/* Newform — resolved design tokens.
   Type kit T6 Technical · Palette kit K4 Dark Authority · pack@0.4.1 design-library@1.3
   Two grounds, strictly alternated. One accent hue. No third ground colour anywhere. */

@font-face {
  font-family: 'Plex Sans';
  src: url('/assets/fonts/ibm-plex-sans-400.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Plex Sans';
  src: url('/assets/fonts/ibm-plex-sans-600.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Plex Mono';
  src: url('/assets/fonts/ibm-plex-mono-400.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}

:root {
  /* K4 Dark Authority — the only two grounds on the site */
  --deep:        #17181A;
  --light:       #F4F5F3;

  /* One accent hue. Two tones exist only so each ground clears AA on text. */
  --accent:      #1B75BC;   /* Newform's mark blue, sampled from the logo */
  --accent-dim:  #16639F;   /* 5.7:1 on --light */
  --accent-lift: #5AAEE8;   /* 7.2:1 on --deep */

  /* Per-ground roles. Set by .on-deep / .on-light, never hard-coded in a block. */
  --ground:      var(--deep);
  --ink:         var(--light);
  --ink-muted:   rgba(244, 245, 243, .62);
  --ink-faint:   rgba(244, 245, 243, .58);
  --rule:        rgba(244, 245, 243, .16);
  --rule-soft:   rgba(244, 245, 243, .07);
  --link:        var(--accent-lift);

  --space-1: 4px;   --space-2: 8px;   --space-3: 12px;  --space-4: 16px;
  --space-5: 24px;  --space-6: 32px;  --space-7: 48px;  --space-8: 64px;
  --space-9: 96px;  --space-10: 128px;

  --radius: 2px;                    /* the one radius token */
  --measure: 66ch;
  --gutter: clamp(20px, 5vw, 72px);
  --container: 1560px;
  --section-y: clamp(64px, 11vw, 160px);

  --sans: 'Plex Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  --mono: 'Plex Mono', ui-monospace, 'SFMono-Regular', 'Cascadia Mono', Consolas, monospace;

  /* 1.333 scale, fluid */
  --t-hero:  clamp(2.45rem, 6.5vw, 6.4rem);
  --t-d1:    clamp(2.3rem, 5.2vw, 4.6rem);
  --t-d2:    clamp(1.7rem, 3.2vw, 2.9rem);
  --t-d3:    clamp(1.35rem, 2vw, 1.75rem);
  --t-lead:  clamp(1.12rem, 1.45vw, 1.4rem);
  --t-body:  clamp(1rem, 0.97rem + 0.16vw, 1.1875rem);   /* 16 → 19px */
  --t-small: 0.9375rem;
  --t-label: 0.75rem;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-draw: cubic-bezier(.65, 0, .35, 1);
  --dur-hover: 180ms;
  --dur-reveal: 720ms;
}

.on-deep {
  --ground: var(--deep);
  --ink: var(--light);
  --ink-muted: rgba(244, 245, 243, .62);
  --ink-faint: rgba(244, 245, 243, .58);
  --rule: rgba(244, 245, 243, .16);
  --rule-soft: rgba(244, 245, 243, .07);
  --link: var(--accent-lift);
}

.on-light {
  --ground: var(--light);
  --ink: var(--deep);
  --ink-muted: rgba(23, 24, 26, .74);
  --ink-faint: rgba(23, 24, 26, .64);
  --rule: rgba(23, 24, 26, .16);
  --rule-soft: rgba(23, 24, 26, .08);
  --link: var(--accent-dim);
}
/* Newform — site stylesheet.
   Composition: L1 offset column · L2 asymmetric pair (ratio changes per section)
   L3 hanging margin · L4 full-bleed threshold · L6 vertical air.
   Motion: base reveal R3 rule-draw, five role treatments, three scrubbed elements.
   Everything below collapses to a designed static state under prefers-reduced-motion. */

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  background: var(--deep);
  color: var(--light);
  font-family: var(--sans);
  font-size: var(--t-body);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img, svg, video, picture { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.021em;
  line-height: 1.06;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: var(--link); text-decoration: none; }
/* Underlines belong to running prose, not to whole-card links. */
.prose a, .form-note a, .footer-col p a, legend a {
  text-decoration: underline;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--accent-lift);
  outline-offset: 3px;
  border-radius: var(--radius);
}
.on-light :focus-visible { outline-color: var(--accent-dim); }

::selection { background: var(--accent); color: #fff; }

.skip {
  position: absolute; left: var(--space-4); top: -100px; z-index: 200;
  background: var(--light); color: var(--deep);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius);
  font-family: var(--mono); font-size: var(--t-label);
  text-transform: uppercase; letter-spacing: .1em;
  transition: top 200ms var(--ease);
}
.skip:focus { top: var(--space-4); }

.vh {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ─── Ground bands ─────────────────────────────────────────────────────── */

.band { background: var(--ground); color: var(--ink); position: relative; }
.band--pad { padding-block: var(--section-y); }
.band--air { padding-block: clamp(96px, 17vw, 300px) var(--section-y); }  /* L6 */

.wrap {
  width: 100%; max-width: var(--container);
  margin-inline: auto; padding-inline: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-6) var(--space-5);
}
@media (max-width: 899px) {
  .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .grid > * { grid-column: 1 / -1 !important; }
}

/* The structural grid — a drawn substrate, not decoration.
   Twelve hairlines that draw down on first paint and then stay at low weight. */
.substrate {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  max-width: var(--container); margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid; grid-template-columns: repeat(12, 1fr);
  mix-blend-mode: normal;
}
.substrate span {
  border-left: 1px solid currentColor;
  color: rgba(140, 143, 148, .16);
  transform: scaleY(0); transform-origin: top;
  animation: substrate-draw 1100ms var(--ease-draw) forwards;
}
.substrate span:last-child { border-right: 1px solid currentColor; }
.substrate span:nth-child(2) { animation-delay: 60ms; }
.substrate span:nth-child(3) { animation-delay: 120ms; }
.substrate span:nth-child(4) { animation-delay: 180ms; }
.substrate span:nth-child(5) { animation-delay: 240ms; }
.substrate span:nth-child(6) { animation-delay: 300ms; }
.substrate span:nth-child(7) { animation-delay: 360ms; }
.substrate span:nth-child(8) { animation-delay: 420ms; }
.substrate span:nth-child(9) { animation-delay: 480ms; }
.substrate span:nth-child(10) { animation-delay: 540ms; }
.substrate span:nth-child(11) { animation-delay: 600ms; }
.substrate span:nth-child(12) { animation-delay: 660ms; }
@keyframes substrate-draw { to { transform: scaleY(1); } }
@media (max-width: 899px) { .substrate span:nth-child(n+5) { display: none; } }

main, .site-header, .site-footer { position: relative; z-index: 1; }

/* ─── Type roles ───────────────────────────────────────────────────────── */

.label {
  font-family: var(--mono);
  font-size: var(--t-label);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 400;
  line-height: 1.4;
}
.label--accent { color: var(--accent-lift); }
.on-light .label--accent { color: var(--accent-dim); }

.hero-type { font-size: var(--t-hero); letter-spacing: -0.032em; line-height: 0.98; }
.d1 { font-size: var(--t-d1); letter-spacing: -0.028em; }
.d2 { font-size: var(--t-d2); letter-spacing: -0.024em; }
.d3 { font-size: var(--t-d3); letter-spacing: -0.018em; }
.lead { font-size: var(--t-lead); line-height: 1.45; color: var(--ink); max-width: 34ch; }
.prose { max-width: var(--measure); color: var(--ink-muted); }
.prose + .prose { margin-top: var(--space-5); }
.prose strong { color: var(--ink); font-weight: 600; }

.mono-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* ─── Actions ──────────────────────────────────────────────────────────── */

.cta {
  display: inline-flex; align-items: center; gap: var(--space-3);
  min-height: 48px; padding: var(--space-3) var(--space-6);
  border: 1px solid var(--ink); border-radius: var(--radius);
  font-family: var(--mono); font-size: var(--t-label);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink); background: transparent;
  transition: background var(--dur-hover) var(--ease),
              color var(--dur-hover) var(--ease),
              border-color var(--dur-hover) var(--ease);
}
.cta::after {
  content: ''; width: 18px; height: 1px; background: currentColor;
  transition: width var(--dur-hover) var(--ease);
}
.cta:hover, .cta:focus-visible { background: var(--ink); color: var(--ground); }
.cta:hover::after, .cta:focus-visible::after { width: 30px; }

.cta--accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.cta--accent:hover, .cta--accent:focus-visible {
  background: transparent; color: var(--accent-lift); border-color: var(--accent-lift);
}
.on-light .cta--accent:hover, .on-light .cta--accent:focus-visible {
  color: var(--accent-dim); border-color: var(--accent-dim);
}

.textlink {
  display: inline-flex; align-items: baseline; gap: var(--space-3);
  font-family: var(--mono); font-size: var(--t-label);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink); padding-block: var(--space-2);
  border-bottom: 1px solid var(--rule);
  transition: border-color var(--dur-hover) var(--ease), color var(--dur-hover) var(--ease);
}
.textlink::after { content: '→'; transition: transform var(--dur-hover) var(--ease); }
.textlink:hover, .textlink:focus-visible { border-color: var(--ink); }
.textlink:hover::after, .textlink:focus-visible::after { transform: translateX(5px); }

/* ─── Header ───────────────────────────────────────────────────────────── */

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: background 320ms var(--ease), border-color 320ms var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header::before {
  content: ''; position: absolute; inset: 0; opacity: 0;
  background: linear-gradient(to bottom, rgba(23,24,26,.92), rgba(23,24,26,.78));
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  transition: opacity 320ms var(--ease);
}
.site-header.is-settled::before { opacity: 1; }
.site-header.is-settled { border-bottom-color: rgba(244,245,243,.14); }

.header-inner {
  position: relative; z-index: 5;   /* above the panel, which is its sibling */
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-5);
  padding-block: clamp(14px, 1.7vw, 22px);
  transition: padding 320ms var(--ease);
}
.site-header.is-settled .header-inner { padding-block: 12px; }

.brand { display: flex; align-items: center; }
.brand img {
  height: clamp(26px, 2.6vw, 34px); width: auto;
  transition: height 320ms var(--ease);
}
.site-header.is-settled .brand img { height: 26px; }

.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 40px); }
.nav a {
  position: relative; color: rgba(244,245,243,.78);
  font-size: var(--t-small); letter-spacing: .005em;
  padding-block: var(--space-2);
  transition: color var(--dur-hover) var(--ease);
}
.nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--accent-lift); transform: scaleX(0); transform-origin: left;
  transition: transform 260ms var(--ease);
}
.nav a:hover, .nav a:focus-visible { color: #fff; }
.nav a:hover::after, .nav a:focus-visible::after { transform: scaleX(1); }
.nav a[aria-current='page'] { color: #fff; }
.nav a[aria-current='page']::after { transform: scaleX(1); background: var(--accent-lift); }

.nav-cta { display: none; }
@media (min-width: 900px) { .nav-cta { display: inline-flex; } }

.header-cta {
  min-height: 42px; padding: var(--space-2) var(--space-5);
  border-color: rgba(244,245,243,.34); color: #fff;
}
.header-cta:hover, .header-cta:focus-visible { background: #fff; color: var(--deep); border-color: #fff; }

.menu-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 6px;
  width: 48px; height: 48px; margin-right: -12px; align-items: flex-end;
}
.menu-toggle span {
  display: block; height: 1px; background: #F4F5F3;
  transition: width 240ms var(--ease), transform 240ms var(--ease), opacity 200ms var(--ease);
}
.menu-toggle span:nth-child(1) { width: 26px; }
.menu-toggle span:nth-child(2) { width: 18px; }
[data-menu-open] .menu-toggle span:nth-child(1) { width: 26px; transform: translateY(3.5px) rotate(21deg); }
[data-menu-open] .menu-toggle span:nth-child(2) { width: 26px; transform: translateY(-3.5px) rotate(-21deg); }
@media (min-width: 900px) { .menu-toggle, .menu-panel { display: none; } }
@media (max-width: 899px) { .nav--desk { display: none; } }

/* Mobile panel — a full-screen ladder, not a dropdown */
.menu-panel {
  position: fixed; inset: 0; z-index: 1;
  background: var(--deep);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: calc(var(--space-10) + 12px) var(--gutter) var(--space-8);
  visibility: hidden; opacity: 0;
  transition: opacity 300ms var(--ease), visibility 0s linear 300ms;
}
[data-menu-open] .menu-panel {
  visibility: visible; opacity: 1; transition-delay: 0s;
}
.menu-panel ol { display: flex; flex-direction: column; }
.menu-panel li { border-top: 1px solid rgba(244,245,243,.13); }
.menu-panel li:last-child { border-bottom: 1px solid rgba(244,245,243,.13); }
.menu-panel a {
  display: flex; align-items: baseline; gap: var(--space-4);
  padding-block: clamp(14px, 3.4vw, 22px);
  color: #F4F5F3; font-size: clamp(1.6rem, 7vw, 2.4rem);
  font-weight: 600; letter-spacing: -0.025em;
  opacity: 0; transform: translateY(14px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}
[data-menu-open] .menu-panel a { opacity: 1; transform: none; }
[data-menu-open] .menu-panel li:nth-child(1) a { transition-delay: 60ms; }
[data-menu-open] .menu-panel li:nth-child(2) a { transition-delay: 110ms; }
[data-menu-open] .menu-panel li:nth-child(3) a { transition-delay: 160ms; }
[data-menu-open] .menu-panel li:nth-child(4) a { transition-delay: 210ms; }
[data-menu-open] .menu-panel li:nth-child(5) a { transition-delay: 260ms; }
.menu-panel a span { font-family: var(--mono); font-size: .7rem; color: var(--accent-lift); font-weight: 400; }
.menu-foot { display: grid; gap: var(--space-3); }
.menu-foot a { font-size: var(--t-body); font-weight: 400; opacity: 1; transform: none; padding-block: var(--space-2); }
[data-menu-open] { overflow: hidden; }

/* ─── Base reveal: R3 rule-draw ────────────────────────────────────────── */

[data-reveal] { --d: 0ms; }
[data-reveal] > * { opacity: 0; transform: translateY(14px); }
[data-reveal]::before {
  content: ''; position: absolute; left: var(--gutter); right: var(--gutter); top: 0;
  height: 1px; background: var(--rule);
  transform: scaleX(0); transform-origin: left;
}
[data-reveal].is-in::before {
  transform: scaleX(1);
  transition: transform 640ms var(--ease-draw) var(--d);
}
[data-reveal].is-in > * {
  opacity: 1; transform: none;
  transition: opacity var(--dur-reveal) var(--ease) calc(var(--d) + 90ms),
              transform var(--dur-reveal) var(--ease) calc(var(--d) + 90ms);
}
[data-reveal='bare']::before { display: none; }

/* Role treatment — display heading: line-level rise.
   Line breaks are authored, so balancing must not re-break them. */
.lines { text-wrap: initial; }
.lines span { display: block; overflow: hidden; }
@media (min-width: 1000px) { .lines span > i { white-space: nowrap; } }
.lines span > i {
  display: block; font-style: normal;
  transform: translateY(105%);
  transition: transform 760ms var(--ease-draw) var(--ld, 0ms);
}
.is-in .lines span > i, .lines.is-in span > i { transform: none; }

/* Role treatment — media: mask aperture opening */
.aperture { overflow: hidden; position: relative; background: rgba(0,0,0,.2); }
.aperture > img {
  width: 100%; height: 100%; object-fit: cover;
  clip-path: inset(0 100% 0 0);
  transform: scale(1.05);
}
.is-in .aperture > img, .aperture.is-in > img {
  clip-path: inset(0 0 0 0);
  transform: scale(1);
  transition: clip-path 900ms var(--ease-draw), transform 1100ms var(--ease);
}
.aperture--up > img { clip-path: inset(100% 0 0 0); }
.is-in .aperture--up > img { clip-path: inset(0 0 0 0); }

/* Role treatment — numerals: clip-rise */
.num-rise { display: block; overflow: hidden; }
.num-rise > span { display: block; transform: translateY(100%); transition: transform 700ms var(--ease-draw) var(--nd, 0ms); }
.is-in .num-rise > span { transform: none; }

/* Role treatment — list rows: leader-line draw */
.leaders li { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: baseline;
  gap: var(--space-4); padding-block: var(--space-3); }
.leaders li::before {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--rule); transform: scaleX(0); transform-origin: left;
  transition: transform 620ms var(--ease-draw) var(--rd, 0ms);
}
.is-in .leaders li::before, .leaders.is-in li::before { transform: scaleX(1); }

/* Role treatment — section threshold: rule draw across the seam */
.seam { position: relative; }
.seam::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--rule); transform: scaleX(0); transform-origin: left;
  transition: transform 900ms var(--ease-draw);
}
.seam.is-in::before { transform: scaleX(1); }

/* ─── Home hero — structure rising ─────────────────────────────────────── */

.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end;
  overflow: hidden; padding-bottom: clamp(40px, 7vw, 88px); padding-top: 22vh; }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media picture, .threshold-media picture { height: 100%; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 58%;
  transform: scale(var(--hero-scale, 1.06)); will-change: transform; }
.hero-media::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(23,24,26,.72) 0%, rgba(23,24,26,.34) 34%, rgba(23,24,26,.88) 100%),
    linear-gradient(to right, rgba(23,24,26,.62), rgba(23,24,26,.06));
}
.hero .wrap { position: relative; z-index: 2; width: 100%; }

/* elevation rules that draw across the composition */
.hero-rules { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hero-rules div {
  position: absolute; left: 0; right: 0; height: 1px;
  background: rgba(244,245,243,.22);
  transform: scaleX(0); transform-origin: left;
  animation: rule-draw 1000ms var(--ease-draw) forwards;
}
.hero-rules div:nth-child(1) { top: 34%; animation-delay: 180ms; }
.hero-rules div:nth-child(2) { top: 52%; animation-delay: 300ms; }
.hero-rules div:nth-child(3) { top: 70%; animation-delay: 420ms; }
.hero-rules div:nth-child(4) { top: 88%; animation-delay: 540ms; }
@keyframes rule-draw { to { transform: scaleX(1); } }

/* elevation markers rising at the left edge */
.hero-scale {
  position: absolute; left: 14px; top: 26%; z-index: 2;
  display: grid; gap: clamp(26px, 4.4vw, 58px);
}
.hero-scale span {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .12em;
  color: rgba(244,245,243,.5);
  opacity: 0; transform: translateY(16px);
  animation: marker-rise 700ms var(--ease) forwards;
}
.hero-scale span:nth-child(1) { animation-delay: 620ms; }
.hero-scale span:nth-child(2) { animation-delay: 700ms; }
.hero-scale span:nth-child(3) { animation-delay: 780ms; }
.hero-scale span:nth-child(4) { animation-delay: 860ms; }
@keyframes marker-rise { to { opacity: 1; transform: none; } }
@media (max-width: 1279px) { .hero-scale { display: none; } }

.hero-body { display: grid; gap: var(--space-6); max-width: 20ch; }
.hero-support { display: grid; gap: var(--space-6); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: flex-start; }
.hero-grid { display: grid; gap: var(--space-7); align-items: end; }
@media (min-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(360px, 42%); gap: var(--space-7) var(--space-9); }
  .hero-body { grid-column: 1 / -1; max-width: none; }
  .hero-support { grid-column: 2; }
}

.scroll-hint { display: flex; align-items: center; gap: var(--space-4); margin-top: var(--space-8); }
.scroll-hint i {
  display: block; width: 1px; height: 42px; background: rgba(244,245,243,.3);
  position: relative; overflow: hidden;
}
.scroll-hint i::after {
  content: ''; position: absolute; inset: 0; background: var(--accent-lift);
  transform: translateY(-100%); animation: hint 2.4s var(--ease) 1.4s infinite;
}
@keyframes hint { 0% { transform: translateY(-100%); } 55%, 100% { transform: translateY(100%); } }

/* ─── Editorial statement ──────────────────────────────────────────────── */

.statement { display: grid; gap: var(--space-7); }
@media (min-width: 900px) {
  .statement { grid-template-columns: 3fr 9fr; gap: var(--space-9); }   /* L3 hanging margin */
}
.statement-body { display: grid; gap: var(--space-6); max-width: 30ch; }
.statement-body .d1 { max-width: 18ch; }
.statement-note { display: grid; gap: var(--space-4); align-content: start; }

/* ─── Capability band — facts on drawn rules ───────────────────────────── */

.capability { display: grid; gap: 0; }
.capability li {
  display: grid; align-items: baseline; gap: var(--space-4);
  padding-block: clamp(20px, 2.6vw, 34px);
  border-top: 1px solid var(--rule);
  position: relative;
}
.capability li:last-child { border-bottom: 1px solid var(--rule); }
@media (min-width: 800px) {
  .capability li { grid-template-columns: 4rem minmax(0, 9rem) minmax(0, 1fr); gap: var(--space-7); }
}
.capability .cap-index { font-family: var(--mono); font-size: .7rem; color: var(--ink-faint); letter-spacing: .12em; }
.capability .cap-value { font-size: clamp(1.9rem, 3.4vw, 3.1rem); font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.capability .cap-label { color: var(--ink-muted); max-width: 40ch; }

/* ─── Services — stacked technical plates ──────────────────────────────── */

.plate { border-top: 1px solid var(--rule); padding-block: clamp(36px, 5vw, 72px); }
.plate:last-of-type { border-bottom: 1px solid var(--rule); }
.plate-grid { display: grid; gap: var(--space-6); align-items: start; }
@media (min-width: 900px) {
  .plate-grid { grid-template-columns: var(--split, 5fr 7fr); gap: var(--space-9); }
  .plate:nth-of-type(1) .plate-grid { --split: 5fr 7fr; }
  .plate:nth-of-type(2) .plate-grid { --split: 7fr 5fr; }
  .plate:nth-of-type(3) .plate-grid { --split: 4fr 8fr; }
  .plate:nth-of-type(2) .plate-media { order: -1; }
}
.plate-head { display: grid; gap: var(--space-5); align-content: start; }
.plate-head .d2 { max-width: 12ch; }
.plate-media { position: relative; }
.plate-media .aperture { aspect-ratio: 3 / 2; border-radius: var(--radius); }
.plate-copy { display: grid; gap: var(--space-5); }

/* ─── Home project stack — offset editorial ────────────────────────────── */

.stack { display: grid; gap: clamp(48px, 8vw, 128px); }
.stack-item { display: grid; gap: var(--space-5); position: relative; }
@media (min-width: 900px) {
  .stack-item { grid-template-columns: repeat(12, 1fr); align-items: end; gap: var(--space-6); }
  .stack-item .stack-media { grid-column: 1 / 9; }
  .stack-item .stack-meta  { grid-column: 9 / 13; padding-bottom: var(--space-5); }
  .stack-item:nth-child(even) .stack-media { grid-column: 5 / 13; }
  .stack-item:nth-child(even) .stack-meta  { grid-column: 1 / 5; text-align: right; }
  .stack-item:nth-child(3n) .stack-media { grid-column: 3 / 11; }
  .stack-item:nth-child(3n) .stack-meta  { grid-column: 11 / 13; }
}
.stack-media .aperture { aspect-ratio: 3 / 2; border-radius: var(--radius); }
.stack-meta { display: grid; gap: var(--space-3); align-content: end; }
.stack-meta h3 { font-size: clamp(1.5rem, 2.6vw, 2.3rem); }
.stack-item a.stack-link { position: absolute; inset: 0; z-index: 3; border-radius: var(--radius); }
.stack-item:hover .aperture > img,
.stack-item:focus-within .aperture > img { transform: scale(1.03); }
.aperture > img { transition: transform 700ms var(--ease); }

.meta-row { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); }
.meta-row span { font-family: var(--mono); font-size: var(--t-label); letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-muted); }
.meta-row span + span::before { content: '/ '; opacity: .5; }
.stack-item:nth-child(even) .meta-row { justify-content: flex-end; }

.status {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--mono); font-size: var(--t-label); letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-muted);
}
.status::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink-faint); flex: none;
}
.status[data-status='Ongoing']::before { background: var(--accent-lift); }
.on-light .status[data-status='Ongoing']::before { background: var(--accent); }

/* ─── Full-bleed threshold band (L4 + scrubbed scale) ──────────────────── */

.threshold { position: relative; min-height: clamp(460px, 74vh, 780px); display: flex; align-items: flex-end;
  overflow: hidden; padding-block: var(--section-y); }
.threshold-media { position: absolute; inset: 0; z-index: 0; }
.threshold-media img { width: 100%; height: 100%; object-fit: cover;
  transform: scale(var(--scrub-scale, 1.06)); will-change: transform; }
.threshold-media::after { content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(23,24,26,.92) 0%, rgba(23,24,26,.40) 58%, rgba(23,24,26,.58) 100%),
    linear-gradient(to right, rgba(23,24,26,.82) 0%, rgba(23,24,26,.34) 46%, rgba(23,24,26,.05) 72%); }
.threshold .wrap { position: relative; z-index: 1; }
.threshold-copy { display: grid; gap: var(--space-6); max-width: 46ch; }

/* ─── Client marks ─────────────────────────────────────────────────────── */

.marks { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.marks li {
  border-bottom: 1px solid var(--rule);
  display: grid; gap: var(--space-4); align-items: center;
  grid-template-columns: minmax(0, 1fr) 140px;
  padding-block: var(--space-6);
}
@media (min-width: 700px) {
  .marks { grid-template-columns: 1fr 1fr; column-gap: var(--space-9); }
  .marks li:nth-child(odd) { border-right: 0; }
}
@media (min-width: 1100px) { .marks { grid-template-columns: repeat(3, 1fr); } }
.marks .mark-name { font-family: var(--mono); font-size: var(--t-label); letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint); transition: color var(--dur-hover) var(--ease); }
.marks img {
  /* one optical box for every mark, whatever shape it came in as */
  height: 46px; width: 140px; object-fit: contain; object-position: right center;
  justify-self: end;
  opacity: .5; filter: grayscale(1);
  transition: opacity var(--dur-hover) var(--ease);
}
.on-light .marks img { filter: grayscale(1) invert(0); }
.marks li:hover img, .marks li:focus-within img { opacity: .95; }
.marks li:hover .mark-name, .marks li:focus-within .mark-name { color: var(--ink); }

/* ─── Section heading block ────────────────────────────────────────────── */

.sec-head { display: grid; gap: var(--space-5); margin-bottom: clamp(36px, 5vw, 72px); }
@media (min-width: 900px) {
  .sec-head { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: var(--space-9); align-items: end; }
}
.sec-head .sec-aside { display: grid; gap: var(--space-4); align-content: end; }

/* ─── Closing CTA + footer ─────────────────────────────────────────────── */

.closer { display: grid; gap: var(--space-7); }
.closer .d1 { max-width: 16ch; }
.closer-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; }

.site-footer { background: var(--deep); color: var(--light); border-top: 1px solid rgba(244,245,243,.14); }
.footer-inner { padding-block: var(--space-8) var(--space-6); display: grid; gap: var(--space-8); }
@media (min-width: 900px) {
  .footer-cols { display: grid; grid-template-columns: 4fr 2fr 2fr 3fr; gap: var(--space-7); }
}
.footer-cols { display: grid; gap: var(--space-7); }
.footer-col { display: grid; gap: var(--space-3); align-content: start; }
.footer-col a { color: rgba(244,245,243,.72); font-size: var(--t-small);
  padding-block: 5px; }
.footer-col a:hover, .footer-col a:focus-visible { color: #fff; }
.footer-mark { display: grid; gap: var(--space-5); }
.footer-mark img { height: 30px; width: auto; }

/* footer completion detail — lines align, mark settles */
.footer-rules { display: grid; gap: 5px; margin-top: var(--space-5); }
.footer-rules i {
  display: block; height: 1px; background: rgba(244,245,243,.2);
  transform: scaleX(.18); transform-origin: left;
  transition: transform 900ms var(--ease-draw) var(--fd, 0ms);
}
.site-footer.is-in .footer-rules i { transform: scaleX(1); }
.footer-rules i:nth-child(2) { --fd: 90ms; }
.footer-rules i:nth-child(3) { --fd: 180ms; }

.footer-base {
  border-top: 1px solid rgba(244,245,243,.14); padding-top: var(--space-5);
  display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; align-items: center;
}
.to-top { display: inline-flex; align-items: center; gap: var(--space-3); }

/* ─── Projects index — adaptive wall ───────────────────────────────────── */

.controls { display: grid; gap: var(--space-6); padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--rule); }
@media (min-width: 800px) {
  .controls { grid-template-columns: minmax(0, 1fr) auto; align-items: end; column-gap: var(--space-8); }
}
.filters { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip {
  min-height: 40px; padding: var(--space-2) var(--space-4);
  border: 1px solid var(--rule); border-radius: var(--radius);
  font-family: var(--mono); font-size: var(--t-label); letter-spacing: .09em; text-transform: uppercase;
  color: var(--ink-muted);
  transition: border-color var(--dur-hover) var(--ease), color var(--dur-hover) var(--ease),
              background var(--dur-hover) var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip[aria-pressed='true'] { background: var(--ink); border-color: var(--ink); color: var(--ground); }
.view-switch { display: flex; gap: var(--space-2); }

.wall { display: grid; gap: var(--space-5); margin-top: var(--space-7); }
@media (min-width: 700px) { .wall { grid-template-columns: repeat(6, 1fr); } }
@media (min-width: 1200px) { .wall { grid-template-columns: repeat(12, 1fr); } }

.panel { position: relative; grid-column: span 6; }
@media (min-width: 1200px) {
  .panel { grid-column: span 4; }
  .panel[data-span='wide'] { grid-column: span 6; }
  .panel[data-span='tall'] { grid-column: span 3; }
}
.panel a {
  display: grid; gap: var(--space-4); color: var(--ink); height: 100%;
  align-content: start;
}
.panel-figure {
  position: relative; overflow: hidden; border-radius: var(--radius);
  aspect-ratio: 3 / 2; background: rgba(0,0,0,.25);
}
.panel[data-span='tall'] .panel-figure { aspect-ratio: 3 / 4; }
.panel[data-span='wide'] .panel-figure { aspect-ratio: 16 / 9; }
.panel-figure img { width: 100%; height: 100%; object-fit: cover;
  transition: transform 760ms var(--ease); }
/* concrete-panel mask: two plates part to expose the photograph */
.panel-figure::before, .panel-figure::after {
  content: ''; position: absolute; left: 0; right: 0; height: 50%;
  background: var(--ground); z-index: 2;
  transition: transform 760ms var(--ease-draw) var(--pd, 0ms);
}
.panel-figure::before { top: 0; transform: translateY(0); }
.panel-figure::after { bottom: 0; transform: translateY(0); }
.panel.is-in .panel-figure::before { transform: translateY(-101%); }
.panel.is-in .panel-figure::after  { transform: translateY(101%); }
.panel a:hover .panel-figure img, .panel a:focus-visible .panel-figure img { transform: scale(1.045); }
.panel-label { display: grid; gap: var(--space-2); }
.panel-label h2 { font-size: clamp(1.15rem, 1.5vw, 1.45rem); }
.panel-rule { height: 1px; background: var(--rule); transform-origin: left;
  transform: scaleX(0); transition: transform 620ms var(--ease-draw); }
.panel.is-in .panel-rule { transform: scaleX(1); }

/* index view */
.wall[data-view='index'] { display: block; margin-top: var(--space-6); }
.wall[data-view='index'] .panel { grid-column: auto; border-bottom: 1px solid var(--rule); }
.wall[data-view='index'] .panel-figure { display: none; }
.wall[data-view='index'] .panel a {
  grid-template-columns: 3rem minmax(0, 1fr); gap: var(--space-5);
  padding-block: var(--space-4); align-items: baseline;
}
@media (min-width: 900px) {
  .wall[data-view='index'] .panel a {
    grid-template-columns: 3rem minmax(0, 3fr) minmax(0, 2fr) minmax(0, 2fr) minmax(0, 1.4fr);
    align-items: baseline;
  }
}
.wall[data-view='index'] .panel-label { display: contents; }
.wall[data-view='index'] .panel-rule { display: none; }
.idx-num { font-family: var(--mono); font-size: var(--t-label); color: var(--ink-faint); }
.wall:not([data-view='index']) .idx-num,
.wall:not([data-view='index']) .idx-cell { display: none; }
.wall[data-view='index'] .panel a:hover, .wall[data-view='index'] .panel a:focus-visible { color: var(--link); }
.idx-cell { font-family: var(--mono); font-size: var(--t-label); letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-faint); }

.panel[hidden] { display: none; }

/* pointer-tracked preview — index view only, mouse only, never replaces the cursor */
.peek {
  position: fixed; z-index: 60; width: 240px; aspect-ratio: 3/2; pointer-events: none;
  border-radius: var(--radius); overflow: hidden; opacity: 0;
  transform: translate(-50%, -50%) scale(.96);
  transition: opacity 200ms var(--ease), transform 320ms var(--ease);
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.peek.is-on { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.peek img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 899px), (pointer: coarse) { .peek { display: none; } }

.result-count { font-family: var(--mono); font-size: var(--t-label); letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint); }

/* ─── Project detail — elevation ladder (M3) ───────────────────────────── */

.proj-hero { position: relative; min-height: 76svh; display: flex; align-items: flex-end;
  overflow: hidden; padding-block: 24vh var(--space-8); }
.proj-hero .threshold-media img { transform: scale(var(--scrub-scale, 1.05)); }

.proj-body { display: grid; gap: var(--space-8); }
@media (min-width: 1000px) {
  .proj-body { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--space-9); align-items: start; }
  .proj-aside { position: sticky; top: 108px; align-self: start; }
}
.proj-aside { display: grid; gap: var(--space-6); }
.spec { display: grid; gap: 0; }
.spec div { display: grid; gap: var(--space-1); padding-block: var(--space-4);
  border-top: 1px solid var(--rule); }
.spec div:last-child { border-bottom: 1px solid var(--rule); }
.spec dt { font-family: var(--mono); font-size: var(--t-label); letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint); }
.spec dd { margin: 0; font-size: var(--t-body); }

/* the elevation itself — bands drawn from the project's own storey data */
.elevation { display: grid; gap: 3px; }
.elev-band {
  display: grid; grid-template-columns: 2.6rem minmax(0, 1fr) auto; align-items: center;
  gap: var(--space-3);
  border: 1px solid var(--rule); border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  transform: scaleY(.6); transform-origin: bottom; opacity: 0;
  transition: transform 560ms var(--ease-draw) var(--ed, 0ms),
              opacity 560ms var(--ease) var(--ed, 0ms),
              border-color 300ms var(--ease), background 300ms var(--ease);
}
.is-in .elev-band { transform: none; opacity: 1; }
.elev-band[data-pos='below'] { border-style: dashed; opacity: .78; }
.is-in .elev-band[data-pos='below'] { opacity: .78; }
.elev-band.is-active { border-color: var(--accent-lift); background: rgba(27,117,188,.12); }
.on-light .elev-band.is-active { border-color: var(--accent); background: rgba(27,117,188,.09); }
.elev-count { font-family: var(--mono); font-size: .78rem; color: var(--ink); font-variant-numeric: tabular-nums; }
.elev-label { font-size: .8125rem; color: var(--ink-muted); line-height: 1.35; }
.elev-tick { font-family: var(--mono); font-size: .68rem; color: var(--ink-faint); }
.elev-grade { display: flex; align-items: center; gap: var(--space-3); padding-block: var(--space-2); }
.elev-grade i { flex: 1; height: 1px; background: var(--accent-lift); }
.on-light .elev-grade i { background: var(--accent); }
.elev-grade span { font-family: var(--mono); font-size: .66rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-muted); }

.gallery { display: grid; gap: clamp(24px, 4vw, 56px); }
.gallery figure { margin: 0; display: grid; gap: var(--space-3); }
.gallery .aperture { border-radius: var(--radius); }
.gallery figure:nth-child(odd) .aperture { aspect-ratio: 3 / 2; }
.gallery figure:nth-child(even) .aperture { aspect-ratio: 16 / 9; }
@media (min-width: 1000px) {
  .gallery figure:nth-child(even) { margin-inline: clamp(0px, 6%, 90px) 0; }
}
.gallery figcaption { font-family: var(--mono); font-size: var(--t-label); letter-spacing: .09em;
  text-transform: uppercase; color: var(--ink-faint); }

.pager { display: grid; gap: var(--space-4); border-top: 1px solid var(--rule); padding-top: var(--space-6); }
@media (min-width: 800px) { .pager { grid-template-columns: 1fr auto 1fr; align-items: center; } }
.pager a { display: grid; gap: var(--space-2); color: var(--ink); }
.pager .pg-next { text-align: right; }
.pager .pg-name { font-size: var(--t-d3); font-weight: 600; letter-spacing: -0.02em; }
.pager a:hover .pg-name, .pager a:focus-visible .pg-name { color: var(--link); }

/* ─── About — vertical construction timeline ───────────────────────────── */

.timeline { position: relative; display: grid; gap: clamp(56px, 9vw, 132px); }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 0; bottom: 0; width: 1px;
  background: var(--rule);
}
.timeline::after {
  content: ''; position: absolute; left: 7px; top: 0; width: 1px;
  height: var(--tl-progress, 0%); background: var(--accent-lift);
  transition: height 120ms linear;
}
.on-light .timeline::after { background: var(--accent); }
@media (min-width: 1000px) {
  .timeline::before, .timeline::after { left: calc(25% + 7px); }
}
.tl-item { position: relative; display: grid; gap: var(--space-5); padding-left: var(--space-8); }
@media (min-width: 1000px) {
  .tl-item { grid-template-columns: 25% minmax(0, 1fr); padding-left: 0; gap: var(--space-9); align-items: start; }
  .tl-item .tl-mark { grid-column: 1; text-align: right; padding-right: var(--space-8); }
  .tl-item .tl-content { grid-column: 2; padding-left: var(--space-8); }
  .tl-item:nth-child(even) .tl-content { padding-left: calc(var(--space-8) + 4%); }
}
/* the formwork tie that connects each principle to the line */
.tl-item::before {
  content: ''; position: absolute; left: 0; top: 10px; width: 15px; height: 15px;
  border: 1px solid var(--rule); background: var(--ground); border-radius: var(--radius);
  transform: scale(.4) rotate(45deg); opacity: 0;
  transition: transform 520ms var(--ease-draw), opacity 400ms var(--ease), border-color 400ms var(--ease);
}
.tl-item.is-in::before { transform: scale(1) rotate(45deg); opacity: 1; border-color: var(--accent-lift); }
.on-light .tl-item.is-in::before { border-color: var(--accent); }
@media (min-width: 1000px) { .tl-item::before { left: 25%; } }
.tl-mark { display: grid; gap: var(--space-2); }
.tl-content { display: grid; gap: var(--space-5); }
.tl-media .aperture { aspect-ratio: 3 / 2; border-radius: var(--radius); }
@media (min-width: 1000px) {
  .tl-item:nth-child(odd) .tl-media { margin-right: -6%; }
  .tl-item:nth-child(even) .tl-media { margin-left: -6%; }
}

/* ─── Services page — exploded formwork planes ─────────────────────────── */

/* The stage is taller than the viewport; the composition sticks while the reader
   scrolls, so the planes separate under the reader's own control. Not hijacked —
   one flick still passes it. */
.explode { position: relative; min-height: 230svh; }
.explode-stage {
  position: sticky; top: 0; height: 100svh;
  display: grid; align-content: center; justify-items: center; gap: var(--space-7);
  overflow: hidden; padding-block: clamp(92px, 13vh, 150px) var(--space-7);
}
@media (max-width: 899px) { .explode { min-height: 190svh; } }
.planes { position: relative; width: min(92%, 620px); aspect-ratio: 16 / 10; }
.plane {
  position: absolute; inset: 0; border: 1px solid var(--rule); border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(244,245,243,.05), rgba(244,245,243,.015));
  display: grid; align-content: space-between; padding: clamp(16px, 2.4vw, 28px);
  transform: translate3d(0, calc(var(--sep, 0) * var(--py, 0px)), 0)
             translateX(calc(var(--sep, 0) * var(--px, 0px)))
             rotate(calc(var(--sep, 0) * var(--pr, 0deg)));
  will-change: transform;
}
.plane:nth-child(1) { --px: -180px; --py: -28px; --pr: -1.8deg; }
.plane:nth-child(2) { --px: 0px;    --py: 52px;   --pr: 0deg; }
.plane:nth-child(3) { --px: 180px;  --py: 148px;  --pr: 1.8deg; }
@media (max-width: 1200px) {
  .plane:nth-child(1) { --px: -104px; }
  .plane:nth-child(3) { --px: 104px; }
}
/* short viewports: shorten the vertical travel so the stack stays inside the stage */
@media (min-width: 900px) and (max-height: 860px) {
  .plane:nth-child(2) { --py: 32px; }
  .plane:nth-child(3) { --py: 96px; }
}
@media (max-width: 899px) {
  .plane:nth-child(1) { --px: -24px; --py: -18px; }
  .plane:nth-child(2) { --py: 40px; }
  .plane:nth-child(3) { --px: 24px;  --py: 112px; }
}
.plane-top { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-4); }
.plane-name { font-size: clamp(1.3rem, 2.4vw, 2.1rem); font-weight: 600; letter-spacing: -0.025em; }
.plane-dims { display: flex; justify-content: space-between; gap: var(--space-4); }
.explode-hint { margin-top: clamp(96px, 13vh, 150px); }

.svc { border-top: 1px solid var(--rule); padding-block: clamp(48px, 7vw, 104px); }
.svc-grid { display: grid; gap: var(--space-7); }
@media (min-width: 1000px) {
  .svc-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-9); align-items: start; }
  .svc:nth-of-type(even) .svc-media { order: -1; }
  .svc:nth-of-type(2) .svc-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
}
.svc-head { display: grid; gap: var(--space-5); align-content: start; }
.svc-media { display: grid; gap: var(--space-4); }
.svc-media .aperture { aspect-ratio: 3 / 2; border-radius: var(--radius); }
.svc-media--small .aperture { aspect-ratio: 470 / 238; max-width: 470px; }
.svc-detail { display: grid; gap: var(--space-4); }

/* ─── Safety — protected work zone ─────────────────────────────────────── */

.zones { display: grid; gap: clamp(28px, 4vw, 56px); }
@media (min-width: 900px) { .zones { grid-template-columns: 4rem minmax(0, 1fr); column-gap: var(--space-8); } }
.zone-track { display: none; }
@media (min-width: 900px) {
  .zone-track { display: grid; position: sticky; top: 148px; gap: var(--space-5);
    align-self: start; align-content: start; }
}
.zone-track li { display: flex; align-items: center; gap: var(--space-3);
  font-family: var(--mono); font-size: .68rem; color: var(--ink-faint);
  transition: color 300ms var(--ease); }
.zone-track li::after { content: ''; width: 14px; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left; transition: transform 400ms var(--ease-draw); }
.zone-track li.is-checked { color: var(--accent-lift); }
.on-light .zone-track li.is-checked { color: var(--accent-dim); }
.zone-track li.is-checked::after { transform: scaleX(1); }

.zone { position: relative; padding: clamp(24px, 3.6vw, 48px); display: grid; gap: var(--space-5);
  max-width: 78ch; }
@media (min-width: 1000px) {
  .zone:nth-child(even) { margin-left: clamp(0px, 9%, 132px); }
}
/* The boundary is drawn line by line, clockwise, and stays once drawn. */
.zone-frame { position: absolute; inset: 0; pointer-events: none; }
.zone-frame i { position: absolute; background: var(--rule); display: block;
  transition: transform 460ms var(--ease-draw) var(--zd, 0ms); }
.zone-frame i:nth-child(1) { top: 0; left: 0; right: 0; height: 1px; transform: scaleX(0); transform-origin: left; }
.zone-frame i:nth-child(2) { top: 0; right: 0; bottom: 0; width: 1px; transform: scaleY(0); transform-origin: top; --zd: 300ms; }
.zone-frame i:nth-child(3) { bottom: 0; left: 0; right: 0; height: 1px; transform: scaleX(0); transform-origin: right; --zd: 600ms; }
.zone-frame i:nth-child(4) { top: 0; left: 0; bottom: 0; width: 1px; transform: scaleY(0); transform-origin: bottom; --zd: 900ms; }
.zone.is-in .zone-frame i { transform: scale(1); }
.zone-index { display: flex; align-items: center; gap: var(--space-3); }
.zone h3 { max-width: 20ch; }

/* ─── Contact — project starter ────────────────────────────────────────── */

.contact-grid { display: grid; gap: var(--space-8); }
@media (min-width: 1000px) {
  .contact-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: var(--space-9); align-items: start; }
  .contact-details { position: sticky; top: 116px; }
}
.contact-details { display: grid; gap: var(--space-6); align-content: start; }
.detail-list { display: grid; gap: 0; }
.detail-list div { display: grid; gap: var(--space-1); padding-block: var(--space-4);
  border-top: 1px solid var(--rule); }
.detail-list div:last-child { border-bottom: 1px solid var(--rule); }
.detail-list dt { font-family: var(--mono); font-size: var(--t-label); letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint); }
.detail-list dd { margin: 0; }
.detail-list a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule);
  display: inline-block; padding-block: 3px; }
.detail-list a:hover, .detail-list a:focus-visible { border-color: var(--ink); }

.starter { display: grid; gap: var(--space-6); }
.stage-track { display: flex; gap: var(--space-2); }
.stage-track li { flex: 1; display: grid; gap: var(--space-2); }
.stage-track i { display: block; height: 2px; background: var(--rule); border-radius: 1px; }
.stage-track li.is-active i, .stage-track li.is-done i { background: var(--accent-lift); }
.on-light .stage-track li.is-active i, .on-light .stage-track li.is-done i { background: var(--accent); }
.stage-track span { font-family: var(--mono); font-size: .66rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint); }
.stage-track li.is-active span { color: var(--ink); }

fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: var(--space-5); }
legend { padding: 0; }
.field { display: grid; gap: var(--space-2); }
.field label { font-family: var(--mono); font-size: var(--t-label); letter-spacing: .09em;
  text-transform: uppercase; color: var(--ink-muted); }
.field .req { color: var(--accent-lift); }
.on-light .field .req { color: var(--accent-dim); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: var(--space-3) var(--space-4);
  background: transparent; color: var(--ink);
  border: 1px solid var(--rule); border-radius: var(--radius);
  font: inherit; font-size: var(--t-body);
  transition: border-color var(--dur-hover) var(--ease), background var(--dur-hover) var(--ease);
}
.field textarea { min-height: 148px; resize: vertical; line-height: 1.5; }
.field select { appearance: none; padding-right: var(--space-8);
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 22px) 22px, calc(100% - 16px) 22px;
  background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; }
.field select option { background: var(--deep); color: var(--light); }
.on-light .field select option { background: var(--light); color: var(--deep); }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--ink-faint); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent-lift); outline: 2px solid transparent; outline-offset: 0;
  box-shadow: 0 0 0 2px rgba(90,174,232,.28);
}
.on-light .field input:focus, .on-light .field select:focus, .on-light .field textarea:focus {
  border-color: var(--accent-dim); box-shadow: 0 0 0 2px rgba(22,99,159,.2);
}
.field .err { font-size: var(--t-small); color: #FFB4A8; min-height: 0; }
.on-light .field .err { color: #B3261E; }
.field[data-invalid] input, .field[data-invalid] select, .field[data-invalid] textarea { border-color: #FFB4A8; }
.on-light .field[data-invalid] input, .on-light .field[data-invalid] select,
.on-light .field[data-invalid] textarea { border-color: #B3261E; }
.field-pair { display: grid; gap: var(--space-5); }
@media (min-width: 640px) { .field-pair { grid-template-columns: 1fr 1fr; } }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center;
  justify-content: space-between; }
.form-note { font-size: var(--t-small); color: var(--ink-muted); max-width: 46ch; }

.form-status { border: 1px solid var(--rule); border-radius: var(--radius);
  padding: var(--space-5); display: grid; gap: var(--space-3); }
.form-status[data-tone='error'] { border-color: rgba(255,180,168,.5); }
.on-light .form-status[data-tone='error'] { border-color: rgba(179,38,30,.5); }

/* site plan that gains structure as the brief fills in */
.siteplan { width: 100%; height: auto; }
.siteplan [data-plan] { opacity: 0; transition: opacity 500ms var(--ease), stroke-dashoffset 800ms var(--ease-draw); }
.siteplan [data-plan].is-on { opacity: 1; }
.siteplan .pl-line { fill: none; stroke: var(--rule); stroke-width: 1; vector-effect: non-scaling-stroke; }
.siteplan .pl-key { fill: none; stroke: var(--accent-lift); stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.on-light .siteplan .pl-key { stroke: var(--accent); }
.siteplan text { font-family: var(--mono); font-size: 9px; letter-spacing: .1em; fill: var(--ink-faint); }

.brief { display: grid; gap: 0; }
.brief div { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: var(--space-4);
  padding-block: var(--space-3); border-top: 1px solid var(--rule); }
.brief dt { font-family: var(--mono); font-size: var(--t-label); letter-spacing: .09em;
  text-transform: uppercase; color: var(--ink-faint); }
.brief dd { margin: 0; }

/* ─── Styleguide ───────────────────────────────────────────────────────── */

.sg-swatches { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.sg-swatch { display: grid; gap: var(--space-2); }
.sg-swatch i { display: block; height: 78px; border-radius: var(--radius); border: 1px solid var(--rule); }
.sg-row { display: grid; gap: var(--space-3); padding-block: var(--space-5); border-top: 1px solid var(--rule); }

/* ─── Reduced motion — a designed static state, not a broken one ───────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    transition-delay: 0ms !important;
  }
  [data-reveal] > * { opacity: 1; transform: none; }
  [data-reveal]::before, .seam::before, .panel-rule, .footer-rules i,
  .leaders li::before { transform: scaleX(1); }
  .lines span > i, .num-rise > span { transform: none; }
  .aperture > img, .aperture--up > img { clip-path: none; transform: none; }
  .hero-media img, .threshold-media img { transform: none; }
  .hero-rules div, .substrate span { transform: none; opacity: 1; }
  .hero-scale span { opacity: 1; transform: none; }
  .scroll-hint i::after { display: none; }
  .panel-figure::before, .panel-figure::after { display: none; }
  .elev-band { transform: none; opacity: 1; }
  .elev-band[data-pos='below'] { opacity: .78; }
  .tl-item::before { transform: scale(1) rotate(45deg); opacity: 1; }
  .zone-frame i { transform: scale(1); }
  .plane { transform: none; position: relative; inset: auto; margin-bottom: var(--space-4); }
  .explode { min-height: auto; }
  .explode-stage { position: static; height: auto; }
  .explode-hint { display: none; }   /* nothing to pull apart when motion is off */
  .planes { aspect-ratio: auto; display: grid; gap: var(--space-4); }
  .siteplan [data-plan] { opacity: 1; }
  .zone-track li::after { transform: scaleX(1); }
}

/* No-JS: nothing may stay hidden behind a reveal that never fires. */
.no-js [data-reveal] > * { opacity: 1; transform: none; }
.no-js .lines span > i, .no-js .num-rise > span { transform: none; }
.no-js .aperture > img { clip-path: none; transform: none; }
.no-js .panel-figure::before, .no-js .panel-figure::after { display: none; }
.no-js .elev-band { transform: none; opacity: 1; }
.no-js .tl-item::before { transform: scale(1) rotate(45deg); opacity: 1; }
.no-js .zone-frame i { transform: scale(1); }
.no-js .siteplan [data-plan] { opacity: 1; }
.no-js .planes { aspect-ratio: auto; display: grid; gap: var(--space-4); }
.no-js .plane { position: relative; inset: auto; transform: none; }
.no-js .explode-hint { display: none; }
.no-js .explode { min-height: auto; }
.no-js .explode-stage { position: static; height: auto; }
.no-js .peek, .no-js .view-switch, .no-js .filters { display: none; }
.no-js .stage-track { display: none; }