/* =========================================================
   GRIDIAN — Design System
   Palette: ink navy / paper / copper (electrical) / pipe-blue (plumbing) / amber
   Type: Space Grotesk (display) · IBM Plex Sans (body) · IBM Plex Mono (data)
   ========================================================= */

:root{
  --ink:        #0E1B2E;
  --ink-soft:   #16283F;
  --paper:      #F6F3EC;
  --paper-dim:  #ECE7DA;
  --copper:     #C72D1B;
  --copper-dim: #A62313;
  --pipe:       #3E6E8E;
  --pipe-dim:   #305A76;
  --amber:      #E8A93D;
  --ink-text:   #16202C;
  --muted:      #5C6773;
  --muted-on-ink: #9FB0C3;
  --line:       #DDD6C4;
  --line-on-ink: rgba(255,255,255,0.14);
  --radius: 3px;
  --max: 1180px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink-text);
  background: var(--paper);
  line-height: 1.6;
  font-size: 16px;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
p{ margin: 0 0 1em; }
.container{ max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.mono{ font-family: var(--font-mono); }

/* Skip link / focus */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}
.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--ink); color:var(--paper); padding:12px 20px; z-index:200;
}
.skip-link:focus{ left:16px; top:16px; }
.hidden-field{ display:none; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}

/* =================== TOP UTILITY BAR =================== */
.utility-bar{
  background: var(--ink);
  color: var(--muted-on-ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: .02em;
}
.utility-bar .container{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:8px; padding-bottom:8px; gap: 16px; flex-wrap:wrap;
}
.utility-bar a{ color: var(--amber); }
.utility-bar .u-status::before{
  content:"●"; color:#5FBF7A; margin-right:6px; font-size:.7em; vertical-align:middle;
}

/* =================== HEADER / NAV =================== */
header.site-header{
  background: var(--ink);
  border-bottom: 1px solid var(--line-on-ink);
  position: sticky; top:0; z-index: 100;
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding: 10px 0;
  gap: 20px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  flex-shrink: 0;
}
.logo img{
  display:block;
  height: 276px;
  width: auto;
}
nav.primary-nav ul{ display:flex; gap: 18px; align-items:center; flex-wrap:nowrap; }
nav.primary-nav a{
  color: var(--paper); font-size:.86rem; font-weight:500; white-space:nowrap;
  padding: 6px 1px; border-bottom: 2px solid transparent;
}
nav.primary-nav a:hover, nav.primary-nav a[aria-current="page"]{ border-bottom-color: var(--copper); }
.nav-cta{
  background: var(--copper); color: var(--paper) !important; padding: 10px 18px !important;
  border-radius: var(--radius); border-bottom:none !important; flex-shrink:0;
}
.nav-cta:hover{ background: var(--copper-dim); }
.menu-toggle{
  display:none; background:none; border:1px solid var(--line-on-ink); color:var(--paper);
  padding:8px 10px; font-size:1.1rem; border-radius:var(--radius); cursor:pointer; flex-shrink:0;
}

/* Mid-size screens: shrink logo + nav text slightly before handing off to the hamburger,
   so the bar never gets crowded or overlaps */
@media (max-width: 1280px){
  .logo img{ height: 216px; }
  nav.primary-nav ul{ gap: 12px; }
  nav.primary-nav a{ font-size:.8rem; }
  .nav-cta{ padding: 9px 14px !important; font-size:.82rem; }
}

@media (max-width: 1100px){
  .menu-toggle{ display:block; }
  .logo img{ height: 180px; }
  nav.primary-nav{
    display:none; position:absolute; left:0; right:0; top:100%;
    background: var(--ink); border-bottom:1px solid var(--line-on-ink);
    max-height: calc(100vh - 100%); overflow-y:auto;
  }
  nav.primary-nav.open{ display:block; }
  nav.primary-nav ul{ flex-direction:column; align-items:stretch; padding: 8px 24px 20px; gap:0; flex-wrap:wrap; }
  nav.primary-nav li{ border-bottom:1px solid var(--line-on-ink); }
  nav.primary-nav a{ display:block; padding:14px 0; white-space:normal; font-size:.92rem; }
  .nav-cta{ display:inline-block; margin-top:10px; }
}

@media (max-width: 480px){
  .logo img{ height: 138px; }
}

/* =================== BUTTONS =================== */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-display); font-weight:600; font-size:.95rem;
  padding: 14px 26px; border-radius: var(--radius); border: 1px solid transparent;
  cursor:pointer; transition: transform .12s ease, background .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--copper); color:#fff; }
.btn-primary:hover{ background: var(--copper-dim); }
.btn-ghost{ background:transparent; border-color: currentColor; color: inherit; }
.btn-ghost.on-ink{ color: var(--paper); }
.btn-pipe{ background: var(--pipe); color:#fff; }
.btn-pipe:hover{ background: var(--pipe-dim); }
.btn-block{ width:100%; justify-content:center; }

/* =================== HERO =================== */
.hero{
  background: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
  padding: 84px 0 64px;
}
.hero .schematic{
  position:absolute; inset:0; opacity:.5; pointer-events:none;
}
.hero-grid{
  display:grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items:center;
  position:relative; z-index:2;
}
.eyebrow{
  font-family: var(--font-mono); font-size:.78rem; letter-spacing:.14em; text-transform:uppercase;
  color: var(--amber); display:flex; align-items:center; gap:10px; margin-bottom:18px;
}
.eyebrow::before{ content:""; width:28px; height:1px; background: var(--amber); display:inline-block; }
.hero h1{ font-size: clamp(2.2rem, 4vw, 3.4rem); color:#fff; max-width: 14ch; }
.hero .lede{ font-size:1.15rem; color: var(--muted-on-ink); max-width: 46ch; margin-bottom: 28px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom: 36px; }
.trust-strip{
  display:flex; gap: 28px; flex-wrap:wrap; border-top: 1px solid var(--line-on-ink); padding-top: 22px;
}
.trust-item{ font-family: var(--font-mono); font-size:.78rem; color: var(--muted-on-ink); }
.trust-item strong{ display:block; font-family:var(--font-display); font-size:1.4rem; color:#fff; font-weight:700; }

.hero-panel{
  background: var(--ink-soft); border:1px solid var(--line-on-ink); border-radius: var(--radius);
  padding: 28px; position:relative; z-index:2;
}
.hero-panel h3{ color:#fff; font-size:1.1rem; margin-bottom:16px; }
.callout-fact{
  display:flex; justify-content:space-between; padding: 12px 0; border-bottom:1px solid var(--line-on-ink);
  font-family: var(--font-mono); font-size:.85rem; color: var(--muted-on-ink);
}
.callout-fact:last-of-type{ border-bottom:none; }
.callout-fact b{ color: var(--paper); font-weight:600; }

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* small page hero for interior pages */
.page-hero{
  background: var(--ink); color:var(--paper); padding: 28px 0 26px; position:relative; overflow:hidden;
}
.page-hero .container{ position:relative; z-index:2; }
/* Pull the first content section up under the compact interior hero so the
   writing is visible without scrolling (no image content sits here yet) */
.page-hero + section{ padding-top: 40px; }
.page-hero h1{ color:#fff; font-size: clamp(1.9rem, 3.4vw, 2.6rem); max-width: 22ch; }
.breadcrumb{
  font-family: var(--font-mono); font-size:.75rem; color: var(--muted-on-ink); margin-bottom: 16px;
}
.breadcrumb a{ color: var(--amber); }

/* =================== SECTIONS =================== */
section{ padding: 72px 0; }
.section-tight{ padding: 48px 0; }
.section-dark{ background: var(--ink); color: var(--paper); }
.section-dark .muted{ color: var(--muted-on-ink); }
.section-dim{ background: var(--paper-dim); }
.section-head{ max-width: 640px; margin-bottom: 44px; }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); }
.section-head .eyebrow{ color: var(--copper); }
.section-dark .section-head .eyebrow{ color: var(--amber); }
.section-dark .eyebrow::before{ background: var(--amber); }
.muted{ color: var(--muted); }

/* =================== SERVICE GRID / CARDS =================== */
.grid{ display:grid; gap: 24px; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px){ .grid-3, .grid-4{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .grid-3, .grid-4, .grid-2{ grid-template-columns: 1fr; } }

.card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: border-color .15s ease, transform .15s ease;
}
.card:hover{ border-color: var(--copper); transform: translateY(-2px); }
.card .icon{ width:40px; height:40px; margin-bottom: 18px; color: var(--copper); }
.card h3{ font-size: 1.15rem; margin-bottom:10px; }
.card p{ color: var(--muted); font-size:.95rem; margin-bottom: 14px; }
.card .learn{ font-family: var(--font-mono); font-size:.8rem; color: var(--copper); font-weight:600; }
.card.pipe .icon{ color: var(--pipe); }
.card.pipe .learn{ color: var(--pipe); }
.card.pipe:hover{ border-color: var(--pipe); }

/* dark variant service card, used on hub pages */
.card-dark{
  background: var(--ink-soft); border:1px solid var(--line-on-ink); border-radius: var(--radius); padding:28px;
}
.card-dark h3{ color:#fff; }
.card-dark p{ color: var(--muted-on-ink); }

/* =================== NUMBERED PROCESS =================== */
.process{ counter-reset: step; display:grid; grid-template-columns: repeat(4,1fr); gap:20px; }
@media (max-width:900px){ .process{ grid-template-columns: repeat(2,1fr); } }
@media (max-width:560px){ .process{ grid-template-columns: 1fr; } }
.step{ position:relative; padding-top: 46px; border-top: 2px solid var(--line); }
.step::before{
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono); font-size:.85rem; color: var(--copper);
  position:absolute; top:-14px; left:0; background: var(--paper); padding-right:8px;
}
.section-dark .step{ border-top-color: var(--line-on-ink); }
.section-dark .step::before{ background: var(--ink); }
.step h4{ font-size:1.05rem; }
.step p{ color: var(--muted); font-size:.92rem; }
.section-dark .step p{ color: var(--muted-on-ink); }

/* =================== TESTIMONIALS =================== */
.testimonial{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding:26px;
  display:flex; flex-direction:column; height:100%;
}
.testimonial .stars{ color: var(--amber); letter-spacing:2px; margin-bottom:12px; font-size:1rem; }
.testimonial p{ font-size:.96rem; color: var(--ink-text); flex:1; }
.testimonial cite{ font-style:normal; font-family: var(--font-mono); font-size:.78rem; color: var(--muted); }

/* =================== AREAS LIST =================== */
.areas-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 8px 24px; }
@media (max-width:760px){ .areas-grid{ grid-template-columns: repeat(2,1fr); } }
.areas-grid li{
  font-size:.92rem; padding: 9px 0; border-bottom:1px dashed var(--line); color: var(--ink-text);
}
.region-block{ margin-bottom: 40px; }
.region-block h3{
  font-family: var(--font-mono); font-size:.85rem; letter-spacing:.1em; text-transform:uppercase;
  color: var(--copper); border-bottom:1px solid var(--line); padding-bottom:10px; margin-bottom:16px;
}

/* =================== STATS STRIP =================== */
.stat-strip{ display:flex; flex-wrap:wrap; gap:0; border:1px solid var(--line-on-ink); border-radius:var(--radius); overflow:hidden; }
.stat{ flex:1 1 200px; padding: 26px 24px; border-right:1px solid var(--line-on-ink); }
.stat:last-child{ border-right:none; }
.stat strong{ font-family:var(--font-display); font-size:2rem; display:block; color:#fff; }
.stat span{ font-family:var(--font-mono); font-size:.78rem; color: var(--muted-on-ink); }

/* =================== CTA BAND =================== */
.cta-band{
  background: linear-gradient(120deg, var(--copper) 0%, var(--copper-dim) 100%);
  color:#fff; padding: 52px 0; text-align:center;
}
.cta-band h2{ color:#fff; font-size: clamp(1.6rem,3vw,2.1rem); }
.cta-band p{ color: rgba(255,255,255,.9); max-width:52ch; margin: 0 auto 26px; }
.cta-band .btn-ghost{ border-color:#fff; color:#fff; }

/* =================== FORM =================== */
.form-panel{ background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.field{ margin-bottom: 18px; }
.field label{ display:block; font-family: var(--font-mono); font-size:.78rem; letter-spacing:.04em; margin-bottom:6px; color: var(--muted); }
.field input, .field select, .field textarea{
  width:100%; padding: 12px 14px; border:1px solid var(--line); border-radius: var(--radius);
  font-family: var(--font-body); font-size:.95rem; background: var(--paper);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline: 2px solid var(--copper); border-color: var(--copper); }
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap:18px; }
@media (max-width:560px){ .field-row{ grid-template-columns:1fr; } }

/* =================== ACCORDION (FAQ) =================== */
.faq-item{ border-bottom: 1px solid var(--line); }
.faq-item summary{
  cursor:pointer; padding: 18px 0; font-family: var(--font-display); font-weight:600; font-size:1.02rem;
  list-style:none; display:flex; justify-content:space-between; align-items:center;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; font-size:1.4rem; color: var(--copper); }
.faq-item[open] summary::after{ content:"–"; }
.faq-item p{ padding-bottom: 18px; color: var(--muted); max-width: 68ch; }

/* =================== IMAGE PLACEHOLDER =================== */
.img-slot{
  background: repeating-linear-gradient(135deg, var(--paper-dim), var(--paper-dim) 10px, #E2DBC8 10px, #E2DBC8 20px);
  border: 1px dashed var(--muted);
  display:flex; align-items:center; justify-content:center; text-align:center;
  color: var(--muted); font-family: var(--font-mono); font-size:.75rem; padding: 20px;
  min-height: 220px; border-radius: var(--radius);
}

/* =================== FOOTER =================== */
footer.site-footer{ background: var(--ink); color: var(--muted-on-ink); padding: 56px 0 24px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
.footer-grid h4{
  font-family: var(--font-mono); font-size:.78rem; letter-spacing:.1em; text-transform:uppercase;
  color: var(--paper); margin-bottom:16px;
}
.footer-logo{ height: 300px; width:auto; margin-bottom: 16px; display:block; }
@media (max-width: 480px){ .footer-logo{ height: 192px; } }
.footer-grid li{ margin-bottom:10px; font-size:.9rem; }
.footer-grid a:hover{ color: var(--amber); }
.footer-bottom{
  border-top: 1px solid var(--line-on-ink); padding-top: 22px; display:flex; justify-content:space-between;
  flex-wrap:wrap; gap:12px; font-family: var(--font-mono); font-size:.75rem;
}
.accred-row{ display:flex; gap:14px; align-items:center; margin-top: 10px; }
.accred-badge{
  border:1px solid var(--line-on-ink); border-radius: var(--radius); padding: 8px 12px;
  font-family: var(--font-mono); font-size:.72rem; color: var(--muted-on-ink);
}

/* =================== BLOG =================== */
.post-meta{ font-family: var(--font-mono); font-size:.78rem; color: var(--muted); margin-bottom: 8px; }
.prose{ max-width: 72ch; }
.prose h2{ margin-top: 1.6em; font-size:1.5rem; }
.prose h3{ margin-top:1.3em; font-size:1.2rem; }
.prose ul{ list-style: disc; padding-left: 1.4em; margin-bottom:1em; }
.prose li{ margin-bottom:.4em; }
.prose blockquote{
  border-left: 3px solid var(--copper); margin:1.5em 0; padding: .4em 0 .4em 1.2em; color: var(--muted); font-style: italic;
}

/* Emergency banner */
.emergency-bar{
  background: var(--amber); color: var(--ink); text-align:center; padding: 10px 16px;
  font-family: var(--font-mono); font-size:.82rem; font-weight:600;
}
.emergency-bar a{ text-decoration: underline; }