top-color:rgba(255,255,255,.1)}

.step{border-top:2px solid var(--ink);padding-top:20px}
.step .k{font-family:Georgia,serif;font-size:12px;letter-spacing:.16em;color:var(--accent);margin-bottom:10px;display:block}
.step h4{font-size:19px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted)}
.dark .step{border-top-color:var(--accent-soft)}
.dark .step p{color:rgba(255,255,255,.68)}

/* ---------- detail page ---------- */
.page-hero{background:var(--ink);color:#fff;padding:88px 0 76px}
.page-hero h1{font-size:44px;max-width:22ch;margin-bottom:22px}
.crumb{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:22px}
.split{display:grid;grid-template-columns:1.35fr 1fr;gap:64px;align-items:start}
.prose h3{font-size:26px;margin:44px 0 16px}
.prose h3:first-child{margin-top:0}
.prose p{margin-bottom:16px;color:var(--ink-2);font-size:16.5px}
.prose ul{margin:0 0 22px 0;list-style:none}
.prose ul li{position:relative;padding:9px 0 9px 24px;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--ink-2)}
.prose ul li:before{content:"";position:absolute;left:2px;top:19px;width:6px;height:6px;background:var(--accent)}
.prose ul li strong{color:var(--ink)}
.aside{background:var(--white);border:1px solid var(--line);padding:32px;position:sticky;top:104px}
.aside h4{font-size:17px;margin-bottom:16px}
.aside p{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.aside .tag{display:inline-block;font-size:11px;letter-spacing:.10em;text-transform:uppercase;border:1px solid var(--line);padding:6px 11px;margin:0 6px 8px 0;color:var(--ink-2)}

.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.pill{font-size:12px;letter-spacing:.10em;text-transform:uppercase;border:1px solid rgba(255,255,255,.28);padding:8px 14px;color:rgba(255,255,255,.86)}

/* ---------- cta band ---------- */
.band{background:var(--ink-2);color:#fff;padding:76px 0}
.band-inner{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.band h2{font-size:32px;max-width:22ch}
.band p{color:rgba(255,255,255,.7);margin-top:12px;max-width:48ch;font-size:16px}

/* ---------- contact ---------- */
.field{margin-bottom:20px}
.field label{display:block;font-size:12px;letter-spacing:.10em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);background:var(--white);
  font-family:inherit;font-size:15px;color:var(--ink);border-radius:var(--radius);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{min-height:130px;resize:vertical}
.contact-item{border-top:1px solid var(--line);padding:20px 0}
.contact-item .l{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:7px}
.contact-item .v{font-size:16px;color:var(--ink)}
.note{font-size:13px;color:var(--muted);margin-top:14px}

/* ---------- footer ---------- */
footer{background:var(--ink);color:rgba(255,255,255,.62);padding:64px 0 34px;font-size:14px}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.13)}
footer h5{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#fff;margin-bottom:16px;font-weight:600;font-family:inherit}
footer a{display:block;padding:5px 0;color:rgba(255,255,255,.62);font-size:14px}
footer a:hover{color:var(--accent-soft)}
.disclaimer{margin-top:32px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.46);max-width:105ch}
.disclaimer strong{color:rgba(255,255,255,.72);font-weight:600}
.copy{margin-top:26px;font-size:12.5px;color:rgba(255,255,255,.4);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

.view{display:none}
.view.active{display:block;animation:fade .32s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* --- large tablet / small laptop: keep the full nav but tighten it --- */
@media(max-width:1120px){
  .wrap{padding:0 26px}
  .menu{gap:19px}
  .menu a{font-size:12.5px}
  .hero h1{font-size:48px}
}

/* --- tablet portrait and below: burger nav, two-up grids --- */
@media(max-width:960px){
  .grid-2{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:40px}
  .aside{position:static}
  .hero-strip{grid-template-columns:1fr 1fr}
  .f-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero{padding:88px 0 80px}
  .hero h1{font-size:40px}
  .page-hero h1{font-size:33px}
  .section-head h2{font-size:30px}
  .menu{
    display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);
    flex-direction:column;align-items:flex-start;gap:0;padding:10px 26px 24px;
    border-bottom:1px solid var(--line);box-shadow:0 18px 30px -18px rgba(15,18,64,.28);
    max-height:calc(100vh - 76px);overflow-y:auto;
  }
  .menu.open{display:flex}
  .menu a{padding:15px 0;width:100%;border-bottom:1px solid var(--line);font-size:15px}
  .menu a.btn{margin-top:16px;width:100%;text-align:center;padding:16px 26px;font-size:13px}
  .burger{display:block;padding:10px;margin-right:-10px;line-height:1}
  .wrap{padding:0 22px}
  section{padding:64px 0}
}

/* --- phones --- */
@media(max-width:640px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr;gap:26px;padding-bottom:34px}
  .hero{padding:64px 0 58px}
  .hero h1{font-size:33px;max-width:none}
  .hero .lede{font-size:17.5px;margin-bottom:30px}
  .hero-cta{gap:11px}
  .hero-cta .btn{flex:1 1 100%;text-align:center}
  .hero-strip{grid-template-columns:1fr;margin-top:44px;background:transparent;gap:0;border-top:none}
  .hero-strip div{padding:15px 0;background:transparent;border-top:1px solid rgba(255,255,255,.16);display:flex;align-items:baseline;gap:14px}
  .hero-strip .n{margin-bottom:0}
  .page-hero{padding:56px 0 50px}
  .page-hero h1{font-size:28px}
  .section-head{margin-bottom:36px}
  .section-head h2{font-size:26px}
  .card{padding:28px 22px}
  .prose h3{font-size:22px;margin-top:34px}
  .prose p,.prose ul li{font-size:15.5px}
  .aside{padding:26px 22px}
  .band{padding:56px 0}
  .band h2{font-size:26px}
  .band-inner{gap:26px}
  .band-inner .btn{width:100%;text-align:center}
  /* 16px stops iOS Safari zooming the page when a field is focused */
  .field input,.field select,.field textarea{font-size:16px}
  .brand-name{font-size:15px}
  .brand-sub{font-size:8.5px;letter-spacing:.14em}
  .mark{width:36px;height:36px}
  section{padding:52px 0}
  footer{padding:48px 0 30px}
  footer a{padding:9px 0}
  .copy{gap:10px}
}

@media(max-width:380px){
  .hero h1{font-size:30px}
  .brand-sub{display:none}
}