/* =========================================================================
   QamarNext Technologies — Inner-page component library
   Extends assets/css/style.css (tokens, nav, footer, buttons, reveal).
   Normal-flow long-form layout for services / case-study pages —
   deliberately NOT the full-viewport scroll-snap pattern used on the home.
   ========================================================================= */

/* ---------- Page scaffold ---------- */
body.inner{ overflow-x: hidden; }
.inner main{ display: block; }

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  position: relative; z-index: 2;
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5em;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.04em;
  color: var(--paper-muted);
  padding: calc(var(--nav-h) + var(--space-md)) var(--gutter) 0;
}
.on-white .breadcrumb{ color: var(--ink-muted); }
.breadcrumb a{ opacity: 0.85; }
.breadcrumb a:hover{ opacity: 1; color: var(--teal); }
.breadcrumb .sep{ opacity: 0.5; }
.breadcrumb .current{ color: var(--teal); }

/* ---------- Inner hero (coal, motif canvas backdrop) ---------- */
.inner-hero{
  position: relative;
  color: var(--paper);
  background: var(--coal);
  padding: var(--space-md) var(--gutter) var(--space-xl);
  overflow: hidden;
}
.inner-hero-canvas{
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.4; pointer-events: none;
}
.inner-hero::after{
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,20,32,0.2) 0%, rgba(11,20,32,0.55) 70%, var(--coal) 100%);
  pointer-events: none;
}
.inner-hero-inner{ position: relative; z-index: 2; max-width: 52rem; }
.inner-hero .eyebrow{ margin-bottom: var(--space-md); }
.inner-hero h1{
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 600;
  line-height: 1.03;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-md);
  max-width: 20ch;
}
.inner-hero .lede{
  font-size: var(--fs-body-lg);
  color: var(--paper-muted);
  max-width: 52ch;
  margin-bottom: var(--space-lg);
}
.inner-hero-actions{ display: flex; gap: var(--space-md); flex-wrap: wrap; }
.inner-hero-meta{
  position: relative; z-index: 2;
  display: flex; gap: var(--space-lg); flex-wrap: wrap;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--line-on-coal);
}
.inner-hero-meta .meta-item{ display: flex; flex-direction: column; gap: 0.3em; }
.inner-hero-meta .meta-item span{ font-family: var(--font-mono); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.1em; color: var(--paper-muted); }
.inner-hero-meta .meta-item b{ font-family: var(--font-display); font-weight: 600; font-size: 1rem; color: var(--paper); }
.badge-note{
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--font-mono); font-size: var(--fs-micro);
  color: var(--paper-muted);
  border: 1px solid var(--line-on-coal); border-radius: 999px;
  padding: 0.45em 0.9em; background: rgba(16,28,41,0.55);
}
.badge-note::before{ content:''; width:6px; height:6px; border-radius:50%; background: var(--teal); flex: none; }

/* ---------- Generic content section ---------- */
.section{
  position: relative;
  padding: var(--space-section) var(--gutter);
}
.section.tight{ padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.section.on-white{ background: var(--white); color: var(--ink); }
.section.on-dim{ background: var(--white-dim); color: var(--ink); }
.section.on-coal{ background: var(--coal); color: var(--paper); }
.section-head{ margin-bottom: var(--space-xl); max-width: 46rem; }
.section-head .section-lede{ margin-top: var(--space-md); max-width: 56ch; }
.section.on-coal .section-lede{ color: var(--paper-muted); }
.section-foot-link{
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--font-mono); font-size: var(--fs-small);
  margin-top: var(--space-lg);
}

/* ---------- Prose (long-form body copy) ---------- */
.prose{ max-width: 62ch; }
.prose p{ font-size: var(--fs-body-lg); line-height: 1.65; color: var(--ink-muted); margin-bottom: 1.1em; }
.prose p:last-child{ margin-bottom: 0; }
.section.on-coal .prose p{ color: var(--paper-muted); }
.prose strong{ color: var(--ink); font-weight: 600; }
.section.on-coal .prose strong{ color: var(--paper); }

/* ---------- Tile grid (categories / services / related) ---------- */
.tile-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-on-white);
  border: 1px solid var(--line-on-white);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.section.on-coal .tile-grid{ background: var(--line-on-coal); border-color: var(--line-on-coal); }
.tile-card{
  position: relative;
  display: flex; flex-direction: column; gap: 0.65em;
  padding: var(--space-lg) var(--space-md);
  background: var(--white);
  transition: background var(--dur-fast), transform var(--dur-med) var(--ease-out);
}
.section.on-coal .tile-card{ background: var(--coal-raised); }
.section.on-dim .tile-card{ background: var(--white); }
.tile-card:hover{ background: var(--paper); transform: translateY(-3px); }
.section.on-coal .tile-card:hover{ background: #142234; }
.tile-index{ font-family: var(--font-mono); font-size: var(--fs-small); color: var(--teal); }
.tile-card h3{ font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; }
.tile-card p{ font-size: var(--fs-small); color: var(--ink-muted); flex: 1; }
.section.on-coal .tile-card p{ color: var(--paper-muted); }
.tile-tags{ display: flex; flex-wrap: wrap; gap: 0.4em; margin-top: 0.2em; }
.tile-link{
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--font-mono); font-size: var(--fs-micro);
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--teal); margin-top: auto;
}
.tile-card:hover .tile-link .btn-arrow{ transform: translateX(3px); }
.tile-new{
  position: absolute; top: var(--space-md); right: var(--space-md);
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.08em;
  color: var(--coal); background: var(--teal);
  padding: 0.25em 0.6em; border-radius: 999px;
}

@media (max-width: 980px){ .tile-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px){ .tile-grid{ grid-template-columns: 1fr; } }

/* ---------- Offering checklist ---------- */
.check-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem var(--space-lg); }
.check-item{
  display: flex; align-items: flex-start; gap: 0.75em;
  padding: 0.85em 0; border-bottom: 1px solid var(--line-on-white);
  font-size: var(--fs-body);
}
.section.on-coal .check-item{ border-color: var(--line-on-coal); }
.check-item::before{
  content: ''; flex: none; margin-top: 0.5em;
  width: 7px; height: 7px; border-radius: 2px;
  background: var(--teal); transform: rotate(45deg);
}
@media (max-width: 720px){ .check-grid{ grid-template-columns: 1fr; } }

/* ---------- Numbered offering panel (used on category pages that keep
   offerings inline instead of exploding into sub-pages) ---------- */
.offer-panel-list{ display: flex; flex-direction: column; }
.offer-panel{
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--line-on-white);
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.3fr);
  gap: var(--space-lg);
}
.section.on-coal .offer-panel{ border-color: var(--line-on-coal); }
.offer-panel:last-child{ border-bottom: 1px solid var(--line-on-white); }
.section.on-coal .offer-panel:last-child{ border-color: var(--line-on-coal); }
.offer-panel-head{ display: flex; gap: 0.9rem; align-items: baseline; }
.offer-panel-head .tile-index{ font-size: var(--fs-h3); }
.offer-panel-head h3{ font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 600; letter-spacing: -0.01em; }
.offer-panel p{ color: var(--ink-muted); font-size: var(--fs-body); margin-bottom: 0.8em; }
.section.on-coal .offer-panel p{ color: var(--paper-muted); }
.offer-panel .tag-row{ display: flex; flex-wrap: wrap; gap: 0.45em; }
.offer-panel .tag{ color: var(--ink); border-color: var(--line-on-white); background: var(--white-dim); }
.section.on-coal .offer-panel .tag{ color: var(--paper); border-color: var(--line-on-coal); background: rgba(11,20,32,0.4); }

@media (max-width: 820px){ .offer-panel{ grid-template-columns: 1fr; gap: 0.6rem; } }

/* ---------- Stat strip (reuses .metric look from home) ---------- */
.stat-strip{
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg);
  border-top: 1px solid var(--line-on-coal); border-bottom: 1px solid var(--line-on-coal);
  padding: var(--space-lg) 0;
}
.section.on-white .stat-strip,
.section.on-dim .stat-strip{ border-color: var(--line-on-white); }
@media (max-width: 720px){ .stat-strip{ grid-template-columns: 1fr; gap: var(--space-md); } }

/* ---------- CTA band (condensed final-cta for inner pages) ---------- */
.cta-band{
  position: relative;
  background: var(--coal); color: var(--paper);
  padding: var(--space-xl) var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-lg); flex-wrap: wrap;
  overflow: hidden;
}
.cta-band-canvas{ position:absolute; inset:0; width:100%; height:100%; opacity:0.28; pointer-events:none; }
.cta-band-copy{ position: relative; z-index: 2; max-width: 34rem; }
.cta-band h2{ font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 600; line-height: 1.08; letter-spacing: -0.01em; }
.cta-band p{ color: var(--paper-muted); margin-top: 0.6em; }
.cta-band-actions{ position: relative; z-index: 2; display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* ---------- Case study hero stats row ---------- */
.cs-stats{ display: flex; gap: var(--space-lg); flex-wrap: wrap; margin-top: var(--space-lg); }
.cs-stat{ display: flex; flex-direction: column; gap: 0.2em; }
.cs-stat span{ font-family: var(--font-mono); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.08em; color: var(--paper-muted); }
.cs-stat b{ font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--teal-light); }

/* ---------- Case study body blocks ---------- */
.cs-block{ margin-bottom: var(--space-xl); }
.cs-block:last-child{ margin-bottom: 0; }
.cs-block-label{
  font-family: var(--font-mono); font-size: var(--fs-small); color: var(--teal);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.6em;
  display: block;
}
.cs-quote{
  font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 500;
  line-height: 1.4; max-width: 38ch; padding-left: var(--space-md);
  border-left: 2px solid var(--teal); margin: var(--space-lg) 0;
}
.cs-benefits{ display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.cs-benefits.cols-4{ grid-template-columns: repeat(4, 1fr); }
.cs-benefit{
  border: 1px solid var(--line-on-white); border-radius: var(--radius-md);
  padding: var(--space-md); display: flex; flex-direction: column; gap: 0.5em;
}
.section.on-coal .cs-benefit{ border-color: var(--line-on-coal); }
.cs-benefit .idx{ font-family: var(--font-mono); color: var(--teal); font-size: var(--fs-small); }
.cs-benefit p{ font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; letter-spacing: -0.005em; }
.cs-benefit-copy{ font-size: var(--fs-small); color: var(--ink-muted); line-height: 1.55; }
.section.on-coal .cs-benefit-copy{ color: var(--paper-muted); }
@media (max-width: 1100px){ .cs-benefits.cols-4{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 820px){ .cs-benefits, .cs-benefits.cols-4{ grid-template-columns: 1fr; } }

/* ---------- Sidebar layout (service detail pages) ---------- */
.split-layout{
  display: grid; grid-template-columns: minmax(0,1.55fr) minmax(0,0.85fr);
  gap: var(--space-xl);
  align-items: start;
}
.side-rail{
  position: sticky; top: calc(var(--nav-h) + var(--space-lg));
  display: flex; flex-direction: column; gap: var(--space-lg);
}
.side-card{
  border: 1px solid var(--line-on-white); border-radius: var(--radius-md);
  padding: var(--space-md);
}
.section.on-coal .side-card{ border-color: var(--line-on-coal); }
.side-card h4{ font-family: var(--font-mono); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.1em; color: var(--paper-muted); margin-bottom: 0.8em; }
.side-card ul{ display: flex; flex-direction: column; gap: 0.55em; }
.side-card a{ font-size: var(--fs-small); display: flex; justify-content: space-between; gap: 0.5em; }
.side-card a:hover{ color: var(--teal); }
@media (max-width: 980px){ .split-layout{ grid-template-columns: 1fr; } .side-rail{ position: static; } }

/* ---------- Pagination (prev/next service) ---------- */
.pager{
  display: flex; justify-content: space-between; gap: var(--space-md); flex-wrap: wrap;
  border-top: 1px solid var(--line-on-white);
  padding-top: var(--space-lg);
}
.section.on-coal .pager{ border-color: var(--line-on-coal); }
.pager a{ display: flex; flex-direction: column; gap: 0.3em; max-width: 22rem; }
.pager a.next{ text-align: right; margin-left: auto; }
.pager .pager-label{ font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--paper-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.section.on-white .pager .pager-label, .section.on-dim .pager .pager-label{ color: var(--ink-muted); }
.pager .pager-title{ font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.pager a:hover .pager-title{ color: var(--teal); }

/* ---------- Small helpers ---------- */
.eyebrow-row{ display: flex; align-items: center; gap: var(--space-md); flex-wrap: wrap; margin-bottom: var(--space-md); }
.divider{ height: 1px; background: var(--line-on-white); border: 0; margin: var(--space-xl) 0; }

/* ---------- FAQ ---------- */
.faq-list{ display: flex; flex-direction: column; max-width: 46rem; }
.faq-item{ border-bottom: 1px solid var(--line-on-white); padding: var(--space-md) 0; }
.section.on-coal .faq-item{ border-color: var(--line-on-coal); }
.faq-item summary{
  cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-md);
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary::after{
  content: '+'; flex: none; font-family: var(--font-mono); font-size: 1.2rem; line-height: 1;
  color: var(--teal); transition: transform var(--dur-med) var(--ease-out);
}
.faq-item[open] summary::after{ content: '\2212'; }
.faq-item summary:hover{ color: var(--teal); }
.faq-item p{ margin-top: 0.8em; color: var(--ink-muted); max-width: 40rem; }
.faq-item a{ color: var(--teal); text-decoration: underline; text-underline-offset: 0.18em; }
.section.on-coal .faq-item p{ color: var(--paper-muted); }
.section.on-coal .divider{ background: var(--line-on-coal); }

/* ---------- About page ---------- */
.about-story{
  display: grid;
  grid-template-columns: minmax(0,1.15fr) minmax(0,0.85fr);
  gap: var(--space-xl);
  align-items: center;
}
.about-story .section-heading{ margin-bottom: var(--space-md); }
.about-story-visual{
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  background: var(--coal);
}
.about-story-visual img{
  display: block;
  width: 100%;
  height: 100%;
  min-height: 22rem;
  aspect-ratio: 4 / 3;
}
.about-story-visual figcaption{
  position: absolute;
  left: var(--space-md);
  right: var(--space-md);
  bottom: var(--space-md);
  font-size: var(--fs-micro);
  letter-spacing: 0.04em;
  color: var(--paper-muted);
  z-index: 1;
}
.about-story-visual::after{
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(11,20,32,0.72) 100%);
  pointer-events: none;
}
@media (max-width: 900px){
  .about-story{ grid-template-columns: 1fr; }
  .about-story-visual img{ min-height: 16rem; }
}