/* =========================================================================
   HERITAGE — Story Driven
   JC Goodworks customer-site template concept (heritage@0.1.0-concept)

   Warm, narrative, photography-led. The signature is the build-story
   timeline: a sticky rail that fills as the story is read, over chapters
   that are ordinary readable prose with or without JavaScript.
   ========================================================================= */

:root {
  /* --- BrandProfile tokens --- */
  --brand-primary:    #26402f;   /* racing green */
  --brand-secondary:  #6b5b47;   /* stone brown */
  --brand-accent:     #8a5a20;   /* deep bronze — text-safe on cream */
  --brand-background: #f5f0e6;   /* linen */
  --brand-surface:    #fbf8f1;
  --brand-text:       #241f1a;   /* carbon */
  --brand-heading-font: Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
  --brand-body-font:  ui-sans-serif, system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --c-bg:      var(--brand-background);
  --c-surface: var(--brand-surface);
  --c-text:    var(--brand-text);
  --c-muted:   color-mix(in srgb, var(--brand-text) 66%, var(--brand-background));
  --c-line:    color-mix(in srgb, var(--brand-text) 18%, var(--brand-background));
  --c-line-strong: color-mix(in srgb, var(--brand-text) 38%, var(--brand-background));
  --c-on-primary: var(--brand-background);
  --hero-scrim: 36 31 26;

  --t-fast: 180ms; --t-med: 420ms; --t-slow: 900ms;
  --ease: cubic-bezier(.2,.6,.2,1);

  --shell: 1180px;
  --gutter: clamp(1.15rem, 4vw, 3.5rem);
  --r-sm: 2px;
  --step-0: clamp(1.02rem, .98rem + .2vw, 1.1rem);
  --step-1: clamp(1.2rem, 1.08rem + .6vw, 1.5rem);
  --step-2: clamp(1.8rem, 1.4rem + 1.6vw, 2.8rem);
  --step-3: clamp(2.2rem, 1.6rem + 2.6vw, 3.6rem);
  --step-4: clamp(2.8rem, 1.8rem + 5vw, 6rem);
}

html[data-theme="alt-a"] {
  --brand-primary:    #6b2321;
  --brand-secondary:  #7a6b56;
  --brand-accent:     #5f5340;
  --brand-background: #efe9df;
  --brand-surface:    #f8f4ec;
  --brand-text:       #1f1c19;
}
html[data-theme="alt-b"] {
  --brand-primary:    #c8b48a;
  --brand-secondary:  #6f6754;
  --brand-accent:     #d8a557;
  --brand-background: #17181a;
  --brand-surface:    #1f2124;
  --brand-text:       #f0ece3;
  --c-on-primary:     #17181a;
}

@media (prefers-reduced-motion: reduce) { :root { --t-fast: 0ms; --t-med: 0ms; --t-slow: 0ms; } }
html[data-motion="reduce"]              { --t-fast: 0ms; --t-med: 0ms; --t-slow: 0ms; }

/* ---------------------------------------------------------------- base -- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
html[data-motion="reduce"] { scroll-behavior: auto; }

body { margin: 0; background: var(--c-bg); color: var(--c-text); font-family: var(--brand-body-font); font-size: var(--step-0); line-height: 1.72; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3 { font-family: var(--brand-heading-font); font-weight: 400; line-height: 1.08; letter-spacing: -.012em; margin: 0; }
p { margin: 0 0 1.1rem; }
img, svg { display: block; max-width: 100%; }
a { color: var(--brand-accent); text-underline-offset: .22em; }
a:hover { color: var(--brand-primary); }
:focus-visible { outline: 3px solid var(--brand-primary); outline-offset: 3px; }
html[data-theme="alt-b"] :focus-visible { outline-color: var(--brand-accent); }

.shell { width: min(100% - (var(--gutter) * 2), var(--shell)); margin-inline: auto; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 1rem; top: -100px; z-index: 200; background: var(--brand-primary); color: var(--c-on-primary); padding: .8rem 1.2rem; font-weight: 700; text-decoration: none; transition: top var(--t-fast) var(--ease); }
.skip-link:focus { top: 1rem; }

.eyebrow { font-size: .7rem; letter-spacing: .34em; text-transform: uppercase; font-weight: 700; color: var(--brand-accent); margin: 0 0 1rem; }

/* --------------------------------------------------------------- buttons -- */
.btn {
  --btn-bg: transparent; --btn-fg: var(--c-text); --btn-bd: var(--c-line-strong);
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 50px; padding: .8rem 1.7rem; background: var(--btn-bg); color: var(--btn-fg);
  border: 1px solid var(--btn-bd); border-radius: var(--r-sm);
  font: inherit; font-weight: 600; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.btn--sm { min-height: 44px; padding: .55rem 1.2rem; font-size: .72rem; }
.btn--dark { --btn-bg: var(--brand-primary); --btn-fg: var(--c-on-primary); --btn-bd: var(--brand-primary); }
.btn--dark:hover { --btn-bg: color-mix(in srgb, var(--brand-primary) 82%, var(--c-text)); --btn-bd: var(--btn-bg); color: var(--c-on-primary); }
.btn--line { --btn-bd: var(--c-line-strong); }
.btn--line:hover { --btn-bd: var(--brand-primary); color: var(--brand-primary); }
.hero .btn--line { --btn-fg: #ffffff; --btn-bd: color-mix(in srgb, #ffffff 58%, transparent); }
.hero .btn--line:hover { --btn-bg: color-mix(in srgb, #ffffff 14%, transparent); color: #ffffff; }

/* ---------------------------------------------------------------- header -- */
.site-header { position: sticky; top: 0; z-index: 90; background: color-mix(in srgb, var(--c-bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--c-line); }
.site-header__inner { display: flex; align-items: center; gap: 1.5rem; min-height: 78px; }
.brandmark { display: flex; align-items: baseline; gap: .6rem; text-decoration: none; color: var(--c-text); margin-right: auto; }
.brandmark__name { font-family: var(--brand-heading-font); font-size: 1.5rem; letter-spacing: .14em; text-transform: uppercase; line-height: 1; margin: 0; }
.brandmark__sub { font-size: .6rem; letter-spacing: .3em; text-transform: uppercase; color: var(--c-muted); }

.primary-nav { display: flex; align-items: center; gap: 1.6rem; }
.primary-nav ul { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.primary-nav a { color: var(--c-text); text-decoration: none; font-size: .74rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; padding: .5rem 0; display: inline-block; border-bottom: 1px solid transparent; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { border-bottom-color: var(--brand-accent); }

.nav-toggle { display: none; align-items: center; gap: .55rem; min-height: 46px; padding: .5rem .9rem; background: none; border: 1px solid var(--c-line-strong); color: var(--c-text); font: inherit; font-size: .7rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; cursor: pointer; }
.nav-toggle__bars { display: grid; gap: 4px; }
.nav-toggle__bars i { display: block; width: 18px; height: 1px; background: currentColor; }
html:not(.js) .nav-toggle { display: none !important; }

@media (max-width: 900px) {
  html.js .nav-toggle { display: inline-flex; }
  html.js .primary-nav { position: fixed; inset: 78px 0 auto; z-index: 80; flex-direction: column; align-items: stretch; gap: 0; background: var(--c-surface); border-bottom: 1px solid var(--brand-accent); padding: .4rem var(--gutter) 1.8rem; transform: translateY(-120%); visibility: hidden; transition: transform var(--t-med) var(--ease), visibility var(--t-med); }
  html.js .primary-nav[data-open="true"] { transform: none; visibility: visible; }
  html.js .primary-nav ul { flex-direction: column; gap: 0; }
  html.js .primary-nav li + li { border-top: 1px solid var(--c-line); }
  html.js .primary-nav a { display: block; padding: 1rem 0; font-size: .95rem; border-bottom: 0; }
  html.js .nav-cta { margin-top: 1.1rem; align-self: start; }
  html:not(.js) .primary-nav { overflow-x: auto; }
  html:not(.js) .site-header__inner { flex-wrap: wrap; }
}

/* ------------------------------------------------------------------ hero -- */
.hero { position: relative; min-height: min(88vh, 860px); display: flex; align-items: flex-end; overflow: hidden; background: var(--brand-secondary); }
.hero__media { position: absolute; inset: 0; }
.hero__plate { width: 100%; height: 100%; }
.hero__scrim { position: absolute; inset: 0; background: linear-gradient(to right, rgb(var(--hero-scrim) / .85) 0%, rgb(var(--hero-scrim) / .55) 40%, rgb(var(--hero-scrim) / .05) 74%), linear-gradient(to top, rgb(var(--hero-scrim) / .8) 2%, transparent 46%); }
.hero__content { position: relative; z-index: 2; color: #fff; padding: clamp(5rem, 14vh, 9rem) 0 clamp(2.4rem, 6vh, 4rem); }
.hero .eyebrow { color: color-mix(in srgb, #ffffff 80%, transparent); }
.hero__title { font-size: var(--step-4); color: #fff; margin: 0 0 1.4rem; line-height: 1.02; }
.hero__lede { max-width: 42ch; color: color-mix(in srgb, #ffffff 88%, transparent); font-size: var(--step-1); line-height: 1.6; }
.hero__lede em { font-style: italic; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0 2.4rem; }
.hero__caption { font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: color-mix(in srgb, #ffffff 72%, transparent); margin: 0; }

/* -------------------------------------------------------------- sections -- */
.journey, .specs, .essay, .appearances, .partners, .journal, .contact { padding: clamp(3.6rem, 9vw, 7rem) 0; }
.section-head { margin-bottom: 2.8rem; max-width: 40ch; }
.section-head--centred { max-width: 52ch; margin-inline: auto; text-align: center; }
.section-head h2 { font-size: var(--step-2); }
.section-head__note { font-size: .84rem; color: var(--c-muted); margin: 1rem 0 0; }

/* --------------------------------------------------------------- journey -- */
.journey { background: var(--c-surface); border-block: 1px solid var(--c-line); }

.ticks { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; list-style: none; margin: 0 0 clamp(2.5rem, 6vw, 4.5rem); padding: 0; border-top: 1px solid var(--c-line-strong); }
@media (max-width: 800px) { .ticks { grid-auto-flow: row; border-top: 0; } }
.ticks button {
  display: block; width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  font: inherit; color: var(--c-muted); padding: 1.1rem 1rem 1.1rem 0; position: relative; min-height: 48px;
  transition: color var(--t-fast) var(--ease);
}
.ticks button::before { content: ""; position: absolute; left: 0; top: -5px; width: 9px; height: 9px; border-radius: 50%; background: var(--c-bg); border: 1px solid var(--c-line-strong); }
@media (max-width: 800px) { .ticks button { padding-left: 1.4rem; border-top: 1px solid var(--c-line); } .ticks button::before { top: 1.4rem; } }
.ticks li[aria-current="true"] button, .ticks button:hover { color: var(--c-text); }
.ticks li[aria-current="true"] button::before { background: var(--brand-accent); border-color: var(--brand-accent); }
.ticks__year { display: block; font-family: var(--brand-heading-font); font-size: 1.35rem; line-height: 1; margin-bottom: .35rem; }
.ticks__what { display: block; font-size: .78rem; letter-spacing: .04em; }

.chapters { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); }
@media (max-width: 860px) { .chapters { grid-template-columns: 1fr; } .rail { display: none; } }

.rail { position: sticky; top: 130px; height: 60vh; display: grid; grid-template-columns: 3px auto; gap: 1rem; align-content: start; }
.rail__track { position: relative; width: 3px; height: 100%; min-height: 48vh; background: var(--c-line); }
.rail__fill { position: absolute; inset: 0 0 auto; width: 100%; height: 0; background: var(--brand-accent); transition: height var(--t-med) linear; }
html:not(.js) .rail__fill { height: 100%; }
.rail__year { font-family: var(--brand-heading-font); font-size: 1.6rem; color: var(--c-muted); align-self: start; }

.chapter-list { list-style: none; margin: 0; padding: 0; counter-reset: chapter; }
.chapter { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: center; padding-block: clamp(2rem, 6vw, 4rem); border-bottom: 1px solid var(--c-line); }
.chapter:last-child { border-bottom: 0; }
@media (max-width: 720px) { .chapter { grid-template-columns: 1fr; } }
.chapter:nth-child(even) .chapter__media { order: 2; }
@media (max-width: 720px) { .chapter:nth-child(even) .chapter__media { order: 0; } }
.chapter__media { margin: 0; overflow: hidden; }
.chapter__media svg { width: 100%; height: auto; transition: transform 1.4s var(--ease); }
.chapter.is-active .chapter__media svg { transform: scale(1.02); }
.chapter__year { font-family: var(--brand-heading-font); font-size: 2.4rem; line-height: 1; color: var(--brand-accent); margin: 0 0 .6rem; }
.chapter__title { font-size: var(--step-1); margin-bottom: .9rem; }
.chapter__body p { color: var(--c-muted); max-width: 46ch; }
.chapter__note { font-size: .8rem; letter-spacing: .04em; color: var(--c-muted); border-top: 1px solid var(--c-line); padding-top: .8rem; margin-top: 1.2rem; }

/* ----------------------------------------------------------------- specs -- */
.specs { background: var(--c-bg); }
.specs__inner { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
@media (max-width: 860px) { .specs__inner { grid-template-columns: 1fr; } }
.specs__media { margin: 0; }
.specs__media svg { width: 100%; height: auto; }
.specs__body h2 { font-size: var(--step-2); margin-bottom: 1.6rem; }
.spec-table { margin: 0 0 1.4rem; border-top: 1px solid var(--c-line-strong); }
.spec-table > div { display: grid; grid-template-columns: 13rem minmax(0, 1fr); gap: 1rem; border-bottom: 1px solid var(--c-line); padding: .85rem 0; }
@media (max-width: 560px) { .spec-table > div { grid-template-columns: 1fr; gap: .2rem; } }
.spec-table dt { font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--c-muted); font-weight: 700; padding-top: .3rem; }
.spec-table dd { margin: 0; font-family: var(--brand-heading-font); font-size: 1.1rem; }
.spec-note { font-family: var(--brand-body-font); font-size: .76rem; color: var(--c-muted); letter-spacing: .02em; }
.specs__note { font-size: .86rem; color: var(--c-muted); max-width: 52ch; }

/* ----------------------------------------------------------------- essay -- */
.essay { background: var(--c-surface); border-block: 1px solid var(--c-line); }
.essay__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1rem, 3vw, 2rem); width: min(100% - (var(--gutter) * 2), 1400px); margin-inline: auto; }
@media (max-width: 760px) { .essay__grid { grid-template-columns: 1fr; } }
.essay__item { margin: 0; }
.essay__item--lead { grid-column: 1 / -1; }
.essay__item svg { width: 100%; height: auto; }
.essay__item figcaption { margin-top: .7rem; font-size: .76rem; letter-spacing: .08em; color: var(--c-muted); }

/* ----------------------------------------------------------- appearances -- */
.appearances { background: var(--c-bg); }
.appearances__inner { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 860px) { .appearances__inner { grid-template-columns: 1fr; } }
.appearances h2 { font-size: var(--step-2); margin-bottom: 1rem; }
.appearances__lede { color: var(--c-muted); max-width: 40ch; margin-bottom: 1.6rem; }
.app-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--c-line-strong); }
.app-list li { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: 1.4rem; align-items: baseline; border-bottom: 1px solid var(--c-line); padding: 1.2rem 0; }
.app-list__date b { display: block; font-family: var(--brand-heading-font); font-size: 1.9rem; line-height: 1; }
.app-list__date span { display: block; font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c-muted); margin-top: .3rem; }
.app-list__body { color: var(--c-muted); font-size: .92rem; }
.app-list__body b { display: block; color: var(--c-text); font-family: var(--brand-heading-font); font-size: 1.2rem; font-weight: 400; margin-bottom: .2rem; }

/* -------------------------------------------------------------- partners -- */
.partners { background: var(--c-surface); border-block: 1px solid var(--c-line); }
.partner-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1px; list-style: none; margin: 0; padding: 0; background: var(--c-line); border: 1px solid var(--c-line); }
.partner-grid li[data-tier="title"] { grid-column: 1 / -1; }
.sponsor { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; height: 100%; padding: var(--safe, 1.4rem 1.4rem); background: var(--c-surface); color: var(--c-text); text-decoration: none; transition: background var(--t-fast) var(--ease); }
.sponsor:hover { background: var(--c-bg); color: var(--brand-primary); }
.sponsor__mark { font-family: var(--brand-heading-font); letter-spacing: .06em; line-height: 1.15; overflow-wrap: anywhere; }
.sponsor__tier { display: block; font-size: .58rem; letter-spacing: .22em; text-transform: uppercase; color: var(--c-muted); margin-top: .6rem; font-weight: 700; }
.sponsor[data-tier="title"]     { --safe: 2.4rem 2rem; }
.sponsor[data-tier="title"] .sponsor__mark     { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
.sponsor[data-tier="premier"]   { --safe: 1.6rem 1.4rem; }
.sponsor[data-tier="premier"] .sponsor__mark   { font-size: clamp(1.15rem, 2vw, 1.5rem); }
.sponsor[data-tier="associate"] { --safe: 1.2rem 1rem; }
.sponsor[data-tier="associate"] .sponsor__mark { font-size: clamp(.95rem, 1.4vw, 1.12rem); }

/* --------------------------------------------------------------- journal -- */
.journal { background: var(--c-bg); }
.journal-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--c-line-strong); }
.journal-list a { display: grid; grid-template-columns: 12rem minmax(0, 1fr); gap: 1.6rem; padding: 1.6rem 0; border-bottom: 1px solid var(--c-line); text-decoration: none; color: var(--c-text); align-items: baseline; transition: background var(--t-fast) var(--ease); }
@media (max-width: 720px) { .journal-list a { grid-template-columns: 1fr; gap: .4rem; } }
.journal-list a:hover { background: var(--c-surface); }
.journal__date { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c-muted); }
.journal__title { display: block; font-family: var(--brand-heading-font); font-size: var(--step-1); margin-bottom: .5rem; }
.journal-list a:hover .journal__title { color: var(--brand-primary); text-decoration: underline; text-decoration-color: var(--brand-accent); text-underline-offset: .2em; }
.journal__excerpt { display: block; color: var(--c-muted); font-size: .92rem; max-width: 56ch; }

/* --------------------------------------------------------------- contact -- */
.contact { background: var(--brand-primary); color: var(--c-on-primary); }
.contact .eyebrow { color: color-mix(in srgb, var(--c-on-primary) 78%, var(--brand-primary)); }
.contact__inner { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2rem, 5vw, 4rem); }
@media (max-width: 860px) { .contact__inner { grid-template-columns: 1fr; } }
.contact h2 { font-size: var(--step-2); margin-bottom: 1rem; max-width: 20ch; }
.contact p { color: color-mix(in srgb, var(--c-on-primary) 82%, var(--brand-primary)); max-width: 44ch; }
.contact__list { margin: 0; }
.contact__list > div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; border-top: 1px solid color-mix(in srgb, var(--c-on-primary) 28%, transparent); padding: 1rem 0; }
.contact__list dt { font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: color-mix(in srgb, var(--c-on-primary) 74%, var(--brand-primary)); font-weight: 700; }
.contact__list dd { margin: 0; }
.contact__list a { color: var(--c-on-primary); }
.contact :focus-visible { outline-color: var(--c-on-primary); }

/* ----------------------------------------------------------- empty state -- */
.empty-state { border: 1px solid var(--c-line-strong); border-top: 3px solid var(--brand-accent); padding: clamp(1.7rem, 4vw, 2.6rem); background: var(--c-surface); max-width: 58ch; margin: 2rem auto 0; }
.empty-state--inline { margin-top: 0; }
.empty-state h3 { font-size: var(--step-1); margin-bottom: .7rem; }
.empty-state p { color: var(--c-muted); margin: 0; }

/* ---------------------------------------------------------------- footer -- */
.site-footer { background: var(--c-bg); border-top: 1px solid var(--c-line); padding: clamp(2.6rem, 6vw, 4rem) 0 2rem; }
.site-footer__inner { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) auto; gap: 2rem; align-items: start; }
@media (max-width: 860px) { .site-footer__inner { grid-template-columns: 1fr; } }
.site-footer__brand p { font-size: .84rem; color: var(--c-muted); margin: .6rem 0 0; max-width: 34ch; }
.site-footer__brand .brandmark__name { margin: 0; }
.site-footer__nav ul { display: grid; grid-template-columns: repeat(2, auto); gap: .55rem 2rem; list-style: none; margin: 0; padding: 0; }
.site-footer__nav a { color: var(--c-muted); text-decoration: none; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; }
.site-footer__nav a:hover { color: var(--brand-primary); }
.social { display: flex; gap: .55rem; list-style: none; margin: 0; padding: 0; }
.social a { display: flex; align-items: center; justify-content: center; width: 46px; height: 46px; border: 1px solid var(--c-line-strong); color: var(--c-text); }
.social a:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.social svg { width: 19px; height: 19px; }
.site-footer__legal { margin-top: 2.4rem; border-top: 1px solid var(--c-line); padding-top: 1.4rem; }
.site-footer__legal p { font-size: .76rem; color: var(--c-muted); margin: 0; }

/* -------------------------------------------------------------- reveals -- */
html.js[data-motion="full"] [data-reveal] { opacity: 0; transform: translateY(24px); }
html.js[data-motion="full"] [data-reveal].is-in { opacity: 1; transform: none; transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease); }

/* ------------------------------------------------- concept control panel -- */
.concept-controls { position: fixed; right: 1rem; bottom: 1rem; z-index: 150; }
.concept-controls__toggle { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: .6rem 1rem; background: var(--brand-primary); color: var(--c-on-primary); border: 1px solid var(--brand-primary); border-radius: 999px; font: inherit; font-size: .75rem; font-weight: 700; cursor: pointer; box-shadow: 0 10px 26px rgb(36 31 26 / .28); }
.concept-controls__panel { position: absolute; right: 0; bottom: calc(100% + .6rem); width: min(84vw, 280px); background: var(--c-surface); border: 1px solid var(--c-line-strong); padding: 1rem; display: grid; gap: .9rem; box-shadow: 0 20px 44px rgb(36 31 26 / .25); max-height: 70vh; overflow: auto; }
.concept-controls__title { font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--c-muted); margin: 0; }
.concept-controls fieldset { border: 0; border-top: 1px solid var(--c-line); margin: 0; padding: .7rem 0 0; display: grid; gap: .45rem; }
.concept-controls legend { font-size: .64rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c-muted); font-weight: 700; padding: 0; }
.concept-controls label { display: flex; align-items: center; gap: .55rem; font-size: .82rem; cursor: pointer; min-height: 28px; }
.concept-controls input { accent-color: var(--brand-primary); width: 18px; height: 18px; }
.concept-controls__hint { font-size: .7rem; color: var(--c-muted); line-height: 1.45; }
@media print { .concept-controls { display: none; } }

/* =========================================================================
   Build Story page (story.html) — long-form editorial on the same tokens.
   ========================================================================= */

.crumbs { border-bottom: 1px solid var(--c-line); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; margin: 0; padding: .9rem 0; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; }
.crumbs li + li::before { content: "/"; color: var(--c-muted); margin-right: .5rem; }
.crumbs a { color: var(--c-muted); text-decoration: none; }
.crumbs a:hover { color: var(--brand-primary); }
.crumbs [aria-current="page"] { color: var(--c-text); }

.story-hero { padding: clamp(3rem, 8vw, 6rem) 0 0; text-align: center; }
.story-hero__title { font-size: var(--step-3); margin: 0 auto 1.6rem; max-width: 18ch; }
.story-hero__standfirst { font-size: var(--step-1); color: var(--c-muted); max-width: 54ch; margin: 0 auto 1.6rem; line-height: 1.6; }
.story-hero__byline { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--c-muted); margin: 0 0 clamp(2.5rem, 6vw, 4rem); }
.story-hero__media { margin: 0; }
.story-hero__media svg { width: 100%; height: auto; }
.story-hero__media figcaption { width: min(100% - (var(--gutter) * 2), var(--shell)); margin: .7rem auto 0; font-size: .76rem; letter-spacing: .08em; color: var(--c-muted); }

.story { padding: clamp(3rem, 8vw, 5.5rem) 0; }
.story__grid { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
@media (max-width: 900px) { .story__grid { grid-template-columns: 1fr; } }
.story__nav { position: sticky; top: 100px; border-top: 1px solid var(--c-line-strong); padding-top: 1.2rem; }
@media (max-width: 900px) { .story__nav { position: static; } }
.story__nav-title { font-size: .7rem; letter-spacing: .24em; text-transform: uppercase; font-family: var(--brand-body-font); font-weight: 700; color: var(--c-muted); margin-bottom: 1rem; }
.story__nav ol { list-style: none; margin: 0 0 1.2rem; padding: 0; counter-reset: chap; display: grid; gap: .2rem; }
.story__nav li { counter-increment: chap; }
.story__nav a { display: block; padding: .5rem 0; color: var(--c-text); text-decoration: none; font-size: .9rem; border-bottom: 1px solid var(--c-line); }
.story__nav a::before { content: counter(chap) ". "; color: var(--brand-accent); }
.story__nav a:hover { color: var(--brand-primary); }
.story__nav-note { font-size: .74rem; color: var(--c-muted); margin: 0; }

.story__body { max-width: 68ch; }
.story__body section + section, .story__body section + .story__figure, .story__figure + section,
.story__quote + section, .story__body section + .story__quote { margin-top: clamp(2.2rem, 5vw, 3.4rem); }
.story__h { font-size: var(--step-2); margin-bottom: 1.2rem; }
.story__drop { font-size: var(--step-1); line-height: 1.6; }
.story__drop::first-letter { float: left; font-family: var(--brand-heading-font); font-size: 4.2rem; line-height: .78; padding: .1em .12em 0 0; color: var(--brand-primary); }
.story__body p { color: var(--c-muted); }
.story__body .story__drop { color: var(--c-text); }
.story__list { margin: 0 0 1.2rem; padding: 0 0 0 1.2rem; color: var(--c-muted); }
.story__list li { margin-bottom: .5rem; }
.story__figure { margin: 0; }
.story__figure svg { width: 100%; height: auto; }
.story__figure figcaption { margin-top: .7rem; font-size: .76rem; letter-spacing: .08em; color: var(--c-muted); }
.story__quote { margin: 0; border-left: 3px solid var(--brand-accent); padding: .4rem 0 .4rem 1.6rem; }
.story__quote p { font-family: var(--brand-heading-font); font-size: var(--step-2); line-height: 1.25; color: var(--c-text); margin-bottom: .8rem; }
.story__quote cite { font-style: normal; font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c-muted); }

/* --- reduced-motion backstop -------------------------------------------
   These few durations are literal rather than token-driven because they are
   one-off, longer-than-UI motions. They are switched off explicitly here so
   that "reduce" really does mean still, however the preference arrives. */
@media (prefers-reduced-motion: reduce) { .chapter__media svg { transition: none; transform: none; } }
html[data-motion="reduce"] .chapter__media svg { transition: none; transform: none; }

/* --- narrow-screen safety ----------------------------------------------
   Long email addresses and fixed label columns are the one thing that can
   push a 375px viewport sideways. Stack the pair and let addresses wrap. */
@media (max-width: 560px) {
  .contact__list > div, .enquire__contact > div { grid-template-columns: 1fr; gap: .2rem; }
}
.contact__list dd, .enquire__contact dd, .contact__list a, .enquire__contact a,
.find__address, .visit__address { overflow-wrap: anywhere; }