/*
 * VTX Group website design system
 * WCAG 2.1 AA-oriented foundations.
 * Brand accent colors are intentionally separated from accessible text colors.
 */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");

:root {
  color-scheme: light;

  /* Brand palette */
  --brand-electric-blue: #001960;
  --brand-neon-red: #ff3b5c;
  --brand-tech-blue: #006cff;
  --brand-lime: #a6f22e;
  --brand-charcoal: #1e1e1e;
  --brand-cool-gray: #b7c2ce;
  --brand-white: #ffffff;
  --brand-black: #000000;

  /* Accessible semantic colors */
  --color-canvas: #ffffff;
  --color-surface: #f4f7fa;
  --color-surface-strong: #e7edf3;
  --color-text: #1e1e1e;
  --color-text-muted: #4d5967;
  --color-heading: #001960;
  --color-border: #7b8794;
  --color-action: #004fc2;
  --color-action-hover: #003b92;
  --color-danger: #b7193b;
  --color-success: #285f00;
  --color-focus: #006cff;

  /* Gradients */
  --gradient-primary: linear-gradient(110deg, #001960 0%, #ff3b5c 100%);
  --gradient-blue: linear-gradient(110deg, #001960 0%, #006cff 100%);
  --gradient-lime: linear-gradient(110deg, #006cff 0%, #a6f22e 100%);
  --gradient-dark: linear-gradient(110deg, #001960 0%, #000000 100%);

  /* Typography */
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-3xl: clamp(2rem, 1.45rem + 2.4vw, 3.5rem);
  --text-hero: clamp(2.5rem, 1.5rem + 4.5vw, 5.75rem);

  /* Layout and shape */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --section-space: clamp(4rem, 9vw, 8rem);
  --page-gutter: clamp(1rem, 4vw, 4rem);
  --container-width: 80rem;
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-pill: 999px;
  --shadow-soft: 0 1rem 3rem rgb(0 25 96 / 12%);
  --shadow-glow: 0 0 2.5rem rgb(0 108 255 / 24%);
  --motion-fast: 160ms;
  --motion-base: 240ms;

  /* Logo: never render below 120px. Clear space equals at least one X-mark width. */
  --logo-min-width: 120px;
  --logo-clear-space: clamp(1rem, 2.5vw, 2rem);
}

/* Foundation page — revised Vision → Mission → Values layout */
.foundation-vision-block,
.foundation-mission-block,
.foundation-values-block {
  border-top: 1px solid var(--color-surface-strong);
}

.foundation-vision-block.section-block,
.foundation-mission-block.section-block,
.foundation-values-block.section-block {
  padding-block: clamp(1.65rem, 3.8vw, 3rem);
}

.foundation-vision-block.section-block--first {
  padding-top: 0;
  border-top: 0;
}

.section-number {
  margin: 0 0 .7rem;
  color: var(--brand-tech-blue);
  font-size: .92rem;
  font-weight: var(--font-weight-extrabold);
  letter-spacing: .16em;
  line-height: 1.2;
  text-transform: uppercase;
}

.foundation-vision-statement {
  max-width: 82rem;
  margin-bottom: clamp(.95rem, 1.8vw, 1.4rem);
}

.foundation-vision-statement h2 {
  max-width: 80rem;
  margin-bottom: .75rem;
  font-size: clamp(1.85rem, 2.8vw, 3.35rem);
  line-height: 1.03;
  letter-spacing: -.07em;
}

.foundation-vision-statement h2 span {
  color: var(--brand-neon-red);
}

@media (min-width: 40.01rem) {
  .foundation-vision-statement h2 span {
    white-space: nowrap;
  }
}

.foundation-vision-statement p {
  max-width: 64rem;
  margin: 0;
  color: var(--color-text);
  font-size: clamp(.96rem, 1.12vw, 1.06rem);
  font-weight: 500;
  line-height: 1.75;
}

.foundation-vision-visual {
  position: relative;
  isolation: isolate;
  display: grid;
  align-content: center;
  min-height: clamp(14rem, 28vh, 18rem);
  padding: clamp(1.25rem, 2.4vw, 2rem);
  color: var(--brand-white);
  background: var(--brand-electric-blue);
  overflow: hidden;
  border-radius: calc(var(--radius-lg) + .25rem);
  box-shadow: var(--shadow-soft);
}

.desktop-break {
  display: none;
}

@media (min-width: 56.01rem) {
  .desktop-break {
    display: initial;
  }
}

.foundation-vision-visual::before,
.foundation-vision-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
}

.foundation-vision-visual::before {
  background:
    linear-gradient(115deg, rgb(0 25 96 / 18%), rgb(0 0 0 / 38%)),
    url("city-night-tech.jpg") 8% 48% / cover no-repeat,
    url("skyline-option-03.png") 72% 48% / cover no-repeat;
  background-blend-mode: normal, screen, normal;
  filter: saturate(1.12) contrast(1.08);
}

.foundation-vision-visual::after {
  z-index: -1;
  background:
    linear-gradient(135deg, rgb(0 25 96 / 90%) 0%, rgb(0 25 96 / 62%) 48%, rgb(30 30 30 / 76%) 100%),
    radial-gradient(circle at 20% 18%, rgb(0 108 255 / 32%), transparent 30%),
    radial-gradient(circle at 84% 22%, rgb(255 59 92 / 34%), transparent 34%),
    repeating-linear-gradient(90deg, rgb(255 255 255 / 5%) 0 1px, transparent 1px 5.25rem);
}

.foundation-pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
}

.foundation-pillar-card {
  min-height: 8.4rem;
  padding: 1rem 1.15rem;
  color: var(--brand-white);
  background: rgb(255 255 255 / 9%);
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 10%);
  backdrop-filter: blur(18px);
  transition: transform var(--motion-base), background var(--motion-base);
}

.foundation-pillar-card:hover {
  transform: translateY(-.25rem);
  background: rgb(255 255 255 / 13%);
}

.foundation-pillar-card__head,
.foundation-pillar-card > span,
.mission-commitment-card__icon {
  display: grid;
}

.foundation-pillar-card__head {
  grid-template-columns: 2.8rem minmax(0, 1fr);
  align-items: center;
  gap: .75rem;
  margin-bottom: .85rem;
}

.foundation-pillar-card__head h3 {
  margin: 0;
}

.foundation-pillar-card__head > span,
.mission-commitment-card__icon {
  display: grid;
  width: 2.8rem;
  height: 2.8rem;
  place-items: center;
  color: var(--brand-white);
  background-color: #ff3b5c;
  opacity: 1;
  mix-blend-mode: normal;
  border-radius: 1rem;
}

.foundation-pillar-card__head .icon,
.mission-commitment-card__icon .icon {
  width: 1.35rem;
  height: 1.35rem;
  stroke-width: 2;
}

.foundation-pillar-card h3,
.mission-commitment-card h3 {
  margin: 0 0 .5rem;
  color: inherit;
  font-size: clamp(1.14rem, 1.5vw, 1.32rem);
  line-height: 1.16;
  letter-spacing: -.035em;
}

.foundation-pillar-card p {
  margin: 0;
  color: var(--brand-white);
  font-weight: var(--font-weight-regular);
  font-size: .92rem;
  line-height: 1.45;
}

.foundation-mission-block .section-heading {
  max-width: 58rem;
  margin-bottom: clamp(1.15rem, 2.4vw, 1.85rem);
}

.foundation-mission-block .section-heading h2 {
  font-size: clamp(2rem, 3vw, 3.35rem);
}

.foundation-mission-block .section-heading > p:last-child {
  max-width: 54rem;
  margin-top: .45rem;
  color: var(--color-text);
  font-size: clamp(.98rem, 1.2vw, 1.08rem);
  line-height: 1.55;
}

.mission-commitment-grid,
.mission-tile-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.mission-commitment-card,
.mission-tile {
  display: grid;
  grid-template-columns: 2.8rem minmax(0, 1fr);
  column-gap: clamp(.85rem, 1.5vw, 1.1rem);
  row-gap: .75rem;
  align-content: start;
  min-height: 24rem;
  padding: clamp(1rem, 1.8vw, 1.35rem);
  background: var(--color-surface);
  border: 1px solid var(--color-surface-strong);
  border-radius: var(--radius-lg);
  transition: transform var(--motion-base), border-color var(--motion-base), box-shadow var(--motion-base);
}

.mission-commitment-card__icon {
  margin: 0;
  color: var(--brand-electric-blue);
  background: rgb(0 108 255 / 12%);
}

.mission-commitment-card h3,
.mission-tile h3 {
  align-self: center;
  margin: 0;
  color: var(--brand-electric-blue);
}

.mission-commitment-card > p,
.mission-tile > p {
  grid-column: 1 / -1;
  margin: 0 0 .8rem;
  color: var(--brand-black);
  font-size: .9rem;
  line-height: 1.45;
}

.mission-commitment-card ul,
.mission-tile ul {
  grid-column: 1 / -1;
  display: grid;
  gap: .56rem;
  padding: 0;
  margin: auto 0 0;
  list-style: none;
}

.mission-commitment-card li,
.mission-tile li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--brand-black);
  font-size: .83rem;
  font-weight: 560;
  line-height: 1.45;
}

.mission-commitment-card li::before,
.mission-tile li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--brand-lime);
  font-weight: 900;
}

.mission-tile-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--color-surface-strong);
  border-radius: calc(var(--radius-lg) + .25rem);
}

.mission-tile {
  min-height: 18.5rem;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.mission-tile > p {
  min-height: 0;
}

.mission-tile--1 > p,
.mission-tile--2 > p {
  min-height: 4.7rem;
}

.mission-tile--3 > p,
.mission-tile--4 > p {
  min-height: 6rem;
}

.mission-tile--1,
.mission-tile--4 {
  background: #f4f7fa;
}

.mission-tile--2 {
  background: var(--brand-tech-blue);
  color: var(--brand-white);
}

.mission-tile--3 {
  background: var(--brand-neon-red);
  color: var(--brand-white);
}

.mission-tile--2 h3,
.mission-tile--2 > p,
.mission-tile--2 li,
.mission-tile--3 h3,
.mission-tile--3 > p,
.mission-tile--3 li {
  color: var(--brand-white);
}

.mission-tile--2 .mission-commitment-card__icon,
.mission-tile--3 .mission-commitment-card__icon {
  color: var(--brand-white);
  background: rgb(255 255 255 / 18%);
}

.mission-tile--2 li::before,
.mission-tile--3 li::before {
  color: var(--brand-lime);
}

.value-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2vw, 1.6rem);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  background:
    linear-gradient(135deg, rgb(0 25 96 / 96%), rgb(0 25 96 / 86%)),
    radial-gradient(circle at 14% 18%, rgb(0 108 255 / 36%), transparent 28%),
    radial-gradient(circle at 94% 12%, rgb(255 59 92 / 28%), transparent 32%);
  border-radius: calc(var(--radius-lg) + .25rem);
  color: var(--brand-white);
}

.value-band__intro {
  display: grid;
  align-content: center;
}

.value-band__intro h2 {
  max-width: 62rem;
  color: var(--brand-white);
  font-size: clamp(2rem, 3vw, 3.35rem);
  line-height: 1;
  letter-spacing: -.065em;
}

.value-band__intro p {
  max-width: 58rem;
  margin: 0;
  color: var(--brand-white);
  font-size: .96rem;
}

.value-band__items {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
}

.value-band-card {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.5rem);
  min-height: auto;
  padding: clamp(.95rem, 1.55vw, 1.25rem);
  color: var(--brand-electric-blue);
  text-decoration: none;
  background: var(--brand-white);
  border: 1px solid rgb(255 255 255 / 22%);
  border-radius: var(--radius-lg);
  transition: transform var(--motion-base), background var(--motion-base), color var(--motion-base), border-color var(--motion-base), box-shadow var(--motion-base);
}

.value-band-card:hover {
  transform: translateY(-.28rem);
  color: var(--brand-white);
  background: rgb(255 255 255 / 10%);
  border-color: rgb(255 255 255 / 28%);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 18%);
  backdrop-filter: blur(18px);
}

.value-band-card__icon {
  display: grid;
  width: 3.25rem;
  height: 3.25rem;
  margin: 0;
  place-items: center;
  color: var(--brand-neon-red);
}

.value-band-card:hover .value-band-card__icon {
  color: var(--brand-lime);
}

.value-band-card__icon .icon {
  width: 100%;
  height: 100%;
  stroke-width: 1.8;
}

.value-band-card h3 {
  margin: 0 0 .75rem;
  color: inherit;
  font-size: clamp(1.3rem, 1.65vw, 1.72rem);
  line-height: 1.05;
}

.value-band-card p {
  max-width: 52rem;
  margin: 0;
  color: inherit;
  font-size: .9rem;
  line-height: 1.42;
  color: var(--brand-black);
  opacity: 1;
}

.value-band-card:hover p {
  color: var(--brand-white);
  opacity: 1;
}

.value-band-card strong {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin-top: 0;
  white-space: nowrap;
  color: var(--brand-neon-red);
  font-size: .98rem;
}

.value-band-card:hover strong {
  color: var(--brand-lime);
}

.value-band-card strong .icon {
  width: 1rem;
  height: 1rem;
}

@media (max-width: 76rem) {
  .mission-commitment-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mission-commitment-card {
    min-height: 24rem;
  }

  .value-band__intro {
    max-width: 42rem;
  }

  .value-band-card {
    grid-template-columns: 3.5rem minmax(0, 1fr) auto;
  }
}

@media (max-width: 56rem) {
  .foundation-pillar-grid,
  .mission-commitment-grid,
  .mission-tile-grid {
    grid-template-columns: 1fr;
  }

  .foundation-vision-visual {
    padding: 2rem 1.25rem;
  }

  .foundation-vision-visual {
    min-height: 38rem;
  }

  .foundation-vision-visual::before {
    background-position: center, 22% center, 72% center;
  }

  .foundation-pillar-card,
  .mission-commitment-card,
  .mission-tile {
    min-height: auto;
  }

  .mission-commitment-card ul {
    margin-top: 1.25rem;
  }

  .mission-tile > p {
    min-height: 0;
  }

  .value-band {
    margin-top: 1.75rem;
    padding: 2.75rem 1.25rem 1.25rem;
  }

  .value-band__items {
    grid-template-columns: 1fr;
  }

  .value-band-card {
    grid-template-columns: 3rem minmax(0, 1fr);
    column-gap: 1rem;
    min-height: auto;
  }

  .value-band-card__icon {
    width: 3rem;
    height: 3rem;
    margin: 0;
  }

  .value-band-card strong {
    grid-column: 2;
    margin-top: .75rem;
  }
}

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

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-weight-regular);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

a {
  color: var(--color-action);
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--color-action-hover);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  box-shadow: 0 0 0 2px var(--brand-white);
}

::selection {
  background: var(--brand-lime);
  color: var(--brand-electric-blue);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 0.5em;
  color: var(--color-heading);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.035em;
  line-height: 1.1;
  text-wrap: balance;
}

h1 { font-size: var(--text-hero); font-weight: var(--font-weight-extrabold); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); font-weight: var(--font-weight-semibold); }
h4 { font-size: var(--text-xl); font-weight: var(--font-weight-semibold); }

p {
  margin: 0 0 1em;
  max-width: 70ch;
}

small,
.note {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-light);
  line-height: 1.55;
}

.container {
  width: min(100% - (2 * var(--page-gutter)), var(--container-width));
  margin-inline: auto;
}

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

.section--soft {
  background: var(--color-surface);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-4);
  left: var(--space-4);
  translate: 0 -200%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--brand-electric-blue);
  color: var(--brand-white);
  font-weight: var(--font-weight-semibold);
}

.skip-link:focus {
  translate: 0;
}

.brand-logo {
  display: block;
  box-sizing: content-box;
  width: clamp(var(--logo-min-width), 14vw, 220px);
  min-width: var(--logo-min-width);
  padding: var(--logo-clear-space);
}

.brand-logo--on-dark {
  background: var(--brand-electric-blue);
}

.eyebrow {
  margin-bottom: var(--space-4);
  color: var(--color-action);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.12em;
  line-height: 1.3;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.125rem;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--brand-electric-blue);
  color: var(--brand-white);
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  line-height: 1.25;
  text-decoration: none;
  transition: background-color var(--motion-fast) ease, box-shadow var(--motion-fast) ease, translate var(--motion-fast) ease;
}

.button:hover {
  background: var(--color-action-hover);
  color: var(--brand-white);
  box-shadow: var(--shadow-glow);
  translate: 0 -2px;
}

.button--secondary {
  border-color: var(--brand-electric-blue);
  background: transparent;
  color: var(--brand-electric-blue);
}

.button--secondary:hover {
  background: var(--brand-electric-blue);
  color: var(--brand-white);
}

.button--accent {
  background: var(--brand-lime);
  color: var(--brand-electric-blue);
}

.button--accent:hover {
  background: #8ed80d;
  color: var(--brand-electric-blue);
}

.card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--color-surface-strong);
  border-radius: var(--radius-lg);
  background: var(--color-canvas);
  box-shadow: var(--shadow-soft);
}

.card--glass {
  border-color: rgb(255 255 255 / 32%);
  background: rgb(255 255 255 / 72%);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgb(255 255 255 / 70%);
  backdrop-filter: blur(18px) saturate(135%);
}

.gradient-band {
  min-height: 0.5rem;
  background: var(--gradient-primary);
}

.gradient-band--blue { background: var(--gradient-blue); }
.gradient-band--lime { background: var(--gradient-lime); }
.gradient-band--dark { background: var(--gradient-dark); }

.hero-tech-human {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--gradient-dark);
  color: var(--brand-white);
}

.hero-tech-human h1,
.hero-tech-human h2,
.hero-tech-human h3 {
  color: var(--brand-white);
}

.hero-tech-human::before,
.hero-tech-human::after {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  content: "";
  filter: blur(12px);
  pointer-events: none;
}

.hero-tech-human::before {
  width: 28rem;
  aspect-ratio: 1;
  top: -14rem;
  right: -8rem;
  background: rgb(0 108 255 / 32%);
  box-shadow: 0 0 8rem rgb(0 108 255 / 42%);
}

.hero-tech-human::after {
  width: 20rem;
  aspect-ratio: 1;
  bottom: -13rem;
  left: 18%;
  background: rgb(255 59 92 / 22%);
  box-shadow: 0 0 7rem rgb(255 59 92 / 34%);
}

.photo-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-surface-strong);
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-frame::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgb(0 108 255 / 10%), transparent 46%, rgb(255 59 92 / 12%));
  content: "";
  pointer-events: none;
}

.icon {
  width: 1.5rem;
  height: 1.5rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.75;
}

.grid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 2rem);
}

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

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

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

/* Never use neon red, lime, or cool gray as normal-sized text on white. */
.text-red-accessible { color: var(--color-danger); }
.text-green-accessible { color: var(--color-success); }
.text-muted { color: var(--color-text-muted); }

@media (max-width: 48rem) {
  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (forced-colors: active) {
  .button,
  .card,
  .card--glass {
    border: 2px solid ButtonText;
  }
}

/* --------------------------------------------------------------------------
   Code of Conduct website
   These components consume the design tokens above; the brand foundations
   remain the source of truth.
   -------------------------------------------------------------------------- */

:root {
  --sidebar-width: 19rem;
  --header-height: 5rem;
  --content-max: 74rem;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto 0;
  display: grid;
  height: var(--header-height);
  grid-template-columns: var(--sidebar-width) 1fr auto auto;
  align-items: center;
  border-bottom: 1px solid rgb(0 25 96 / 10%);
  background: rgb(255 255 255 / 92%);
  backdrop-filter: blur(18px) saturate(150%);
}

.site-brand {
  display: flex;
  height: 100%;
  align-items: center;
  padding-inline: 1.75rem;
  border-right: 0;
  background: var(--brand-electric-blue);
}

.site-brand img {
  width: clamp(120px, 10vw, 168px);
  height: auto;
}

.site-logo--original { display: none; }
.site-logo--inverse { display: block; }

.header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-inline: var(--page-gutter);
  color: var(--brand-electric-blue);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
}

.version-badge {
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface-strong);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.pdf-download {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: var(--space-2);
  margin-right: var(--space-4);
  padding: 0.65rem 0.95rem;
  border-radius: var(--radius-pill);
  background: var(--brand-electric-blue);
  color: var(--brand-white);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  transition: background-color var(--motion-fast) ease, color var(--motion-fast) ease, translate var(--motion-fast) ease;
}

.pdf-download .icon { width: 1.1rem; height: 1.1rem; }

.pdf-download:hover {
  background: var(--brand-neon-red);
  color: var(--brand-white);
  translate: 0 -1px;
}

.pdf-download:hover .icon { color: var(--brand-lime); }

.menu-button,
.sidebar-close {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--brand-electric-blue);
  color: var(--brand-white);
  cursor: pointer;
}

.site-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  padding-top: var(--header-height);
}

.chapter-sidebar {
  position: fixed;
  z-index: 90;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  display: flex;
  width: var(--sidebar-width);
  flex-direction: column;
  overflow-y: auto;
  border-right: 1px solid var(--brand-electric-blue);
  background: var(--brand-electric-blue);
}

.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 1.5rem 0.85rem;
}

.sidebar-label {
  margin: 0;
  color: rgb(255 255 255 / 72%);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.chapter-nav {
  padding: 0 0.75rem 1.5rem;
}

.nav-home,
.nav-chapter,
.nav-sublist a {
  color: rgb(255 255 255 / 82%);
  text-decoration: none;
  transition: color var(--motion-fast) ease, background-color var(--motion-fast) ease, translate var(--motion-fast) ease;
}

.nav-home {
  display: block;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
}

.nav-home:hover,
.nav-home.is-active {
  background: var(--brand-white);
  color: var(--brand-electric-blue);
}

.nav-list,
.nav-sublist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list {
  margin-top: 0.4rem;
}

.nav-chapter {
  display: grid;
  grid-template-columns: 2.1rem 1fr;
  align-items: baseline;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-sm);
}

.nav-chapter span {
  color: var(--brand-lime);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
}

.nav-chapter strong {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
}

.nav-chapter:hover,
.nav-chapter.is-active {
  background: var(--brand-white);
  color: var(--brand-electric-blue);
}

.nav-chapter:hover span,
.nav-chapter.is-active span {
  color: var(--color-action);
}

.nav-sublist {
  position: relative;
  margin: 0.2rem 0 0.6rem 1.9rem;
  padding-left: 1rem;
}

.nav-sublist::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 1px;
  background: rgb(255 255 255 / 22%);
  content: "";
}

.nav-sublist a {
  display: block;
  padding: 0.42rem 0.6rem;
  border-radius: 0.4rem;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
}

.nav-sublist a:hover,
.nav-sublist a.is-active {
  background: var(--brand-white);
  color: var(--brand-electric-blue);
  translate: 0.15rem 0;
}

.sidebar-foot {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding: 1rem 1.5rem;
  border-top: 1px solid rgb(255 255 255 / 20%);
  color: rgb(255 255 255 / 72%);
  font-size: 0.65rem;
  font-weight: var(--font-weight-medium);
}

.nav-backdrop {
  display: none;
}

main {
  min-width: 0;
  grid-column: 2;
  outline: none;
}

.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 26rem;
  padding: clamp(4rem, 8vw, 7rem) var(--page-gutter);
  background: var(--gradient-dark);
  color: var(--brand-white);
}

.page-hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: linear-gradient(rgb(255 255 255 / 4%) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 4%) 1px, transparent 1px);
  background-size: 3rem 3rem;
  mask-image: linear-gradient(to right, transparent, #000 40%, #000);
  content: "";
}

.page-hero__glow {
  position: absolute;
  z-index: -1;
  width: 28rem;
  aspect-ratio: 1;
  top: -15rem;
  right: -5rem;
  border-radius: 50%;
  background: rgb(0 108 255 / 35%);
  box-shadow: 0 0 9rem rgb(0 108 255 / 48%), -8rem 20rem 8rem rgb(255 59 92 / 18%);
}

.page-hero__content {
  position: relative;
  width: min(100%, var(--content-max));
  margin-inline: auto;
}

.chapter-kicker {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0 0 var(--space-5);
  color: var(--brand-lime);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.chapter-kicker::before {
  width: 2rem;
  height: 2px;
  background: currentColor;
  content: "";
}

.page-hero h1 {
  max-width: 15ch;
  margin-bottom: var(--space-5);
  color: var(--brand-white);
  font-size: clamp(2.8rem, 7vw, 6.8rem);
  line-height: 0.98;
}

.page-lead {
  max-width: 62ch;
  margin: 0;
  color: var(--brand-white);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
}

.hero-symbol {
  position: absolute;
  right: 0;
  bottom: 0;
  display: grid;
  width: clamp(7rem, 13vw, 10rem);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 24%);
  border-radius: 2rem;
  background: rgb(255 255 255 / 10%);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 24%), 0 1.5rem 4rem rgb(0 0 0 / 22%);
  color: var(--brand-lime);
  backdrop-filter: blur(18px) saturate(140%);
}

.hero-symbol .icon {
  width: 48%;
  height: auto;
  stroke: none;
}

.content-page {
  width: min(100% - (2 * var(--page-gutter)), var(--content-max));
  margin-inline: auto;
  padding-block: clamp(3rem, 7vw, 6rem);
}

.section-block {
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.section-block--first {
  padding-top: 0;
}

.section-heading {
  display: grid;
  max-width: 56rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-heading .eyebrow,
.vision-card .eyebrow,
.behavior-heading .eyebrow,
.responsibility-panel .eyebrow,
.speak-up-panel .eyebrow {
  margin-bottom: var(--space-3);
}

.section-heading > p:last-child {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

/* Home */
.home-hero {
  position: relative;
  isolation: isolate;
  display: block;
  min-height: calc(100vh - var(--header-height));
  overflow: hidden;
  padding: 0;
  background-image: linear-gradient(90deg, rgb(0 25 96 / 96%) 0%, rgb(0 25 96 / 82%) 48%, rgb(0 25 96 / 34%) 100%), linear-gradient(0deg, rgb(0 25 96 / 42%), transparent 55%), url("hero-teamwork-flipped.jpg");
  background-position: center;
  background-size: cover;
  color: var(--brand-white);
}

.home-hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(120deg, transparent 55%, rgb(255 59 92 / 15%) 100%);
  content: "";
}

.home-hero__copy {
  display: flex;
  width: min(calc(100% - (2 * var(--page-gutter))), var(--content-max));
  min-height: calc(100vh - var(--header-height));
  flex-direction: column;
  justify-content: center;
  margin-inline: auto;
  padding-block: clamp(4rem, 9vw, 8rem);
}

.home-hero h1 {
  margin-bottom: var(--space-6);
  color: var(--brand-white);
  font-size: clamp(3.1rem, 6.6vw, 6.6rem);
  line-height: 1.02;
}

.home-hero h1 span {
  color: var(--brand-lime);
  white-space: nowrap;
}

.home-intro {
  margin-bottom: var(--space-6);
  color: var(--brand-white);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
}

.home-hero .button {
  align-self: flex-start;
  min-height: 42px;
  padding: 0.6rem 1rem;
  font-size: var(--text-sm);
}

.button .icon,
.text-link .icon,
.pager-link .icon {
  width: 1.15rem;
  height: 1.15rem;
}

/* Home is intentionally navigation-free; its chapter cards are the entry point. */
.home-view .site-shell { display: block; }
.home-view main { grid-column: auto; }
.home-view .chapter-sidebar,
.home-view .nav-backdrop,
.home-view .menu-button { display: none; }
.home-view .site-header { grid-template-columns: auto 1fr auto; }
.home-view .site-brand {
  border-right: 0;
  background: var(--brand-white);
}
.home-view .site-logo--original { display: block; }
.home-view .site-logo--inverse { display: none; }

.purpose-strip {
  display: grid;
  width: min(calc(100% - (2 * var(--page-gutter))), 70rem);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  margin: clamp(2.5rem, 6vw, 5rem) auto 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(rgb(0 25 96 / 25%), rgb(0 25 96 / 25%)), var(--brand-neon-red);
  color: var(--brand-white);
}

.purpose-strip div {
  display: flex;
  min-height: 8rem;
  flex-direction: column;
  justify-content: center;
  padding: 2rem clamp(1rem, 3vw, 3rem);
  border-right: 1px solid rgb(255 255 255 / 28%);
}

.purpose-strip strong {
  font-size: var(--text-xl);
}

.purpose-strip span {
  font-size: var(--text-sm);
}

.home-chapters {
  width: min(100% - (2 * var(--page-gutter)), var(--content-max));
  margin-inline: auto;
}

.home-chapters .section-heading { max-width: none; }

.home-chapters .section-heading h2 {
  font-size: clamp(2.25rem, 4.8vw, 4.5rem);
  white-space: nowrap;
}

.chapter-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-surface-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface-strong);
}

.chapter-card {
  position: relative;
  min-height: 20rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--brand-white);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--motion-base) ease, color var(--motion-base) ease;
}

.chapter-card h3 {
  max-width: 12ch;
  margin: 2.5rem 0 1rem;
  font-size: clamp(1.6rem, 3vw, 2.7rem);
}

@media (min-width: 40.01rem) {
  .chapter-card[href="#/mechanism"] h3 {
    max-width: none;
    white-space: nowrap;
  }
}

.chapter-card p {
  max-width: calc(100% - 5rem);
  color: var(--color-text-muted);
}

.chapter-card__number {
  color: var(--brand-tech-blue);
  font-weight: var(--font-weight-bold);
}

.chapter-card__arrow {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  display: grid;
  width: 3rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--brand-electric-blue);
}

.chapter-card:hover {
  background: var(--brand-electric-blue);
  color: var(--brand-white);
}

.chapter-card:hover h3,
.chapter-card:hover p {
  color: var(--brand-white);
}

.chapter-card:hover .chapter-card__number { color: var(--brand-lime); }
.chapter-card:hover .chapter-card__arrow { background: var(--brand-lime); }

/* Message */
.message-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: clamp(2rem, 6vw, 6rem);
}

.portrait-card {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-soft);
}

.prose {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
}

.prose p {
  max-width: 65ch;
  margin-bottom: 1.4em;
}

.salutation {
  color: var(--brand-electric-blue);
  font-weight: var(--font-weight-semibold);
}

.signature {
  display: flex;
  flex-direction: column;
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 2px solid var(--brand-neon-red);
}

.signature strong {
  color: var(--brand-electric-blue);
  font-size: var(--text-xl);
}

.signature span {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* Foundation */
.foundation-manifesto {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  background: var(--brand-electric-blue) url("skyline-option-01.png") center / cover no-repeat;
}

.manifesto-panel {
  display: grid;
  min-height: 27rem;
  grid-template-columns: 0.25fr 1.1fr 0.65fr;
  align-items: end;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(2rem, 5vw, 5rem);
}

.manifesto-index {
  align-self: start;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.14em;
}

.manifesto-panel--mission {
  background: linear-gradient(90deg, rgb(0 25 96 / 94%) 0%, rgb(0 25 96 / 82%) 42%, rgb(0 25 96 / 68%) 76%, rgb(0 25 96 / 62%) 100%);
  color: var(--brand-white);
}

.manifesto-panel--mission .manifesto-index,
.manifesto-panel--mission .eyebrow {
  color: var(--brand-lime);
}

.manifesto-panel--mission h2 {
  display: flex;
  flex-direction: column;
  margin: 0;
  color: var(--brand-white);
  font-size: clamp(2rem, 4vw, 4.25rem);
  letter-spacing: -0.04em;
  line-height: 1.02;
  text-shadow: 0 2px 18px rgb(0 10 50 / 48%);
}

.manifesto-panel--mission h2 span { white-space: nowrap; }

.manifesto-panel--mission > p {
  color: rgb(255 255 255 / 82%);
}

.manifesto-panel--mission > p,
.manifesto-panel--vision > p {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--brand-white);
  backdrop-filter: none;
}

.manifesto-panel--vision {
  min-height: 24rem;
  align-items: center;
  background: linear-gradient(110deg, rgb(129 12 50 / 82%) 0%, rgb(0 25 96 / 68%) 56%, rgb(0 25 96 / 58%) 100%);
  color: var(--brand-white);
}

.manifesto-panel--vision .manifesto-index {
  align-self: start;
  color: rgb(255 255 255 / 82%);
}

.manifesto-panel--vision h2 {
  display: flex;
  flex-direction: column;
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  letter-spacing: -0.065em;
  line-height: 0.94;
  text-transform: uppercase;
  text-shadow: 0 2px 18px rgb(0 10 50 / 52%);
}

.manifesto-panel--vision h2 span {
  color: var(--brand-white);
  white-space: nowrap;
}

.manifesto-panel--vision > p {
  color: rgb(255 255 255 / 82%);
}

.vision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.vision-card {
  position: relative;
  min-height: 28rem;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.vision-card > span {
  position: absolute;
  top: 2rem;
  right: 2rem;
  color: var(--brand-tech-blue);
  font-weight: var(--font-weight-bold);
}

.vision-card h2 {
  margin: 5rem 0 2rem;
  font-size: clamp(2rem, 4vw, 4rem);
}

.vision-card p:last-child {
  color: var(--color-text-muted);
}

.vision-card--accent {
  background: var(--brand-electric-blue);
}

.vision-card--accent h2,
.vision-card--accent p:last-child {
  color: var(--brand-white);
}

.vision-card--accent .eyebrow,
.vision-card--accent > span {
  color: var(--brand-lime);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.value-card,
.behavior-link-card {
  display: flex;
  min-height: 21rem;
  flex-direction: column;
  padding: 1.5rem;
  border: 1px solid var(--color-surface-strong);
  border-radius: var(--radius-md);
  background: var(--brand-white);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--motion-base) ease, box-shadow var(--motion-base) ease, translate var(--motion-base) ease;
}

.value-card:hover,
.behavior-link-card:hover {
  border-color: var(--brand-tech-blue);
  box-shadow: var(--shadow-soft);
  color: var(--color-text);
  translate: 0 -0.35rem;
}

.value-card__icon,
.behavior-link-card__icon {
  display: grid;
  width: 3rem;
  aspect-ratio: 1;
  place-items: center;
  margin-bottom: auto;
  border-radius: var(--radius-sm);
  background: var(--brand-electric-blue);
  color: var(--brand-lime);
}

.value-card__icon {
  width: 4rem;
  place-items: start;
  border-radius: 0;
  background: transparent;
  color: var(--brand-neon-red);
}

.value-card__icon .icon {
  width: 3.25rem;
  height: 3.25rem;
  stroke-width: 1.6;
}

.value-card h3,
.behavior-link-card h3 {
  margin-top: 2rem;
}

.value-card p,
.behavior-link-card p {
  color: var(--brand-black);
  font-size: var(--text-sm);
}

.value-card .text-link {
  color: var(--brand-tech-blue);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  transition: color var(--motion-fast) ease;
}

.value-card .text-link .icon {
  transition: background-color var(--motion-fast) ease, color var(--motion-fast) ease;
}

.value-card:hover .text-link { color: var(--color-danger); }

.value-card:hover .text-link .icon {
  padding: 0.15rem;
  border-radius: 50%;
  background: var(--brand-lime);
  color: var(--brand-electric-blue);
}

.text-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
  color: var(--color-action);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
}

/* Conduct */
.behavior-link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.behavior-link-card {
  position: relative;
}

.behavior-link-card__index {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--brand-tech-blue);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
}

.conduct-core {
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
}

.conduct-workplace {
  padding-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--color-surface-strong);
}

.conduct-workplace__card {
  position: relative;
  display: grid;
  min-height: 24rem;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--space-6);
  overflow: hidden;
  padding: clamp(2rem, 5vw, 4.5rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(rgb(0 25 96 / 25%), rgb(0 25 96 / 25%)), var(--brand-neon-red);
  color: var(--brand-white);
  text-decoration: none;
  transition: box-shadow var(--motion-base) ease, translate var(--motion-base) ease;
}

.conduct-workplace__card::after {
  position: absolute;
  width: 22rem;
  aspect-ratio: 1;
  right: -8rem;
  bottom: -10rem;
  border: 1px solid rgb(0 25 96 / 20%);
  border-radius: 50%;
  box-shadow: 0 0 0 3rem rgb(0 25 96 / 5%), 0 0 0 7rem rgb(0 25 96 / 4%);
  content: "";
  pointer-events: none;
}

.conduct-workplace__card:hover {
  box-shadow: var(--shadow-soft);
  color: var(--brand-white);
  translate: 0 -0.25rem;
}

.conduct-workplace__card .eyebrow {
  color: var(--brand-white);
}

.conduct-workplace__card h2 {
  max-width: 13ch;
  margin: 0 0 var(--space-4);
  color: var(--brand-white);
  font-size: clamp(2.4rem, 6vw, 5.5rem);
}

.conduct-workplace__card p:last-child {
  max-width: 58ch;
}

.conduct-workplace__icon {
  position: absolute;
  top: clamp(2rem, 5vw, 4.5rem);
  right: clamp(2rem, 5vw, 4.5rem);
  display: grid;
  width: 4rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--brand-electric-blue);
  color: var(--brand-lime);
}

.conduct-workplace__icon .icon {
  width: 2rem;
  height: 2rem;
}

.conduct-workplace__card > strong {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  font-size: var(--text-lg);
}

.conduct-workplace__card > strong .icon {
  width: 1.2rem;
  height: 1.2rem;
}

.behavior-page {
  display: grid;
  gap: clamp(4rem, 8vw, 7rem);
}

.behavior-heading {
  display: grid;
  grid-template-columns: minmax(6rem, 0.25fr) 1fr;
  align-items: start;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-surface-strong);
}

.behavior-heading > span {
  width: fit-content;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-pill);
  background: #dff8c5;
  color: var(--color-success);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.08em;
}

.behavior-column--dont .behavior-heading > span {
  background: #ffe1e7;
  color: var(--color-danger);
}

.behavior-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.behavior-item {
  position: relative;
  display: grid;
  min-height: 12rem;
  grid-template-columns: 2.25rem 1fr;
  gap: var(--space-4);
  overflow: hidden;
  padding: 1.5rem;
  border: 1px solid var(--color-surface-strong);
  border-radius: var(--radius-md);
  background: var(--brand-white);
  transition: border-color var(--motion-fast) ease, translate var(--motion-fast) ease;
}

.behavior-item:hover {
  border-color: var(--brand-tech-blue);
  translate: 0 -0.2rem;
}

.behavior-item__number {
  color: var(--brand-tech-blue);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
}

.behavior-item h3 {
  margin-bottom: var(--space-3);
  font-size: var(--text-lg);
}

.behavior-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.behavior-item__mark {
  position: absolute;
  right: -0.1rem;
  bottom: -1.8rem;
  color: rgb(40 95 0 / 8%);
  font-size: 7rem;
  font-weight: var(--font-weight-light);
  line-height: 1;
}

.behavior-column--dont .behavior-item__mark {
  color: rgb(183 25 59 / 8%);
}

/* Compact do / don't comparison */
.behavior-view .page-hero {
  min-height: clamp(14rem, 30vh, 19rem);
  padding-block: clamp(2.5rem, 5vh, 4rem);
}

.behavior-view .page-hero h1 {
  margin-bottom: var(--space-4);
  font-size: clamp(2.6rem, 5vw, 4.75rem);
}

.behavior-view .page-lead {
  max-width: 72ch;
  font-size: var(--text-base);
}

.behavior-view .hero-symbol {
  width: clamp(5.5rem, 9vw, 7rem);
  border-radius: 1.5rem;
}

.behavior-compact {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2.5rem);
  overflow: visible;
  padding-block: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: var(--radius-lg);
}

.compact-behavior-column {
  padding: 0;
  border: 0;
  background: transparent;
}

.compact-behavior-column--do {
  border-radius: 0;
  background: transparent;
}

.compact-behavior-column--dont {
  border-radius: 0;
  background: transparent;
}

.compact-behavior-column > header {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-surface-strong);
}

.compact-behavior-column > header > span {
  display: grid;
  width: 2.75rem;
  place-items: center;
  border-radius: 0;
  background: transparent;
  color: var(--color-success);
  font-size: 2.75rem;
  font-weight: var(--font-weight-bold);
  line-height: 0.8;
}

.compact-behavior-column--dont > header > span {
  background: transparent;
  color: var(--color-danger);
}

.compact-behavior-column > header h2 {
  margin: 0;
  color: var(--color-success);
  font-size: clamp(1.8rem, 3vw, 2.15rem);
  line-height: 1;
}

.compact-behavior-column--dont > header h2 {
  color: var(--color-danger);
}

.compact-behavior-list {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compact-behavior-list li {
  display: grid;
  min-height: 0;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  gap: var(--space-2);
  padding: 0.78rem 0.8rem;
  border-radius: var(--radius-sm);
  background: #f2f9e9;
}

.compact-behavior-column--dont .compact-behavior-list li { background: #fff0f3; }

.compact-behavior-list li > span {
  padding-top: 0;
  color: var(--brand-tech-blue);
  font-size: 0.65rem;
  font-weight: var(--font-weight-bold);
}

.compact-behavior-list h3 {
  margin: 0 0 0.1rem;
  font-size: 0.84rem;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.compact-behavior-list p {
  margin: 0;
  color: var(--brand-black);
  font-size: 0.72rem;
  line-height: 1.35;
}

/* Mechanism */
.responsibility-panel {
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.responsibility-panel h2 {
  font-size: clamp(2.4rem, 5vw, 4.25rem);
  line-height: 1.04;
}

.mechanism-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-7);
}

.mechanism-steps article {
  padding-top: var(--space-5);
  border-top: 2px solid var(--brand-tech-blue);
}

.mechanism-steps span,
.action-stack > article > span {
  color: var(--brand-tech-blue);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
}

.mechanism-steps h3 {
  margin-top: var(--space-5);
}

.mechanism-steps p {
  color: var(--brand-black);
  font-size: var(--text-sm);
}

.speak-up-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 7rem);
  margin-top: var(--space-7);
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: var(--radius-lg);
  background: var(--brand-electric-blue);
  color: var(--brand-white);
}

.speak-up-panel h2,
.speak-up-panel h3 {
  color: var(--brand-white);
}

.speak-up-panel > div:first-child > p:last-child,
.action-stack p {
  color: var(--brand-white);
}

.speak-up-panel .eyebrow {
  color: var(--brand-lime);
}

.action-stack {
  display: grid;
  gap: var(--space-4);
}

.action-stack article {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  padding: 1.5rem;
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 7%);
  backdrop-filter: blur(12px);
}

.action-stack > article > span {
  color: var(--brand-lime);
}

.action-stack .button {
  margin-top: var(--space-3);
  background: var(--brand-lime);
  color: var(--brand-electric-blue);
}

/* Previous / next */
.page-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-surface-strong);
}

.pager-link {
  display: flex;
  min-height: 5.75rem;
  align-items: center;
  gap: var(--space-4);
  padding: 1.15rem var(--page-gutter);
  color: var(--brand-electric-blue);
  text-decoration: none;
  transition: background-color var(--motion-base) ease, color var(--motion-base) ease;
}

.pager-link + .pager-link {
  border-left: 1px solid var(--color-surface-strong);
}

.pager-link--next {
  justify-content: flex-end;
  text-align: right;
}

.pager-link span {
  display: flex;
  flex-direction: column;
}

.pager-link small {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
}

.pager-link strong {
  font-size: var(--text-base);
}

.pager-link:hover {
  background: var(--brand-electric-blue);
  color: var(--brand-white);
}

.pager-link:hover small { color: rgb(255 255 255 / 70%); }

.noscript-message {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  max-width: none;
  place-items: center;
  margin: 0;
  background: var(--brand-white);
}

@media (max-width: 70rem) {
  :root { --sidebar-width: 16.5rem; }
  .value-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 56rem) {
  .site-header {
    grid-template-columns: 1fr auto auto;
    column-gap: 0.5rem;
    padding-right: var(--space-4);
  }

  .site-brand {
    width: fit-content;
    border-right: 0;
    padding-inline: var(--space-4);
    background: var(--brand-white);
  }

  .site-logo--original { display: block; }
  .site-logo--inverse { display: none; }

  .header-meta { display: none; }
  .pdf-download {
    width: 44px;
    margin-right: 0;
    padding: 0;
    justify-content: center;
  }
  .pdf-download span { display: none; }
  .menu-button { display: grid; }
  .site-shell { display: block; }
  main { grid-column: auto; }

  .chapter-sidebar {
    z-index: 120;
    top: 0;
    width: min(88vw, 22rem);
    translate: -105% 0;
    box-shadow: 1rem 0 3rem rgb(0 25 96 / 25%);
    transition: translate var(--motion-base) ease;
  }

  .sidebar-head { padding-top: 1.5rem; }
  .sidebar-close { display: grid; }

  .nav-backdrop {
    position: fixed;
    z-index: 110;
    inset: 0;
    display: block;
    visibility: hidden;
    background: rgb(0 0 0 / 48%);
    opacity: 0;
    transition: opacity var(--motion-base) ease, visibility var(--motion-base) ease;
  }

  .menu-open { overflow: hidden; }
  .menu-open .chapter-sidebar { translate: 0; }
  .menu-open .nav-backdrop { visibility: visible; opacity: 1; }

  .home-hero {
    min-height: calc(100vh - var(--header-height));
    background-image: linear-gradient(90deg, rgb(0 25 96 / 95%), rgb(0 25 96 / 72%)), url("hero-teamwork-flipped.jpg");
    background-position: 82% center;
  }

  .home-hero h1 { font-size: clamp(2.8rem, 10vw, 5rem); }
  .hero-symbol { display: none; }
  .message-layout { grid-template-columns: 1fr; }

  .portrait-card {
    position: relative;
    top: auto;
    width: min(100%, 28rem);
  }

  .behavior-link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .speak-up-panel { grid-template-columns: 1fr; }
  .foundation-manifesto { background-position: 100% center; }
  .manifesto-panel { grid-template-columns: 1fr; align-items: start; }
  .manifesto-panel--mission { background: linear-gradient(180deg, rgb(0 25 96 / 58%), rgb(0 25 96 / 90%)); }
  .manifesto-panel--vision { background: linear-gradient(180deg, rgb(129 12 50 / 60%), rgb(0 25 96 / 88%)); }
  .manifesto-panel--vision h2 {
    font-size: clamp(2.5rem, 10vw, 4.5rem);
    line-height: 0.98;
  }
  .manifesto-panel--vision h2 span { white-space: nowrap; }
  .manifesto-panel--vision { min-height: 27rem; }
  .behavior-compact { grid-template-columns: 1fr; gap: 2rem; }
  .compact-behavior-column--do,
  .compact-behavior-column--dont { border: 0; border-radius: 0; }
}

@media (max-width: 40rem) {
  .page-hero { min-height: 23rem; padding-block: 3.75rem; }
  .page-hero h1 {
    font-size: clamp(2.5rem, 13vw, 4.25rem);
    line-height: 1.1;
  }
  .home-hero h1 { line-height: 1.02; }
  .home-hero h1 { font-size: clamp(2.2rem, 9.5vw, 3.6rem); }

  .home-chapters .section-heading h2 {
    font-size: clamp(2.15rem, 11vw, 3.6rem);
    white-space: normal;
  }

  .purpose-strip,
  .chapter-card-grid,
  .vision-grid,
  .value-grid,
  .behavior-link-grid,
  .behavior-list,
  .mechanism-steps,
  .page-pager {
    grid-template-columns: 1fr;
  }

  .purpose-strip div {
    min-height: 7rem;
    border-right: 0;
    border-bottom: 1px solid rgb(255 255 255 / 28%);
  }

  .purpose-strip {
    width: min(calc(100% - 2rem), 28rem);
    margin-top: 2rem;
  }

  .chapter-card {
    min-height: 15rem;
    padding-bottom: 5rem;
  }
  .chapter-card p { max-width: 100%; }
  .chapter-card__arrow {
    right: 1.25rem;
    bottom: 1.25rem;
    width: 2.75rem;
  }
  .value-card {
    min-height: 0;
    padding: 1.25rem;
  }
  .value-card__icon { margin-bottom: 1.25rem; }
  .value-card h3 { margin-top: 0; }
  .value-card p { margin-bottom: 1rem; }
  .value-card .text-link {
    align-self: flex-start;
    margin-top: 0.5rem;
    padding: 0.55rem 0.85rem;
    border-radius: var(--radius-pill);
    background: var(--brand-lime);
    color: var(--brand-electric-blue);
    font-size: var(--text-base);
  }
  .value-card:hover .text-link { color: var(--brand-electric-blue); }
  .responsibility-panel h2 {
    max-width: none;
    font-size: clamp(1.5rem, 7.4vw, 2rem);
    letter-spacing: -0.04em;
    line-height: 1.08;
    white-space: nowrap;
  }
  .vision-card { min-height: 23rem; }
  .behavior-heading { grid-template-columns: 1fr; gap: var(--space-5); }
  .behavior-item { min-height: 11rem; }
  .pager-link + .pager-link { border-top: 1px solid var(--color-surface-strong); border-left: 0; }
  .conduct-workplace__card { grid-template-columns: 1fr; }
  .conduct-workplace__card > strong { justify-self: start; }
  .conduct-workplace__icon { position: relative; top: auto; right: auto; grid-row: 1; }
}