:root {
  --charcoal-950: #171a20;
  --charcoal-800: #252932;
  --burgundy-600: #9f3c4c;
  --burgundy-750: #7f2634;
  --gray-100: #f3f4f5;
  --rose-50: #f5eaed;
  --white: #ffffff;
  --text: var(--charcoal-950);
  --text-muted: #5e626b;
  --line: #d8dae0;
  --font-sans: "Segoe UI Variable", "Segoe UI", Arial, sans-serif;
  --space-1: .5rem;
  --space-2: .75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 6rem;
  --container: 76rem;
  --container-narrow: 62rem;
  --radius: .25rem;
  --shadow: 0 1rem 3rem rgba(16, 18, 24, .12);
  --transition: 180ms ease;
  --header-height: 6rem;
}

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

html { color-scheme: light; scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .2em; }
button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: .2rem solid var(--burgundy-600);
  outline-offset: .2rem;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: .75rem;
  left: .75rem;
  padding: .75rem 1rem;
  color: var(--white);
  background: var(--burgundy-750);
  transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 2.5rem), var(--container));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 100;
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 2.5rem), var(--container));
  height: 100%;
  margin-inline: auto;
  gap: var(--space-5);
}

.brand {
  display: flex;
  align-items: center;
  width: 8rem;
  height: 5.25rem;
}

.brand img { width: auto; height: 5rem; object-fit: contain; }

.primary-nav { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); }
.primary-nav > a:not(.button) {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  font-size: .86rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
  border-bottom: .15rem solid transparent;
}
.primary-nav > a:not(.button):hover,
.primary-nav > a[aria-current="page"] { border-color: var(--burgundy-600); }

.menu-toggle { display: none; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: .8rem 1.35rem;
  color: var(--white);
  background: var(--burgundy-600);
  border: 1px solid var(--burgundy-600);
  border-radius: var(--radius);
  font-size: .87rem;
  font-weight: 800;
  letter-spacing: .07em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.button:hover { background: var(--burgundy-750); border-color: var(--burgundy-750); transform: translateY(-1px); }
.button-small { min-height: 2.85rem; padding: .65rem 1rem; font-size: .78rem; }
.button-outline-light { color: var(--white); background: transparent; border-color: rgba(255,255,255,.5); }
.button-outline-light:hover { background: var(--white); border-color: var(--white); color: var(--charcoal-950); }

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--charcoal-950);
}

.hero-home { min-height: clamp(36rem, calc(100vh - var(--header-height)), 49rem); display: grid; align-items: center; }

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image:
    linear-gradient(rgba(255,255,255,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.13) 1px, transparent 1px);
  background-size: clamp(3.25rem, 6vw, 6rem) clamp(3.25rem, 6vw, 6rem);
  mask-image: linear-gradient(90deg, transparent 2%, #000 42%, #000 100%);
}

.hero::after {
  content: "";
  position: absolute;
  right: -8rem;
  bottom: -11rem;
  width: 36rem;
  aspect-ratio: 1;
  border: 7rem solid rgba(159, 60, 76, .16);
  transform: rotate(45deg);
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(15rem, 1fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: end;
  padding-block: var(--space-8);
}

.eyebrow, .section-kicker, .micro-label {
  margin: 0 0 var(--space-3);
  color: #d9a5ae;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .17em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3.25rem, 7vw, 6.75rem);
  font-weight: 790;
  letter-spacing: -.055em;
  line-height: .91;
  text-transform: uppercase;
}
.hero h1 span { color: #d9a5ae; }

.hero-lede {
  max-width: 46rem;
  margin: var(--space-5) 0 0;
  color: #d7d9de;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.65;
}

.button-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: var(--space-5); }

.hero-contact { padding: 0 0 .5rem var(--space-4); border-left: 1px solid rgba(255,255,255,.22); }
.hero-contact p { margin: 0; color: #c4c7cd; }
.hero-contact .micro-label { margin-bottom: .5rem; color: #d9a5ae; }
.hero-contact .contact-name { color: var(--white); font-size: 1.25rem; font-weight: 750; }
.hero-contact a { display: inline-flex; min-height: 2.75rem; align-items: center; margin-top: .5rem; font-weight: 700; }
.contact-rule { display: block; width: 2.75rem; height: .2rem; margin-bottom: var(--space-4); background: var(--burgundy-600); }

.intro-section { padding-block: clamp(4rem, 8vw, 8rem); }
.section-light { background: var(--white); }
.intro-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(3rem, 8vw, 8rem); }
.section-kicker { color: var(--burgundy-600); }
h2 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.75rem);
  line-height: .98;
  letter-spacing: -.045em;
  text-transform: uppercase;
}
.intro-copy { max-width: 40rem; }
.intro-copy p { margin: 0 0 var(--space-4); font-size: clamp(1.05rem, 1.5vw, 1.22rem); }

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, .7fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
  margin-bottom: clamp(3rem, 7vw, 6rem);
}
.section-heading-row.compact { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-heading-row > p { max-width: 35rem; margin: 0; color: var(--text-muted); font-size: 1.08rem; }

.work-section { padding-block: clamp(4.5rem, 9vw, 8.5rem); background: var(--gray-100); }
.work-grid { display: grid; grid-template-columns: 1.1fr .9fr; box-shadow: var(--shadow); }
.work-panel { position: relative; min-height: 34rem; padding: clamp(2rem, 5vw, 4rem); overflow: hidden; }
.work-panel-dark { color: var(--white); background: var(--charcoal-800); }
.work-panel-light { background: var(--rose-50); }
.work-panel .panel-number { position: absolute; top: 1rem; right: 1.5rem; margin: 0; color: rgba(255,255,255,.08); font-size: clamp(7rem, 16vw, 13rem); font-weight: 800; letter-spacing: -.08em; line-height: 1; }
.work-panel-light .panel-number { color: rgba(127,38,52,.08); }
.work-panel h3 { position: relative; max-width: 14ch; margin: 0 0 var(--space-4); font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1; letter-spacing: -.04em; text-transform: uppercase; }
.work-panel > p:not(.panel-number):not(.micro-label) { position: relative; max-width: 31rem; margin: 0; font-size: 1.08rem; }
.work-panel-light .micro-label { color: var(--burgundy-750); }

.clean-list { position: relative; list-style: none; padding: 0; margin: var(--space-5) 0; border-top: 1px solid rgba(255,255,255,.22); }
.work-panel-light .clean-list { border-color: rgba(37,41,50,.2); }
.clean-list li { padding: .72rem 0; border-bottom: 1px solid rgba(255,255,255,.22); font-weight: 700; }
.work-panel-light .clean-list li { border-color: rgba(37,41,50,.2); }

.text-link { display: inline-flex; align-items: center; gap: .6rem; min-height: 2.75rem; color: inherit; font-weight: 750; text-decoration-color: var(--burgundy-600); }
.text-link span { color: var(--burgundy-600); transition: transform var(--transition); }
.text-link:hover span { transform: translateX(.2rem); }

.principles-section { padding-block: clamp(4.5rem, 9vw, 9rem); }
.principles-layout { display: grid; grid-template-columns: minmax(17rem, .75fr) minmax(0, 1.25fr); gap: clamp(3rem, 9vw, 9rem); align-items: start; }
.sticky-heading { position: sticky; top: 2rem; }
.principles-list { border-top: 1px solid var(--line); }
.principles-list article { display: grid; grid-template-columns: 3rem 1fr; gap: var(--space-4); padding-block: 2rem; border-bottom: 1px solid var(--line); }
.principles-list article > span { color: var(--burgundy-600); font-size: .8rem; font-weight: 800; letter-spacing: .12em; }
.principles-list h3 { margin: 0 0 .5rem; font-size: clamp(1.35rem, 2.4vw, 2rem); line-height: 1.15; }
.principles-list p { max-width: 39rem; margin: 0; color: var(--text-muted); }

.service-area-section { color: var(--white); background: var(--burgundy-750); }
.service-area-grid { display: grid; grid-template-columns: .45fr 1.55fr; gap: var(--space-6); align-items: center; padding-block: clamp(3rem, 6vw, 5rem); }
.service-area-grid .section-kicker { color: #e5bac1; margin: 0; }
.service-area-grid > p:last-child { max-width: 52rem; margin: 0; font-size: clamp(1.35rem, 3vw, 2.2rem); font-weight: 650; line-height: 1.3; }

.recent-section { padding-block: clamp(4.5rem, 9vw, 8rem); }
.development-empty { display: grid; grid-template-columns: 7rem 1fr auto; align-items: center; gap: var(--space-5); min-height: 12rem; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--line); background: var(--gray-100); }
.development-empty p { margin: 0; }
.development-empty .micro-label { margin-bottom: .25rem; color: var(--burgundy-600); }
.empty-mark { position: relative; display: block; width: 5rem; height: 5rem; border: .6rem solid var(--charcoal-800); transform: rotate(45deg); opacity: .9; }
.empty-mark::after { content: ""; position: absolute; inset: .8rem; border: .32rem solid var(--burgundy-600); }

.closing-cta { position: relative; overflow: hidden; padding-block: clamp(4rem, 8vw, 7rem); color: var(--white); background: var(--charcoal-950); }
.closing-cta::after { content: ""; position: absolute; right: -6rem; bottom: -10rem; width: 28rem; height: 28rem; border: 5rem solid rgba(159,60,76,.18); transform: rotate(45deg); }
.closing-cta-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.closing-cta .section-kicker { color: #d9a5ae; }
.closing-cta h2 { max-width: 11ch; }
.closing-cta-grid > div:last-child > p { max-width: 34rem; margin: 0; color: #d7d9de; font-size: 1.15rem; }

.site-footer { padding-top: clamp(3.5rem, 7vw, 6rem); color: #d7d9de; background: var(--charcoal-800); }
.footer-grid { display: grid; grid-template-columns: 1.35fr .85fr 1.2fr .55fr; gap: clamp(2rem, 5vw, 5rem); padding-bottom: clamp(3rem, 6vw, 5rem); }
.footer-grid p { margin: 0 0 1rem; }
.footer-grid a { color: var(--white); }
.footer-brand img { width: 10rem; height: auto; margin-bottom: var(--space-4); border: .4rem solid var(--white); background: var(--white); }
.footer-brand strong { color: var(--white); letter-spacing: .04em; text-transform: uppercase; }
.footer-heading { color: #d9a5ae; font-size: .75rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.footer-nav { display: grid; align-content: start; }
.footer-nav a { display: inline-flex; align-items: center; min-height: 2.35rem; text-decoration-color: transparent; }
.footer-nav a:hover { text-decoration-color: currentColor; }
.footer-bottom { display: flex; justify-content: space-between; gap: var(--space-4); padding-block: 1.25rem; border-top: 1px solid rgba(255,255,255,.15); font-size: .86rem; }
.footer-bottom p { margin: 0; }

.page-hero, .contact-hero { position: relative; overflow: hidden; color: var(--white); background: var(--charcoal-950); }
.page-hero::after, .contact-hero::after { content: ""; position: absolute; right: -13rem; top: -13rem; width: 32rem; height: 32rem; border: 6rem solid rgba(159,60,76,.18); transform: rotate(45deg); }
.page-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.25fr .65fr; gap: clamp(3rem, 9vw, 9rem); align-items: end; padding-block: clamp(5rem, 10vw, 9rem); }
.page-hero h1, .contact-hero h1 { max-width: 13ch; margin: 0; font-size: clamp(3.2rem, 7.5vw, 7rem); font-weight: 790; letter-spacing: -.055em; line-height: .92; text-transform: uppercase; }
.page-hero-grid > p { max-width: 34rem; margin: 0 0 .4rem; color: #d7d9de; font-size: clamp(1.05rem, 1.7vw, 1.25rem); }
.about-hero-grid { grid-template-columns: minmax(0, 1.4fr) minmax(18rem, .6fr); gap: clamp(3rem, 6vw, 6rem); }
.about-hero-grid > * { min-width: 0; }
.about-hero .about-hero-title { max-width: none; font-size: clamp(3.2rem, 5.55vw, 5rem); }
.about-hero-title span { display: block; }

.services-detail { padding-block: clamp(4.5rem, 9vw, 8.5rem); }
.service-category { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(3rem, 8vw, 8rem); padding-block: clamp(3.5rem, 7vw, 6rem); border-top: 1px solid var(--charcoal-950); }
.category-heading { display: grid; grid-template-columns: 3.5rem 1fr; gap: var(--space-3); align-items: start; }
.category-heading .panel-number { margin: .2rem 0 0; color: var(--burgundy-600); font-size: .8rem; font-weight: 800; letter-spacing: .15em; }
.category-heading .micro-label { margin-bottom: .75rem; color: var(--burgundy-600); }
.category-heading h3 { max-width: 13ch; margin: 0; font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -.04em; line-height: 1; text-transform: uppercase; }
.service-list { border-top: 1px solid var(--line); }
.service-list article { display: grid; grid-template-columns: minmax(9rem, .7fr) minmax(0, 1.3fr); gap: var(--space-5); padding-block: 1.75rem; border-bottom: 1px solid var(--line); }
.service-list h4 { margin: 0; font-size: 1.25rem; }
.service-list p { max-width: 35rem; margin: 0; color: var(--text-muted); }

.about-main, .about-principle, .portfolio-section, .contact-options { padding-block: clamp(4.5rem, 9vw, 8.5rem); }
.about-grid, .quote-layout, .contact-note-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 9vw, 9rem); }
.prose { max-width: 42rem; }
.prose p { margin: 0 0 var(--space-4); font-size: clamp(1.08rem, 1.7vw, 1.28rem); }
.facts-section { padding-block: clamp(3.5rem, 7vw, 6rem); color: var(--white); background: var(--burgundy-750); }
.facts-grid { display: grid; grid-template-columns: 1.2fr .7fr 1.1fr; }
.facts-grid > div { min-height: 12rem; padding: var(--space-5); border-left: 1px solid rgba(255,255,255,.22); }
.facts-grid > div:last-child { border-right: 1px solid rgba(255,255,255,.22); }
.facts-grid .micro-label { color: #e5bac1; }
.facts-grid p { margin: 0 0 .75rem; }
.facts-grid .fact-value { color: var(--white); font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 750; line-height: 1.1; }
.large-statement { max-width: 18ch; margin: 0; font-size: clamp(2.1rem, 5vw, 4.5rem); font-weight: 750; letter-spacing: -.045em; line-height: 1.02; text-transform: uppercase; }
.quote-layout > div:last-child, .contact-note-grid > div:last-child { max-width: 36rem; font-size: 1.1rem; }
.quote-layout .button { margin-top: var(--space-4); }

.portfolio-empty { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 30rem; color: var(--white); background: var(--charcoal-800); }
.drawing-field { position: relative; min-height: 28rem; overflow: hidden; background-color: var(--charcoal-950); background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 3.5rem 3.5rem; }
.drawing-field::before { content: ""; position: absolute; left: 12%; top: 20%; width: 58%; aspect-ratio: 1; border: 3.5rem solid rgba(159,60,76,.45); transform: rotate(45deg); }
.drawing-field::after { content: ""; position: absolute; left: 45%; top: 4%; width: 45%; aspect-ratio: 1; border: 2.5rem solid rgba(255,255,255,.16); transform: rotate(45deg); }
.drawing-field span { position: absolute; z-index: 1; display: block; background: rgba(255,255,255,.45); }
.drawing-field span:nth-child(1) { left: 8%; top: 72%; width: 63%; height: 1px; }
.drawing-field span:nth-child(2) { left: 71%; top: 18%; width: 1px; height: 54%; }
.drawing-field span:nth-child(3) { left: 15%; top: 14%; width: 2.5rem; height: .2rem; background: var(--burgundy-600); }
.portfolio-empty-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(2rem, 5vw, 4rem); }
.portfolio-empty-copy .micro-label { color: #d9a5ae; }
.portfolio-empty-copy h3 { max-width: 13ch; margin: 0 0 var(--space-4); font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1; letter-spacing: -.04em; text-transform: uppercase; }
.portfolio-empty-copy > p:not(.micro-label) { color: #d7d9de; }
.portfolio-empty-copy .button { align-self: flex-start; margin-top: var(--space-4); }
.project-entry { display: grid; grid-template-columns: 1.2fr .8fr; gap: var(--space-5); }
.project-gallery { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--space-3); }

.contact-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.35fr .65fr; gap: clamp(3rem, 9vw, 9rem); align-items: end; padding-block: clamp(5rem, 10vw, 9rem); }
.contact-hero h1 { max-width: 12ch; }
.contact-person { padding: 0 0 .5rem var(--space-5); border-left: 1px solid rgba(255,255,255,.25); }
.contact-person .micro-label { color: #d9a5ae; }
.contact-person p { margin: 0; color: #c4c7cd; }
.contact-person .contact-person-name { color: var(--white); font-size: clamp(1.6rem, 3vw, 2.5rem); font-weight: 750; }
.contact-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.contact-card { position: relative; display: flex; flex-direction: column; min-height: 16rem; padding: clamp(1.5rem, 4vw, 3rem); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; transition: color var(--transition), background var(--transition); }
.contact-card .micro-label { color: var(--burgundy-600); }
.contact-card strong { margin: auto 0 .25rem; font-size: clamp(1.6rem, 3vw, 2.45rem); line-height: 1.12; letter-spacing: -.025em; overflow-wrap: anywhere; }
.contact-card > span:not(.micro-label):not(.card-arrow) { color: var(--text-muted); }
.contact-card .card-arrow { position: absolute; top: 2rem; right: 2rem; color: var(--burgundy-600); font-size: 1.6rem; transition: transform var(--transition); }
.contact-card:hover { color: var(--white); background: var(--charcoal-800); }
.contact-card:hover .micro-label, .contact-card:hover > span, .contact-card:hover .card-arrow { color: #d9a5ae; }
.contact-card:hover .card-arrow { transform: translateX(.25rem); }
.contact-card.primary { color: var(--white); background: var(--burgundy-750); }
.contact-card.primary .micro-label, .contact-card.primary > span { color: #f1d9de; }
.contact-card.primary .card-arrow { color: var(--white); }
.email-value { font-size: clamp(1.15rem, 2.1vw, 1.8rem) !important; }
.contact-note { padding-block: clamp(4.5rem, 9vw, 8rem); background: var(--rose-50); }

@media (max-width: 68rem) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .page-hero-grid, .contact-hero-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .page-hero-grid > p { margin: 0; }
  .about-hero .about-hero-title { font-size: clamp(3.2rem, 9.4vw, 4rem); }
  .service-category { grid-template-columns: 1fr; }
}

@media (max-width: 58rem) {
  :root { --header-height: 4.75rem; }
  .brand { width: 6rem; height: 4.25rem; }
  .brand img { width: auto; height: 4rem; }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    min-width: 5.75rem;
    min-height: 2.75rem;
    padding: .55rem .75rem;
    color: var(--charcoal-950);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font: inherit;
    font-size: .8rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
  }
  .menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 1.15rem; height: 2px; background: currentColor; transition: transform var(--transition); }
  .menu-icon { position: relative; }
  .menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
  .menu-icon::before { top: -.35rem; }
  .menu-icon::after { top: .35rem; }
  .menu-toggle[aria-expanded="true"] .menu-icon { background: transparent; }
  .menu-toggle[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon::after { top: 0; transform: rotate(-45deg); }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: .75rem 1.25rem 1.25rem;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-.5rem);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .primary-nav[data-open="true"] { visibility: visible; opacity: 1; transform: translateY(0); }
  .primary-nav > a:not(.button) { justify-content: space-between; min-height: 3.25rem; border-bottom: 1px solid var(--line); }
  .primary-nav .button { margin-top: .75rem; }
  .hero-layout { grid-template-columns: 1fr; align-items: start; gap: var(--space-6); }
  .hero-contact { max-width: 22rem; }
  .sticky-heading { position: static; }
  .principles-layout { grid-template-columns: 1fr; }
  .development-empty { grid-template-columns: 5rem 1fr; }
  .development-empty > a { grid-column: 2; }
  .empty-mark { width: 4rem; height: 4rem; }
}

@media (max-width: 42rem) {
  .container, .header-inner { width: min(calc(100% - 2rem), var(--container)); }
  .hero-home { min-height: auto; }
  .hero-layout { padding-block: clamp(4rem, 15vw, 6rem); }
  .hero h1 { font-size: clamp(2.75rem, 14vw, 4.6rem); }
  .button-row { display: grid; }
  .button-row .button { width: 100%; }
  .intro-grid, .section-heading-row, .work-grid, .service-area-grid, .closing-cta-grid, .about-grid, .quote-layout, .contact-note-grid, .portfolio-empty, .contact-card-grid { grid-template-columns: 1fr; }
  .work-panel { min-height: 30rem; }
  .service-area-grid { gap: var(--space-3); }
  .development-empty { grid-template-columns: 1fr; }
  .development-empty > a { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { display: grid; }
  .service-list article { grid-template-columns: 1fr; gap: .5rem; }
  .facts-grid { grid-template-columns: 1fr; }
  .facts-grid > div { min-height: auto; border-left: 0; border-top: 1px solid rgba(255,255,255,.22); padding: 1.75rem 0; }
  .facts-grid > div:last-child { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.22); }
  .drawing-field { min-height: 20rem; }
  .portfolio-empty-copy .button { align-self: stretch; }
  .contact-person { padding-left: var(--space-4); }
  .contact-card { min-height: 12rem; }
  .page-hero h1, .contact-hero h1 { font-size: clamp(2.8rem, 13vw, 4.5rem); }
  .about-hero .about-hero-title { font-size: clamp(1.9rem, 9.4vw, 4rem); }
}

@media (max-width: 23rem) {
  .container, .header-inner { width: min(calc(100% - 1.5rem), var(--container)); }
  .brand { width: 5.5rem; }
  .brand img { width: auto; height: 3.7rem; }
  .menu-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .menu-toggle { min-width: 3rem; justify-content: center; }
  .hero h1 { font-size: clamp(2.45rem, 14.5vw, 3.5rem); }
  .eyebrow { font-size: .7rem; letter-spacing: .12em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}