/* ==========================================================================
   BECKOX — "The Drawing Office"
   Palette drawn from the company's own product materials:
   natural polypropylene cream · graphite-grey PP ducting · safety yellow.
   Type: Big Shoulders Display (stencil-industrial) / Archivo / IBM Plex Mono.
   ========================================================================== */

:root {
  /* material palette */
  --pp: #f2efe6;             /* natural polypropylene sheet */
  --pp-deep: #e9e4d6;        /* shaded PP */
  --paper: #faf8f2;          /* drawing paper */
  --carbon: #191b1e;         /* graphite PP ducting */
  --carbon-2: #24272b;
  --carbon-3: #303439;
  --ink: #1c1e21;
  --ink-soft: #4c5157;
  --ink-faint: #797f86;
  --line: #d4cfc0;           /* hairline on paper */
  --line-dark: #3a3e44;      /* hairline on carbon */
  --safety: #f0b400;         /* handrail yellow */
  --safety-deep: #d29e00;
  --grp: #2e7d4f;            /* GRP grating green — sparing use */

  --font-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --font-body: "Archivo", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;

  --chamfer: 10px;           /* welded-edge corner cut */
  --measure: 66ch;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --wide: 1280px;
}

/* --- reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* graph-paper backdrop, faint, print-like */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  /* 128px module divides the 1280px wrap; centre-anchored so a line runs
     through the middle of the content column */
  background-size: 128px 128px;
  background-position: calc(50% - 64px) 0;
  opacity: .2;
  z-index: 0;
}
/* paper grain — the difference between "web page" and "printed sheet" */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: .05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}
body > * { position: relative; z-index: 1; }

/* tabular figures wherever numbers align */
.hero__facts b, .num, .capindex .c, .ft__meta { font-variant-numeric: tabular-nums; }

/* --- type ----------------------------------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: .95;
  letter-spacing: .01em;
  text-transform: uppercase;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.6rem, 7vw, 5rem); font-weight: 800; }
h2 { font-size: clamp(1.9rem, 4.2vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); letter-spacing: .03em; }
p { margin: 0 0 1.1em; max-width: var(--measure); }
strong { font-weight: 600; }

/* drawing-sheet label: mono, uppercase, ticked */
.lbl {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 0 0 1.1rem;
}
.lbl::before {
  content: "";
  width: 2.2rem; height: 1px;
  background: var(--ink);
  box-shadow: -1px -3px 0 0 var(--ink), -1px 3px 0 0 var(--ink); /* dimension ticks */
}
.lbl--y { color: var(--safety-deep); }
.lbl--y::before { background: var(--safety); box-shadow: -1px -3px 0 0 var(--safety), -1px 3px 0 0 var(--safety); }

/* index numbers */
.num {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--ink-faint);
  letter-spacing: .1em;
}

/* --- layout --------------------------------------------------------------- */
.wrap { max-width: var(--wide); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(3.5rem, 9vw, 6.5rem); }
.section--rule { border-top: 1px solid var(--line); }

/* chamfered panel — welded plastic edge */
.cham {
  clip-path: polygon(var(--chamfer) 0, 100% 0, 100% calc(100% - var(--chamfer)),
                     calc(100% - var(--chamfer)) 100%, 0 100%, 0 var(--chamfer));
}

/* --- header --------------------------------------------------------------- */
.hd {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.hd__bar {
  display: flex; align-items: center; gap: 1.5rem;
  min-height: 4.25rem;
}
.hd__brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.7rem;
  letter-spacing: .04em;
  text-decoration: none;
  display: flex; align-items: baseline; gap: .55rem;
}
.hd__brand em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--ink-soft);
  transform: translateY(-1px);
}
.hd__brand b { color: var(--ink); font-weight: 800; }
.hd__brand b::after {
  content: "";
  display: inline-block;
  width: .42em; height: .42em;
  margin-left: .18em;
  background: var(--safety);
  clip-path: polygon(25% 0, 100% 0, 75% 100%, 0 100%); /* sheared square */
}
.hd__nav { margin-left: auto; display: flex; gap: 1.6rem; }
.hd__nav a {
  font-size: .92rem; font-weight: 500;
  text-decoration: none;
  color: var(--ink-soft);
  padding-block: .35rem;
  border-bottom: 2px solid transparent;
}
.hd__nav a:hover, .hd__nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--safety);
}
.hd__cta {
  font-family: var(--font-mono);
  font-size: .8rem; font-weight: 500;
  letter-spacing: .06em;
  text-decoration: none;
  color: var(--ink);
  background: var(--safety);
  padding: .6rem 1.05rem;
  white-space: nowrap;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px),
                     calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.hd__cta:hover { background: var(--safety-deep); }
.hd__burger {
  display: none;
  margin-left: auto;
  background: none; border: 1px solid var(--ink);
  padding: .55rem .7rem; cursor: pointer;
}
.hd__burger span {
  display: block; width: 1.25rem; height: 2px;
  background: var(--ink); margin: .28rem 0;
}

/* mobile drawer */
.drawer {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--paper);
}
.drawer.open { display: block; }
.drawer a {
  display: block;
  padding: .9rem var(--gutter);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.drawer a:hover { background: var(--pp); }
.drawer .drawer__cta { background: var(--safety); font-family: var(--font-mono); font-size: .85rem; }

@media (max-width: 900px) {
  .hd__nav, .hd__cta { display: none; }
  .hd__burger { display: block; }
}
@media (max-width: 560px) {
  .hd__brand em { display: none; }   /* strapline off — keeps the bar one line */
}

/* --- hero ------------------------------------------------------------------ */
.hero { overflow: visible; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: stretch;
  padding-block: clamp(3rem, 8vw, 6rem) clamp(2.5rem, 6vw, 4rem);
}
/* photo mounted on graphite, filling its column and breaking the bottom rule */
.hero__media { display: flex; flex-direction: column; }
.hero__media .frame {
  flex: 1;
  display: flex;
  background: var(--carbon);
  border-color: var(--carbon);
  padding: 12px;
}
.hero__media .frame picture { flex: 1; display: flex; }
.hero__media .frame img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 821px) {
  .hero__media { margin-bottom: calc(-1 * clamp(2rem, 5vw, 3.5rem)); position: relative; z-index: 3; }
}
.hero h1 span { display: block; }
.hero h1 .accent { color: transparent; -webkit-text-stroke: 2px var(--ink); }
.hero__intro { font-size: 1.15rem; color: var(--ink-soft); }
.hero__facts {
  display: flex; flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--ink);
  margin-top: 2rem;
}
.hero__facts div {
  flex: 1 1 33%;
  min-width: 8rem;
  padding: .9rem 1.1rem;
  border-right: 1px solid var(--ink);
}
.hero__facts div:last-child { border-right: 0; }
.hero__facts b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1;
}
.hero__facts small {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.hero__media { position: relative; }
.hero__media img { width: 100%; }
.hero__media figcaption {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--ink-soft);
  padding-top: .6rem;
  border-top: 1px solid var(--ink);
  margin-top: .6rem;
}

/* drawing frame: hairline border + corner registration marks */
.frame { position: relative; padding: 10px; border: 1px solid var(--ink); background: #fff; }
.frame::before, .frame::after,
.frame .frame-marks::before, .frame .frame-marks::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 0 solid var(--safety-deep);
  pointer-events: none;
}
.frame::before { top: -5px; left: -5px; border-top-width: 2px; border-left-width: 2px; }
.frame::after { top: -5px; right: -5px; border-top-width: 2px; border-right-width: 2px; }
.frame .frame-marks::before { bottom: -5px; left: -5px; border-bottom-width: 2px; border-left-width: 2px; }
.frame .frame-marks::after { bottom: -5px; right: -5px; border-bottom-width: 2px; border-right-width: 2px; }

/* photo normalisation: real site photos vary wildly; pull them together */
.card__media img, .gal img, .hero__media img, .split img {
  filter: contrast(1.07) saturate(.85) brightness(.99);
}
/* printed keyline over every mounted photo */
.card__media, .gal a { position: relative; }
.card__media::after, .gal a::after {
  content: "";
  position: absolute; inset: 0;
  box-shadow: inset 0 0 0 1px rgba(25, 27, 30, .15);
  pointer-events: none;
}

/* print + no-JS: nothing may stay hidden */
@media print {
  html.js [data-reveal] { opacity: 1 !important; transform: none !important; }
}
@media (max-width: 820px) {
  .hero__grid { grid-template-columns: 1fr; align-items: start; }
}

/* hero entrance — one orchestrated moment, CSS only */
@media (prefers-reduced-motion: no-preference) {
  .hero h1 span, .hero .lbl, .hero__intro, .hero .btn-row, .hero__facts {
    opacity: 0;
    transform: translateY(18px);
    animation: rise .7s cubic-bezier(.2, .7, .2, 1) forwards;
  }
  .hero .lbl { animation-delay: .05s; }
  .hero h1 span:nth-child(1) { animation-delay: .12s; }
  .hero h1 span:nth-child(2) { animation-delay: .22s; }
  .hero h1 span:nth-child(3) { animation-delay: .32s; }
  .hero__intro { animation-delay: .45s; }
  .hero .btn-row { animation-delay: .55s; }
  .hero__facts { animation-delay: .65s; }
  .hero__media { opacity: 0; animation: rise .8s .3s cubic-bezier(.2, .7, .2, 1) forwards; }
}
@keyframes rise { to { opacity: 1; transform: none; } }

/* --- buttons --------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .84rem; font-weight: 500;
  letter-spacing: .06em;
  text-decoration: none;
  padding: .85rem 1.5rem;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  clip-path: polygon(var(--chamfer) 0, 100% 0, 100% calc(100% - var(--chamfer)),
                     calc(100% - var(--chamfer)) 100%, 0 100%, 0 var(--chamfer));
}
.btn:hover { background: var(--carbon-3); }
.btn--y { background: var(--safety); color: var(--ink); border-color: var(--safety); }
.btn--y:hover { background: var(--safety-deep); border-color: var(--safety-deep); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--pp-deep); }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }

/* --- capability index ------------------------------------------------------ */
.capindex { border-top: 1px solid var(--ink); }
.capindex a {
  display: grid;
  grid-template-columns: 4.5rem auto minmax(2rem, 1fr) auto;
  align-items: baseline;
  gap: 1rem;
  padding: 1.05rem .25rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: background .15s ease, padding-left .15s ease, box-shadow .15s ease;
}
/* dot leader — the BOM/drawing-register detail that ties each row together */
.capindex .lead {
  align-self: center;
  border-bottom: 1px dotted var(--ink-faint);
  transform: translateY(-.35em);
  min-width: 2rem;
}
.capindex .num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: transparent;
  -webkit-text-stroke: 1px var(--ink-faint);
  letter-spacing: 0;
  transition: color .15s ease;
}
.capindex a:hover .num { color: var(--safety); -webkit-text-stroke-color: var(--ink); }
.capindex a:hover {
  background: var(--pp);
  padding-left: .8rem;
  box-shadow: inset 3px 0 0 var(--safety);   /* yellow edge slides in */
}
.capindex .t {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.6vw, 1.7rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
}
.capindex .c {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--ink-faint);
}
.capindex a:hover .c { color: var(--safety-deep); }

/* --- cards ----------------------------------------------------------------- */
.grid { display: grid; gap: clamp(1rem, 2.5vw, 1.75rem); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 980px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  text-decoration: none;
  display: flex; flex-direction: column;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.card::before {           /* yellow rule sweeps in across the top on hover */
  content: "";
  position: absolute; top: -1px; left: 0; right: 100%;
  height: 3px;
  background: var(--safety);
  transition: right .25s cubic-bezier(.2, .7, .2, 1);
  z-index: 1;
}
.card:hover::before { right: 0; }
.card:hover {
  border-color: var(--ink);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);      /* sheet lifted off the stack */
}
.card__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--pp-deep); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .card__media img { transform: scale(1.04); }
.card__body { padding: 1.1rem 1.2rem 1.3rem; }
.card__body h3 { margin-bottom: .35rem; }
.card__body p { font-size: .92rem; color: var(--ink-soft); margin: 0; }
.card__tag {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: block;
  margin-bottom: .5rem;
}

/* --- carbon (dark) sections ------------------------------------------------ */
.carbon {
  background: var(--carbon);
  color: var(--pp);
  /* hazard-tape entry rule — connective tissue at the cream→carbon cut */
  border-top: 6px solid transparent;
  border-image: repeating-linear-gradient(-45deg,
    var(--carbon) 0 12px, var(--safety) 12px 24px) 6;
}
.carbon .lbl { color: #b9bec5; }
.carbon .lbl::before { background: var(--safety); box-shadow: -1px -3px 0 0 var(--safety), -1px 3px 0 0 var(--safety); }
.carbon p { color: #c9cdd2; }
.carbon .btn--ghost { color: var(--pp); border-color: var(--line-dark); }
.carbon .btn--ghost:hover { background: var(--carbon-2); }

/* client wall */
.clients {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
  margin-top: 2rem;
}
.clients span {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .05em;
  padding: 1.15rem 1.2rem;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  color: #d6dade;
}
.clients span:hover { background: var(--carbon-2); color: var(--safety); }

/* --- process strip ---------------------------------------------------------- */
.steps { counter-reset: step; display: grid; gap: 0; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--ink); }
.steps div { counter-increment: step; padding: 1.4rem 1.3rem 1.6rem; border-right: 1px solid var(--ink); position: relative; }
.steps div:last-child { border-right: 0; }
.steps div::before {
  content: "0" counter(step);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--safety-deep);
  display: block;
  margin-bottom: .8rem;
}
.steps h3 { font-size: 1.15rem; margin-bottom: .4rem; }
.steps p { font-size: .9rem; color: var(--ink-soft); margin: 0; }
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .steps div:nth-child(2) { border-right: 0; }
  .steps div:nth-child(-n+2) { border-bottom: 1px solid var(--ink); }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .steps div { border-right: 0 !important; border-bottom: 1px solid var(--ink); }
  .steps div:last-child { border-bottom: 0; }
}

/* --- gallery ---------------------------------------------------------------- */
.gal { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .gal { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gal { grid-template-columns: 1fr; } }
.gal figure { margin: 0; }
.gal a { display: block; overflow: hidden; border: 1px solid var(--line); background: #fff; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.gal a:hover { border-color: var(--ink); transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); }
.gal img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .4s ease; }
.gal a:hover img { transform: scale(1.045); }
.gal figcaption {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .05em;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding: .55rem .15rem 0;
  margin-top: .55rem;
}

/* lightbox */
.lb {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(15, 16, 18, .93);
  display: none;
  align-items: center; justify-content: center;
  padding: 2.5rem;
}
.lb.open { display: flex; }
.lb img { max-width: min(1400px, 92vw); max-height: 82vh; width: auto; height: auto; }
.lb figcaption {
  position: absolute; left: 0; right: 0; bottom: 1.2rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: #cfd3d8;
}
.lb button {
  position: absolute;
  background: none; border: 1px solid #5a5f66;
  color: #e6e9ec;
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: .55rem .9rem;
  cursor: pointer;
}
.lb button:hover { border-color: var(--safety); color: var(--safety); }
.lb__close { top: 1.2rem; right: 1.2rem; }
.lb__prev { left: 1.2rem; top: 50%; transform: translateY(-50%); }
.lb__next { right: 1.2rem; top: 50%; transform: translateY(-50%); }

/* --- long-form layout: prose + drawing-sheet notes column -------------------- */
.longform {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 17rem;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.longform__side { position: sticky; top: 5.5rem; }
@media (max-width: 980px) {
  .longform { grid-template-columns: 1fr; }
  .longform__side { position: static; max-width: 34rem; }
}

.toc {
  border: 1px solid var(--ink);
  background: #fff;
  margin-bottom: 1.25rem;
}
.toc h2 {
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pp);
  background: var(--ink);
  margin: 0;
  padding: .65rem 1rem;
  line-height: 1.4;
}
.toc ol {
  list-style: none;
  counter-reset: toc;
  margin: 0;
  padding: .5rem 0;
}
.toc li { counter-increment: toc; }
.toc a {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: .4rem;
  padding: .42rem 1rem;
  font-size: .84rem;
  line-height: 1.35;
  text-decoration: none;
  color: var(--ink-soft);
}
.toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--ink-faint);
}
.toc a:hover { background: var(--pp); color: var(--ink); }
.toc a:hover::before { color: var(--safety-deep); }

.askbox {
  border: 1px solid var(--ink);
  background: var(--carbon);
  color: var(--pp);
  padding: 1.1rem 1.2rem 1.3rem;
}
.askbox h2 {
  font-size: 1.25rem;
  margin: 0 0 .5rem;
  color: var(--pp);
}
.askbox p { font-size: .88rem; color: #c3c8ce; margin: 0 0 .8rem; }
.askbox__tel { font-family: var(--font-mono); font-size: 1.05rem; }
.askbox__tel a { color: var(--safety); text-decoration: none; }
.askbox__tel a:hover { text-decoration: underline; }
.askbox .btn { width: 100%; text-align: center; }

/* headings become anchor targets — keep them clear of the sticky header */
.prose h2[id] { scroll-margin-top: 5.5rem; }

/* --- prose / capability pages ----------------------------------------------- */
.prose h2 { margin-top: 2.2rem; }
.prose ul { max-width: var(--measure); padding-left: 1.2rem; }
.prose li { margin-bottom: .45rem; }
.prose li::marker { color: var(--safety-deep); }

.spec {
  border: 1px solid var(--ink);
  margin-block: 2rem;
  max-width: 46rem;
}
.spec caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .7rem 1rem;
  background: var(--ink);
  color: var(--pp);
}
.spec table { border-collapse: collapse; width: 100%; }
.spec th, .spec td { text-align: left; padding: .65rem 1rem; border-bottom: 1px solid var(--line); font-size: .92rem; vertical-align: top; }
.spec th { font-family: var(--font-mono); font-weight: 500; font-size: .78rem; letter-spacing: .04em; white-space: nowrap; color: var(--ink-soft); }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: 0; }
.spec-scroll { overflow-x: auto; }

/* answer-first callout */
.answer {
  border-left: 3px solid var(--safety);
  background: #fff;
  border-top: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 1.2rem 1.4rem;
  margin-block: 1.6rem 2rem;
  max-width: 46rem;
}
.answer p { margin: 0; font-size: 1.02rem; }

/* related pills */
.pills { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.2rem; }
.pills a {
  font-family: var(--font-mono);
  font-size: .76rem;
  text-decoration: none;
  padding: .5rem .95rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
}
.pills a:hover { border-color: var(--ink); color: var(--ink); }

/* breadcrumb */
.crumb {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--ink-faint);
  padding-block: 1rem 0;
}
.crumb a { color: var(--ink-soft); text-decoration: none; }
.crumb a:hover { color: var(--ink); text-decoration: underline; }
.crumb span { margin-inline: .4rem; }

/* --- CTA band ---------------------------------------------------------------- */
.ctaband {
  background: var(--safety);
  border-block: 6px solid transparent;
  /* hazard-tape edges */
  border-image: repeating-linear-gradient(-45deg,
    var(--carbon) 0 12px, var(--safety) 12px 24px) 6;
}
.ctaband .wrap {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem;
  padding-block: 2.2rem;
}
.ctaband h2 { margin: 0; font-size: clamp(1.5rem, 3.4vw, 2.3rem); }
.ctaband .btn { margin-left: auto; }
@media (max-width: 700px) { .ctaband .btn { margin-left: 0; } }

/* --- contact ------------------------------------------------------------------ */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
.vcard { border: 1px solid var(--ink); background: #fff; }
.vcard > div { padding: 1.1rem 1.3rem; border-bottom: 1px solid var(--line); }
.vcard > div:last-child { border-bottom: 0; }
.vcard b {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: .3rem;
}
.vcard a { text-decoration: none; }
.vcard a:hover { text-decoration: underline; }

/* form: enclosed panel matching the vcard */
.form-panel { border: 1px solid var(--ink); background: #fff; }
.form-panel > .form-cap {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .7rem 1.2rem;
  background: var(--ink);
  color: var(--pp);
}
.form-panel form { padding: .4rem 1.4rem 1.5rem; }
.form-panel .btn { width: 100%; text-align: center; }

/* form */
.form label {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 1.1rem 0 .35rem;
}
.form input, .form textarea, .form select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: .75rem .9rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: 2px solid var(--safety);
  outline-offset: 1px;
  border-color: var(--ink);
}
.form .hp { position: absolute; left: -9999px; }
.form button { margin-top: 1.4rem; cursor: pointer; }

/* --- footer: drawing-sheet title block ---------------------------------------- */
.ft { background: var(--carbon); color: #c9cdd2; margin-top: clamp(3rem, 8vw, 5rem); }
.ft a { color: #e2e5e9; }
.ft__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  border-left: 1px solid var(--line-dark);
  border-right: 1px solid var(--line-dark);
}
.ft__cell { padding: 1.8rem 1.6rem; border-right: 1px solid var(--line-dark); }
.ft__cell:last-child { border-right: 0; }
.ft__cell h4 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #8d939a;
  margin: 0 0 .9rem;
}
.ft__cell ul { list-style: none; margin: 0; padding: 0; }
.ft__cell li { margin-bottom: .45rem; font-size: .9rem; }
.ft__cell a { text-decoration: none; }
.ft__cell a:hover { color: var(--safety); }
.ft__brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--pp);
  letter-spacing: .04em;
  margin-bottom: .6rem;
}
.ft__brand::after {
  content: "";
  display: inline-block;
  width: .42em; height: .42em;
  margin-left: .18em;
  background: var(--safety);
  clip-path: polygon(25% 0, 100% 0, 75% 100%, 0 100%);
}
/* title-block strip: DRG-sheet cells */
.ft__meta {
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
}
.ft__meta .wrap {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1.4fr;
  gap: 0;
  padding-inline: var(--gutter);
}
.ft__meta .tb {
  padding: .8rem 1rem .9rem;
  border: 1px solid var(--line-dark);
  border-left: 0;
  line-height: 1.7;
}
.ft__meta .tb:first-child { border-left: 1px solid var(--line-dark); }
.ft__meta .tb b {
  display: block;
  font-weight: 500;
  font-size: .58rem;
  letter-spacing: .2em;
  color: #7c828a;
  margin-bottom: .3rem;
  text-transform: uppercase;
}
.ft__meta a { text-decoration: none; color: #e2e5e9; }
.ft__meta a:hover { color: var(--safety); }
@media (max-width: 1080px) {
  .ft__meta .wrap { grid-template-columns: repeat(3, 1fr); }
  .ft__meta .tb:nth-child(3n+1) { border-left: 1px solid var(--line-dark); }
}
@media (max-width: 640px) {
  .ft__meta .wrap { grid-template-columns: 1fr 1fr; }
  .ft__meta .tb:nth-child(3n+1) { border-left: 0; }
  .ft__meta .tb:nth-child(2n+1) { border-left: 1px solid var(--line-dark); }
}
@media (max-width: 980px) {
  .ft__grid { grid-template-columns: 1fr 1fr; }
  .ft__cell { border-bottom: 1px solid var(--line-dark); }
}
@media (max-width: 560px) {
  .ft__grid { grid-template-columns: 1fr; }
  .ft__cell { border-right: 0; }
  .ft__meta .credit { margin-left: 0; }
}

/* --- reveal on scroll ----------------------------------------------------------- */
html.js [data-reveal] { opacity: 0; transform: translateY(14px); }
html.js [data-reveal].in { opacity: 1; transform: none; transition: opacity .55s ease, transform .55s ease; }
@media (prefers-reduced-motion: reduce) {
  html.js [data-reveal] { opacity: 1; transform: none; }
}

/* --- skip link / a11y ------------------------------------------------------------ */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--safety); color: var(--ink);
  padding: .7rem 1.2rem;
  font-family: var(--font-mono); font-size: .8rem;
  text-decoration: none;
}
.skip:focus { left: 0; }
:focus-visible { outline: 2px solid var(--safety-deep); outline-offset: 2px; }

/* --- two-col with media ----------------------------------------------------------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.split--rev > :first-child { order: 2; }
@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; }
  .split--rev > :first-child { order: 0; }
}
.split figure { margin: 0; }
.split figcaption {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--ink-soft);
  padding-top: .55rem;
  border-top: 1px solid var(--ink);
  margin-top: .55rem;
}