/* ── BREADCRUMB ── */
.breadcrumb {
  background-color:black;
  padding-top: 70px; padding-bottom: 10px;
  padding-left: 56px; padding-right: 56px;
  display: flex; align-items: center; gap: 8px;
}
.bc-item { font-family: var(--mono); font-size: var(--fs-text); letter-spacing: 0.08em; color: var(--rule); text-decoration: none; transition: color 0.2s; }
.bc-item:hover { color: var(--rule); }
.bc-sep { font-family: var(--mono); font-size: var(--fs-text); color:var(--rule); }
.bc-current { font-family: var(--mono); font-size: var(--fs-text); letter-spacing: 0.08em; color:var(--rule); }



/* ── HERO ── */

.hero {
  min-height: 100vh;
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}

.hero-left {
  display: flex; flex-direction: column; justify-content: center;
  padding: 80px 56px 80px 56px;
  position: relative;
}

.hero-eyebrow {
  font-family: var(--mono); font-size: var(--fs-text); letter-spacing: 0.14em;
  color: var(--teal); text-transform: uppercase;
  display: flex; align-items: center; gap: 10px; margin-bottom: 24px;
  opacity: 0; animation: fadeUp 0.5s 0.1s forwards;
}
.hero-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--teal); }
.hero-h1 {
  font-family: var(--display); font-size: clamp(34px, 3.8vw, 52px);
  font-weight: 700; line-height: 1.05; color: var(--ink); margin-bottom: 20px;
  opacity: 0; animation: fadeUp 0.5s 0.2s forwards;
}
.hero-h1 em { font-style: italic; color: var(--teal); }
.hero-sub {
  font-size: 18px; font-weight: 400; color: var(--ink-mid); line-height: 1.7;
  max-width: 480px; margin-bottom: 36px;
  opacity: 0; animation: fadeUp 0.5s 0.3s forwards;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; opacity: 0; animation: fadeUp 0.5s 0.4s forwards; }
 
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal); color: var(--white);
  font-family: var(--sans); font-weight: 600; font-size: var(--fs-text); letter-spacing: 0.05em;
  padding: 14px 26px; text-decoration: none; transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--teal-lt); transform: translateY(-1px); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--ink);
  font-family: var(--sans); font-weight: 600; font-size: var(--fs-text); letter-spacing: 0.05em;
  padding: 14px 26px; border: 1.5px solid var(--ink); text-decoration: none;
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
}
.btn-secondary:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-1px); }
 
/* Hero diagram panel */
.hero-diagram {
  align-self: stretch; background: var(--ink);
  display: flex; align-items: center; justify-content: center;
  padding: 48px 32px; position: relative; overflow: hidden;
  opacity: 0; animation: fadeIn 0.7s 0.3s forwards;
}
.hero-diagram::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 3px, rgba(10,107,82,0.04) 3px, rgba(10,107,82,0.04) 4px);
}
 
/* ── INTRO SECTION ── */
.intro {
  padding: 80px 56px;
  background: var(--paper);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.section-label {
  font-family: var(--mono); font-size: var(--fs-text); letter-spacing: 0.14em;
  color: var(--teal); text-transform: uppercase;
  display: flex; align-items: center; gap: 8px; margin-bottom: 16px;
}
.section-label::before { content: ''; width: 20px; height: 1px; background: var(--teal); }
.section-title {
  font-family: var(--display); font-size: clamp(26px, 2.5vw, 36px);
  font-weight: 700; line-height: 1.15; color: var(--ink); margin-bottom: 20px;
}
.section-title em { font-style: italic; color: var(--teal); }
.intro-body { font-size: var(--fs-text); color: var(--ink-mid); line-height: 1.8; }
.intro-body p + p { margin-top: 16px; }
 
/* When-list */
.when-list { display: flex; flex-direction: column; gap: 0; }
.when-item {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 20px 0; border-bottom: 1px solid var(--rule);
}
.when-item:first-child { border-top: 1px solid var(--rule); }
.when-dot {
  width: 8px; height: 8px; background: var(--teal); flex-shrink: 0;
  margin-top: 6px;
}
.when-text { font-size: var(--fs-text); color: var(--ink-mid); line-height: 1.65; }
.when-text strong { font-weight: 700; color: var(--ink); display: block; margin-bottom: 3px; font-size: var(--fs-text); }
 
/* ── SERVICES GRID (3+2) ── */
.services { padding: 80px 56px; background: var(--white); }
.services-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 48px; padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}
.services-count { font-family: var(--mono); font-size: 64px; font-weight: 500; color: var(--rule); line-height: 1; }
 
.grid-3 {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px; background: var(--rule); margin-bottom: 2px;
}
.grid-2 {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 2px; background: var(--rule);
  max-width: calc(66.666% - 1px); /* match homepage sector grid pattern */
}
 
/* Service card — image-led matching commercial page */
.svc-card {
  background: var(--white); position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  transition: background 0.25s; cursor: default;
}
.svc-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--teal);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.16,1,0.3,1); z-index: 2;
}
.svc-card:hover::after { transform: scaleX(1); }
.svc-card:hover .svc-img img { transform: scale(1.04); filter: grayscale(0%) brightness(1); }
.svc-card:hover .svc-img-overlay { opacity: 1; }
.svc-card:hover .svc-body { background: var(--teal-bg); }
 
.svc-img { position: relative; height: 300px; overflow: hidden; flex-shrink: 0; }
.svc-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: grayscale(20%) brightness(0.88);
  transition: transform 0.5s cubic-bezier(0.16,1,0.3,1), filter 0.4s;
}
.svc-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(10,107,82,0.2) 100%);
  opacity: 0; transition: opacity 0.3s;
}
.svc-img-ref {
  position: absolute; top: 12px; right: 12px; z-index: 1;
  font-family: var(--mono); font-size: var(--fs-text); letter-spacing: 0.08em;
  color: var(--white); background: rgba(0,0,0,0.45);
  padding: 3px 8px; backdrop-filter: blur(4px);
}
.svc-body { padding: 26px 28px 30px; flex: 1; transition: background 0.25s; }
.svc-title { font-family: var(--sans); font-size: var(--fs-text); font-weight: 700; color: var(--ink); margin-bottom: 10px; line-height: 1.2; }
.svc-desc { font-size: var(--fs-text); color: var(--ink-low); line-height: 1.7; margin-bottom: 16px; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.svc-tag { font-family: var(--mono); font-size: var(--fs-text); letter-spacing: 0.05em; color: var(--ink-mid); background: var(--paper); padding: 3px 8px; }
 
/* ── CLOSING SECTION — engineering-led, project by project ── */
.closing {
  padding: 80px 56px;
  background: var(--ink);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.closing-left {}
.closing-label { font-family: var(--mono); font-size: var(--fs-text); letter-spacing: 0.12em; color: var(--teal-lt); text-transform: uppercase; margin-bottom: 16px; }
.closing-title {
  font-family: var(--display); font-size: clamp(28px, 3vw, 42px);
  font-weight: 700; color: var(--white); line-height: 1.1; margin-bottom: 20px;
}
.closing-title em { font-style: italic; color: var(--teal-lt); }
.closing-body { font-size: var(--fs-text); color: rgba(255,255,255,0.5); line-height: 1.8; }
.closing-body p + p { margin-top: 16px; }
.closing-cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--teal); color: var(--white);
  font-family: var(--sans); font-weight: 600; font-size: var(--fs-text); letter-spacing: 0.05em;
  padding: 16px 28px; text-decoration: none; margin-top: 32px;
  transition: background 0.2s;
}
.closing-cta:hover { background: var(--teal-lt); }
 
/* Closing right — project-by-project diagram */
.closing-right { position: relative; }
 
/* Differentiators list */
.diff-list { display: flex; flex-direction: column; gap: 0; }
.diff-item {
  display: grid; grid-template-columns: 48px 1fr;
  gap: 20px; padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.diff-item:first-child { border-top: 1px solid rgba(255,255,255,0.07); }
.diff-num { font-family: var(--mono); font-size: 22px; font-weight: 500; color: rgba(10,107,82,0.4); line-height: 1.1; }
.diff-content {}
.diff-title { font-family: var(--sans); font-size: var(--fs-text); font-weight: 700; color: var(--white); margin-bottom: 4px; }
.diff-desc { font-size: var(--fs-text); color: rgba(255,255,255,0.4); line-height: 1.65; }
 
/* ── CTA BAND ── */
.cta-band {
  padding: 80px 56px; background: var(--paper);
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 40px;
  border-top: 1px solid var(--rule);
}
.cta-band-title { font-family: var(--display); font-size: clamp(26px, 3vw, 40px); font-weight: 700; color: var(--ink); line-height: 1.1; }
.cta-band-title em { font-style: italic; color: var(--teal); }
.cta-band-sub { font-size: var(--fs-text); color: var(--ink-mid); line-height: 1.6; margin-top: 10px; max-width: 420px; }
.cta-group { display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
 

.back-link {
  font-family: var(--mono); font-size: var(--fs-text); letter-spacing: 0.08em;
  color: var(--teal); text-transform: uppercase; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  transition: gap 0.2s;
}
.back-link:hover { gap: 12px; }
.back-sep { font-family: var(--mono); font-size: var(--fs-text); color: var(--rule); }
.back-text { font-family: var(--mono); font-size: var(--fs-text); color: var(--ink-low); }

/* ── ANIMATIONS ── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes flow { 0% { stroke-dashoffset: 24; } 100% { stroke-dashoffset: 0; } }
.flow-line { stroke-dasharray: 6 4; animation: flow 1.4s linear infinite; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s, transform 0.6s; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
 
/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  nav { padding: 0 24px; }
  .breadcrumb { padding: 88px 32px 0; }
  .hero { grid-template-columns: 1fr; padding: 32px 32px 0; gap: 0; }
  .hero-left { padding-bottom: 48px; }
  .hero-diagram { min-height: 300px; }
  .intro { grid-template-columns: 1fr; padding: 60px 32px; gap: 48px; }
  .services { padding: 60px 32px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr 1fr; max-width: 100%; }
  .closing { grid-template-columns: 1fr; padding: 60px 32px; gap: 48px; }
  .cta-band { grid-template-columns: 1fr; padding: 60px 32px; }
  .cta-group { align-items: flex-start; }
  }
@media (max-width: 640px) {
  .breadcrumb { padding: 80px 20px 0; }
  .hero { padding: 24px 20px 0; }
  .intro { padding: 48px 20px; }
  .services { padding: 48px 20px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; max-width: 100%; }
  .closing { padding: 48px 20px; }
  .cta-band { padding: 48px 20px; }
 
}

@media (max-width: 640px) {
    .hero-left { padding: 48px 20px; }
    .hero{padding: 0px;}
}