/* =====================================================================
   BioDetect — global stylesheet
   Design language: clinical-precision editorial. Navy/cyan on paper,
   generous whitespace, the three-node molecule graph as a recurring
   motif. Tokens from 05_Design_Tokens_For_Web.md, honoured exactly.
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Primary brand */
  --bd-navy:        #003D7B;
  --bd-cyan:        #0CB0E5;
  --bd-navy-mid:    #1F3864;
  --bd-cyan-bright: #00B3DF;

  /* Neutrals */
  --bd-paper:       #FFFFFF;
  --bd-paper-soft:  #FAFAFA;
  --bd-soft-grey:   #F1F5F9;
  --bd-near-black:  #1F2937;
  --bd-micro-grey:  #6B7280;
  --bd-divider:     #E5E7EB;

  /* Audience colours */
  --bd-aud-aquaculture:  #0CB0E5;
  --bd-aud-environmental: #00695C;
  --bd-aud-molecular:    #0089B5;
  --bd-aud-food:         #C77700;
  --bd-aud-vector:       #6A4C93;

  /* Functional / states */
  --bd-success:     #2E7D32;
  --bd-error:       #C62828;
  --bd-navy-hover:  #002A55;
  --bd-cyan-hover:  #00B3DF;
  --bd-focus-ring:  #0CB0E5;

  /* Type scale (clamp) */
  --bd-fs-display: clamp(40px, 6vw, 72px);
  --bd-fs-h1:      clamp(32px, 4vw, 48px);
  --bd-fs-h2:      clamp(26px, 3vw, 38px);
  --bd-fs-h3:      clamp(20px, 2.2vw, 28px);
  --bd-fs-h4:      clamp(18px, 1.6vw, 22px);
  --bd-fs-body-lg: clamp(18px, 1.4vw, 20px);
  --bd-fs-body:    16px;
  --bd-fs-body-sm: 14px;
  --bd-fs-caption: 12px;

  /* Spacing */
  --bd-space-1: 4px;  --bd-space-2: 8px;  --bd-space-3: 12px;
  --bd-space-4: 16px; --bd-space-5: 24px; --bd-space-6: 32px;
  --bd-space-7: 48px; --bd-space-8: 64px; --bd-space-9: 96px;
  --bd-space-10: 120px; --bd-space-11: 160px;

  /* Layout */
  --bd-container: 1200px;
  --bd-container-wide: 1380px;
  --bd-radius: 8px;
  --bd-radius-lg: 16px;

  /* Motion */
  --bd-t-fast: 150ms ease-out;
  --bd-t-base: 300ms ease-out;
  --bd-t-slow: 500ms cubic-bezier(0.16, 1, 0.3, 1);

  --bd-shadow-card: 0 1px 2px rgba(0,61,123,.04), 0 8px 24px rgba(0,61,123,.06);
  --bd-shadow-lift: 0 12px 32px rgba(0,61,123,.14);
  --bd-shadow-nav:  0 1px 0 var(--bd-divider);

  --bd-font: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

@media (max-width: 749px) {
  :root { --bd-fs-body: 15px; --bd-fs-body-sm: 13px; }
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--bd-font);
  font-size: var(--bd-fs-body);
  line-height: 1.55;
  color: var(--bd-near-black);
  background: var(--bd-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--bd-navy); text-decoration-color: var(--bd-cyan); text-underline-offset: 3px; }
a:hover { color: var(--bd-navy-hover); }

h1, h2, h3, h4 { color: var(--bd-navy); font-weight: 600; line-height: 1.1; letter-spacing: -.01em; margin: 0 0 var(--bd-space-4); }
h3, h4 { line-height: 1.25; }
p { margin: 0 0 var(--bd-space-4); }
em { font-style: italic; }
:lang(la), .sci { font-style: italic; }

/* ---------- Focus visibility (never remove) ---------- */
:focus-visible {
  outline: 3px solid var(--bd-focus-ring);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute; left: var(--bd-space-4); top: -120px;
  z-index: 200; background: var(--bd-navy); color: #fff;
  padding: var(--bd-space-3) var(--bd-space-5); border-radius: 0 0 var(--bd-radius) var(--bd-radius);
  font-weight: 600; transition: top var(--bd-t-fast);
}
.skip-link:focus { top: 0; color: #fff; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--bd-container); margin: 0 auto; padding: 0 var(--bd-space-6); }
@media (max-width: 1023px) { .container { padding: 0 var(--bd-space-5); } }
@media (max-width: 749px)  { .container { padding: 0 var(--bd-space-4); } }

.section { padding: var(--bd-space-9) 0; }
.section--tight { padding: var(--bd-space-8) 0; }
.section--grey { background: var(--bd-soft-grey); }
@media (max-width: 749px) { .section { padding: var(--bd-space-8) 0; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--bd-space-2);
  font-size: var(--bd-fs-caption); font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--bd-cyan-bright); margin-bottom: var(--bd-space-3);
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px; background: var(--bd-cyan); display: inline-block;
}
.section-head { max-width: 760px; margin-bottom: var(--bd-space-7); }
.section-head p { color: var(--bd-near-black); font-size: var(--bd-fs-body-lg); }
.lead { font-size: var(--bd-fs-body-lg); color: var(--bd-near-black); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--bd-space-2);
  font-family: inherit; font-weight: 600; font-size: var(--bd-fs-body);
  line-height: 1; text-decoration: none; cursor: pointer;
  padding: 14px 26px; border-radius: var(--bd-radius);
  border: 2px solid transparent; transition: background var(--bd-t-fast), color var(--bd-t-fast), transform var(--bd-t-fast), border-color var(--bd-t-fast), box-shadow var(--bd-t-fast);
}
.btn:active { transform: translateY(2px); }
.btn--primary { background: var(--bd-navy); color: #fff; }
.btn--primary:hover { background: var(--bd-navy-hover); color: #fff; box-shadow: var(--bd-shadow-lift); }
.btn--secondary { background: transparent; color: var(--bd-navy); border-color: var(--bd-cyan); }
.btn--secondary:hover { background: rgba(12,176,229,.10); color: var(--bd-navy); }
.btn--ghost { background: transparent; color: var(--bd-navy); border-color: var(--bd-divider); }
.btn--ghost:hover { border-color: var(--bd-cyan); }
.btn--inverse { background: #fff; color: var(--bd-navy); }
.btn--inverse:hover { background: var(--bd-soft-grey); color: var(--bd-navy); box-shadow: var(--bd-shadow-lift); }
.btn--lg { padding: 16px 32px; font-size: 18px; }
.btn--block { display: flex; width: 100%; justify-content: center; }
.btn svg { width: 18px; height: 18px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--bd-divider);
  transition: box-shadow var(--bd-t-base);
}
.site-header.is-scrolled { box-shadow: 0 2px 16px rgba(0,61,123,.08); }
.nav {
  display: flex; align-items: center; gap: var(--bd-space-6);
  height: 88px; max-width: var(--bd-container); margin: 0 auto;
  padding: 0 var(--bd-space-6);
}
@media (max-width: 1023px) { .nav { padding: 0 var(--bd-space-5); } }
@media (max-width: 749px)  { .nav { padding: 0 var(--bd-space-4); height: 66px; gap: var(--bd-space-4); } }

.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand img { height: 56px; width: auto; }
@media (max-width: 749px) { .brand img { height: 42px; } }

.nav-links { display: flex; align-items: center; gap: var(--bd-space-6); margin-left: auto; list-style: none; padding: 0; }
.nav-links a {
  text-decoration: none; color: var(--bd-navy); font-weight: 600; font-size: 15px;
  padding: 8px 2px; position: relative;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--bd-cyan); transition: right var(--bd-t-base);
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { right: 0; }
.nav-links a[aria-current="page"] { color: var(--bd-cyan-bright); }

/* language switch */
.lang-switch { display: inline-flex; border: 1px solid var(--bd-divider); border-radius: 999px; overflow: hidden; }
.lang-switch a {
  text-decoration: none; font-weight: 600; font-size: 13px; letter-spacing: .04em;
  padding: 7px 13px; color: var(--bd-micro-grey); background: #fff; transition: background var(--bd-t-fast), color var(--bd-t-fast);
}
.lang-switch a[aria-current="true"] { background: var(--bd-navy); color: #fff; }
.lang-switch a:not([aria-current="true"]):hover { background: var(--bd-soft-grey); color: var(--bd-navy); }

.nav-cta { margin-left: var(--bd-space-2); }
.nav-cta .btn { padding: 17px 36px; font-size: 18px; }
@media (max-width: 1023px) { .nav-cta { display: none; } }

/* mobile menu */
.nav-toggle {
  display: none; margin-left: auto; background: none; border: 1px solid var(--bd-divider);
  border-radius: var(--bd-radius); width: 44px; height: 44px; cursor: pointer; color: var(--bd-navy);
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--bd-divider);
    box-shadow: 0 12px 24px rgba(0,61,123,.10);
    padding: var(--bd-space-3) var(--bd-space-4) var(--bd-space-5);
    margin: 0; transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity var(--bd-t-base), transform var(--bd-t-base);
  }
  .nav-links.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 14px 4px; border-bottom: 1px solid var(--bd-divider); font-size: 17px; }
  .nav-links a::after { display: none; }
  .nav-links .nav-mobile-cta { margin-top: var(--bd-space-4); }
  .nav-links .nav-mobile-cta a { border: none; }
}
@media (min-width: 861px) { .nav-mobile-cta { display: none; } }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 620px at 78% -10%, rgba(12,176,229,.16), transparent 60%),
    radial-gradient(900px 600px at 8% 110%, rgba(0,61,123,.08), transparent 55%),
    var(--bd-paper);
  border-bottom: 1px solid var(--bd-divider);
}
.hero-lattice {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  opacity: .5; color: var(--bd-cyan);
}
.hero .container { position: relative; z-index: 1; }
.hero-inner {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--bd-space-9);
  align-items: center; padding: var(--bd-space-10) 0;
}
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: var(--bd-space-7); padding: var(--bd-space-8) 0 var(--bd-space-9); }
}
.hero h1 {
  font-size: var(--bd-fs-display); letter-spacing: -.025em; margin-bottom: var(--bd-space-4);
}
.hero h1 .accent { color: var(--bd-cyan-bright); font-style: italic; }
.hero .subhead { font-size: var(--bd-fs-body-lg); color: var(--bd-near-black); max-width: 32ch; margin-bottom: var(--bd-space-6); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--bd-space-4); }

/* hero visual panel */
.hero-panel {
  position: relative; aspect-ratio: 5/5.4; border-radius: var(--bd-radius-lg);
  background: linear-gradient(160deg, var(--bd-navy) 0%, #022f5e 60%, #04223f 100%);
  color: #fff; padding: var(--bd-space-7); overflow: hidden;
  box-shadow: var(--bd-shadow-lift);
  display: flex; flex-direction: column; justify-content: flex-end;
}
.hero-panel .molecule-bg { position: absolute; top: -18%; right: -14%; width: 78%; opacity: .9; }
.hero-panel .panel-grid {
  position: absolute; inset: 0; opacity: .14;
  background-image: linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: linear-gradient(to top, #000, transparent 75%);
  -webkit-mask-image: linear-gradient(to top, #000, transparent 75%);
}
.hero-panel .panel-stats { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: var(--bd-space-5); }
.hero-panel .stat .num { font-size: clamp(30px, 4vw, 42px); font-weight: 700; line-height: 1; color: #fff; }
.hero-panel .stat .lbl { font-size: var(--bd-fs-body-sm); color: rgba(255,255,255,.78); margin-top: var(--bd-space-1); }
.hero-panel .panel-kicker { position: relative; z-index: 1; font-size: var(--bd-fs-body-sm); color: var(--bd-cyan); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin-bottom: var(--bd-space-5); }
@media (max-width: 960px) { .hero-panel { aspect-ratio: 16/10; } }

/* ---------- Marquee / trust ticker (clients band) ---------- */
.serve-band { background: var(--bd-navy); color: #fff; }
.serve-band .container { padding-top: var(--bd-space-8); padding-bottom: var(--bd-space-8); }
.serve-band .eyebrow { color: var(--bd-cyan); }
.serve-band h2 { color: #fff; }
.serve-band p { color: rgba(255,255,255,.86); font-size: var(--bd-fs-body-lg); margin: 0; max-width: 60ch; }
.serve-list { display: flex; flex-wrap: wrap; gap: var(--bd-space-3); margin-top: var(--bd-space-6); padding: 0; list-style: none; }
.serve-list li {
  border: 1px solid rgba(255,255,255,.22); border-radius: 999px;
  padding: 9px 18px; font-size: var(--bd-fs-body-sm); font-weight: 600;
  display: inline-flex; align-items: center; gap: var(--bd-space-2);
}
.serve-list li svg { width: 16px; height: 16px; color: var(--bd-cyan); }

/* ---------- Service cards ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: var(--bd-space-6); }
@media (max-width: 1200px) { .cards-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 960px) { .cards-grid { grid-template-columns: repeat(2, 1fr); gap: var(--bd-space-5); } }
@media (max-width: 640px) { .cards-grid { grid-template-columns: 1fr; } }

.svc-card {
  position: relative; background: #fff; border: 1px solid var(--bd-divider);
  border-radius: var(--bd-radius); padding: var(--bd-space-6);
  border-top: 4px solid var(--card-accent, var(--bd-cyan));
  box-shadow: var(--bd-shadow-card);
  transition: transform var(--bd-t-base), box-shadow var(--bd-t-base);
  display: flex; flex-direction: column;
}
.svc-card:hover { transform: translateY(-4px); box-shadow: var(--bd-shadow-lift); }
.svc-card .card-icon {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--card-accent, var(--bd-cyan)) 12%, #fff);
  color: var(--card-accent, var(--bd-cyan)); margin-bottom: var(--bd-space-5);
}
.svc-card .card-icon svg { width: 30px; height: 30px; }
.svc-card h3 { font-size: var(--bd-fs-h4); margin-bottom: var(--bd-space-3); }
.svc-card p { color: var(--bd-near-black); margin-bottom: var(--bd-space-5); flex-grow: 1; }
.method-tags { display: flex; flex-wrap: wrap; gap: var(--bd-space-2); padding: 0; margin: 0; list-style: none; }
.method-tags li {
  font-size: var(--bd-fs-caption); font-weight: 600; letter-spacing: .02em;
  color: var(--bd-navy-mid); background: var(--bd-soft-grey);
  border: 1px solid var(--bd-divider); border-radius: 999px; padding: 4px 11px;
}

/* ---------- Value / Why grid ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--bd-space-5); }
@media (max-width: 960px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .why-grid { grid-template-columns: 1fr; } }
.why-item {
  background: #fff; border: 1px solid var(--bd-divider); border-radius: var(--bd-radius);
  padding: var(--bd-space-5); transition: border-color var(--bd-t-base), transform var(--bd-t-base);
}
.why-item:hover { border-color: var(--bd-cyan); transform: translateY(-3px); }
.why-item .why-mark { color: var(--bd-cyan); margin-bottom: var(--bd-space-3); }
.why-item .why-mark svg { width: 26px; height: 26px; }
.why-item h3 { font-size: var(--bd-fs-h4); margin-bottom: var(--bd-space-2); }
.why-item p { font-size: var(--bd-fs-body-sm); color: var(--bd-near-black); margin: 0; }
.why-closing {
  margin-top: var(--bd-space-7); font-size: var(--bd-fs-h3); color: var(--bd-navy);
  font-weight: 600; max-width: 22ch;
}

/* ---------- Intro split ---------- */
.intro-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--bd-space-9); align-items: center; }
@media (max-width: 960px) { .intro-split { grid-template-columns: 1fr; gap: var(--bd-space-6); } }
.intro-split .intro-figure {
  border-radius: var(--bd-radius-lg); background: var(--bd-soft-grey);
  border: 1px solid var(--bd-divider); aspect-ratio: 4/3; position: relative; overflow: hidden;
  display: grid; place-items: center;
}
.intro-figure .molecule-art { width: 60%; color: var(--bd-cyan); opacity: .9; }
.intro-figure .figure-grid {
  position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(var(--bd-divider) 1px, transparent 1px),
                    linear-gradient(90deg, var(--bd-divider) 1px, transparent 1px);
  background-size: 40px 40px;
}
.one-health {
  display: inline-flex; align-items: center; gap: var(--bd-space-2);
  border: 1px solid var(--bd-cyan); color: var(--bd-navy); background: rgba(12,176,229,.07);
  border-radius: 999px; padding: 6px 14px; font-size: var(--bd-fs-body-sm); font-weight: 600;
  margin-bottom: var(--bd-space-5);
}

/* ---------- Accreditation trust block ---------- */
.accred {
  border: 1px solid var(--bd-divider); border-left: 4px solid var(--bd-cyan);
  background: var(--bd-soft-grey); border-radius: var(--bd-radius);
  padding: var(--bd-space-6); display: grid; grid-template-columns: auto 1fr; gap: var(--bd-space-5); align-items: start;
}
@media (max-width: 640px) { .accred { grid-template-columns: 1fr; } }
.accred .accred-badge {
  width: 64px; height: 64px; border-radius: 14px; background: var(--bd-navy);
  color: #fff; display: grid; place-items: center; flex-shrink: 0;
}
.accred .accred-badge svg { width: 34px; height: 34px; }
.accred .accred-label { font-weight: 600; color: var(--bd-navy); font-size: var(--bd-fs-h4); margin-bottom: var(--bd-space-2); }
.accred .accred-foot { font-size: var(--bd-fs-body-sm); color: var(--bd-micro-grey); margin: 0; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--bd-space-8); align-items: start; }
@media (max-width: 960px) { .contact-grid { grid-template-columns: 1fr; gap: var(--bd-space-7); } }
.contact-list { list-style: none; padding: 0; margin: var(--bd-space-5) 0 0; display: grid; gap: var(--bd-space-6); }
.contact-list .ci { display: grid; grid-template-columns: auto 1fr; gap: var(--bd-space-4); align-items: start; }
.contact-list .ci-icon {
  width: 44px; height: 44px; border-radius: 11px; background: var(--bd-soft-grey);
  color: var(--bd-navy); display: grid; place-items: center; flex-shrink: 0; border: 1px solid var(--bd-divider);
}
.contact-list .ci-icon svg { width: 22px; height: 22px; }
.contact-list .ci-label { display: block; font-size: var(--bd-fs-caption); text-transform: uppercase; letter-spacing: .08em; color: var(--bd-micro-grey); font-weight: 600; margin-bottom: 6px; }
.contact-list .ci-value { display: block; color: var(--bd-near-black); font-weight: 600; }
.contact-list .ci-value a { color: var(--bd-navy); font-weight: 600; }
.contact-list .ci-value .muted { display: block; font-weight: 400; color: var(--bd-micro-grey); font-size: var(--bd-fs-body-sm); }

/* CTA panel (navy) */
.cta-panel {
  background: linear-gradient(160deg, var(--bd-navy), #022f5e);
  color: #fff; border-radius: var(--bd-radius-lg); padding: var(--bd-space-8);
  position: relative; overflow: hidden;
}
.cta-panel .molecule-bg { position: absolute; right: -10%; bottom: -16%; width: 46%; opacity: .55; }
.cta-panel h2 { color: #fff; position: relative; }
.cta-panel p { color: rgba(255,255,255,.85); position: relative; max-width: 46ch; }
.cta-panel .cta-actions { display: flex; flex-wrap: wrap; gap: var(--bd-space-4); position: relative; margin-top: var(--bd-space-6); }

/* ---------- Forms ---------- */
.form { display: grid; gap: var(--bd-space-5); }
.form .field { display: grid; gap: 6px; }
.form .field.row2 { grid-template-columns: 1fr 1fr; gap: var(--bd-space-5); }
@media (max-width: 540px) { .form .field.row2 { grid-template-columns: 1fr; } }
.form label { font-weight: 600; font-size: var(--bd-fs-body-sm); color: var(--bd-navy); }
.form label .req { color: var(--bd-error); }
.form input, .form textarea {
  font-family: inherit; font-size: var(--bd-fs-body); color: var(--bd-near-black);
  padding: 12px 14px; border: 1px solid var(--bd-divider); border-radius: var(--bd-radius);
  background: #fff; width: 100%; transition: border-color var(--bd-t-fast), box-shadow var(--bd-t-fast);
}
.form input:focus, .form textarea:focus {
  outline: none; border-color: var(--bd-cyan);
  box-shadow: 0 0 0 3px rgba(12,176,229,.22);
}
.form textarea { min-height: 140px; resize: vertical; }
.form .form-note { font-size: var(--bd-fs-body-sm); color: var(--bd-micro-grey); margin: 0; }
.form-card {
  background: #fff; border: 1px solid var(--bd-divider); border-radius: var(--bd-radius-lg);
  padding: var(--bd-space-7); box-shadow: var(--bd-shadow-card);
}
@media (max-width: 540px) { .form-card { padding: var(--bd-space-5); } }

/* ---------- Article / legal pages ---------- */
.page-hero {
  background: linear-gradient(160deg, var(--bd-navy), #022f5e); color: #fff;
  padding: var(--bd-space-9) 0 var(--bd-space-8); position: relative; overflow: hidden;
  border-bottom: 4px solid var(--bd-cyan);
}
.page-hero .molecule-bg { position: absolute; right: -6%; top: -30%; width: 30%; opacity: .4; }
.page-hero .container { position: relative; }
.page-hero .eyebrow { color: var(--bd-cyan); }
.page-hero h1 { color: #fff; font-size: var(--bd-fs-h1); margin-bottom: var(--bd-space-3); }
.page-hero p { color: rgba(255,255,255,.86); font-size: var(--bd-fs-body-lg); max-width: 58ch; margin: 0; }

.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { font-size: var(--bd-fs-h2); margin-top: var(--bd-space-7); }
.prose h3 { font-size: var(--bd-fs-h3); margin-top: var(--bd-space-6); }
.prose p, .prose li { font-size: var(--bd-fs-body-lg); line-height: 1.65; }
.prose strong { color: var(--bd-navy); }
.prose .updated { color: var(--bd-micro-grey); font-style: italic; font-size: var(--bd-fs-body-sm); margin-top: var(--bd-space-7); border-top: 1px solid var(--bd-divider); padding-top: var(--bd-space-5); }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: var(--bd-space-2); }

/* ---------- Footer ---------- */
.site-footer { background: #fff; border-top: 1px solid var(--bd-divider); }
.footer-main {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--bd-space-7);
  padding: var(--bd-space-9) 0 var(--bd-space-7);
}
@media (max-width: 860px) { .footer-main { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-main { grid-template-columns: 1fr; gap: var(--bd-space-6); } }
.footer-brand img { height: 44px; width: auto; margin-bottom: var(--bd-space-4); }
.footer-brand p { color: var(--bd-micro-grey); font-size: var(--bd-fs-body-sm); max-width: 34ch; }
.footer-col h4 { font-size: var(--bd-fs-caption); text-transform: uppercase; letter-spacing: .1em; color: var(--bd-micro-grey); margin-bottom: var(--bd-space-4); }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--bd-space-3); }
.footer-col a { color: var(--bd-navy); text-decoration: none; font-size: var(--bd-fs-body-sm); font-weight: 600; }
.footer-col a:hover { color: var(--bd-cyan-bright); }
.footer-col .footer-contact { color: var(--bd-near-black); font-weight: 400; }
.footer-legal { background: var(--bd-navy); color: rgba(255,255,255,.78); }
.footer-legal .container { padding-top: var(--bd-space-5); padding-bottom: var(--bd-space-5); display: flex; flex-wrap: wrap; gap: var(--bd-space-4) var(--bd-space-6); align-items: center; justify-content: space-between; font-size: var(--bd-fs-body-sm); }
.footer-legal .accred-mini { font-size: var(--bd-fs-caption); color: rgba(255,255,255,.65); width: 100%; }
.footer-legal a { color: #fff; }

/* ---------- Reveal-on-load animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); }
.is-visible .reveal, .reveal.is-visible { opacity: 1; transform: none; transition: opacity var(--bd-t-slow), transform var(--bd-t-slow); }
[data-delay="1"] { transition-delay: 80ms; }
[data-delay="2"] { transition-delay: 160ms; }
[data-delay="3"] { transition-delay: 240ms; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ---------- Services filter (segmented chips) ---------- */
.svc-filter {
  display: flex; flex-wrap: wrap; gap: var(--bd-space-3);
  margin-bottom: var(--bd-space-7);
}
.svc-filter .filter-chip {
  font-family: inherit; font-weight: 600; font-size: var(--bd-fs-body-sm);
  letter-spacing: .01em; cursor: pointer;
  display: inline-flex; align-items: center; gap: var(--bd-space-2);
  padding: 9px 18px; border-radius: 999px;
  border: 1px solid var(--bd-divider); background: #fff; color: var(--bd-navy);
  transition: background var(--bd-t-fast), color var(--bd-t-fast), border-color var(--bd-t-fast), box-shadow var(--bd-t-fast);
}
.svc-filter .filter-chip::before {
  content: ""; width: 9px; height: 9px; border-radius: 50%;
  background: var(--chip-accent, var(--bd-cyan)); flex-shrink: 0;
}
.svc-filter .filter-chip[data-cat="all"]::before { display: none; }
.svc-filter .filter-chip:hover { border-color: var(--bd-cyan); background: rgba(12,176,229,.06); }
.svc-filter .filter-chip[aria-pressed="true"] {
  background: var(--bd-navy); color: #fff; border-color: var(--bd-navy);
}
.svc-filter .filter-chip[aria-pressed="true"]:hover { background: var(--bd-navy-hover); }
.svc-filter .filter-chip .chip-count {
  font-size: var(--bd-fs-caption); font-weight: 700; opacity: .75;
}

/* services result count (live region) */
.svc-count { font-size: var(--bd-fs-body-sm); color: var(--bd-micro-grey); margin: 0 0 var(--bd-space-6); }

/* services grid + cards (catalogue) */
.svc-catalogue { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--bd-space-6); }
@media (max-width: 960px) { .svc-catalogue { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .svc-catalogue { grid-template-columns: 1fr; } }
.svc-catalogue .svc-card { padding: var(--bd-space-5); }
.svc-catalogue .svc-card[hidden] { display: none; }
.svc-card .card-cat {
  display: inline-flex; align-items: center; gap: var(--bd-space-2);
  font-size: var(--bd-fs-caption); font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--card-accent, var(--bd-cyan));
  margin-bottom: var(--bd-space-3);
}
.svc-card .card-cat::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--card-accent, var(--bd-cyan));
}
.svc-card .card-desc { font-size: var(--bd-fs-body-sm); color: var(--bd-near-black); margin-bottom: var(--bd-space-4); flex-grow: 1; }
.svc-card .sample-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--bd-fs-caption); font-weight: 600; color: var(--bd-micro-grey);
  margin-bottom: var(--bd-space-4);
}
.svc-card .sample-tag svg { width: 14px; height: 14px; color: var(--bd-cyan); }
.method-tags .tag--iso { background: color-mix(in srgb, var(--bd-navy) 8%, #fff); color: var(--bd-navy); border-color: color-mix(in srgb, var(--bd-navy) 18%, #fff); }
.svc-empty { color: var(--bd-micro-grey); font-size: var(--bd-fs-body-lg); padding: var(--bd-space-7) 0; }
.svc-empty[hidden] { display: none; }

/* ---------- Utility ---------- */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }