/* Jahnke Construction & Design
   Direction: Lakeside craft — threshold between built and open
   Palette: blueprint slate, cedar, glass wash, frame black
   Type: Syne + IBM Plex Sans + IBM Plex Mono
   Signature: diagonal panel-cut hero + vertical mullion line
*/

:root {
  --slate: #243038;
  --mist: #E4EBF0;
  --cedar: #9A6844;
  --cedar-dark: #7A5235;
  --glass: #7BA3BC;
  --frame: #141A1F;
  --trim: #F5F7F8;
  --muted: #5A6670;
  --success: #3D7A55;
  --error: #B54A4A;

  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --mullion: 2px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--frame);
  background: var(--trim);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(1280px, 100% - 3rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--cedar);
  color: var(--trim);
  padding: 0.5rem 1rem;
  z-index: 9999;
  font-weight: 500;
}

.skip-link:focus { top: 1rem; }

/* —— Typography —— */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.75rem, 6vw, 5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); font-weight: 600; }

.label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cedar);
}

.label-light { color: var(--glass); }

/* —— Header —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(245, 247, 248, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: var(--mullion) solid var(--mist);
  transition: box-shadow 300ms var(--ease);
}

.site-header.scrolled { box-shadow: 0 1px 0 var(--mist); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  cursor: pointer;
}

.logo-frame {
  width: 40px;
  height: 40px;
  border: var(--mullion) solid var(--frame);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
}

.logo-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.15;
}

.logo-name span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.15rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--muted);
  transition: color 200ms;
  cursor: pointer;
}

.nav-links a:hover,
.nav-links a.active:not(.nav-cta) { color: var(--frame); }

.nav-cta.active {
  background: var(--cedar) !important;
  color: var(--trim) !important;
}

.nav-links a:focus-visible,
.nav-toggle:focus-visible,
.btn:focus-visible,
.filter-btn:focus-visible,
.link-arrow:focus-visible,
.logo:focus-visible {
  outline: 2px solid var(--cedar);
  outline-offset: 2px;
}

.nav-cta {
  background: var(--frame) !important;
  color: var(--trim) !important;
  padding: 0.55rem 1.1rem !important;
  font-family: var(--font-mono) !important;
  font-size: 0.72rem !important;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-cta:hover { background: var(--cedar) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--frame);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: var(--mullion) solid transparent;
  cursor: pointer;
  transition: background 200ms, color 200ms, border-color 200ms;
}

.btn-primary {
  background: var(--cedar);
  color: var(--trim);
  border-color: var(--cedar);
}

.btn-primary:hover {
  background: var(--cedar-dark);
  border-color: var(--cedar-dark);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-outline {
  background: transparent;
  color: var(--frame);
  border-color: var(--frame);
}

.btn-outline:hover {
  background: var(--frame);
  color: var(--trim);
}

.btn-ghost {
  background: transparent;
  color: var(--trim);
  border-color: rgba(245, 247, 248, 0.4);
}

.btn-ghost:hover {
  background: var(--trim);
  color: var(--frame);
  border-color: var(--trim);
}

.btn-lg { padding: 1.05rem 2rem; }
.btn-full { width: 100%; }

.link-arrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cedar);
  cursor: pointer;
  transition: color 200ms;
}

.link-arrow:hover { color: var(--cedar-dark); }

/* —— Hero (home) —— */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  min-height: calc(100vh - var(--header-h));
  margin-top: var(--header-h);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 4rem 3rem 4rem max(1.5rem, calc((100vw - 1280px) / 2 + 1.5rem));
  position: relative;
}

.hero-copy::after {
  content: '';
  position: absolute;
  top: 2rem;
  bottom: 2rem;
  right: 0;
  width: var(--mullion);
  background: var(--mist);
}

.hero-copy .label { margin-bottom: 1.5rem; }

.hero-copy h1 {
  margin-bottom: 1.25rem;
  max-width: 11ch;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 38ch;
  margin-bottom: 2rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-specs {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: var(--mullion) solid var(--mist);
}

.hero-spec dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.hero-spec dd {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  clip-path: polygon(8% 0, 100% 0, 100% 100%, 0 100%);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-visual-caption {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--trim);
  background: rgba(20, 26, 31, 0.65);
  padding: 0.4rem 0.75rem;
}

/* —— Page hero (inner pages) —— */
.page-hero {
  margin-top: var(--header-h);
  padding: 5rem 0 3.5rem;
  background: var(--slate);
  color: var(--trim);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(123, 163, 188, 0.12) 100%);
  pointer-events: none;
}

.page-hero .container { position: relative; }

.page-hero h1 {
  color: var(--trim);
  max-width: 16ch;
  margin-bottom: 1rem;
}

.page-hero-lead {
  font-size: 1.1rem;
  color: rgba(245, 247, 248, 0.72);
  max-width: 52ch;
}

.page-hero-compact { padding: 4rem 0 3rem; }

/* —— Hero compact (NanaWall) —— */
.hero-full {
  position: relative;
  min-height: 75vh;
  margin-top: var(--header-h);
  display: flex;
  align-items: flex-end;
}

.hero-full-bg {
  position: absolute;
  inset: 0;
}

.hero-full-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-full-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 26, 31, 0.92) 0%, rgba(20, 26, 31, 0.35) 55%, rgba(20, 26, 31, 0.15) 100%);
}

.hero-full-content {
  position: relative;
  z-index: 1;
  padding: 4rem 0;
  color: var(--trim);
  max-width: 640px;
}

.hero-full-content h1 { color: var(--trim); margin-bottom: 1rem; }
.hero-full-content .hero-lead { color: rgba(245, 247, 248, 0.78); margin-bottom: 1.75rem; }

.cert-strip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--glass);
  border: var(--mullion) solid rgba(123, 163, 188, 0.5);
  padding: 0.45rem 0.9rem;
  margin-bottom: 1.25rem;
}

.cert-strip svg { width: 16px; height: 16px; }

/* —— Sections —— */
.block { padding: 5rem 0; }
.block-mist { background: var(--mist); }
.block-slate { background: var(--slate); color: var(--trim); }
.block-slate h2, .block-slate h3 { color: var(--trim); }

.block-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: var(--mullion) solid var(--mist);
}

.block-slate .block-head { border-color: rgba(228, 235, 240, 0.15); }

.block-head h2 { max-width: 20ch; }

.block-head p {
  max-width: 36ch;
  color: var(--muted);
  font-size: 0.95rem;
}

.block-slate .block-head p { color: rgba(245, 247, 248, 0.65); }

/* —— Services —— */
.services-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: var(--mullion) solid var(--mist);
}

.service-panel {
  padding: 2rem;
  border-right: var(--mullion) solid var(--mist);
  transition: background 250ms;
  cursor: default;
}

.service-panel:last-child { border-right: none; }
.service-panel:hover { background: var(--mist); }

.service-panel.featured {
  background: var(--frame);
  color: var(--trim);
}

.service-panel.featured:hover { background: var(--slate); }

.service-panel.featured .label { color: var(--glass); }
.service-panel.featured p { color: rgba(245, 247, 248, 0.7); }
.service-panel.featured .link-arrow { color: var(--glass); }

.service-panel h3 { margin: 0.75rem 0; }
.service-panel p {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.service-panel .link-arrow { margin-top: auto; }

/* —— Featured work —— */
.featured-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  align-items: stretch;
}

.featured-text {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-text p {
  color: rgba(245, 247, 248, 0.72);
  margin: 1rem 0 1.75rem;
}

.featured-images {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: var(--mullion);
  background: var(--mist);
}

.featured-images img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

/* —— Gallery —— */
.gallery-masonry {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 220px;
  gap: var(--mullion);
}

.gallery-masonry .gallery-cell {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.gallery-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease);
}

.gallery-cell:hover img { transform: scale(1.04); }

.gallery-cell span {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--trim);
  background: linear-gradient(transparent, rgba(20, 26, 31, 0.85));
  transform: translateY(100%);
  transition: transform 300ms var(--ease);
}

.gallery-cell:hover span { transform: translateY(0); }

.gc-a { grid-column: span 5; grid-row: span 2; }
.gc-b { grid-column: span 4; }
.gc-c { grid-column: span 3; }
.gc-d { grid-column: span 4; }
.gc-e { grid-column: span 3; }
.gc-f { grid-column: span 5; }
.gc-wide { grid-column: span 7; }

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 2rem;
  border: var(--mullion) solid var(--mist);
  width: fit-content;
}

.filter-btn {
  padding: 0.55rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  border-right: var(--mullion) solid var(--mist);
  color: var(--muted);
  cursor: pointer;
  transition: background 200ms, color 200ms;
}

.filter-btn:last-child { border-right: none; }
.filter-btn:hover, .filter-btn.active {
  background: var(--frame);
  color: var(--trim);
}

.gallery-cell.hidden { display: none; }

.gallery-empty {
  text-align: center;
  padding: 3rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: var(--mullion) solid var(--mist);
}

.gallery-empty.hidden { display: none; }

.contact-email {
  font-size: 0.875rem;
  color: rgba(245, 247, 248, 0.65);
}

.contact-info .contact-email {
  color: var(--frame);
}

body.nav-open { overflow: hidden; }

.block-cta { text-align: center; margin-top: 2.5rem; }

/* —— About —— */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: stretch;
}

.split-copy {
  padding: 3rem 3rem 3rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.split-copy h2 { margin-bottom: 1rem; }
.split-copy p { color: var(--muted); margin-bottom: 0.75rem; }

.split-image img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.split-section.reverse .split-copy { padding: 3rem 0 3rem 3rem; order: 2; }
.split-section.reverse .split-image { order: 1; }

.spec-list { margin: 1.25rem 0 1.75rem; }

.spec-list li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.25rem;
  font-size: 0.92rem;
  color: var(--muted);
  border-bottom: 1px solid var(--mist);
}

.spec-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--cedar);
  transform: translateY(-50%) rotate(45deg);
}

/* —— Process (real sequence — labels not decorative numbers) —— */
.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: var(--mullion) solid var(--mist);
}

.process-phase {
  padding: 2rem 1.5rem 0 0;
  border-right: var(--mullion) solid var(--mist);
}

.process-phase:last-child { border-right: none; }

.phase-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cedar);
  margin-bottom: 0.75rem;
}

.process-phase h3 { margin-bottom: 0.5rem; }
.process-phase p { font-size: 0.9rem; color: var(--muted); }

/* —— NanaWall —— */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--mullion);
}

.stat {
  padding: 1.25rem;
  border: var(--mullion) solid var(--mist);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.2rem;
}

.stat span { font-size: 0.85rem; color: var(--muted); }

.services-four {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: var(--mullion) solid rgba(228, 235, 240, 0.2);
}

.services-four .service-panel {
  border-color: rgba(228, 235, 240, 0.2);
  background: transparent;
}

.services-four .service-panel:hover { background: rgba(255, 255, 255, 0.04); }
.services-four .service-panel p { color: rgba(245, 247, 248, 0.65); }
.services-four .service-panel h3 { color: var(--trim); }

.timeline {
  max-width: 560px;
  margin: 0;
  padding: 0;
}

.timeline li {
  position: relative;
  padding: 0 0 2rem 2rem;
  border-left: var(--mullion) solid var(--mist);
  list-style: none;
}

.timeline li:last-child { border-left-color: transparent; padding-bottom: 0; }

.timeline li::before {
  content: '';
  position: absolute;
  left: calc(var(--mullion) * -0.5 - 4px);
  top: 0.35rem;
  width: 8px;
  height: 8px;
  background: var(--cedar);
  border-radius: 50%;
}

.timeline h3 { margin-bottom: 0.35rem; }
.timeline p { font-size: 0.92rem; color: var(--muted); }

.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: start;
}

/* —— Contact —— */
.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h2 { margin-bottom: 0.75rem; }
.contact-info > p { color: var(--muted); margin-bottom: 2rem; }

.contact-lines { margin-bottom: 2rem; }

.contact-line {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: var(--mullion) solid var(--mist);
}

.contact-line svg {
  width: 20px;
  height: 20px;
  color: var(--cedar);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-line dt {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.contact-line a {
  transition: color 200ms;
  cursor: pointer;
}

.contact-line a:hover { color: var(--cedar); }

.contact-form {
  background: var(--trim);
  border: var(--mullion) solid var(--mist);
  padding: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: var(--mullion) solid var(--mist);
  background: var(--trim);
  color: var(--frame);
  transition: border-color 200ms;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cedar);
}

.form-group input.error,
.form-group textarea.error { border-color: var(--error); }

.form-note {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  text-align: center;
}

.form-note.success { color: var(--success); }
.form-note.error { color: var(--error); }

/* —— CTA strip —— */
.cta-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 3rem;
  background: var(--frame);
  color: var(--trim);
}

.cta-strip h2 { color: var(--trim); margin-bottom: 0.35rem; }
.cta-strip p { color: rgba(245, 247, 248, 0.65); font-size: 0.95rem; }

/* —— Footer —— */
.site-footer {
  background: var(--frame);
  color: rgba(245, 247, 248, 0.65);
  padding-top: 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 3rem;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.875rem;
  max-width: 260px;
}

.footer-grid h4 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--trim);
  margin-bottom: 1rem;
}

.footer-links li { margin-bottom: 0.4rem; }

.footer-links a {
  font-size: 0.875rem;
  transition: color 200ms;
  cursor: pointer;
}

.footer-links a:hover { color: var(--trim); }

.footer-links .contact-email {
  font-size: 0.875rem;
  color: rgba(245, 247, 248, 0.65);
}

.footer-bottom {
  border-top: var(--mullion) solid rgba(228, 235, 240, 0.1);
  padding: 1rem 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: rgba(245, 247, 248, 0.4);
}

.logo-footer .logo-name { color: var(--trim); }
.logo-footer .logo-name span { color: rgba(245, 247, 248, 0.45); }
.logo-footer .logo-frame { border-color: rgba(245, 247, 248, 0.3); color: var(--trim); }

/* —— Reveal animation —— */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* —— Before / After slider —— */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.ba-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 560px;
  overflow: hidden;
  border: var(--mullion) solid var(--mist);
  cursor: ew-resize;
  user-select: none;
  touch-action: none;
}

.ba-after {
  position: absolute;
  inset: 0;
}

.ba-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ba-before {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  clip-path: inset(0 50% 0 0);
  will-change: clip-path;
}

.ba-before img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ba-tag {
  position: absolute;
  top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  pointer-events: none;
  z-index: 3;
}

.ba-tag-before {
  left: 1rem;
  background: var(--trim);
  color: var(--frame);
  border: var(--mullion) solid var(--mist);
}

.ba-tag-after {
  right: 1rem;
  background: rgba(20, 26, 31, 0.7);
  color: var(--trim);
}

.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  z-index: 4;
  transform: translateX(-50%);
  pointer-events: none;
}

.ba-handle-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: var(--mullion);
  background: var(--trim);
  transform: translateX(-50%);
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.25);
}

.ba-handle-grip {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: var(--trim);
  border: var(--mullion) solid var(--frame);
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.ba-handle-grip::before,
.ba-handle-grip::after {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

.ba-handle-grip::before {
  right: 55%;
  border-right: 6px solid var(--frame);
}

.ba-handle-grip::after {
  left: 55%;
  border-left: 6px solid var(--frame);
}

.ba-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  z-index: 5;
}

/* —— Responsive —— */
@media (max-width: 1024px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-visual { clip-path: none; min-height: 50vh; }
  .hero-copy { padding: 3rem 1.5rem; }
  .hero-copy::after { display: none; }
  .services-row,
  .services-four,
  .process-flow { grid-template-columns: 1fr 1fr; }
  .service-panel { border-bottom: var(--mullion) solid var(--mist); }
  .featured-layout,
  .split-section,
  .contact-layout,
  .two-col { grid-template-columns: 1fr; }
  .split-copy, .split-section.reverse .split-copy { padding: 2rem 0; }
  .split-section.reverse .split-image { order: 0; }
  .split-section.reverse .split-copy { order: 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--trim);
    border-bottom: var(--mullion) solid var(--mist);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 300ms var(--ease), opacity 300ms;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 1rem 1.5rem; border-bottom: 1px solid var(--mist); }

  .services-row,
  .services-four,
  .process-flow { grid-template-columns: 1fr; }

  .gallery-masonry {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .gallery-masonry .gallery-cell { grid-column: span 1 !important; grid-row: span 1 !important; min-height: 240px; }

  .hero-specs { flex-direction: column; gap: 1rem; }
  .cta-strip { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .block-head { flex-direction: column; align-items: flex-start; }
}