/* ==========================================================================
   PVF Plus — design system
   Pipe, Valves & Fittings · GF Piping Systems dealer
   Industrial B2B: navy/steel palette, high legibility, dense spec tables.
   ========================================================================== */

:root {
  /* ---- surface ---- */
  --ink:        #0b1a2b;   /* deep steel navy */
  --ink-2:      #12263d;
  --ink-3:      #1a3350;
  --line:       #24425f;
  --line-soft:  #d8e0e8;

  --paper:      #ffffff;
  --paper-2:    #f5f7fa;
  --paper-3:    #eef2f6;

  /* ---- text ---- */
  --text:       #0e1c2c;
  --text-2:     #4a5c70;
  --text-3:     #7a8a9c;
  --on-dark:    #eaf0f6;
  --on-dark-2:  #a8bccf;

  /* ---- brand ---- */
  --brand:      #0a5ca8;   /* engineering blue */
  --brand-2:    #084a87;
  --brand-soft: #e8f1fa;
  --accent:     #f5a623;   /* safety amber — the "plus", CTAs */
  --accent-2:   #d98d0f;
  --water:      #0a8f9e;   /* municipal/water cues */
  --green:      #1d7a4c;

  /* ---- metrics ---- */
  --wrap: 1240px;
  --wrap-narrow: 860px;
  --r: 4px;
  --r-lg: 8px;
  --ctl: 44px;

  --shadow-sm: 0 1px 2px rgba(14,28,44,.06);
  --shadow:    0 4px 16px rgba(14,28,44,.08);
  --shadow-lg: 0 12px 40px rgba(14,28,44,.12);

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-2); text-decoration: underline; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
button, input, select, textarea { font: inherit; color: inherit; }

/* ---------- layout ---------- */
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: var(--wrap-narrow); margin: 0 auto; padding: 0 24px; }
.section { padding: 76px 0; }
.section-sm { padding: 48px 0; }
.section-dark { background: var(--ink); color: var(--on-dark); }
.section-alt { background: var(--paper-2); }
.stack > * + * { margin-top: 1rem; }

/* ---------- top utility bar ---------- */
.util {
  background: var(--ink);
  color: var(--on-dark-2);
  font-size: 13px;
  border-bottom: 1px solid var(--line);
}
.util .wrap { display: flex; align-items: center; gap: 20px; height: 38px; }
.util a { color: var(--on-dark-2); }
.util a:hover { color: #fff; text-decoration: none; }
.util .spacer { flex: 1; }
.util .u-item { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.util svg { width: 14px; height: 14px; opacity: .75; }
@media (max-width: 900px) { .util .u-hide-sm { display: none; } }

/* ---------- header ---------- */
.masthead {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.masthead .wrap { display: flex; align-items: center; gap: 28px; height: 72px; }
.logo { display: flex; align-items: center; gap: 11px; text-decoration: none; flex-shrink: 0; }
.logo:hover { text-decoration: none; }
.logo-mark { width: 38px; height: 38px; flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; line-height: 1.05; }
.logo-name { font-size: 20px; font-weight: 800; letter-spacing: -0.03em; color: var(--text); }
.logo-name .plus { color: var(--accent); }
.logo-sub { font-size: 9.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--text-3); }

.nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav > a, .nav .has-drop > button {
  padding: 9px 13px; border-radius: var(--r);
  font-size: 14.5px; font-weight: 500; color: var(--text-2);
  background: none; border: 0; cursor: pointer;
  display: inline-flex; align-items: center; gap: 5px;
  transition: background .15s, color .15s;
}
.nav > a:hover, .nav .has-drop > button:hover { background: var(--paper-3); color: var(--text); text-decoration: none; }
.nav > a.active { color: var(--brand); background: var(--brand-soft); }
.nav .caret { width: 10px; height: 10px; opacity: .55; }

/* dropdown */
.has-drop { position: relative; }
.drop {
  position: absolute; top: calc(100% + 6px); left: 0;
  min-width: 300px; background: #fff;
  border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity .15s, transform .15s, visibility .15s;
}
.has-drop:hover .drop, .has-drop:focus-within .drop { opacity: 1; visibility: visible; transform: translateY(0); }
.drop a {
  display: block; padding: 9px 12px; border-radius: var(--r);
  color: var(--text); font-size: 14px;
}
.drop a:hover { background: var(--paper-3); text-decoration: none; }
.drop a b { display: block; font-weight: 600; }
.drop a span { display: block; font-size: 12.5px; color: var(--text-3); margin-top: 1px; }
.drop .drop-head { font-size: 10.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-3); padding: 8px 12px 4px; }

.mast-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--r);
  font-size: 15px; font-weight: 600; letter-spacing: -0.01em;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background .15s, border-color .15s, color .15s, transform .1s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-2); color: #fff; }
.btn-accent { background: var(--accent); color: #24160a; }
.btn-accent:hover { background: var(--accent-2); color: #24160a; }
.btn-outline { border-color: var(--line-soft); background: #fff; color: var(--text); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); }
.btn-ghost-dark { border-color: var(--line); background: transparent; color: var(--on-dark); }
.btn-ghost-dark:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 15px; font-size: 13.5px; }
.btn-lg { padding: 15px 30px; font-size: 16.5px; }
.btn svg { width: 17px; height: 17px; flex-shrink: 0; }

/* ---------- eyebrow / headings ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent); border-radius: 2px; }
.eyebrow.on-dark { color: var(--accent); }
.h-xl { font-size: clamp(36px, 5.4vw, 58px); line-height: 1.06; letter-spacing: -0.035em; }
.h-lg { font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -0.03em; }
.h-md { font-size: clamp(22px, 2.4vw, 28px); }
.h-sm { font-size: 19px; }
.lede { font-size: clamp(16.5px, 1.9vw, 19.5px); color: var(--text-2); line-height: 1.62; max-width: 64ch; }
.lede.on-dark { color: var(--on-dark-2); }
.sec-head { max-width: 74ch; margin-bottom: 44px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head .h-lg, .sec-head .h-xl { margin-bottom: 14px; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(155deg, var(--ink) 0%, var(--ink-2) 58%, var(--ink-3) 100%);
  color: var(--on-dark);
  padding: 88px 0 92px;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 20%, transparent 75%);
}
.hero .wrap { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero .lede { color: var(--on-dark-2); margin-bottom: 30px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 34px; }

.trust-row { display: flex; flex-wrap: wrap; gap: 26px; padding-top: 26px; border-top: 1px solid var(--line); }
.trust { display: flex; align-items: flex-start; gap: 11px; }
.trust svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.trust b { display: block; font-size: 14px; color: #fff; font-weight: 600; }
.trust span { font-size: 12.5px; color: var(--on-dark-2); }

/* hero side card */
.hero-card {
  background: rgba(255,255,255,.045);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  backdrop-filter: blur(8px);
  overflow: hidden;
}
.hero-card-head {
  padding: 16px 22px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; color: var(--on-dark); letter-spacing: .02em;
}
.hero-card-head svg { width: 17px; height: 17px; color: var(--accent); }
.hero-card-body { padding: 18px 22px 22px; }
.hero-list { list-style: none; padding: 0; margin: 0; }
.hero-list li {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 0; font-size: 14.5px; color: var(--on-dark-2);
  border-bottom: 1px solid rgba(255,255,255,.055);
}
.hero-list li:last-child { border-bottom: 0; }
.hero-list .tick {
  width: 17px; height: 17px; border-radius: 50%; flex-shrink: 0;
  background: rgba(245,166,35,.16); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700;
}
.hero-card-foot {
  padding: 14px 22px; background: rgba(0,0,0,.18);
  border-top: 1px solid var(--line);
  font-size: 13px; color: var(--on-dark-2);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.hero-card-foot a { color: var(--accent); font-weight: 600; }

/* ---------- stat strip ---------- */
.stat-strip { background: var(--paper-2); border-bottom: 1px solid var(--line-soft); }
.stat-strip .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; }
.stat { padding: 28px 26px; border-left: 1px solid var(--line-soft); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font-size: 27px; font-weight: 800; color: var(--ink); letter-spacing: -0.03em; }
.stat b .u { font-size: 15px; font-weight: 600; color: var(--text-3); }
.stat span { font-size: 13px; color: var(--text-2); }
@media (max-width: 860px) {
  .stat-strip .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat { padding: 22px 18px; }
}

/* ---------- cards ---------- */
.card-grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1040px) { .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 980px)  { .g3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px)  { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  padding: 26px; display: flex; flex-direction: column;
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.card:hover { border-color: #c3d0dc; box-shadow: var(--shadow); transform: translateY(-2px); }
.card-ico {
  width: 46px; height: 46px; border-radius: var(--r); margin-bottom: 17px;
  background: var(--brand-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.card-ico svg { width: 23px; height: 23px; }
.card-ico.amber { background: #fdf1dd; color: var(--accent-2); }
.card-ico.water { background: #e2f4f6; color: var(--water); }
.card-ico.green { background: #e3f4ec; color: var(--green); }
.card h3 { font-size: 18px; margin-bottom: 9px; }
.card p { font-size: 14.5px; color: var(--text-2); line-height: 1.58; margin-bottom: 0; }
.card ul { margin: 14px 0 0; padding-left: 18px; font-size: 14px; color: var(--text-2); }
.card ul li { margin-bottom: 5px; }
.card-link { margin-top: auto; padding-top: 18px; font-size: 14px; font-weight: 600; }
.card-link a { display: inline-flex; align-items: center; gap: 6px; }
.card-link svg { width: 14px; height: 14px; transition: transform .18s; }
.card:hover .card-link svg { transform: translateX(3px); }

/* ---------- market feature rows ---------- */
/* ---------- market hero photo ----------
   Real photography under the hero copy: full-bleed across the section, but
   height-capped so it reads as a band rather than a full-screen image. The
   hero's own bottom padding collapses when a photo follows, so copy + photo
   read as one continuous block. */
.page-hero-photo {
  margin-top: 46px;
  border-top: 1px solid rgba(255,255,255,.07);
  line-height: 0;
  background: #0b1a2b;
  position: relative;
}
.page-hero-photo::after {
  /* subtle left-to-right scrim so the photo sits into the hero, not on top of it */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(11,26,43,.55) 0%, rgba(11,26,43,.06) 38%, rgba(11,26,43,0) 70%);
}
.page-hero-photo img {
  width: 100%;
  height: clamp(180px, 26vw, 380px);
  object-fit: cover;
  object-position: 50% 50%;
  display: block;
}
@media (max-width: 900px) {
  .page-hero-photo img { height: clamp(160px, 34vw, 260px); }
}
@media (max-width: 620px) {
  .page-hero-photo { margin-top: 32px; }
  .page-hero-photo img { height: 168px; object-position: 60% 50%; }
}
.page-hero:has(.page-hero-photo) { padding-bottom: 0; }

/* ---------- schematic diagram block ----------
   The technical drawing gets its own section further down the page, where it
   answers "how does this system actually work" instead of competing with the
   hero photo. Contained in the content wrap, scaled by its own aspect. */
.diagram {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #0b1a2b;
  line-height: 0;
}
.diagram img { width: 100%; height: auto; display: block; }
.diagram-cap {
  padding: 14px 20px 16px;
  font-size: 13.5px; color: var(--on-dark-2);
  background: #0e1f33;
  border-top: 1px solid var(--line);
  line-height: 1.5;
}
@media (max-width: 620px) {
  .diagram { border-radius: var(--r); }
  .diagram img { height: auto; }
  .diagram-cap { font-size: 12.5px; padding: 12px 16px; }
}

.feature {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center;
  padding: 44px 0; border-bottom: 1px solid var(--line-soft);
}
.feature:last-child { border-bottom: 0; }
.feature.rev { direction: rtl; }
.feature.rev > * { direction: ltr; }
@media (max-width: 900px) { .feature, .feature.rev { grid-template-columns: 1fr; gap: 26px; direction: ltr; } }
.feature h3 { font-size: clamp(22px, 2.5vw, 29px); margin-bottom: 12px; }
.feature p { color: var(--text-2); }
.feature-visual {
  border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line-soft);
  background: var(--paper-2);
}
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.tag {
  font-size: 12.5px; font-weight: 500; color: var(--text-2);
  background: var(--paper-3); border: 1px solid var(--line-soft);
  padding: 4px 11px; border-radius: 999px;
}
.tag.brand { background: var(--brand-soft); border-color: #cfe2f5; color: var(--brand-2); }

/* ---------- spec table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: var(--r-lg); }
table.spec { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.spec caption { text-align: left; padding: 15px 18px; font-weight: 700; font-size: 15px;
  background: var(--paper-2); border-bottom: 1px solid var(--line-soft); }
table.spec th {
  text-align: left; padding: 12px 18px; background: var(--ink); color: var(--on-dark);
  font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  white-space: nowrap;
}
table.spec td { padding: 12px 18px; border-bottom: 1px solid var(--line-soft); color: var(--text-2); }
table.spec tbody tr:last-child td { border-bottom: 0; }
table.spec tbody tr:nth-child(even) { background: var(--paper-2); }
table.spec td:first-child { color: var(--text); font-weight: 600; }
table.spec td.mono { font-family: var(--mono); font-size: 13px; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(140deg, var(--ink-2), var(--ink-3));
  color: var(--on-dark); padding: 62px 0; border-top: 3px solid var(--accent);
}
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 10px; }
.cta-band p { color: var(--on-dark-2); margin: 0; max-width: 60ch; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- breadcrumb ---------- */
.crumb { font-size: 13px; color: var(--text-3); margin-bottom: 18px; }
.crumb a { color: var(--text-3); }
.crumb a:hover { color: var(--brand); }
.crumb .sep { margin: 0 7px; opacity: .5; }

/* ---------- page hero (interior) ---------- */
.page-hero {
  background: linear-gradient(150deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--on-dark); padding: 62px 0 66px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, #000, transparent 70%);
}
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; margin-bottom: 16px; }
.page-hero .lede { color: var(--on-dark-2); }
.page-hero .crumb, .page-hero .crumb a { color: var(--on-dark-2); }
.page-hero .crumb a:hover { color: #fff; }

/* ---------- check list ---------- */
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { position: relative; padding-left: 30px; margin-bottom: 11px; font-size: 15px; color: var(--text-2); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .42em;
  width: 17px; height: 17px; border-radius: 50%;
  background: var(--brand-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a5ca8' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'><path d='M20 6L9 17l-5-5'/></svg>") center/11px no-repeat;
}
.checks.on-dark li { color: var(--on-dark-2); }

/* ---------- forms ---------- */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; font-size: 15px;
  border: 1px solid var(--line-soft); border-radius: var(--r);
  background: #fff; transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(10,92,168,.12);
}
.field textarea { min-height: 120px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 620px) { .field-row { grid-template-columns: 1fr; } }
.form-note { font-size: 13px; color: var(--text-3); }

/* contact info block */
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; gap: 13px; padding: 15px 0; border-bottom: 1px solid var(--line-soft); }
.info-list li:last-child { border-bottom: 0; }
.info-list svg { width: 19px; height: 19px; color: var(--brand); flex-shrink: 0; margin-top: 2px; }
.info-list b { display: block; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); font-weight: 700; margin-bottom: 2px; }
.info-list span, .info-list a { font-size: 15.5px; color: var(--text); }
.info-list a:hover { color: var(--brand); }

/* ---------- brand strip (GF) ---------- */
.gf-band {
  background: var(--paper-2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
  padding: 30px 0;
}
.gf-band .wrap { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.gf-band-text { font-size: 14px; color: var(--text-2); flex: 1; min-width: 260px; }
.gf-band-text b { color: var(--text); }
.gf-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--r);
  padding: 11px 18px; font-size: 13.5px; font-weight: 600; color: var(--text);
}
.gf-badge svg { width: 20px; height: 20px; color: var(--brand); }

/* ---------- footer ---------- */
.foot { background: var(--ink); color: var(--on-dark-2); padding: 58px 0 0; font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 560px) { .foot-grid { grid-template-columns: 1fr; } }
.foot h4 { color: #fff; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; font-weight: 700; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin-bottom: 10px; }
.foot a { color: var(--on-dark-2); }
.foot a:hover { color: #fff; text-decoration: none; }
.foot .logo-name { color: #fff; }
.foot .logo-sub { color: var(--on-dark-2); }
.foot-about { margin-top: 14px; font-size: 13.5px; line-height: 1.6; max-width: 40ch; }
.foot-bar {
  border-top: 1px solid var(--line); padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  font-size: 13px;
}
.foot-bar .fb-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- utility ---------- */
.mb-0 { margin-bottom: 0; } .mt-0 { margin-top: 0; }
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; } .mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; } .mb-4 { margin-bottom: 2rem; }
.tc { text-align: center; }
.muted { color: var(--text-2); }
.small { font-size: 13.5px; }
.mono { font-family: var(--mono); }
.sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 10px 16px;
  border-radius: var(--r); box-shadow: var(--shadow-lg); }

@media print {
  .masthead, .foot, .util, .cta-band { display: none; }
  body { color: #000; }
}

/* ---------- mobile nav ---------- */
.nav-toggle { display: none; background: none; border: 1px solid var(--line-soft);
  border-radius: var(--r); width: 42px; height: 42px; cursor: pointer;
  align-items: center; justify-content: center; }
.nav-toggle svg { width: 20px; height: 20px; }
@media (max-width: 1040px) {
  .masthead .wrap { height: 64px; gap: 14px; }
  .nav-toggle { display: inline-flex; order: 3; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; border-bottom: 1px solid var(--line-soft);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 10px 16px 18px; box-shadow: var(--shadow);
    max-height: calc(100vh - 64px); overflow-y: auto;
  }
  .nav.open { display: flex; }
  .nav > a, .nav .has-drop > button { width: 100%; justify-content: space-between; padding: 12px 10px; font-size: 16px; }
  .drop { position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; padding: 0 0 8px 10px; min-width: 0; }
  .mast-actions { margin-left: auto; }
  .mast-actions .btn span.hide-sm { display: none; }
}