/*
  PrimeGrid Engineering - Production Stylesheet
  Responsibility: Single static stylesheet generated from active source layers.
  Source order: tokens, base, layout, components, pages.
*/

/* ===== tokens.css ===== */
/*
  PrimeGrid Engineering - Design Tokens
  Responsibility: Provide the global CSS custom properties used by every layer
  of the static website. Component and page styles must consume these tokens
  rather than introducing hard-coded design values.
*/

:root {
  /* Brand colors */
  --color-brand-navy: #0a1c3a;
  --color-brand-blue: #0d5aa4;
  --color-brand-black: #131722;
  --color-brand-white: #ffffff;

  /* Neutral colors */
  --color-neutral-950: #131722;
  --color-neutral-900: #1c2533;
  --color-neutral-800: #273244;
  --color-neutral-700: #364153;
  --color-neutral-600: #495164;
  --color-neutral-500: #6b7280;
  --color-neutral-400: #8a94a6;
  --color-neutral-300: #b9c4d6;
  --color-neutral-200: #dcdfe3;
  --color-neutral-100: #eef1f4;
  --color-neutral-050: #f6f5f2;
  --color-neutral-000: #ffffff;

  /* Background colors */
  --bg-page: var(--color-neutral-050);
  --bg-surface: var(--color-neutral-000);
  --bg-surface-muted: var(--color-neutral-100);
  --bg-dark: var(--color-brand-navy);
  --bg-dark-mid: #0f2a50;
  --bg-dark-deep: #071630;
  --bg-selection: rgba(13, 90, 164, 0.18);

  /* Text colors */
  --text-primary: var(--color-brand-black);
  --text-heading: var(--color-brand-navy);
  --text-muted: var(--color-neutral-600);
  --text-subtle: var(--color-neutral-500);
  --text-disabled: var(--color-neutral-400);
  --text-inverse: var(--color-brand-white);
  --text-inverse-muted: var(--color-neutral-300);
  --text-link: var(--color-brand-blue);
  --text-link-hover: var(--color-brand-navy);

  /* Border colors */
  --border-default: var(--color-neutral-200);
  --border-muted: var(--color-neutral-100);
  --border-strong: var(--color-neutral-300);
  --border-accent: var(--color-brand-blue);
  --border-dark: rgba(255, 255, 255, 0.16);

  /* Status colors */
  --status-success: #1f8a5b;
  --status-warning: #b7791f;
  --status-error: #b42318;
  --status-info: var(--color-brand-blue);

  /* Gradients */
  --gradient-navy: linear-gradient(155deg, var(--color-brand-navy) 0%, var(--bg-dark-mid) 55%, var(--bg-dark-deep) 100%);
  --gradient-blue-accent: linear-gradient(135deg, var(--color-brand-blue) 0%, #6fa0da 100%);
  --gradient-technical-fade: linear-gradient(90deg, rgba(10, 28, 58, 0) 0%, rgba(10, 28, 58, 0.18) 50%, rgba(10, 28, 58, 0) 100%);

  /* Typography families */
  --font-sans: Inter, Manrope, Aptos, "Segoe UI", Arial, sans-serif;
  --font-display: var(--font-sans);
  --font-mono: Consolas, "SFMono-Regular", Menlo, Monaco, "Liberation Mono", monospace;

  /* Font weights */
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Font sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3rem;
  --text-5xl: 4rem;
  --text-6xl: 4.5rem;

  /* Line heights */
  --leading-none: 1;
  --leading-tight: 1.05;
  --leading-heading: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-body: 1.65;
  --leading-relaxed: 1.8;

  /* Letter spacing */
  --tracking-normal: 0;
  --tracking-nav: 0.01em;
  --tracking-label: 0.12em;
  --tracking-wide: 0.18em;

  /* Spacing scale */
  --space-0: 0;
  --space-px: 1px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-14: 3.5rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-30: 7.5rem;
  --space-36: 9rem;

  /* Border radius */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-full: 999rem;

  /* Shadows */
  --shadow-none: none;
  --shadow-sm: 0 0.25rem 0.75rem rgba(19, 23, 34, 0.06);
  --shadow-md: 0 0.75rem 1.75rem rgba(19, 23, 34, 0.1);
  --shadow-lg: 0 1.25rem 3rem rgba(19, 23, 34, 0.14);

  /* Motion tokens */
  --ease-standard: ease-out;
  --ease-precise: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-linear: linear;
  --duration-fast: 120ms;
  --duration-base: 180ms;
  --duration-medium: 260ms;
  --duration-slow: 500ms;
  --duration-page: 700ms;

  /* Container widths */
  --container-narrow: 47.5rem;
  --container-content: 60rem;
  --container-default: 73.75rem;
  --container-wide: 80rem;
  --container-max: 90rem;

  /* Grid and responsive layout */
  --grid-columns-mobile: 4;
  --grid-columns-tablet: 8;
  --grid-columns-desktop: 12;
  --grid-gap-mobile: var(--space-4);
  --grid-gap-tablet: var(--space-5);
  --grid-gap-desktop: var(--space-6);
  --container-padding-mobile: var(--space-5);
  --container-padding-tablet: var(--space-8);
  --container-padding-desktop: var(--space-10);

  /* Breakpoints */
  --breakpoint-mobile: 30rem;
  --breakpoint-tablet: 48rem;
  --breakpoint-laptop: 64rem;
  --breakpoint-desktop: 80rem;
  --breakpoint-wide: 90rem;

  /* Z-index layers */
  --z-base: 1;
  --z-raised: 10;
  --z-sticky: 100;
  --z-dropdown: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;

  /* Focus */
  --focus-ring-width: 0.1875rem;
  --focus-ring-offset: 0.1875rem;
  --focus-ring-color: var(--color-brand-blue);

  /* Opacity */
  --opacity-disabled: 0.65;

  /* Layout rhythm */
  --section-padding-y: var(--space-24);
  --section-padding-y-compact: var(--space-16);
  --hero-padding-y: var(--space-30);
  --page-gap: var(--space-20);
}

@media (max-width: 63.9375em) {
  :root {
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 2.625rem;
    --text-6xl: 2.75rem;
    --section-padding-y: var(--space-20);
    --section-padding-y-compact: var(--space-14);
    --hero-padding-y: var(--space-24);
    --page-gap: var(--space-16);
  }
}

@media (max-width: 47.9375em) {
  :root {
    --text-lg: 1.0625rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 2.625rem;
    --text-6xl: 2.75rem;
    --section-padding-y: var(--space-16);
    --section-padding-y-compact: var(--space-12);
    --hero-padding-y: var(--space-20);
    --page-gap: var(--space-12);
  }
}

/* ===== base.css ===== */
/*
  PrimeGrid Engineering - Base Styles
  Responsibility: Establish production-ready document defaults, modern reset
  behavior, typography defaults, accessible focus states, and native element
  normalization. This file must not contain page or component-specific rules.
*/

/* Modern reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: var(--space-0);
}

html {
  min-block-size: 100%;
  font-size: 100%;
  line-height: var(--leading-normal);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-block-size: 100vh;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body,
body * {
  overflow-wrap: anywhere;
}

body:has(dialog[open]) {
  overflow: hidden;
}

/* Typography defaults */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text-heading);
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-normal);
  line-height: var(--leading-heading);
  text-wrap: balance;
}

h1 {
  font-size: var(--text-5xl);
  line-height: var(--leading-tight);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

p,
li,
blockquote,
figcaption {
  max-inline-size: var(--container-narrow);
}

p {
  color: var(--text-muted);
  line-height: var(--leading-body);
  text-wrap: pretty;
}

small {
  font-size: var(--text-sm);
}

strong,
b {
  font-weight: var(--font-bold);
}

em,
i {
  font-style: italic;
}

abbr[title] {
  cursor: help;
  text-decoration: underline dotted;
  text-underline-offset: var(--space-1);
}

code,
kbd,
samp,
pre {
  font-family: var(--font-mono);
  font-size: 1em;
}

pre {
  overflow: auto;
  max-inline-size: 100%;
}

blockquote {
  color: var(--text-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

/* Links */
a {
  color: var(--text-link);
  text-decoration-color: currentColor;
  text-decoration-thickness: var(--space-px);
  text-underline-offset: var(--space-1);
}

a:hover {
  color: var(--text-link-hover);
}

a:not([class]) {
  text-decoration-skip-ink: auto;
}

/* Lists */
ul,
ol {
  padding-inline-start: var(--space-6);
}

li + li {
  margin-block-start: var(--space-2);
}

nav ul,
nav ol {
  list-style: none;
  padding-inline-start: var(--space-0);
}

/* Media */
img,
picture,
svg,
video,
canvas {
  display: block;
  max-inline-size: 100%;
}

img,
video {
  block-size: auto;
}

svg {
  overflow: visible;
}

figure {
  max-inline-size: 100%;
}

figcaption {
  margin-block-start: var(--space-3);
  color: var(--text-subtle);
  font-size: var(--text-sm);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: var(--space-0);
  font-variant-numeric: tabular-nums;
}

caption {
  margin-block-end: var(--space-3);
  color: var(--text-muted);
  font-size: var(--text-sm);
  text-align: start;
}

th,
td {
  padding: var(--space-3) var(--space-4);
  border-block-end: var(--space-px) solid var(--border-default);
  text-align: start;
  vertical-align: top;
}

th {
  color: var(--text-heading);
  font-weight: var(--font-semibold);
}

/* Forms */
button,
input,
optgroup,
select,
textarea {
  font: inherit;
  color: inherit;
}

input,
select,
textarea {
  inline-size: 100%;
  min-block-size: var(--space-12);
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
}

textarea {
  min-block-size: calc(var(--space-36) + var(--space-2));
  resize: vertical;
}

select {
  cursor: pointer;
}

fieldset {
  min-inline-size: 0;
  border: var(--space-px) solid var(--border-default);
  padding: var(--space-4);
}

legend {
  padding-inline: var(--space-2);
  color: var(--text-heading);
  font-weight: var(--font-semibold);
}

label {
  color: var(--text-heading);
  font-weight: var(--font-medium);
}

::placeholder {
  color: var(--text-subtle);
  opacity: 1;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: var(--opacity-disabled);
}

button {
  border: 0;
  background: transparent;
  padding: var(--space-0);
}

/* Focus and interaction defaults */
:focus {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--border-accent);
}

/* Selection and scrollbars */
::selection {
  background: var(--bg-selection);
  color: var(--text-heading);
}

html {
  scrollbar-color: var(--color-neutral-400) var(--bg-page);
  scrollbar-width: thin;
}

::-webkit-scrollbar {
  inline-size: var(--space-3);
  block-size: var(--space-3);
}

::-webkit-scrollbar-track {
  background: var(--bg-page);
}

::-webkit-scrollbar-thumb {
  border: var(--space-1) solid var(--bg-page);
  border-radius: var(--radius-full);
  background: var(--color-neutral-400);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-neutral-600);
}

/* Accessibility and browser behavior */
[hidden] {
  display: none !important;
}

[inert] {
  pointer-events: none;
  cursor: default;
}

dialog {
  border: 0;
  padding: var(--space-0);
}

/* ===== layout.css ===== */
/*
  PrimeGrid Engineering - Layout System
  Responsibility: Define reusable layout primitives, containers, grid behavior,
  spacing rhythm, content widths, and alignment helpers. This file must remain
  free of page-specific and component-specific styling.
*/

/* Page shell */
.site-main {
  min-block-size: 100vh;
}

.page-flow {
  display: grid;
  gap: var(--page-gap);
}

/* Containers */
.container {
  inline-size: min(100% - (var(--container-padding-mobile) * 2), var(--container-default));
  margin-inline: auto;
}

.container--narrow {
  inline-size: min(100% - (var(--container-padding-mobile) * 2), var(--container-narrow));
}

.container--content {
  inline-size: min(100% - (var(--container-padding-mobile) * 2), var(--container-content));
}

.container--wide {
  inline-size: min(100% - (var(--container-padding-mobile) * 2), var(--container-wide));
}

.container--max {
  inline-size: min(100% - (var(--container-padding-mobile) * 2), var(--container-max));
}

.container--bleed {
  inline-size: 100%;
}

/* Sections */
.section {
  padding-block: var(--section-padding-y);
}

.section--compact {
  padding-block: var(--section-padding-y-compact);
}

.section--flush {
  padding-block: var(--space-0);
}

.hero-space {
  padding-block: var(--hero-padding-y);
}

.page-space {
  padding-block: var(--page-gap);
}

/* Grid system */
.grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns-mobile), minmax(0, 1fr));
  gap: var(--grid-gap-mobile);
}

.grid--gap-sm {
  gap: var(--space-4);
}

.grid--gap-lg {
  gap: var(--space-8);
}

.grid--align-start {
  align-items: start;
}

.grid--align-center {
  align-items: center;
}

.grid--align-end {
  align-items: end;
}

.grid--justify-center {
  justify-items: center;
}

.grid-span-full {
  grid-column: 1 / -1;
}

/* Common responsive column helpers */
.auto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, calc(var(--container-narrow) / 3)), 1fr));
  gap: var(--grid-gap-mobile);
}

.auto-grid--compact {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, calc(var(--container-narrow) / 4)), 1fr));
}

.auto-grid--wide {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, calc(var(--container-content) / 2)), 1fr));
}

/* Flex primitives */
.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-4);
  align-items: center;
}

.cluster--center {
  justify-content: center;
}

.cluster--between {
  justify-content: space-between;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.stack--sm {
  gap: var(--space-2);
}

.stack--lg {
  gap: var(--space-8);
}

.split {
  display: grid;
  gap: var(--grid-gap-mobile);
}

/* Content width helpers */
.measure {
  max-inline-size: var(--container-narrow);
}

.measure--content {
  max-inline-size: var(--container-content);
}

.measure--none {
  max-inline-size: none;
}

/* Alignment helpers */
.align-start {
  text-align: start;
}

.align-center {
  text-align: center;
}

.align-end {
  text-align: end;
}

.center {
  margin-inline: auto;
}

.full-width {
  inline-size: 100%;
}

/* Flow helpers */
.flow > * + * {
  margin-block-start: var(--space-4);
}

.flow--sm > * + * {
  margin-block-start: var(--space-2);
}

.flow--lg > * + * {
  margin-block-start: var(--space-8);
}

/* Visibility helpers */
.visually-hidden {
  position: absolute;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  inline-size: var(--space-px);
  block-size: var(--space-px);
  white-space: nowrap;
}

/* Tablet layout */
@media (min-width: 48em) {
  .container,
  .container--narrow,
  .container--content,
  .container--wide,
  .container--max {
    inline-size: min(100% - (var(--container-padding-tablet) * 2), var(--container-default));
  }

  .container--narrow {
    inline-size: min(100% - (var(--container-padding-tablet) * 2), var(--container-narrow));
  }

  .container--content {
    inline-size: min(100% - (var(--container-padding-tablet) * 2), var(--container-content));
  }

  .container--wide {
    inline-size: min(100% - (var(--container-padding-tablet) * 2), var(--container-wide));
  }

  .container--max {
    inline-size: min(100% - (var(--container-padding-tablet) * 2), var(--container-max));
  }

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

  .auto-grid {
    gap: var(--grid-gap-tablet);
  }

  .split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--grid-gap-tablet);
  }
}

/* Desktop layout */
@media (min-width: 64em) {
  .container,
  .container--narrow,
  .container--content,
  .container--wide,
  .container--max {
    inline-size: min(100% - (var(--container-padding-desktop) * 2), var(--container-default));
  }

  .container--narrow {
    inline-size: min(100% - (var(--container-padding-desktop) * 2), var(--container-narrow));
  }

  .container--content {
    inline-size: min(100% - (var(--container-padding-desktop) * 2), var(--container-content));
  }

  .container--wide {
    inline-size: min(100% - (var(--container-padding-desktop) * 2), var(--container-wide));
  }

  .container--max {
    inline-size: min(100% - (var(--container-padding-desktop) * 2), var(--container-max));
  }

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

  .auto-grid {
    gap: var(--grid-gap-desktop);
  }

  .split {
    gap: var(--grid-gap-desktop);
  }

  .split--7-5 {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .split--5-7 {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .split--4-8 {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .split--8-4 {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

/* ===== components.css ===== */
/*
  PrimeGrid Engineering - Components
  Responsibility: Define reusable UI components shared across the static site.
  Components use BEM naming, consume design tokens, and remain page-agnostic.
*/

/* Skip link */
.skip-link {
  position: fixed;
  inset-block-start: var(--space-4);
  inset-inline-start: var(--space-4);
  z-index: var(--z-toast);
  transform: translateY(calc((var(--space-16) + var(--space-4)) * -1));
}

.skip-link:focus,
.skip-link:focus-visible {
  display: inline-flex;
  min-block-size: var(--space-12);
  align-items: center;
  border-radius: var(--radius-md);
  background: var(--color-brand-blue);
  color: var(--text-inverse);
  padding-inline: var(--space-5);
  text-decoration: none;
  transform: translateY(var(--space-0));
}

/* Site header */
.site-header {
  position: sticky;
  inset-block-start: var(--space-0);
  z-index: var(--z-sticky);
  border-block-end: var(--space-px) solid var(--border-default);
  background: color-mix(in srgb, var(--bg-surface) 94%, transparent);
  color: var(--text-heading);
  backdrop-filter: blur(var(--space-3));
}

.site-header__inner {
  display: flex;
  min-block-size: var(--space-20);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.site-header__brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-none);
  text-decoration: none;
}

.site-header__logo {
  display: block;
  inline-size: auto;
  block-size: var(--space-10);
}

.site-header__actions {
  display: none;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-3);
}

.site-header__menu-toggle {
  display: inline-flex;
  inline-size: var(--space-12);
  block-size: var(--space-12);
  align-items: center;
  justify-content: center;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-heading);
}

.site-header__menu-toggle:hover {
  border-color: var(--border-accent);
  color: var(--text-link);
}

.site-header__menu-icon,
.site-header__menu-icon::before,
.site-header__menu-icon::after {
  display: block;
  inline-size: var(--space-5);
  block-size: var(--space-px);
  background: currentColor;
}

.site-header__menu-icon {
  position: relative;
}

.site-header__menu-icon::before,
.site-header__menu-icon::after {
  content: "";
  position: absolute;
  inset-inline-start: var(--space-0);
}

.site-header__menu-icon::before {
  inset-block-start: calc(var(--space-2) * -1);
}

.site-header__menu-icon::after {
  inset-block-start: var(--space-2);
}

.site-header.is-menu-open .site-header__menu-icon {
  background: transparent;
}

.site-header.is-menu-open .site-header__menu-icon::before {
  inset-block-start: var(--space-0);
  transform: rotate(45deg);
}

.site-header.is-menu-open .site-header__menu-icon::after {
  inset-block-start: var(--space-0);
  transform: rotate(-45deg);
}

/* Navigation */
.site-nav {
  display: none;
}

.site-nav.is-open {
  display: block;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
  padding: var(--space-0);
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-block-size: var(--space-12);
  color: var(--text-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-nav);
  text-decoration: none;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  inset-inline: var(--space-0);
  inset-block-end: var(--space-1);
  block-size: var(--space-px);
  background: var(--color-brand-blue);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
  transition: opacity var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard);
}

.site-nav__link:hover,
.site-nav__link.is-active,
.site-nav__link[aria-current="page"] {
  color: var(--text-link);
}

.site-nav__link:hover::after,
.site-nav__link.is-active::after,
.site-nav__link[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-header__mobile-panel {
  display: none;
  position: absolute;
  inset-inline: var(--space-0);
  inset-block-start: 100%;
  border-block-end: var(--space-px) solid var(--border-default);
  background: var(--bg-surface);
  box-shadow: var(--shadow-md);
}

.site-header__mobile-panel.is-open {
  display: block;
}

.site-header__mobile-inner {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-6);
}

.site-header__mobile-actions {
  display: grid;
  gap: var(--space-3);
}

/* Buttons */
.button {
  position: relative;
  display: inline-flex;
  min-block-size: var(--space-12);
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: var(--space-px) solid transparent;
  border-radius: var(--radius-md);
  padding-inline: var(--space-6);
  color: var(--text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: var(--leading-none);
  text-align: center;
  text-decoration: none;
  transition: background-color var(--duration-base) var(--ease-standard), border-color var(--duration-base) var(--ease-standard), color var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard);
}

.button:hover {
  transform: translateY(calc(var(--space-px) * -1));
}

.button:active {
  transform: translateY(var(--space-0));
}

.button[disabled],
.button[aria-disabled="true"],
.button.is-disabled {
  pointer-events: none;
  opacity: var(--opacity-disabled);
}

.button--primary {
  border-color: var(--color-brand-blue);
  background: var(--color-brand-blue);
}

.button--primary:hover {
  border-color: var(--color-brand-navy);
  background: var(--color-brand-navy);
  color: var(--text-inverse);
}

.button--secondary {
  border-color: var(--color-brand-navy);
  background: var(--color-brand-navy);
}

.button--secondary:hover {
  border-color: var(--color-brand-blue);
  background: var(--color-brand-blue);
  color: var(--text-inverse);
}

.button--outline {
  border-color: var(--border-strong);
  background: transparent;
  color: var(--text-heading);
}

.button--outline:hover {
  border-color: var(--border-accent);
  background: var(--bg-surface);
  color: var(--text-link);
}

.button--text {
  min-block-size: auto;
  border-color: transparent;
  background: transparent;
  color: var(--text-link);
  padding: var(--space-0);
}

.button--text:hover {
  color: var(--text-link-hover);
  transform: none;
}

.button--icon {
  inline-size: var(--space-12);
  padding-inline: var(--space-0);
}

.button--sm {
  min-block-size: var(--space-10);
  padding-inline: var(--space-4);
  font-size: var(--text-xs);
}

.button--md {
  min-block-size: var(--space-12);
}

.button--lg {
  min-block-size: var(--space-14);
  padding-inline: var(--space-8);
  font-size: var(--text-base);
}

.button__icon {
  flex: 0 0 auto;
  inline-size: var(--space-5);
  block-size: var(--space-5);
}

.button__icon--end {
  transition: transform var(--duration-base) var(--ease-standard);
}

.button:hover .button__icon--end {
  transform: translateX(var(--space-1));
}

.button.is-loading {
  pointer-events: none;
  color: transparent;
}

.button.is-loading::after {
  content: "";
  position: absolute;
  inline-size: var(--space-5);
  block-size: var(--space-5);
  border: var(--space-px) solid currentColor;
  border-block-start-color: transparent;
  border-radius: var(--radius-full);
  color: var(--text-inverse);
  animation: button-loading var(--duration-slow) var(--ease-linear) infinite;
}

.button--outline.is-loading::after,
.button--text.is-loading::after {
  color: var(--text-link);
}

@keyframes button-loading {
  to {
    transform: rotate(360deg);
  }
}

/* Section header */
.section-header {
  display: grid;
  gap: var(--space-4);
  max-inline-size: var(--container-content);
  margin-block-end: var(--space-12);
}

.section-header--center {
  margin-inline: auto;
  text-align: center;
}

.section-header--end {
  margin-inline-start: auto;
  text-align: end;
}

.section-header--split {
  max-inline-size: none;
}

.section-header__eyebrow {
  color: var(--text-link);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-label);
  line-height: var(--leading-normal);
  text-transform: uppercase;
}

.section-header__heading {
  max-inline-size: var(--container-narrow);
}

.section-header--center .section-header__heading,
.section-header--center .section-header__description {
  margin-inline: auto;
}

.section-header--end .section-header__heading,
.section-header--end .section-header__description {
  margin-inline-start: auto;
}

.section-header__description {
  color: var(--text-muted);
  font-size: var(--text-lg);
}

.section-header__action {
  align-self: end;
}

/* Cards */
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  block-size: 100%;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-6);
  color: var(--text-primary);
}

.card--interactive {
  transition: border-color var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard);
}

.card--interactive:hover,
.card--interactive:focus-within {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(calc(var(--space-1) * -1));
}

.card__media {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--bg-surface-muted);
}

.card__eyebrow {
  color: var(--text-link);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.card__title {
  color: var(--text-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
}

.card__description {
  color: var(--text-muted);
}

.card__footer {
  margin-block-start: auto;
}

.feature-card {
  position: relative;
  padding-block-start: var(--space-8);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset-block-start: var(--space-6);
  inset-inline-start: var(--space-6);
  inline-size: var(--space-8);
  block-size: var(--space-px);
  background: var(--color-brand-blue);
}

.service-card {
  min-block-size: 100%;
}

.service-card__number {
  color: var(--text-link);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

.service-card__scope {
  display: grid;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: var(--text-sm);
  list-style: none;
  padding-inline-start: var(--space-0);
}

.service-card__scope-item {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
}

.service-card__scope-item::before {
  content: "";
  flex: 0 0 var(--space-1);
  inline-size: var(--space-1);
  block-size: var(--space-1);
  border-radius: var(--radius-full);
  background: var(--color-brand-blue);
  transform: translateY(calc(var(--space-px) * -1));
}

.info-card {
  background: var(--bg-surface-muted);
}

.stat-card {
  justify-content: space-between;
}

.stat-card__value {
  color: var(--text-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-none);
}

.stat-card__label {
  color: var(--text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

/* Breadcrumb */
.breadcrumb {
  color: var(--text-subtle);
  font-size: var(--text-sm);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  list-style: none;
  padding-inline-start: var(--space-0);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  max-inline-size: none;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--color-neutral-400);
}

.breadcrumb__link {
  color: var(--text-subtle);
  text-decoration: none;
}

.breadcrumb__link:hover {
  color: var(--text-link);
}

.breadcrumb__current,
.breadcrumb [aria-current="page"] {
  color: var(--text-heading);
  font-weight: var(--font-medium);
}

/* CTA band */
.cta-band {
  background: var(--bg-dark);
  color: var(--text-inverse);
}

.cta-band__inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  padding-block: var(--space-16);
}

.cta-band__content {
  display: grid;
  gap: var(--space-3);
}

.cta-band__eyebrow {
  color: var(--color-neutral-300);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.cta-band__heading {
  color: var(--text-inverse);
}

.cta-band__description {
  color: var(--text-inverse-muted);
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.cta-band .button--outline {
  border-color: var(--border-dark);
  color: var(--text-inverse);
}

.cta-band .button--outline:hover {
  border-color: var(--color-brand-white);
  background: transparent;
  color: var(--text-inverse);
}

/* Site footer */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-inverse-muted);
}

.site-footer__main {
  display: grid;
  gap: var(--space-10);
  padding-block: var(--space-16);
}

.site-footer__brand {
  display: grid;
  gap: var(--space-4);
}

.site-footer__logo {
  inline-size: auto;
  max-inline-size: var(--container-narrow);
  block-size: var(--space-12);
}

.site-footer__description {
  color: var(--text-inverse-muted);
}

.site-footer__heading {
  color: var(--text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.site-footer__nav {
  display: grid;
  gap: var(--space-3);
  list-style: none;
  padding-inline-start: var(--space-0);
}

.site-footer__link {
  color: var(--text-inverse-muted);
  text-decoration: none;
}

.site-footer__link:hover,
.site-footer__link[aria-current="page"] {
  color: var(--text-inverse);
}

.site-footer__contact {
  display: grid;
  gap: var(--space-3);
  font-style: normal;
}

.site-footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.site-footer__social-link {
  display: inline-flex;
  inline-size: var(--space-10);
  block-size: var(--space-10);
  align-items: center;
  justify-content: center;
  border: var(--space-px) solid var(--border-dark);
  border-radius: var(--radius-full);
  color: var(--text-inverse-muted);
  text-decoration: none;
}

.site-footer__social-link:hover {
  border-color: var(--color-brand-white);
  color: var(--text-inverse);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  justify-content: space-between;
  border-block-start: var(--space-px) solid var(--border-dark);
  padding-block: var(--space-6);
  color: var(--text-inverse-muted);
  font-size: var(--text-sm);
}

/* Component responsive rules */
@media (min-width: 48em) {
  .site-header__actions {
    display: flex;
  }

  .section-header--split {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .cta-band__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .site-footer__main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64em) {
  .site-header__menu-toggle,
  .site-header__mobile-panel {
    display: none;
  }

  .site-nav {
    display: block;
  }

  .site-nav__list {
    flex-direction: row;
    gap: var(--space-6);
    align-items: center;
  }

  .site-nav__link {
    min-block-size: var(--space-20);
  }

  .card {
    padding: var(--space-8);
  }

  .site-footer__main {
    grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 47.9375em) {
  .button:not(.button--icon) {
    inline-size: 100%;
  }

  .section-header {
    margin-block-end: var(--space-8);
  }

  .cta-band__actions {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav__link::after,
  .button,
  .button__icon--end,
  .card--interactive {
    transition-duration: var(--space-0);
  }

  .button.is-loading::after {
    animation: none;
  }
}

/* ===== pages.css ===== */
/*
  PrimeGrid Engineering - Page Styles
  Responsibility: Hold page-specific layout exceptions and one-off compositions
  that are not reusable components.
*/

/* Shared inner page hero */
.page-hero {
  overflow: hidden;
  background: var(--bg-surface);
}

.page-hero__inner {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}

.page-hero__lead {
  color: var(--text-muted);
  font-size: var(--text-lg);
}

.page-hero__brand-panel {
  display: grid;
  min-block-size: min(76vw, 28rem);
  align-items: center;
  justify-items: center;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(var(--border-muted) var(--space-px), transparent var(--space-px)),
    linear-gradient(90deg, var(--border-muted) var(--space-px), transparent var(--space-px));
  background-size: var(--space-8) var(--space-8);
}

.page-hero__brand-panel img {
  inline-size: min(54%, 16rem);
  opacity: 0.16;
}

/* About page */
.about-facts {
  display: grid;
  gap: var(--space-4);
}

.about-direction,
.about-values {
  background: var(--bg-surface);
}

.about-quote {
  position: relative;
  display: grid;
  gap: var(--space-6);
  border-block-start: var(--space-px) solid var(--border-default);
  border-block-end: var(--space-px) solid var(--border-default);
  padding-block: var(--space-12);
}

.about-quote::before {
  content: "";
  position: absolute;
  inset-block-start: calc(var(--space-px) * -1);
  inset-inline-start: var(--space-0);
  inline-size: var(--space-20);
  block-size: var(--space-px);
  background: var(--color-brand-blue);
}

.about-quote blockquote {
  display: grid;
  gap: var(--space-5);
  max-inline-size: var(--container-content);
}

.about-quote p {
  color: var(--text-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
}

.about-quote figcaption {
  color: var(--text-muted);
  font-weight: var(--font-semibold);
}

.about-value-grid {
  display: grid;
  gap: var(--grid-gap-mobile);
}

/* Services page */
.services-matrix-section {
  background: var(--bg-surface);
}

.services-matrix {
  display: grid;
  overflow: hidden;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
}

.services-matrix__row {
  display: grid;
  gap: var(--space-3);
  border-block-end: var(--space-px) solid var(--border-default);
  padding: var(--space-5);
}

.services-matrix__row:last-child {
  border-block-end: 0;
}

.services-matrix__row--head {
  display: none;
}

.services-matrix__row strong {
  color: var(--text-heading);
  font-size: var(--text-lg);
}

.services-matrix__row span {
  color: var(--text-muted);
}

.services-tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.services-tool-grid span {
  display: inline-flex;
  min-block-size: var(--space-12);
  align-items: center;
  justify-content: center;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-heading);
  font-weight: var(--font-semibold);
  text-align: center;
}

.services-coordination {
  display: grid;
  gap: var(--space-3);
}

.services-coordination span {
  display: flex;
  min-block-size: var(--space-14);
  align-items: center;
  border: var(--space-px) solid var(--border-dark);
  border-radius: var(--radius-md);
  color: var(--text-inverse);
  font-weight: var(--font-semibold);
  padding-inline: var(--space-5);
}

/* Service detail pages */
.service-detail-hero {
  background: var(--bg-surface);
}

.service-detail-panel {
  display: grid;
  gap: var(--space-4);
  align-self: start;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-6);
}

.service-detail-panel h2 {
  font-size: var(--text-xl);
}

.service-detail-panel ul {
  display: grid;
  gap: var(--space-3);
  padding-inline-start: var(--space-5);
}

.service-detail-surface {
  background: var(--bg-surface);
}

.service-scope-grid {
  display: grid;
  gap: var(--grid-gap-mobile);
}

.service-process {
  display: grid;
  gap: var(--space-4);
  list-style: none;
  padding-inline-start: var(--space-0);
}

.service-process li {
  display: grid;
  gap: var(--space-2);
  max-inline-size: none;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-6);
}

.service-process strong {
  color: var(--text-heading);
  font-size: var(--text-lg);
}

.service-process span {
  color: var(--text-muted);
}

/* Methodology and standards pages */
.methodology-surface {
  background: var(--bg-surface);
}

.methodology-workflow {
  display: grid;
  gap: var(--space-4);
  list-style: none;
  padding-inline-start: var(--space-0);
}

.methodology-workflow li {
  display: grid;
  gap: var(--space-3);
  max-inline-size: none;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-6);
}

.methodology-workflow span {
  color: var(--text-link);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

.methodology-workflow h3 {
  font-size: var(--text-lg);
}

.methodology-card-grid,
.methodology-feedback,
.standards-grid,
.technology-grid {
  display: grid;
  gap: var(--grid-gap-mobile);
}

.methodology-feedback span {
  display: flex;
  min-block-size: var(--space-14);
  align-items: center;
  border: var(--space-px) solid var(--border-dark);
  border-radius: var(--radius-md);
  color: var(--text-inverse);
  font-weight: var(--font-semibold);
  padding-inline: var(--space-5);
}

.standards-grid article,
.technology-grid article {
  display: grid;
  gap: var(--space-2);
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-6);
}

.standards-grid strong,
.technology-grid strong {
  color: var(--text-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-none);
}

.standards-grid span,
.technology-grid span {
  color: var(--text-muted);
}

.qa-confidence {
  display: grid;
  gap: var(--space-4);
  border-block-start: var(--space-px) solid var(--border-default);
  border-block-end: var(--space-px) solid var(--border-default);
  padding-block: var(--space-12);
}

.qa-confidence h2 {
  max-inline-size: var(--container-content);
}

.qa-confidence p:last-child {
  font-size: var(--text-lg);
}

/* Markets, sustainability, and contact pages */
.market-page-grid,
.market-support-grid,
.sustainability-grid,
.principles-row,
.contact-details {
  display: grid;
  gap: var(--grid-gap-mobile);
}

.market-support-grid article,
.principles-row article {
  display: grid;
  gap: var(--space-2);
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-6);
}

.market-support-grid strong,
.principles-row strong {
  color: var(--text-heading);
  font-size: var(--text-xl);
}

.market-support-grid span,
.principles-row span {
  color: var(--text-muted);
}

.contact-layout {
  display: grid;
  gap: var(--space-8);
}

.contact-form {
  display: grid;
  gap: var(--space-6);
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-6);
}

.contact-form__grid {
  display: grid;
  gap: var(--space-5);
}

.contact-form__grid > div {
  display: grid;
  gap: var(--space-2);
}

.contact-form__full {
  grid-column: 1 / -1;
}

.contact-map-panel {
  display: grid;
  gap: var(--space-3);
  align-content: end;
  min-block-size: min(70vw, 26rem);
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(var(--border-muted) var(--space-px), transparent var(--space-px)),
    linear-gradient(90deg, var(--border-muted) var(--space-px), transparent var(--space-px)),
    var(--bg-surface);
  background-size: var(--space-8) var(--space-8);
  padding: var(--space-8);
}

.contact-map-panel span {
  color: var(--text-link);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.contact-map-panel strong {
  color: var(--text-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
}

/* Home hero */
.home-hero {
  overflow: hidden;
  background: var(--gradient-navy);
  color: var(--text-inverse);
}

.home-hero__inner {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}

.home-hero__content {
  position: relative;
  z-index: var(--z-base);
}

.home-hero h1,
.home-hero .section-header__eyebrow {
  color: var(--text-inverse);
}

.home-hero .section-header__eyebrow {
  color: var(--color-neutral-300);
}

.home-hero__lead {
  color: var(--text-inverse-muted);
  font-size: var(--text-lg);
}

.home-hero__secondary {
  border-color: var(--border-dark);
  color: var(--text-inverse);
}

.home-hero__secondary:hover {
  border-color: var(--color-brand-white);
  background: transparent;
  color: var(--text-inverse);
}

.home-hero__visual {
  position: relative;
  display: grid;
  min-block-size: min(80vw, 30rem);
  align-items: center;
  justify-items: center;
  border: var(--space-px) solid var(--border-dark);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(rgba(255, 255, 255, 0.06) var(--space-px), transparent var(--space-px)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) var(--space-px), transparent var(--space-px));
  background-size: var(--space-8) var(--space-8);
}

.home-hero__mark {
  inline-size: min(62%, 17rem);
  opacity: 0.16;
  filter: grayscale(1) brightness(4);
}

.home-hero__visual-grid {
  position: absolute;
  inset: var(--space-8);
  border: var(--space-px) solid var(--border-dark);
  border-radius: var(--radius-md);
}

.home-hero__proof {
  position: absolute;
  inset-inline: var(--space-6);
  inset-block-end: var(--space-6);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.home-hero__proof div {
  border-block-start: var(--space-px) solid var(--border-dark);
  padding-block-start: var(--space-3);
}

.home-hero__proof dt {
  color: var(--text-inverse);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-none);
}

.home-hero__proof dd {
  color: var(--text-inverse-muted);
  font-size: var(--text-sm);
}

/* At a glance */
.home-glance {
  background: var(--bg-surface);
}

.home-glance__grid {
  display: grid;
  gap: var(--grid-gap-mobile);
}

/* Dark differentiator section */
.home-dark {
  background: var(--bg-dark);
  color: var(--text-inverse);
}

.home-dark .section-header__heading,
.home-dark .section-header__description,
.home-feature h3 {
  color: var(--text-inverse);
}

.home-dark .section-header__description,
.home-feature p {
  color: var(--text-inverse-muted);
}

.home-feature-grid {
  display: grid;
  gap: var(--space-6);
}

.home-feature {
  position: relative;
  display: grid;
  gap: var(--space-3);
  border-block-start: var(--space-px) solid var(--border-dark);
  padding-block-start: var(--space-5);
}

.home-feature::before {
  content: "";
  position: absolute;
  inset-block-start: calc(var(--space-px) * -1);
  inset-inline-start: var(--space-0);
  inline-size: var(--space-10);
  block-size: var(--space-px);
  background: var(--color-brand-blue);
}

.home-feature h3 {
  font-size: var(--text-xl);
}

/* Workflow */
.home-timeline {
  display: grid;
  gap: var(--space-5);
  list-style: none;
  padding-inline-start: var(--space-0);
}

.home-timeline__item {
  position: relative;
  display: grid;
  gap: var(--space-3);
  max-inline-size: none;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-6);
}

.home-timeline__number {
  color: var(--text-link);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

.home-timeline h3 {
  font-size: var(--text-lg);
}

/* BIM section */
.home-bim {
  background: var(--bg-surface);
}

.home-check-list {
  display: grid;
  gap: var(--space-3);
  padding-inline-start: var(--space-5);
}

.home-bim__panel {
  display: grid;
  gap: var(--space-3);
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-dark);
  padding: var(--space-6);
}

.home-bim__panel article {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border: var(--space-px) solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.home-bim__panel strong {
  color: var(--text-inverse);
  font-size: var(--text-2xl);
}

.home-bim__panel span {
  color: var(--text-inverse-muted);
  text-align: end;
}

/* Standards and QA */
.home-standards {
  display: grid;
  gap: var(--space-8);
}

.home-badge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.home-badge-grid span {
  display: inline-flex;
  min-block-size: var(--space-12);
  align-items: center;
  justify-content: center;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-heading);
  font-weight: var(--font-semibold);
  text-align: center;
}

.home-qa-grid {
  display: grid;
  gap: var(--space-4);
}

/* Markets */
.home-markets {
  background: var(--bg-surface);
}

.home-market-grid {
  display: grid;
  gap: var(--grid-gap-mobile);
}

.market-tile {
  justify-content: end;
  min-block-size: var(--space-36);
}

@media (min-width: 48em) {
  .about-value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-tool-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .service-scope-grid,
  .service-process,
  .methodology-workflow,
  .methodology-card-grid,
  .methodology-feedback,
  .standards-grid,
  .technology-grid,
  .market-page-grid,
  .market-support-grid,
  .sustainability-grid,
  .principles-row,
  .contact-form__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .home-glance__grid,
  .home-feature-grid,
  .home-qa-grid,
  .home-market-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-badge-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 64em) {
  .page-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .about-value-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .services-matrix__row {
    grid-template-columns: minmax(0, 1.4fr) repeat(5, minmax(0, 1fr));
    align-items: center;
  }

  .services-matrix__row--head {
    display: grid;
    background: var(--bg-surface-muted);
    color: var(--text-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
  }

  .services-matrix__row strong {
    font-size: var(--text-base);
  }

  .services-coordination {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .service-scope-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .service-process {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .methodology-workflow {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-0);
  }

  .methodology-workflow li {
    border-radius: var(--radius-none);
    border-inline-end: 0;
  }

  .methodology-workflow li:first-child {
    border-start-start-radius: var(--radius-lg);
    border-end-start-radius: var(--radius-lg);
  }

  .methodology-workflow li:last-child {
    border-inline-end: var(--space-px) solid var(--border-default);
    border-start-end-radius: var(--radius-lg);
    border-end-end-radius: var(--radius-lg);
  }

  .methodology-card-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .methodology-feedback {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .standards-grid,
  .technology-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .market-page-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .market-support-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .sustainability-grid,
  .principles-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .home-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .home-glance__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .home-feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .home-timeline {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-0);
  }

  .home-timeline__item {
    border-radius: var(--radius-none);
    border-inline-end: 0;
  }

  .home-timeline__item:first-child {
    border-start-start-radius: var(--radius-lg);
    border-end-start-radius: var(--radius-lg);
  }

  .home-timeline__item:last-child {
    border-inline-end: var(--space-px) solid var(--border-default);
    border-start-end-radius: var(--radius-lg);
    border-end-end-radius: var(--radius-lg);
  }

  .home-standards {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .home-market-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 47.9375em) {
  .home-bim__panel article {
    align-items: flex-start;
    flex-direction: column;
  }

  .home-bim__panel span {
    text-align: start;
  }
}