/* =========================================================
   BKD LTD — site styles (loads after bootstrap.min.css)
   Layout concept: architect's drawing sheet. Deep slate "title block"
   bands, pale drawing-paper sections, hi-vis amber used only for
   actions and dimension marks.
   ========================================================= */

:root {
  color-scheme: light;

  /* Colour */
  --ink: #12222d;          /* deep slate, headings + dark bands */
  --ink-2: #1b3442;        /* raised surface on dark bands */
  --paper: #f3f6f6;        /* cool drawing-paper ground */
  --sheet: #ffffff;        /* cards on paper */
  --line: #d3dcde;         /* hairlines on paper */
  --line-dark: #2e4a59;    /* hairlines on slate */
  --text: #33444e;         /* body copy */
  --muted: #62747e;        /* secondary copy */
  --on-ink: #e8eff1;       /* copy on slate */
  --on-ink-muted: #a3b7c0; /* secondary copy on slate */
  --amber: #f0a81c;        /* hi-vis accent */
  --amber-deep: #c98505;   /* accent hover / on light */

  /* Type */
  --font-display: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;

  /* Bootstrap overrides */
  --bs-body-font-family: var(--font-body);
  --bs-body-color: var(--text);
  --bs-body-bg: var(--paper);
  --bs-body-font-size: 1.0625rem;
  --bs-body-line-height: 1.65;
  --bs-link-color-rgb: 18, 34, 45;
  --bs-link-hover-color-rgb: 201, 133, 5;
}

body {
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4, .display-font {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.005em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); text-transform: uppercase; }
h2 { font-size: clamp(2rem, 4vw, 3rem); text-transform: uppercase; }
h3 { font-size: 1.55rem; }
p { max-width: 65ch; }

a:focus-visible, .btn:focus-visible, .form-control:focus-visible, .form-select:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
  box-shadow: none;
}

/* Small mono label used above headings */
.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.tag::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.band-ink .tag { color: var(--amber); }

/* ---------- Navbar ---------- */
.site-nav {
  background: var(--ink);
  border-bottom: 1px solid var(--line-dark);
  top: env(safe-area-inset-top, 0px);
  padding-block: 0.7rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--sheet);
}
.brand:hover { color: var(--sheet); }
.brand-mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; letter-spacing: 0.06em; line-height: 1; }
.brand-sub { display: block; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.16em; color: var(--on-ink-muted); margin-top: 0.25rem; }

.site-nav .nav-link {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-ink);
  padding: 0.5rem 1rem;
  position: relative;
}
.site-nav .nav-link:hover, .site-nav .nav-link:focus { color: var(--amber); }
.site-nav .nav-link.active { color: var(--amber); }
@media (min-width: 992px) {
  .site-nav .nav-link.active::after {
    content: ""; position: absolute; left: 1rem; right: 1rem; bottom: 0.1rem;
    height: 2px; background: var(--amber);
  }
}
.site-nav .navbar-toggler { border: 1px solid var(--line-dark); border-radius: 0; padding: 0.45rem 0.6rem; }
.toggler-bars { display: block; width: 24px; height: 2px; background: var(--on-ink); box-shadow: 0 7px 0 var(--on-ink), 0 -7px 0 var(--on-ink); margin-block: 8px; }

/* ---------- Buttons ---------- */
.btn { border-radius: 0; font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.7rem 1.5rem; }
.btn-amber { background: var(--amber); border: 2px solid var(--amber); color: var(--ink); }
.btn-amber:hover, .btn-amber:focus { background: var(--amber-deep); border-color: var(--amber-deep); color: var(--ink); }
.btn-ghost { background: transparent; border: 2px solid var(--on-ink-muted); color: var(--on-ink); }
.btn-ghost:hover, .btn-ghost:focus { border-color: var(--sheet); color: var(--sheet); background: var(--ink-2); }
.btn-ink { background: var(--ink); border: 2px solid var(--ink); color: var(--sheet); }
.btn-ink:hover, .btn-ink:focus { background: var(--ink-2); border-color: var(--ink-2); color: var(--sheet); }

/* ---------- Bands ---------- */
.band { padding-block: clamp(3.5rem, 8vw, 6rem); }
.band-sheet { background: var(--sheet); }
.band-ink { background: var(--ink); color: var(--on-ink); }
.band-ink h1, .band-ink h2, .band-ink h3 { color: var(--sheet); }
.band-ink p { color: var(--on-ink-muted); }
.lead-copy { font-size: 1.2rem; color: var(--muted); }
.band-ink .lead-copy { color: var(--on-ink); }

/* Blueprint grid behind hero and page headers */
.grid-bg {
  background-color: var(--ink);
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center top;
  position: relative;
}
.grid-bg::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(100deg, var(--ink) 25%, rgba(18, 34, 45, 0.55) 100%);
}
.grid-bg > .container { position: relative; z-index: 1; }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(3rem, 7vw, 5.5rem); }
.hero h1 em { font-style: normal; color: var(--amber); }
.hero .lead-copy { max-width: 52ch; }
.elevation { width: 100%; height: auto; display: block; }
.elevation .draw { fill: none; stroke: var(--on-ink); stroke-width: 2; stroke-linejoin: miter; }
.elevation .fine { fill: none; stroke: var(--on-ink-muted); stroke-width: 1; }
.elevation .dim { fill: none; stroke: var(--amber); stroke-width: 1.25; }
.elevation .fillpanel { fill: var(--ink-2); stroke: var(--on-ink); stroke-width: 2; }
.elevation text { font-family: var(--font-mono); font-size: 12px; fill: var(--amber); letter-spacing: 0.08em; }
.elevation text.note { fill: var(--on-ink-muted); }
@media (prefers-reduced-motion: no-preference) {
  .elevation .draw, .elevation .fillpanel { stroke-dasharray: 1600; stroke-dashoffset: 1600; animation: draw 2.2s ease-out forwards; }
  .elevation .dim, .elevation text { opacity: 0; animation: fade 0.6s ease-out 1.6s forwards; }
}
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }

/* Fact strip under hero */
.strip { background: var(--amber); color: var(--ink); }
.strip-item { padding-block: 1.1rem; display: flex; flex-direction: column; gap: 0.15rem; }
.strip-item b { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; line-height: 1.1; }
.strip-item span { font-size: 0.95rem; }

/* ---------- Discipline panels (home) ---------- */
.panel {
  background: var(--sheet);
  border: 1px solid var(--line);
  border-top: 4px solid var(--ink);
  padding: 2rem;
  height: 100%;
  display: flex; flex-direction: column; gap: 0.9rem;
}
.panel p { margin: 0; }
.panel ul { margin: 0; padding-left: 1.1rem; display: grid; gap: 0.3rem; }
.panel .more { margin-top: auto; padding-top: 0.6rem; font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; color: var(--ink); }
.panel .more:hover { color: var(--amber-deep); }
.sic { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; color: var(--muted); }

/* ---------- Process steps ---------- */
.step { border-top: 1px solid var(--line-dark); padding-top: 1.4rem; height: 100%; }
.step-no { font-family: var(--font-mono); font-size: 0.85rem; color: var(--amber); letter-spacing: 0.14em; }
.step h3 { margin: 0.5rem 0 0.6rem; }
.step p { margin: 0; font-size: 1rem; }

/* ---------- Service cards ---------- */
.service {
  background: var(--sheet);
  border: 1px solid var(--line);
  padding: 1.75rem;
  height: 100%;
  display: flex; flex-direction: column; gap: 0.75rem;
  transition: border-color 0.2s, transform 0.2s;
}
.service:hover { border-color: var(--ink); transform: translateY(-3px); }
.service p { margin: 0; font-size: 1rem; }
.service h3 { margin: 0; }
.icon { width: 44px; height: 44px; }
.icon * { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linecap: square; }
.icon .a { stroke: var(--amber-deep); }
@media (prefers-reduced-motion: reduce) { .service { transition: none; } .service:hover { transform: none; } }

.group-head { border-bottom: 2px solid var(--ink); padding-bottom: 1rem; margin-bottom: 2rem; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 0.5rem 1.5rem; }
.group-head h2 { margin: 0; }

/* ---------- Values (about) ---------- */
.value { border-left: 2px solid var(--amber); padding-left: 1.25rem; height: 100%; }
.value h3 { margin-bottom: 0.4rem; }
.value p { margin: 0; font-size: 1rem; }

/* Title-block style company table */
.title-block { border: 2px solid var(--ink); background: var(--sheet); }
.title-block dl { margin: 0; display: grid; grid-template-columns: minmax(8rem, 14rem) minmax(0, 1fr); }
.title-block dt, .title-block dd { margin: 0; padding: 0.9rem 1.1rem; border-bottom: 1px solid var(--line); }
.title-block dt { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); border-right: 1px solid var(--line); }
.title-block dd { color: var(--ink); overflow-wrap: anywhere; }
.title-block dt:nth-last-of-type(1), .title-block dd:nth-last-of-type(1) { border-bottom: 0; }
@media (max-width: 575.98px) {
  .title-block dl { grid-template-columns: minmax(0, 1fr); }
  .title-block dt { border-right: 0; border-bottom: 0; padding-bottom: 0; }
}

/* ---------- Page header (inner pages) ---------- */
.page-head { padding-block: clamp(2.75rem, 6vw, 4.5rem); }
.page-head h1 { color: var(--sheet); margin-bottom: 0.75rem; }
.page-head p { color: var(--on-ink); font-size: 1.2rem; margin: 0; }
.crumbs { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-ink-muted); margin-bottom: 1.25rem; }
.crumbs a { color: var(--amber); text-decoration: none; }

/* ---------- Contact ---------- */
.contact-row { display: flex; gap: 1rem; align-items: flex-start; padding-block: 1.25rem; border-bottom: 1px solid var(--line); }
.contact-row:first-child { padding-top: 0; }
.contact-row .icon { flex: none; }
.contact-row .k { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); display: block; }
.contact-row .v { font-size: 1.15rem; color: var(--ink); font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }
.contact-row a.v:hover { color: var(--amber-deep); }
.contact-row address { margin: 0; font-style: normal; }
.contact-row > div { min-width: 0; }

.form-card { background: var(--sheet); border: 1px solid var(--line); border-top: 4px solid var(--amber); padding: clamp(1.5rem, 4vw, 2.5rem); }
.form-label { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.4rem; }
.form-control, .form-select { border-radius: 0; border: 1px solid var(--line); background-color: var(--paper); color: var(--ink); padding: 0.75rem 0.9rem; font-size: 1.0625rem; }
.form-control:focus, .form-select:focus { border-color: var(--ink); background-color: var(--sheet); box-shadow: none; }
.form-note { border-left: 3px solid var(--amber); background: var(--paper); padding: 0.9rem 1.1rem; color: var(--ink); margin-top: 1.25rem; }
.form-note p { margin: 0; }

/* ---------- CTA band ---------- */
.cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem 3rem; }
.cta h2 { margin: 0 0 0.4rem; }
.cta p { margin: 0; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ---------- Footer ---------- */
.site-foot { background: var(--ink); color: var(--on-ink-muted); border-top: 4px solid var(--amber); padding-block: 3.5rem 1.5rem; font-size: 1rem; }
.site-foot h4 { font-size: 1.1rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sheet); margin-bottom: 1rem; }
.site-foot a { color: var(--on-ink); text-decoration: none; overflow-wrap: anywhere; }
.site-foot a:hover { color: var(--amber); }
.site-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.45rem; }
.site-foot address { font-style: normal; margin: 0; }
.site-foot p { margin: 0; }
.foot-base { border-top: 1px solid var(--line-dark); margin-top: 2.5rem; padding-top: 1.25rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 2rem; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; }

/* Hero sits on the slate grid, so its copy uses the on-dark tokens */
.hero h1 { color: var(--sheet); }
.hero .lead-copy { color: var(--on-ink); }
.hero .tag, .page-head .tag { color: var(--amber); }

/* Services page: longer cards, three paragraphs each */
.service p { max-width: none; }

/* Contact page image */
.contact-figure { margin: 0; border: 1px solid var(--line); border-top: 4px solid var(--amber); background: var(--ink); }
.contact-figure img { display: block; width: 100%; height: auto; }

/* =========================================================
   v2 layout: soft rounded panels, pill controls, inset bands
   ========================================================= */
:root { --r-lg: 32px; --r-md: 24px; --r-sm: 16px; }

.btn { border-radius: 999px; }
.brand-mark { border-radius: 12px; }
.site-nav .navbar-toggler { border-radius: 12px; }

/* Inset rounded bands */
.hero, .page-head, .band-ink, .site-foot { margin: 16px; border-radius: var(--r-lg); overflow: hidden; }
.site-foot { border-top: 0; }
.hero { padding-block: clamp(2.5rem, 6vw, 4.5rem) 0; }

.hero-art { background: var(--ink-2); border: 1px solid var(--line-dark); border-radius: var(--r-md); padding: clamp(1rem, 3vw, 2rem); }
.hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: clamp(2.5rem, 6vw, 4rem); border-top: 1px solid var(--line-dark); }
.hero-facts > div { padding: 1.5rem 1.5rem 1.75rem 0; display: flex; flex-direction: column; gap: 0.2rem; }
.hero-facts b { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--amber); line-height: 1.1; }
.hero-facts span { color: var(--on-ink-muted); font-size: 0.98rem; }
@media (max-width: 767.98px) { .hero-facts { grid-template-columns: minmax(0, 1fr); } .hero-facts > div { padding: 1rem 0; border-bottom: 1px solid var(--line-dark); } .hero-facts > div:last-child { border-bottom: 0; } }

.pill-label { display: inline-block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink); background: var(--sheet); border: 1px solid var(--line); border-radius: 999px; padding: 0.45rem 1rem; }

/* Three intro cards */
.trio { border-radius: var(--r-md); padding: 2rem; min-height: 320px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; gap: 0.75rem; }
.trio h3 { margin: 0; font-size: 1.9rem; }
.trio p { margin: 0; font-size: 1rem; }
.trio a { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: underline; text-underline-offset: 5px; }
.trio-ink { background: var(--ink); }
.trio-ink h3 { color: var(--sheet); } .trio-ink p { color: var(--on-ink-muted); } .trio-ink a { color: var(--amber); }
.trio-amber { background: var(--amber); }
.trio-amber h3, .trio-amber p, .trio-amber a { color: var(--ink); }
.trio-sheet { background: var(--sheet); border: 1px solid var(--line); }
.trio-sheet a { color: var(--ink); }
.trio a:hover { opacity: 0.75; }

/* Scrolling service strip */
.marquee { overflow: hidden; padding-block: 0.5rem 2.5rem; }
.marquee-track { display: flex; width: max-content; animation: marquee 45s linear infinite; }
.marquee-group { display: flex; gap: 1rem; padding-right: 1rem; }
.chip { white-space: nowrap; background: var(--sheet); border: 1px solid var(--line); border-radius: 999px; padding: 0.8rem 1.6rem; font-family: var(--font-display); font-size: 1.25rem; font-weight: 500; letter-spacing: 0.04em; color: var(--ink); }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* Feature grid */
.round-figure { margin: 0; border-radius: var(--r-md); overflow: hidden; background: var(--ink); }
.round-figure img { display: block; width: 100%; height: auto; }
.feat { display: flex; flex-direction: column; gap: 0.5rem; height: 100%; }
.feat .icon { width: 52px; height: 52px; padding: 10px; border-radius: 50%; background: var(--sheet); border: 1px solid var(--line); }
.feat h3 { margin: 0.4rem 0 0; }
.feat p { margin: 0; font-size: 1rem; }

/* Service tiles on dark band */
.tile { display: flex; flex-direction: column; gap: 0.6rem; height: 100%; padding: 1.5rem; border-radius: var(--r-sm); background: var(--ink-2); border: 1px solid var(--line-dark); text-decoration: none; transition: border-color 0.2s, transform 0.2s; }
.tile:hover, .tile:focus-visible { border-color: var(--amber); transform: translateY(-3px); }
.tile .icon * { stroke: var(--on-ink); } .tile .icon .a { stroke: var(--amber); }
.tile h3 { margin: 0; color: var(--sheet); }
.tile p { margin: 0; font-size: 0.98rem; color: var(--on-ink-muted); }
@media (prefers-reduced-motion: reduce) { .tile { transition: none; } .tile:hover { transform: none; } }

/* Inner-page components pick up the same rounding */
.panel, .service, .contact-figure, .title-block { border-radius: var(--r-md); overflow: hidden; }
.panel { border-top-width: 1px; border-top-color: var(--line); }
.contact-figure { border-top-width: 1px; border-top-color: var(--line); }
.step { border-top: 0; background: var(--ink-2); border: 1px solid var(--line-dark); border-radius: var(--r-sm); padding: 1.5rem; }
.value { border-left: 0; background: var(--sheet); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 1.5rem; }
.band-sheet .value { background: var(--paper); }