/* Layout: a field form that turns into a lab report. Label-strip header, product hero, ruled
   sections that read like a chain-of-custody sheet, and results set as a certificate of analysis. */
:root {
  --bg: #eceeed;            /* poured-concrete grey, biased slightly green */
  --paper: #ffffff;         /* label stock */
  --paper-2: #f5f6f4;
  --ink: #12233d;           /* navy-black */
  --ink-2: #3f4e66;
  --muted: #667387;
  --line: #d2d7d5;
  --line-strong: #a4adb0;
  --navy: #16386f;          /* box label blue */
  --navy-ink: #ffffff;
  --link: #1a4a96;
  --green: #2a7a35;         /* box label green */
  --green-ink: #ffffff;
  --green-text: #1f6b2a;
  --green-soft: #e3f0e2;
  --amber-text: #7d4a00;
  --amber-soft: #fbeed3;
  --crit-text: #9c2626;
  --crit-soft: #f8e2e0;
  --focus: #1a4a96;
  --logo-b: #16386f; --logo-p: #2a7a35;         /* wordmark */
  --drop-outer: #2a7a35; --drop-inner: #16386f; /* droplet */
  --bar: #818da0;           /* context bars */
  --bar-you: #2a7a35;       /* the visitor's own bar */
  --tint: #e6e9e7;
  --display: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0d1420; --paper: #151e2e; --paper-2: #1a2538;
    --ink: #eef2f7; --ink-2: #c0cad9; --muted: #8f9bb0;
    --line: #2a364b; --line-strong: #44536e;
    --navy: #1d3d75; --navy-ink: #ffffff; --link: #8fb8ff;
    --green: #2d8039; --green-ink: #ffffff; --green-text: #74d081; --green-soft: #17301d;
    --amber-text: #f2c063; --amber-soft: #3a2c10;
    --crit-text: #f19a94; --crit-soft: #3b1c1b;
    --focus: #8fb8ff;
    --bar: #62708a; --bar-you: #3c9a49; --tint: #1f2a3f;
    --logo-b: #8fb8ff; --logo-p: #74d081; --drop-outer: #3c9a49; --drop-inner: #1d3d75;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1420; --paper: #151e2e; --paper-2: #1a2538;
  --ink: #eef2f7; --ink-2: #c0cad9; --muted: #8f9bb0;
  --line: #2a364b; --line-strong: #44536e;
  --navy: #1d3d75; --navy-ink: #ffffff; --link: #8fb8ff;
  --green: #2d8039; --green-ink: #ffffff; --green-text: #74d081; --green-soft: #17301d;
  --amber-text: #f2c063; --amber-soft: #3a2c10;
  --crit-text: #f19a94; --crit-soft: #3b1c1b;
  --focus: #8fb8ff;
  --bar: #62708a; --bar-you: #3c9a49; --tint: #1f2a3f;
  --logo-b: #8fb8ff; --logo-p: #74d081; --drop-outer: #3c9a49; --drop-inner: #1d3d75;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
[id] { scroll-margin-top: 24px; }

.wrap { max-width: 1120px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 32px); }
.narrow { max-width: 760px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 10; background: var(--paper); padding: 8px 12px; }

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.08; margin: 0; text-wrap: balance; letter-spacing: 0.005em; }
h1 { font-size: clamp(40px, 6.2vw, 68px); font-weight: 700; }
h2 { font-size: clamp(30px, 4vw, 42px); }
h3 { font-size: 24px; line-height: 1.15; }
p { margin: 0; }
.lede { font-size: clamp(18px, 2vw, 21px); line-height: 1.5; color: var(--ink-2); max-width: 60ch; }
.label {
  font-family: var(--display); font-weight: 600; font-size: 15px; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--muted); display: flex; align-items: center; gap: 12px; margin: 0;
}
.label::after { content: ""; flex: 1; border-bottom: 1px solid var(--line-strong); min-width: 24px; }
.prose { display: flex; flex-direction: column; gap: 16px; max-width: 68ch; }
.prose h2 { margin-top: 28px; }
.prose > h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 12px; }
.prose ul, .prose ol { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 8px; }
.prose strong { font-weight: 600; }
.mono { font-family: var(--mono); font-size: 0.92em; }
.mt { margin-top: 20px; }
.fine { font-size: 14px; color: var(--muted); line-height: 1.5; }

/* ---------- buttons ---------- */
.btn, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--display); font-weight: 600; font-size: 19px; letter-spacing: 0.04em; text-transform: uppercase;
  min-height: 48px; padding: 10px 22px; border-radius: 4px; cursor: pointer; text-decoration: none;
  border: 2px solid var(--green); background: var(--green); color: var(--green-ink);
}
.btn:hover { filter: brightness(1.08); }
.btn[disabled] { opacity: 0.6; cursor: default; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); }

/* ---------- header ---------- */
.stockbar { background: var(--navy); color: var(--navy-ink); font-size: 15px; text-align: center; padding: 8px 16px; }
.stockbar a { color: var(--navy-ink); font-weight: 600; }
.site-head { background: var(--paper); border-bottom: 1px solid var(--line); }
.head-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px; padding-block: 14px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-weight: 700; font-size: 26px; letter-spacing: 0.03em; line-height: 1; color: var(--ink); }
.logo svg { width: 30px; height: 36px; flex: none; }
.logo .b { color: var(--logo-b); }
.logo .p { color: var(--logo-p); }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 22px; font-size: 16px; }
.site-nav a { color: var(--ink); text-decoration: none; padding-block: 6px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 6px; }
.site-nav .btn { min-height: 40px; font-size: 16px; padding: 6px 14px; color: var(--green-ink); }
.site-nav .btn:hover { text-decoration: none; }

/* ---------- sections ---------- */
main { display: block; }
.sec { padding-block: clamp(40px, 6vw, 72px); }
.sec + .sec { border-top: 1px solid var(--line); }
.sec.paper { background: var(--paper); }
.sec-head { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; max-width: 760px; }
.sec-head p { color: var(--ink-2); }
.crumbs { font-size: 14px; color: var(--muted); padding-top: 20px; }
.crumbs a { color: var(--muted); }

/* ---------- hero ---------- */
.hero { padding-block: clamp(28px, 5vw, 56px); background: var(--paper); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr); gap: 48px; } }
.hero-copy { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.hero-photo { margin: 0; min-width: 0; }
.hero-photo img { width: 100%; border-radius: 6px; border: 1px solid var(--line); }
.hero-photo figcaption { font-size: 14px; color: var(--muted); margin-top: 8px; }
.buyline { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }
.tag { display: inline-flex; align-items: center; gap: 8px; font-family: var(--display); font-weight: 600; font-size: 16px; letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 12px; border-radius: 3px; }
.tag.out { background: var(--amber-soft); color: var(--amber-text); }
.tag.out::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: currentColor; }
.price { font-family: var(--mono); font-size: 17px; color: var(--ink-2); }
.price b { color: var(--ink); font-weight: 500; font-size: 22px; }
.page-hero { background: var(--paper); padding-block: 18px clamp(28px, 4vw, 44px); border-bottom: 1px solid var(--line); }
.page-hero .stack { display: flex; flex-direction: column; gap: 16px; max-width: 800px; }
.page-hero h1 { font-size: clamp(36px, 5.4vw, 58px); }
.answer { font-size: clamp(18px, 2vw, 20px); line-height: 1.55; color: var(--ink); max-width: 66ch; }
.updated { font-size: 14px; color: var(--muted); }

/* ---------- waitlist ---------- */
.wl { display: flex; flex-direction: column; gap: 10px; max-width: 560px; }
.wl-row { display: flex; flex-wrap: wrap; gap: 10px; }
.wl-row > .wl-field { flex: 1 1 220px; min-width: 0; }
.wl-field { display: flex; flex-direction: column; gap: 4px; }
.wl-field label { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.wl input[type="email"], .wl input[type="text"], .wl select, .wl textarea {
  width: 100%; font: inherit; font-size: 17px; color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--line-strong); border-radius: 4px; min-height: 48px; padding: 8px 12px;
}
.wl .btn { flex: 0 0 auto; align-self: flex-end; }
.wl.contact { max-width: 640px; gap: 16px; }
.wl textarea { min-height: 160px; resize: vertical; line-height: 1.5; }
.wl .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.wl-status { font-size: 15px; padding: 8px 12px; border-radius: 4px; }
.wl-status.err { background: var(--crit-soft); color: var(--crit-text); }
.wl-status.warn { background: var(--amber-soft); color: var(--amber-text); }
.wl-done { background: var(--green-soft); border-left: 4px solid var(--green); padding: 14px 16px; border-radius: 0 4px 4px 0; max-width: 560px; }
.wl-done b { display: block; font-family: var(--display); font-size: 24px; font-weight: 600; color: var(--green-text); }
.wl-band { background: var(--paper); }
.wl-band .inner { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; align-items: start; }
@media (min-width: 860px) { .wl-band .inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; } }
.wl-band .copy { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.wl-band .copy p { color: var(--ink-2); }

/* ---------- grids and cards ---------- */
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px 32px; }
.cols > * { min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.cols p { color: var(--ink-2); }
.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px 32px; }
.steps li { counter-increment: step; display: flex; flex-direction: column; gap: 8px; min-width: 0; padding-top: 14px; border-top: 3px solid var(--navy); }
.steps li::before { content: counter(step); font-family: var(--display); font-weight: 700; font-size: 22px; width: 36px; height: 36px; border-radius: 50%; background: var(--green); color: var(--green-ink); display: grid; place-items: center; }
.steps p { color: var(--ink-2); }
.split { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; align-items: start; }
@media (min-width: 900px) { .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; } }
.split > * { min-width: 0; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.ticks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.ticks li { padding-left: 28px; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 0.5em; width: 12px; height: 7px; border-left: 3px solid var(--green); border-bottom: 3px solid var(--green); transform: rotate(-45deg); }
.note { border-left: 4px solid var(--line-strong); background: var(--paper-2); padding: 14px 16px; border-radius: 0 4px 4px 0; font-size: 16px; color: var(--ink-2); }
.note.warn { border-left-color: var(--amber-text); }

/* ---------- certificate of analysis (sample report and calculator result) ---------- */
.coa { background: var(--paper); border: 1.5px solid var(--ink); border-radius: 4px; padding: 18px clamp(14px, 3vw, 22px) 16px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.sec.paper .coa, .hero .coa { background: var(--paper-2); }
.coa-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; padding-bottom: 10px; border-bottom: 1.5px solid var(--ink); }
.coa-title { font-family: var(--display); font-weight: 600; font-size: 16px; letter-spacing: 0.1em; text-transform: uppercase; }
.coa-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 6px 16px; font-size: 14px; }
.coa-meta span { display: block; font-family: var(--display); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-size: 13px; }
.coa table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.coa th, .coa td { text-align: left; padding: 7px 8px 7px 0; border-bottom: 1px solid var(--line); font-size: 15.5px; }
.coa thead th { font-family: var(--display); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.coa td.r, .coa th.r { text-align: right; padding-right: 0; font-family: var(--mono); }
.coa tr.li td, .coa tr.li th { font-weight: 600; background: var(--green-soft); }
.coa tr.li th { padding-left: 8px; }
.coa tr.li td.r { padding-right: 8px; }
.pill { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 600; border-radius: 999px; padding: 3px 12px 3px 9px; border: 1px solid var(--line-strong); }
.pill i { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.pill.good { background: var(--green-soft); color: var(--green-text); border-color: transparent; }
.pill.good i { background: var(--green-text); }
.pill.warn { background: var(--amber-soft); color: var(--amber-text); border-color: transparent; }
.pill.warn i { background: var(--amber-text); }
.pill.crit { background: var(--crit-soft); color: var(--crit-text); border-color: transparent; }
.pill.crit i { background: var(--crit-text); }
.own-note { font-size: 15px; color: var(--ink-2); line-height: 1.5; }
.coa-main { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px 28px; padding-block: 4px; }
.big { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.big .lab { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.big .num { font-family: var(--mono); font-weight: 500; font-size: clamp(30px, 4.4vw, 40px); line-height: 1.1; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.big .num small { font-family: var(--body); font-size: 15px; font-weight: 400; letter-spacing: 0; color: var(--ink-2); }
.big .num.zero { color: var(--muted); }
.big .sub { font-size: 14px; color: var(--muted); line-height: 1.45; }
.stats { margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px 20px; border-top: 1px solid var(--line); padding-top: 12px; }
.stats div { min-width: 0; }
.stats dt { font-size: 13.5px; color: var(--muted); }
.stats dd { margin: 0; font-family: var(--mono); font-size: 17px; }

/* ---------- calculator ---------- */
.calc { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; align-items: start; }
@media (min-width: 960px) { .calc { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 32px; } }
.calc-form { display: flex; flex-direction: column; gap: 18px; min-width: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: clamp(14px, 3vw, 22px); }
.sec.paper .calc-form { background: var(--paper-2); }
.calc-form fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.calc-form legend { padding: 0; font-family: var(--display); font-weight: 600; font-size: 15px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.fields .full { grid-column: 1 / -1; }
@media (max-width: 520px) { .fields { grid-template-columns: minmax(0, 1fr); } }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field label { font-size: 15px; font-weight: 600; line-height: 1.3; }
.field .help { font-size: 13.5px; color: var(--muted); line-height: 1.45; }
.control { position: relative; display: flex; align-items: center; }
.calc-form input[type="number"], .calc-form select {
  width: 100%; font: inherit; font-size: 17px; color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--line-strong); border-radius: 4px; min-height: 46px; padding: 8px 12px;
}
.calc-form input[type="number"] { font-family: var(--mono); font-size: 16px; }
.calc-form input[disabled] { color: var(--muted); background: var(--paper-2); }
.unit { position: absolute; right: 12px; font-family: var(--mono); font-size: 13px; color: var(--muted); pointer-events: none; }
.control.has-unit input { padding-right: 78px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14.5px; color: var(--ink-2); font-weight: 400; }
.check input { width: 18px; height: 18px; margin: 0; accent-color: var(--green); }
.adv { border-top: 1px solid var(--line); padding-top: 14px; }
.adv > summary, .built > summary { cursor: pointer; font-weight: 600; font-size: 16px; color: var(--link); }
.adv[open] > summary { margin-bottom: 16px; }
.built[open] > summary { margin-bottom: 4px; }
.adv .group { display: flex; flex-direction: column; gap: 16px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.form-actions .btn-ghost { min-height: 40px; font-size: 16px; padding: 6px 14px; }
.calc-out { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.blk { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.blk h3 { font-size: 22px; }
.chain { list-style: none; margin: 0; padding: 0; }
.chain li { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 2px 16px; padding: 9px 0; border-top: 1px solid var(--line); align-items: baseline; }
.chain .k { font-size: 15.5px; }
.chain .v { font-family: var(--mono); font-size: 15.5px; text-align: right; font-variant-numeric: tabular-nums; }
.chain .n { grid-column: 1 / -1; font-size: 13.5px; color: var(--muted); line-height: 1.4; }
.chain li.total { border-top: 1.5px solid var(--ink); }
.chain li.total .k, .chain li.total .v { font-weight: 600; }
.tablewrap { overflow-x: auto; }
.tablewrap table { border-collapse: collapse; width: 100%; min-width: 440px; font-variant-numeric: tabular-nums; }
.tablewrap th, .tablewrap td { padding: 9px 10px; text-align: right; font-size: 15.5px; border-bottom: 1px solid var(--line); }
.tablewrap td { font-family: var(--mono); font-size: 15px; }
.tablewrap thead th { font-family: var(--display); font-size: 14px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); font-weight: 600; border-bottom: 1.5px solid var(--ink); }
.tablewrap th:first-child, .tablewrap td:first-child { text-align: left; }
.tablewrap tbody th { font-weight: 500; }
.tablewrap tr.you th, .tablewrap tr.you td { background: var(--green-soft); }
.datatable td { font-family: var(--body); font-size: 15.5px; }
.datatable td.r, .datatable th.r { text-align: right; font-family: var(--mono); font-size: 15px; }
.datatable td:not(.r), .datatable th:not(.r) { text-align: left; }
.datatable thead th.r { font-family: var(--display); font-size: 14px; }
.calc-cta { background: var(--navy); color: var(--navy-ink); border-radius: 4px; padding: 18px clamp(14px, 3vw, 22px); display: flex; flex-direction: column; gap: 14px; }
.calc-cta p { font-size: 16px; line-height: 1.5; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.calc-cta .btn-ghost { color: var(--navy-ink); border-color: rgba(255, 255, 255, 0.55); }
.calc-cta .btn-ghost:hover { border-color: var(--navy-ink); }

/* ---------- value range and concentration ladder ---------- */
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.range { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.range .lab { font-size: 15px; font-weight: 600; color: var(--ink-2); }
.range .num { font-family: var(--mono); font-weight: 500; font-size: clamp(28px, 4.4vw, 42px); line-height: 1.12; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.range .num small { font-family: var(--body); font-size: 17px; font-weight: 400; letter-spacing: 0; color: var(--muted); }
.range .sub { font-size: 15px; color: var(--ink-2); line-height: 1.5; max-width: 62ch; }
.ladder { display: flex; flex-direction: column; gap: 2px; border-top: 1px solid var(--line); padding-top: 12px; min-width: 0; }
.ladder-title { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; font-size: 14px; font-weight: 600; color: var(--ink-2); margin-bottom: 4px; }
.ladder-title .hint { font-weight: 400; color: var(--muted); }
.rung {
  appearance: none; background: none; border: 0; margin: 0; font: inherit; color: inherit; text-align: left; cursor: pointer;
  width: 100%; display: grid; grid-template-columns: minmax(0, 1fr); gap: 4px 14px; align-items: center;
  padding: 8px; border-radius: 4px; min-width: 0;
}
@media (min-width: 560px) { .rung { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); } }
.rung:hover { background: var(--tint); }
.rung.you { background: var(--green-soft); }
.rc { min-width: 0; }
.rc b { display: block; font-family: var(--mono); font-size: 15px; font-weight: 500; }
.rc i { display: block; font-style: normal; font-size: 13.5px; color: var(--muted); line-height: 1.35; }
.rung.you .rc i { color: var(--ink-2); }
.rb { display: flex; align-items: center; gap: 8px; min-width: 0; }
.bar { flex: none; height: 14px; min-width: 3px; width: calc((100% - 128px) * var(--f, 0)); background: var(--bar); border-radius: 0 4px 4px 0; }
.rung.you .bar { background: var(--bar-you); }
.rv { font-family: var(--mono); font-size: 15px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.rung.you .rv { font-weight: 500; }
.atline { font-size: 16px; line-height: 1.5; }
.note.offer { border-left-color: var(--navy); }

/* ---------- concentration slider ---------- */
.conc-row { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px 14px; align-items: start; }
@media (min-width: 440px) { .conc-row { grid-template-columns: minmax(0, 1fr) 148px; } }
.slider { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.calc-form input[type="range"] { width: 100%; height: 44px; margin: 0; accent-color: var(--green); cursor: pointer; }
.scale { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.help.full { grid-column: 1 / -1; }

/* ---------- waitlist inside the calculator ---------- */
.calc-cta h3 { font-size: 24px; color: var(--navy-ink); }
.calc-cta .wl { max-width: none; }
.calc-cta .wl-field label { color: var(--navy-ink); }
.calc-cta .fine { color: var(--navy-ink); opacity: 0.85; font-size: 14px; }
.wl-done { color: var(--ink); }

/* ---------- FAQ and long-form ---------- */
.faq { display: flex; flex-direction: column; gap: 0; max-width: 800px; }
.faq > div { padding-block: 20px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.faq h3 { font-family: var(--body); font-size: 19px; font-weight: 600; line-height: 1.35; letter-spacing: 0; }
.faq p { color: var(--ink-2); max-width: 70ch; }
.article { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; }
@media (min-width: 980px) { .article { grid-template-columns: 240px minmax(0, 1fr); gap: 56px; } }
.toc { font-size: 15px; display: flex; flex-direction: column; gap: 10px; align-self: start; }
@media (min-width: 980px) { .toc { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 20px); } }
.toc ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.toc a { color: var(--ink-2); text-decoration: none; }
.toc a:hover { text-decoration: underline; }
.keyfacts { background: var(--paper); border: 1.5px solid var(--ink); border-radius: 4px; padding: 18px clamp(14px, 3vw, 22px); display: flex; flex-direction: column; gap: 12px; }
.sec.paper .keyfacts { background: var(--paper-2); }
.keyfacts ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.sources { font-size: 15px; color: var(--ink-2); }
.sources ol { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 8px; }
.sources a { overflow-wrap: anywhere; }
dl.gloss { margin: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
dl.gloss dt { font-weight: 600; }
dl.gloss dd { margin: 0; color: var(--ink-2); }

/* ---------- footer ---------- */
.site-foot { background: var(--navy); color: var(--navy-ink); padding-block: 36px; font-size: 15px; }
.site-foot a { color: var(--navy-ink); }
.foot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px 40px; }
.foot-grid > div { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.foot-grid .logo { color: var(--navy-ink); font-size: 22px; }
.foot-grid .logo .b, .foot-grid .logo .p { color: var(--navy-ink); }
.foot-grid .logo { --drop-outer: #3c9a49; --drop-inner: #ffffff; }
.foot-h { font-family: var(--display); font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; font-size: 14px; opacity: 0.8; }
.foot-legal { margin-top: 24px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, 0.25); font-size: 13.5px; line-height: 1.55; opacity: 0.9; max-width: 90ch; }