/* Lokoja Partners
   Fractional procurement for UK SMEs.
   Design language: an audit findings report. Ruled ledgers, hard borders,
   tabular figures, monospace annotations, generous bound-report margins.
   Palette and fonts are fixed brand assets. */

/* ---------- Self-hosted fonts ---------- */
@font-face{
  font-family:'Source Serif 4';font-style:normal;font-weight:600 700;font-display:swap;
  src:url('../fonts/source-serif-4-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'IBM Plex Sans';font-style:normal;font-weight:400 600;font-display:swap;
  src:url('../fonts/ibm-plex-sans-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('../fonts/ibm-plex-mono-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;
  src:url('../fonts/ibm-plex-mono-500-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

/* ---------- Tokens ---------- */
:root{
  --ink:#122E38;
  --teal:#1E6E7E;
  --brass:#A66A2E;
  --paper:#FAF8F3;

  /* ink tints (derived, not new hues) */
  --ink-78:rgba(18,46,56,.78);
  --ink-60:rgba(18,46,56,.60);
  --ink-45:rgba(18,46,56,.45);
  --rule:rgba(18,46,56,.26);       /* fine printed rule */
  --hair:rgba(18,46,56,.14);       /* faint separator */
  --wash:rgba(18,46,56,.035);      /* barely-there panel wash */
  /* paper tints for dark (ink) surfaces */
  --paper-70:rgba(250,248,243,.70);
  --paper-45:rgba(250,248,243,.42);
  --rule-rev:rgba(250,248,243,.22);

  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'Cascadia Mono','Segoe UI Mono',monospace;

  --maxw:1160px;
  --gutter:clamp(22px,5.5vw,72px);
  --ease:cubic-bezier(.2,.6,.2,1);
}

/* ---------- Reset ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.62;
  font-size:17px;
  font-feature-settings:"kern" 1;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:var(--teal);text-underline-offset:2px;text-decoration-thickness:1px}
strong{font-weight:600}
::selection{background:var(--ink);color:var(--paper)}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}

:focus-visible{outline:2px solid var(--teal);outline-offset:3px}

.skip{
  position:absolute;left:16px;top:-60px;z-index:100;background:var(--ink);color:var(--paper);
  padding:10px 16px;font:600 .9rem/1 var(--sans);text-decoration:none;transition:top .2s var(--ease);
}
.skip:focus{top:16px;color:var(--paper)}

/* shared mono label */
.label{
  font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-60);
}

/* ---------- Buttons (hard-edged, no radius, no shadow) ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font:600 .82rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;
  color:var(--paper);background:var(--ink);border:1px solid var(--ink);
  padding:14px 22px;text-decoration:none;cursor:pointer;
  transition:background .15s var(--ease),color .15s var(--ease);
}
.btn:hover{background:var(--brass);border-color:var(--brass);color:var(--paper)}
.btn .arw{font-family:var(--mono);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}

/* ---------- Masthead ---------- */
header{position:sticky;top:0;z-index:30;background:var(--paper);border-bottom:1px solid var(--ink)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.wordmark{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.wordmark .mm{width:40px;height:40px;flex:none}
.wordmark .wm-txt{font-family:var(--serif);font-weight:700;font-size:1.24rem;letter-spacing:.01em;line-height:1}
.wordmark .wm-txt span{color:var(--teal)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a:not(.btn){
  font-family:var(--mono);font-size:.76rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-60);text-decoration:none;padding:4px 0;position:relative;transition:color .15s var(--ease);
}
.nav-links a:not(.btn):hover{color:var(--ink)}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--brass);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.nav-links a:not(.btn):hover::after{transform:scaleX(1)}
.nav-links .btn{padding:11px 18px}

.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle .icon-close{display:none}
.nav-toggle[aria-expanded="true"] .icon-open{display:none}
.nav-toggle[aria-expanded="true"] .icon-close{display:block}

/* running masthead meta strip */
.masthead-meta{border-bottom:1px solid var(--rule);background:var(--paper)}
.masthead-meta .row{display:flex;justify-content:space-between;gap:16px;padding:8px 0;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-45)}
.masthead-meta .row span{white-space:nowrap}

/* ---------- Section scaffold ---------- */
section{border-top:1px solid var(--ink)}
section:first-of-type{border-top:0}
.sheet{padding:clamp(52px,7vw,92px) 0}
/* section header: index number in the margin, label + rule */
.sec-head{display:grid;grid-template-columns:var(--num-col,64px) 1fr;column-gap:24px;margin-bottom:clamp(28px,4vw,44px)}
:root{--num-col:64px}
.sec-no{font-family:var(--mono);font-size:.82rem;font-weight:500;color:var(--brass);letter-spacing:.05em;padding-top:6px}
.sec-head .head-body{border-top:2px solid var(--ink);padding-top:14px}
.sec-head .kicker{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-60);margin-bottom:16px}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.5rem,3.1vw,2.15rem);line-height:1.16;letter-spacing:-.012em;max-width:22ch;text-wrap:balance}
.sec-intro{max-width:60ch;color:var(--ink-78);margin-top:14px;font-size:1.02rem}

/* ---------- Hero ---------- */
.hero{padding:clamp(48px,7vw,88px) 0 clamp(44px,6vw,72px)}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:clamp(32px,5vw,64px);align-items:start}
.hero .eyebrow{font-family:var(--mono);font-size:.75rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--brass);margin-bottom:22px;display:flex;align-items:center;gap:12px}
.hero .eyebrow::before{content:"";width:26px;height:1px;background:var(--brass)}
h1{font-family:var(--serif);font-weight:600;font-size:clamp(2.2rem,4.9vw,3.5rem);line-height:1.06;letter-spacing:-.02em;max-width:16ch;text-wrap:balance}
.hero .lede{max-width:50ch;margin:24px 0 32px;font-size:clamp(1.04rem,1.5vw,1.18rem);color:var(--ink-78)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* cover sheet */
.cover{border:1px solid var(--ink);background:var(--paper)}
.cover .cover-hd{background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;padding:12px 16px;display:flex;justify-content:space-between;align-items:center}
.cover dl{margin:0}
.cover .cr{display:grid;grid-template-columns:9.5em 1fr;border-top:1px solid var(--rule)}
.cover .cr:first-of-type{border-top:0}
.cover dt{font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-60);padding:13px 16px;border-right:1px solid var(--rule)}
.cover dd{font-family:var(--sans);font-size:.92rem;font-weight:500;color:var(--ink);padding:13px 16px}

/* ---------- Ledger (spend categories) ---------- */
.ledger{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.ledger .lh{display:grid;grid-template-columns:5.5em 12em 1fr;gap:20px;padding:11px 0;border-bottom:1px solid var(--ink);font-family:var(--mono);font-size:.68rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-45)}
.lrow{display:grid;grid-template-columns:5.5em 12em 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--rule);align-items:baseline;transition:background .15s var(--ease)}
.lrow:first-child{border-top:0}
.lrow:hover{background:var(--wash)}
.lrow .ref{font-family:var(--mono);font-size:.8rem;color:var(--brass);font-variant-numeric:tabular-nums}
.lrow .cat{font-family:var(--serif);font-weight:600;font-size:1.18rem;letter-spacing:-.01em}
.lrow .desc{color:var(--ink-78);max-width:52ch}

/* ---------- Procedure (how it works) ---------- */
.proc{border-top:1px solid var(--ink)}
.prow{display:grid;grid-template-columns:64px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--rule)}
.prow .pno{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--brass)}
.prow .pno .big{display:block;font-family:var(--serif);font-size:2rem;font-weight:600;color:var(--ink);letter-spacing:-.02em;line-height:1;margin-top:6px}
.prow h3{font-family:var(--serif);font-weight:600;font-size:1.35rem;letter-spacing:-.01em;margin-bottom:8px}
.prow p{color:var(--ink-78);max-width:60ch}

/* ---------- Exhibit / SPECIMEN ---------- */
.exhibit{margin-top:clamp(36px,5vw,56px);border:1px solid var(--ink);position:relative;background:var(--paper);overflow:hidden}
.exhibit .ex-hd{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--ink);background:var(--wash)}
.exhibit .ex-hd .t{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink)}
.exhibit .ex-hd .stamp{font-family:var(--mono);font-size:.68rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--brass);border:1px solid var(--brass);padding:4px 9px}
.spec-table{width:100%;border-collapse:collapse;position:relative;z-index:1}
.spec-table th,.spec-table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--rule);font-size:.92rem}
.spec-table thead th{font-family:var(--mono);font-size:.66rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-60);border-bottom:1px solid var(--ink)}
.spec-table td.cat{font-weight:500}
.spec-table td.num,.spec-table th.num{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--ink-60)}
.spec-table td.eff{font-family:var(--mono);font-size:.8rem;letter-spacing:.04em;color:var(--ink-78)}
.spec-table tbody tr:last-child td{border-bottom:0}
.exhibit .watermark{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:2}
.exhibit .watermark span{font-family:var(--mono);font-weight:500;font-size:clamp(2.4rem,7vw,4.6rem);letter-spacing:.28em;color:rgba(166,106,46,.13);transform:rotate(-11deg);text-transform:uppercase;white-space:nowrap}
.exhibit .ex-note{padding:12px 16px;border-top:1px solid var(--ink);font-family:var(--mono);font-size:.7rem;letter-spacing:.02em;color:var(--ink-60);background:var(--wash)}

/* ---------- Guarantee (audit opinion) ---------- */
.opinion{border:1px solid var(--ink);border-top:3px solid var(--ink);max-width:820px;background:var(--paper)}
.opinion .op-hd{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-60);padding:16px 28px 0}
.opinion .op-body{padding:16px 28px 24px}
.opinion .big{font-family:var(--serif);font-weight:600;font-size:clamp(1.35rem,2.7vw,1.85rem);line-height:1.28;letter-spacing:-.01em}
.opinion .small{margin-top:16px;color:var(--ink-78);font-size:.98rem;max-width:64ch}
.opinion .sign{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid var(--rule);padding:18px 28px}
.opinion .sign .who{font-family:var(--serif);font-weight:600;font-size:1.1rem}
.opinion .sign .basis{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-45);margin-top:4px}
.opinion .sign .seal{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brass);border:1px solid var(--brass);padding:8px 12px;text-align:center;line-height:1.5}

/* ---------- Register (how we work) ---------- */
.register{border-top:1px solid var(--ink)}
.reg-row{display:grid;grid-template-columns:64px 14em 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.reg-row .rn{font-family:var(--mono);font-size:.8rem;color:var(--brass);letter-spacing:.06em}
.reg-row h3{font-family:var(--serif);font-weight:600;font-size:1.2rem;letter-spacing:-.01em}
.reg-row p{color:var(--ink-78);max-width:56ch}

/* ---------- Colophon (who we are) ---------- */
.colophon{display:grid;grid-template-columns:1fr;gap:20px;max-width:66ch}
.colophon p{font-family:var(--serif);font-size:clamp(1.08rem,1.7vw,1.28rem);line-height:1.55;color:var(--ink)}
.colophon p.note{font-family:var(--sans);font-size:1rem;line-height:1.6;color:var(--ink-78);border-left:2px solid var(--brass);padding-left:18px;max-width:58ch}

/* ---------- Contact (request form) ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;border:1px solid var(--ink)}
.contact-side{padding:clamp(28px,4vw,40px);border-right:1px solid var(--ink)}
.contact-side .kicker{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-60);margin-bottom:16px}
.contact-side h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:14px}
.contact-side p{color:var(--ink-78);max-width:40ch}
.contact-side .email{font-family:var(--mono);font-size:.9rem;margin-top:22px;display:inline-block;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--brass);padding-bottom:3px}
.contact-side .email:hover{color:var(--brass)}
form.request{padding:clamp(28px,4vw,40px)}
form.request .fl{display:flex;justify-content:space-between;align-items:baseline;margin:0 0 7px}
form.request .fl:not(:first-child){margin-top:20px}
form.request label{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-60)}
form.request .req{font-family:var(--mono);font-size:.64rem;color:var(--ink-45);letter-spacing:.08em}
form.request input,form.request textarea{
  width:100%;padding:12px 14px;border:1px solid var(--rule);background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:.98rem;border-radius:0;transition:border-color .15s var(--ease)
}
form.request input:focus,form.request textarea:focus{outline:none;border-color:var(--ink)}
form.request textarea{resize:vertical;min-height:110px}
form.request button{margin-top:26px;width:100%;justify-content:center}

/* ---------- Footer (dark colophon) ---------- */
footer{background:var(--ink);color:var(--paper);border-top:3px solid var(--brass)}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding:clamp(40px,5vw,56px) 0 clamp(28px,4vw,40px)}
.foot .fmark{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot .fmark .mm{width:36px;height:36px;flex:none}
.foot .fmark .wm-txt{font-family:var(--serif);font-weight:700;font-size:1.15rem;color:var(--paper)}
.foot .fmark .wm-txt span{color:var(--teal)}
.foot .legal{color:var(--paper-70);font-size:.9rem;max-width:38ch}
.foot .coords{font-family:var(--mono);font-size:.82rem;letter-spacing:.14em;color:var(--brass);margin-top:14px;font-variant-numeric:tabular-nums}
.foot .cono{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--paper-45);margin-top:8px;text-transform:uppercase}
.foot .fcol h4{font-family:var(--mono);font-size:.68rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--paper-45);margin-bottom:14px}
.foot .fcol a{display:block;color:var(--paper-70);text-decoration:none;font-size:.92rem;padding:5px 0;transition:color .15s var(--ease)}
.foot .fcol a:hover{color:var(--paper)}
.foot-bar{border-top:1px solid var(--rule-rev);padding:16px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--paper-45)}

/* ---------- Reveal (subtle, opacity only) ---------- */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transition:opacity .5s var(--ease)}
  .js .reveal.in{opacity:1}
}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .cover{max-width:520px}
  .contact-grid{grid-template-columns:1fr}
  .contact-side{border-right:0;border-bottom:1px solid var(--ink)}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  body{font-size:16px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--ink);
    max-height:0;overflow:hidden;visibility:hidden;transition:max-height .28s var(--ease),visibility .28s
  }
  .nav-links.open{max-height:360px;visibility:visible}
  .nav-links a:not(.btn){padding:16px var(--gutter);border-top:1px solid var(--rule);font-size:.82rem}
  .nav-links .btn{margin:14px var(--gutter) 18px;justify-content:center}
  .masthead-meta{display:none}
  :root{--num-col:0px}
  .sec-head{grid-template-columns:1fr}
  .sec-no{display:none}
  .lh{display:none}
  .lrow{grid-template-columns:1fr;gap:6px;padding:20px 0}
  .lrow .ref{color:var(--brass)}
  .prow{grid-template-columns:1fr;gap:6px}
  .prow .pno .big{margin-top:2px}
  .reg-row{grid-template-columns:1fr;gap:6px;padding:20px 0}
  .foot-top{grid-template-columns:1fr;gap:28px}
  .exhibit .watermark span{font-size:2.2rem}
  .spec-table th,.spec-table td{padding:11px 12px;font-size:.86rem}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}