/* Primex company profile — Forge Slate palette (LimeIQ-inspired restraint) */

:root {
  --font-ui: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-brand: "Manrope", var(--font-ui);
  --font-numeric: "JetBrains Mono", monospace;

  /* Canonical hub — all brand tokens derive from hue 255 */
  --color-brand-primary: oklch(0.38 0.04 255);
  --color-brand-secondary: oklch(0.30 0.035 255);
  --color-brand-subtle: oklch(0.94 0.008 255);
  --color-brand-hover: oklch(0.32 0.04 255);
  --color-on-brand: oklch(0.94 0.008 255);

  /* Cool paper surfaces (tinted, not pure white) */
  --color-surface-base: oklch(0.965 0.004 255);
  --color-surface-raised: oklch(0.988 0.003 255);
  --color-surface-overlay: oklch(0.955 0.005 255);

  --color-text-primary: oklch(0.28 0.015 255);
  --color-text-secondary: oklch(0.48 0.02 255);
  --color-text-disabled: oklch(0.72 0.012 255);

  --color-border-default: color-mix(in oklch, var(--color-text-primary) 18%, transparent);
  --color-success: rgb(52 199 89);
  --color-danger: rgb(255 56 60);

  /* Illustration (SVG cannot use var) — matches tokens above */
  --illus-ink: #3a3f47;
  --illus-ink-soft: #7a8089;
  --illus-fill: #eef0f3;
  --illus-accent: #4f5d6e;
  --illus-accent-fill: #e4e8ed;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --space-6: 3rem;
  --space-8: 4rem;

  /* One page shell — header, hero, sections, rails, contact share this */
  --layout-gutter: clamp(1rem, 3.5vw, 2rem);
  --page-max: 80rem;
  --page-edge: max(var(--layout-gutter), calc((100% - var(--page-max)) / 2));
  --page-width: min(100% - 2 * var(--layout-gutter), var(--page-max));

  --radius-xs: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 40px;

  --hairline: 0.5px solid color-mix(in oklch, var(--color-text-primary) 13%, transparent);
  --surface-top-light: inset 0 1px 0 color-mix(in oklch, oklch(0.995 0.002 255) 78%, transparent);

  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

  --text-xs: 0.6875rem;
  --text-sm: 0.75rem;
  --text-md: 0.8125rem;
  --text-lg: 0.875rem;
  --text-xl: 0.9375rem;
  --text-display: clamp(2.75rem, 7vw + 0.5rem, 5.25rem);
  --text-section: clamp(2rem, 3.4vw + 0.75rem, 3.25rem);

  --measure: 52ch;
  --measure-display: 18ch;
  --header-h: 56px;
}

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

html {
  scroll-behavior: smooth;
}

html.lenis,
html.lenis body {
  height: auto;
}

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

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.55;
  font-kerning: normal;
  color: var(--color-text-primary);
  text-rendering: optimizeLegibility;
  background: var(--color-surface-base);
  min-height: 100vh;
}

body.nav-open {
  overflow: hidden;
}

/* Quiet editorial — column rails (desktop) */
.page-rails {
  display: none;
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1;
}

.page-rails-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 0.5px;
  background: color-mix(in oklch, var(--color-text-primary) 9%, transparent);
}

/* Align to shared page shell edges */
.page-rails-line--left {
  left: var(--page-edge);
}

.page-rails-line--right {
  right: var(--page-edge);
}

body.is-on-dark .page-rails-line {
  background: color-mix(in oklch, var(--color-on-brand) 16%, transparent);
}

@media (min-width: 1100px) {
  .page-rails {
    display: block;
  }
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -3rem;
  z-index: 100;
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-raised);
  border: var(--hairline);
  border-radius: var(--radius-md);
  font-size: var(--text-md);
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-2);
}

.mono {
  font-family: var(--font-numeric);
  font-variant-numeric: tabular-nums;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.brand:hover {
  color: inherit;
}

.brand-mark {
  display: block;
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-primex {
  font-family: var(--font-brand);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
}

/* Header — no divider */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--header-h);
  padding: 0 var(--page-edge);
  border: 0;
  box-shadow: none;
  background: transparent;
  transition: color 0.3s var(--ease-out-quart);
}

.site-header .brand-mark {
  transition: filter 0.3s var(--ease-out-quart);
}

/* Over dark contact strip — light chrome */
.site-header--on-dark {
  color: var(--color-on-brand);
}

.site-header--on-dark .brand-mark {
  filter: brightness(0) invert(1);
}

.site-header--on-dark .site-nav a {
  color: oklch(0.82 0.02 255);
}

.site-header--on-dark .site-nav a:hover {
  color: var(--color-on-brand);
}

.site-header--on-dark > .btn.primary {
  color: var(--color-brand-secondary);
  border-color: color-mix(in oklch, var(--color-on-brand) 40%, transparent);
  background: linear-gradient(180deg, var(--color-on-brand), oklch(0.9 0.01 255));
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.55);
}

.site-header--on-dark .nav-toggle {
  border-color: color-mix(in oklch, var(--color-on-brand) 35%, transparent);
  background: color-mix(in oklch, var(--color-brand-secondary) 35%, transparent);
}

.site-header--on-dark .nav-toggle span {
  background: var(--color-on-brand);
}

.site-nav {
  display: none;
  margin-left: auto;
  gap: var(--space-3);
  align-items: center;
}

.site-nav a {
  position: relative;
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding-bottom: 2px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 0.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s var(--ease-out-expo);
}

.site-nav a:hover {
  color: var(--color-text-primary);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.site-header > .btn {
  display: none;
  margin-left: 0;
}

.nav-toggle {
  margin-left: auto;
  width: 40px;
  height: 40px;
  border: var(--hairline);
  border-radius: var(--radius-md);
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 14px;
  height: 1.5px;
  background: var(--color-text-primary);
  transition: transform 0.24s var(--ease-out-quart);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0;
  z-index: 35;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--page-edge);
  background: color-mix(in oklch, var(--color-surface-raised) 94%, transparent);
  backdrop-filter: blur(16px);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a:not(.btn) {
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
  padding: 0.35rem 0;
}

.mobile-nav .btn {
  margin-top: var(--space-2);
  width: fit-content;
}

@media (min-width: 900px) {
  .site-nav {
    display: flex;
  }

  .site-header > .btn {
    display: inline-flex;
  }

  .nav-toggle,
  .mobile-nav {
    display: none !important;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-md);
  border: 0.5px solid transparent;
  font-family: var(--font-ui);
  font-size: var(--text-md);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.2s var(--ease-out-quart),
    background 0.2s var(--ease-out-quart),
    border-color 0.2s var(--ease-out-quart);
}

.btn.sm {
  min-height: 32px;
  padding: 0 0.75rem;
  font-size: var(--text-sm);
}

.btn.lg {
  min-height: 48px;
  padding: 0 var(--space-3);
}

.btn.primary {
  color: var(--color-on-brand);
  border-color: color-mix(in oklch, var(--color-brand-primary) 50%, transparent);
  background: var(--color-brand-primary);
  box-shadow: var(--surface-top-light);
}

.btn.primary:hover:not(:active) {
  background: var(--color-brand-hover);
  transform: translateY(-2px);
}

.btn.primary:active {
  transform: translateY(0);
}

.btn.ghost {
  background: transparent;
  border-color: color-mix(in oklch, var(--color-text-primary) 14%, transparent);
}

.btn.ghost:hover:not(:active) {
  background: color-mix(in oklch, var(--color-surface-raised) 70%, transparent);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-md);
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: gap 0.35s var(--ease-out-expo);
}

.text-link:hover {
  gap: 0.7rem;
  color: var(--color-brand-primary);
}

/* Chapter progress — CWM-style coordinate chrome, Primex calm */
.chapter-progress {
  display: none;
}

@media (min-width: 1100px) {
  .chapter-progress:not([hidden]) {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    position: fixed;
    top: 50%;
    right: clamp(0.75rem, 2vw, 1.5rem);
    z-index: 30;
    transform: translateY(-50%);
    padding: var(--space-2) 0;
    pointer-events: none;
  }

  .chapter-progress-readout {
    margin: 0;
    pointer-events: none;
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    letter-spacing: 0.04em;
  }

  .chapter-progress-sep {
    margin: 0 0.15rem;
    opacity: 0.5;
  }

  .chapter-progress-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.35rem;
    pointer-events: auto;
  }

  .chapter-progress-list a {
    position: relative;
    display: grid;
    grid-template-columns: 1.5rem auto;
    align-items: center;
    gap: 0.45rem;
    text-decoration: none;
    color: var(--color-text-disabled);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.02em;
    transition:
      color 0.35s var(--ease-out-expo),
      transform 0.35s var(--ease-out-expo);
  }

  .chapter-progress-list a::before {
    content: "";
    position: absolute;
    left: -0.5rem;
    top: 50%;
    width: 0.5px;
    height: 0;
    background: var(--color-brand-primary);
    transform: translateY(-50%);
    opacity: 0;
    transition:
      height 0.35s var(--ease-out-expo),
      opacity 0.35s var(--ease-out-expo);
  }

  .chapter-progress-list a .mono {
    font-size: var(--text-xs);
  }

  .chapter-progress-name {
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    opacity: 0;
    transition:
      max-width 0.4s var(--ease-out-expo),
      opacity 0.35s var(--ease-out-expo);
  }

  .chapter-progress-list a:hover,
  .chapter-progress-list a:focus-visible,
  .chapter-progress-list a.is-active {
    color: var(--color-text-primary);
    transform: translateX(-2px);
  }

  .chapter-progress-list a:hover .chapter-progress-name,
  .chapter-progress-list a:focus-visible .chapter-progress-name,
  .chapter-progress-list a.is-active .chapter-progress-name {
    max-width: 7rem;
    opacity: 1;
  }

  .chapter-progress-list a.is-active .mono {
    color: var(--color-brand-primary);
  }

  .chapter-progress-list a.is-active::before {
    height: 0.85rem;
    opacity: 1;
  }
}

body.is-on-dark .chapter-progress-readout {
  color: oklch(0.82 0.02 255);
}

body.is-on-dark .chapter-progress-list a {
  color: oklch(0.72 0.02 255);
}

body.is-on-dark .chapter-progress-list a:hover,
body.is-on-dark .chapter-progress-list a:focus-visible,
body.is-on-dark .chapter-progress-list a.is-active {
  color: var(--color-on-brand);
}

body.is-on-dark .chapter-progress-list a.is-active .mono {
  color: oklch(0.76 0.03 255);
}

body.is-on-dark .chapter-progress-list a::before {
  background: oklch(0.76 0.03 255);
}

/* Hero */
.hero {
  position: relative;
  isolation: isolate;
  z-index: 2;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  margin-top: calc(var(--header-h) * -1);
  padding:
    calc(var(--header-h) + clamp(3rem, 8vh, 5rem))
    var(--page-edge)
    var(--space-5);
  overflow: visible;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 65% 50% at 80% 10%, color-mix(in oklch, var(--color-brand-subtle) 80%, transparent), transparent 58%),
    radial-gradient(ellipse 45% 35% at 5% 75%, color-mix(in oklch, var(--color-brand-subtle) 55%, transparent), transparent 55%),
    linear-gradient(180deg, oklch(0.958 0.005 255), var(--color-surface-base) 55%);
}

.hero-grid {
  display: grid;
  gap: var(--space-6);
  width: 100%;
  max-width: var(--page-max);
  margin-inline: 0;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 0 0 var(--space-3);
}

.meta-tag {
  font-family: var(--font-numeric);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--color-text-secondary);
}

.hero-brand {
  margin: 0 0 var(--space-3);
}

.hero-brand .brand-primex {
  font-size: clamp(1.5rem, 2vw + 0.75rem, 2rem);
  letter-spacing: -0.025em;
}

.display-title {
  margin: 0;
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
  max-width: min(20ch, 100%);
}

.display-title .line {
  display: block;
  opacity: 0;
  transform: translateY(1.1rem);
  transition:
    opacity 0.9s var(--ease-out-expo),
    transform 0.9s var(--ease-out-expo);
}

.display-title .line:nth-child(2) {
  transition-delay: 0.12s;
}

.display-title.is-visible .line {
  opacity: 1;
  transform: none;
}

.hero-lead {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.hero-aside {
  display: grid;
  gap: var(--space-4);
  align-content: end;
}

.hero-visual {
  margin: 0;
  width: 100%;
}

.hero-visual-inner {
  will-change: transform;
  transform: translate3d(0, 0, 0);
}

.hero-visual svg {
  width: 100%;
  height: auto;
  display: block;
}

.hero-visual[data-reveal] {
  opacity: 1;
  transform: none;
  filter: none;
}

.hero-meta {
  align-self: end;
}

.hero-meta .meta-label {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.hero-meta dl {
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.hero-meta dl > div {
  display: grid;
  gap: 0.15rem;
}

.hero-meta dt {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.hero-meta dd {
  margin: 0;
  font-size: var(--text-md);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text-secondary);
}

.scroll-hint {
  display: none;
  width: 100%;
  max-width: var(--page-max);
  margin: var(--space-6) 0 0;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-numeric);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.scroll-hint-line {
  display: block;
  width: 4rem;
  height: 1px;
  background: color-mix(in oklch, var(--color-text-primary) 28%, transparent);
  transform-origin: left;
  animation: hint-pulse 2.2s var(--ease-out-expo) infinite;
}

@keyframes hint-pulse {
  0%,
  100% {
    transform: scaleX(0.45);
    opacity: 0.45;
  }
  50% {
    transform: scaleX(1);
    opacity: 1;
  }
}

@media (max-width: 899px) {
  .hero-aside {
    margin-top: var(--space-4);
  }

  .hero-visual {
    max-width: 28rem;
  }
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    column-gap: clamp(var(--space-4), 4vw, var(--space-8));
  }

  .hero-aside {
    border-left: var(--hairline);
    padding-left: clamp(var(--space-3), 2.5vw, var(--space-5));
  }

  .hero-meta {
    padding-bottom: 0.35rem;
  }

  .hero-meta dl {
    grid-template-columns: 1fr 1fr;
    column-gap: var(--space-3);
  }

  .scroll-hint {
    display: flex;
  }
}

/* Sections / 12-col thinking */
.section {
  position: relative;
  z-index: 2;
  padding: clamp(4.5rem, 12vw, 8rem) 0;
}

.section-rule {
  position: absolute;
  top: 0;
  left: var(--page-edge);
  width: var(--page-width);
  height: 0.5px;
  background: color-mix(in oklch, var(--color-text-primary) 16%, transparent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.8s var(--ease-out-expo);
  pointer-events: none;
}

.section.is-ruled > .section-rule {
  transform: scaleX(1);
}

.vision > .section-rule {
  background: color-mix(in oklch, var(--color-text-primary) 22%, transparent);
}

.section-inner {
  width: var(--page-width);
  margin-inline: auto;
  padding-inline: 0;
}

.section-12 {
  display: grid;
  gap: var(--space-4);
}

.col-index {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.chapter-num {
  font-family: var(--font-numeric);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.chapter-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.display-section {
  margin: 0;
  font-size: var(--text-section);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  max-width: var(--measure-display);
}

.display-section--wide {
  max-width: 20ch;
}

.section-lead {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.eyebrow {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* Content after lead — one rhythm */
.col-main > .about-aside,
.col-main > .offer-spec,
.col-main > .industry-rail,
.col-main > .mission-list,
.principles > .principle-rail {
  margin-top: var(--space-5);
}

@media (min-width: 960px) {
  .section-12 {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 1rem;
    align-items: start;
  }

  .col-index {
    grid-column: 1 / span 2;
    flex-direction: column;
    gap: var(--space-1);
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }

  .col-main {
    grid-column: 4 / span 9;
  }

  .contact-grid .col-index {
    grid-column: 1 / span 2;
  }

  .contact-grid .col-span-5:nth-of-type(1),
  .contact-grid .contact-copy {
    grid-column: 4 / span 4;
  }

  .contact-grid .demo-form {
    grid-column: 8 / span 5;
  }
}

.about-aside {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* Vision — committed break (LimeIQ-style register shift) */
.vision {
  --vision-surface: oklch(0.84 0.016 255);
  --vision-surface-deep: oklch(0.80 0.018 255);
  --vision-ink-muted: oklch(0.44 0.024 255);

  position: relative;
  isolation: isolate;
  padding: clamp(5.5rem, 14vw, 9.5rem) 0;
  background:
    radial-gradient(ellipse 70% 55% at 8% 40%, color-mix(in oklch, var(--color-brand-primary) 14%, transparent), transparent 58%),
    radial-gradient(ellipse 55% 45% at 92% 70%, color-mix(in oklch, var(--color-brand-primary) 9%, transparent), transparent 52%),
    linear-gradient(180deg, var(--vision-surface) 0%, var(--vision-surface-deep) 52%, var(--vision-surface) 100%);
  border-block: 1px solid color-mix(in oklch, var(--color-text-primary) 14%, transparent);
  border-top-color: transparent;
  overflow: clip;
}

.vision::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.22;
  background-image:
    linear-gradient(color-mix(in oklch, var(--color-text-primary) 10%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklch, var(--color-text-primary) 10%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, oklch(0 0 0 / 0.45), transparent 88%);
  pointer-events: none;
}

.vision .chapter-num,
.vision .chapter-label,
.vision .eyebrow {
  color: var(--vision-ink-muted);
}

.vision-stack {
  display: grid;
  gap: clamp(4rem, 12vw, 7rem);
}

.vision-scene {
  max-width: 52rem;
}

.vision-word {
  margin: 0 0 var(--space-2);
  font-family: var(--font-brand);
  font-size: clamp(3.5rem, 10vw, 7.5rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.88;
  color: color-mix(in oklch, var(--color-brand-primary) 24%, var(--vision-surface-deep));
  user-select: none;
  pointer-events: none;
}

.display-section--break {
  max-width: min(var(--measure), 100%);
  font-size: clamp(2.15rem, 4.5vw + 0.5rem, 3.5rem);
  letter-spacing: -0.035em;
}

.vision-support {
  max-width: var(--measure);
}

.mission-list {
  list-style: none;
  margin: var(--space-5) 0 0;
  padding: var(--space-4) 0 0 var(--space-4);
  border-left: var(--hairline);
  display: grid;
  gap: var(--space-3);
  max-width: var(--measure);
}

.mission-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2);
  align-items: baseline;
}

.mission-list .mono {
  font-size: var(--text-xs);
  color: var(--vision-ink-muted);
}

.mission-list p {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.45;
  color: var(--color-text-primary);
}

.principles {
  padding-top: clamp(var(--space-5), 6vw, var(--space-8));
  border-top: var(--hairline);
}

.principles-title {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(1.75rem, 2.5vw + 0.75rem, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  max-width: var(--measure-display);
}

.principles-lead {
  max-width: var(--measure);
}

.principle-rail {
  list-style: none;
  margin: var(--space-5) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  max-width: 48rem;
}

.principle-rail li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: var(--hairline);
  transition: transform 0.4s var(--ease-out-expo);
}

.principle-rail li:last-child {
  border-bottom: var(--hairline);
}

.principle-num {
  font-size: var(--text-sm);
  color: var(--vision-ink-muted);
  padding-top: 0.2rem;
}

.principle-rail h4 {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  transition:
    transform 0.4s var(--ease-out-expo),
    color 0.3s var(--ease-out-quart);
}

.principle-rail p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-md);
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.principle-rail li:hover h4 {
  color: var(--color-brand-primary);
  transform: translateX(2px);
}

.principle-rail li:hover .principle-num {
  color: var(--color-brand-primary);
}

@media (min-width: 900px) {
  .principle-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-6);
  }

  .principle-rail li {
    border-top: var(--hairline);
  }

  .principle-rail li:nth-child(1),
  .principle-rail li:nth-child(2) {
    border-top: var(--hairline);
  }

  .principle-rail li:last-child {
    grid-column: 1 / -1;
    max-width: 28rem;
    border-bottom: var(--hairline);
  }
}

/* Offer — vertical spec sheet */
.offer-spec {
  max-width: 48rem;
  padding-left: var(--space-4);
  border-left: 0.5px solid color-mix(in oklch, var(--color-text-primary) 16%, transparent);
}

.offer-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.offer-rail li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: var(--hairline);
  transition: transform 0.4s var(--ease-out-expo);
}

.offer-rail li:first-child {
  border-top: none;
  padding-top: 0;
}

.offer-rail li:last-child {
  padding-bottom: 0;
}

.offer-num {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-top: 0.2rem;
  transition:
    color 0.3s var(--ease-out-quart),
    transform 0.4s var(--ease-out-expo);
}

.offer-rail h3 {
  position: relative;
  display: inline-block;
  margin: 0 0 var(--space-1);
  padding-bottom: 0.12em;
  font-size: clamp(1.15rem, 1vw + 0.9rem, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  transition:
    transform 0.4s var(--ease-out-expo),
    color 0.3s var(--ease-out-quart);
}

.offer-rail h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 0.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s var(--ease-out-expo);
}

.offer-rail li:hover h3 {
  color: var(--color-brand-primary);
  transform: translateX(2px);
}

.offer-rail li:hover h3::after {
  transform: scaleX(1);
}

.offer-rail li:hover .offer-num {
  color: var(--color-brand-primary);
  transform: translateY(-1px);
}

.offer-rail p {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-text-secondary);
  font-size: var(--text-md);
  line-height: 1.55;
}

/* Industries */
.industry-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.industry-rail li {
  padding-top: var(--space-3);
  border-top: var(--hairline);
  transition: transform 0.4s var(--ease-out-expo);
}

.industry-rail h3 {
  margin: 0 0 var(--space-1);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  transition:
    transform 0.4s var(--ease-out-expo),
    color 0.3s var(--ease-out-quart);
}

.industry-rail li:hover h3 {
  color: var(--color-brand-primary);
  transform: translateX(4px);
}

.industry-rail p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

@media (min-width: 720px) {
  .industry-rail {
    grid-template-columns: repeat(2, 1fr);
    column-gap: var(--space-6);
  }
}

@media (min-width: 1100px) {
  .industry-rail {
    grid-template-columns: repeat(4, 1fr);
  }

  .industry-rail li {
    border-top: none;
    padding-top: 0;
  }

  .industry-rail li + li {
    border-left: var(--hairline);
    padding-left: var(--space-3);
  }
}

/* Contact — committed ink block (LimeIQ-style, Forge Slate family) */
.contact {
  --contact-ink: var(--color-on-brand);
  --contact-ink-muted: oklch(0.82 0.02 255);
  --contact-surface: var(--color-brand-secondary);
  --contact-surface-deep: oklch(0.24 0.03 255);
  --contact-line: color-mix(in oklch, var(--contact-ink) 28%, transparent);
  --contact-accent: oklch(0.76 0.03 255);
  --contact-curve: var(--radius-xl); /* DESIGN.md §4.1 — canvas / shell radius */

  position: relative;
  isolation: isolate;
  width: 100%;
  margin-inline: 0;
  margin-top: clamp(var(--space-4), 4vw, var(--space-6));
  padding: clamp(4.5rem, 11vw, 7.5rem) 0 clamp(5rem, 12vw, 8rem);
  color: var(--contact-ink);
  background:
    radial-gradient(ellipse 70% 55% at 12% 0%, oklch(0.34 0.04 255) 0%, transparent 55%),
    radial-gradient(ellipse 50% 45% at 100% 100%, var(--contact-surface-deep) 0%, transparent 50%),
    linear-gradient(165deg, var(--contact-surface) 0%, var(--contact-surface-deep) 100%);
  border-radius: var(--contact-curve) var(--contact-curve) 0 0;
  overflow: clip;
}

html.has-motion-js .contact {
  clip-path: inset(100% 0 0 0 round var(--contact-curve) var(--contact-curve) 0 0);
  transition: clip-path 0.9s var(--ease-out-expo);
}

html.has-motion-js .contact.is-entered {
  clip-path: inset(0 round var(--contact-curve) var(--contact-curve) 0 0);
}

html.has-motion-js .contact .section-inner {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s var(--ease-out-expo) 0.18s,
    transform 0.8s var(--ease-out-expo) 0.18s;
}

html.has-motion-js .contact.is-entered .section-inner {
  opacity: 1;
  transform: none;
}

.contact > .section-inner {
  width: var(--page-width);
  margin-inline: auto;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  background-image:
    linear-gradient(var(--contact-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, oklch(0 0 0 / 0.55), transparent 85%);
  pointer-events: none;
}

.contact .chapter-num,
.contact .chapter-label,
.contact .section-lead,
.contact .contact-label,
.contact .optional {
  color: var(--contact-ink-muted);
}

.contact .meta-tag.contact-kicker {
  display: inline-block;
  margin: 0 0 var(--space-2);
  color: var(--contact-accent);
}

.contact .contact-details a {
  color: var(--contact-accent);
}

.contact .contact-details a:hover {
  color: var(--contact-ink);
}

.contact .contact-details span:not(.contact-label):not(.mono),
.contact .contact-details .mono {
  color: var(--contact-ink);
}

.contact-details {
  list-style: none;
  margin: var(--space-5) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.contact-details li {
  display: grid;
  gap: 0.25rem;
}

.contact-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.contact-details a {
  font-weight: 600;
  text-decoration: none;
}

.contact-details a:hover {
  text-decoration: underline;
}

.demo-form {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-2);
  padding: var(--space-4);
  border: 0.5px solid var(--contact-line);
  border-radius: var(--radius-xl);
  background: color-mix(in oklch, var(--contact-surface-deep) 40%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in oklch, var(--contact-ink) 12%, transparent);
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--contact-ink-muted);
}

.optional {
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.contact .field input,
.contact .field select,
.contact .field textarea {
  width: 100%;
  min-height: 40px;
  padding: 0.55rem 0;
  border: 0;
  border-bottom: 0.5px solid var(--contact-line);
  border-radius: 0;
  background: transparent;
  color: var(--contact-ink);
  font-family: var(--font-ui);
  font-size: var(--text-md);
  transition: border-color 0.2s var(--ease-out-quart);
  color-scheme: dark;
}

.contact .field textarea {
  min-height: 96px;
  resize: vertical;
  padding-top: 0.65rem;
}

.contact .field input::placeholder,
.contact .field textarea::placeholder {
  color: color-mix(in oklch, var(--contact-ink-muted) 70%, transparent);
}

.contact .field select option {
  color: var(--color-text-primary);
  background: var(--color-surface-raised);
}

.contact .field input:focus-visible,
.contact .field select:focus-visible,
.contact .field textarea:focus-visible {
  outline: none;
  border-bottom-color: var(--contact-accent);
}

.contact .field-error {
  margin: 0;
  font-size: var(--text-sm);
  color: oklch(0.78 0.12 25);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.contact .btn.primary {
  color: var(--color-brand-secondary);
  border-color: color-mix(in oklch, var(--contact-ink) 35%, transparent);
  background: linear-gradient(180deg, var(--contact-ink), oklch(0.9 0.01 255));
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.55);
}

.contact .btn.primary:hover:not(:active) {
  filter: brightness(1.03);
}

.contact .text-link {
  color: var(--contact-ink);
}

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

.contact .form-success {
  margin: 0;
  padding: var(--space-2) 0;
  color: oklch(0.86 0.08 155);
  font-size: var(--text-md);
  font-weight: 500;
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 2;
  padding: var(--space-5) 0 var(--space-6);
  border-top: var(--hairline);
}

.footer-inner {
  width: var(--page-width);
  margin-inline: auto;
  padding-inline: 0;
  display: grid;
  gap: var(--space-2);
}

.footer-note {
  margin: 0;
  max-width: 40ch;
  font-size: var(--text-md);
  color: var(--color-text-secondary);
}

.footer-meta {
  margin: var(--space-2) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* Motion */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(6px);
  transition:
    opacity 0.85s var(--ease-out-expo),
    transform 0.85s var(--ease-out-expo),
    filter 0.85s var(--ease-out-expo);
  transition-delay: calc(var(--i, 0) * 85ms);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
  filter: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  .display-title .line,
  .scroll-hint-line {
    opacity: 1;
    transform: none;
    filter: none;
    animation: none;
    transition: none;
  }

  .section-rule {
    transform: scaleX(1);
    transition: none;
  }

  .site-nav a::after,
  .offer-rail h3::after {
    transform: none;
    transition: none;
  }

  .site-nav a:hover::after,
  .offer-rail li:hover h3::after {
    transform: none;
  }

  .chapter-progress-list a.is-active::before {
    animation: none;
  }

  .hero-visual-inner {
    transform: none !important;
  }

  html.has-motion-js .contact:not(.is-entered),
  html.has-motion-js .contact.is-entered {
    clip-path: inset(0 round var(--contact-curve, var(--radius-xl)) var(--contact-curve, var(--radius-xl)) 0 0);
    transition: none;
  }

  html.has-motion-js .contact .section-inner,
  html.has-motion-js .contact.is-entered .section-inner {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn.primary:hover:not(:active),
  .offer-rail li:hover h3,
  .offer-rail li:hover .offer-num,
  .principle-rail li:hover h4,
  .principle-rail li:hover .principle-num,
  .industry-rail li:hover h3,
  .chapter-progress-list a:hover,
  .chapter-progress-list a.is-active {
    transform: none;
  }

  .btn.primary:hover:not(:active) {
    transform: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --color-brand-primary: oklch(0.34 0.05 255);
    --color-text-secondary: oklch(0.38 0.02 255);
    --hairline: 1px solid color-mix(in oklch, var(--color-text-primary) 28%, transparent);
  }

  .contact {
    --contact-ink: oklch(0.98 0.005 255);
    --contact-ink-muted: oklch(0.9 0.015 255);
    --contact-surface-deep: oklch(0.22 0.035 255);
    --contact-line: color-mix(in oklch, var(--contact-ink) 40%, transparent);
  }
}