@charset "UTF-8";

/* =========================================================================
   Aitch
   Every colour here is lifted from the mark: the green of the tiles, the
   charcoal of the wordmark, and the four odd tiles scattered through the
   tower, which become the four delivery stages. Radius is the tile radius.
   ========================================================================= */

:root {
  /* Brand constants - identical in both themes */
  --ink: #141a17;
  --slab: #e7e7e1;
  --leaf: #56a343;
  --clay: #b0472a;
  --amber: #dfa31c;
  --ochre: #9a7628;

  /* The mark's tile radius, expressed as a ratio of tile size */
  --r: 4px;
  --r-lg: 6px;

  --shell: 82rem;
  --gutter: clamp(1.15rem, 4vw, 3.5rem);

  --step: clamp(3.5rem, 7vw, 6.5rem);
  --step-sm: clamp(2.25rem, 4vw, 3.5rem);

  --font-display: "Archivo", "IBM Plex Sans Arabic", system-ui, sans-serif;
  --font-body: "IBM Plex Sans Arabic", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* --- Light: raw concrete, not cream ------------------------------------ */
:root,
:root[data-theme="light"] {
  color-scheme: light;
  --surface: #e7e7e1;
  --surface-2: #f2f2ee;
  --surface-3: #dbdbd3;
  --surface-ink: #141a17;
  --text: #141a17;
  --text-muted: #5b655e;
  --text-faint: #8b948d;
  --line: rgba(20, 26, 23, 0.16);
  --line-soft: rgba(20, 26, 23, 0.08);
  --accent: #47903a;
  --accent-ink: #0d1310;
  --m-left: #3f8f2c;
  --m-right: #6bbb4f;
  --m-edge: #55a53c;
  --shadow: 0 1px 2px rgba(20, 26, 23, 0.06), 0 12px 28px -18px rgba(20, 26, 23, 0.4);
}

/* --- Dark: night site, lamps on ---------------------------------------- */
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface: #0f1411;
  --surface-2: #161d19;
  --surface-3: #1f2823;
  --surface-ink: #0a0e0c;
  --text: #e7e7e1;
  --text-muted: #96a099;
  --text-faint: #6b7871;
  --line: rgba(231, 231, 225, 0.16);
  --line-soft: rgba(231, 231, 225, 0.08);
  --accent: #6dbe52;
  --accent-ink: #0a0e0c;
  --m-left: #3d8d2a;
  --m-right: #6bbb4f;
  --m-edge: #55a53c;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 34px -20px rgba(0, 0, 0, 0.8);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface: #0f1411;
    --surface-2: #161d19;
    --surface-3: #1f2823;
    --surface-ink: #0a0e0c;
    --text: #e7e7e1;
    --text-muted: #96a099;
    --text-faint: #6b7871;
    --line: rgba(231, 231, 225, 0.16);
    --line-soft: rgba(231, 231, 225, 0.08);
    --accent: #6dbe52;
    --accent-ink: #0a0e0c;
    --m-left: #3d8d2a;
    --m-right: #6bbb4f;
    --m-edge: #55a53c;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 34px -20px rgba(0, 0, 0, 0.8);
  }
}

/* =========================================================================
   Base
   ========================================================================= */

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

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

body {
  margin: 0;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.08; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

button, input, select, textarea { font: inherit; color: inherit; }

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.shell {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
}

.u-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  inset-block-start: -100%;
  inset-inline-start: var(--gutter);
  z-index: 100;
  padding: 0.7rem 1.1rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  border-radius: 0 0 var(--r) var(--r);
  text-decoration: none;
}
.skip:focus { inset-block-start: 0; }

/* =========================================================================
   Type roles
   Archivo carries the Latin display voice at an expanded width, which reads
   like site signage. Arabic has no Archivo, so it falls back to Plex Arabic
   at its heaviest weight - and never gets letter-spacing, which would break
   the joins.
   ========================================================================= */

.hero__title,
.pagehead__title,
.band__title,
.closing__title,
.lost__title,
.stagecol__name,
.stageset__name,
.capability__name,
.figure__value {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 112, "wght" 780;
  font-weight: 780;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

html[dir="rtl"] .hero__title,
html[dir="rtl"] .pagehead__title,
html[dir="rtl"] .band__title,
html[dir="rtl"] .closing__title,
html[dir="rtl"] .lost__title,
html[dir="rtl"] .stagecol__name,
html[dir="rtl"] .stageset__name,
html[dir="rtl"] .capability__name {
  font-family: var(--font-body);
  font-weight: 700;
  font-variation-settings: normal;
  letter-spacing: 0;
  line-height: 1.32;
}

/* Plex Arabic sets much larger on the body than Archivo does at the same
   nominal size, so the Arabic display ramp runs a step below the Latin one. */
html[dir="rtl"] .hero__title { font-size: clamp(1.95rem, 4.4vw, 3.5rem); }
html[dir="rtl"] .pagehead__title { font-size: clamp(1.7rem, 3.6vw, 2.75rem); }
html[dir="rtl"] .band__title { font-size: clamp(1.45rem, 2.4vw, 2rem); }
html[dir="rtl"] .closing__title { font-size: clamp(1.35rem, 2.2vw, 1.85rem); }
html[dir="rtl"] .lost__title { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
html[dir="rtl"] .capability__name { font-size: clamp(1.35rem, 2.2vw, 1.8rem); }
html[dir="rtl"] .stageset__name { font-size: 1.25rem; }
html[dir="rtl"] .stagecol__name { font-size: 1.1rem; }

.eyebrow,
.nav__sheet,
.figure__label,
.stagecol__id,
.svc__id,
.phase__n,
.capability__index,
.stageset__count,
.colophon__title,
.colophon__set,
.rform__legend,
.pick__id,
.disc__more,
.chip__n,
.field__hint,
.tower__readout,
.catalogue__hint,
.legend {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Plex Mono carries no Arabic, and the fallback breaks the joins. In RTL the
   mono role keeps only the parts that are pure numerals or Latin codes; the
   words go back to Plex Arabic. */
html[dir="rtl"] .eyebrow,
html[dir="rtl"] .figure__label,
html[dir="rtl"] .stageset__count,
html[dir="rtl"] .colophon__title,
html[dir="rtl"] .colophon__set,
html[dir="rtl"] .rform__legend,
html[dir="rtl"] .rform__aside-title,
html[dir="rtl"] .field__hint,
html[dir="rtl"] .disc__more,
html[dir="rtl"] .tower__readout,
html[dir="rtl"] .catalogue__hint,
html[dir="rtl"] .legend,
html[dir="rtl"] .disclose__hint {
  font-family: var(--font-body);
  letter-spacing: 0;
}
html[dir="rtl"] .eyebrow__sheet,
html[dir="rtl"] .rform__legend span {
  font-family: var(--font-mono);
}

/* Latin-only tracking: Arabic must stay unspaced. */
html[dir="ltr"] .eyebrow,
html[dir="ltr"] .figure__label,
html[dir="ltr"] .colophon__title,
html[dir="ltr"] .rform__legend,
html[dir="ltr"] .disc__more,
html[dir="ltr"] .stageset__count {
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.eyebrow__sheet {
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--accent);
  letter-spacing: 0.06em;
}

/* =========================================================================
   The mark
   ========================================================================= */

/* The mark is far taller than it is wide, so every instance is sized by
   height and lets the width follow. */
.mark { height: 100%; width: auto; overflow: visible; }
.tile { fill: var(--m-right); }
.tile--left { fill: var(--m-left); }
.tile--edge { fill: var(--m-edge); }
/* The supplied logo is mottled, not flat: tiles sit a shade off their wall. */
.tile--tone1 { filter: brightness(1.06); }
.tile--tone2 { filter: brightness(0.94); }
.tile--clay { fill: var(--clay); }
.tile--amber { fill: var(--amber); }
.tile--ochre { fill: var(--ochre); }
.tile--lime { fill: #84c93f; }
.tile--stray { opacity: 0.5; }

/* The supplied logo, shipped in a light-surface and a dark-surface cut. Sized
   by height so the mark and wordmark keep their given proportions. */
.lockup { display: inline-flex; align-items: center; }
.lockup__img { height: 2.3rem; width: auto; flex: none; }
.lockup__img--dark { display: none; }

:root[data-theme="dark"] .lockup__img--light { display: none; }
:root[data-theme="dark"] .lockup__img--dark { display: block; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .lockup__img--light { display: none; }
  :root:not([data-theme="light"]) .lockup__img--dark { display: block; }
  :root[data-theme="light"] .lockup__img--light { display: block; }
  :root[data-theme="light"] .lockup__img--dark { display: none; }
}

@media (max-width: 26rem) { .lockup__img { height: 2rem; } }

/* =========================================================================
   Buttons
   ========================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.78rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--r);
  font-weight: 600;
  font-size: 0.97rem;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease),
    border-color 0.18s var(--ease), transform 0.18s var(--ease);
}
.btn--lg { padding: 0.95rem 1.7rem; font-size: 1.03rem; }

.btn--solid { background: var(--accent); color: var(--accent-ink); }
.btn--solid:hover { background: var(--text); color: var(--surface); }

.btn--ghost { border-color: var(--line); color: var(--text); }
.btn--ghost:hover { border-color: var(--text); background: var(--surface-2); }

.btn:active { transform: translateY(1px); }

/* =========================================================================
   Masthead
   ========================================================================= */

.masthead {
  position: sticky;
  inset-block-start: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  border-block-end: 1px solid var(--line-soft);
}
.masthead__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.5rem;
}
.masthead__brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  margin-inline-end: auto;
}
.masthead__tagline {
  display: none;
  padding-inline-start: 0.9rem;
  border-inline-start: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--text-muted);
  max-width: 12rem;
  line-height: 1.3;
}
@media (min-width: 60rem) { .masthead__tagline { display: block; } }

.nav { display: flex; align-items: center; gap: 0.15rem; }
.nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.42rem;
  padding: 0.5rem 0.7rem;
  border-radius: var(--r);
  font-size: 0.93rem;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
  color: var(--text-muted);
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease);
}
/* The sheet reference is wayfinding, not decoration - drop it before the
   labels themselves start to crowd. */
@media (min-width: 64rem) and (max-width: 80rem) {
  .nav__sheet { display: none; }
}
.nav__link:hover { color: var(--text); background: var(--surface-2); }
.nav__link.is-current { color: var(--text); }
.nav__sheet {
  font-size: 0.62rem;
  color: var(--text-faint);
  transition: color 0.16s var(--ease);
}
.nav__link.is-current .nav__sheet { color: var(--accent); }

.nav__utils {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-inline-start: 0.75rem;
  padding-inline-start: 0.75rem;
  border-inline-start: 1px solid var(--line);
}
.nav__lang {
  padding: 0.4rem 0.6rem;
  border-radius: var(--r);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-muted);
}
.nav__lang:hover { color: var(--text); background: var(--surface-2); }

.nav__theme {
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  padding: 0;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--r);
  cursor: pointer;
}
.nav__theme:hover { border-color: var(--text); }
/* A tile, half in shadow. The lit half swaps with the theme. */
.nav__theme-dot {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 2px;
  border: 1.5px solid var(--text);
  background: linear-gradient(to right, var(--text) 50%, transparent 50%);
}
:root[data-theme="dark"] .nav__theme-dot {
  background: linear-gradient(to left, var(--text) 50%, transparent 50%);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .nav__theme-dot {
    background: linear-gradient(to left, var(--text) 50%, transparent 50%);
  }
  :root[data-theme="dark"] .nav__theme-dot {
    background: linear-gradient(to left, var(--text) 50%, transparent 50%);
  }
}

.masthead__menu {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  padding: 0;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--r);
  cursor: pointer;
}
.masthead__menu-bars { display: grid; gap: 4px; width: 1.05rem; }
.masthead__menu-bars i { display: block; height: 2px; background: var(--text); }

@media (max-width: 63.99rem) {
  .nav {
    position: fixed;
    inset: 4.5rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem var(--gutter) 1.5rem;
    background: var(--surface);
    border-block-end: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__link { padding: 0.75rem 0.25rem; font-size: 1.05rem; border-block-end: 1px solid var(--line-soft); border-radius: 0; }
  .nav__utils {
    margin: 1rem 0 0;
    padding: 0;
    border: 0;
    justify-content: space-between;
  }
  .nav__cta { flex: 1; margin-inline-start: 0.5rem; }
}
@media (min-width: 64rem) { .masthead__menu { display: none; } }

/* =========================================================================
   Hero
   ========================================================================= */

.hero { padding-block: clamp(2.5rem, 6vw, 5rem) 0; }
.hero__inner {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (min-width: 64rem) {
  .hero__inner { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); }
}

.hero__title {
  font-size: clamp(2.2rem, 5.2vw, 4.2rem);
  margin-block-end: 1.5rem;
}
.hero__line { display: block; }
.hero__line:last-child { color: var(--accent); }

.hero__lead {
  max-width: 34rem;
  font-size: clamp(1.02rem, 1.35vw, 1.16rem);
  color: var(--text-muted);
  margin-block-end: 2rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero__tower { margin: 0; display: flex; flex-direction: column; align-items: center; }
.tower {
  height: min(58vh, 30rem);
  width: auto;
  max-width: 100%;
}
@media (max-width: 40rem) { .tower { height: min(46vh, 22rem); } }
.hero__caption {
  margin-block-start: 1.5rem;
  padding-block-start: 1rem;
  border-block-start: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  font-size: 0.86rem;
  color: var(--text-muted);
}
.tower__readout {
  font-size: 0.78rem;
  color: var(--accent);
  min-height: 1.2em;
}
.tower__readout:empty::before { content: ""; }

/* Assembly: the tower goes up from the ground, one course at a time. */
@keyframes tile-set {
  from { opacity: 0; transform: translateY(10px) scale(0.7); }
  to { opacity: 1; transform: none; }
}
.tower .tile {
  transform-box: fill-box;
  transform-origin: center;
  animation: tile-set 0.55s var(--ease) backwards;
  animation-delay: calc(var(--i) * 11ms);
}
.tower .tile--stray { animation-delay: calc(var(--i) * 11ms + 320ms); }

.tile--service { cursor: pointer; transition: filter 0.16s var(--ease); }
.tile--service:hover,
.tile--service:focus-visible { filter: brightness(1.35); outline: none; }
.tile--service.is-lit { filter: brightness(1.35); }
.tower.is-filtered .tile--service { opacity: 0.25; }
.tower.is-filtered .tile--service.is-on { opacity: 1; filter: brightness(1.25); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tower .tile { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* Counts under the hero */
.hero__figures {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-block-start: clamp(3rem, 6vw, 5rem);
  background: var(--line);
  border-block: 1px solid var(--line);
}
@media (min-width: 48rem) { .hero__figures { grid-template-columns: repeat(4, 1fr); } }
.figure {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.4rem 1.2rem;
  background: var(--surface);
}
.figure__value { font-size: clamp(2rem, 4vw, 3rem); line-height: 1; }
.figure__label { font-size: 0.7rem; color: var(--text-muted); }

/* =========================================================================
   Section shell
   ========================================================================= */

.band { padding-block: var(--step); }
.band--stages { border-block-start: 1px solid var(--line-soft); }
.band__head { max-width: 46rem; margin-block-end: clamp(2rem, 4vw, 3.25rem); }
.band__title { font-size: clamp(1.65rem, 3.2vw, 2.6rem); margin-block-end: 0.9rem; }
.band__lead { color: var(--text-muted); font-size: 1.03rem; }

.band__split { display: grid; gap: clamp(2rem, 4vw, 4rem); }
@media (min-width: 64rem) {
  .band__split { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); }
  .band__head--sticky { position: sticky; inset-block-start: 7rem; align-self: start; margin-block-end: 0; }
}

.band__more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-block-start: 2rem;
  padding-block-end: 0.2rem;
  border-block-end: 1px solid var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.band__more::after { content: "→"; transition: transform 0.18s var(--ease); }
html[dir="rtl"] .band__more::after { content: "←"; }
.band__more:hover::after { transform: translateX(3px); }
html[dir="rtl"] .band__more:hover::after { transform: translateX(-3px); }

/* =========================================================================
   Four stages, seven services each - the client's own delivery chart
   ========================================================================= */

.stages {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
@media (min-width: 46rem) { .stages { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 72rem) { .stages { grid-template-columns: repeat(4, 1fr); } }

.stagecol {
  --stage: var(--leaf);
  display: flex;
  flex-direction: column;
  padding: 1.6rem 1.4rem 1.8rem;
  background: var(--surface);
  border-block-start: 3px solid var(--stage);
}
.stagecol--clay { --stage: var(--clay); }
.stagecol--amber { --stage: var(--amber); }
.stagecol--ochre { --stage: var(--ochre); }
.stagecol--leaf { --stage: var(--leaf); }

.stagecol__head { display: flex; align-items: baseline; gap: 0.7rem; margin-block-end: 0.8rem; }
.stagecol__n {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  line-height: 1;
  color: var(--stage);
}
.stagecol__name { font-size: 1.22rem; }
.stagecol__lead {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-block-end: 1.3rem;
  padding-block-end: 1.3rem;
  border-block-end: 1px solid var(--line-soft);
}
.stagecol__services { display: grid; gap: 0.62rem; }
.stagecol__service {
  display: flex;
  gap: 0.6rem;
  font-size: 0.92rem;
  line-height: 1.4;
}
.stagecol__id { font-size: 0.72rem; color: var(--text-faint); padding-block-start: 0.18em; }

/* =========================================================================
   Disciplines
   ========================================================================= */

.discs { display: grid; gap: 1.25rem; }
@media (min-width: 52rem) { .discs { grid-template-columns: repeat(3, 1fr); } }

.disc__link {
  display: grid;
  height: 100%;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface-2);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.disc__link:hover { border-color: var(--accent); transform: translateY(-3px); }

.disc__media { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--surface-3); }
.disc__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.disc__link:hover .disc__media img { transform: scale(1.04); }

.disc__body { display: flex; flex-direction: column; gap: 0.55rem; padding: 1.3rem 1.35rem 1.5rem; }
.disc__name { font-size: 1.12rem; font-weight: 600; }
.disc__summary { font-size: 0.92rem; color: var(--text-muted); flex: 1; }
.disc__more { font-size: 0.68rem; color: var(--accent); margin-block-start: 0.4rem; }

/* =========================================================================
   Commitments
   ========================================================================= */

.rules { display: grid; gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
.rule { padding: 1.6rem 0.1rem; background: var(--surface); }
@media (min-width: 46rem) { .rule { padding-inline: 0 2rem; } }
.rule__name {
  position: relative;
  font-size: 1.1rem;
  margin-block-end: 0.5rem;
  padding-inline-start: 1.15rem;
}
.rule__name::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.42em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 2px;
  background: var(--accent);
}
.rule__note { color: var(--text-muted); font-size: 0.97rem; padding-inline-start: 1.15rem; }

/* =========================================================================
   Closing call to action
   ========================================================================= */

.closing {
  padding-block: var(--step);
  background: var(--surface-ink);
  color: var(--slab);
}
:root[data-theme="dark"] .closing { border-block-start: 1px solid var(--line); }
.closing__inner {
  display: grid;
  gap: 1.8rem;
  align-items: center;
}
@media (min-width: 56rem) {
  .closing__inner { grid-template-columns: minmax(0, 1fr) auto; gap: 3rem; }
}
.closing__title { font-size: clamp(1.5rem, 3vw, 2.35rem); margin-block-end: 0.8rem; }
.closing__lead { color: rgba(231, 231, 225, 0.7); max-width: 40rem; }
.closing .btn--solid { background: var(--leaf); color: #0a0e0c; }
.closing .btn--solid:hover { background: var(--slab); color: var(--ink); }

/* =========================================================================
   Page header
   ========================================================================= */

.pagehead {
  padding-block: clamp(2.75rem, 6vw, 5rem) clamp(2rem, 4vw, 3.5rem);
  border-block-end: 1px solid var(--line);
}
.pagehead__inner { max-width: 52rem; }
.pagehead__title { font-size: clamp(2rem, 5vw, 3.7rem); margin-block-end: 1.2rem; }
.pagehead__lead { color: var(--text-muted); font-size: clamp(1rem, 1.3vw, 1.13rem); }

/* =========================================================================
   Service catalogue
   ========================================================================= */

.catalogue { padding-block: var(--step-sm) var(--step); }
.catalogue__inner { display: grid; gap: clamp(2rem, 4vw, 3.5rem); }
@media (min-width: 68rem) {
  .catalogue__inner { grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr); align-items: start; }
  .catalogue__aside { position: sticky; inset-block-start: 6.5rem; }
}
.catalogue__tower { margin: 0; display: flex; flex-direction: column; align-items: center; }
.tower--index { height: min(60vh, 28rem); }
.catalogue__hint {
  margin-block-start: 1.2rem;
  padding-block-start: 0.9rem;
  border-block-start: 1px solid var(--line);
  display: grid;
  gap: 0.35rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-block-end: 2.5rem; }
.chip {
  --stage: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--r);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}
.chip--clay { --stage: var(--clay); }
.chip--amber { --stage: var(--amber); }
.chip--ochre { --stage: var(--ochre); }
.chip--leaf { --stage: var(--leaf); }
.chip__n { font-size: 0.72rem; color: var(--stage); }
.chip:hover { border-color: var(--text); }
.chip.is-on { border-color: var(--stage); background: color-mix(in srgb, var(--stage) 12%, transparent); }

.stageset { margin-block-end: 3rem; }
.stageset[hidden] { display: none; }
.stageset__head {
  --stage: var(--leaf);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1rem;
  align-items: start;
  padding-block-end: 1.1rem;
  margin-block-end: 1.5rem;
  border-block-end: 2px solid var(--stage);
}
.stageset--clay .stageset__head { --stage: var(--clay); }
.stageset--amber .stageset__head { --stage: var(--amber); }
.stageset--ochre .stageset__head { --stage: var(--ochre); }
.stageset--leaf .stageset__head { --stage: var(--leaf); }
.stageset__n {
  font-family: var(--font-mono);
  font-size: 2rem;
  line-height: 0.9;
  color: var(--stage);
}
.stageset__name { font-size: 1.4rem; margin-block-end: 0.35rem; }
.stageset__lead { font-size: 0.93rem; color: var(--text-muted); max-width: 42rem; }
.stageset__count {
  grid-column: 2;
  font-size: 0.68rem;
  color: var(--text-faint);
}
@media (min-width: 40rem) {
  .stageset__head { grid-template-columns: auto 1fr auto; }
  .stageset__count { grid-column: 3; grid-row: 1; }
}

.svcs { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
@media (min-width: 44rem) { .svcs { grid-template-columns: repeat(2, 1fr); } }

.svc {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 0.8rem;
  padding: 1.15rem 1.25rem 1.3rem;
  background: var(--surface);
  transition: background-color 0.16s var(--ease);
}
.svc.is-lit { background: var(--surface-2); }
.svc__id { grid-row: 1 / 3; font-size: 0.72rem; color: var(--text-faint); padding-block-start: 0.3em; }
.svc__name { font-size: 1.02rem; font-weight: 600; }
.svc__note { font-size: 0.9rem; color: var(--text-muted); line-height: 1.5; }

.catalogue__cta {
  display: grid;
  gap: 1.1rem;
  justify-items: start;
  padding-block-start: 2rem;
  border-block-start: 1px solid var(--line);
  color: var(--text-muted);
}

/* =========================================================================
   Disciplines detail
   ========================================================================= */

.capabilities { padding-block: var(--step-sm) var(--step); }
.capability {
  --stage: var(--leaf);
  display: grid;
  gap: clamp(1.6rem, 3.5vw, 3.5rem);
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-block-end: 1px solid var(--line);
  scroll-margin-block-start: 6rem;
}
.capability:last-child { border-block-end: 0; }
.capability--clay { --stage: var(--clay); }
.capability--amber { --stage: var(--amber); }
.capability--ochre { --stage: var(--ochre); }
@media (min-width: 60rem) {
  .capability { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; }
  .capability--flip .capability__media { order: 2; }
}

.capability__media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface-3);
}
.capability__media img { width: 100%; height: 100%; object-fit: cover; }
.capability__index {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  padding: 0.5rem 0.85rem;
  background: var(--stage);
  color: #fff;
  font-size: 0.8rem;
  border-end-end-radius: var(--r);
}

.capability__name { font-size: clamp(1.5rem, 2.8vw, 2.2rem); margin-block-end: 0.7rem; }
.capability__summary { color: var(--stage); font-weight: 600; margin-block-end: 1rem; }
.capability__text { color: var(--text-muted); margin-block-end: 1.5rem; }
.capability__points { display: grid; gap: 0.7rem; margin-block-end: 1.6rem; }
.capability__points li {
  position: relative;
  padding-inline-start: 1.35rem;
  font-size: 0.96rem;
}
.capability__points li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.5em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 2px;
  background: var(--stage);
}
.capability__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  padding-block-end: 0.2rem;
  border-block-end: 1px solid var(--stage);
}

/* =========================================================================
   Programme
   ========================================================================= */

.programme { padding-block: var(--step-sm) var(--step); }
.legend { display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem; margin-block-end: 2.5rem; font-size: 0.75rem; color: var(--text-muted); }
.legend__item { --stage: var(--leaf); display: inline-flex; align-items: center; gap: 0.5rem; }
.legend__item--clay { --stage: var(--clay); }
.legend__item--amber { --stage: var(--amber); }
.legend__item--ochre { --stage: var(--ochre); }
.legend__swatch { width: 0.7rem; height: 0.7rem; border-radius: 2px; background: var(--stage); }

.phases { display: grid; }
.phase {
  --stage: var(--leaf);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1.25rem;
  padding-block: 1.5rem;
  border-block-start: 1px solid var(--line);
  align-items: start;
}
.phase:last-child { border-block-end: 1px solid var(--line); }
.phase--clay { --stage: var(--clay); }
.phase--amber { --stage: var(--amber); }
.phase--ochre { --stage: var(--ochre); }

.phase__n {
  position: relative;
  font-size: 1.05rem;
  color: var(--stage);
  padding-inline-start: 1rem;
}
.phase__n::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.35em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 2px;
  background: var(--stage);
}
.phase__name { font-size: 1.12rem; font-weight: 600; margin-block-end: 0.3rem; }
.phase__note { color: var(--text-muted); font-size: 0.96rem; max-width: 44rem; }
.phase__stage {
  grid-column: 2;
  font-size: 0.78rem;
  color: var(--stage);
  text-decoration: none;
  border-block-end: 1px solid transparent;
  justify-self: start;
}
.phase__stage:hover { border-block-end-color: currentColor; }
@media (min-width: 52rem) {
  .phase { grid-template-columns: auto 1fr auto; }
  .phase__stage { grid-column: 3; grid-row: 1; align-self: center; }
}

/* =========================================================================
   Practice
   ========================================================================= */

.practice { display: grid; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
@media (min-width: 60rem) { .practice { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); } }
.practice__text { display: grid; gap: 1.2rem; font-size: 1.05rem; color: var(--text-muted); }
.practice__media { margin: 0; border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 3 / 2; background: var(--surface-3); }
.practice__media img { width: 100%; height: 100%; object-fit: cover; }

.whos { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
@media (min-width: 44rem) { .whos { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 68rem) { .whos { grid-template-columns: repeat(4, 1fr); } }
.who { padding: 1.5rem 1.35rem 1.7rem; background: var(--surface); }
.who__name { font-size: 1.05rem; margin-block-end: 0.5rem; }
.who__note { font-size: 0.92rem; color: var(--text-muted); }

/* =========================================================================
   Request form
   ========================================================================= */

.requestwrap { padding-block: var(--step-sm) var(--step); }
.requestwrap__inner { display: grid; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }
@media (min-width: 68rem) {
  .requestwrap__inner { grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr); }
  .rform__aside { position: sticky; inset-block-start: 6.5rem; }
}

.notice {
  padding: 1.4rem 1.5rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  margin-block-end: 2rem;
}
.notice[hidden] { display: none; }
.notice--good { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.notice--bad { border-color: var(--clay); background: color-mix(in srgb, var(--clay) 10%, transparent); }
.notice__title { font-size: 1.15rem; margin-block-end: 0.4rem; }
.notice__body { color: var(--text-muted); font-size: 0.97rem; }

.rform__trap { position: absolute; inset-inline-start: -9999px; width: 1px; height: 1px; opacity: 0; }

.rform__set { border: 0; padding: 0; margin: 0 0 2.5rem; }
.rform__legend {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  padding: 0 0 0.9rem;
  margin-block-end: 1.5rem;
  border-block-end: 1px solid var(--line);
  font-size: 0.74rem;
  color: var(--text-muted);
}
.rform__legend span { color: var(--accent); }

.rform__row { display: grid; gap: 1.25rem; }
@media (min-width: 40rem) { .rform__row { grid-template-columns: repeat(2, 1fr); } }

.field { margin-block-end: 1.25rem; }
.field__label { display: block; font-size: 0.9rem; font-weight: 600; margin-block-end: 0.45rem; }
.field__req {
  display: inline-block;
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 1px;
  background: var(--accent);
  vertical-align: 0.35em;
  margin-inline-start: 0.35rem;
}
.field__hint { font-size: 0.72rem; color: var(--text-faint); margin-block-start: 0.35rem; }
.field__error { font-size: 0.83rem; color: var(--clay); margin-block-start: 0.4rem; font-weight: 500; }
:root[data-theme="dark"] .field__error { color: #e07a58; }

.input {
  width: 100%;
  padding: 0.72rem 0.9rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}
.input:hover { border-color: var(--text-faint); }
.input:focus { outline: none; border-color: var(--accent); background: var(--surface); }
.input--area { resize: vertical; min-height: 8rem; line-height: 1.6; }
.field--bad .input { border-color: var(--clay); }

select.input {
  appearance: none;
  padding-inline-end: 2.2rem;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  background-position: right 1rem center, right calc(1rem - 5px) center;
}
html[dir="rtl"] select.input { background-position: left calc(1rem - 5px) center, left 1rem center; }

.picks { display: grid; gap: 0.6rem; }
.picks--inline { grid-auto-flow: column; grid-auto-columns: max-content; gap: 1.2rem; }
@media (max-width: 32rem) { .picks--inline { grid-auto-flow: row; } }
.picks--stages { gap: 0.5rem; }
@media (min-width: 40rem) { .picks--stages { grid-template-columns: repeat(2, 1fr); } }
.picks--tight { gap: 0.4rem; }

.pick { display: flex; align-items: flex-start; gap: 0.6rem; cursor: pointer; font-size: 0.95rem; line-height: 1.45; }
.pick input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.pick__box {
  flex: none;
  width: 1.15rem;
  height: 1.15rem;
  margin-block-start: 0.12rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface-2);
  display: grid;
  place-items: center;
  transition: border-color 0.15s var(--ease), background-color 0.15s var(--ease);
}
.pick__box--round { border-radius: 50%; }
.pick:hover .pick__box { border-color: var(--text-faint); }
.pick input:focus-visible + .pick__box { outline: 2px solid var(--accent); outline-offset: 2px; }
.pick input:checked + .pick__box { background: var(--accent); border-color: var(--accent); }
.pick input:checked + .pick__box::after {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 1px;
  background: var(--accent-ink);
}
.pick__box--round::after { border-radius: 50% !important; }
.pick--stage { --stage: var(--leaf); }
.pick--clay { --stage: var(--clay); }
.pick--amber { --stage: var(--amber); }
.pick--ochre { --stage: var(--ochre); }
.pick--stage input:checked + .pick__box { background: var(--stage); border-color: var(--stage); }
.pick--sm { font-size: 0.87rem; }
.pick__id { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-faint); margin-inline-end: 0.45rem; }
.pick--consent { margin-block-start: 0.5rem; }

.disclose {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-block-start: 1.5rem;
}
.disclose__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.8rem;
  padding: 0.95rem 1.15rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.93rem;
  background: var(--surface-2);
  list-style: none;
}
.disclose__summary::-webkit-details-marker { display: none; }
.disclose__summary::after { content: "+"; margin-inline-start: auto; font-family: var(--font-mono); color: var(--accent); }
.disclose[open] .disclose__summary::after { content: "–"; }
.disclose__hint { font-size: 0.72rem; font-weight: 400; color: var(--text-faint); }
.disclose__body { display: grid; gap: 1.4rem; padding: 1.3rem 1.15rem 1.5rem; }
@media (min-width: 52rem) { .disclose__body { grid-template-columns: repeat(2, 1fr); } }
.picks__group { --stage: var(--leaf); }
.picks__group--clay { --stage: var(--clay); }
.picks__group--amber { --stage: var(--amber); }
.picks__group--ochre { --stage: var(--ochre); }
.picks__group-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--stage);
  margin-block-end: 0.6rem;
  padding-block-end: 0.4rem;
  border-block-end: 1px solid var(--line-soft);
}
.picks__group .pick input:checked + .pick__box { background: var(--stage); border-color: var(--stage); }

.rform__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.rform__legal { font-size: 0.78rem; color: var(--text-faint); }
.btn[aria-busy="true"] { opacity: 0.7; pointer-events: none; }

.rform__aside {
  padding: 1.5rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface-2);
}
.rform__aside-title { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); margin-block-end: 1rem; }
html[dir="ltr"] .rform__aside-title { letter-spacing: 0.11em; text-transform: uppercase; }
.rform__contacts { display: grid; gap: 0.5rem; font-size: 0.94rem; padding-block-end: 1.3rem; margin-block-end: 1.3rem; border-block-end: 1px solid var(--line); }
.rform__contacts a { text-decoration: none; border-block-end: 1px solid var(--line); }
.rform__contacts a:hover { border-block-end-color: var(--accent); color: var(--accent); }
/* Direct WhatsApp contact, kept separate from the email route. */
.wa {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease), background-color 0.16s var(--ease);
}
.wa:hover { border-color: #25d366; color: #25d366; background: color-mix(in srgb, #25d366 10%, transparent); }
.wa__icon { width: 1.15rem; height: 1.15rem; flex: none; color: #25d366; }
.wa__num { color: var(--text-muted); font-weight: 400; font-size: 0.82rem; }
.wa--block { display: flex; justify-content: center; margin-block-end: 1.3rem; }

.rform__rules { display: grid; gap: 1.1rem; }
.rform__rules li { display: grid; gap: 0.3rem; }
.rform__rules strong { font-size: 0.92rem; }
.rform__rules span { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* =========================================================================
   404
   ========================================================================= */

.lost { padding-block: clamp(3rem, 8vw, 7rem); }
.lost__inner { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 56rem) { .lost__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 0.5fr); } }
.lost__title { font-size: clamp(1.9rem, 4.5vw, 3.2rem); margin-block-end: 1rem; }
.lost__lead { color: var(--text-muted); margin-block-end: 2rem; max-width: 32rem; }
.lost__mark { height: min(40vh, 18rem); width: auto; margin-inline: auto; opacity: 0.55; }

/* =========================================================================
   Colophon
   ========================================================================= */

.colophon {
  padding-block: var(--step-sm) 1.5rem;
  border-block-start: 1px solid var(--line);
  background: var(--surface-2);
}
.colophon__inner { display: grid; gap: 2.5rem; padding-block-end: 2.5rem; }
@media (min-width: 52rem) { .colophon__inner { grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 0.8fr)); gap: 3rem; } }
.colophon__brand { display: grid; gap: 1.2rem; justify-items: start; }
.colophon__lockup .lockup__img { height: 2.9rem; }
.colophon__line { color: var(--text-muted); font-size: 0.95rem; max-width: 24rem; }
.colophon__title { font-size: 0.7rem; color: var(--text-faint); margin-block-end: 1rem; }
.colophon__list { display: grid; gap: 0.6rem; font-size: 0.94rem; }
.colophon__list a { display: inline-flex; gap: 0.6rem; text-decoration: none; color: var(--text-muted); }
.colophon__list a span { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-faint); }
.colophon__list a:hover { color: var(--text); }
.colophon__list--contact { color: var(--text-muted); margin-block-end: 1.1rem; }
.colophon__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-block-start: 1.3rem;
  border-block-start: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--text-faint);
}
.colophon__set { font-size: 0.68rem; }