/* KesefSmart v2 design system: tokens, base, primitives, shell, legacy bridge.
   Loaded LAST on every page. Spec: docs/SPEC.md. */

:root {
  --ink: #12110E;
  --ink-2: rgba(18, 17, 14, .64);
  --ink-3: rgba(18, 17, 14, .6);  /* small text: ≥4.5:1 on paper */
  --ink-dim: rgba(18, 17, 14, .5); /* large display second clause only */
  --paper: #F4F1EA;
  --paper-2: #FBFAF6;
  --paper-3: #EAE5DA;
  --hair: rgba(18, 17, 14, .12);
  --hair-strong: rgba(18, 17, 14, .22);
  --stage: #0D0C0A;
  --stage-2: #171612;
  --stage-3: #211F1A;
  --parchment: #ECE6D8;
  --parchment-2: rgba(236, 230, 216, .64);
  --parchment-3: rgba(236, 230, 216, .54);
  --parchment-dim: rgba(236, 230, 216, .44);
  --hair-stage: rgba(236, 230, 216, .12);
  --kesef: #FFD602;
  --kesef-soft: rgba(255, 214, 2, .14);
  --kesef-ink: #12110E;
  --up: #1F7A4D;
  --up-stage: #5BD08F;
  --down: #B23E28;

  --font-display: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --font-sans: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --r-pill: 999px;
  --r-panel: 18px;
  --r-chip: 8px;
  --ease: cubic-bezier(.2, .7, 0, 1);
  --ease-out: cubic-bezier(.215, .61, .355, 1);
  --ease-roll: cubic-bezier(.23, 1, .32, 1);
  --gutter: clamp(20px, 5vw, 64px);
  --maxw: 1240px;
  --header-h: 64px;
  --section-y: clamp(72px, 9vw, 128px);

  --fs-display-xl: clamp(52px, 8.2vw, 116px);
  --fs-display-l: clamp(42px, 5.6vw, 80px);
  --fs-h2: clamp(36px, 4.4vw, 62px);
  --fs-h3: clamp(24px, 2.2vw, 30px);
  --fs-lead: clamp(18px, 1.5vw, 21px);
  --fs-body: 17px;

  /* Legacy bridge: old pages and tools read these */
  --color-primary: var(--ink);
  --color-primary-dark: #000;
  --color-primary-light: var(--ink);
  --color-primary-pale: var(--paper-3);
  --color-primary-ultra-pale: var(--paper-2);
  --primary: var(--ink);
  --primary-dark: #000;
  --primary-light: var(--paper-3);
  --color-white: var(--paper-2);
  --color-off-white: var(--paper);
  --color-light-gray: var(--paper-3);
  --color-lighter-gray: var(--paper-2);
  --white: var(--paper-2);
  --light: var(--paper);
  --light-gray: var(--paper-3);
  --color-gold: var(--kesef);
  --color-gold-light: var(--kesef);
  --color-gold-pale: #FFF6C2;
  --color-teal: var(--up);
  --color-teal-light: var(--up-stage);
  --color-teal-pale: #E4EFE7;
  --accent: var(--kesef);
  --secondary: var(--up);
  --secondary-light: #E4EFE7;
  --color-text-primary: var(--ink);
  --color-text-secondary: var(--ink-2);
  --color-text-tertiary: var(--ink-3);
  --dark: var(--ink);
  --gray: var(--ink-2);
  --color-success: var(--up);
  --color-error: var(--down);
  --success: var(--up);
  --danger: var(--down);
  --font-body: var(--font-sans);
  --font-accent: var(--font-sans);
  --radius-sm: var(--r-chip);
  --radius-md: var(--r-chip);
  --radius-lg: var(--r-panel);
  --radius-xl: var(--r-panel);
  --radius-2xl: var(--r-panel);
  --shadow-sm: none;
  --shadow-md: 0 1px 0 var(--hair);
  --shadow-lg: 0 24px 60px -32px rgba(18, 17, 14, .28);
  --shadow-xl: 0 24px 60px -32px rgba(18, 17, 14, .28);
  --shadow-2xl: 0 24px 60px -32px rgba(18, 17, 14, .28);
  --glow-primary: none;
  --glow-accent: none;
  --glow-gold: none;
}

/* ---------- Base ---------- */
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
html body, html body.dark-mode {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'ss01' on;
}
* { font-family: inherit; }
body :is(h1, h2, h3, h4, h5, h6) { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.02em; color: inherit; }
body :is(h1, h2) { font-variation-settings: 'opsz' 72; line-height: 1.02; }
body :is(h4, h5, h6) { font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.005em; }
::selection { background: var(--kesef); color: var(--kesef-ink); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 4px; }
.ks-stage :focus-visible, .ks-footer :focus-visible { outline-color: var(--kesef); }
img { max-width: 100%; height: auto; }
.tnum, [data-tnum] { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum' 1; }
.sr-only:not(:focus) { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Layout ---------- */
.ks-wrap { width: 100%; max-width: calc(var(--maxw) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.ks-section { padding: var(--section-y) 0; position: relative; }
.ks-section--tight { padding: calc(var(--section-y) * .62) 0; }
.ks-ground-2 { background: var(--paper-2); }
.ks-stage { background: var(--stage); color: var(--parchment); }
.ks-rule { height: 1px; background: var(--hair); border: 0; margin: 0; }
.ks-stage .ks-rule { background: var(--hair-stage); }

/* ---------- Type primitives ---------- */
.ks-eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 500 14px/1.2 var(--font-sans); letter-spacing: 0; color: var(--ink-2); margin: 0 0 22px; text-transform: none; }
.ks-eyebrow::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--kesef); box-shadow: 0 0 0 1px rgba(18, 17, 14, .18); flex: none; }
.ks-stage .ks-eyebrow { color: var(--parchment-2); }
.ks-stage .ks-eyebrow::before { box-shadow: none; }
.ks-display { font-family: var(--font-display); font-weight: 300; font-size: var(--fs-display-xl); line-height: .96; letter-spacing: -0.032em; font-variation-settings: 'opsz' 72; margin: 0; text-wrap: balance; }
.ks-h1 { font-family: var(--font-display); font-weight: 300; font-size: var(--fs-display-l); line-height: 1; letter-spacing: -0.028em; font-variation-settings: 'opsz' 72; margin: 0; text-wrap: balance; }
.ks-h2 { font-family: var(--font-display); font-weight: 300; font-size: var(--fs-h2); line-height: 1.02; letter-spacing: -0.026em; font-variation-settings: 'opsz' 72; margin: 0; text-wrap: balance; }
.ks-h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--fs-h3); line-height: 1.15; letter-spacing: -0.015em; margin: 0; }
.ks-dim { color: var(--ink-dim); }
.ks-stage .ks-dim { color: var(--parchment-dim); }
.ks-lead { font-size: var(--fs-lead); line-height: 1.55; color: var(--ink-2); max-width: 36em; margin: 0; }
.ks-stage .ks-lead { color: var(--parchment-2); }
.ks-micro { font: 400 13px/1.55 var(--font-sans); color: var(--ink-2); }
.ks-stage .ks-micro { color: var(--parchment-2); }
.ks-mono { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0; }
.ks-italic { font-style: italic; }
.ks-head { display: grid; gap: 20px; max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.ks-head--row { max-width: none; grid-template-columns: minmax(0, 860px) auto; justify-content: space-between; align-items: end; }
@media (max-width: 760px) { .ks-head--row { grid-template-columns: 1fr; } }

/* ---------- Buttons ---------- */
.ks-btn { --bh: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: var(--bh); padding: 0 24px; border-radius: var(--r-pill); font: 500 15px/1 var(--font-sans); letter-spacing: -0.005em; text-decoration: none; white-space: nowrap; cursor: pointer; border: 1px solid transparent; transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease); }
.ks-btn svg { width: 16px; height: 16px; flex: none; transition: transform .3s var(--ease); }
.ks-btn:hover svg { transform: translateX(3px); }
.ks-btn--primary { background: var(--kesef); color: var(--kesef-ink); }
.ks-btn--primary:hover { background: #FFE14D; }
.ks-btn--ink { background: var(--ink); color: var(--paper-2); }
.ks-btn--ink:hover { background: #000; }
.ks-btn--ghost { background: transparent; color: var(--ink); border-color: var(--hair-strong); }
.ks-btn--ghost:hover { border-color: var(--ink); }
.ks-stage .ks-btn--ghost, .ks-footer .ks-btn--ghost { color: var(--parchment); border-color: rgba(236, 230, 216, .28); }
.ks-stage .ks-btn--ghost:hover, .ks-footer .ks-btn--ghost:hover { border-color: var(--parchment); }
.ks-btn--sm { --bh: 40px; padding: 0 18px; font-size: 14px; }
.ks-btn:active { transform: scale(.98); }
.ks-link { color: inherit; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; font-weight: 500; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.ks-link svg { width: 14px; height: 14px; transition: transform .3s var(--ease); }
.ks-link:hover svg { transform: translateX(3px); }
.ks-reassure { margin-top: 18px; font-size: 13px; color: var(--ink-2); display: flex; gap: 8px 14px; flex-wrap: wrap; }
.ks-stage .ks-reassure { color: var(--parchment-2); }
.ks-reassure span + span::before { content: '·'; margin-right: 14px; opacity: .6; }

/* ---------- Fields ---------- */
.ks-field { display: grid; gap: 8px; }
.ks-field label, .ks-label { font: 500 13px/1.3 var(--font-sans); color: var(--ink-2); }
.ks-stage .ks-field label, .ks-stage .ks-label { color: var(--parchment-2); }
.ks-input { min-height: 48px; width: 100%; padding: 0 16px; border-radius: var(--r-chip); border: 1px solid var(--hair-strong); background: var(--paper-2); color: var(--ink); font: 400 16px/1 var(--font-sans); font-variant-numeric: tabular-nums; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.ks-input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px var(--kesef-soft); }
.ks-stage .ks-input { background: var(--stage-2); border-color: rgba(236, 230, 216, .2); color: var(--parchment); }
.ks-stage .ks-input:focus { border-color: var(--kesef); }

/* Range slider */
.ks-range { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; cursor: pointer; --p: 50%; }
.ks-range::-webkit-slider-runnable-track { height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--kesef) var(--p), rgba(236, 230, 216, .2) var(--p)); }
.ks-range::-moz-range-track { height: 2px; background: rgba(236, 230, 216, .2); }
.ks-range::-moz-range-progress { height: 2px; background: var(--kesef); }
.ks-range::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; margin-top: -10px; border-radius: 50%; background: var(--kesef); border: 4px solid var(--stage); box-shadow: 0 0 0 1px var(--kesef); }
.ks-range::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--kesef); border: 4px solid var(--stage); box-shadow: 0 0 0 1px var(--kesef); }
.ks-on-paper .ks-range::-webkit-slider-runnable-track { background: linear-gradient(90deg, var(--ink) var(--p), var(--hair-strong) var(--p)); }
.ks-on-paper .ks-range::-webkit-slider-thumb { background: var(--ink); border-color: var(--paper-2); box-shadow: 0 0 0 1px var(--ink); }

/* Segmented control */
.ks-seg { display: inline-flex; padding: 4px; gap: 2px; border-radius: var(--r-pill); background: var(--paper-3); border: 1px solid var(--hair); }
.ks-seg button { min-height: 40px; padding: 0 18px; border: 0; border-radius: var(--r-pill); background: transparent; color: var(--ink-2); font: 500 14px/1 var(--font-sans); cursor: pointer; font-variant-numeric: tabular-nums; transition: background .25s var(--ease), color .25s var(--ease); }
.ks-seg button[aria-selected="true"], .ks-seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper-2); }
.ks-stage .ks-seg { background: var(--stage-2); border-color: var(--hair-stage); }
.ks-stage .ks-seg button { color: var(--parchment-2); }
.ks-stage .ks-seg button[aria-pressed="true"], .ks-stage .ks-seg button[aria-selected="true"] { background: var(--parchment); color: var(--stage); }

/* Panels */
.ks-panel { background: var(--paper-2); border: 1px solid var(--hair); border-radius: var(--r-panel); padding: clamp(22px, 3vw, 36px); }
.ks-stage .ks-panel { background: var(--stage-2); border-color: var(--hair-stage); }

/* Disclaimer */
.ks-disclaimer { font: 400 13px/1.55 var(--font-sans); color: var(--ink-2); max-width: 64em; margin-top: 20px; }
.ks-stage .ks-disclaimer { color: var(--parchment-2); }

/* Odometer digits: window taller than 1em so glyph ascenders never peek from the next digit */
.ks-odo { --odo-h: 1.25em; display: inline-flex; line-height: var(--odo-h); height: var(--odo-h); margin: calc((1em - var(--odo-h)) / 2) 0; vertical-align: baseline; }
.ks-odo > span { display: inline-block; height: var(--odo-h); overflow: hidden; vertical-align: top; }
.ks-odo .col { display: flex; flex-direction: column; transition: transform .9s var(--ease); }
.ks-odo .col > span { height: var(--odo-h); line-height: var(--odo-h); display: block; text-align: center; }

/* ---------- Header ---------- */
#site-header.ks-header, header#site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 1000; height: var(--header-h);
  background: transparent; border-bottom: 1px solid transparent; box-shadow: none; padding: 0; transform: none;
  transition: background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
  color: var(--ink);
}
header#site-header.ks-on-stage { color: var(--parchment); }
header#site-header.is-scrolled, header#site-header.menu-open { background: rgba(244, 241, 234, .9); -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px); border-bottom-color: var(--hair); color: var(--ink); }
header#site-header .header-placeholder { display: none; }
header#site-header.is-scrolled.on-dark:not(.menu-open) { background: rgba(13, 12, 10, .82); border-bottom-color: var(--hair-stage); color: var(--parchment); }
header#site-header.is-scrolled.on-dark:not(.menu-open) .ks-btn--ghost { color: var(--parchment); border-color: rgba(236, 230, 216, .28); }
.ks-nav { height: var(--header-h); display: flex; align-items: center; gap: 28px; }
.ks-logo { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font: 600 19px/1 var(--font-sans); letter-spacing: -0.02em; margin-right: auto; min-height: 44px; }
.ks-logo img { width: 26px; height: 26px; display: block; }
.ks-nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.ks-nav-links a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border-radius: var(--r-pill); color: inherit; text-decoration: none; font: 450 15px/1 var(--font-sans); opacity: .78; transition: opacity .2s, background .2s; }
.ks-nav-links a:hover, .ks-nav-links a[aria-current="page"] { opacity: 1; }
.ks-nav-links a[aria-current="page"] { background: rgba(127, 120, 105, .14); }
.ks-nav-actions { display: flex; align-items: center; gap: 8px; }
header#site-header.ks-on-stage:not(.is-scrolled):not(.menu-open) .ks-btn--ghost { color: var(--parchment); border-color: rgba(236, 230, 216, .28); }
.ks-menu-btn { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: inherit; cursor: pointer; border-radius: var(--r-pill); position: relative; }
.ks-menu-btn span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: currentColor; transition: transform .35s var(--ease), top .35s var(--ease); }
.ks-menu-btn span:nth-child(1) { top: 18px; }
.ks-menu-btn span:nth-child(2) { top: 25px; }
.menu-open .ks-menu-btn span:nth-child(1) { top: 21.5px; transform: rotate(45deg); }
.menu-open .ks-menu-btn span:nth-child(2) { top: 21.5px; transform: rotate(-45deg); }
.ks-sheet { display: none; }
/* The blur lives on a pseudo-element: backdrop-filter on the header itself would make it the containing
   block for the fixed menu sheet and clip the sheet to the header's 72px. */
header#site-header.is-scrolled, header#site-header.menu-open { -webkit-backdrop-filter: none; backdrop-filter: none; }
header#site-header::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0; transition: opacity .3s var(--ease); -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px); }
header#site-header.is-scrolled::before { opacity: 1; }
@media (max-width: 900px) {
  .ks-nav-links, .ks-nav-actions .ks-hide-m { display: none; }
  .ks-menu-btn { display: block; }
  header#site-header.menu-open { background: var(--paper); border-bottom-color: var(--hair); }
  header#site-header.menu-open::before { opacity: 0; }
  .ks-sheet {
    display: flex; flex-direction: column; position: fixed; top: var(--header-h); left: 0; right: 0; height: calc(100dvh - var(--header-h));
    background: var(--paper); color: var(--ink); padding: 8px var(--gutter) calc(20px + env(safe-area-inset-bottom)); overflow-y: auto; overscroll-behavior: contain;
    visibility: hidden; clip-path: inset(0 0 100% 0); transition: clip-path .5s var(--ease-out, cubic-bezier(.215,.61,.355,1)), visibility 0s .5s;
  }
  .menu-open .ks-sheet { visibility: visible; clip-path: inset(0 0 0 0); transition-delay: 0s; }
  .ks-sheet-nav { list-style: none; margin: 0; padding: 0; }
  .ks-sheet-nav li { border-bottom: 1px solid var(--hair); }
  .ks-sheet-nav a { display: grid; grid-template-columns: 34px 1fr; grid-template-areas: "n t" "n d"; align-items: baseline; column-gap: 6px; padding: 16px 0 15px; color: var(--ink); text-decoration: none; }
  .ks-sheet-n { grid-area: n; font: 400 12px/1 var(--font-mono); color: var(--ink-3); align-self: start; padding-top: 12px; }
  .ks-sheet-t { grid-area: t; font: 300 clamp(34px, 10vw, 44px)/1.02 var(--font-display); letter-spacing: -0.025em; }
  .ks-sheet-d { grid-area: d; font: 400 14px/1.4 var(--font-sans); color: var(--ink-3); margin-top: 4px; }
  .ks-sheet-nav a[aria-current="page"] .ks-sheet-t { font-style: italic; }
  .ks-sheet-nav a[aria-current="page"] .ks-sheet-n { color: var(--ink); }
  .ks-sheet-nav a:active .ks-sheet-t { opacity: .6; }
  .ks-sheet-quick { padding: 24px 0 8px; }
  .ks-sheet-label { font: 500 13px/1 var(--font-sans); color: var(--ink-3); margin: 0 0 12px; }
  .ks-sheet-chips { display: flex; flex-wrap: wrap; gap: 8px; }
  .ks-sheet-chips a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--hair-strong); border-radius: var(--r-pill); color: var(--ink); text-decoration: none; font: 500 14px/1 var(--font-sans); }
  .ks-sheet-cta { margin-top: auto; padding-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .ks-sheet-cta .ks-btn { width: 100%; justify-content: center; }
  @media (prefers-reduced-motion: no-preference) {
    .ks-sheet-nav li, .ks-sheet-quick, .ks-sheet-cta { opacity: 0; transform: translateY(14px); transition: opacity .45s var(--ease-out, ease), transform .55s var(--ease-out, ease); }
    .menu-open .ks-sheet-nav li, .menu-open .ks-sheet-quick, .menu-open .ks-sheet-cta { opacity: 1; transform: none; transition-delay: calc(80ms + var(--i, 0) * 45ms); }
  }
  @media (prefers-reduced-motion: reduce) { .ks-sheet { transition: none; } }
}
html.ks-menu-lock, html.ks-menu-lock body { overflow: hidden; }

/* ---------- Footer (W7, curtain) ----------
   Default (no JS, phones, reduced motion, short screens): a static stacked footer.
   main.js adds html.ks-curtain on desktop with motion allowed when the footer fits the viewport:
   the footer is then fixed behind <main> and uncovered like a curtain. --fp (0..1) is the reveal progress. */
footer.ks-footer, body > footer.footer-loaded { background: var(--stage-2); color: var(--parchment); padding: 0; margin: 0; border: 0; position: relative; overflow: hidden; }
footer.ks-footer::before, footer.ks-footer::after { content: none; display: none; }
.ks-footer :is(h2, h3, p, ul) { margin: 0; color: inherit; }
.ks-footer a { color: var(--parchment-2); text-decoration: none; transition: color .3s var(--ease); }
.ks-footer a:hover { color: var(--parchment); }
.ks-footer a.ks-btn--primary, .ks-footer a.ks-btn--primary:hover { color: var(--kesef-ink); }
.ks-footer a.ks-btn--ghost { color: var(--parchment); }
.ks-footer-inner { position: relative; }
.ks-footer-wrap { position: relative; display: flex; flex-direction: column; padding-top: clamp(72px, 9vw, 120px); }
.ks-footer-wrap > * { position: relative; z-index: 1; }
.ks-footer-rule { height: 1px; background: rgba(236, 230, 216, .2); transform-origin: left center; }

/* 1. The closer */
.ks-closer { display: grid; gap: 28px; padding-top: clamp(36px, 4vw, 56px); }
.ks-closer .ks-eyebrow { color: var(--parchment-2); margin-bottom: 18px; }
.ks-closer .ks-eyebrow::before { box-shadow: none; }
.ks-closer__line { font-family: var(--font-display); font-weight: 300; font-size: clamp(52px, 8vw, 120px); line-height: .94; letter-spacing: -0.035em; font-variation-settings: 'opsz' 72; color: var(--parchment); text-wrap: balance; }
.ks-closer__line .ks-dim { display: block; color: var(--parchment-dim); }
.ks-closer__sub { font: 400 17px/1.55 var(--font-sans); color: var(--parchment-2); max-width: 30em; }
.ks-closer__ctas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

/* 2. Giant serif nav + small columns, 3. coin slot */
.ks-footer-mid { display: grid; gap: 48px; margin-top: clamp(56px, 7vw, 88px); padding-top: clamp(36px, 4vw, 48px); }
.ks-footer-mid::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--hair-stage); transform-origin: left center; }
.ks-bignav ul { list-style: none; padding: 0; display: grid; gap: 2px; }
.ks-bignav a { display: inline-flex; align-items: flex-start; gap: 14px; min-height: 44px; padding: 2px 0; color: var(--parchment); font: 300 clamp(40px, 4.6vw, 64px)/1.04 var(--font-display); letter-spacing: -0.04em; font-variation-settings: 'opsz' 72; }
.ks-bignav__n { font: 400 12px/1 var(--font-mono); letter-spacing: 0; color: var(--parchment-3); padding-top: .9em; min-width: 2.2em; transition: color .3s var(--ease); }
.ks-bignav__t { position: relative; padding-bottom: .04em; }
.ks-bignav__t::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: max(1.5px, .028em); background: currentColor; transform: scaleX(0); transform-origin: left center; transition: transform .6s var(--ease-out); }
.ks-bignav a:hover .ks-bignav__t::after, .ks-bignav a:focus-visible .ks-bignav__t::after { transform: scaleX(1); transform-origin: right center; }
.ks-bignav a:hover .ks-bignav__n, .ks-bignav a:focus-visible .ks-bignav__n { color: var(--kesef); }
@media (hover: hover) { .ks-bignav ul:hover a:not(:hover) { color: var(--parchment-dim); } }
.ks-footer-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; align-content: start; }
.ks-footer .ks-footer-h { font: 500 13px/1.2 var(--font-sans); letter-spacing: 0; color: var(--parchment); margin-bottom: 12px; }
.ks-footer-cols ul { list-style: none; padding: 0; display: grid; }
.ks-footer-cols a { display: inline-flex; align-items: center; min-height: 44px; font-size: 15px; line-height: 1.3; }
@media (min-width: 900px) and (pointer: fine) { .ks-footer-cols a { min-height: 32px; } }
.ks-footer-coin { position: relative; width: clamp(200px, 56vw, 300px); aspect-ratio: 1; order: -1; }
.ks-footer-coin > * { width: 100%; height: 100%; display: block; }
.ks-footer-coin:has(canvas) .ks-coin-fallback, .ks-footer-coin[data-coin-live] .ks-coin-fallback { display: none; }
.ks-coin-fallback { overflow: visible; }
.ks-coin-fallback__rim { fill: url(#ks-coin-face); stroke: rgba(236, 230, 216, .26); stroke-width: 1; vector-effect: non-scaling-stroke; }
.ks-coin-fallback__reed { fill: none; stroke: rgba(236, 230, 216, .16); stroke-width: 5; stroke-dasharray: .6 2.3; }
.ks-coin-fallback__inner { fill: none; stroke: rgba(236, 230, 216, .16); stroke-width: 1; vector-effect: non-scaling-stroke; }
.ks-coin-fallback__k { font-family: var(--font-display); font-weight: 300; font-size: 96px; font-variation-settings: 'opsz' 72; fill: rgba(236, 230, 216, .86); letter-spacing: 0; }
.ks-footer-coin::after { content: ''; position: absolute; left: 14%; right: 14%; bottom: -9%; height: 10%; border-radius: 50%; background: radial-gradient(closest-side, rgba(0, 0, 0, .55), transparent); z-index: -1; pointer-events: none; }

/* 4. The wordmark: live text, filled, fitted to the container width */
.ks-footer-mark { container-type: inline-size; margin-top: clamp(48px, 7vw, 96px); overflow: hidden; pointer-events: none; user-select: none; }
.ks-footer .ks-wordmark { font: 300 22vw/.74 var(--font-display); font-size: calc(100cqi / 2.215); letter-spacing: -0.04em; font-variation-settings: 'opsz' 72; color: rgba(236, 230, 216, .09); text-align: center; white-space: nowrap; padding-top: .06em; transform-origin: 50% 100%; }
/* the glyphs are generated content: a decorative logotype at 9% (WCAG 1.4.3 logotype/incidental), kept out of the text contrast audit */
.ks-footer .ks-wordmark::before { content: attr(data-text); }
html.ks-curtain .ks-footer .ks-wordmark { color: rgba(236, 230, 216, .05); } /* behind the nav in curtain mode: quieter so the links read first */

/* 5. Meta row */
.ks-footer-legal { border-top: 1px solid var(--hair-stage); padding: 24px 0 32px; display: grid; gap: 14px; font-size: 13px; line-height: 1.6; color: var(--parchment-2); }
.ks-footer-legal p { max-width: 64em; }
.ks-footer-legal .row { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.ks-footer-legal a { display: inline-block; padding: 4px 0; }

@media (min-width: 900px) {
  .ks-closer { grid-template-columns: minmax(0, 1fr) minmax(300px, 380px); align-items: end; column-gap: 64px; }
  .ks-closer__aside { padding-bottom: .5em; }
  .ks-footer-mid { grid-template-columns: max-content minmax(0, 1fr) auto; column-gap: clamp(32px, 4.4vw, 72px); align-items: start; }
  .ks-footer-cols { grid-template-columns: minmax(0, 1.45fr) minmax(0, .85fr) minmax(0, 1.25fr); column-gap: 28px; padding-top: 14px; }
  .ks-footer-cols a { font-size: 14.5px; }
  .ks-footer-coin { order: 0; width: clamp(240px, 24vw, 360px); }
  .ks-footer-legal { grid-template-columns: minmax(0, 1fr) auto; align-items: end; column-gap: 48px; }
  .ks-footer-legal .row { flex-direction: column; align-items: flex-end; gap: 2px; }
}
@media (max-width: 899px) {
  .ks-footer-coin { justify-self: center; width: clamp(200px, 60vw, 280px); margin-bottom: 8px; }
}

/* Footer link groups are <details>: always open above phone width, summary acts as a plain heading */
.ks-fcol > summary { list-style: none; cursor: default; }
.ks-fcol > summary::-webkit-details-marker { display: none; }

/* Phone footer: nav and coin side by side, link groups as tidy accordion rows, a compact meta block */
@media (max-width: 767px) {
  .ks-footer-wrap { padding-top: 56px; }
  .ks-closer { gap: 20px; padding-top: 32px; }
  .ks-closer .ks-eyebrow { margin-bottom: 14px; }
  .ks-closer__line { font-size: clamp(48px, 14.5vw, 64px); }
  .ks-closer__sub { font-size: 16px; }
  .ks-closer__ctas { display: grid; grid-template-columns: 1fr 1fr; margin-top: 20px; }
  .ks-closer__ctas .ks-btn { justify-content: center; padding-left: 12px; padding-right: 12px; }
  .ks-footer-mid { grid-template-columns: minmax(0, 1fr) auto; gap: 0; margin-top: 48px; padding-top: 28px; }
  .ks-bignav { grid-column: 1; grid-row: 1; }
  .ks-bignav ul { gap: 0; }
  .ks-bignav a { font-size: clamp(34px, 10.4vw, 42px); gap: 10px; }
  .ks-bignav__n { min-width: 1.9em; }
  .ks-footer-coin { grid-column: 2; grid-row: 1; order: 0; justify-self: end; align-self: start; width: clamp(108px, 33vw, 140px); margin: 6px 0 0; }
  .ks-footer-coin::after { bottom: -12%; }
  .ks-footer-cols { grid-column: 1 / -1; grid-row: 2; display: block; margin-top: 36px; border-top: 1px solid var(--hair-stage); }
  .ks-fcol { border-bottom: 1px solid var(--hair-stage); }
  .ks-fcol > summary { cursor: pointer; display: flex; align-items: center; justify-content: space-between; min-height: 56px; margin: 0; font-size: 15px; }
  .ks-fcol > summary::after { content: ""; width: 12px; height: 12px; background: linear-gradient(currentColor, currentColor) center / 12px 1.5px no-repeat, linear-gradient(currentColor, currentColor) center / 1.5px 12px no-repeat; transition: transform .35s var(--ease-out); opacity: .7; }
  .ks-fcol[open] > summary::after { transform: rotate(45deg); }
  .ks-fcol ul { display: grid; grid-template-columns: 1fr 1fr; column-gap: 16px; padding-bottom: 14px; }
  .ks-fcol a { min-height: 44px; font-size: 15px; }
  .ks-footer-mark { margin-top: 40px; }
  .ks-footer .ks-wordmark { color: rgba(236, 230, 216, .12); }
  .ks-footer-legal { padding: 20px 0 calc(28px + env(safe-area-inset-bottom)); font-size: 12.5px; }
}

/* Curtain mode (desktop, motion allowed, fits the viewport): set by main.js */
html.ks-curtain body { margin-bottom: var(--ks-footer-h, 100vh); }
html.ks-curtain main { position: relative; z-index: 1; background: var(--paper); box-shadow: 0 1px 0 rgba(236, 230, 216, .08), 0 28px 64px -8px rgba(0, 0, 0, .62); }
html.ks-curtain footer.ks-footer { position: fixed; left: 0; right: 0; bottom: 0; height: 100vh; z-index: 0; }
html.ks-curtain .ks-footer-inner { height: 100%; }
html.ks-curtain .ks-footer-wrap { height: 100%; padding-top: calc(var(--header-h) + clamp(16px, 3.4vh, 40px)); }
html.ks-curtain .ks-closer { padding-top: clamp(12px, 2.4vh, 32px); }
html.ks-curtain .ks-closer__line { font-size: clamp(64px, min(7.6vw, 12vh), 120px); }
html.ks-curtain .ks-bignav ul { gap: 0; }
html.ks-curtain .ks-bignav a { font-size: clamp(40px, min(4.6vw, 7vh), 64px); line-height: 1.02; }
html.ks-curtain .ks-footer-mid { margin-top: clamp(28px, 4.4vh, 64px); padding-top: clamp(22px, 3.4vh, 40px); }
html.ks-curtain .ks-footer-coin { width: clamp(240px, min(24vw, 38vh), 360px); }
html.ks-curtain .ks-footer-mark { position: absolute; z-index: 0; left: var(--gutter); right: var(--gutter); bottom: 0; margin: 0; }
html.ks-curtain .ks-footer-legal { margin-top: auto; padding: 16px 0 22px; border-top-color: transparent; }

/* Motion (JS present and motion allowed): rules draw, the object scales and the wordmark rises with --fp */
@media (prefers-reduced-motion: no-preference) {
  html.ks-motion .ks-footer-rule, html.ks-motion .ks-footer-mid::before { transform: scaleX(0); transition: transform .6s var(--ease-out); }
  html.ks-motion .ks-footer-mid::before { transition-delay: .12s; }
  html.ks-motion .ks-footer.is-open .ks-footer-rule, html.ks-motion .ks-footer.is-open .ks-footer-mid::before { transform: scaleX(1); }
  html.ks-motion .ks-footer-coin { transform: scale(calc(.92 + .08 * var(--fp, 1))); transform-origin: 50% 60%; }
  html.ks-motion .ks-footer .ks-wordmark { transform: translateY(calc((1 - var(--fp, 1)) * 34%)) scale(calc(.92 + .08 * var(--fp, 1))); opacity: calc(.1 + .9 * var(--fp, 1)); }
}
@media print { html.ks-curtain body { margin-bottom: 0; } html.ks-curtain footer.ks-footer { position: static; height: auto; } }

/* ---------- Legacy neutralisers (old shell, AI tells) ---------- */
.dark-mode-toggle, .nav-dark-mode-toggle, .floating-badge, .animated-blob, .scroll-indicator, .hero-badge, .trust-dot { display: none !important; }
body [class*="blob"] { filter: none; }
.card-shine, .corner-fold { display: none !important; }
main#main-content { padding-top: 0; }

/* Links inside running text are underlined (not colour-only) */
.ks-footer-legal a { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }

/* ---------- Reveal system (NDS #15): one curve, one distance, 80ms stagger via --i.
   Content is visible by default; main.js adds html.ks-motion and .is-in only when motion is allowed. */
@media (prefers-reduced-motion: no-preference) {
  html.ks-motion .ks-reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); transition-delay: calc(var(--i, 0) * 80ms); }
  html.ks-motion .ks-reveal.is-in { opacity: 1; transform: none; }
}