/* Industry — design-system tokens and component classes. This file is the source of truth for the system's look; retune it here and see readme.md. */
@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;700&family=Barlow+Condensed:wght@400;600&display=swap');

:root {
  --color-bg: #f2f2f3;
  --color-surface: #e9e9ea;
  --color-text: #1d1f20;
  --color-accent: #5980a6;
  --color-accent-2: #728fab;
  --color-divider: color-mix(in srgb, #1d1f20 16%, transparent);

  /* Tonal ramps — generated in OKLCH on one shared lightness scale, so the
     same step of any role matches the others in visual value. */
  --color-neutral-100: #f5f5f8;
  --color-neutral-200: #e7e7ea;
  --color-neutral-300: #d4d4d7;
  --color-neutral-400: #b7b7ba;
  --color-neutral-500: #98989b;
  --color-neutral-600: #7a7a7d;
  --color-neutral-700: #5d5d60;
  --color-neutral-800: #424244;
  --color-neutral-900: #2b2b2d;

  --color-accent-100: #eef6ff;
  --color-accent-200: #d6ebff;
  --color-accent-300: #b5d9fd;
  --color-accent-400: #94bce3;
  --color-accent-500: #749dc4;
  --color-accent-600: #597ea3;
  --color-accent-700: #416180;
  --color-accent-800: #2c455d;
  --color-accent-900: #1d2d3d;

  --color-accent-2-100: #eef6ff;
  --color-accent-2-200: #d6ebff;
  --color-accent-2-300: #bdd8f2;
  --color-accent-2-400: #9ebbd8;
  --color-accent-2-500: #7e9cb8;
  --color-accent-2-600: #627d98;
  --color-accent-2-700: #486077;
  --color-accent-2-800: #314457;
  --color-accent-2-900: #1f2d3a;

  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-heading-weight: 600;
  --font-body: "Barlow", system-ui, sans-serif;

  --space-1: 3.4px;
  --space-2: 6.8px;
  --space-3: 10.2px;
  --space-4: 13.6px;
  --space-6: 20.4px;
  --space-8: 27.2px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 7px;

  /* Elevation — derived from the ground: soft ink-tinted shadows on a
     light theme, a hairline edge + ambient darkness on a dark one. */
  --shadow-sm: 0 1px 2px color-mix(in srgb, #2b2b2d 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2b2b2d 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2b2b2d 22%, transparent);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); }

.blueprint {
  position: relative;
  border: 1px solid var(--color-divider);
  border-radius: 0;
}
/* The overlay image treatments (halftone, duotone) clip their overlay
   (overflow:hidden); a blueprint wrapper draws its registration marks
   outside the box, so when both classes share a wrapper the frame must
   win. */
.blueprint.halftone, .blueprint.plate, .blueprint.duotone { overflow: visible; }
.blueprint > .corner {
  position: absolute; width: 11px; height: 11px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.blueprint > .corner::before, .blueprint > .corner::after {
  content: ""; position: absolute; background: currentColor;
}
.blueprint > .corner::before { left: 5px; top: 0; width: 1px; height: 100%; }
.blueprint > .corner::after  { top: 5px; left: 0; width: 100%; height: 1px; }
.blueprint > .corner.tl { top: -6px; left: -6px; }
.blueprint > .corner.tr { top: -6px; right: -6px; }
.blueprint > .corner.bl { bottom: -6px; left: -6px; }
.blueprint > .corner.br { bottom: -6px; right: -6px; }

.duotone{position:relative;overflow:hidden}
.duotone::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:var(--color-accent);mix-blend-mode:color}

/* ══════════════════════════════════════════════════════════════════════════
   Components — built with the tokens above. Plain CSS
   on plain HTML: no JavaScript, no build step. Each class is documented in
   readme.md and demonstrated in foundations/ and components/.
   ══════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-size: 15px; line-height: 1.55; font-weight: 400; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 25px; }
h4 { font-size: 20px; }
h5 { font-size: 16px; }
h6 { font-size: 13px; }
h6 { letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption {
  font-size: 11px; margin-top: var(--space-1);
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

/* — rules — */
.hr {
  height: 1px; border: 0; margin: var(--space-4) 0;
  background: var(--color-divider);
}

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text); /* matches the .input's 14px —
     the pair sits side by side in sign-up rows */
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); }

/* — forms — */
.field > label {
  display: block; font-size: 12px; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; }
.radio input, .seg-opt input {
  position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none;
}
.radio .dot {
  width: 16px; height: 16px; flex: none; border-radius: 50%;
  border: 1.5px solid var(--color-divider);
}
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot {
  border-color: var(--color-accent); background: var(--color-accent);
  box-shadow: inset 0 0 0 4px var(--color-bg);
}
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.seg {
  display: inline-flex; overflow: hidden;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.seg-opt {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: 13px; cursor: pointer;
}
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { background: var(--color-accent); color: var(--color-bg); }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface);
}
.card-kicker { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.card-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 17px; line-height: 1.2;
}
.card-body { margin: 0; font-size: 13px; opacity: 0.8; flex: 1; }
.card-meta {
  display: flex; align-items: center; gap: 6px; font-size: 11px;
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 11px;
  letter-spacing: 0.02em; padding: 3px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-accent-2 { background: var(--color-accent-2-100); color: var(--color-accent-2-800); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }

/* — navigation — */
.nav {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-bottom: none;
}
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 18px; margin-right: auto;
}
.nav a { color: inherit; text-decoration: none; font-size: 14px; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent); }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 1px solid var(--color-divider);
}
.table td {
  padding: var(--space-2);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }

/* — dialog — */
.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center;
  padding: var(--space-4);
  background: color-mix(in srgb, var(--color-neutral-900) 50%, transparent);
}
.dialog {
  width: min(440px, 100%); display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
}
.dialog-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 20px;
}
.dialog-body { font-size: 14px; opacity: 0.85; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

/* — blueprint frame: components are wireframe objects (see .blueprint
     and .corner above) — square, transparent, hairline-bordered — */
.card, .btn, .input, .tag, .seg, .dialog { border-radius: 0; }
.card, .dialog { background: transparent; border: 1px solid var(--color-divider); }
.btn { border: 1px solid var(--color-divider); }
.btn-primary { border-color: var(--color-accent); }
.btn-ghost { border-color: transparent; }



/* ==== Cane & Carbon overlay ==== */

:root{
--font-heading:'Source Serif 4',Georgia,serif;
--font-body:'IBM Plex Sans','IBM Plex Sans Devanagari',system-ui,sans-serif;
--color-bg:#FFFFFF; --color-surface:#F4FAF7; --color-text:#0F172A;
--color-divider:#E6EBE8; --color-border:#E6EBE8;
--color-accent:#0FA36B; --color-accent-100:#E8F7F0; --color-accent-200:#CDEEDF; --color-accent-300:#A5E2C8;
--color-accent-400:#7CCBA9; --color-accent-500:#0FA36B; --color-accent-600:#0C8A5A; --color-accent-700:#0FA36B;
--color-accent-800:#0A6B47; --color-accent-900:#0E2B22;
--color-neutral-100:#F6F8F7; --color-neutral-200:#E6EBE8; /* 400 is the control-border token (chain pills, FAQ filters, Legal contents, language
   buttons). Darkened from #C7D4D0 (1.45:1) to clear WCAG 1.4.11's 3:1 for UI boundaries
   on both grounds: 3.87:1 on white, 3.46:1 on the #F4FAF7 surface. */
--color-neutral-300:#D5DBD8; --color-neutral-400:#7A8681;
/* 500/600 are darkened from Theme.dc.html's swatches (#8A9B95 / #63756F): Industry's
   markup spends them on 9-12px microcopy — chevrons, kickers, index numerals — which needs
   4.5:1, and the originals gave 2.67-4.48:1. Same desaturated blue-green family, AA on both
   white and the #F4FAF7 surface. Keep the muted intent; do not restore the lighter values. */
--color-neutral-500:#5F6C67; --color-neutral-600:#55625D; --color-neutral-700:#55625D; --color-neutral-800:#3D4A45; --color-neutral-900:#0B1512;
--radius:2px; --radius-sm:2px; --radius-md:2px; --radius-lg:2px;
}
.corner{display:none !important}
.blueprint,.card,.btn,.tag,.input{border-radius:2px}
h1,h2,h3,.card-title{font-weight:600;letter-spacing:0}
.k{font-family:'IBM Plex Mono',monospace !important;font-weight:600 !important;letter-spacing:0.18em !important}
.dev{font-family:'IBM Plex Sans Devanagari',sans-serif !important}
/* Mono is the numeric treatment; colour stays with the element's own intent
   (teal numerals on light, white on dark panels). Gold is opt-in via .metric. */
.num{font-family:'IBM Plex Mono',monospace !important;font-weight:600 !important}
/* Gold rule: metric figures and units only. Never wayfinding, never words.
   Bold is load-bearing, not decorative: #0C8A5A on white is 3.15:1, which only clears
   AA as WCAG "large text" — ≥24px, or ≥18.66px when bold. At the 22px used by the
   fast-facts cards, weight 700 is what makes the 3:1 threshold apply. Do not drop it. */
.metric{font-family:'IBM Plex Mono',monospace !important;font-weight:700 !important;color:#0C8A5A !important}
/* The unit travels with the figure — "60 %" is one metric, not a number plus a stray span. */
.metric span{color:inherit !important}
a{text-underline-offset:3px}
a:hover{color:#2FA8D8}
*:focus-visible{outline:2px solid #2FA8D8;outline-offset:2px}
::selection{background:#CDEEDF}
/* Photography runs full colour in Cane & Carbon. Industry duotones every image through
   .duotone and greys the logos inline; both treatments are undone here. */
.duotone{filter:none !important;background:transparent !important;mix-blend-mode:normal !important}
.duotone::after{display:none !important}
.duotone > *{filter:none !important;mix-blend-mode:normal !important;opacity:1 !important}
img,[role="img"]{filter:none !important}

/* ---- shared page base (was per-page helmet) ---- */
html{scroll-behavior:smooth}
body{-webkit-font-smoothing:antialiased}
.k{font-family:var(--font-heading);font-weight:600;text-transform:uppercase;letter-spacing:0.14em;font-size:11px}
.dev{font-family:'IBM Plex Sans Devanagari',sans-serif}
.num{font-family:var(--font-heading);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:0}
.rule{border-top:1px solid var(--color-divider)}
@media (prefers-reduced-motion: reduce){*{animation:none !important;transition:none !important}html{scroll-behavior:auto}}

/* ---- accessibility ---- */
.skip-link{position:absolute;left:-9999px;top:0;z-index:300;background:var(--color-accent);color:var(--color-bg);padding:10px 16px;font-family:var(--font-body);font-size:14px}
.skip-link:focus{left:8px;top:8px}

/* ---- validation logos ---- */
.vlogo{filter:grayscale(1);opacity:.82;transition:opacity .25s ease,filter .25s ease}
.vlogo:hover,.blueprint:hover .vlogo{filter:grayscale(0);opacity:1}

/* ---- video slots ---- */
[data-vslot] iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---- header (static chrome) ---- */
.site-hd{display:block;position:sticky;top:0;z-index:100}
.site-hd .sh-bar{background:var(--color-bg);border-bottom:1px solid var(--color-divider);transition:box-shadow .3s ease}
.site-hd.sh-scrolled .sh-bar{box-shadow:var(--shadow-md)}
.site-hd .sh-in{max-width:1320px;margin:0 auto;padding:0 clamp(16px,3vw,32px);display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);min-height:64px}
.site-hd .sh-brand{text-decoration:none;display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) 0}
.site-hd .sh-nav{display:flex;align-items:center;gap:0}
.site-hd .sh-item{position:relative}
.site-hd .sh-top{display:inline-flex;align-items:center;gap:5px;padding:21px 10px;font-size:14px;font-weight:500;color:var(--color-text);text-decoration:none;white-space:nowrap;transition:color .2s ease}
.site-hd .sh-item:hover .sh-top,.site-hd .sh-top:focus-visible{color:var(--color-accent)}
.site-hd .sh-dd{display:none;position:absolute;top:100%;left:0;min-width:238px;background:var(--color-bg);padding:var(--space-2) 0;z-index:120;box-shadow:var(--shadow-md);border:1px solid var(--color-divider)}
.site-hd .sh-item:hover .sh-dd,.site-hd .sh-item:focus-within .sh-dd{display:block}
.site-hd .sh-dd a{display:block;padding:var(--space-2) var(--space-4);font-size:13.5px;color:var(--color-text);text-decoration:none;transition:background .18s ease,color .18s ease}
.site-hd .sh-dd a:hover{background:var(--color-accent-100);color:var(--color-accent-700)}
.site-hd .sh-burger{display:none;flex-direction:column;justify-content:center;gap:4px;padding:11px 10px}
.site-hd .sh-burger span{width:16px;height:1.5px;background:var(--color-text);display:block}
.site-hd .sh-panel{display:none;border-top:1px solid var(--color-divider);background:var(--color-surface);padding:var(--space-2) clamp(16px,3vw,32px) var(--space-6)}
.site-hd.sh-open .sh-panel{display:block}
.site-hd .sh-panel a{display:block;padding:var(--space-3) 0;font-size:15px;font-weight:500;color:var(--color-text);text-decoration:none;border-bottom:1px solid var(--color-divider)}
@media (max-width:1099px){.site-hd .sh-nav{display:none}.site-hd .sh-burger{display:flex}}

/* ---- footer ---- */
.site-ft{display:block}
.site-ft.sf{background:var(--color-accent-900);color:var(--color-bg)}
.site-ft .sf-in{max-width:1320px;margin:0 auto;padding:clamp(44px,6vw,72px) clamp(16px,3vw,32px) var(--space-6)}
.site-ft .sf-cols{display:flex;gap:clamp(28px,4vw,56px);flex-wrap:wrap}
.site-ft a{color:var(--color-accent-100);text-decoration:none}
.site-ft a:hover{color:var(--color-bg)}
.site-ft .sf-bot a{color:var(--color-accent-400)}
.site-ft .sf-bot a:hover{color:var(--color-bg)}

/* ---- ambient washes (no-JS fallback; motion layer takes over when JS runs) ---- */
html{background-color:var(--color-bg);background-image:radial-gradient(900px 560px at 88% -6%, rgba(143,227,192,.35), transparent 60%),radial-gradient(800px 520px at -4% 22%, rgba(15,163,107,.13), transparent 62%),radial-gradient(760px 520px at 58% 108%, rgba(103,232,249,.15), transparent 60%);background-attachment:fixed}

/* ---- theme 14: metrics go mint on the deep bands ---- */
section[style*="--color-accent-900"] .metric,[style*="background:var(--color-accent-900)"] .metric{color:#8FE3C0 !important}
