/* ==========================================================================
   Intellect MMC : Architectural Drafting & Scrollytelling System
   Palette: Paper #F3F1EC, Ink #111111, Petrol #0E5A5C, Dark #0D0E0D
   Logicwright Green #1E5B49 strictly scoped to .company-node-logicwright
   ========================================================================== */

:root {
  --bg-paper: #F3F1EC;
  --bg-paper-tint: #EAE7DF;
  --bg-surface: #F8F6F1;
  --ink: #111111;
  --ink-secondary: #43413C;
  --ink-muted: #625F58;
  --rule: #D5D1C6;
  --rule-strong: #111111;

  --petrol: #0E5A5C;
  --petrol-hover: #094143;
  --petrol-bright: #198588;
  --petrol-tint: rgba(14, 90, 92, 0.09);

  --dark-bg: #0D0E0D;
  --dark-surface: #141615;
  --dark-elevated: #1B1E1D;
  --dark-ink: #F3F1EC;
  --dark-secondary: #B9B6AE;
  --dark-muted: #8E8B83;
  --dark-rule: #272A28;

  --font-sans: 'Schibsted Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, 'PingFang SC', 'Microsoft YaHei', monospace;

  --sheet-max: 1360px;
  --header-h: 72px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-draft: cubic-bezier(0.22, 1, 0.36, 1);
}

html:lang(ru) {
  --font-sans: 'Schibsted Grotesk', 'Golos Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

html:lang(ar) {
  --font-sans: 'Schibsted Grotesk', 'IBM Plex Sans Arabic', -apple-system, BlinkMacSystemFont, 'Segoe UI', Tahoma, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'IBM Plex Sans Arabic', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html:lang(zh-Hans),
html:lang(zh) {
  --font-sans: 'Schibsted Grotesk', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Noto Sans SC', ui-monospace, SFMono-Regular, Menlo, Consolas, 'PingFang SC', 'Microsoft YaHei', monospace;
}

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

html {
  background-color: var(--bg-paper);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}

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

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  background-color: var(--bg-paper);
  color: var(--ink);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-locked {
  overflow: hidden;
}

::selection {
  background-color: var(--petrol);
  color: #FFFFFF;
}

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

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 2px solid var(--petrol);
  outline-offset: 3px;
}

.section-dark a:focus-visible,
.section-dark button:focus-visible,
.site-header.on-dark a:focus-visible,
.site-header.on-dark button:focus-visible,
.site-header.menu-open a:focus-visible,
.site-header.menu-open button:focus-visible {
  outline-color: #FFFFFF;
}

h1, h2, h3, p, ul, figure {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

/* Skip link */
.skip-link {
  position: fixed;
  left: -9999px;
  top: 0.75rem;
  z-index: 999;
  padding: 0.75rem 1.25rem;
  background-color: var(--ink);
  color: var(--bg-paper);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.skip-link:focus {
  left: 1rem;
}

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

/* Top scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 220;
  pointer-events: none;
  background: transparent;
}

.scroll-progress-bar {
  width: 100%;
  height: 100%;
  background-color: var(--petrol);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

/* Custom Cursor Reticle (desktop fine pointer only) */
.cursor-reticle {
  display: none;
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .cursor-reticle {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 22px;
    height: 22px;
    margin-left: -11px;
    margin-top: -11px;
    border: 1px solid var(--petrol);
    border-radius: 50%;
    pointer-events: none;
    z-index: 250;
    opacity: 0;
    transform: translate3d(-100px, -100px, 0) scale(1);
    transition: opacity 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
    will-change: transform;
  }

  .cursor-reticle.is-visible {
    opacity: 0.85;
  }

  .cursor-reticle.is-expanded {
    background-color: rgba(14, 90, 92, 0.14);
    border-color: var(--petrol-bright);
  }
}

/* Architectural Sheet Container */
.sheet-container {
  width: 100%;
  max-width: var(--sheet-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3.25rem);
}

@media (min-width: 1420px) {
  .sheet-container {
    border-left: 1px solid var(--rule);
    border-right: 1px solid var(--rule);
  }

  /* No side rules on dark surfaces: the dark header and Products stay clean */
  .section-dark .sheet-container,
  .site-header.on-dark .sheet-container {
    border-left-color: transparent;
    border-right-color: transparent;
  }

  .site-header .sheet-container {
    transition: border-color 0.3s ease;
  }
}

/* ==========================================================================
   HEADER & FULL-SCREEN MOBILE MENU
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 160;
  background-color: rgba(243, 241, 236, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  transition: transform 0.34s var(--ease-draft),
              background-color 0.3s ease,
              border-color 0.3s ease,
              color 0.3s ease;
  will-change: transform;
}

.site-header.is-hidden {
  transform: translate3d(0, -100%, 0);
}

.site-header.on-dark {
  background-color: rgba(13, 14, 13, 0.88);
  border-bottom-color: var(--dark-rule);
  color: var(--dark-ink);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
}

.brand-link {
  position: relative;
  z-index: 170;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-block: 0.25rem;
  margin-inline-start: -8px;
}

.brand-logo {
  width: 142px;
  height: auto;
  transition: filter 0.3s ease;
}

.site-header.on-dark .brand-logo,
.site-header.menu-open .brand-logo {
  filter: invert(1) brightness(1.08);
}

.header-end {
  display: flex;
  align-items: center;
  gap: clamp(0.65rem, 1.5vw, 1.5rem);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 1.7vw, 1.75rem);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 1.55vw, 1.85rem);
}

.nav-num {
  display: none;
}

.mobile-nav-meta {
  display: none;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  white-space: nowrap;
  transition: color 0.2s ease;
}

.site-header.on-dark .nav-link {
  color: var(--dark-secondary);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  height: 1.5px;
  background-color: var(--petrol);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s var(--ease-draft);
}

.site-header.on-dark .nav-link::after {
  background-color: #FFFFFF;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--ink);
}

.site-header.on-dark .nav-link:hover,
.site-header.on-dark .nav-link.is-active {
  color: #FFFFFF;
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

/* ==========================================================================
   DESIGN 1: COMPACT CURRENT-LANGUAGE TRIGGER + BLUEPRINT PANEL
   ========================================================================== */

.lang-switcher {
  position: relative;
  z-index: 175;
  display: inline-flex;
  align-items: center;
  padding-inline-start: clamp(0.75rem, 1.35vw, 1.25rem);
  border-inline-start: 1px solid var(--rule);
}

.site-header.on-dark .lang-switcher,
.site-header.menu-open .lang-switcher {
  border-inline-start-color: var(--dark-rule);
}

.lang-trigger {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 36px;
  min-width: 66px;
  padding: 0.35rem 0.68rem;
  background-color: rgba(248, 246, 241, 0.82);
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}

.lang-trigger:hover,
.lang-switcher.is-open .lang-trigger {
  border-color: var(--petrol);
  background-color: var(--bg-surface);
}

.site-header.on-dark .lang-trigger,
.site-header.menu-open .lang-trigger {
  background-color: rgba(20, 22, 21, 0.88);
  border-color: rgba(243, 241, 236, 0.45);
  color: var(--dark-ink);
}

.site-header.on-dark .lang-trigger:hover,
.site-header.on-dark .lang-switcher.is-open .lang-trigger,
.site-header.menu-open .lang-trigger:hover,
.site-header.menu-open .lang-switcher.is-open .lang-trigger {
  border-color: var(--petrol-bright);
  background-color: var(--dark-elevated);
}

.lang-trigger-dot {
  width: 6px;
  height: 6px;
  background-color: var(--petrol);
  flex-shrink: 0;
  transition: background-color 0.22s ease;
}

.site-header.on-dark .lang-trigger-dot,
.site-header.menu-open .lang-trigger-dot {
  background-color: var(--petrol-bright);
}

.lang-trigger-code {
  position: relative;
  z-index: 1;
}

.lang-trigger-chevron {
  width: 9px;
  height: 6px;
  flex-shrink: 0;
  color: var(--ink-muted);
  transition: transform 0.22s var(--ease-draft), color 0.22s ease;
}

.site-header.on-dark .lang-trigger-chevron,
.site-header.menu-open .lang-trigger-chevron {
  color: var(--dark-secondary);
}

.lang-trigger[aria-expanded="true"] .lang-trigger-chevron {
  transform: rotate(180deg);
  color: var(--petrol);
}

.site-header.on-dark .lang-trigger[aria-expanded="true"] .lang-trigger-chevron,
.site-header.menu-open .lang-trigger[aria-expanded="true"] .lang-trigger-chevron {
  color: var(--petrol-bright);
}

/* Blueprint dropdown panel */
.lang-panel {
  position: absolute;
  top: calc(100% + 9px);
  inset-inline-end: 0;
  width: 228px;
  background-color: var(--bg-surface);
  border: 1px solid var(--rule-strong);
  box-shadow: 0 14px 34px rgba(17, 17, 17, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate3d(0, -6px, 0);
  clip-path: inset(0 -8px 100% -8px);
  transition: opacity 0.22s var(--ease-draft),
              transform 0.22s var(--ease-draft),
              clip-path 0.22s var(--ease-draft),
              visibility 0s linear 0.22s;
}

.lang-switcher.is-open .lang-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate3d(0, 0, 0);
  clip-path: inset(-8px -8px -8px -8px);
  transition: opacity 0.22s var(--ease-draft),
              transform 0.22s var(--ease-draft),
              clip-path 0.22s var(--ease-draft),
              visibility 0s linear 0s;
}

.site-header.on-dark .lang-panel,
.site-header.menu-open .lang-panel {
  background-color: var(--dark-surface);
  border-color: var(--dark-rule);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.5);
}

/* Diagram-style corner ticks */
.panel-tick {
  position: absolute;
  width: 7px;
  height: 7px;
  pointer-events: none;
  z-index: 3;
}

.tick-tl {
  top: -3px;
  left: -3px;
  border-top: 1.5px solid var(--petrol);
  border-left: 1.5px solid var(--petrol);
}

.tick-tr {
  top: -3px;
  right: -3px;
  border-top: 1.5px solid var(--petrol);
  border-right: 1.5px solid var(--petrol);
}

.tick-bl {
  bottom: -3px;
  left: -3px;
  border-bottom: 1.5px solid var(--petrol);
  border-left: 1.5px solid var(--petrol);
}

.tick-br {
  bottom: -3px;
  right: -3px;
  border-bottom: 1.5px solid var(--petrol);
  border-right: 1.5px solid var(--petrol);
}

.site-header.on-dark .panel-tick,
.site-header.menu-open .panel-tick {
  border-color: var(--petrol-bright);
}

.lang-list {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.lang-list li + li {
  border-top: 1px solid var(--rule);
}

.site-header.on-dark .lang-list li + li,
.site-header.menu-open .lang-list li + li {
  border-top-color: var(--dark-rule);
}

/* Shared direction-aware fill layer (--fill-y set from pointer entry/exit edge) */
.dir-fill-bg {
  position: absolute;
  inset: 0;
  background-color: var(--ink);
  transform: scaleY(0);
  transform-origin: 50% var(--fill-y, 0%);
  transition: transform 0.34s var(--ease-out-expo);
  z-index: 0;
  pointer-events: none;
  will-change: transform;
}

.site-header.on-dark .lang-option .dir-fill-bg,
.site-header.menu-open .lang-option .dir-fill-bg {
  background-color: var(--petrol);
}

.lang-option {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  min-height: 42px;
  padding: 0.5rem 0.85rem;
  border-inline-start: 3px solid transparent;
  color: var(--ink);
  text-align: start;
  transition: color 0.24s ease, border-color 0.24s ease, background-color 0.24s ease;
}

.site-header.on-dark .lang-option,
.site-header.menu-open .lang-option {
  color: var(--dark-ink);
}

.lang-option.is-active,
.lang-option[aria-current="page"] {
  border-inline-start-color: var(--petrol);
  background-color: var(--petrol-tint);
}

.site-header.on-dark .lang-option.is-active,
.site-header.on-dark .lang-option[aria-current="page"],
.site-header.menu-open .lang-option.is-active,
.site-header.menu-open .lang-option[aria-current="page"] {
  border-inline-start-color: var(--petrol-bright);
  background-color: rgba(25, 133, 136, 0.16);
}

.lang-option:hover .dir-fill-bg,
.lang-option:focus-visible .dir-fill-bg {
  transform: scaleY(1);
}

.lang-opt-code,
.lang-opt-name,
.lang-opt-mark {
  position: relative;
  z-index: 1;
}

.lang-opt-code {
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--petrol);
  min-width: 1.75rem;
  flex-shrink: 0;
  transition: color 0.24s ease;
}

.site-header.on-dark .lang-opt-code,
.site-header.menu-open .lang-opt-code {
  color: var(--petrol-bright);
}

.lang-opt-name {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.25;
  transition: color 0.24s ease;
}

.lang-opt-name[lang="ar"] {
  font-family: 'IBM Plex Sans Arabic', var(--font-sans);
}

.lang-opt-name[lang="zh-Hans"] {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', var(--font-sans);
}

.lang-opt-mark {
  width: 6px;
  height: 6px;
  margin-inline-start: auto;
  background-color: var(--petrol);
  opacity: 0;
  flex-shrink: 0;
  transition: opacity 0.22s ease, background-color 0.22s ease;
}

.lang-option.is-active .lang-opt-mark,
.lang-option[aria-current="page"] .lang-opt-mark {
  opacity: 1;
}

.site-header.on-dark .lang-opt-mark,
.site-header.menu-open .lang-opt-mark {
  background-color: var(--petrol-bright);
}

.lang-option:hover,
.lang-option:focus-visible {
  color: #FFFFFF;
}

.lang-option:hover .lang-opt-code,
.lang-option:focus-visible .lang-opt-code {
  color: var(--petrol-bright);
}

.site-header.on-dark .lang-option:hover .lang-opt-code,
.site-header.on-dark .lang-option:focus-visible .lang-opt-code,
.site-header.menu-open .lang-option:hover .lang-opt-code,
.site-header.menu-open .lang-option:focus-visible .lang-opt-code {
  color: #FFFFFF;
}

.lang-option:hover .lang-opt-mark,
.lang-option:focus-visible .lang-opt-mark {
  background-color: #FFFFFF;
}

.lang-option:focus-visible {
  outline-offset: -2px;
}

/* ==========================================================================
   LANGUAGE SUGGESTION BAR (FIXED OVERLAY BELOW HEADER: ZERO PIN SHIFT)
   ========================================================================== */

.lang-suggest {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 155;
  background-color: rgba(248, 246, 241, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--petrol);
  box-shadow: 0 6px 20px rgba(17, 17, 17, 0.07);
  transition: transform 0.32s var(--ease-draft), opacity 0.25s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.lang-suggest[hidden] {
  display: none !important;
}

.lang-suggest.is-header-hidden {
  transform: translate3d(0, calc(-100% - var(--header-h) - 4px), 0);
}

.lang-suggest.on-dark {
  background-color: rgba(20, 22, 21, 0.96);
  border-bottom-color: var(--petrol-bright);
  color: var(--dark-ink);
}

.lang-suggest-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  min-height: 44px;
  padding-block: 0.35rem;
}

.lang-suggest-msg {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.875rem;
  line-height: 1.35;
  color: var(--ink);
}

.lang-suggest.on-dark .lang-suggest-msg {
  color: var(--dark-ink);
}

.lang-suggest-dot {
  width: 6px;
  height: 6px;
  background-color: var(--petrol);
  flex-shrink: 0;
}

.lang-suggest.on-dark .lang-suggest-dot {
  background-color: var(--petrol-bright);
}

.lang-suggest-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-inline-start: auto;
}

.lang-suggest-accept {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0.35rem 0.8rem;
  background-color: var(--petrol);
  border: 1px solid var(--petrol);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.lang-suggest-accept:hover,
.lang-suggest-accept:focus-visible {
  background-color: var(--petrol-hover);
  border-color: var(--petrol-hover);
}

.lang-suggest-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-secondary);
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.lang-suggest.on-dark .lang-suggest-close {
  border-color: var(--dark-rule);
  color: var(--dark-secondary);
}

.lang-suggest-close:hover,
.lang-suggest-close:focus-visible {
  background-color: var(--ink);
  border-color: var(--ink);
  color: #FFFFFF;
}

.lang-suggest.on-dark .lang-suggest-close:hover,
.lang-suggest.on-dark .lang-suggest-close:focus-visible {
  background-color: var(--dark-elevated);
  border-color: var(--petrol-bright);
  color: #FFFFFF;
}

.nav-toggle {
  display: none;
  position: relative;
  z-index: 170;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  min-height: 44px;
  min-width: 88px;
  padding: 0.5rem 0.85rem;
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.site-header.on-dark .nav-toggle,
.site-header.menu-open .nav-toggle {
  border-color: rgba(243, 241, 236, 0.45);
  color: var(--dark-ink);
}

.nav-toggle-bars {
  position: relative;
  width: 14px;
  height: 8px;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background-color: currentColor;
  transition: transform 0.25s var(--ease-draft), top 0.25s var(--ease-draft);
}

.nav-toggle-bars::before {
  top: 0;
}

.nav-toggle-bars::after {
  top: 6.5px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 3.25px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: 3.25px;
  transform: rotate(-45deg);
}

@media (max-width: 859px) {
  :root {
    --header-h: 64px;
  }

  .brand-logo {
    width: 122px;
  }

  .header-end {
    gap: 0.5rem;
  }

  .lang-switcher {
    padding-inline-start: 0;
    border-inline-start: none;
  }

  .lang-trigger {
    min-height: 44px;
    min-width: 64px;
    padding-inline: 0.62rem;
  }

  .lang-option {
    min-height: 44px;
  }

  .lang-suggest-accept {
    min-height: 44px;
  }

  .lang-suggest-close {
    width: 44px;
    height: 44px;
  }

  .nav-toggle {
    display: inline-flex;
    min-width: 82px;
    padding-inline: 0.72rem;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100dvh;
    background-color: var(--dark-bg);
    color: var(--dark-ink);
    z-index: 165;
    padding: calc(var(--header-h) + 1.5rem) 1.5rem 1.75rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    gap: 1.25rem;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate3d(0, -16px, 0);
    transition: opacity 0.32s var(--ease-draft),
                transform 0.32s var(--ease-draft),
                visibility 0.32s;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate3d(0, 0, 0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    width: 100%;
  }

  .nav-list li {
    width: 100%;
    border-bottom: 1px solid var(--dark-rule);
  }

  .nav-link {
    width: 100%;
    min-height: 54px;
    padding-block: 0.55rem;
    font-family: var(--font-sans);
    font-size: clamp(1.65rem, 7vw, 2.35rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    text-transform: none;
    color: var(--dark-ink);
    gap: 1rem;
  }

  .nav-link:hover,
  .nav-link.is-active {
    color: #FFFFFF;
  }

  .nav-link::after {
    display: none;
  }

  .nav-num {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--petrol-bright);
  }

  .mobile-nav-meta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding-top: 1rem;
    border-top: 1px solid var(--dark-rule);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    color: var(--dark-muted);
    margin-top: auto;
  }
}

/* ==========================================================================
   COMMON SECTION SYSTEM
   ========================================================================== */

.section {
  position: relative;
  border-bottom: 1px solid var(--rule);
  background-color: var(--bg-paper);
}

.section .sheet-container {
  padding-block: clamp(4rem, 8vw, 7.5rem);
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-bottom: 1rem;
  margin-bottom: clamp(2.25rem, 4.5vw, 4rem);
  border-bottom: 1px solid var(--rule);
}

.section-header-dark {
  border-bottom-color: var(--dark-rule);
}

.section-index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--petrol);
}

.section-dark .section-index {
  color: var(--petrol-bright);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.section-dark .section-tag {
  color: var(--dark-muted);
}

.section-title {
  font-size: clamp(2.1rem, 4.8vw, 4.25rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--ink);
  max-width: 18ch;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--petrol);
}

.eyebrow-dark {
  color: var(--petrol-bright);
}

/* Word reveal spans (always visible if JS disabled) */
.word-mask {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  /* Display headings use line-height below 1, so the mask needs room for
     ascenders and descenders (g, y, p) or overflow:hidden clips them */
  padding: 0.1em 0.04em 0.24em;
  margin: -0.1em -0.04em -0.24em;
}

.word-inner {
  display: inline-block;
  will-change: transform, opacity;
}

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  min-width: 44px;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  will-change: transform;
}

.btn-primary {
  background-color: var(--ink);
  border-color: var(--ink);
  color: var(--bg-paper);
}

.btn-primary:hover {
  background-color: var(--petrol);
  border-color: var(--petrol);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: rgba(243, 241, 236, 0.82);
  border-color: var(--rule-strong);
  color: var(--ink);
}

.btn-secondary:hover {
  background-color: var(--ink);
  color: var(--bg-paper);
}

/* ==========================================================================
   1. HERO: FULL VIEWPORT + 2D PARTICLE CANVAS
   ========================================================================== */

.hero-section {
  position: relative;
  min-height: 100svh;
  padding-top: var(--header-h);
  border-bottom: 1px solid var(--rule);
  background-color: var(--bg-paper);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hero-canvas-stage {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

#hero-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-inner {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-block: clamp(1rem, 2.4vh, 2.25rem);
}

.hero-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(17, 17, 17, 0.14);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ink-secondary);
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.meta-dot {
  width: 7px;
  height: 7px;
  background-color: var(--petrol);
  flex-shrink: 0;
}

.meta-state {
  color: var(--petrol);
  font-weight: 500;
}

.hero-copy {
  margin-block: auto;
  padding-block: clamp(1.25rem, 2.5vh, 2.5rem);
  max-width: 100%;
  will-change: transform, opacity;
}

/* Display headline: 9 to 12vw on desktop, capped cleanly for short viewports */
.hero-title {
  font-size: clamp(2.65rem, 11vw, 4.75rem);
  font-weight: 700;
  line-height: 0.93;
  letter-spacing: -0.042em;
  color: var(--ink);
  max-width: 13.8ch;
}

@media (min-width: 900px) {
  .hero-title {
    font-size: clamp(4.5rem, min(9.2vw, 14.8vh), 9.25rem);
    line-height: 0.91;
    max-width: 13.5ch;
  }
}

.hero-sub {
  margin-top: clamp(1rem, 2vh, 1.5rem);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.48;
  color: var(--ink-secondary);
  max-width: 54ch;
  background: linear-gradient(90deg, rgba(243, 241, 236, 0.92), rgba(243, 241, 236, 0.45));
  padding-right: 0.5rem;
}

.hero-actions {
  margin-top: clamp(1.25rem, 2.6vh, 2rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.hero-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(17, 17, 17, 0.14);
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.scroll-cue-line {
  width: 32px;
  height: 1px;
  background-color: var(--petrol);
  display: inline-block;
}

@media (max-width: 479px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .meta-state {
    display: none;
  }
}

/* ==========================================================================
   2. PINNED SCROLL STORY: FROM PROBLEM TO WORKING SYSTEM
   ========================================================================== */

.story-section {
  background-color: var(--bg-paper);
}

.story-header {
  align-items: flex-end;
  margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.story-header-left {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.story-section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.story-progress {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.story-step-btn {
  min-width: 44px;
  min-height: 44px;
  padding: 0.4rem 0.65rem;
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  font-weight: 500;
  color: var(--ink-muted);
  cursor: pointer;
  transition: background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.story-step-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.story-step-btn.is-active {
  background-color: var(--petrol);
  border-color: var(--petrol);
  color: #FFFFFF;
}

.story-progress-track {
  width: 56px;
  height: 2px;
  background-color: var(--rule);
  position: relative;
  overflow: hidden;
}

.story-progress-fill {
  position: absolute;
  inset: 0;
  background-color: var(--petrol);
  transform: scaleX(0.25);
  transform-origin: left center;
  will-change: transform;
}

/* Default unpinned layout (works without JS, on mobile, or reduced motion) */
.story-stage {
  display: grid;
  grid-template-columns: minmax(0, 4.5fr) minmax(0, 7.5fr);
  gap: clamp(1.75rem, 3.5vw, 3.5rem);
  align-items: start;
}

.story-steps {
  display: grid;
  gap: 1.25rem;
}

.story-step {
  padding: 1.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--petrol);
}

.story-step-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.story-step-num {
  color: var(--petrol);
  font-weight: 500;
}

.story-step-tag {
  color: var(--ink-muted);
}

.story-word {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.038em;
  color: var(--ink);
  margin-bottom: 0.65rem;
}

.story-line {
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.52;
  color: var(--ink-secondary);
  max-width: 34ch;
}

.story-mini-svg {
  display: none;
  width: 100%;
  height: auto;
  margin-top: 1.15rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule);
}

.story-diagram-frame {
  background-color: var(--bg-surface);
  border: 1px solid var(--rule);
  padding: clamp(0.85rem, 1.8vw, 1.35rem);
  position: relative;
}

.diagram-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.75rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.story-svg {
  width: 100%;
  height: auto;
}

/* Pinned Mode (activated by JS when motion is allowed, at every width) */
@media (prefers-reduced-motion: no-preference) {
  /* Content starts right under the header; spare height goes below the
     diagram instead of being split above the title */
  html.gsap-story-pinned .story-section {
    min-height: 100svh;
    display: flex;
    align-items: flex-start;
  }

  html.gsap-story-pinned .story-container {
    padding-top: calc(var(--header-h) + 2rem);
    padding-bottom: 1.75rem;
    width: 100%;
  }

  html.gsap-story-pinned .story-stage {
    align-items: center;
  }

  html.gsap-story-pinned .story-steps {
    position: relative;
    min-height: 300px;
    display: block;
  }

  html.gsap-story-pinned .story-step {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: transparent;
    border: none;
    border-left: 3px solid var(--petrol);
    padding: 0.5rem 0 0.5rem 1.75rem;
    will-change: transform, opacity;
  }

  html.gsap-story-pinned .story-word {
    font-size: clamp(3.5rem, 6vw, 5.5rem);
  }

  /* The pinned screen must fit the viewport: 20rem is the header, title row,
     frame bar and paddings, the rest goes to the 680x460 diagram */
  html.gsap-story-pinned .story-svg {
    display: block;
    width: min(100%, calc((100svh - 20rem) * 680 / 460));
    margin-inline: auto;
  }
}

@media (max-width: 899px) {
  .story-stage {
    grid-template-columns: 1fr;
  }

  .story-progress {
    display: none;
  }

  /* Unpinned fallback (no JS or reduced motion): cards with small schematics */
  html:not(.gsap-story-pinned) .story-diagram-frame {
    display: none;
  }

  html:not(.gsap-story-pinned) .story-mini-svg {
    display: block;
  }

  /* Pinned on narrow screens: step text on top, the transforming diagram
     below, all sized to fit one screen */
  html.gsap-story-pinned .story-container {
    padding-top: calc(var(--header-h) + 1.25rem);
    padding-bottom: 1rem;
  }

  html.gsap-story-pinned .story-header {
    margin-bottom: 1rem;
  }

  html.gsap-story-pinned .story-header .section-index {
    display: none;
  }

  html.gsap-story-pinned .story-section-title {
    font-size: clamp(1.4rem, 6vw, 2rem);
  }

  html.gsap-story-pinned .story-stage {
    gap: 1rem;
  }

  html.gsap-story-pinned .story-steps {
    min-height: 150px;
  }

  html.gsap-story-pinned .story-step {
    padding: 0.25rem 0 0.25rem 1rem;
  }

  html.gsap-story-pinned .story-word {
    font-size: clamp(2.5rem, 12vw, 3.75rem);
    margin-bottom: 0.4rem;
  }

  html.gsap-story-pinned .story-line {
    font-size: 0.975rem;
  }

  html.gsap-story-pinned .story-mini-svg {
    display: none;
  }

  html.gsap-story-pinned .diagram-bar span:last-child {
    display: none;
  }

  html.gsap-story-pinned .story-svg {
    width: 100%;
    max-height: 38svh;
  }
}

/* ==========================================================================
   3. SERVICES: INTERACTIVE HOVER-EXPAND ARCHITECTURAL ROWS
   ========================================================================== */

.services-intro {
  margin-bottom: clamp(2.25rem, 4.5vw, 3.75rem);
}

.services-ledger {
  border-top: 1px solid var(--rule-strong);
}

.service-row {
  border-bottom: 1px solid var(--rule-strong);
}

.service-row-head {
  position: relative;
  display: grid;
  grid-template-columns: 68px 64px minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.25rem 2rem;
  padding: clamp(1.6rem, 3vw, 2.5rem) clamp(1rem, 2vw, 1.75rem);
  overflow: hidden;
  cursor: pointer;
  transition: color 0.32s var(--ease-draft);
}

.service-row-head:focus-within {
  outline: 2px solid var(--petrol);
  outline-offset: -2px;
}

.service-row-bg {
  position: absolute;
  inset: 0;
  background-color: var(--ink);
  transform: scaleY(0);
  /* --fill-y is set by main.js from the pointer's entry/exit edge */
  transform-origin: 50% var(--fill-y, 0%);
  transition: transform 0.42s var(--ease-out-expo);
  z-index: 0;
  will-change: transform;
}

.service-row-head:hover .service-row-bg,
.service-row-head:focus-within .service-row-bg {
  transform: scaleY(1);
}

.service-num,
.service-icon-wrap,
.service-main,
.service-output {
  position: relative;
  z-index: 1;
}

.service-num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  font-weight: 500;
  color: var(--petrol);
  transition: color 0.3s ease, transform 0.35s var(--ease-draft);
}

.service-row-head:hover .service-num,
.service-row-head:focus-within .service-num {
  color: var(--petrol-bright);
  transform: translate3d(6px, 0, 0);
}

.service-icon-wrap {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rule);
  background-color: var(--bg-surface);
  color: var(--ink);
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.service-row-head:hover .service-icon-wrap,
.service-row-head:focus-within .service-icon-wrap {
  background-color: var(--petrol);
  border-color: var(--petrol);
  color: #FFFFFF;
}

.service-icon {
  width: 30px;
  height: 30px;
  overflow: visible;
}

/* Custom SVG icon micro-animations on hover */
.service-icon .s-ring,
.service-icon .s-node,
.service-icon .s-diamond,
.service-icon .s-branch,
.service-icon .s-bar-1,
.service-icon .s-bar-2,
.service-icon .s-bar-3,
.service-icon .s-bracket-l,
.service-icon .s-bracket-r,
.service-icon .s-chevron,
.service-icon .s-cursor {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.45s var(--ease-out-expo), opacity 0.3s ease;
}

.service-row-head:hover .icon-map .s-ring,
.service-row-head:focus-within .icon-map .s-ring {
  transform: rotate(90deg) scale(1.06);
}

.service-row-head:hover .icon-map .s-node,
.service-row-head:focus-within .icon-map .s-node {
  transform: scale(1.4);
}

.service-row-head:hover .icon-flow .s-diamond,
.service-row-head:focus-within .icon-flow .s-diamond {
  transform: rotate(90deg) scale(1.1);
}

.service-row-head:hover .icon-tasks .s-bar-1,
.service-row-head:focus-within .icon-tasks .s-bar-1 {
  transform: translate3d(3px, 0, 0);
}

.service-row-head:hover .icon-tasks .s-bar-2,
.service-row-head:focus-within .icon-tasks .s-bar-2 {
  transform: translate3d(-3px, 0, 0);
}

.service-row-head:hover .icon-tasks .s-bar-3,
.service-row-head:focus-within .icon-tasks .s-bar-3 {
  transform: translate3d(4px, 0, 0);
}

.service-row-head:hover .icon-code .s-bracket-l,
.service-row-head:focus-within .icon-code .s-bracket-l {
  transform: translate3d(-2px, 0, 0);
}

.service-row-head:hover .icon-code .s-bracket-r,
.service-row-head:focus-within .icon-code .s-bracket-r {
  transform: translate3d(2px, 0, 0);
}

.service-row-head:hover .icon-code .s-chevron,
.service-row-head:focus-within .icon-code .s-chevron {
  transform: translate3d(3px, 0, 0);
}

.service-main {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: transform 0.38s var(--ease-out-expo);
}

.service-row-head:hover .service-main,
.service-row-head:focus-within .service-main {
  transform: translate3d(8px, 0, 0);
}

.service-title {
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--ink);
  transition: color 0.3s ease;
}

.service-trigger {
  appearance: none;
  -webkit-appearance: none;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  text-align: inherit;
  cursor: pointer;
  display: inline;
}

.service-trigger:focus-visible {
  outline: none;
}

.service-desc {
  font-size: clamp(0.95rem, 1.15vw, 1.0625rem);
  line-height: 1.5;
  color: var(--ink-secondary);
  max-width: 52ch;
  transition: color 0.3s ease;
}

.service-row-head:hover .service-title,
.service-row-head:focus-within .service-title {
  color: #FFFFFF;
}

.service-row-head:hover .service-desc,
.service-row-head:focus-within .service-desc {
  color: var(--dark-secondary);
}

.service-output {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--rule);
  background-color: var(--bg-surface);
  color: var(--ink-secondary);
  white-space: nowrap;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.service-row.is-open .service-output {
  border-color: var(--petrol);
  color: var(--petrol);
}

.service-row-head:hover .service-output,
.service-row-head:focus-within .service-output {
  background-color: var(--petrol);
  border-color: var(--petrol);
  color: #FFFFFF;
}

/* Expandable scope disclosure under each service row */
.service-scope {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.36s var(--ease-out-expo);
}

.service-row.is-open .service-scope {
  grid-template-rows: 1fr;
}

.service-scope-inner {
  min-height: 0;
  overflow: hidden;
}

.service-scope-body {
  padding: 1.15rem clamp(1rem, 2vw, 1.75rem) 1.35rem calc(68px + 64px + 4rem + clamp(1rem, 2vw, 1.75rem));
  background-color: var(--bg-paper-tint);
  border-top: 1px solid var(--rule);
  border-inline-start: 3px solid var(--petrol);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-scope-label {
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--petrol);
}

.service-scope-text {
  font-size: clamp(0.9375rem, 1.1vw, 1.03125rem);
  line-height: 1.56;
  color: var(--ink-secondary);
  max-width: 64ch;
}

@media (max-width: 959px) {
  .service-row-head {
    grid-template-columns: 52px 48px minmax(0, 1fr);
    gap: 1rem 1.25rem;
  }

  .service-output {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .service-scope-body {
    padding-inline: clamp(1rem, 2vw, 1.75rem);
  }
}

@media (max-width: 559px) {
  .service-row-head {
    grid-template-columns: auto 1fr;
    padding-inline: 0.75rem;
  }

  .service-main {
    grid-column: 1 / -1;
  }

  .service-row-head:hover .service-main,
  .service-row-head:focus-within .service-main {
    transform: none;
  }

  .service-scope-body {
    padding-inline: 0.85rem;
  }
}

/* ==========================================================================
   4. PRINCIPLES (APPROACH): MARQUEE + MONUMENTAL STATEMENTS
   ========================================================================== */

.principles-marquee {
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
  background-color: var(--bg-paper-tint);
  padding-block: 0.85rem;
}

.marquee-track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink-secondary);
  animation: marquee-scroll 28s linear infinite;
  will-change: transform;
}

/* JS builds two identical groups; each carries its trailing gap so -50% is exact */
.marquee-track.is-looped {
  gap: 0;
}

.marquee-group {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 1.75rem;
  padding-inline-end: 1.75rem;
}

.principles-marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-sep {
  color: var(--petrol);
}

@keyframes marquee-scroll {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
    flex-wrap: wrap;
    width: 100%;
    padding-inline: 1.25rem;
  }
}

.approach-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
  gap: clamp(2rem, 4.5vw, 4rem);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.approach-display {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-weight: 700;
  line-height: 0.97;
  letter-spacing: -0.04em;
  color: var(--ink);
  max-width: 11ch;
}

.approach-sub {
  margin-top: 1.25rem;
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  line-height: 1.5;
  color: var(--ink-secondary);
  max-width: 38ch;
}

.craft-plate {
  position: relative;
  padding: 0.65rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--rule);
}

.craft-plate::after {
  content: '';
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 14px;
  height: 14px;
  background: linear-gradient(135deg, transparent 50%, var(--petrol) 50%);
  pointer-events: none;
}

.craft-img-clip {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.craft-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}

.craft-caption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.07em;
  color: var(--ink-muted);
}

.principles-statements {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background-color: var(--bg-paper);
  border-top: 1px solid var(--rule);
  border-inline-start: 1px solid var(--rule);
}

.principle-statement {
  background-color: var(--bg-paper);
  border-inline-end: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: clamp(1.75rem, 3.2vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.p-index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--petrol);
}

.p-title {
  font-size: clamp(1.6rem, 2.8vw, 2.35rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.p-copy {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.5;
  color: var(--ink-secondary);
  max-width: 34ch;
}

@media (max-width: 899px) {
  .approach-hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 679px) {
  .principles-statements {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   5. PLANORA: DARK SECTION SHOWCASE
   ========================================================================== */

.section-dark {
  background-color: var(--dark-bg);
  color: var(--dark-ink);
  border-bottom-color: var(--dark-rule);
  overflow: hidden;
}

.planora-section {
  position: relative;
  will-change: transform;
}

.planora-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.planora-container {
  position: relative;
  z-index: 1;
}

.planora-stage {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.planora-pedestal {
  position: relative;
  aspect-ratio: 4 / 3;
  background-color: #070807;
  border: 1px solid var(--dark-rule);
  display: grid;
  place-items: center;
  padding: 2rem;
  will-change: transform;
}

.pedestal-coord {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.09em;
  color: var(--dark-muted);
}

.pedestal-tl {
  top: 0.85rem;
  left: 1rem;
}

.pedestal-br {
  bottom: 0.85rem;
  right: 1rem;
}

.planora-mark-svg {
  width: clamp(128px, 16vw, 204px);
  height: auto;
  will-change: transform;
}

.planora-display {
  font-size: clamp(3rem, 7vw, 6.25rem);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.04em;
  color: #FFFFFF;
  margin-top: 0.35rem;
}

.planora-one-liner {
  margin-top: 1.15rem;
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  line-height: 1.52;
  color: var(--dark-secondary);
  max-width: 46ch;
}

.planora-chips {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.planora-chip {
  padding: 0.55rem 0.95rem;
  background-color: var(--dark-surface);
  border: 1px solid var(--dark-rule);
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  color: var(--dark-ink);
  letter-spacing: 0.02em;
  transition: border-color 0.25s ease, transform 0.25s var(--ease-draft), background-color 0.25s ease;
  will-change: transform, opacity;
}

.planora-chip:hover {
  border-color: var(--petrol-bright);
  background-color: var(--dark-elevated);
  transform: translate3d(0, -2px, 0);
}

.planora-status-row {
  margin-top: 1.75rem;
}

.planora-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--dark-secondary);
}

.status-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--petrol-bright);
  display: inline-block;
}

/* Big link portal to planora.day */
.planora-portal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding: clamp(1.5rem, 3.5vw, 2.75rem);
  background-color: var(--dark-surface);
  border: 1px solid var(--dark-rule);
  color: #FFFFFF;
  min-height: 64px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.planora-portal:hover,
.planora-portal:focus-visible {
  background-color: var(--petrol);
  border-color: var(--petrol-bright);
}

.portal-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  letter-spacing: 0.1em;
  color: var(--dark-muted);
  transition: color 0.3s ease;
}

.planora-portal:hover .portal-eyebrow,
.planora-portal:focus-visible .portal-eyebrow {
  color: rgba(255, 255, 255, 0.85);
}

.portal-domain {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: clamp(2.1rem, 5.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.035em;
}

.portal-arrow {
  width: 0.7em;
  height: 0.7em;
  transition: transform 0.3s var(--ease-out-expo);
}

.planora-portal:hover .portal-arrow,
.planora-portal:focus-visible .portal-arrow {
  transform: translate3d(5px, -5px, 0);
}

.planora-next-strip {
  margin-top: 1.25rem;
  padding: 1.1rem 1.5rem;
  border: 1px solid var(--dark-rule);
  background-color: rgba(20, 22, 21, 0.7);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.next-strip-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: #FFFFFF;
}

.inline-intellect-mark {
  width: 20px;
  height: 20px;
}

.next-strip-text {
  font-size: 0.96875rem;
  color: var(--dark-secondary);
}

@media (max-width: 899px) {
  .planora-stage {
    grid-template-columns: 1fr;
  }

  .planora-pedestal {
    aspect-ratio: 16 / 9;
  }
}

/* ==========================================================================
   6. COMPANY: VISUAL RELATIONSHIP DIAGRAM
   ========================================================================== */

.company-heading {
  margin-bottom: clamp(2.5rem, 5vw, 4.25rem);
}

/* Drafting sheet around the two entities: fine grid, corner ticks, figure bar */
.company-frame {
  position: relative;
  border: 1px solid var(--rule);
  background-color: var(--bg-paper);
  background-image:
    linear-gradient(to right, rgba(17, 17, 17, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(17, 17, 17, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  padding: clamp(1rem, 2.4vw, 1.75rem);
}

.company-bar {
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
}

.company-diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 230px) minmax(0, 1fr);
  align-items: stretch;
  gap: 0;
}

.company-node {
  background-color: var(--bg-surface);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--petrol);
  padding: clamp(1.6rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* Logicwright green (#1E5B49) strictly scoped to Logicwright node */
.company-node-logicwright {
  --lw-green: #1E5B49;
  --lw-green-tint: rgba(30, 91, 73, 0.09);
  border-top-color: var(--lw-green);
}

.node-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.node-symbol {
  width: 76px;
  height: 76px;
  background-color: var(--bg-paper);
  border: 1px solid var(--rule);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.node-symbol-lw {
  border-color: var(--lw-green);
}

.node-badge {
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.65rem;
  background-color: var(--petrol-tint);
  color: var(--petrol);
  border: 1px solid rgba(14, 90, 92, 0.25);
}

.node-badge-lw {
  background-color: var(--lw-green-tint);
  color: var(--lw-green);
  border-color: rgba(30, 91, 73, 0.28);
}

.node-title {
  font-size: clamp(1.65rem, 2.6vw, 2.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.node-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-muted);
}

.node-line {
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--ink-secondary);
}

.node-spec {
  margin-top: auto;
  padding-top: 0.85rem;
}

.node-spec-row {
  display: grid;
  grid-template-columns: minmax(6.5rem, auto) minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  padding-block: 0.55rem;
  border-top: 1px dashed var(--rule);
}

.node-spec-row:first-child {
  border-top-style: solid;
}

.node-spec dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  color: var(--petrol);
}

.company-node-logicwright .node-spec dt {
  color: var(--lw-green);
}

.node-spec dd {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink);
}

/* Relationship connector: solid petrol wire from the Intellect card to the
   Logicwright card, start dot, filled arrowhead, boxed label, and a pulse
   that keeps travelling along the wire */
.company-bridge {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}

.company-bridge::before {
  content: "";
  position: absolute;
  top: 50%;
  inset-inline: 0;
  border-top: 1px dashed var(--rule);
}

.bridge-wire {
  position: absolute;
  top: 50%;
  inset-inline: 0 12px;
  height: 2px;
  margin-top: -1px;
  background-color: var(--petrol);
}

.bridge-pulse {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  background-color: var(--petrol-bright);
  box-shadow: 0 0 0 4px rgba(25, 133, 136, 0.18);
  animation: bridge-flow-x 2.6s cubic-bezier(0.6, 0, 0.4, 1) infinite;
}

@keyframes bridge-flow-x {
  0% { inset-inline-start: 0; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { inset-inline-start: calc(100% - 10px); opacity: 0; }
}

@keyframes bridge-flow-y {
  0% { top: 0; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { top: calc(100% - 10px); opacity: 0; }
}

.bridge-dot {
  position: absolute;
  top: 50%;
  inset-inline-start: -6px;
  width: 12px;
  height: 12px;
  margin-top: -6px;
  border-radius: 50%;
  background-color: var(--bg-paper);
  border: 2px solid var(--petrol);
  z-index: 1;
}

.bridge-head {
  position: absolute;
  top: 50%;
  inset-inline-end: -1px;
  width: 16px;
  height: 18px;
  margin-top: -9px;
  background-color: var(--petrol);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  z-index: 1;
}

[dir="rtl"] .bridge-head {
  clip-path: polygon(100% 0, 0 50%, 100% 100%);
}

/* Side by side the label sits above the wire so the whole arrow stays visible */
.bridge-label {
  position: absolute;
  bottom: calc(50% + 0.7rem);
  inset-inline: 1rem;
  z-index: 2;
  padding: 0.45rem 0.6rem;
  background-color: var(--bg-paper);
  border: 1px solid var(--petrol);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.09em;
  color: var(--petrol);
  text-align: center;
}

@media (max-width: 899px) {
  .company-diagram {
    grid-template-columns: 1fr;
  }

  .company-bridge {
    min-height: 132px;
  }

  .bridge-label {
    position: relative;
    bottom: auto;
    inset-inline: auto;
    max-width: calc(100% - 2.5rem);
  }

  .company-bridge::before {
    top: 0;
    bottom: 0;
    inset-inline: auto;
    left: 50%;
    border-top: 0;
    border-left: 1px dashed var(--rule);
  }

  .bridge-wire {
    top: 0;
    bottom: 14px;
    inset-inline: auto;
    left: 50%;
    width: 2px;
    height: auto;
    margin: 0 0 0 -1px;
  }

  .bridge-pulse {
    top: 0;
    left: 50%;
    margin: 0 0 0 -5px;
    animation-name: bridge-flow-y;
  }

  .bridge-dot {
    top: -6px;
    inset-inline-start: auto;
    left: 50%;
    margin: 0 0 0 -6px;
  }

  .company-bridge .bridge-head {
    top: auto;
    bottom: -1px;
    inset-inline-end: auto;
    left: 50%;
    width: 18px;
    height: 16px;
    margin: 0 0 0 -9px;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
  }
}

/* ==========================================================================
   6.5 FAQ: COMPACT WORKING SPECIFICATION LEDGER
   ========================================================================== */

.faq-intro {
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}

.faq-ledger {
  border-top: 1px solid var(--rule-strong);
}

.faq-item {
  border-bottom: 1px solid var(--rule-strong);
}

.faq-heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.faq-trigger {
  position: relative;
  overflow: hidden;
  width: 100%;
  min-height: 56px;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 1rem 1.5rem;
  padding: clamp(1.2rem, 2.2vw, 1.65rem) clamp(0.85rem, 1.75vw, 1.5rem);
  background: transparent;
  border: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  text-align: start;
  cursor: pointer;
  transition: color 0.28s ease;
}

.faq-trigger:hover .dir-fill-bg,
.faq-trigger:focus-visible .dir-fill-bg {
  transform: scaleY(1);
}

.faq-trigger:focus-visible {
  outline-offset: -2px;
}

.faq-num,
.faq-question,
.faq-indicator {
  position: relative;
  z-index: 1;
}

.faq-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--petrol);
  transition: color 0.26s ease;
}

.faq-question {
  font-size: clamp(1.0625rem, 1.55vw, 1.35rem);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--ink);
  transition: color 0.26s ease;
}

.faq-indicator {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rule);
  background-color: var(--bg-surface);
  color: var(--ink);
  transition: background-color 0.26s ease, border-color 0.26s ease, color 0.26s ease;
}

.faq-indicator-icon {
  position: relative;
  width: 11px;
  height: 11px;
}

.faq-indicator-icon::before,
.faq-indicator-icon::after {
  content: '';
  position: absolute;
  background-color: currentColor;
  transition: transform 0.26s var(--ease-draft), opacity 0.22s ease;
}

.faq-indicator-icon::before {
  top: 5px;
  left: 0;
  width: 11px;
  height: 1.5px;
}

.faq-indicator-icon::after {
  top: 0;
  left: 4.75px;
  width: 1.5px;
  height: 11px;
}

.faq-trigger[aria-expanded="true"] .faq-indicator-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.faq-item.is-open .faq-indicator {
  border-color: var(--petrol);
  color: var(--petrol);
}

.faq-trigger:hover .faq-num,
.faq-trigger:focus-visible .faq-num {
  color: var(--petrol-bright);
}

.faq-trigger:hover .faq-question,
.faq-trigger:focus-visible .faq-question {
  color: #FFFFFF;
}

.faq-trigger:hover .faq-indicator,
.faq-trigger:focus-visible .faq-indicator {
  background-color: var(--petrol);
  border-color: var(--petrol);
  color: #FFFFFF;
}

.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.34s var(--ease-out-expo);
}

.faq-item.is-open .faq-panel {
  grid-template-rows: 1fr;
}

.faq-panel-inner {
  min-height: 0;
  overflow: hidden;
}

.faq-answer {
  padding: 1.1rem clamp(0.85rem, 1.75vw, 1.5rem) 1.4rem calc(56px + 1.5rem + clamp(0.85rem, 1.75vw, 1.5rem));
  background-color: var(--bg-paper-tint);
  border-top: 1px solid var(--rule);
  border-inline-start: 3px solid var(--petrol);
  font-size: clamp(0.95rem, 1.12vw, 1.05rem);
  line-height: 1.58;
  color: var(--ink-secondary);
}

.faq-answer p {
  max-width: 64ch;
}

@media (max-width: 679px) {
  .faq-trigger {
    grid-template-columns: 38px minmax(0, 1fr) 30px;
    gap: 0.75rem;
    padding-inline: 0.75rem;
  }

  .faq-answer {
    padding-inline: 0.85rem;
  }
}

/* ==========================================================================
   7. CONTACT: HUGE EMAIL + LOCATION
   ========================================================================== */

.contact-section {
  background-color: var(--bg-paper);
}

.contact-prompt {
  font-size: clamp(1.85rem, 3.8vw, 3.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.contact-mail-stage {
  padding-block: clamp(1rem, 2.5vw, 2rem);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule-strong);
}

.contact-giant-mail {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  min-height: 64px;
  font-size: clamp(1.6rem, 7vw, 6.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--ink);
  transition: color 0.3s ease;
}

.contact-giant-mail::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 4px;
  background-color: var(--petrol);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.45s var(--ease-out-expo);
}

.contact-giant-mail:hover,
.contact-giant-mail:focus-visible {
  color: var(--petrol);
}

.contact-giant-mail:hover::after,
.contact-giant-mail:focus-visible::after {
  transform: scaleX(1);
}

.mail-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.35s var(--ease-out-expo);
}

.mail-arrow svg {
  width: clamp(24px, 4.5vw, 56px);
  height: clamp(24px, 4.5vw, 56px);
}

.contact-giant-mail:hover .mail-arrow,
.contact-giant-mail:focus-visible .mail-arrow {
  transform: translate3d(6px, -6px, 0);
}

.contact-meta-bar {
  margin-top: clamp(2rem, 4vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3.5rem;
}

.contact-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.contact-meta-label {
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  color: var(--ink-muted);
}

.contact-meta-val {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background-color: var(--bg-paper);
}

.footer-inner {
  padding-block: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 2rem;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-secondary);
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-secondary);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--petrol);
}

/* ==========================================================================
   8. MULTILINGUAL TYPOGRAPHY, SHORT-VIEWPORT FIT & RTL (ARABIC)
   ========================================================================== */

#story-svg text {
  font-family: var(--font-mono);
}

/* Keep taller diacritics and longer words comfortable in TR, AZ, RU */
html:lang(tr) .hero-title,
html:lang(az) .hero-title,
html:lang(ru) .hero-title {
  line-height: 0.98;
}

@media (min-width: 900px) {
  html:lang(tr) .hero-title,
  html:lang(az) .hero-title {
    font-size: clamp(3.9rem, min(8.2vw, 13.8vh), 8.2rem);
    line-height: 0.97;
    max-width: 14.5ch;
  }

  html:lang(ru) .hero-title {
    font-size: clamp(3.6rem, min(7.4vw, 13.2vh), 7.5rem);
    line-height: 0.98;
    max-width: 15.5ch;
  }
}

html:lang(tr) .story-section-title,
html:lang(az) .story-section-title,
html:lang(ru) .story-section-title {
  font-size: clamp(1.55rem, 2.75vw, 2.4rem);
  line-height: 1.12;
}

@media (prefers-reduced-motion: no-preference) {
  html:lang(tr).gsap-story-pinned .story-word,
  html:lang(az).gsap-story-pinned .story-word,
  html:lang(ru).gsap-story-pinned .story-word {
    font-size: clamp(2.85rem, 4.8vw, 4.35rem);
    line-height: 1.04;
  }
}

@media (max-width: 899px) {
  html:lang(tr).gsap-story-pinned .story-word,
  html:lang(az).gsap-story-pinned .story-word,
  html:lang(ru).gsap-story-pinned .story-word {
    font-size: clamp(2.15rem, 9.5vw, 3.1rem);
  }

  html:lang(tr).gsap-story-pinned .story-line,
  html:lang(az).gsap-story-pinned .story-line,
  html:lang(ru).gsap-story-pinned .story-line {
    font-size: 0.9375rem;
    line-height: 1.44;
  }
}

/* Simplified Chinese (zh-Hans): zero negative letter-spacing, balanced CJK line-height */
html:lang(zh-Hans) body,
html:lang(zh) body {
  line-height: 1.68;
}

html:lang(zh-Hans) h1,
html:lang(zh-Hans) h2,
html:lang(zh-Hans) h3,
html:lang(zh) h1,
html:lang(zh) h2,
html:lang(zh) h3 {
  letter-spacing: 0;
}

html:lang(zh-Hans) .hero-title,
html:lang(zh) .hero-title {
  letter-spacing: 0;
  line-height: 1.15;
  max-width: 9.5em;
  font-size: clamp(2.5rem, 10vw, 4.4rem);
}

@media (min-width: 900px) {
  html:lang(zh-Hans) .hero-title,
  html:lang(zh) .hero-title {
    font-size: clamp(3.85rem, min(7.6vw, 13.5vh), 7.6rem);
    line-height: 1.14;
    max-width: 9.5em;
  }
}

html:lang(zh-Hans) .section-title,
html:lang(zh) .section-title {
  letter-spacing: 0;
  line-height: 1.2;
  max-width: 13em;
}

html:lang(zh-Hans) .story-section-title,
html:lang(zh) .story-section-title {
  letter-spacing: 0;
  line-height: 1.2;
  font-size: clamp(1.6rem, 2.9vw, 2.5rem);
}

html:lang(zh-Hans) .story-word,
html:lang(zh) .story-word {
  letter-spacing: 0;
  line-height: 1.12;
}

@media (prefers-reduced-motion: no-preference) {
  html:lang(zh-Hans).gsap-story-pinned .story-word,
  html:lang(zh).gsap-story-pinned .story-word {
    font-size: clamp(3rem, 5.2vw, 4.75rem);
  }
}

html:lang(zh-Hans) .service-title,
html:lang(zh) .service-title,
html:lang(zh-Hans) .faq-question,
html:lang(zh) .faq-question {
  letter-spacing: 0;
  line-height: 1.28;
}

html:lang(zh-Hans) .approach-display,
html:lang(zh) .approach-display {
  letter-spacing: 0;
  line-height: 1.16;
  max-width: 8.5em;
}

html:lang(zh-Hans) .p-title,
html:lang(zh) .p-title,
html:lang(zh-Hans) .contact-prompt,
html:lang(zh) .contact-prompt {
  letter-spacing: 0;
  line-height: 1.22;
}

html:lang(zh-Hans) .hero-sub,
html:lang(zh) .hero-sub,
html:lang(zh-Hans) .planora-one-liner,
html:lang(zh) .planora-one-liner,
html:lang(zh-Hans) .service-scope-text,
html:lang(zh) .service-scope-text,
html:lang(zh-Hans) .faq-answer,
html:lang(zh) .faq-answer {
  max-width: 34em;
  line-height: 1.65;
}

html:lang(zh-Hans) .story-line,
html:lang(zh) .story-line,
html:lang(zh-Hans) .p-copy,
html:lang(zh) .p-copy {
  max-width: 22em;
  line-height: 1.62;
}

/* Arabic (ar): zero letter-spacing everywhere for connected shaping, generous line-height */
html:lang(ar) body {
  line-height: 1.7;
}

html:lang(ar) h1,
html:lang(ar) h2,
html:lang(ar) h3 {
  letter-spacing: 0;
}

html:lang(ar) .nav-link,
html:lang(ar) .nav-toggle,
html:lang(ar) .lang-trigger,
html:lang(ar) .lang-opt-code,
html:lang(ar) .lang-suggest-accept,
html:lang(ar) .mobile-nav-meta,
html:lang(ar) .section-index,
html:lang(ar) .section-tag,
html:lang(ar) .eyebrow,
html:lang(ar) .btn,
html:lang(ar) .hero-meta-bar,
html:lang(ar) .hero-bottom-bar,
html:lang(ar) .story-step-head,
html:lang(ar) .diagram-bar,
html:lang(ar) .service-output,
html:lang(ar) .service-scope-label,
html:lang(ar) .faq-num,
html:lang(ar) .marquee-track,
html:lang(ar) .craft-caption,
html:lang(ar) .p-index,
html:lang(ar) .planora-chip,
html:lang(ar) .planora-status-badge,
html:lang(ar) .portal-eyebrow,
html:lang(ar) .next-strip-tag,
html:lang(ar) .node-badge,
html:lang(ar) .bridge-label,
html:lang(ar) .contact-meta-label,
html:lang(ar) #story-svg text {
  letter-spacing: 0;
  text-transform: none;
}

html:lang(ar) .hero-title {
  letter-spacing: 0;
  line-height: 1.2;
  max-width: 14em;
  font-size: clamp(2.4rem, 9.8vw, 4.25rem);
}

@media (min-width: 900px) {
  html:lang(ar) .hero-title {
    font-size: clamp(3.65rem, min(7.4vw, 13.2vh), 7.25rem);
    line-height: 1.18;
    max-width: 13.5em;
  }
}

html:lang(ar) .section-title {
  letter-spacing: 0;
  line-height: 1.24;
  max-width: 16em;
}

html:lang(ar) .story-section-title {
  letter-spacing: 0;
  line-height: 1.24;
  font-size: clamp(1.55rem, 2.8vw, 2.45rem);
}

html:lang(ar) .story-word {
  letter-spacing: 0;
  line-height: 1.18;
}

@media (prefers-reduced-motion: no-preference) {
  html:lang(ar).gsap-story-pinned .story-word {
    font-size: clamp(2.85rem, 4.9vw, 4.4rem);
  }
}

html:lang(ar) .service-title,
html:lang(ar) .faq-question {
  letter-spacing: 0;
  line-height: 1.32;
}

html:lang(ar) .approach-display {
  letter-spacing: 0;
  line-height: 1.22;
  max-width: 11em;
}

html:lang(ar) .p-title,
html:lang(ar) .contact-prompt {
  letter-spacing: 0;
  line-height: 1.24;
}

html:lang(ar) .hero-sub,
html:lang(ar) .story-line,
html:lang(ar) .service-desc,
html:lang(ar) .service-scope-text,
html:lang(ar) .faq-answer,
html:lang(ar) .approach-sub,
html:lang(ar) .p-copy,
html:lang(ar) .planora-one-liner {
  line-height: 1.68;
}

@media (max-width: 859px) {
  html:lang(ar) .nav-link,
  html:lang(zh-Hans) .nav-link,
  html:lang(zh) .nav-link {
    letter-spacing: 0;
  }
}

/* Short laptop viewport safeguard (e.g. 1536x690, 1366x600) so pinned story never clips */
@media (min-width: 900px) and (max-height: 700px) and (prefers-reduced-motion: no-preference) {
  html.gsap-story-pinned .story-container {
    padding-top: calc(var(--header-h) + 1.5rem);
    padding-bottom: 0.85rem;
  }

  html.gsap-story-pinned .story-header {
    margin-bottom: 1.1rem;
    padding-bottom: 0.65rem;
  }

  html.gsap-story-pinned .story-section-title {
    font-size: clamp(1.45rem, 2.4vw, 2.05rem);
  }

  html.gsap-story-pinned .story-steps {
    min-height: 230px;
  }

  html.gsap-story-pinned .story-word {
    font-size: clamp(2.5rem, 4.2vw, 3.6rem);
    margin-bottom: 0.4rem;
  }

  html.gsap-story-pinned .story-line {
    font-size: 0.96875rem;
    line-height: 1.45;
  }
}

/* Right-to-Left (RTL) structural & directional mirrors */
[dir="rtl"] .skip-link {
  left: auto;
  right: -9999px;
}

[dir="rtl"] .skip-link:focus {
  left: auto;
  right: 1rem;
}

[dir="rtl"] .scroll-progress-bar,
[dir="rtl"] .nav-link::after,
[dir="rtl"] .story-progress-fill,
[dir="rtl"] .contact-giant-mail::after {
  transform-origin: right center;
}

[dir="rtl"] .hero-sub {
  background: linear-gradient(270deg, rgba(243, 241, 236, 0.92), rgba(243, 241, 236, 0.45));
  padding-right: 0;
  padding-left: 0.5rem;
}

[dir="rtl"] .story-step {
  border-left: 1px solid var(--rule);
  border-right: 3px solid var(--petrol);
}

@media (prefers-reduced-motion: no-preference) {
  [dir="rtl"].gsap-story-pinned .story-step {
    border-left: none;
    border-right: 3px solid var(--petrol);
    padding: 0.5rem 1.75rem 0.5rem 0;
  }
}

@media (max-width: 899px) {
  [dir="rtl"].gsap-story-pinned .story-step {
    padding: 0.25rem 1rem 0.25rem 0;
  }
}

/* Keep SVG diagrams un-mirrored per specification */
[dir="rtl"] #story-svg,
[dir="rtl"] .story-mini-svg {
  direction: ltr;
}

[dir="rtl"] .service-row-head:hover .service-num,
[dir="rtl"] .service-row-head:focus-within .service-num {
  transform: translate3d(-6px, 0, 0);
}

[dir="rtl"] .service-row-head:hover .service-main,
[dir="rtl"] .service-row-head:focus-within .service-main {
  transform: translate3d(-8px, 0, 0);
}

@media (max-width: 559px) {
  [dir="rtl"] .service-row-head:hover .service-main,
  [dir="rtl"] .service-row-head:focus-within .service-main {
    transform: none;
  }
}

@keyframes marquee-scroll-rtl {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(50%, 0, 0);
  }
}

[dir="rtl"] .marquee-track {
  animation-name: marquee-scroll-rtl;
}

@media (prefers-reduced-motion: reduce) {
  [dir="rtl"] .marquee-track {
    animation: none;
  }
}

[dir="rtl"] .craft-plate::after {
  right: auto;
  left: -1px;
  background: linear-gradient(225deg, transparent 50%, var(--petrol) 50%);
}

/* ==========================================================================
   REDUCED MOTION ACCESSIBILITY SAFETY
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}