/* ============================================================
   RENZO CS — design tokens
   Light ground (professional-services register), dark anchors.
   Orange is the only chromatic colour Renzo owns.
   Lavender RETIRED from digital palette (collided with AIRE #D9AFFF).
   All pairs below verified WCAG AA.
   ============================================================ */
:root{
  --paper:#FFFFFF; --paper-2:#F4F6F8; --line:#E2E6EB; --line-2:#D3D9E0;
  --ink:#16181D; --ink-2:#22262E; --line-dk:#2E323B;
  --orange:#F45D01;      /* true brand — DARK grounds only (5.42:1 on ink) */
  --orange-dk:#C24A00;   /* light grounds (4.91:1 on white) */
  --tx:#16181D;          /* 17.76:1 AAA */
  --tx-mid:#5C6470;      /* 5.98:1  AA  */
  --tx-lo:#626B78;       /* 4.74:1  AA  */
  --tx-inv-mid:#A8B0BD;  /* 8.13:1 on ink */
  --graphite:#5C6470;
  --h:'Montserrat',system-ui,sans-serif;
  --b:'Roboto',system-ui,sans-serif;
  --max:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--tx-mid);font-family:var(--b);font-weight:400;line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5{font-family:var(--h);color:var(--tx);font-weight:700;line-height:1.2;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.eyebrow{font-family:var(--h);font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--orange-dk)}
.btn{display:inline-block;font-family:var(--h);font-weight:600;font-size:.9rem;padding:13px 26px;border-radius:2px;transition:.18s;border:0;cursor:pointer}
.btn-p{background:var(--orange-dk);color:#fff}          .btn-p:hover{background:#A83F00}
.btn-o{background:var(--orange);color:var(--ink)}       .btn-o:hover{background:#FF6D14}
.btn-g{border:1px solid var(--line-2);color:var(--tx)}  .btn-g:hover{border-color:var(--orange-dk);color:var(--orange-dk)}
.btn-gd{border:1px solid var(--line-dk);color:#fff}     .btn-gd:hover{border-color:var(--orange);color:var(--orange)}
section{padding:88px 0}
.sec-head{max-width:56ch;margin-bottom:48px}
.sec-head h2{font-size:clamp(1.8rem,3.2vw,2.5rem);margin:14px 0 16px}
.sec-head p{font-size:1.05rem}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:200;background:var(--orange-dk);color:#fff;padding:10px 18px}

/* ---------- MARK (static, ~4KB, no JS, no video) ---------- */
.mark{display:block;overflow:visible}
/* Static mark. The multi-speed spin de-phased the partial arcs so the mark read
   as "missing" pieces at most instants, worst at the 34px nav size. Motion
   removed; the mark now always renders its complete composition. */
.on-dark{--arc:#E9DAFE;--acc:var(--orange);--node-fill:var(--ink)}
.on-light{--arc:var(--graphite);--acc:var(--orange-dk);--node-fill:var(--paper)}

/* ---------- NAV ---------- */
nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:11px}
.brand .mark{width:34px;height:34px}
.wm{font-family:var(--h);font-size:1.1rem;font-weight:700;letter-spacing:.2em;color:var(--tx)}
.wm em{font-style:normal;color:var(--orange-dk)}
.brand-logo{display:block;height:34px;width:auto}
footer .brand-logo{height:26px}
.links{display:flex;gap:26px;align-items:center}
.links a{font-family:var(--h);font-size:.86rem;font-weight:500;color:var(--tx-mid)}
.links a:hover,.links a[aria-current=page]{color:var(--tx)}
.links a[aria-current=page]{border-bottom:2px solid var(--orange-dk);padding-bottom:2px}
/* Filled primary button keeps its white label in every context. Content
   link-colour rules (nav, prose, rail) otherwise override .btn-p and drop it to
   unreadable contrast. Two-class specificity beats any `.zone a` rule. */
.btn.btn-p,.btn.btn-p:hover{color:#fff}
@media(max-width:980px){.links{display:none}}

/* ---------- HERO / DARK ANCHORS ---------- */
.hero{background:var(--ink);padding:104px 0 88px;position:relative;overflow:hidden}
.hero .bgmark{position:absolute;right:-110px;top:50%;transform:translateY(-50%);width:460px;height:460px;opacity:.12;pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero .eyebrow{color:var(--orange)}
.hero h1{font-size:clamp(2.2rem,4.6vw,3.7rem);color:#fff;margin:18px 0 20px;max-width:18ch}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .lede{font-size:1.15rem;max-width:60ch;color:var(--tx-inv-mid);font-weight:300}
.hero.sm{padding:76px 0 66px}
.hero.sm h1{font-size:clamp(2rem,3.8vw,3rem)}
.cta{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.tagline{margin-top:46px;padding-top:22px;border-top:1px solid var(--line-dk);font-family:var(--h);font-size:.88rem;font-weight:600;color:#8A93A0}
.tagline b{color:#fff;font-weight:600}
.crumb{font-size:.82rem;color:#8A93A0;margin-bottom:6px}
.crumb a:hover{color:var(--orange)}

/* ---------- GRIDS / CARDS ---------- */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:880px){.g2,.g3{grid-template-columns:1fr}.g4{grid-template-columns:1fr 1fr}}
.card{background:var(--paper);border:1px solid var(--line);padding:28px 26px}
.card.tint{background:var(--paper-2)}
.card h2,.card h3{font-size:1.3rem;margin-bottom:10px}
.card h3,.card h4{font-size:1.15rem;margin-bottom:9px}
.card p{font-size:.95rem}
.card .more{display:inline-block;margin-top:15px;font-family:var(--h);font-size:.83rem;font-weight:700;color:var(--orange-dk)}
.card .more:hover{text-decoration:underline}
.cell{background:var(--paper);padding:26px 22px}
.cell h3,.cell h4{font-size:.98rem;margin-bottom:7px}
.cell p{font-size:.88rem;color:var(--tx-lo);line-height:1.6}

/* ---------- TIERS ---------- */
.tier{border:1px solid var(--line);padding:32px 28px}
.tier.lead{border-top:3px solid var(--orange-dk);background:var(--paper-2)}
.tier.deliver{border-top:3px solid var(--line-2)}
.tier .lvl{font-family:var(--h);font-size:.68rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--tx-lo)}
.tier.lead .lvl{color:var(--orange-dk)}
.tier h3{font-size:1.45rem;margin:9px 0 11px}
.tier p{font-size:.96rem;margin-bottom:16px}
.tier ul{list-style:none}
.tier li{padding:9px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.tier li a{font-family:var(--h);font-weight:600;color:var(--tx);font-size:.9rem}
.tier li a:hover{color:var(--orange-dk)}
.tier li span{color:var(--tx-lo);font-size:.85rem;text-align:right}

/* ---------- 3I FRAMEWORK (dark) ---------- */
.fw{background:var(--ink)}
.fw .eyebrow{color:var(--orange)} .fw h2{color:#fff} .fw .sec-head p{color:var(--tx-inv-mid)}
.fw-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-dk);border:1px solid var(--line-dk)}
@media(max-width:800px){.fw-grid{grid-template-columns:1fr}}
.fw-c{background:var(--ink);padding:30px 26px}
.fw-c .n{font-family:var(--h);font-size:1.9rem;font-weight:700;color:var(--orange);line-height:1}
.fw-c h3,.fw-c h4{color:#fff;font-size:1.15rem;margin:11px 0 8px}
.fw-c p{font-size:.92rem;color:var(--tx-inv-mid)}
.fw-note{margin-top:24px;font-size:.86rem;color:#949CA8;font-style:italic}

/* ---------- ARTICLE / SERVICE BODY ---------- */
.body-grid{display:grid;grid-template-columns:1fr 260px;gap:56px;align-items:start}
@media(max-width:940px){.body-grid{grid-template-columns:1fr}}
.prose h2{font-size:1.25rem;margin:30px 0 12px}
.prose h3{font-size:1.1rem;margin:24px 0 9px}
.prose p{margin-bottom:16px;font-size:1rem}
.prose p:first-of-type{font-size:1.12rem;color:var(--tx)}
.prose ul{margin:0 0 18px 0;list-style:none}
.prose li{padding:7px 0 7px 20px;position:relative;font-size:.97rem}
.prose li::before{content:'';position:absolute;left:0;top:16px;width:5px;height:5px;background:var(--orange-dk);border-radius:50%}
aside.rail{position:sticky;top:100px;border-left:2px solid var(--line);padding-left:22px}
aside.rail h5,aside.rail .rail-h{font-family:var(--h);font-size:.7rem;font-weight:700;letter-spacing:.13em;
  text-transform:uppercase;color:var(--tx-lo);margin-bottom:12px}
aside.rail li{list-style:none;margin-bottom:9px}
aside.rail a{font-size:.9rem;color:var(--tx-mid)}
aside.rail a:hover,aside.rail a[aria-current=page]{color:var(--orange-dk)}
aside.rail a[aria-current=page]{font-weight:500}
.rail-cta{margin-top:26px;padding:18px;background:var(--paper-2);border:1px solid var(--line)}
.rail-cta p{font-size:.86rem;margin-bottom:12px}

/* ---------- POSTS ---------- */
.post-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.post-row{background:var(--paper);padding:26px 28px;display:flex;justify-content:space-between;gap:24px;align-items:baseline}
.post-row:hover{background:var(--paper-2)}
.post-row h2,.post-row h3{font-size:1.18rem}
.post-row .dt{font-size:.83rem;color:var(--tx-lo);white-space:nowrap;font-family:var(--h)}
@media(max-width:700px){.post-row{flex-direction:column;gap:8px}}

/* ---------- FORM ---------- */
form{max-width:640px}
.field{margin-bottom:20px}
label{display:block;font-family:var(--h);font-size:.82rem;font-weight:600;color:var(--tx);margin-bottom:7px}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line-2);border-radius:2px;
  font-family:var(--b);font-size:.97rem;color:var(--tx);background:var(--paper)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--orange-dk);outline-offset:1px;border-color:var(--orange-dk)}
textarea{min-height:140px;resize:vertical}
.hint{font-size:.82rem;color:var(--tx-lo);margin-top:5px}
.hp{position:absolute;left:-9999px}
.req{color:var(--orange-dk)}
.msg{padding:14px 18px;margin-bottom:20px;font-size:.93rem;display:none}
.msg.ok{background:#EAF3DE;border-left:3px solid #3B6D11;color:#27500A}
.msg.err{background:#FCEBEB;border-left:3px solid #A32D2D;color:#791F1F}

/* ---------- PARTNERS ---------- */
.part-c{border:1px solid var(--line);border-left:3px solid var(--c);padding:22px 24px}
.part-c .nm{font-family:var(--h);font-weight:700;font-size:1.05rem;color:var(--tx)}
.part-c .rl{font-size:.88rem;color:var(--tx-lo);margin-top:5px}
.p-q{--c:#8A6F16} .p-m{--c:#0067B8} .p-x{--c:var(--line-2)}
.todo{display:inline-block;background:#FBEFE7;border:1px dashed var(--orange-dk);color:#8F3800;
  font-family:var(--h);font-size:.68rem;font-weight:700;letter-spacing:.06em;padding:4px 10px;text-transform:uppercase}

/* ---------- FINAL CTA / FOOTER ---------- */
.final{background:var(--ink);text-align:center;padding:92px 0}
.final .eyebrow{color:var(--orange)}
.final h2{color:#fff;font-size:clamp(1.8rem,3.4vw,2.6rem);margin:14px auto 15px;max-width:22ch}
.final p{max-width:52ch;margin:0 auto;color:var(--tx-inv-mid);font-size:1.03rem}
.final .cta{justify-content:center}
footer{background:var(--ink-2);padding:60px 0 28px;color:var(--tx-inv-mid)}
.f-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:34px}
@media(max-width:880px){.f-grid{grid-template-columns:1fr 1fr}}
footer .brand{margin-bottom:14px}
footer .wm{color:#fff} footer .wm em{color:var(--orange)}
footer h5,footer .f-h,footer .rail-h{font-family:var(--h);font-size:.7rem;font-weight:700;letter-spacing:.13em;
  text-transform:uppercase;color:#fff;margin-bottom:13px}
footer li{list-style:none;margin-bottom:8px;font-size:.88rem}
footer li a:hover{color:var(--orange)}
.f-bot{margin-top:44px;padding-top:20px;border-top:1px solid var(--line-dk);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.8rem;color:#949CA8}