/* Ferro: industrial grey, safety orange, technical drawing lines, condensed type. */
:root {
  /* Colour tokens (edit here) */
  --bg: #E7E9EB;          /* page ground: industrial grey */
  --paper: #F5F6F7;       /* lighter panels and frames */
  --ink: #14171A;         /* text, rules, buttons */
  --steel: #4B535B;       /* secondary text, 6.4:1 on --bg */
  --rule: #8C959E;        /* decorative technical lines only */
  --grid: rgba(20, 23, 26, 0.07); /* drawing-grid background */
  --safety: #FF5A00;      /* safety orange: fills only, never small text */
  --safety-ink: #B33C00;  /* orange text on light grounds, 4.8:1 on --bg */
  --graphite: #1D2125;    /* dark sections */
  --graphite-ink: #E8EBED;
  --graphite-muted: #AEB7BF;
  --graphite-safety: #FFB38A; /* orange text on graphite, 9.3:1 */
  --focus: #B33C00;
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.55 var(--font-body); overflow-wrap: break-word; }
img, svg { max-width: 100%; }
a { color: var(--ink); text-underline-offset: 0.2em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); text-transform: uppercase; overflow-wrap: anywhere; }
h1 { font-weight: 700; font-size: clamp(2.9rem, 8.5vw, 8rem); line-height: 0.9; letter-spacing: -0.005em; }
h2 { font-weight: 700; font-size: clamp(2.2rem, 5vw, 4rem); line-height: 0.95; margin-bottom: 0.4em; }
h3 { font-weight: 600; font-size: 1.5rem; line-height: 1.1; margin-bottom: 0.35em; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 20; background: var(--ink); color: var(--paper); padding: 8px 12px; }
.skip:focus { left: 16px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .wrap { padding: 0 32px; } }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 2px solid var(--ink); }
.bar { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.wordmark { display: inline-flex; align-items: center; gap: 0.55rem; min-height: 44px; text-decoration: none; font: 700 1.4rem/1 var(--font-display); text-transform: uppercase; letter-spacing: 0.04em; }
.mark { display: inline-block; width: 16px; height: 16px; background: var(--safety); border: 2px solid var(--ink); }
.desk-nav { display: none; }
.mob-nav summary { list-style: none; cursor: pointer; font: 600 1rem/1 var(--font-body); text-transform: uppercase; letter-spacing: 0.08em; padding: 12px 0; min-height: 44px; }
.mob-nav summary::-webkit-details-marker { display: none; }
.mob-nav summary::after { content: " +"; }
.mob-nav[open] summary::after { content: " \2212"; }
.mob-nav nav { display: grid; gap: 4px; padding: 8px 0 20px; border-top: 1px solid var(--ink); }
.mob-nav nav a { display: flex; align-items: center; min-height: 44px; font: 600 1.15rem/1.2 var(--font-body); text-decoration: none; text-transform: uppercase; letter-spacing: 0.04em; }
.mob-nav nav .button { margin-top: 8px; justify-content: center; }
@media (min-width: 960px) {
  .desk-nav { display: flex; align-items: center; gap: 1.6rem; }
  .desk-nav > a:not(.button) { font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.95rem; text-decoration: none; padding: 6px 0; }
  .desk-nav > a:not(.button):hover { text-decoration: underline; text-decoration-thickness: 3px; text-decoration-color: var(--safety); }
  .desk-nav > a[aria-current="page"]:not(.button) { box-shadow: inset 0 -4px 0 var(--safety); }
  .mob-nav { display: none; }
}

/* Buttons and links */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; min-height: 48px; padding: 0.7rem 1.25rem; background: var(--ink); color: var(--paper); border: 2px solid var(--ink); font: 600 1rem/1 var(--font-body); text-transform: uppercase; letter-spacing: 0.06em; text-decoration: none; transition: background-color 0.15s, color 0.15s; }
.button:hover { background: var(--safety); color: var(--ink); border-color: var(--ink); }
.button.ghost { background: transparent; color: var(--ink); }
.button.ghost:hover { background: var(--ink); color: var(--paper); }
.button-small { min-height: 40px; padding: 0.5rem 0.95rem; font-size: 0.9rem; }
.text-link { font-weight: 600; color: var(--ink); text-decoration: underline; text-decoration-thickness: 3px; text-decoration-color: var(--safety); text-underline-offset: 0.18em; }
.plain { color: inherit; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Hero and page heads */
.grid-bg { background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 48px 48px; }
.hero { padding: 40px 0 48px; }
.kicker { margin-bottom: 18px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.95rem; color: var(--steel); }
.hero h1 { max-width: 13ch; }
.hero-row { display: grid; gap: 24px; margin: 28px 0 36px; }
.lead { font-size: clamp(1.1rem, 2vw, 1.35rem); line-height: 1.45; max-width: 46ch; margin: 0; }
.page-head { padding: 56px 0 40px; border-bottom: 2px solid var(--ink); }
.page-head h1 { max-width: 14ch; margin-bottom: 24px; }
.page-head .lead { margin-bottom: 0; }
.big { font: 700 clamp(2.4rem, 5vw, 3.6rem)/1 var(--font-display); font-variant-numeric: tabular-nums; }
@media (min-width: 900px) { .hero-row { grid-template-columns: 1fr auto; align-items: end; } }

/* Photo frames (art in img, drops in at same aspect ratio) */
.frame { margin: 0; position: relative; border: 2px solid var(--ink); background: var(--paper); }
.frame img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; }
.frame + .data-table, .frame + .roles-title { margin-top: 40px; }
.hero .frame { margin-top: 8px; }
.hero .frame::after { content: ""; position: absolute; right: -10px; bottom: -10px; width: 36%; height: 36%; border-right: 2px solid var(--safety); border-bottom: 2px solid var(--safety); pointer-events: none; }

/* Spec ribbon */
.ribbon-wrap { background: var(--paper); border-bottom: 2px solid var(--ink); }
.ribbon { display: grid; grid-template-columns: 1fr 1fr; padding-top: 0; padding-bottom: 0; }
.ribbon > div { padding: 22px 14px 22px 0; border-top: 1px solid var(--rule); }
.ribbon > div + div { padding-left: 14px; border-left: 1px solid var(--rule); }
@media (max-width: 799px) { .ribbon > div:nth-child(3) { padding-left: 0; border-left: 0; } }
.ribbon strong { display: block; font: 700 clamp(2.4rem, 5vw, 3.6rem)/1 var(--font-display); font-variant-numeric: tabular-nums; }
.ribbon span { display: block; color: var(--steel); font-size: 0.95rem; margin-top: 4px; }
@media (min-width: 800px) { .ribbon { grid-template-columns: repeat(4, 1fr); } .ribbon > div + div { padding-left: 24px; } .ribbon > div { padding-right: 24px; } }

/* Sections */
.section { padding: 64px 0; border-bottom: 1px solid var(--ink); }
.section.dark { background: var(--graphite); color: var(--graphite-ink); border-bottom-color: var(--graphite); }
.section.dark .plain-list p, .section.dark .sec-head p { color: var(--graphite-ink); }
.section.dark .text-link { color: var(--graphite-ink); text-decoration-color: var(--safety); }
.section.dark :focus-visible { outline-color: var(--graphite-safety); }
.sec-head { display: grid; gap: 16px; margin-bottom: 28px; }
.sec-head p { max-width: 52ch; margin: 0; color: var(--steel); }
.more { margin-top: 24px; }
.split { display: grid; gap: 32px; }
.plain-list p { font-size: 1.1rem; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; } .sec-head { grid-template-columns: 1fr 1fr; align-items: end; } }

/* Where it fits: rule-separated rows, not cards */
.fit { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--ink); }
.fit li { display: grid; gap: 8px; padding: 24px 0; border-top: 2px solid var(--ink); }
.fit p { margin: 0; max-width: 60ch; }
@media (min-width: 800px) { .fit li { grid-template-columns: 1fr 2fr; gap: 32px; align-items: baseline; } .fit li h3 { margin: 0; } }

/* Steps (dark, numbered with a drawn rule) */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.steps li { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 28px 0; border-top: 1px solid var(--graphite-muted); }
.step-n { font: 700 3.4rem/0.9 var(--font-display); color: var(--safety); font-variant-numeric: tabular-nums; }
.steps p { margin: 0; max-width: 56ch; }
.section.dark .steps li { border-color: var(--graphite-muted); }
.steps h3 { color: var(--graphite-ink); }
.dark .steps p { color: var(--graphite-ink); }
.dark .big, .dark strong { color: var(--graphite-safety); }

/* Quotes */
.quotes { display: grid; gap: 40px; }
.quote { margin: 0; border-left: 4px solid var(--safety); padding-left: 20px; }
.quote blockquote { margin: 0; }
.quote p { font: 600 clamp(1.6rem, 3vw, 2.25rem)/1.12 var(--font-display); text-transform: uppercase; margin: 0 0 12px; }
.quote figcaption { color: var(--steel); font-weight: 600; }
.quote-inline { margin: 28px 0 0; border-left: 4px solid var(--safety); padding-left: 18px; }
.quote-inline p { font: 600 1.5rem/1.2 var(--font-display); text-transform: uppercase; margin: 0 0 8px; }
.quote-inline footer { color: var(--steel); font-weight: 600; }

/* Teasers */
.teasers { border-bottom: 1px solid var(--ink); }
.teaser-grid { display: grid; gap: 0; padding-top: 0; padding-bottom: 0; }
.teaser { display: grid; gap: 6px; padding: 36px 0; border-top: 2px solid var(--ink); text-decoration: none; color: var(--ink); }
.teaser:hover h3 { text-decoration: underline; text-decoration-color: var(--safety); text-decoration-thickness: 4px; }
.teaser p { margin: 0; }
.teaser-label { font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--safety-ink); font-size: 0.95rem; }
.teaser h3 { font-size: clamp(1.9rem, 4vw, 2.6rem); line-height: 1; }
.meta { color: var(--steel); font-weight: 600; }
@media (min-width: 800px) { .teaser-grid { grid-template-columns: 1fr 1fr; gap: 48px; padding-top: 0; padding-bottom: 0; } .teaser { padding: 48px 0; } }

/* Forms (inert: rendered only once a plugin is connected) */
.slot { border: 2px solid var(--ink); background: var(--paper); padding: 24px; }
.slot > p { margin-bottom: 0; }
.form-grid { display: grid; gap: 16px; margin-top: 20px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 600; }
.field input, .field textarea { font: 400 1rem/1.4 var(--font-body); padding: 12px; border: 2px solid var(--ink); background: var(--paper); color: var(--ink); width: 100%; border-radius: 0; }
.field textarea { resize: vertical; }
.form-grid .button { justify-self: start; }
@media (min-width: 640px) { .form-grid { grid-template-columns: 1fr 1fr; } }

/* Data tables: spec sheets and rosters */
.data-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; border-top: 2px solid var(--ink); }
.data-table caption { text-align: left; font: 700 1.6rem/1 var(--font-display); text-transform: uppercase; padding: 0 0 16px; }
.data-table th, .data-table td { padding: 14px 12px 14px 0; border-bottom: 1px solid var(--ink); text-align: left; vertical-align: top; }
.data-table thead th { font: 600 0.85rem/1.2 var(--font-body); text-transform: uppercase; letter-spacing: 0.08em; color: var(--steel); }
.data-table tbody th { font: 600 1.1rem/1.3 var(--font-body); }
.data-table tbody tr:target { background: #FFD9C2; }
.spec-table tbody th { width: 38%; }
.spec-table td { font-size: 1.05rem; }
.roles-title { margin: 0 0 20px; }
.table-caption { margin-bottom: 0; }
.drawing-wrap .roles-title { margin-top: 0; }
@media (max-width: 560px) {
  .data-table thead { display: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table th, .data-table td { display: block; width: 100%; }
  .data-table tr { padding: 14px 0; border-bottom: 2px solid var(--ink); }
  .data-table th, .data-table td { border: 0; padding: 2px 0; }
  .data-table td::before { content: attr(data-label); display: block; font: 600 0.8rem/1.2 var(--font-body); text-transform: uppercase; letter-spacing: 0.08em; color: var(--steel); }
  .spec-table tbody th { width: 100%; }
}

/* Technical drawing with callouts (product page) */
.drawing { margin: 0; border: 2px solid var(--ink); background: var(--paper); }
.drawing-svg { display: block; width: 100%; height: auto; }
.callouts { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.callouts li { padding: 18px 0; border-top: 1px solid var(--ink); }
.callouts li:last-child { border-bottom: 1px solid var(--ink); }
.callouts a { display: inline-flex; align-items: center; gap: 12px; font: 700 1.5rem/1 var(--font-display); text-transform: uppercase; text-decoration: none; }
.callouts a:hover { text-decoration: underline; text-decoration-color: var(--safety); text-decoration-thickness: 3px; }
.callouts .num { display: inline-grid; place-items: center; width: 34px; height: 34px; background: var(--safety); border: 2px solid var(--ink); font-size: 1.1rem; }
.callouts p { margin: 6px 0 0 46px; color: var(--steel); }
.leader { fill: none; stroke: var(--ink); stroke-width: 2; stroke-dasharray: 1; stroke-dashoffset: 0; }
.js .drawing:not(.drawn) .leader { stroke-dashoffset: 1; }
.js .drawing .leader { transition: stroke-dashoffset 0.9s cubic-bezier(0.2, 0.7, 0.2, 1); }
.js .drawing.drawn .leader:nth-of-type(2) { transition-delay: 0.15s; }
.js .drawing.drawn .leader:nth-of-type(3) { transition-delay: 0.3s; }
.js .drawing.drawn .leader:nth-of-type(4) { transition-delay: 0.45s; }
@media (min-width: 900px) { .drawing-wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: start; } .drawing-wrap .visually-hidden { position: absolute; } }
.split-dark-note .plain-list p { font-size: 1.2rem; }

/* Process stages (how it's made) */
.stage { display: grid; gap: 24px; padding: 40px 0; border-top: 2px solid var(--ink); }
.stage:first-child { border-top: 0; padding-top: 0; }
.stage-text { position: relative; }
.stage-n { display: block; font: 700 clamp(5rem, 12vw, 9rem)/0.8 var(--font-display); color: var(--safety); font-variant-numeric: tabular-nums; margin-bottom: 8px; }
.stage h2 { font-size: clamp(2rem, 4vw, 3rem); }
.stage p { max-width: 56ch; margin: 0; }
@media (min-width: 900px) { .stage { grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; } .stage:nth-child(even) { grid-template-columns: 1.1fr 1fr; } .stage:nth-child(even) .frame { order: -1; } .stage:first-child { padding-top: 40px; border-top: 2px solid var(--ink); } }

/* Releases and misc lists */
.releases { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--ink); }
.releases li { display: grid; gap: 6px; padding: 22px 0; border-top: 2px solid var(--ink); }
.releases h3 { margin-bottom: 4px; }
.releases p { margin: 0; }
.releases .meta { font-size: 0.95rem; }
@media (min-width: 700px) { .releases li { grid-template-columns: 200px 1fr; gap: 24px; } }
.prose { max-width: 66ch; }
.prose p { margin-bottom: 1.2em; }

/* Band and footer */
.band-orange { background: var(--safety); color: var(--ink); padding: 64px 0; border-top: 2px solid var(--ink); }
.band-row { display: grid; gap: 24px; align-items: center; }
.band-orange h2 { margin: 0; max-width: 18ch; }
.band-orange .button { background: var(--ink); color: var(--paper); border-color: var(--ink); justify-self: start; }
.band-orange .button:hover { background: var(--paper); color: var(--ink); }
.band-orange :focus-visible { outline-color: var(--ink); }
@media (min-width: 800px) { .band-row { grid-template-columns: 1fr auto; } }
.site-footer { background: var(--ink); color: var(--graphite-ink); padding: 56px 0 40px; }
.site-footer a { color: var(--paper); text-underline-offset: 0.2em; }
.site-footer :focus-visible { outline-color: var(--graphite-safety); }
.foot-grid { display: grid; gap: 32px; }
.foot-name { font: 700 2rem/1 var(--font-display); text-transform: uppercase; margin: 0 0 12px; color: var(--paper); }
.foot-cta { font: 600 1.5rem/1.15 var(--font-display); text-transform: uppercase; color: var(--paper); margin: 0 0 16px; max-width: 22ch; }
.site-footer .band-btn { background: var(--safety); color: var(--ink); border-color: var(--safety); }
.site-footer .band-btn:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.site-footer address { font-style: normal; margin-bottom: 12px; }
.site-footer .social a { margin-right: 18px; }
.legal { margin-top: 24px; color: var(--graphite-muted); }
@media (min-width: 800px) { .foot-grid { grid-template-columns: 1fr 1fr; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js .drawing .leader { stroke-dashoffset: 0 !important; }
}