/* ============================================================
   Guide Construction — "Site Record"
   Structural editorial, light stance. Zero JavaScript.
   ============================================================ */

/* Metric-matched fallbacks so nothing shifts on a slow connection */
@font-face{font-family:"Archivo Fallback";src:local("Helvetica Neue"),local("Arial"),local("Liberation Sans");size-adjust:98%;ascent-override:92%;descent-override:24%;line-gap-override:0%}
@font-face{font-family:"Source Serif Fallback";src:local("Georgia"),local("Liberation Serif"),local("Times New Roman");size-adjust:100%;ascent-override:95%;descent-override:27%;line-gap-override:0%}

:root{
  --font-display:"Archivo","Archivo Fallback","Helvetica Neue",Helvetica,"Liberation Sans",system-ui,sans-serif;
  --font-body:"Source Serif 4","Source Serif Fallback",Georgia,"Liberation Serif","Times New Roman",serif;
  --font-mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Roboto Mono","Liberation Mono",monospace;

  --ink:#14161F;
  --navy:#262A7C;
  --navy-deep:#1B1E5E;
  --paper:#FBFAF7;
  --paper-2:#F1EFE9;
  --photo-mat:#E7E3DA;
  --rule:#D8D4CA;              /* decorative only — 1.42:1, never bounds a control */
  --rule-strong:#8A8578;
  --muted:#5C5F6E;
  --on-navy:#FFFFFF;
  --on-navy-2:#D8DAEC;
  --rule-on-navy:rgba(255,255,255,.22);
  /* GOLD IS 1.56:1 ON PAPER. It is a FILL on paper and a TEXT colour only on navy. */
  --gold:#FFC20E;
  --gold-dark:#E6A800;
  --green:#009B4E;             /* retired from the interface; lives only inside the logo */
  --focus:#262A7C;
  --focus-invert:#FFC20E;

  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;--s9:96px;--s10:128px;
  --w-max:1200px;
  --w-prose:68ch;
  --w-lead:46ch;
  --section-pad:64px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-body);font-size:17px;line-height:1.62;
}
img{display:block;max-width:100%;height:auto}
[id]{scroll-margin-top:88px}

h1,h2,h3{font-family:var(--font-display);font-weight:700;margin:0}
p,ul{margin:0}
ul{list-style:none;padding:0}

.container{width:100%;max-width:var(--w-max);margin-inline:auto;padding-inline:20px}
.grid{display:grid;grid-template-columns:1fr;gap:var(--s5)}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.skip-link{position:absolute;left:var(--s4);top:-100px;z-index:200;background:var(--gold);color:var(--ink);
  font-family:var(--font-display);font-weight:500;font-size:15px;padding:12px 18px;border-radius:2px;text-decoration:none;transition:top 120ms ease-out}
.skip-link:focus{top:var(--s4)}

:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:2px}
.on-navy :focus-visible{outline-color:var(--focus-invert)}

/* ── Shared type ─────────────────────────────────────────── */
.kicker{font-family:var(--font-mono);font-size:12px;font-weight:500;line-height:1;
  letter-spacing:.16em;text-transform:uppercase;margin:0}
.kicker-gold{color:var(--gold)}
.lead{font-size:19px;line-height:1.5;max-width:var(--w-lead);color:var(--on-navy-2)}
.lead-ink{color:var(--ink)}

/* Base state is VISIBLE. The scroll-driven reveal below only ever animates from
   invisible to this state, so a browser that never runs it still shows the rule. */
.rule{display:block;height:1px;background:var(--rule);margin:0;border:0;transform-origin:left}
.on-navy .rule{background:var(--rule-on-navy)}
.rule-spaced{margin-block:var(--s7)}

/* Section head — the page's spine, repeated eight times */
.section-head{margin-bottom:var(--s5)}
.section-head .rule{margin-bottom:var(--s4)}
.section-label{display:flex;align-items:baseline;gap:var(--s3);font-family:var(--font-mono);font-size:12px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:var(--s5)}
.on-navy .section-label{color:var(--gold)}
.section-index{font-variant-numeric:tabular-nums}

.section{padding-block:var(--section-pad)}
.section-alt{background:var(--paper-2)}
.section-navy{background:var(--navy)}
.on-navy{color:var(--on-navy)}

h2{font-size:28px;line-height:1.08;letter-spacing:-.02em;color:var(--navy)}
.on-navy h2{color:var(--on-navy)}

/* ── Buttons ─────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-display);
  font-weight:500;font-size:16px;line-height:1;letter-spacing:.01em;padding:15px 26px;min-height:48px;
  border:none;border-radius:2px;text-decoration:none;cursor:pointer}
.btn-primary{background:var(--gold);color:var(--ink);
  transition:background-color 120ms ease-out,transform 120ms ease-out}
.btn-primary:hover{background:var(--gold-dark);transform:translateY(-1px)}
.btn-primary:active{background:var(--gold-dark);transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);
  transition:background-color 120ms ease-out,border-color 120ms ease-out}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline{background:transparent;color:var(--navy);border:1px solid var(--navy);
  transition:background-color 120ms ease-out}
.btn-outline:hover{background:rgba(38,42,124,.06)}
.btn-sm{font-size:15px;padding:12px 18px;min-height:44px}

a{color:var(--navy)}
a:hover{color:var(--navy)}

/* ── Header ──────────────────────────────────────────────── */
.site-header{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:1px solid var(--rule)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--s5);min-height:60px}
.brand{display:block;line-height:0}
.brand img{width:104px;height:auto}
.nav-desktop,.header-actions{display:none}
.nav-desktop ul{display:flex;gap:22px}
.nav-desktop a{position:relative;display:block;font-family:var(--font-display);font-weight:500;font-size:15px;
  line-height:1;color:var(--ink);text-decoration:none;padding:10px 2px}
.nav-desktop a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--navy);
  transform:scaleX(0);transform-origin:left;transition:transform 160ms ease-out}
.nav-desktop a:hover::after,.nav-desktop a:focus-visible::after{transform:scaleX(1)}
.header-actions{align-items:center;gap:var(--s4)}
.header-tel{font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;text-transform:uppercase;
  color:var(--ink);text-decoration:none}

/* Mobile menu — <details>, no JavaScript */
.nav-disclosure{position:relative}
.nav-disclosure summary{display:flex;align-items:center;gap:var(--s2);min-height:44px;padding:10px 2px;
  font-family:var(--font-display);font-weight:500;font-size:15px;color:var(--ink);cursor:pointer;list-style:none}
.nav-disclosure summary::-webkit-details-marker{display:none}
.nav-glyph{position:relative;display:block;width:18px;height:2px;background:var(--ink)}
.nav-glyph::before,.nav-glyph::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-glyph::before{top:-6px}.nav-glyph::after{top:6px}
.nav-disclosure[open] .nav-glyph{background:transparent}
.nav-disclosure[open] .nav-glyph::before{top:0;transform:rotate(45deg)}
.nav-disclosure[open] .nav-glyph::after{top:0;transform:rotate(-45deg)}
.nav-panel{position:absolute;top:calc(100% + 10px);right:-20px;width:100vw;max-width:100vw;
  background:var(--paper);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.nav-panel a{display:flex;align-items:center;min-height:52px;padding-inline:20px;
  font-family:var(--font-display);font-weight:500;font-size:16px;color:var(--ink);text-decoration:none}
.nav-panel li+li a{border-top:1px solid var(--rule)}
.nav-panel-cta{padding:20px}
.nav-panel-cta .btn{width:100%}

/* ── Hero ────────────────────────────────────────────────── */
.hero-panel{background:var(--navy);padding-block:56px}
.hero-rule{width:64px;height:4px;background:var(--gold);margin:0 0 var(--s5)}
.hero-content .kicker{margin-bottom:20px}
h1{font-size:clamp(34px,7vw,60px);line-height:1.06;letter-spacing:-.02em;color:#fff;max-width:15ch;margin-bottom:var(--s5)}
.hero-actions{display:flex;flex-direction:column;gap:var(--s3);margin-top:var(--s6)}
.hero-actions .btn{width:100%}
.hero-strapline{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);margin-top:40px}

.hero-photo-band{background:var(--photo-mat)}
.hero-figure{margin:0}
.hero-figure img{width:100%;max-width:1024px;margin-inline:auto;height:200px;object-fit:cover;object-position:50% 34%;
  filter:saturate(.88) contrast(1.04);box-shadow:inset 0 0 0 1px rgba(20,22,31,.10)}
.hero-figure figcaption{max-width:1024px;margin-inline:auto;padding:var(--s3) 20px var(--s4);
  font-family:var(--font-mono);font-size:12px;line-height:1.45;letter-spacing:.03em;color:var(--muted)}

/* ── Compliance ──────────────────────────────────────────── */
.praz .kicker{margin-bottom:var(--s3)}
.praz-category{font-family:var(--font-display);font-weight:700;font-size:26px;line-height:1.1;
  letter-spacing:-.02em;color:#fff;margin-bottom:var(--s3)}
.praz-note{font-size:15px;color:var(--on-navy-2);margin-bottom:var(--s4)}
.praz-code{font-family:var(--font-mono);font-size:14px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--gold);border-top:1px solid var(--rule-on-navy);padding-top:var(--s4)}

.register li{font-family:var(--font-mono);font-size:13px;line-height:1.5;letter-spacing:.06em;
  text-transform:uppercase;padding-block:14px;border-bottom:1px solid var(--rule);color:var(--muted);
  overflow-wrap:anywhere}
.on-navy .register li{border-bottom-color:var(--rule-on-navy);color:var(--on-navy-2)}
.parentage{font-size:17px;line-height:1.62;max-width:var(--w-prose);color:var(--on-navy-2)}

/* ── Clients ─────────────────────────────────────────────── */
.client-row{padding-block:var(--s5);border-bottom:1px solid var(--rule)}
.client-name{font-size:24px;line-height:1.15;letter-spacing:-.02em;color:var(--navy)}
.client-work{font-size:17px;color:var(--muted);margin-top:var(--s1)}
.client-tag{font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);margin-top:var(--s2)}

/* ── Scope ───────────────────────────────────────────────── */
.bucket-row{padding-block:var(--s6);border-bottom:1px solid var(--rule)}
.bucket-index{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--muted);
  margin-bottom:var(--s2)}
.bucket-name h3{font-size:21px;line-height:1.2;letter-spacing:-.01em;color:var(--navy)}
.bucket-services{font-size:17px;max-width:var(--w-prose);margin-top:var(--s3)}

/* ── Projects ────────────────────────────────────────────── */
.disclosure{font-size:19px;line-height:1.5;max-width:var(--w-lead);margin-block:var(--s7)}
.mat{background:var(--photo-mat);margin:0}
.mat img{width:100%;filter:saturate(.88) contrast(1.04);box-shadow:inset 0 0 0 1px rgba(20,22,31,.10)}
.mat-narrow{margin-top:var(--s5);max-width:60%}
.mat-square img{aspect-ratio:1/1;object-fit:cover}
.mat-navy{background:var(--navy);padding:16px}

.entry-title{font-size:21px;line-height:1.2;letter-spacing:-.01em;color:var(--navy);margin-top:var(--s4)}
.entry-meta{font-family:var(--font-mono);font-size:13px;line-height:1.45;letter-spacing:.04em;
  text-transform:uppercase;color:var(--muted);margin-top:var(--s2)}
.entry-scope{font-size:15px;color:var(--muted);margin-top:var(--s2)}
.entry{margin:0}

.display-figure{font-family:var(--font-display);font-weight:700;font-size:34px;line-height:1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;color:var(--navy);margin-top:var(--s5)}
.figure-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-top:var(--s2)}

.photo-entries{margin-top:var(--s8)}
.project-rows{margin-top:var(--s8);border-top:1px solid var(--rule)}
.project-rows li{display:grid;grid-template-columns:1fr;gap:var(--s1);padding-block:20px;
  border-bottom:1px solid var(--rule)}
.pr-name{font-family:var(--font-display);font-weight:500;font-size:17px;color:var(--navy)}
.pr-loc{font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.pr-loc:empty{display:none}
.pr-scope{font-size:15px;color:var(--muted)}
.tally{font-family:var(--font-mono);font-size:13px;line-height:1.6;letter-spacing:.04em;text-transform:uppercase;
  color:var(--muted);padding-block:var(--s5);border-bottom:1px solid var(--rule)}
.section-cta{margin-top:var(--s7)}

/* ── Team ────────────────────────────────────────────────── */
.team-figure{margin-bottom:var(--s7)}
/* capped at the source file's native width — nothing on this page is ever upscaled */
.team-figure img{filter:none;max-width:1086px;margin-inline:auto}
.team-figure figcaption{font-family:var(--font-mono);font-size:12px;letter-spacing:.03em;color:var(--on-navy-2);
  padding-top:var(--s3)}
.people{border-top:1px solid var(--rule)}
.people li{padding-block:var(--s5);border-bottom:1px solid var(--rule)}
.people h3{font-family:var(--font-display);font-weight:500;font-size:17px;line-height:1.35;color:var(--ink)}
.person-role{font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;text-transform:uppercase;
  color:var(--muted);margin-top:6px}
.person-cred{font-size:15px;line-height:1.55;color:var(--muted);margin-top:6px;max-width:var(--w-prose)}
.person-prior{font-size:15px;line-height:1.55;font-style:italic;color:var(--muted);margin-top:6px;max-width:var(--w-prose)}

/* ── Plant ───────────────────────────────────────────────── */
.register-plant{margin-top:var(--s7);border-top:1px solid var(--rule)}
.plant-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s4);margin-top:var(--s7)}
.plant-strip figure{margin:0}
.plant-strip figcaption{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);margin-top:var(--s3)}

/* ── Method ──────────────────────────────────────────────── */
.commitments{row-gap:40px}
.commitment h3{font-size:21px;line-height:1.2;color:#fff;margin-block:var(--s3)}
.commitment p{font-size:17px;line-height:1.62;color:var(--on-navy-2);max-width:var(--w-lead)}
.values-register{font-family:var(--font-mono);font-size:12px;line-height:1.8;letter-spacing:.16em;
  text-transform:uppercase;color:var(--on-navy-2)}
.mission{font-size:19px;line-height:1.5;color:var(--on-navy-2);max-width:var(--w-lead);margin-top:var(--s7)}

/* ── Contact ─────────────────────────────────────────────── */
.contact-buttons{display:flex;flex-direction:column;gap:var(--s3);margin-top:var(--s6)}
.contact-buttons .btn{width:100%}
.contact-note{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--muted);margin-top:var(--s4)}
.contact-download a{font-family:var(--font-display);font-weight:500;font-size:16px;color:var(--navy);
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.contact-download a:hover{text-decoration-thickness:2px}
.contact-details{margin-top:var(--s8)}
.office{padding-block:var(--s5);border-bottom:1px solid var(--rule)}
.office-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:var(--s2)}
.office-address{font-family:var(--font-display);font-weight:500;font-size:17px;color:var(--ink)}
.office-address a{color:var(--navy);text-decoration:underline;text-underline-offset:3px;word-break:break-word}
.office-tel a{font-family:var(--font-display);font-weight:500;font-size:21px;color:var(--navy);text-decoration:none}
.office-tel a:hover{text-decoration:underline;text-underline-offset:3px}
.office-more{font-family:var(--font-mono);font-size:13px;line-height:1.6;letter-spacing:.04em;color:var(--muted);
  margin-top:var(--s3)}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer{background:var(--navy-deep);padding-block:var(--s8)}
.footer-brand img{width:40px;height:auto;margin-bottom:var(--s4)}
.footer-meta{margin-top:var(--s5)}
.footer-strapline{font-size:17px;color:var(--on-navy-2)}
.copyright{font-family:var(--font-mono);font-size:12px;line-height:1.6;letter-spacing:.04em;color:var(--on-navy-2)}

/* ── Sticky mobile action bar ────────────────────────────── */
.action-bar{position:fixed;bottom:0;left:0;right:0;height:56px;z-index:90;background:var(--navy);
  border-top:1px solid var(--gold);display:grid;grid-template-columns:1fr 1fr}
.action-bar a{display:flex;align-items:center;justify-content:center;font-family:var(--font-display);
  font-weight:500;font-size:15px;color:#fff;text-decoration:none}
.action-bar a+a{border-left:1px solid rgba(255,255,255,.22)}
body{padding-bottom:56px}

/* ============================================================
   Breakpoints: 480, 640, 768, 1024
   ============================================================ */
@media (min-width:481px){
  .hero-figure img{margin-inline:auto}
}

@media (min-width:640px){
  :root{--section-pad:72px}
  .hero-actions{flex-direction:row}
  .hero-actions .btn{width:auto}
  .contact-buttons{flex-direction:row}
  .contact-buttons .btn{width:auto}
  .plant-strip{gap:var(--s5)}
}

@media (min-width:768px){
  :root{--section-pad:88px}
  .container{padding-inline:var(--s5)}
  body{padding-bottom:0}
  .action-bar{display:none}
  .nav-disclosure{display:none}
  .nav-desktop{display:block}
  .header-actions{display:flex}
  .site-header .header-inner{min-height:72px}
  .brand img{width:130px}

  .grid{grid-template-columns:repeat(6,1fr);gap:20px}
  .hero-panel{padding-block:72px}
  .hero-figure img{height:300px}
  h2{font-size:34px}

  .compliance-grid{grid-template-columns:repeat(6,1fr)}
  .praz{grid-column:span 6}
  .register-2col{grid-column:span 6;display:grid;grid-template-columns:1fr 1fr;column-gap:var(--s5)}

  .client-row{display:grid;grid-template-columns:4fr 2fr;gap:var(--s5);align-items:baseline}
  .client-name{font-size:26px}
  .client-work,.client-tag{margin-top:0}

  .bucket-row{display:grid;grid-template-columns:2fr 4fr;gap:var(--s5)}
  .bucket-services{margin-top:0}

  .lead-entry{grid-template-columns:repeat(6,1fr)}
  .lead-entry-media{grid-column:span 4}
  .lead-entry-figure{grid-column:span 2}
  .photo-entries{grid-template-columns:repeat(2,1fr)}
  .project-rows li{grid-template-columns:5fr 3fr 4fr;gap:var(--s5);align-items:baseline}

  .people{display:grid;grid-template-columns:1fr 1fr;column-gap:var(--s7)}
  .people-leadership{grid-template-columns:repeat(3,1fr)}

  .plant-strip{grid-template-columns:repeat(4,1fr)}
  .commitments{grid-template-columns:repeat(2,1fr);column-gap:var(--s7)}
  .contact-grid{grid-template-columns:repeat(6,1fr)}
  .contact-action{grid-column:span 3}
  .contact-details{grid-column:span 3;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1fr 1fr;align-items:start}
  .footer-meta{margin-top:0;text-align:right}
}

@media (min-width:1024px){
  :root{--section-pad:112px}
  .grid{grid-template-columns:repeat(12,1fr);gap:var(--s5)}
  h1{font-size:clamp(44px,5.2vw,60px);line-height:1.02;letter-spacing:-.025em}
  h2{font-size:38px}
  .lead,.disclosure,.mission{font-size:21px}
  .hero-panel{padding-block:var(--s9);min-height:440px;display:flex;align-items:center}
  .hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--s5);width:100%}
  .hero-content{grid-column:1 / span 8}
  .hero-strapline{grid-column:9 / span 4;align-self:end;text-align:right;margin-top:0}
  .hero-figure img{height:360px}

  .compliance-grid{grid-template-columns:repeat(12,1fr)}
  .praz{grid-column:1 / span 5}
  .register-2col{grid-column:7 / span 6}

  .client-row{grid-template-columns:7fr 5fr}
  .client-name{font-size:30px}
  .bucket-row{grid-template-columns:3fr 9fr}

  .lead-entry{grid-template-columns:repeat(12,1fr)}
  .lead-entry-media{grid-column:1 / span 8}
  .lead-entry-figure{grid-column:9 / span 4}
  .display-figure{font-size:44px}
  .photo-entries{grid-template-columns:repeat(3,1fr)}

  .commitments{grid-template-columns:repeat(2,1fr);column-gap:var(--s9);row-gap:var(--s7)}
  .contact-grid{grid-template-columns:repeat(12,1fr)}
  .contact-action{grid-column:1 / span 6}
  .contact-details{grid-column:8 / span 5}
}

/* ── Motion: two moments, both CSS-only ──────────────────── */
/* The section rules were originally a scroll-driven reveal. Removed deliberately:
   the view() timeline did not advance in testing and left every structural rule at
   scaleX(0) — an invisible-rule page is worse than a still one. The rules are static. */
@supports (animation-timeline: scroll()){
  .site-header{animation:header-shadow linear both;animation-timeline:scroll();animation-range:0 24px}
  @keyframes header-shadow{to{box-shadow:0 1px 12px rgba(20,22,31,.08)}}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important}
}