/* ==========================================================================
   Design tokens
   All visual decisions resolve to these variables. Change here, not in components.
   ========================================================================== */

/* ---- Self-hosted fonts (SIL Open Font License, see assets/fonts) ------- */
@font-face { font-family: "Instrument Sans"; src: url("/assets/fonts/InstrumentSans-Regular.woff") format("woff"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Sans"; src: url("/assets/fonts/InstrumentSans-Bold.woff") format("woff"); font-weight: 600 700; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/assets/fonts/IBMPlexMono-Regular.woff") format("woff"); font-weight: 400 500; font-style: normal; font-display: swap; }

:root {
  /* ---- Color: brand ---------------------------------------------------- */
  --c-navy-950: #050F1C;
  --c-navy-900: #071A2F;   /* dark navy – emphasis sections, footer        */
  --c-navy-800: #0B2E59;   /* primary                                      */
  --c-navy-700: #123F72;
  --c-blue-600: #174E86;   /* secondary blue                               */
  --c-blue-500: #2A69A8;
  --c-blue-400: #3B82C4;   /* accent blue                                  */
  --c-blue-300: #7FB0DD;
  --c-blue-200: #BFD6EC;
  --c-blue-100: #E3EDF6;

  /* ---- Color: neutrals ------------------------------------------------- */
  --c-white: #FFFFFF;
  --c-mist-50: #F3F7FA;    /* light blue-gray surface                       */
  --c-mist-100: #E9EFF4;
  --c-line: #D8E1E9;       /* hairline on light                              */
  --c-line-strong: #B9C6D2;
  --c-ink-900: #101820;    /* dark text                                     */
  --c-ink-700: #2B3642;
  --c-ink-500: #5D6875;    /* muted text (4.9:1 on white)                    */
  --c-ink-400: #687380;   /* 4.6:1 on white */

  /* ---- Semantic ------------------------------------------------------- */
  --color-bg: var(--c-white);
  --color-surface: var(--c-mist-50);
  --color-text: var(--c-ink-900);
  --color-text-muted: var(--c-ink-500);
  --color-heading: var(--c-navy-900);
  --color-link: var(--c-blue-600);
  --color-accent: var(--c-blue-400);
  --color-border: var(--c-line);
  --color-border-strong: var(--c-line-strong);
  --color-focus: #3B82C4;

  /* On dark */
  --color-dark-bg: var(--c-navy-900);
  --color-dark-text: #E6EDF4;
  --color-dark-muted: #9FB1C4;     /* 7.3:1 on navy-900 */
  --color-dark-line: rgba(159, 177, 196, 0.18);
  --color-dark-line-strong: rgba(159, 177, 196, 0.34);

  /* ---- Typography ------------------------------------------------------ */
  --font-sans: "Instrument Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  /* Fluid type scale (min @ 360px → max @ 1440px) */
  --fs-display: clamp(2.625rem, 1.55rem + 4.4vw, 5.25rem);
  --fs-h1:      clamp(2.375rem, 1.6rem + 3.2vw, 4.25rem);
  --fs-h2:      clamp(1.875rem, 1.4rem + 1.95vw, 3.125rem);
  --fs-h3:      clamp(1.3125rem, 1.15rem + 0.6vw, 1.625rem);
  --fs-h4:      1.125rem;
  --fs-statement: clamp(1.75rem, 1.2rem + 2.3vw, 3.25rem);
  --fs-lede:    clamp(1.125rem, 1.03rem + 0.4vw, 1.375rem);
  --fs-body:    1.0625rem;
  --fs-small:   0.9375rem;
  --fs-xs:      0.8125rem;
  --fs-label:   0.75rem;

  --lh-tight: 1.04;
  --lh-heading: 1.12;
  --lh-snug: 1.35;
  --lh-body: 1.65;

  --ls-display: -0.035em;
  --ls-heading: -0.022em;
  --ls-label: 0.12em;

  --fw-regular: 400;
  --fw-medium: 400;   /* display weight: the regular cut reads refined at large sizes */
  --fw-semibold: 600;

  /* ---- Spacing (4px base) --------------------------------------------- */
  --s-1: 0.25rem;  /* 4  */
  --s-2: 0.5rem;   /* 8  */
  --s-3: 0.75rem;  /* 12 */
  --s-4: 1rem;     /* 16 */
  --s-5: 1.5rem;   /* 24 */
  --s-6: 2rem;     /* 32 */
  --s-7: 2.5rem;   /* 40 */
  --s-8: 3rem;     /* 48 */
  --s-9: 4rem;     /* 64 */
  --s-10: 5rem;    /* 80 */
  --s-11: 6rem;    /* 96 */
  --s-12: 8rem;    /* 128 */

  --section-y: clamp(4.5rem, 3rem + 6vw, 9rem);
  --section-y-sm: clamp(3.5rem, 2.5rem + 4vw, 6rem);
  --gutter: clamp(1rem, 0.4rem + 2.6vw, 2.5rem);
  --grid-gap: clamp(1.25rem, 0.8rem + 1.8vw, 2.5rem);

  /* ---- Layout widths --------------------------------------------------- */
  --w-max: 1360px;
  --w-content: 1200px;
  --w-narrow: 880px;
  --w-prose: 64ch;
  --header-h: 76px;

  /* ---- Borders & radius ------------------------------------------------ */
  --bw: 1px;
  --border: var(--bw) solid var(--color-border);
  --border-dark: var(--bw) solid var(--color-dark-line);
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;

  /* ---- Shadows (minimal) ----------------------------------------------- */
  --shadow-1: 0 1px 2px rgba(7, 26, 47, 0.06);
  --shadow-2: 0 12px 32px -12px rgba(7, 26, 47, 0.18);
  --shadow-menu: 0 24px 48px -20px rgba(7, 26, 47, 0.28);

  /* ---- Motion ---------------------------------------------------------- */
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur-fast: 140ms;
  --dur-base: 240ms;
  --dur-slow: 600ms;

  /* ---- Z-index --------------------------------------------------------- */
  --z-header: 100;
  --z-menu: 110;
  --z-drawer: 120;
}

/* Breakpoints (reference – CSS custom properties can't be used in media queries)
   --bp-sm:  560px   large phones
   --bp-md:  768px   tablet portrait
   --bp-lg:  1024px  tablet landscape / small laptop
   --bp-xl:  1280px  desktop
   --bp-2xl: 1536px  large desktop
*/

@media (prefers-reduced-motion: reduce) {
  :root { --dur-fast: 0ms; --dur-base: 0ms; --dur-slow: 0ms; }
}

/* ==========================================================================
   Base: reset, typography, layout primitives, utilities
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 24px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body.is-locked { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: var(--color-link); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--c-navy-800); }
ul[role="list"], ol[role="list"] { list-style: none; margin: 0; padding: 0; }
hr { border: 0; border-top: var(--border); margin: 0; }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}
.section--dark :focus-visible, .site-footer :focus-visible, .hero :focus-visible, .page-hero--dark :focus-visible { outline-color: #8FC0EC; }

.skip-link {
  position: absolute; left: var(--s-4); top: -100px; z-index: 1000;
  background: var(--c-navy-900); color: #fff; padding: var(--s-3) var(--s-4);
  font-weight: var(--fw-semibold); text-decoration: none;
}
.skip-link:focus { top: var(--s-4); color: #fff; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- Headings --------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  margin: 0;
  font-family: var(--font-display);
  color: var(--color-heading);
  font-weight: var(--fw-medium);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-heading);
  text-wrap: balance;
}
.display { font-size: var(--fs-display); line-height: var(--lh-tight); letter-spacing: var(--ls-display); font-weight: var(--fw-medium); }
.h1 { font-size: var(--fs-h1); line-height: 1.06; letter-spacing: -0.03em; }
.h2 { font-size: var(--fs-h2); }
.h3 { font-size: var(--fs-h3); line-height: 1.25; letter-spacing: -0.015em; }
.h4 { font-size: 1.1875rem; line-height: 1.35; letter-spacing: -0.012em; font-weight: var(--fw-regular); }

p { margin: 0; text-wrap: pretty; }
.lede { font-size: var(--fs-lede); line-height: 1.55; color: var(--c-ink-700); max-width: 60ch; }
.muted { color: var(--color-text-muted); }
.small { font-size: var(--fs-small); }
.prose > * + * { margin-top: var(--s-4); }
.prose { max-width: var(--w-prose); }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--s-3);
  font-family: var(--font-mono); font-size: var(--fs-label); font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--c-blue-600);
  margin: 0 0 var(--s-5);
}
.eyebrow::before { content: ""; width: 20px; height: 1px; background: currentColor; flex: none; }
.eyebrow--plain::before { display: none; }

.label {
  font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-text-muted);
}

/* ---- Layout ----------------------------------------------------------- */
.container {
  width: 100%;
  max-width: calc(var(--w-max) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--content { max-width: calc(var(--w-content) + var(--gutter) * 2); }
.container--narrow { max-width: calc(var(--w-narrow) + var(--gutter) * 2); }

.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: var(--section-y-sm); }
.section--flush-top { padding-top: 0; }
.section--surface { background: var(--color-surface); }
.section--rule { border-top: var(--border); }
.section--dark {
  background: var(--color-dark-bg); color: var(--color-dark-text);
  --color-heading: #fff; --color-text-muted: var(--color-dark-muted); --color-border: var(--color-dark-line);
  --color-border-strong: var(--color-dark-line-strong); --color-link: #9CC7EE;
}
.section--dark .lede { color: #C4D2E0; }
.section--dark .eyebrow { color: var(--c-blue-300); }

.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--grid-gap); }

.stack-2 > * + * { margin-top: var(--s-2); }
.stack-3 > * + * { margin-top: var(--s-3); }
.stack-4 > * + * { margin-top: var(--s-4); }
.stack-5 > * + * { margin-top: var(--s-5); }
.stack-6 > * + * { margin-top: var(--s-6); }

/* ---- Reveal motion ---------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
  .js [data-reveal].is-visible { opacity: 1; transform: none; }
  .js [data-reveal-delay="1"] { transition-delay: 80ms; }
  .js [data-reveal-delay="2"] { transition-delay: 160ms; }
  .js [data-reveal-delay="3"] { transition-delay: 240ms; }
}

/* ==========================================================================
   Components: buttons, links, header, mega menu, drawer, breadcrumb, footer
   ========================================================================== */

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  --btn-bg: var(--c-navy-800); --btn-fg: #fff; --btn-bd: var(--c-navy-800);
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-3);
  min-height: 46px; padding: 0 var(--s-5);
  background: var(--btn-bg); color: var(--btn-fg); border: 1px solid var(--btn-bd);
  border-radius: var(--radius-xs);
  font-size: var(--fs-small); font-weight: var(--fw-semibold); letter-spacing: 0.005em; line-height: 1;
  text-decoration: none; white-space: nowrap;
  transition: background-color var(--dur-fast) ease, border-color var(--dur-fast) ease, color var(--dur-fast) ease;
}
.btn .i-arrow { transition: transform var(--dur-base) var(--ease-out); }
.btn:hover { color: var(--btn-fg); }
.btn:hover .i-arrow { transform: translateX(3px); }
.btn--primary:hover { --btn-bg: var(--c-navy-900); --btn-bd: var(--c-navy-900); }
.btn--secondary { --btn-bg: transparent; --btn-fg: var(--c-navy-800); --btn-bd: var(--c-line-strong); }
.btn--secondary:hover { --btn-bd: var(--c-navy-800); --btn-fg: var(--c-navy-900); }
.btn--on-dark { --btn-bg: #fff; --btn-fg: var(--c-navy-900); --btn-bd: #fff; }
.btn--on-dark:hover { --btn-bg: var(--c-blue-100); --btn-bd: var(--c-blue-100); }
.btn--lg { min-height: 54px; padding: 0 var(--s-6); font-size: 1rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: var(--s-3);
  color: var(--c-navy-800); font-weight: var(--fw-semibold); font-size: var(--fs-small);
  text-decoration: none; padding-block: var(--s-2);
  background-image: linear-gradient(currentColor, currentColor); background-size: 0 1px; background-position: 0 100%; background-repeat: no-repeat;
  transition: background-size var(--dur-base) var(--ease-out);
}
.link-arrow .i-arrow { transition: transform var(--dur-base) var(--ease-out); }
.link-arrow:hover { background-size: calc(100% - 28px) 1px; color: var(--c-navy-900); }
.link-arrow:hover .i-arrow { transform: translateX(4px); }
.link-arrow--inverse, .section--dark .link-arrow { color: #fff; }
.link-arrow--inverse:hover, .section--dark .link-arrow:hover { color: #fff; }

.i { flex: none; }

/* ---- Placeholder tag ------------------------------------------------------ */
.ph-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.04em; line-height: 1.3;
  color: #7A5B00; background: #FFF6DB; border: 1px dashed #D9B44A; padding: 3px 8px; border-radius: var(--radius-xs);
  vertical-align: middle; white-space: normal;
}
.section--dark .ph-tag { color: #F4D98A; background: rgba(244, 217, 138, 0.08); border-color: rgba(244, 217, 138, 0.45); }

/* ---- Brand ---------------------------------------------------------------- */
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--c-navy-900); text-decoration: none; }
.brand:hover { color: var(--c-navy-900); }
.brand__mark { color: var(--c-navy-800); }
.brand__mark-accent { fill: var(--c-blue-400); }
.brand__word { font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: 1.375rem; letter-spacing: -0.03em; }
.brand--inverse, .brand--inverse:hover { color: #fff; }
.brand--inverse .brand__mark { color: #fff; }

/* ---- Header ---------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) ease, box-shadow var(--dur-base) ease;
}
@supports (backdrop-filter: blur(8px)) { .site-header { background: rgba(255, 255, 255, 0.9); backdrop-filter: saturate(1.4) blur(10px); } }
.site-header.is-scrolled, .site-header.is-mega-open { border-bottom-color: var(--color-border); }
.site-header.is-mega-open { background: #fff; }

.header__inner { display: flex; align-items: center; gap: var(--s-6); height: var(--header-h); }

.nav { margin-left: var(--s-6); display: none; height: 100%; }
.nav__list { display: flex; align-items: stretch; gap: var(--s-1); height: 100%; list-style: none; margin: 0; padding: 0; }
.nav__item { display: flex; align-items: center; }
.nav__trigger, .nav__link {
  position: relative; display: inline-flex; align-items: center; gap: 7px; height: 100%;
  padding: 0 var(--s-3); font-size: var(--fs-small); font-weight: var(--fw-medium); color: var(--c-ink-900); text-decoration: none;
}
.nav__trigger .i-chevron { color: var(--c-ink-500); transition: transform var(--dur-base) var(--ease-out); }
.nav__trigger[aria-expanded="true"] .i-chevron { transform: rotate(180deg); }
.nav__trigger::after, .nav__link::after {
  content: ""; position: absolute; left: var(--s-3); right: var(--s-3); bottom: -1px; height: 2px;
  background: var(--c-navy-800); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-base) var(--ease-out);
}
.nav__trigger:hover, .nav__link:hover { color: var(--c-navy-800); }
.nav__trigger[aria-expanded="true"]::after, .nav__link[aria-current="page"]::after, .nav__trigger.is-current::after { transform: scaleX(1); }

.header__actions { margin-left: auto; display: flex; align-items: center; gap: var(--s-2); }
.header__util {
  display: none; padding: var(--s-2) var(--s-3); font-size: var(--fs-small); font-weight: var(--fw-medium);
  color: var(--c-ink-700); text-decoration: none;
}
.header__util:hover, .header__util[aria-current="page"] { color: var(--c-navy-800); }
.header__util + .header__util { border-left: 1px solid var(--color-border); }
.header__cta { display: none; min-height: 42px; margin-left: var(--s-3); }

.menu-toggle { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; margin-right: -10px; color: var(--c-navy-900); }

@media (min-width: 560px) { .header__cta { display: inline-flex; } }
@media (min-width: 1180px) {
  .nav { display: block; }
  .header__util { display: inline-block; }
  .menu-toggle { display: none; }
}

/* ---- Mega menu -------------------------------------------------------------- */
.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: #fff; border-bottom: var(--border); box-shadow: var(--shadow-menu);
  z-index: var(--z-menu);
}
@media (prefers-reduced-motion: no-preference) {
  .mega:not([hidden]) { animation: mega-in var(--dur-base) var(--ease-out); }
  @keyframes mega-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
}
.mega-scrim { position: fixed; inset: var(--header-h) 0 0 0; background: rgba(7, 26, 47, 0.28); z-index: calc(var(--z-header) - 1); }
@media (max-width: 1179px) { .mega, .mega-scrim { display: none !important; } }

.mega__inner {
  display: grid; grid-template-columns: 3fr 6fr 3.2fr; gap: var(--s-8);
  padding-block: var(--s-8) var(--s-9);
}
.mega__inner--industries { grid-template-columns: 3fr 9.2fr; }
.mega__intro { padding-right: var(--s-5); border-right: var(--border); }
.mega__lede { font-family: var(--font-display); font-size: 1.25rem; line-height: 1.35; letter-spacing: -0.012em; color: var(--c-navy-900); margin-bottom: var(--s-5); }

.mega__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; align-content: start; }
.mega__list--grid { grid-template-columns: repeat(3, 1fr); column-gap: var(--s-6); }
.mega__list > li { border-bottom: var(--border); }
.mega__list:not(.mega__list--grid) > li:first-child { border-top: var(--border); }
.mega__list--grid > li:nth-child(-n+3) { border-top: var(--border); }
.mega__item { display: flex; gap: var(--s-5); padding: var(--s-5) var(--s-2); text-decoration: none; color: inherit; transition: background-color var(--dur-fast) ease; }
.mega__item:hover { background: var(--c-mist-50); color: inherit; }
.mega__index { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-ink-400); padding-top: 4px; }
.mega__text { display: grid; gap: 4px; }
.mega__title { display: inline-flex; align-items: center; gap: var(--s-3); font-family: var(--font-display); font-size: 1.1875rem; font-weight: var(--fw-medium); letter-spacing: -0.012em; color: var(--c-navy-900); }
.mega__title .i-arrow { opacity: 0; transform: translateX(-6px); transition: all var(--dur-base) var(--ease-out); color: var(--c-blue-600); }
.mega__item:hover .mega__title .i-arrow, .mega__item:focus-visible .mega__title .i-arrow { opacity: 1; transform: none; }
.mega__summary { font-size: var(--fs-small); color: var(--c-ink-500); line-height: 1.5; }

.mega__feature {
  background: var(--c-navy-900); color: #fff; padding: var(--s-6); display: flex; flex-direction: column; align-items: flex-start;
  background-image: linear-gradient(rgba(159,177,196,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(159,177,196,.08) 1px, transparent 1px);
  background-size: 28px 28px;
}
.mega__feature .eyebrow { color: var(--c-blue-300); }
.mega__feature-title { font-family: var(--font-display); font-size: 1.25rem; line-height: 1.35; letter-spacing: -0.012em; margin-bottom: var(--s-6); }
.mega__feature .btn { margin-top: auto; }

/* ---- Drawer ------------------------------------------------------------------ */
.drawer { position: fixed; inset: 0; z-index: var(--z-drawer); background: rgba(7, 26, 47, 0); transition: background-color var(--dur-base) ease; }
.drawer.is-open { background: rgba(7, 26, 47, 0.45); }
.drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(440px, 100%);
  background: #fff; display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform var(--dur-base) var(--ease-out);
}
.drawer.is-open .drawer__panel { transform: none; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); padding: 0 var(--gutter); border-bottom: var(--border); flex: none; }
.drawer__close { width: 46px; height: 46px; display: inline-flex; align-items: center; justify-content: center; margin-right: -12px; color: var(--c-navy-900); }
.drawer__nav { overflow-y: auto; flex: 1; padding: var(--s-2) var(--gutter); overscroll-behavior: contain; }
.drawer__nav ul { list-style: none; margin: 0; padding: 0; }
.drawer__group { border-bottom: var(--border); }
.drawer__acc, .drawer__link {
  display: flex; width: 100%; align-items: center; justify-content: space-between; min-height: 60px;
  font-family: var(--font-display); font-size: 1.25rem; font-weight: var(--fw-medium); letter-spacing: -0.012em; color: var(--c-navy-900); text-decoration: none; text-align: left;
}
.drawer__acc .i-plus { transition: transform var(--dur-base) var(--ease-out); color: var(--c-blue-600); }
.drawer__acc[aria-expanded="true"] .i-plus { transform: rotate(45deg); }
.drawer__sub { padding: 0 0 var(--s-4); }
.drawer__sub a { display: flex; align-items: center; min-height: 44px; padding-left: var(--s-4); border-left: 1px solid var(--color-border); color: var(--c-ink-700); text-decoration: none; font-size: 1rem; }
.drawer__sub a:hover, .drawer__sub a[aria-current="page"] { color: var(--c-navy-800); border-left-color: var(--c-navy-800); }
.drawer__sub .drawer__overview { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .06em; text-transform: uppercase; color: var(--c-blue-600); }
.drawer__foot { flex: none; padding: var(--s-5) var(--gutter) calc(var(--s-5) + env(safe-area-inset-bottom)); border-top: var(--border); background: var(--c-mist-50); display: grid; gap: var(--s-4); }
.drawer__utils { display: flex; gap: var(--s-6); }
.drawer__utils a { font-weight: var(--fw-medium); color: var(--c-navy-900); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }

/* ---- Breadcrumb ------------------------------------------------------------ */
.breadcrumb { margin-bottom: var(--s-8); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: var(--s-2); list-style: none; margin: 0; padding: 0; font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: 0.02em; }
.breadcrumb li { display: inline-flex; align-items: center; gap: var(--s-2); color: var(--color-text-muted); }
.breadcrumb li + li::before { content: "/"; color: var(--color-border-strong); }
.breadcrumb a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-heading); text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--color-heading); }

/* ---- Footer ------------------------------------------------------------------ */
.site-footer { background: var(--c-navy-950); color: var(--color-dark-muted); padding-top: var(--s-11); font-size: var(--fs-small); }
.footer__top { display: grid; gap: var(--s-9); padding-bottom: var(--s-9); }
.footer__statement { color: #C4D2E0; font-family: var(--font-display); font-size: 1.25rem; line-height: 1.4; letter-spacing: -0.01em; max-width: 30ch; margin: var(--s-6) 0; }
.footer__facts { display: flex; gap: var(--s-8); margin: 0; }
.footer__facts dt { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .1em; text-transform: uppercase; color: #7F93A8; margin-bottom: 4px; }
.footer__facts dd { margin: 0; color: #fff; }
.footer__nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-8) var(--s-6); }
.footer__heading { font-family: var(--font-mono); font-size: var(--fs-label); font-weight: var(--fw-medium); letter-spacing: .12em; text-transform: uppercase; color: #7F93A8; margin-bottom: var(--s-4); }
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.footer__col a { color: #D5E0EA; text-decoration: none; display: inline-block; padding-block: 5px; }
.footer__col a:hover { color: #fff; text-decoration: underline; }
.footer__cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-4); padding-block: var(--s-6); border-top: var(--border-dark); }
.footer__cta p { font-family: var(--font-display); font-size: 1.375rem; letter-spacing: -0.015em; color: #fff; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-4); padding-block: var(--s-6) var(--s-8); border-top: var(--border-dark); font-size: var(--fs-xs); }
.footer__legal { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-6); list-style: none; margin: 0; padding: 0; }
.footer__legal a { color: var(--color-dark-muted); text-decoration: none; }
.footer__legal a:hover { color: #fff; text-decoration: underline; }

@media (min-width: 768px) {
  .footer__nav { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1024px) {
  .footer__top { grid-template-columns: 4fr 8fr; gap: var(--s-10); }
}

/* ==========================================================================
   Sections
   ========================================================================== */

/* ---- Section header ------------------------------------------------------ */
.sec-head { margin-bottom: clamp(2.5rem, 1.8rem + 3vw, 4.5rem); }
.sec-head .h2 { max-width: 22ch; }
.sec-head__intro { margin-top: var(--s-5); }
@media (min-width: 1024px) {
  .sec-head--split { display: grid; grid-template-columns: 7fr 5fr; gap: var(--grid-gap); align-items: end; }
  .sec-head--split .sec-head__intro { margin-top: 0; font-size: 1.125rem; color: var(--color-text-muted); }
  .section--dark .sec-head--split .sec-head__intro { color: var(--color-dark-muted); }
}

/* ---- Home hero --------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; padding-top: clamp(3.5rem, 2rem + 5vw, 7rem); }
.hero__grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(159,177,196,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(159,177,196,.07) 1px, transparent 1px);
  background-size: 64px 64px; background-position: center top;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 30%, transparent 80%);
}
.hero::after { content: ""; position: absolute; right: -20%; top: -30%; width: 70%; height: 120%; background: radial-gradient(closest-side, rgba(59,130,196,.16), transparent); pointer-events: none; }
.hero__grid { position: relative; z-index: 1; display: grid; gap: var(--s-9); padding-bottom: clamp(3.5rem, 2rem + 5vw, 6.5rem); }
.hero__title { color: #fff; max-width: 15ch; }
.hero__lede { margin-top: var(--s-6); max-width: 46ch; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4) var(--s-7); margin-top: var(--s-8); }
.hero__visual { margin: 0; color: var(--color-dark-text); }
.hero__visual .dg { width: 100%; max-width: 640px; margin-inline: auto; }
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 6.2fr 5.8fr; align-items: center; gap: var(--s-8); }
}

.hero__index { position: relative; z-index: 1; border-top: var(--border-dark); }
.hero__index ul { display: grid; grid-template-columns: repeat(2, 1fr); list-style: none; margin: 0; padding: 0; }
.hero__index li { border-bottom: var(--border-dark); }
.hero__index li:nth-child(odd) { border-right: var(--border-dark); }
.hero__index a { display: grid; gap: 2px; padding: var(--s-4) var(--s-4) var(--s-4) 0; color: #fff; text-decoration: none; font-size: var(--fs-small); font-weight: var(--fw-medium); transition: color var(--dur-fast) ease; }
.hero__index li:nth-child(even) a { padding-left: var(--s-4); }
.hero__index a:hover { color: var(--c-blue-300); }
.hero__index-type { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: .1em; text-transform: uppercase; color: #7F93A8; font-weight: 400; }
@media (min-width: 900px) {
  .hero__index ul { grid-template-columns: repeat(6, 1fr); }
  .hero__index li { border-bottom: 0; border-right: var(--border-dark); }
  .hero__index li:last-child { border-right: 0; }
  .hero__index a, .hero__index li:nth-child(even) a { padding: var(--s-5) var(--s-4); }
  .hero__index li:first-child a { padding-left: 0; }
}

/* ---- Value proposition ---------------------------------------------------- */
.value__statement {
  font-family: var(--font-display); font-size: var(--fs-statement); line-height: 1.12; letter-spacing: -0.028em;
  color: var(--c-navy-900); max-width: 24ch; font-weight: var(--fw-regular);
}
.value__grid { display: grid; gap: var(--s-8); margin-top: clamp(3rem, 2rem + 4vw, 5.5rem); padding-top: var(--s-8); border-top: var(--border); }
.value__lede { color: var(--c-ink-700); }
.pillars { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-6); }
.pillars li { display: grid; gap: var(--s-2); }
.pillars__n { font-family: var(--font-display); font-size: 1.25rem; font-weight: var(--fw-medium); color: var(--c-navy-900); letter-spacing: -0.01em; }
.pillars__n::before { content: ""; display: block; width: 24px; height: 2px; background: var(--c-blue-400); margin-bottom: var(--s-3); }
.pillars p { color: var(--c-ink-500); font-size: var(--fs-small); }
@media (min-width: 768px) { .pillars { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .value__grid { grid-template-columns: 4fr 8fr; gap: var(--grid-gap); } }

/* ---- Product index (home) ------------------------------------------------ */
.product-index { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--c-navy-900); }
.product-index li { border-bottom: var(--border); }
.product-index__row { display: grid; grid-template-columns: 44px 1fr 24px; gap: var(--s-2) var(--s-4); padding: var(--s-6) 0; color: inherit; text-decoration: none; position: relative; }
.product-index__row::before { content: ""; position: absolute; inset: 0; background: var(--c-mist-50); opacity: 0; transition: opacity var(--dur-base) ease; z-index: -1; margin-inline: calc(var(--s-4) * -1); }
.product-index__row:hover { color: inherit; }
.product-index__row:hover::before { opacity: 1; }
.product-index__n { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-ink-400); padding-top: 12px; }
.product-index__main { display: grid; gap: var(--s-2); }
.product-index__name { font-family: var(--font-display); font-size: clamp(1.75rem, 1.3rem + 1.9vw, 2.75rem); letter-spacing: -0.025em; line-height: 1.1; color: var(--c-navy-900); }
.product-index__sum { color: var(--c-ink-500); max-width: 52ch; }
.product-index__tags { grid-column: 2; display: flex; flex-wrap: wrap; gap: 6px; }
.product-index__tags span { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: .04em; text-transform: uppercase; color: var(--c-blue-600); border: 1px solid var(--c-blue-200); padding: 3px 8px; border-radius: var(--radius-xs); }
.product-index__arrow { grid-column: 3; grid-row: 1; padding-top: 14px; color: var(--c-navy-800); transition: transform var(--dur-base) var(--ease-out); }
.product-index__row:hover .product-index__arrow { transform: translateX(4px); }
@media (min-width: 1024px) {
  .product-index__row { grid-template-columns: 80px 6fr 4fr 40px; align-items: center; padding: var(--s-8) 0; }
  .product-index__tags { grid-column: 3; grid-row: 1; justify-content: flex-start; }
  .product-index__arrow { grid-column: 4; padding: 0; justify-self: end; }
  .product-index__n { padding-top: 0; align-self: start; padding-top: 16px; }
}

/* ---- Lifecycle (home services) ---------------------------------------------- */
.lifecycle { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-8); }
.lifecycle__item { position: relative; display: grid; gap: var(--s-3); align-content: start; padding-right: var(--s-4); }
.lifecycle__rail { position: relative; height: 12px; margin-bottom: var(--s-4); }
.lifecycle__rail::before { content: ""; position: absolute; left: 0; right: calc(var(--grid-gap) * -1); top: 50%; height: 1px; background: var(--c-line-strong); }
.lifecycle__item:last-child .lifecycle__rail::before { right: 0; }
.lifecycle__rail span { position: absolute; left: 0; top: 0; width: 12px; height: 12px; background: var(--c-navy-800); }
.lifecycle__link { color: var(--c-navy-900); text-decoration: none; }
.lifecycle__link::after { content: ""; position: absolute; inset: 0; }
.lifecycle__item:hover .lifecycle__link { color: var(--c-blue-600); }
.lifecycle__list { list-style: none; margin: var(--s-4) 0 0; padding: 0; border-top: var(--border); }
.lifecycle__list li { padding: var(--s-2) 0; border-bottom: var(--border); font-size: var(--fs-small); color: var(--c-ink-700); }
.lifecycle__more { color: var(--c-navy-800); margin-top: var(--s-3); transition: transform var(--dur-base) var(--ease-out); }
.lifecycle__item:hover .lifecycle__more { transform: translateX(4px); }
.lifecycle__item:focus-within { outline: 2px solid var(--color-focus); outline-offset: 8px; }
.lifecycle__link:focus-visible { outline: none; }
@media (min-width: 900px) { .lifecycle { grid-template-columns: repeat(3, 1fr); gap: var(--grid-gap); } }

/* ---- Why (home) -------------------------------------------------------------- */
.why { display: grid; gap: var(--s-8); }
.why__head .lede { margin-top: var(--s-5); }
.why__list { margin: 0; border-top: 1px solid var(--c-navy-900); }
.why__row { display: grid; gap: var(--s-2); padding: var(--s-5) 0; border-bottom: var(--border); }
.why__row dt { font-family: var(--font-display); font-size: 1.25rem; font-weight: var(--fw-medium); color: var(--c-navy-900); letter-spacing: -0.012em; }
.why__row dd { margin: 0; color: var(--c-ink-500); }
@media (min-width: 768px) { .why__row { grid-template-columns: 5fr 7fr; gap: var(--s-6); padding: var(--s-6) 0; } }
@media (min-width: 1024px) {
  .why { grid-template-columns: 5fr 7fr; gap: var(--s-10); }
  .why__head { position: sticky; top: calc(var(--header-h) + var(--s-8)); align-self: start; }
}

/* ---- Modernization (home) ------------------------------------------------ */
.modern__head { display: grid; gap: var(--s-6); margin-bottom: var(--s-9); }
.modern__copy { display: grid; gap: var(--s-5); justify-items: start; }
@media (min-width: 1024px) { .modern__head { grid-template-columns: 6fr 6fr; gap: var(--grid-gap); align-items: end; } }

/* ---- Diagram frame ------------------------------------------------------------ */
.diagram { margin: 0; }
.diagram__scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: var(--s-2); }
.diagram__scroll .dg { min-width: 720px; width: 100%; max-width: 1080px; margin-inline: auto; }
.diagram--light .diagram__scroll, .modern .diagram__scroll { background: #fff; border: var(--border); padding: clamp(1rem, 0.5rem + 2vw, 2.5rem); }
.section--dark .diagram__scroll { border: var(--border-dark); padding: clamp(1rem, 0.5rem + 2vw, 2.5rem); background: rgba(5, 15, 28, .45); }
@media (min-width: 900px) { .diagram__scroll .dg { min-width: 0; } }

/* ---- Security & resilience (home) ------------------------------------------ */
.resil__grid { display: grid; gap: var(--s-9); }
.resil__copy .lede { margin-top: var(--s-5); }
.resil__links { margin-top: var(--s-6); }
.layers { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.layers__item {
  display: grid; grid-template-columns: 40px 1fr; gap: 2px var(--s-4);
  padding: var(--s-5) var(--s-5); border: var(--border-dark);
  margin-left: calc(var(--i) * clamp(0px, 2.4vw, 36px));
  background: linear-gradient(90deg, rgba(59,130,196,calc(0.06 + var(--i) * 0.035)), transparent 80%);
}
.layers__n { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-blue-300); grid-row: span 2; padding-top: 4px; }
.layers__title { font-family: var(--font-display); font-size: 1.375rem; color: #fff; letter-spacing: -0.015em; }
.layers__body { color: var(--color-dark-muted); font-size: var(--fs-small); }
@media (min-width: 1024px) { .resil__grid { grid-template-columns: 5fr 7fr; gap: var(--s-10); align-items: center; } }

/* ---- Industry grid (home) ------------------------------------------------------- */
.ind-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; border-top: var(--border); }
.ind-grid li { border-bottom: var(--border); }
.ind-grid__item { position: relative; display: grid; gap: var(--s-2); padding: var(--s-6) var(--s-8) var(--s-6) 0; color: inherit; text-decoration: none; min-height: 100%; }
.ind-grid__name { font-family: var(--font-display); font-size: 1.625rem; letter-spacing: -0.02em; color: var(--c-navy-900); }
.ind-grid__focus { font-size: var(--fs-small); color: var(--c-ink-500); }
.ind-grid__arrow { position: absolute; right: 0; top: var(--s-6); color: var(--c-navy-800); padding-top: 8px; transition: transform var(--dur-base) var(--ease-out); }
.ind-grid__item:hover { color: inherit; }
.ind-grid__item:hover .ind-grid__name { color: var(--c-blue-600); }
.ind-grid__item:hover .ind-grid__arrow { transform: translateX(4px); }
@media (min-width: 640px) {
  .ind-grid { grid-template-columns: repeat(2, 1fr); }
  .ind-grid li:nth-child(odd) { border-right: var(--border); }
  .ind-grid li:nth-child(even) .ind-grid__item { padding-left: var(--s-6); }
}
@media (min-width: 1024px) {
  .ind-grid { grid-template-columns: repeat(3, 1fr); }
  .ind-grid li { border-right: var(--border); }
  .ind-grid li:nth-child(3n) { border-right: 0; }
  .ind-grid li .ind-grid__item, .ind-grid li:nth-child(even) .ind-grid__item { padding: var(--s-8) var(--s-9) var(--s-8) var(--s-6); }
  .ind-grid li:nth-child(3n+1) .ind-grid__item { padding-left: 0; }
  .ind-grid__arrow { right: var(--s-6); top: var(--s-8); }
}

/* ---- Steps ---------------------------------------------------------------------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; position: relative; }
.step { position: relative; display: grid; gap: var(--s-2); align-content: start; padding: 0 0 var(--s-7) var(--s-7); }
.step::before { content: ""; position: absolute; left: 5px; top: 12px; bottom: 0; width: 1px; background: var(--color-border-strong); }
.step:last-child::before { display: none; }
.step__marker { position: absolute; left: 0; top: 4px; width: 11px; height: 11px; border: 1px solid var(--c-navy-800); background: var(--color-bg); }
.section--surface .step__marker { background: var(--c-mist-50); }
.step:first-child .step__marker { background: var(--c-navy-800); }
.section--dark .step__marker { border-color: var(--c-blue-300); background: var(--c-navy-900); }
.step__n { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .1em; text-transform: uppercase; color: var(--c-blue-600); }
.step p { color: var(--color-text-muted); font-size: var(--fs-small); }
.step__deliverable { margin-top: var(--s-3); padding-top: var(--s-3); border-top: 1px dashed var(--color-border-strong); color: var(--color-heading) !important; font-weight: var(--fw-medium); }
.step__deliverable .label { display: block; margin-bottom: 2px; }
@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(var(--count), 1fr); gap: var(--s-5); }
  .step { padding: var(--s-7) 0 0 0; }
  .step::before { left: 12px; right: calc(var(--s-5) * -1); top: 5px; bottom: auto; width: auto; height: 1px; }
  .step:last-child::before { display: block; right: 0; opacity: 0; }
  .step__marker { top: 0; }
}

/* ---- Case study ------------------------------------------------------------------ */
.case { display: grid; border: var(--border); background: #fff; }
.case__media { background: var(--c-navy-900); min-height: 220px; position: relative; overflow: hidden; }
.case__media::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(159,177,196,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(159,177,196,.1) 1px, transparent 1px); background-size: 32px 32px; }
.case__media-inner { position: absolute; left: var(--s-5); bottom: var(--s-5); }
.case__body { padding: clamp(1.5rem, 1rem + 2.5vw, 3.5rem); display: grid; gap: var(--s-6); }
.case__top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-3); }
.case__top .eyebrow { margin: 0; }
.case__title { max-width: 30ch; }
.case__meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--s-4); margin: 0; padding-block: var(--s-5); border-block: var(--border); }
.case__meta dt { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .08em; text-transform: uppercase; color: var(--color-text-muted); }
.case__meta dd { margin: 4px 0 0; font-weight: var(--fw-medium); color: var(--color-heading); }
.case__cols { display: grid; gap: var(--s-5); }
.case__cols .label { margin-bottom: var(--s-2); font-weight: var(--fw-medium); }
.case__cols p { color: var(--c-ink-700); }
@media (min-width: 768px) { .case__cols { grid-template-columns: 1fr 1fr; gap: var(--s-8); } }
@media (min-width: 1024px) { .case { grid-template-columns: 4fr 8fr; } .case__media { min-height: 100%; } }

/* ---- Credibility (home) --------------------------------------------------------- */
.cred__grid { display: grid; gap: var(--s-8); }
.cred__head .lede { margin: var(--s-5) 0 var(--s-5); }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); margin: 0; border-top: 1px solid var(--c-navy-900); }
.facts__item { padding: var(--s-5) var(--s-4) var(--s-6) 0; border-bottom: var(--border); }
.facts__item:nth-child(odd) { border-right: var(--border); }
.facts__item:nth-child(even) { padding-left: var(--s-5); }
.facts__item dt { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-muted); }
.facts__item dd { margin: var(--s-3) 0 0; font-family: var(--font-display); font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.5rem); letter-spacing: -0.025em; line-height: 1.1; color: var(--c-navy-900); }
.cred__proof { margin-top: var(--s-9); display: grid; gap: var(--s-8); }
@media (min-width: 1024px) { .cred__grid { grid-template-columns: 5fr 7fr; gap: var(--s-10); align-items: start; } }

.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin: 0; border: 1px dashed var(--c-line-strong); }
.metrics__item { padding: var(--s-5); border-right: 1px dashed var(--c-line-strong); display: flex; flex-direction: column-reverse; gap: var(--s-2); }
.metrics__item:last-child { border-right: 0; }
.metrics__item dt { font-size: var(--fs-xs); color: var(--color-text-muted); font-family: var(--font-mono); }
.metrics__item dd { margin: 0; font-family: var(--font-display); font-size: 2.25rem; color: var(--c-line-strong); letter-spacing: -.02em; line-height: 1; }

.logo-slots__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-3); margin-bottom: var(--s-4); }
.logo-slots__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-3); }
.logo-slots__list li { height: 72px; border: 1px dashed var(--c-line-strong); background: repeating-linear-gradient(135deg, transparent 0 10px, rgba(185,198,210,.18) 10px 11px); }
@media (min-width: 768px) { .logo-slots__list { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .logo-slots__list { grid-template-columns: repeat(6, 1fr); } }

/* ---- CTA band --------------------------------------------------------------------- */
.cta-band { position: relative; overflow: hidden; background: var(--c-navy-800); color: #fff; padding-block: clamp(4.5rem, 3rem + 6vw, 8.5rem); }
.cta-band__art { position: absolute; inset: 0; color: rgba(191, 214, 236, 0.14); pointer-events: none; -webkit-mask-image: linear-gradient(180deg, transparent 10%, #000 75%); mask-image: linear-gradient(180deg, transparent 10%, #000 75%); }
.cta-band__art svg { position: absolute; right: 0; top: 0; height: 100%; width: auto; min-width: 100%; }
.cta-band__inner { position: relative; display: grid; gap: var(--s-7); }
.cta-band__title { color: #fff; font-size: clamp(2.375rem, 1.5rem + 3.6vw, 4.5rem); max-width: 14ch; }
.cta-band .lede { color: #D3E0EC; }
.cta-band__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4) var(--s-6); margin-top: var(--s-7); }
@media (min-width: 1024px) { .cta-band__inner { grid-template-columns: 7fr 5fr; align-items: end; gap: var(--grid-gap); } }

/* ---- Page hero ------------------------------------------------------------------- */
.page-hero { position: relative; padding-block: clamp(2.5rem, 1.5rem + 3vw, 4rem) clamp(4rem, 2.5rem + 6vw, 8rem); overflow: hidden; }
.page-hero--surface { background: var(--c-mist-50); }
.page-hero--dark {
  background: var(--c-navy-900); color: var(--color-dark-text);
  --color-heading: #fff; --color-text-muted: var(--color-dark-muted); --color-border-strong: var(--color-dark-line-strong);
}
.page-hero--dark::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(159,177,196,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(159,177,196,.06) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: linear-gradient(90deg, transparent, #000 60%);
}
.page-hero--dark .eyebrow { color: var(--c-blue-300); }
.page-hero--dark .lede { color: #C4D2E0; }
.page-hero .container { position: relative; }
.page-hero__grid { display: grid; gap: var(--s-9); }
.page-hero__title { max-width: 20ch; }
.page-hero--text .page-hero__title { max-width: 22ch; }
.page-hero__lede { margin-top: var(--s-6); }
.page-hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4) var(--s-7); margin-top: var(--s-8); }
.page-hero__visual { margin: 0; color: var(--color-dark-text); }
.page-hero__visual .dg { width: 100%; max-width: 1080px; margin-inline: auto; }
.page-hero--light .page-hero__visual, .page-hero--surface .page-hero__visual { color: var(--color-text); }
.page-hero--stacked .page-hero__visual { border-top: var(--border); padding-top: var(--s-8); overflow-x: auto; }
.page-hero--stacked .page-hero__visual .dg { min-width: 680px; }
.page-hero--stacked .page-hero__visual .diagram-hint { position: sticky; left: 0; }
@media (min-width: 900px) { .page-hero--stacked .page-hero__visual .dg { min-width: 0; } }
@media (min-width: 1024px) {
  .page-hero--split .page-hero__grid { grid-template-columns: 6.5fr 5.5fr; align-items: center; gap: var(--s-9); }
  .page-hero--text .page-hero__grid:has(> :nth-child(2)) { grid-template-columns: 8fr 4fr; align-items: end; }
  .page-hero--stacked .page-hero__copy { display: grid; grid-template-columns: 7fr 5fr; column-gap: var(--grid-gap); align-items: end; }
  .page-hero--stacked .page-hero__copy .eyebrow, .page-hero--stacked .page-hero__title { grid-column: 1; }
  .page-hero--stacked .page-hero__lede { grid-column: 2; grid-row: 2; margin: 0; }
  .page-hero--stacked .page-hero__actions { grid-column: 2; }
  .page-hero--stacked .page-hero__grid { gap: var(--s-10); }
}

.page-hero__toc { border-top: 1px solid var(--c-navy-900); padding-top: var(--s-4); }
.page-hero__toc ol { list-style: none; margin: var(--s-3) 0 0; padding: 0; }
.page-hero__toc a { display: flex; gap: var(--s-4); padding: var(--s-3) 0; border-bottom: var(--border); color: var(--c-navy-900); text-decoration: none; font-weight: var(--fw-medium); }
.page-hero__toc a span { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-ink-400); padding-top: 3px; }
.page-hero__toc a:hover { color: var(--c-blue-600); }

.hero-facts { margin: 0; display: grid; border-top: var(--border-dark); }
.hero-facts div { display: flex; justify-content: space-between; gap: var(--s-4); padding: var(--s-4) 0; border-bottom: var(--border-dark); }
.hero-facts dt { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .1em; text-transform: uppercase; color: var(--color-dark-muted); }
.hero-facts dd { margin: 0; color: #fff; font-weight: var(--fw-medium); }

.focus-index { background: #fff; border: var(--border); padding: var(--s-6); align-self: center; }
.focus-index ol { list-style: none; margin: var(--s-4) 0 0; padding: 0; }
.focus-index li { display: flex; gap: var(--s-4); padding: var(--s-3) 0; border-top: var(--border); font-family: var(--font-display); font-size: 1.125rem; color: var(--c-navy-900); letter-spacing: -0.01em; }
.focus-index li span { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-blue-600); padding-top: 4px; }

/* ---- Editorial split ---------------------------------------------------------------- */
.split { display: grid; gap: var(--s-7); }
.split__aside .h2 { max-width: 18ch; }
.lede-prose p { font-size: var(--fs-lede); line-height: 1.6; color: var(--c-ink-700); }
.lede-prose p + p { font-size: var(--fs-body); color: var(--color-text-muted); }
.section--dark .lede-prose p { color: #C4D2E0; }
.split__statement { margin: var(--s-8) 0 0; padding: var(--s-6) 0 0 0; border-top: 1px solid var(--c-navy-900); }
.split__statement p { font-family: var(--font-display); font-size: clamp(1.375rem, 1.1rem + 1vw, 1.875rem); line-height: 1.3; letter-spacing: -0.018em; color: var(--c-navy-800); max-width: 30ch; }
.split__statement p::before { content: ""; display: block; width: 32px; height: 2px; background: var(--c-blue-400); margin-bottom: var(--s-5); }
@media (min-width: 1024px) {
  .split { grid-template-columns: 5fr 7fr; gap: var(--grid-gap); }
  .split__aside { position: sticky; top: calc(var(--header-h) + var(--s-8)); align-self: start; }
  .split__body { padding-left: calc(100% / 7 * 0.6); }
}

/* ---- Statement ------------------------------------------------------------------------ */
.statement__text { font-family: var(--font-display); font-size: var(--fs-statement); line-height: 1.14; letter-spacing: -0.028em; color: var(--color-heading); max-width: 26ch; font-weight: var(--fw-regular); }
.statement--light { border-block: var(--border); }
.statement--dark .statement__text { color: #fff; }
.statement__cite { margin-top: var(--s-5); color: var(--color-text-muted); }

/* ---- Numbered list (challenges) -------------------------------------------------- */
.numbered { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: n; }
.numbered__item { display: grid; grid-template-columns: 56px 1fr; gap: var(--s-2) 0; padding: var(--s-6) 0; border-top: var(--border); }
.numbered__item > :not(.numbered__n) { grid-column: 2; }
.numbered__n { grid-row: span 2; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-blue-600); padding-top: 5px; }
.numbered__item .h4 { font-size: 1.25rem; font-family: var(--font-display); font-weight: var(--fw-medium); letter-spacing: -.012em; }
@media (min-width: 768px) {
  .numbered { grid-template-columns: repeat(2, 1fr); column-gap: var(--s-9); }
  .numbered__item { padding: var(--s-7) 0; }
}
.numbered--compact .numbered__item .h4 { font-size: 1.125rem; }

/* ---- Capabilities ---------------------------------------------------------------------- */
.cap-groups { display: grid; gap: var(--s-7); }
.cap-group { border-top: 1px solid var(--c-navy-900); padding-top: var(--s-5); }
.section--dark .cap-group { border-top-color: var(--c-blue-300); }
.cap-group__title { display: flex; align-items: baseline; gap: var(--s-3); font-size: 1.25rem; margin-bottom: var(--s-4); }
.cap-group__n { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-blue-600); font-weight: 400; }
.cap-group ul { list-style: none; margin: 0; padding: 0; }
.cap-group li { padding: var(--s-3) 0; border-bottom: var(--border); color: var(--c-ink-700); display: flex; align-items: center; gap: var(--s-3); }
.cap-group li::before { content: ""; width: 5px; height: 5px; background: var(--c-blue-400); flex: none; }
@media (min-width: 640px) { .cap-groups { grid-template-columns: repeat(2, 1fr); column-gap: var(--s-7); } }
@media (min-width: 1024px) { .cap-groups { grid-template-columns: repeat(var(--cols), 1fr); column-gap: var(--grid-gap); } }

.cap-groups--domains { gap: 0; border: var(--border); background: #fff; }
.cap-groups--domains .cap-group { border-top: 0; padding: var(--s-6); border-bottom: var(--border); }
.cap-groups--domains .cap-group__title { padding-bottom: var(--s-4); border-bottom: 2px solid var(--c-navy-800); }
.cap-groups--domains li { border-bottom: 0; padding: var(--s-2) 0; }
@media (min-width: 640px) { .cap-groups--domains .cap-group:nth-child(odd) { border-right: var(--border); } }
@media (min-width: 1024px) { .cap-groups--domains .cap-group { border-bottom: 0; border-right: var(--border); } .cap-groups--domains .cap-group:last-child { border-right: 0; } }

.cap-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; border-top: var(--border); }
.cap { padding: var(--s-6) 0; border-bottom: var(--border); display: grid; gap: var(--s-2); align-content: start; }
.cap p { color: var(--color-text-muted); font-size: var(--fs-small); }
.cap__n { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-blue-600); margin-bottom: var(--s-3); }
@media (min-width: 640px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .cap { padding: var(--s-6) var(--s-6) var(--s-6) 0; }
  .cap:nth-child(2n) { padding-left: var(--s-6); border-left: var(--border); }
}
@media (min-width: 1024px) {
  .cap-grid { grid-template-columns: repeat(3, 1fr); }
  .cap, .cap:nth-child(2n) { padding: var(--s-7) var(--s-6); border-left: 0; }
  .cap:not(:nth-child(3n+1)) { border-left: var(--border); }
  .cap:nth-child(3n+1) { padding-left: 0; }
  .cap-grid--numbered .cap { padding-block: var(--s-8); }
}

.cap-list { margin: 0; border-top: 1px solid var(--c-navy-900); display: grid; }
.cap-list__row { display: grid; gap: var(--s-1); padding: var(--s-5) 0; border-bottom: var(--border); }
.cap-list__row dt { font-family: var(--font-display); font-size: 1.1875rem; font-weight: var(--fw-medium); color: var(--c-navy-900); letter-spacing: -.01em; }
.cap-list__row dd { margin: 0; color: var(--color-text-muted); }
@media (min-width: 768px) { .cap-list__row { grid-template-columns: 4fr 8fr; gap: var(--s-6); align-items: baseline; } }
@media (min-width: 1200px) {
  .cap-list { grid-template-columns: 1fr 1fr; column-gap: var(--s-9); border-top: 0; }
  .cap-list__row { grid-template-columns: 5fr 7fr; }
  .cap-list__row:nth-child(-n+2) { border-top: 1px solid var(--c-navy-900); }
}

/* ---- Requirements table ------------------------------------------------------------ */
.req { display: grid; gap: var(--s-8); }
.req__head .lede { margin-top: var(--s-5); }
.req__list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--c-navy-900); }
.req__row { display: grid; grid-template-columns: 44px 1fr; gap: 4px 0; padding: var(--s-5) 0; border-bottom: var(--border); }
.req__n { grid-row: span 2; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-blue-600); padding-top: 4px; }
.req__title { font-size: 1.1875rem; }
.req__body { color: var(--color-text-muted); font-size: var(--fs-small); }
@media (min-width: 768px) { .req__row { grid-template-columns: 56px 4fr 7fr; gap: var(--s-6); align-items: baseline; } .req__n { grid-row: auto; } }
@media (min-width: 1024px) {
  .req { grid-template-columns: 4fr 8fr; gap: var(--grid-gap); }
  .req__head { position: sticky; top: calc(var(--header-h) + var(--s-8)); align-self: start; }
}

/* ---- Architecture notes ------------------------------------------------------------ */
.notes { display: grid; gap: 0; margin: var(--s-8) 0 0; }
.notes__item { padding: var(--s-5) 0; border-top: var(--border); }
.notes__item dt { display: flex; align-items: center; gap: var(--s-3); font-family: var(--font-display); font-size: 1.1875rem; color: var(--color-heading); margin-bottom: var(--s-2); }
.notes__n { display: inline-grid; place-items: center; width: 22px; height: 22px; border: 1px solid currentColor; font-family: var(--font-mono); font-size: 0.6875rem; color: var(--c-blue-300); }
.section:not(.section--dark) .notes__n { color: var(--c-blue-600); }
.notes__item dd { margin: 0; color: var(--color-text-muted); font-size: var(--fs-small); }
@media (min-width: 640px) { .notes { grid-template-columns: repeat(2, 1fr); column-gap: var(--s-7); } }
@media (min-width: 1024px) { .notes { grid-template-columns: repeat(var(--cols), 1fr); column-gap: var(--s-7); } }

/* ---- Security block ----------------------------------------------------------------- */
.sec-block { display: grid; gap: var(--s-8); }
.sec-block__copy { display: grid; gap: var(--s-5); justify-items: start; align-content: start; }
.checklist { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--c-navy-900); }
.checklist li { display: flex; gap: var(--s-4); align-items: flex-start; padding: var(--s-4) 0; border-bottom: var(--border); font-size: 1.0625rem; color: var(--c-ink-900); }
.checklist .i-check { color: var(--c-blue-400); margin-top: 6px; }
.checklist--dark { border-top-color: var(--c-blue-300); }
.checklist--dark li { color: #E6EDF4; border-bottom-color: var(--color-dark-line); }
@media (min-width: 1024px) { .sec-block { grid-template-columns: 6fr 6fr; gap: var(--s-10); align-items: start; } }

/* ---- Rows ------------------------------------------------------------------------------- */
.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--color-heading); }
.rows li { border-bottom: var(--border); }
.rows__row { display: grid; grid-template-columns: 1fr 24px; gap: var(--s-2) var(--s-4); padding: var(--s-6) 0; color: inherit; text-decoration: none; }
.rows__n { grid-column: 1 / -1; font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .08em; text-transform: uppercase; color: var(--c-blue-600); }
.rows__title { font-family: var(--font-display); font-size: clamp(1.25rem, 1.1rem + .6vw, 1.625rem); letter-spacing: -0.018em; color: var(--color-heading); line-height: 1.25; }
.rows__body { grid-column: 1; color: var(--color-text-muted); }
.rows__arrow { grid-column: 2; grid-row: 2; color: var(--c-navy-800); transition: transform var(--dur-base) var(--ease-out); padding-top: 6px; }
.rows__row--link:hover { color: inherit; }
.rows__row--link:hover .rows__title { color: var(--c-blue-600); }
.rows__row--link:hover .rows__arrow { transform: translateX(4px); }
@media (min-width: 900px) {
  .rows__row { grid-template-columns: 96px 4fr 6fr 32px; align-items: baseline; gap: var(--s-6); padding: var(--s-7) 0; }
  .rows__n { grid-column: auto; }
  .rows__body { grid-column: auto; }
  .rows__arrow { grid-column: auto; grid-row: auto; justify-self: end; }
}

/* ---- Outcomes --------------------------------------------------------------------------- */
.outcomes { display: grid; gap: 0; margin: 0; }
.outcomes__item { padding: var(--s-6) 0; border-top: 2px solid var(--c-navy-800); }
.section--dark .outcomes__item { border-top-color: var(--c-blue-300); }
.outcomes__item + .outcomes__item { margin-top: var(--s-2); }
.outcomes__item dt { font-family: var(--font-display); font-size: 1.5rem; line-height: 1.2; letter-spacing: -0.018em; color: var(--color-heading); margin-bottom: var(--s-3); max-width: 16ch; }
.outcomes__item dd { margin: 0; color: var(--color-text-muted); }
@media (min-width: 640px) { .outcomes { grid-template-columns: repeat(2, 1fr); column-gap: var(--s-7); } .outcomes__item + .outcomes__item { margin-top: 0; } }
@media (min-width: 1024px) { .outcomes { grid-template-columns: repeat(var(--cols), 1fr); column-gap: var(--grid-gap); } }

/* ---- Industry references ---------------------------------------------------------------- */
.ind-refs { display: grid; gap: var(--s-7); }
.ind-refs__head .h3 { margin-bottom: var(--s-3); }
.ind-refs__list { list-style: none; margin: 0; padding: 0; display: grid; border-top: var(--border); }
.ind-refs__list li { border-bottom: var(--border); }
.ind-refs__list a { display: grid; grid-template-columns: 1fr 20px; gap: 2px var(--s-4); padding: var(--s-4) 0; color: inherit; text-decoration: none; }
.ind-refs__name { font-family: var(--font-display); font-size: 1.1875rem; letter-spacing: -.01em; color: var(--c-navy-900); }
.ind-refs__sum { grid-column: 1; font-size: var(--fs-small); color: var(--color-text-muted); }
.ind-refs__list .i-arrow { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--c-navy-800); transition: transform var(--dur-base) var(--ease-out); }
.ind-refs__list a:hover .ind-refs__name { color: var(--c-blue-600); }
.ind-refs__list a:hover .i-arrow { transform: translateX(4px); }
@media (min-width: 768px) {
  .ind-refs__list { grid-template-columns: 1fr 1fr; column-gap: var(--s-7); }
}
@media (min-width: 1024px) { .ind-refs { grid-template-columns: 4fr 8fr; gap: var(--grid-gap); } }

/* ---- Related ------------------------------------------------------------------------------ */
.related__heading { margin-bottom: var(--s-6); }
.related { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-4); }
.related__item { position: relative; display: grid; gap: var(--s-2); height: 100%; padding: var(--s-6) var(--s-6) var(--s-9); border: var(--border); color: inherit; text-decoration: none; transition: border-color var(--dur-base) ease, background-color var(--dur-base) ease; }
.related__name { font-family: var(--font-display); font-size: 1.375rem; letter-spacing: -.015em; color: var(--c-navy-900); }
.related__sum { font-size: var(--fs-small); color: var(--color-text-muted); }
.related__arrow { position: absolute; left: var(--s-6); bottom: var(--s-5); color: var(--c-navy-800); transition: transform var(--dur-base) var(--ease-out); }
.related__item:hover { border-color: var(--c-navy-800); color: inherit; }
.related__item:hover .related__arrow { transform: translateX(4px); }
@media (min-width: 768px) { .related { grid-template-columns: repeat(3, 1fr); } }

/* ---- Contact routes ---------------------------------------------------------------------- */
.routes { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; border-top: 1px solid var(--c-navy-900); }
.route { display: grid; gap: var(--s-4); align-content: start; padding: var(--s-7) 0; border-bottom: var(--border); }
.route__n { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-blue-600); }
.route__body { color: var(--c-ink-700); font-size: 1.0625rem; max-width: 42ch; }
.route__detail { list-style: none; margin: 0; padding: 0; }
.route__detail li { padding: var(--s-2) 0; border-top: var(--border); font-size: var(--fs-small); color: var(--color-text-muted); }
.route__action { margin-top: var(--s-3); }
.route--primary .route__title { color: var(--c-navy-800); }
@media (min-width: 900px) {
  .routes { grid-template-columns: repeat(3, 1fr); border-top: 0; gap: var(--grid-gap); }
  .route { border-bottom: 0; border-top: 1px solid var(--color-border-strong); padding-top: var(--s-6); grid-template-rows: auto auto 1fr auto auto; }
  .route--primary { border-top: 3px solid var(--c-navy-800); padding-top: calc(var(--s-6) - 2px); }
}

/* ---- Photo slot ------------------------------------------------------------------------------ */
.photo-slot { position: relative; margin: 0; background: var(--c-navy-800); overflow: hidden; }
.photo-slot__pattern { position: absolute; inset: 0; background:
  linear-gradient(180deg, transparent 40%, rgba(5,15,28,.6)),
  repeating-linear-gradient(90deg, rgba(191,214,236,.09) 0 1px, transparent 1px 48px),
  repeating-linear-gradient(0deg, rgba(191,214,236,.09) 0 1px, transparent 1px 48px); }
.photo-slot figcaption { position: absolute; left: var(--s-5); right: var(--s-5); bottom: var(--s-5); display: grid; gap: var(--s-2); justify-items: start; color: #C4D2E0; font-size: var(--fs-small); }

/* ---- Tables --------------------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.contrast { width: 100%; min-width: 680px; border-collapse: collapse; background: #fff; border: var(--border); }
.contrast th, .contrast td { text-align: left; vertical-align: top; padding: var(--s-5); border-bottom: var(--border); }
.contrast thead th { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .1em; text-transform: uppercase; font-weight: var(--fw-medium); color: var(--color-text-muted); background: var(--c-mist-50); }
.contrast thead th:last-child { color: #fff; background: var(--c-navy-800); }
.contrast tbody th { font-weight: var(--fw-semibold); color: var(--c-navy-900); width: 18%; }
.contrast td { color: var(--color-text-muted); width: 34%; }
.contrast td:last-child { color: var(--c-ink-900); border-left: 3px solid var(--c-navy-800); font-weight: var(--fw-medium); }
.contrast tbody tr:last-child > * { border-bottom: 0; }

/* ---- Notes & fine print ------------------------------------------------------------------------ */
.note-block { border-left: 3px solid var(--c-navy-800); padding: var(--s-2) 0 var(--s-2) var(--s-6); max-width: 820px; display: grid; gap: var(--s-4); }
.note-block p { color: var(--c-ink-700); }
.note-block__ph { font-size: var(--fs-small); color: var(--color-text-muted) !important; }
.fineprint { margin-top: var(--s-6); font-size: var(--fs-xs); color: var(--color-text-muted); max-width: 80ch; }

/* ---- Modernization paths ----------------------------------------------------------------------- */
.paths { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-4); }
.paths__row { display: grid; gap: var(--s-3); padding: var(--s-6); background: #fff; border: var(--border); }
.paths__change { color: var(--c-blue-600); }
.paths__title { font-size: 1.375rem; }
.paths__body { color: var(--c-ink-700); }
.paths__fit { display: grid; gap: 2px; padding-top: var(--s-3); border-top: 1px dashed var(--c-line-strong); font-size: var(--fs-small); color: var(--c-navy-900); font-weight: var(--fw-medium); }
@media (min-width: 640px) { .paths { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .paths { grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--c-navy-900); }
  .paths__row { grid-template-columns: 2fr 3.2fr 4fr 2.8fr; gap: var(--s-6); align-items: baseline; background: transparent; border: 0; border-bottom: var(--border); padding: var(--s-6) 0; }
  .paths__fit { border-top: 0; padding-top: 0; }
}

/* ---- Principles ------------------------------------------------------------------------------ */
.principles { display: grid; gap: var(--s-6); margin: 0; }
.principles__item { border-top: var(--border); padding-top: var(--s-5); }
.principles__item dt { font-family: var(--font-display); font-size: 1.375rem; color: var(--color-heading); letter-spacing: -.015em; margin-bottom: var(--s-3); display: grid; gap: var(--s-4); }
.principles__n { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-blue-300); }
.principles--light .principles__n { color: var(--c-blue-600); }
.principles__item dd { margin: 0; color: var(--color-text-muted); }
@media (min-width: 640px) { .principles { grid-template-columns: repeat(2, 1fr); column-gap: var(--s-7); } }
@media (min-width: 1024px) { .principles { grid-template-columns: repeat(4, 1fr); column-gap: var(--grid-gap); } }

/* ---- Questions --------------------------------------------------------------------------------- */
.questions { display: grid; gap: var(--s-8); }
.questions__list { list-style: none; margin: 0; padding: 0; }
.questions__list li { display: grid; grid-template-columns: 48px 1fr; padding: var(--s-5) 0; border-top: var(--border-dark); }
.questions__list li:last-child { border-bottom: var(--border-dark); }
.questions__n { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-blue-300); padding-top: 6px; }
.questions__list p { font-family: var(--font-display); font-size: clamp(1.1875rem, 1.05rem + .6vw, 1.5rem); line-height: 1.35; letter-spacing: -.012em; color: #fff; }
@media (min-width: 1024px) { .questions { grid-template-columns: 5fr 7fr; gap: var(--grid-gap); } }

/* ---- Focus list ---------------------------------------------------------------------------------- */
.focus { display: grid; gap: var(--s-8); }
.focus__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.focus__list li { padding: var(--s-5) 0 var(--s-5) var(--s-5); border-left: 2px solid var(--c-navy-800); display: grid; gap: var(--s-2); }
.focus__list li + li { margin-top: var(--s-2); }
@media (min-width: 768px) { .focus__list { grid-template-columns: repeat(2, 1fr); gap: var(--s-6) var(--s-7); } .focus__list li + li { margin-top: 0; } }
@media (min-width: 1024px) { .focus { grid-template-columns: 4fr 8fr; gap: var(--grid-gap); } .focus__heading { max-width: 14ch; } }

/* ---- Products overview ---------------------------------------------------------------------------- */
.prod-feature__head { display: grid; gap: var(--s-4); padding-bottom: var(--s-8); margin-bottom: var(--s-8); border-bottom: 1px solid var(--c-navy-900); }
.prod-feature__n { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--c-blue-600); }
.prod-feature__head .lede { margin-top: var(--s-4); }
.prod-feature__grid { display: grid; gap: var(--s-8); }
.prod-feature__col { display: grid; gap: var(--s-3); align-content: start; }
.prod-feature__col .label { margin-top: var(--s-4); color: var(--c-blue-600); }
.prod-feature__col .label:first-child { margin-top: 0; }
.prod-feature__col p { color: var(--c-ink-700); font-size: var(--fs-small); }
.prod-feature__diagram { margin: 0; padding: var(--s-5); background: var(--c-navy-900); color: var(--color-dark-text); display: grid; gap: var(--s-4); }
.prod-feature__diagram .label { color: var(--color-dark-muted); }
.prod-feature__foot { display: grid; gap: var(--s-6); margin-top: var(--s-8); padding-top: var(--s-6); border-top: var(--border); }
.prod-feature__foot .label { margin-bottom: var(--s-3); }
@media (min-width: 1024px) {
  .prod-feature__head { grid-template-columns: 80px 1fr auto; align-items: end; gap: var(--grid-gap); }
  .prod-feature__n { align-self: start; padding-top: 18px; }
  .prod-feature__grid { grid-template-columns: 3.2fr 5.6fr 3.2fr; gap: var(--grid-gap); }
  .prod-feature__foot { grid-template-columns: repeat(3, 1fr); gap: var(--grid-gap); }
}

.dash-list { list-style: none; margin: 0; padding: 0; }
.dash-list li { padding: var(--s-2) 0; border-bottom: var(--border); font-size: var(--fs-small); color: var(--c-ink-900); }
.dash-list--cols { margin-block: var(--s-4); }
@media (min-width: 640px) { .dash-list--cols { columns: 2; column-gap: var(--s-6); } .dash-list--cols li { break-inside: avoid; } }
.tag-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tag-list li { font-size: var(--fs-xs); padding: 4px 10px; border: var(--border); background: #fff; color: var(--c-ink-700); border-radius: var(--radius-xs); }
.inline-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px var(--s-4); font-size: var(--fs-small); }
.inline-list li { color: var(--c-ink-700); }
.inline-list li:not(:last-child)::after { content: "·"; margin-left: var(--s-4); color: var(--c-line-strong); }

/* ---- Services overview ---------------------------------------------------------------------------- */
.svc-matrix { border-top: 1px solid var(--c-navy-900); }
.svc-matrix__row { display: grid; gap: var(--s-3); padding: var(--s-6) 0; border-bottom: var(--border); color: var(--c-ink-700); text-decoration: none; position: relative; }
.svc-matrix__row--head { display: none; }
.svc-matrix__name { display: flex; align-items: baseline; gap: var(--s-4); }
.svc-matrix__name .h3 { color: var(--c-navy-900); }
.svc-matrix__n { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-blue-600); }
.svc-matrix__arrow { position: absolute; right: 0; top: var(--s-7); color: var(--c-navy-800); transition: transform var(--dur-base) var(--ease-out); }
a.svc-matrix__row:hover { color: var(--c-ink-900); background: var(--c-mist-50); }
a.svc-matrix__row:hover .svc-matrix__arrow { transform: translateX(4px); }
@media (min-width: 900px) {
  .svc-matrix__row { grid-template-columns: 4fr 4fr 4fr 40px; gap: var(--s-6); align-items: baseline; padding: var(--s-7) 0; }
  .svc-matrix__row--head { display: grid; padding: var(--s-4) 0; }
  .svc-matrix__arrow { position: static; justify-self: end; }
}
.svc-feature__grid { display: grid; gap: var(--s-8); }
.svc-feature__copy { display: grid; gap: var(--s-5); justify-items: start; align-content: start; }
.svc-feature__visual { margin: 0; }
@media (min-width: 1024px) {
  .svc-feature__grid { grid-template-columns: 5fr 7fr; gap: var(--s-10); align-items: center; }
  .svc-feature__grid--flip .svc-feature__copy { order: 2; }
}
.engage { display: grid; margin: 0; gap: 0; }
.engage__item { padding: var(--s-6) 0; border-top: var(--border-dark); }
.engage__item dt { font-family: var(--font-display); font-size: 1.5rem; color: #fff; letter-spacing: -.015em; margin-bottom: var(--s-3); }
.engage__item dd { margin: 0; color: var(--color-dark-muted); }
@media (min-width: 900px) { .engage { grid-template-columns: repeat(3, 1fr); gap: var(--grid-gap); } }

/* ---- Industries overview ---------------------------------------------------------------------- */
.ind-rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--c-navy-900); }
.ind-rows li { border-bottom: var(--border); }
.ind-rows__row { display: grid; grid-template-columns: 1fr 24px; gap: var(--s-3) var(--s-4); padding: var(--s-7) 0; color: inherit; text-decoration: none; }
.ind-rows__n { display: none; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-ink-400); }
.ind-rows__name { font-family: var(--font-display); font-size: clamp(1.875rem, 1.3rem + 2.4vw, 3.25rem); letter-spacing: -.03em; line-height: 1.05; color: var(--c-navy-900); }
.ind-rows__body { grid-column: 1; display: grid; gap: var(--s-3); }
.ind-rows__title { color: var(--c-ink-700); font-size: 1.0625rem; }
.ind-rows__focus { display: flex; flex-wrap: wrap; gap: 6px; }
.ind-rows__focus span { font-family: var(--font-mono); font-size: .6875rem; text-transform: uppercase; letter-spacing: .05em; color: var(--c-blue-600); border: 1px solid var(--c-blue-200); padding: 3px 8px; }
.ind-rows__arrow { grid-column: 2; grid-row: 1; padding-top: 16px; color: var(--c-navy-800); transition: transform var(--dur-base) var(--ease-out); }
.ind-rows__row:hover { color: inherit; }
.ind-rows__row:hover .ind-rows__name { color: var(--c-blue-600); }
.ind-rows__row:hover .ind-rows__arrow { transform: translateX(4px); }
@media (min-width: 1024px) {
  .ind-rows__row { grid-template-columns: 64px 5fr 6fr 40px; align-items: center; gap: var(--grid-gap); padding: var(--s-8) 0; }
  .ind-rows__n { display: block; }
  .ind-rows__body { grid-column: auto; }
  .ind-rows__arrow { grid-column: auto; grid-row: auto; padding: 0; justify-self: end; }
}
.other-ind { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--s-4) var(--s-7); }
.other-ind ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-6); }
.other-ind a { color: var(--c-navy-800); font-weight: var(--fw-medium); text-decoration: none; }
.other-ind a:hover { text-decoration: underline; }

/* ---- About ------------------------------------------------------------------------------------ */
.about-caps { display: grid; gap: var(--s-8); }
.about-caps__col ul { list-style: none; margin: var(--s-4) 0 0; padding: 0; border-top: 1px solid var(--c-navy-900); }
.about-caps__col li { border-bottom: var(--border); }
.about-caps__col a { display: grid; grid-template-columns: 1fr 20px; gap: 2px var(--s-4); padding: var(--s-5) 0; text-decoration: none; color: inherit; }
.about-caps__name { font-family: var(--font-display); font-size: 1.375rem; color: var(--c-navy-900); letter-spacing: -.015em; }
.about-caps__sum { grid-column: 1; color: var(--color-text-muted); font-size: var(--fs-small); }
.about-caps__col .i-arrow { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--c-navy-800); transition: transform var(--dur-base) var(--ease-out); }
.about-caps__col a:hover .about-caps__name { color: var(--c-blue-600); }
.about-caps__col a:hover .i-arrow { transform: translateX(4px); }
@media (min-width: 900px) { .about-caps { grid-template-columns: 1fr 1fr; gap: var(--grid-gap); } }

.eng-ops { display: grid; gap: var(--s-8); }
.eng-ops__body { display: grid; gap: var(--s-7); }
@media (min-width: 1024px) { .eng-ops { grid-template-columns: 5fr 7fr; gap: var(--grid-gap); } }

.timeline { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--c-navy-900); }
.timeline__item { display: grid; grid-template-columns: 96px 1fr; gap: var(--s-4); padding: var(--s-6) 0; border-bottom: var(--border); }
.timeline__year { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: -.02em; color: var(--c-navy-800); line-height: 1.2; }
.timeline__item--ph .timeline__year, .timeline__item--ph .h4 { color: var(--c-ink-400); }
.timeline__item .h4 { margin-bottom: var(--s-2); }
@media (min-width: 900px) {
  .timeline { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 0; }
  .timeline__item { grid-template-columns: 1fr; border-bottom: 0; border-top: 1px solid var(--c-navy-900); padding-right: var(--s-6); position: relative; }
  .timeline__item::before { content: ""; position: absolute; left: 0; top: -5px; width: 9px; height: 9px; background: var(--c-navy-800); }
  .timeline__item--ph::before { background: #fff; border: 1px solid var(--c-line-strong); }
  .timeline__year { font-size: 2.25rem; }
}

.leaders { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-6) var(--s-5); }
.leader__portrait { aspect-ratio: 4/5; background: var(--c-mist-100); border: 1px dashed var(--c-line-strong); margin-bottom: var(--s-4); background-image: linear-gradient(135deg, transparent 49.6%, var(--c-line) 49.6% 50.4%, transparent 50.4%); }
.leader__name { font-weight: var(--fw-semibold); color: var(--c-navy-900); }
.leader__role { font-size: var(--fs-small); color: var(--color-text-muted); }
@media (min-width: 900px) { .leaders { grid-template-columns: repeat(4, 1fr); gap: var(--grid-gap); } }

.hq { display: grid; gap: var(--s-8); }
.hq__copy { display: grid; gap: var(--s-5); align-content: center; }
.corp-info { margin: var(--s-4) 0 0; border-top: 1px solid var(--c-navy-900); }
.corp-info div { display: grid; gap: 2px; padding: var(--s-4) 0; border-bottom: var(--border); }
.corp-info dt { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-muted); }
.corp-info dd { margin: 0; color: var(--c-ink-900); }
@media (min-width: 640px) { .corp-info div { grid-template-columns: 160px 1fr; gap: var(--s-4); align-items: baseline; } }
@media (min-width: 1024px) { .hq { grid-template-columns: 6fr 6fr; gap: var(--s-10); } }

/* ---- Contact / support / login ------------------------------------------------------------------- */
.contact-hq { display: grid; gap: var(--s-7); }
.contact-hq__address { font-style: normal; display: grid; font-family: var(--font-display); font-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.75rem); line-height: 1.15; letter-spacing: -.025em; color: var(--c-navy-900); }
.contact-hq__note { display: grid; gap: var(--s-3); align-content: start; max-width: 56ch; }
@media (min-width: 1024px) { .contact-hq { grid-template-columns: 6fr 6fr; gap: var(--grid-gap); } }

.support-guide { display: grid; gap: var(--s-8); }
@media (min-width: 1024px) { .support-guide { grid-template-columns: 4fr 8fr; gap: var(--grid-gap); } }
.support-alt { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-4); padding: var(--s-6) 0; border-block: var(--border); }
.support-alt p { font-family: var(--font-display); font-size: 1.25rem; color: var(--c-navy-900); letter-spacing: -.01em; }

.login { padding-block: clamp(3.5rem, 2rem + 6vw, 7.5rem); background: var(--c-mist-50); min-height: calc(100vh - var(--header-h) - 200px); }
.login .lede { margin-top: var(--s-4); }
.login__options { list-style: none; margin: var(--s-8) 0 0; padding: 0; display: grid; gap: var(--s-4); }
.login__option { position: relative; display: grid; gap: var(--s-2); padding: var(--s-6) var(--s-9) var(--s-6) var(--s-6); background: #fff; border: var(--border); color: inherit; text-decoration: none; transition: border-color var(--dur-base) ease; }
.login__option:hover { border-color: var(--c-navy-800); color: inherit; }
.login__title { font-family: var(--font-display); font-size: 1.5rem; color: var(--c-navy-900); letter-spacing: -.015em; }
.login__body { color: var(--color-text-muted); font-size: var(--fs-small); }
.login__arrow { position: absolute; right: var(--s-6); top: 50%; transform: translateY(-50%); color: var(--c-navy-800); transition: transform var(--dur-base) var(--ease-out); }
.login__option:hover .login__arrow { transform: translate(4px, -50%); }
.login__foot { margin-top: var(--s-8); display: grid; gap: var(--s-3); font-size: var(--fs-small); }
@media (min-width: 768px) { .login__options { grid-template-columns: 1fr 1fr; } }

/* ---- Quote (testimonial placeholder) --------------------------------------------------------------- */
.quote { margin: 0; display: grid; gap: var(--s-5); justify-items: start; }
.quote blockquote { margin: 0; }
.quote blockquote p { font-family: var(--font-display); font-size: var(--fs-h3); line-height: 1.35; color: var(--c-ink-400); letter-spacing: -.015em; }
.quote figcaption { display: grid; font-size: var(--fs-small); }
.quote__name { font-weight: var(--fw-semibold); color: var(--c-navy-900); }
.quote__role { color: var(--color-text-muted); }

.diagram-hint { margin-top: var(--s-3); font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .06em; color: var(--color-text-muted); }
@media (min-width: 900px) { .diagram-hint { display: none; } }
.svc-matrix__lbl { display: block; margin-bottom: 2px; font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .08em; text-transform: uppercase; color: var(--c-blue-600); }
@media (min-width: 900px) {
  .svc-matrix__lbl { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}

/* ==========================================================================
   Diagram language (SVG). Works on light and dark contexts via variables.
   ========================================================================== */
.dg {
  --dg-line: #9DB0C2;
  --dg-line-strong: #0B2E59;
  --dg-muted: #C9D5E0;
  --dg-band: #D8E1E9;
  --dg-band-fill: rgba(243, 247, 250, 0.7);
  --dg-chip: #FFFFFF;
  --dg-chip-stroke: #B9C6D2;
  --dg-text: #2B3642;
  --dg-label: #5D6875;
  --dg-accent: #174E86;
  --dg-accent-fill: #0B2E59;
  --dg-accent-text: #FFFFFF;
  --dg-core: #0B2E59;
  --dg-grid: rgba(185, 198, 210, 0.0);
  overflow: visible;
}
.section--dark .dg, .page-hero--dark .dg, .hero .dg, .prod-feature__diagram .dg {
  --dg-line: rgba(159, 177, 196, 0.45);
  --dg-line-strong: #BFD6EC;
  --dg-muted: rgba(159, 177, 196, 0.25);
  --dg-band: rgba(159, 177, 196, 0.22);
  --dg-band-fill: rgba(11, 46, 89, 0.28);
  --dg-chip: #0A223D;
  --dg-chip-stroke: rgba(159, 177, 196, 0.4);
  --dg-text: #DCE6F0;
  --dg-label: #9FB1C4;
  --dg-accent: #7FB0DD;
  --dg-accent-fill: #3B82C4;
  --dg-accent-text: #FFFFFF;
  --dg-core: #3B82C4;
  --dg-grid: rgba(159, 177, 196, 0.05);
}

.dg-grid line { stroke: var(--dg-grid); stroke-width: 1; }
.dg-band { fill: var(--dg-band-fill); stroke: var(--dg-band); stroke-width: 1; }
.dg-band--strong { stroke: var(--dg-line); }
.dg-band--dashed { fill: none; stroke: var(--dg-line); stroke-dasharray: 4 4; }
.dg-rail { fill: none; stroke: var(--dg-line); }
.dg-core { fill: var(--dg-core); }
.dg-node { fill: var(--dg-chip); stroke: var(--dg-chip-stroke); stroke-width: 1; }
.dg-node--legacy { fill: var(--dg-muted); }

.dg-line { fill: none; stroke: var(--dg-line); stroke-width: 1; }
.dg-line--strong { stroke: var(--dg-line-strong); stroke-width: 1.25; }
.dg-line--muted { stroke: var(--dg-muted); }
.dg-line--dashed { stroke-dasharray: 3 4; }
.dg-line--accent { stroke: var(--dg-accent); stroke-width: 1.5; }

.dg-dot { fill: var(--dg-line); }
.dg-dot--accent { fill: var(--dg-accent); }

.dg-chip rect { fill: var(--dg-chip); stroke: var(--dg-chip-stroke); stroke-width: 1; }
.dg-chip--accent rect { fill: var(--dg-accent-fill); stroke: var(--dg-accent-fill); }
.dg-chip--ghost rect { fill: none; stroke: var(--dg-line); stroke-dasharray: 3 3; }

.dg text { font-family: var(--font-mono); }
.dg-label { fill: var(--dg-label); font-size: 11px; letter-spacing: 0.06em; }
.dg-label--band { fill: var(--dg-text); font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; }
.dg-label--muted { fill: var(--dg-label); font-size: 10.5px; }
.dg-label--rail { fill: var(--dg-label); font-size: 10px; letter-spacing: 0.18em; }
.dg-label--core { fill: #fff; font-size: 11px; font-weight: 500; letter-spacing: 0.1em; }
.dg-index { fill: var(--dg-accent); font-size: 10px; font-family: var(--font-mono); }
.dg-chip-label { fill: var(--dg-text); font-size: 11.5px; letter-spacing: 0.02em; }
.dg-chip--accent .dg-chip-label { fill: var(--dg-accent-text); }
.dg-chip--ghost .dg-chip-label { fill: var(--dg-label); }

/* Smaller layered diagrams are displayed at reduced size – enlarge type slightly */
.dg--layered .dg-chip-label { font-size: 12px; }
.dg--layered .dg-label--band { font-size: 11.5px; }

/* Motion: slow flow along accent paths, only while visible */
@media (prefers-reduced-motion: no-preference) {
  .dg.is-active .dg-flow { stroke-dasharray: 6 6; animation: dg-flow 2.8s linear infinite; }
  @keyframes dg-flow { to { stroke-dashoffset: -24; } }
  .hero .dg .dg-chip { opacity: 0; animation: dg-in 700ms var(--ease-out) forwards; }
  .hero .dg .dg-chip:nth-of-type(3n+1) { animation-delay: 120ms; }
  .hero .dg .dg-chip:nth-of-type(3n+2) { animation-delay: 260ms; }
  .hero .dg .dg-chip:nth-of-type(3n) { animation-delay: 400ms; }
  @keyframes dg-in { from { opacity: 0; } to { opacity: 1; } }
}