/* The Chart Mechanics website.
   Layout concept: the workshop manual from the Education hub, opened out into a site. Emerald instrument
   band for the header, pale paper for reading, spec sheets and calculators as the signature objects,
   gold kept for numbers, prices and the active state. */
@font-face { font-family: "Cinzel"; src: url("fonts/Cinzel-SemiBold.woff") format("woff"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Cinzel"; src: url("fonts/Cinzel-Bold.woff") format("woff"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("fonts/Manrope-Regular.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("fonts/Manrope-Medium.woff") format("woff"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("fonts/Manrope-SemiBold.woff") format("woff"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("fonts/Manrope-Bold.woff") format("woff"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("fonts/Manrope-ExtraBold.woff") format("woff"); font-weight: 800; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("fonts/IBMPlexMono-Regular.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("fonts/IBMPlexMono-Medium.woff") format("woff"); font-weight: 500; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("fonts/IBMPlexMono-SemiBold.woff") format("woff"); font-weight: 600; font-display: swap; }

:root {
  --paper: #F4F6F2; --surface: #FFFFFF; --ink: #13241D; --muted: #55665E; --line: #D6DDD7;
  --emerald: #11533F; --emerald-soft: #E3EEE8; --gold: #9A7428; --gold-soft: #F4ECDA;
  --warn: #8E3B2E; --warn-soft: #F6E5E1; --ok: #1D6B4F; --blue: #2B5C8A; --blue-soft: #E4ECF4;
  --band: #0A241C; --band-ink: #DCE6E0; --band-muted: #8FA79C; --band-gold: #E2C27A; --band-line: #1C4436;
  --on-emerald: #F4F6F2;
  --f-display: "Cinzel", "Trajan Pro", Georgia, serif;
  --f-body: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --wrap: 1140px; --read: 720px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0C1F19; --surface: #12291F; --ink: #E6ECE8; --muted: #A3B6AC; --line: #23443A;
    --emerald: #7FC4A6; --emerald-soft: #163A2F; --gold: #E2C27A; --gold-soft: #2E2A1C;
    --warn: #E89A8B; --warn-soft: #3A1F1A; --ok: #8FD4B3; --blue: #9CC0E4; --blue-soft: #182C3D;
    --band: #071812; --band-line: #183A2E; --on-emerald: #0C1F19; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0C1F19; --surface: #12291F; --ink: #E6ECE8; --muted: #A3B6AC; --line: #23443A;
  --emerald: #7FC4A6; --emerald-soft: #163A2F; --gold: #E2C27A; --gold-soft: #2E2A1C;
  --warn: #E89A8B; --warn-soft: #3A1F1A; --ok: #8FD4B3; --blue: #9CC0E4; --blue-soft: #182C3D;
  --band: #071812; --band-line: #183A2E; --on-emerald: #0C1F19; color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--f-body); font-size: 16.5px; line-height: 1.65; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 40; background: var(--band); }
a { color: var(--emerald); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
img, svg { max-width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 3px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--band-gold); color: #0A241C; padding: 8px 12px; border-radius: 6px; z-index: 60; }
.skip:focus { left: 8px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.read { max-width: var(--read); }
.mono, .num { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }

/* ---------- header band ---------- */
.site-head { background: var(--band); color: var(--band-ink); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30; border-bottom: 1px solid var(--band-line); }
.head-row { display: flex; align-items: center; gap: 18px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: inherit; flex: none; }
.brand img { width: 40px; height: 40px; }
.brand b { display: block; font-family: var(--f-display); font-size: 14px; letter-spacing: .12em; color: var(--band-gold); line-height: 1.25; font-weight: 700; }
.brand small { display: block; font-size: 9.5px; letter-spacing: .3em; text-transform: uppercase; color: var(--band-muted); }
.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav a { color: var(--band-ink); text-decoration: none; font-size: 14px; font-weight: 600; padding: 8px 11px; border-radius: 7px; }
.nav a:hover { background: #ffffff10; }
.nav a[aria-current="page"] { color: #FFFFFF; background: #E2C27A22; }
.head-tools { display: flex; align-items: center; gap: 8px; }
.icon-btn { font: inherit; font-size: 13px; font-weight: 700; color: var(--band-ink); background: transparent; border: 1px solid var(--band-line); border-radius: 8px; min-height: 40px; min-width: 40px; padding: 0 10px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.icon-btn:hover { border-color: var(--band-gold); }
.icon-btn svg { width: 18px; height: 18px; }
.menu-btn { display: none; }
@media (max-width: 960px) {
  .head-row { flex-wrap: wrap; gap: 10px; padding-block: 10px; }
  .menu-btn { display: inline-flex; }
  .head-tools { margin-left: auto; }
  .nav { order: 3; width: 100%; flex-direction: column; align-items: stretch; margin: 0; display: none; padding-bottom: 6px; }
  .nav.open { display: flex; }
  .nav a { padding: 11px 10px; font-size: 15px; border-top: 1px solid var(--band-line); border-radius: 0; }
}

/* ---------- type ---------- */
h1, h2, h3 { text-wrap: balance; margin: 0; }
h1 { font-family: var(--f-display); font-weight: 700; font-size: clamp(30px, 5vw, 50px); line-height: 1.12; letter-spacing: .01em; }
h2 { font-family: var(--f-display); font-weight: 600; font-size: clamp(24px, 3.2vw, 32px); line-height: 1.2; }
h3 { font-size: 18px; font-weight: 800; line-height: 1.35; }
p { margin: 0; }
.lead { font-size: 19px; line-height: 1.55; color: var(--muted); max-width: 62ch; }
.eyebrow { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; font-weight: 800; color: var(--gold); }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.prose { display: grid; gap: 14px; max-width: 68ch; }
.prose h2 { font-size: 24px; margin-top: 18px; }
.prose h3 { margin-top: 8px; }
.prose ul, .prose ol { margin: 0; padding-left: 22px; display: grid; gap: 6px; }

/* ---------- page scaffolding ---------- */
main { display: block; }
.page-head { padding-block: 52px 36px; display: grid; gap: 16px; border-bottom: 1px solid var(--line); }
.crumb { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.crumb a { color: inherit; text-decoration: none; } .crumb a:hover { color: var(--emerald); }
.crumb span::before { content: "/"; margin-right: 10px; color: var(--line); }
.section { padding-block: 56px; display: grid; gap: 26px; }
.section + .section { border-top: 1px solid var(--line); }
.sec-head { display: grid; gap: 10px; max-width: 68ch; }
.grid { display: grid; gap: 16px; }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 40px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); gap: 28px; } }
.split > * { min-width: 0; }

/* ---------- buttons ---------- */
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.btn { font: inherit; font-weight: 700; font-size: 15px; padding: 11px 18px; border-radius: 8px; border: 1px solid var(--emerald); background: var(--emerald); color: var(--on-emerald); cursor: pointer; min-height: 46px; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--emerald); }
.btn.gold { background: var(--band-gold); border-color: var(--band-gold); color: #0A241C; }
.btn.wait { background: var(--surface); color: var(--muted); border-style: dashed; border-color: var(--muted); cursor: default; }
.btn.wait:hover { filter: none; }
.btn.block { width: 100%; }

/* ---------- hero ---------- */
.hero { background: var(--band); color: var(--band-ink); }
.hero-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 470px); gap: 48px; align-items: center; padding-block: 56px 64px; }
.hero h1 { color: #FFFFFF; }
.hero h1 em { font-style: normal; color: var(--band-gold); }
.hero .lead { color: #B9C9C0; }
.hero .eyebrow { color: var(--band-gold); }
.hero-copy { display: grid; gap: 20px; }
.hero .btn.ghost { color: var(--band-ink); border-color: var(--band-line); }
.hero .btn.ghost:hover { border-color: var(--band-gold); }
.hero-note { font-size: 13px; color: var(--band-muted); }
@media (max-width: 960px) { .hero-row { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-block: 40px 48px; } }

/* ---------- cards ---------- */
.card { border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 20px; display: grid; gap: 10px; align-content: start; min-width: 0; }
a.card { color: inherit; text-decoration: none; }
a.card:hover { border-color: var(--emerald); }
.card .tag { font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; font-weight: 800; color: var(--gold); }
.card .more { font-weight: 700; color: var(--emerald); font-size: 14.5px; margin-top: 4px; }
.card .price { font-family: var(--f-mono); font-weight: 600; font-size: 15px; color: var(--ink); }
.card .price small { font-family: var(--f-body); color: var(--muted); font-weight: 500; font-size: 13px; }
.card ul { margin: 0; padding-left: 20px; display: grid; gap: 4px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.chips li, .chip { font-size: 12.5px; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: var(--emerald-soft); color: var(--emerald); }
.chip.gold { background: var(--gold-soft); color: var(--gold); }
.thumb { border-radius: 7px; border: 1px solid var(--line); display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; background: var(--paper); }

/* area tiles on home */
.areas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--surface); }
.areas > a { padding: 26px 24px; display: grid; gap: 10px; text-decoration: none; color: inherit; align-content: start; }
.areas > a + a { border-left: 1px solid var(--line); }
.areas > a:hover { background: var(--emerald-soft); }
.areas h3 { font-family: var(--f-display); font-size: 22px; font-weight: 600; }
.areas .no { font-family: var(--f-mono); color: var(--gold); font-size: 13px; font-weight: 600; }
@media (max-width: 820px) { .areas { grid-template-columns: minmax(0, 1fr); } .areas > a + a { border-left: 0; border-top: 1px solid var(--line); } }

/* ---------- spec sheet ---------- */
.spec { margin: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); display: grid; grid-template-columns: minmax(150px, 230px) minmax(0, 1fr); overflow: hidden; }
.spec dt, .spec dd { margin: 0; padding: 11px 16px; border-top: 1px solid var(--line); }
.spec dt { font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; font-weight: 800; color: var(--muted); background: var(--paper); }
.spec dd { font-size: 15px; }
.spec dd .mono { font-size: 14.5px; }
.spec dt:first-of-type, .spec dt:first-of-type + dd { border-top: 0; }
@media (max-width: 560px) { .spec { grid-template-columns: minmax(0, 1fr); } .spec dd { border-top: 0; padding-top: 2px; } }

/* ---------- tables ---------- */
.tw { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 11px 14px; border-top: 1px solid var(--line); vertical-align: top; }
thead th { border-top: 0; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 800; background: var(--paper); white-space: nowrap; }
td.num, th.num { text-align: right; font-family: var(--f-mono); white-space: nowrap; }
tbody th { font-weight: 700; }
td .yes { color: var(--ok); font-weight: 800; }
td .no { color: var(--muted); }

/* ---------- buy box ---------- */
.buy { border: 1px solid var(--line); background: var(--surface); border-radius: 12px; overflow: hidden; display: grid; }
.buy-head { background: var(--band); color: var(--band-ink); padding: 18px 20px; display: grid; gap: 4px; }
.buy-head .lbl { font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--band-muted); font-weight: 700; }
.buy-head .amt { font-family: var(--f-mono); font-size: 34px; font-weight: 600; color: var(--band-gold); line-height: 1.1; font-variant-numeric: tabular-nums; }
.buy-head .per { font-size: 13px; color: #B9C9C0; }
.buy-body { padding: 18px 20px 20px; display: grid; gap: 14px; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 4px; border-radius: 10px; background: var(--paper); border: 1px solid var(--line); }
.seg label { position: relative; display: grid; gap: 1px; padding: 9px 10px; border-radius: 7px; cursor: pointer; text-align: center; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg b { font-size: 14px; }
.seg span { font-size: 12px; color: var(--muted); }
.seg label:has(input:checked) { background: var(--surface); box-shadow: 0 0 0 1px var(--emerald); }
.seg label:has(input:focus-visible) { outline: 2px solid var(--gold); outline-offset: 1px; }
.buy ul { margin: 0; padding-left: 20px; display: grid; gap: 4px; font-size: 14.5px; }
.buy .fine { font-size: 12.5px; color: var(--muted); }

/* ---------- calculators (shared with the Education hub) ---------- */
.calc-tool { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); overflow: hidden; }
.calc-in { padding: 20px 22px; display: grid; gap: 14px; align-content: start; }
.calc-in h3 { margin: 0; }
.field { display: grid; gap: 5px; min-width: 0; }
.field label, .field .lab { font-size: 12.5px; font-weight: 700; color: var(--muted); letter-spacing: .02em; }
.field input, .field select, .field textarea { font: inherit; font-size: 15px; padding: 9px 11px; border-radius: 8px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); min-height: 44px; width: 100%; }
.field textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--emerald); outline: none; box-shadow: 0 0 0 3px var(--emerald-soft); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.calc-out { background: var(--band); color: var(--band-ink); padding: 20px 22px; display: grid; gap: 14px; align-content: start; }
.calc-out .lbl { font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--band-muted); font-weight: 700; }
.big { font-family: var(--f-mono); font-size: 28px; font-weight: 600; color: var(--band-gold); line-height: 1.15; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.mid { font-family: var(--f-mono); font-size: 17px; color: #FFFFFF; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.working { font-family: var(--f-mono); font-size: 12.5px; color: var(--band-muted); line-height: 1.6; white-space: pre-wrap; border-top: 1px solid var(--band-line); padding-top: 12px; overflow-wrap: anywhere; }
.sample { font-size: 12px; color: var(--muted); margin: 0; }
.calc-print { display: none; }
@media (max-width: 760px) { .calc-tool { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 480px) { .row2 { grid-template-columns: minmax(0, 1fr); } body { font-size: 16px; } }

/* calculator picker */
.picker { display: flex; flex-wrap: wrap; gap: 6px; }
.picker button { font: inherit; font-size: 14px; font-weight: 700; padding: 8px 13px; min-height: 40px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; }
.picker button:hover { border-color: var(--emerald); }
.picker button[aria-selected="true"] { background: var(--emerald); border-color: var(--emerald); color: var(--on-emerald); }
.picker-group { display: grid; gap: 8px; }
.picker-group .lab { font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); font-weight: 800; }

/* hero instrument panel: the position size calculator stacked */
.hero .calc-tool { grid-template-columns: minmax(0, 1fr); border-color: var(--band-line); box-shadow: 0 24px 60px #00000040; }
.hero .calc-tool .calc-out { border-top: 1px solid var(--band-line); background: #0E2E24; }
:root[data-theme="dark"] .hero .calc-tool .calc-out { background: #0A221B; }

/* ---------- worked examples, notes ---------- */
.worked { background: var(--emerald-soft); border-radius: 12px; padding: 22px; display: grid; gap: 12px; }
.worked .tag { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; font-weight: 800; color: var(--emerald); }
.info { background: var(--blue-soft); border-radius: 10px; padding: 14px 18px; display: grid; gap: 6px; }
.info b:first-child { color: var(--blue); }
.risk { background: var(--warn-soft); border-radius: 10px; padding: 14px 18px; font-size: 14.5px; display: grid; gap: 4px; }
.risk b:first-child { color: var(--warn); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; counter-reset: s; }
.steps > li { counter-increment: s; display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 12px; }
.steps > li::before { content: counter(s); width: 28px; height: 28px; border-radius: 50%; background: var(--emerald); color: var(--on-emerald); font-weight: 800; font-size: 13px; display: grid; place-items: center; }
.steps > li > div { display: grid; gap: 4px; min-width: 0; }
code, kbd { font-family: var(--f-mono); font-size: .88em; background: var(--gold-soft); padding: 1px 5px; border-radius: 4px; overflow-wrap: anywhere; }
.path { font-family: var(--f-mono); font-size: 14px; }

/* tabs (install steps) */
.tabs { display: grid; gap: 14px; }
.tablist { display: flex; gap: 6px; flex-wrap: wrap; }
.tablist button { font: inherit; font-family: var(--f-mono); font-weight: 600; font-size: 14px; padding: 7px 14px; min-height: 40px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; }
.tablist button[aria-selected="true"] { background: var(--band); border-color: var(--band); color: var(--band-gold); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 8px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.faq summary { cursor: pointer; padding: 14px 16px; font-weight: 700; list-style: none; display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 8px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "+"; color: var(--gold); font-family: var(--f-mono); font-weight: 600; }
.faq details[open] summary::before { content: "\2013"; }
.faq details > div { padding: 0 16px 16px 44px; display: grid; gap: 8px; color: var(--ink); }
.faq-group { display: grid; gap: 10px; }
.faq-group h3 { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.search { display: grid; gap: 6px; max-width: 460px; }
.search input { font: inherit; font-size: 15px; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); min-height: 44px; }
.count { font-size: 13px; color: var(--muted); }

/* ---------- quiz (sample knowledge check) ---------- */
.quiz { display: grid; gap: 12px; }
.q { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; display: grid; gap: 10px; }
.q .stem { font-weight: 700; }
.opts { display: grid; gap: 8px; }
.opts button { font: inherit; font-size: 15px; text-align: left; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); cursor: pointer; min-height: 44px; }
.opts button:hover { border-color: var(--emerald); }
.opts button.right { border-color: var(--ok); background: var(--emerald-soft); font-weight: 700; }
.opts button.wrong { border-color: var(--warn); background: var(--warn-soft); }
.why { font-size: 14.5px; color: var(--muted); }
.score { font-weight: 700; color: var(--emerald); }

/* syllabus */
.syllabus { display: grid; gap: 8px; }
.syllabus details { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.syllabus summary { cursor: pointer; padding: 12px 16px; display: flex; justify-content: space-between; gap: 12px; font-weight: 700; list-style: none; }
.syllabus summary::-webkit-details-marker { display: none; }
.syllabus summary span { font-family: var(--f-mono); font-size: 13px; color: var(--gold); font-weight: 600; white-space: nowrap; }
.syllabus ol { list-style: none; margin: 0; padding: 0 16px 14px; display: grid; gap: 4px; }
.syllabus li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 6px; font-size: 15px; }
.syllabus li b { font-family: var(--f-mono); font-weight: 500; font-size: 13px; color: var(--muted); padding-top: 2px; }

/* figures */
figure { margin: 0; display: grid; gap: 8px; }
figcaption { font-size: 13.5px; color: var(--muted); }
.fig { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px; overflow-x: auto; }
.fig svg { display: block; width: 100%; height: auto; min-width: 460px; }
.fig svg text { font-family: var(--f-body); }

/* forms */
.form { display: grid; gap: 14px; }
.form .note { font-size: 13px; color: var(--muted); }
.form-msg { border-radius: 8px; padding: 12px 14px; font-weight: 600; font-size: 14.5px; background: var(--emerald-soft); color: var(--emerald); }
.form-msg.err { background: var(--warn-soft); color: var(--warn); }
.check { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 8px; align-items: start; font-size: 14px; }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--emerald); }
.hp { position: absolute; left: -9999px; }
.copy-line { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.copy-line .mono { font-size: 15px; user-select: all; }
.copy-btn { font: inherit; font-size: 13px; font-weight: 700; border: 1px solid var(--line); background: var(--surface); color: var(--emerald); border-radius: 7px; padding: 5px 10px; cursor: pointer; min-height: 34px; }

/* signup band */
.band { background: var(--band); color: var(--band-ink); border-radius: 14px; padding: 30px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 28px; align-items: center; }
.band h2 { color: #FFFFFF; }
.band p { color: #B9C9C0; }
.band .field label { color: var(--band-muted); }
.band .field input { background: #0E2E24; border-color: var(--band-line); color: #FFFFFF; }
.band .note { color: var(--band-muted); }
.band .check { color: #B9C9C0; }
@media (max-width: 860px) { .band { grid-template-columns: minmax(0, 1fr); padding: 22px; } }

/* ---------- footer ---------- */
.site-foot { background: var(--band); color: var(--band-ink); margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 28px; padding-block: 44px 28px; }
.foot-grid h4 { margin: 0 0 10px; font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--band-gold); }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 14.5px; }
.foot-grid a { color: var(--band-ink); text-decoration: none; }
.foot-grid a:hover { color: #FFFFFF; text-decoration: underline; }
.foot-grid p { font-size: 14px; color: var(--band-muted); }
.foot-brand { display: grid; gap: 12px; align-content: start; }
.socials { display: flex; gap: 8px; }
.socials a { width: 40px; height: 40px; border: 1px solid var(--band-line); border-radius: 8px; display: grid; place-items: center; color: var(--band-ink); }
.socials svg { width: 18px; height: 18px; }
.legal-line { border-top: 1px solid var(--band-line); padding-block: 18px 28px; font-size: 12.5px; color: var(--band-muted); display: grid; gap: 6px; }
.legal-line a { color: var(--band-ink); }
.legal-line b { color: var(--band-gold); font-weight: 700; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .foot-brand { grid-column: 1 / -1; } }
@media (max-width: 420px) { .foot-grid { grid-template-columns: minmax(0, 1fr); } }

/* status panel mock (EA pages) */
.panel-mock { background: #0F1A16; color: #CFE0D7; border-radius: 10px; padding: 14px 16px; font-family: var(--f-mono); font-size: 13px; line-height: 1.75; border: 1px solid var(--band-line); overflow-x: auto; }
.panel-mock b { color: var(--band-gold); font-weight: 600; }
.panel-mock .g { color: #7FD1A8; } .panel-mock .r { color: #F08C7E; } .panel-mock .m { color: #8FA79C; }

/* misc */
.areas .go { font-weight: 700; color: var(--emerald); font-size: 14.5px; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.ticks > li { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 10px; }
.ticks > li::before { content: ""; width: 20px; height: 20px; margin-top: 3px; border-radius: 50%; border: 2px solid var(--warn); background: linear-gradient(135deg, transparent 44%, var(--warn) 44%, var(--warn) 56%, transparent 56%); }
.ticks.ok > li::before { border-color: var(--ok); background: none; content: "✓"; color: var(--ok); font-weight: 800; font-size: 12px; display: grid; place-items: center; }
.ticks > li > div { display: grid; gap: 3px; min-width: 0; }
.hero .calc-in { color: var(--ink); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.switches { display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 10px 14px; border-top: 1px solid var(--line); font-size: 14px; }
.switches label { display: inline-flex; gap: 7px; align-items: center; cursor: pointer; min-height: 32px; font-weight: 600; }
.switches input { width: 17px; height: 17px; accent-color: var(--emerald); }
.switches .lab { font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 800; align-self: center; }
.figbox { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); overflow: hidden; }
.figbox .fig { border: 0; border-radius: 0; }
@media (max-width: 420px) { .brand b { font-size: 12.5px; letter-spacing: .08em; } .brand small { letter-spacing: .2em; } .brand img { width: 34px; height: 34px; } .head-row { gap: 8px; } }
@media (min-width: 901px) { .split > .buy { position: sticky; top: calc(84px + env(safe-area-inset-top, 0px)); } }
.info > span, .info > p { min-width: 0; }
.faq-cols { display: grid; gap: 30px; }
.faq-group { scroll-margin-top: 90px; }
a.chip { text-decoration: none; }
a.chip:hover { background: var(--emerald); color: var(--on-emerald); }
.faq-cols { max-width: 860px; }