/* ==========================================================================
   Куантум Солюшн — Design system
   Tokens → base → layout → components → sections → utilities
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Colour — navy & teal follow the company profile document */
  --ink: #0a1b2e;
  --navy: #112a46;
  --navy-2: #18365a;
  --paper: #f6f5f1;
  --paper-2: #eceae3;
  --white: #ffffff;

  --accent-light: #0a6b78;   /* teal on light surfaces (AA) */
  --accent-light-hover: #07525c;
  --accent-dark: #45c6d3;    /* teal on dark surfaces (AA) */
  --accent-dark-hover: #7fdbe4;

  /* Contextual (overridden by .theme-dark) */
  --bg: var(--paper);
  --text: var(--ink);
  --muted: #4b5a6b;
  --line: rgba(10, 27, 46, 0.16);
  --line-strong: rgba(10, 27, 46, 0.4);
  --accent: var(--accent-light);
  --accent-hover: var(--accent-light-hover);
  --on-accent: var(--white);
  --focus: var(--accent-light);

  /* Typography */
  --font-display: "Noto Serif Display", "Noto Serif", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", "Noto Sans", "Segoe UI", system-ui, -apple-system, sans-serif;

  --fs-hero: clamp(2.1rem, 1.1rem + 3.7vw, 4.3rem);
  --fs-h1: clamp(2.05rem, 1.25rem + 3.3vw, 4.1rem);
  --fs-h2: clamp(1.7rem, 1.15rem + 2.2vw, 3rem);
  --fs-h3: clamp(1.125rem, 1.04rem + 0.4vw, 1.375rem);
  --fs-editorial: clamp(1.4rem, 1.05rem + 1.45vw, 2.35rem);
  --fs-lead: clamp(1.1rem, 1rem + 0.45vw, 1.35rem);
  --fs-body: clamp(1rem, 0.97rem + 0.12vw, 1.0625rem);
  --fs-small: 0.875rem;
  --fs-eyebrow: 0.78rem;

  --lh-tight: 1.12;
  --lh-snug: 1.3;
  --lh-body: 1.65;

  /* Space & layout */
  --maxw: 1320px;
  --measure: 68ch;
  --pad-x: clamp(1rem, 0.2rem + 4vw, 3.5rem);
  --gutter: clamp(1rem, 0.6rem + 1.6vw, 2rem);
  --space-2xs: 0.375rem;
  --space-xs: 0.625rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: clamp(2rem, 1.5rem + 2vw, 3rem);
  --space-xl: clamp(3rem, 2rem + 4vw, 5.5rem);
  --space-section: clamp(4.5rem, 2.8rem + 6.5vw, 9rem);

  --radius: 2px;
  --header-h: 84px;
  --header-h-scrolled: 64px;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur: 0.35s;
}

.theme-dark {
  --bg: var(--ink);
  --text: #f3f1ea;
  --muted: #a9b6c4;
  --line: rgba(255, 255, 255, 0.16);
  --line-strong: rgba(255, 255, 255, 0.42);
  --accent: var(--accent-dark);
  --accent-hover: var(--accent-dark-hover);
  --on-accent: var(--ink);
  --focus: var(--accent-dark);
}

.theme-light {
  --bg: var(--paper);
  --text: var(--ink);
  --muted: #4b5a6b;
  --line: rgba(10, 27, 46, 0.16);
  --line-strong: rgba(10, 27, 46, 0.4);
  --accent: var(--accent-light);
  --accent-hover: var(--accent-light-hover);
  --on-accent: var(--white);
  --focus: var(--accent-light);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h-scrolled) + 1rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

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

h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }

h1, h2, h3, h4 {
  color: var(--text);
  overflow-wrap: break-word;
  hyphens: auto;
  text-wrap: balance;
}

p, li, dd { text-wrap: pretty; }

a { color: var(--accent); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-hover); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: var(--radius);
}

::selection { background: var(--accent-dark); color: var(--ink); }

ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }

strong { font-weight: 600; }

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

.skip-link {
  position: absolute;
  left: var(--pad-x);
  top: 0;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--accent-dark);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-120%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translateY(0.75rem); color: var(--ink); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: var(--space-lg);
}
.grid-12 > * { grid-column: 1 / -1; min-width: 0; }

@media (min-width: 768px) {
  .md-span-6 { grid-column: span 6; }
  .md-span-8 { grid-column: span 8; }
  .md-span-4 { grid-column: span 4; }
}

@media (min-width: 1024px) {
  .lg-span-3 { grid-column: span 3; }
  .lg-span-4 { grid-column: span 4; }
  .lg-span-5 { grid-column: span 5; }
  .lg-span-6 { grid-column: span 6; }
  .lg-span-7 { grid-column: span 7; }
  .lg-span-8 { grid-column: span 8; }
  .lg-start-5 { grid-column-start: 5; }
  .lg-start-6 { grid-column-start: 6; }
  .lg-start-7 { grid-column-start: 7; }
  .lg-start-8 { grid-column-start: 8; }
  .lg-start-5.lg-span-8 { grid-column: 5 / span 8; }
  .lg-start-6.lg-span-7 { grid-column: 6 / span 7; }
  .lg-start-7.lg-span-6 { grid-column: 7 / span 6; }
  .lg-start-8.lg-span-5 { grid-column: 8 / span 5; }
}

.section {
  position: relative;
  padding-block: var(--space-section);
  background: var(--bg);
  color: var(--text);
}
.section--tint { --bg: var(--paper-2); }
.section--tight { padding-block: var(--space-xl); }
.section + .section:not(.theme-dark):not(.section--tint) { border-top: 1px solid var(--line); }

/* ---------- Typography components ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
  color: var(--accent);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: currentColor;
}

.display-hero,
.display-1,
.display-2 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: var(--lh-tight);
}
.display-hero { font-size: var(--fs-hero); }
.display-1 { font-size: var(--fs-h1); }
.display-2 { font-size: var(--fs-h2); }

.h3 {
  font-family: var(--font-sans);
  font-size: var(--fs-h3);
  font-weight: 600;
  line-height: var(--lh-snug);
  letter-spacing: -0.005em;
}

.lead {
  max-width: 60ch;
  color: var(--muted);
  font-size: var(--fs-lead);
  line-height: 1.55;
}

.editorial {
  font-family: var(--font-display);
  font-size: var(--fs-editorial);
  font-weight: 400;
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--text);
}
.editorial em { font-style: normal; color: var(--accent); }

.prose { max-width: var(--measure); }
.prose > * + * { margin-top: 1.1em; }
.prose p, .prose li { color: var(--text); }
.prose ul { padding-left: 1.2em; }
.prose li + li { margin-top: 0.5em; }

.muted { color: var(--muted); }
.small { font-size: var(--fs-small); }

.section-head { margin-bottom: var(--space-xl); }
.section-head .lead { margin-top: var(--space-md); }

/* ---------- Links & buttons ---------- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.link-arrow::after {
  content: "→";
  transition: transform var(--dur) var(--ease);
}
.link-arrow:hover { color: var(--accent-hover); }
.link-arrow:hover::after { transform: translateX(0.3em); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  min-height: 48px;
  padding: 0.8rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.975rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); color: var(--on-accent); }
.btn--ghost { border-color: var(--line-strong); color: var(--text); background: transparent; }
.btn--ghost:hover { border-color: var(--text); color: var(--text); }
.btn--arrow::after { content: "→"; transition: transform var(--dur) var(--ease); }
.btn--arrow:hover::after { transform: translateX(0.25em); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--ink);
  color: var(--text);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.js .site-header:not(.is-scrolled):not(.menu-open) { background: transparent; }
.site-header.is-scrolled { background: rgba(10, 27, 46, 0.97); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08); }

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  height: var(--header-h);
  transition: height var(--dur) var(--ease);
}
.is-scrolled .header-inner { height: var(--header-h-scrolled); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-right: auto;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}
.brand:hover { color: var(--text); }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-name {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-actions { display: flex; align-items: center; gap: 0.5rem; }

@media (max-width: 419.98px) {
  .header-inner { gap: 0.5rem; }
  .brand { gap: 0.5rem; }
  .brand-mark { width: 28px; height: 28px; }
  .brand-name { font-size: 0.82rem; letter-spacing: 0.04em; }
  .header-actions { gap: 0.25rem; }
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0 0.5rem;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-decoration: none;
}
.lang-switch:hover { color: var(--accent); }

.header-cta { display: none; min-height: 42px; padding: 0.6rem 1.15rem; font-size: 0.9rem; }

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.menu-toggle-bars,
.menu-toggle-bars::before,
.menu-toggle-bars::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.menu-toggle-bars { position: relative; }
.menu-toggle-bars::before,
.menu-toggle-bars::after { content: ""; position: absolute; left: 0; }
.menu-toggle-bars::before { top: -6px; }
.menu-toggle-bars::after { top: 6px; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

/* Nav — base (mobile, no-JS: simple wrapped list) */
.site-nav { order: 3; width: 100%; }
.nav-list { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin: 0; padding: 0; list-style: none; }
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}
.nav-link:hover,
.nav-link[aria-current="page"] { color: var(--accent); }
.nav-item--mega { display: flex; flex-wrap: wrap; align-items: center; }
.mega-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.mega-toggle svg { width: 12px; height: 12px; transition: transform var(--dur) var(--ease); }
.mega-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.mega { display: none; }

html:not(.js) .header-inner { flex-wrap: wrap; height: auto; padding-block: 0.75rem; }

/* Mobile overlay menu (JS) */
@media (max-width: 1023.98px) {
  .js .menu-toggle { display: inline-flex; }
  .js .site-nav {
    position: fixed;
    inset: 0;
    z-index: -1;
    display: flex;
    flex-direction: column;
    padding: calc(var(--header-h) + 1.5rem) var(--pad-x) 2.5rem;
    overflow-y: auto;
    background: var(--ink);
    visibility: hidden;
    opacity: 0;
  }
  /* Fade only on open, so crossing the breakpoint never flashes the overlay */
  .js .site-header.menu-open .site-nav {
    visibility: visible;
    opacity: 1;
    transition: opacity var(--dur) var(--ease);
  }
  .js .nav-list { flex-direction: column; flex-wrap: nowrap; gap: 0; }
  .js .nav-list > li { border-bottom: 1px solid var(--line); }
  .js .nav-link {
    min-height: 64px;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
    font-weight: 400;
  }
  .js .nav-item--mega { justify-content: space-between; }
  .js .mega-toggle { display: inline-flex; width: 48px; height: 48px; }
  .js .nav-item--mega .mega { flex-basis: 100%; }
  .js .nav-item--mega .mega.is-open { display: block; padding-bottom: 1.25rem; }
  .js .mega-intro { display: none; }
  .js .mega-group + .mega-group { margin-top: 1.25rem; }
  .js .mega-group-title { margin-bottom: 0.25rem; color: var(--muted); font-size: var(--fs-eyebrow); letter-spacing: 0.12em; text-transform: uppercase; }
  .js .mega-links a { display: block; padding: 0.55rem 0; color: var(--text); text-decoration: none; }
  .js .mega-links a:hover { color: var(--accent); }
  .js .mega-links .mega-desc { display: none; }
  .nav-mobile-cta { margin-top: 2rem; }
  body.nav-locked { overflow: hidden; }
}

@media (min-width: 1024px) {
  .header-cta { display: inline-flex; }
  html:not(.js) .header-inner { flex-wrap: nowrap; height: var(--header-h); padding-block: 0; }
  .site-nav { order: 0; width: auto; margin-right: 1rem; }
  .nav-list { flex-wrap: nowrap; gap: 0 1.6rem; }
  .nav-link { position: relative; font-size: 0.92rem; }
  .nav-link::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0.7rem;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur) var(--ease);
  }
  .nav-link:hover::after,
  .nav-link[aria-current="page"]::after { transform: scaleX(1); }
  .mega-toggle { display: inline-flex; width: 26px; margin-left: -0.2rem; }
  .nav-mobile-cta { display: none; }

  .mega {
    --text: var(--ink);
    --muted: #4b5a6b;
    --line: rgba(10, 27, 46, 0.14);
    --accent: var(--accent-light);
    --accent-hover: var(--accent-light-hover);
    --focus: var(--accent-light);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    border-top: 1px solid rgba(10, 27, 46, 0.1);
    background: var(--paper);
    color: var(--text);
    box-shadow: 0 30px 60px -30px rgba(10, 27, 46, 0.45);
  }
  .mega.is-open,
  html:not(.js) .nav-item--mega:hover .mega,
  html:not(.js) .nav-item--mega:focus-within .mega { display: block; animation: mega-in 0.25s var(--ease); }
  .mega-inner {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
    padding-block: 2.5rem 3rem;
  }
  .mega-intro { grid-column: span 4; padding-right: 2rem; border-right: 1px solid var(--line); }
  .mega-intro-title { font-family: var(--font-display); font-size: 1.9rem; font-weight: 400; line-height: 1.15; }
  .mega-intro p { margin-block: 1rem 1.5rem; color: var(--muted); font-size: 0.95rem; }
  .mega-group { grid-column: span 4; }
  .mega-group-title {
    margin-bottom: 0.75rem;
    color: var(--accent);
    font-size: var(--fs-eyebrow);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }
  .mega-links { margin: 0; padding: 0; list-style: none; }
  .mega-links a {
    display: block;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--line);
    color: var(--text);
    text-decoration: none;
  }
  .mega-links a:hover .mega-name { color: var(--accent); }
  .mega-name { display: block; font-weight: 600; font-size: 0.95rem; transition: color var(--dur) var(--ease); }
  .mega-desc { display: block; margin-top: 0.15rem; color: var(--muted); font-size: 0.84rem; line-height: 1.45; }
}

@keyframes mega-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Motif (abstract SVG composition) ---------- */
.motif { position: absolute; pointer-events: none; color: var(--accent-dark); }
.motif .m-grid { stroke: rgba(255, 255, 255, 0.07); }
.motif .m-orbit { stroke: rgba(255, 255, 255, 0.22); }
.motif .m-orbit--accent { stroke: currentColor; }
.motif .m-node { fill: currentColor; }
.motif .m-node--soft { fill: rgba(255, 255, 255, 0.55); }

/* ---------- Hero (home) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(3rem, 2rem + 6vw, 8rem));
  padding-bottom: clamp(3rem, 2rem + 4vw, 5.5rem);
  background:
    radial-gradient(120% 90% at 85% 10%, rgba(69, 198, 211, 0.14), transparent 55%),
    linear-gradient(180deg, var(--ink) 0%, var(--navy) 100%);
}
.hero .motif {
  top: 50%;
  right: -18%;
  width: min(900px, 120vw);
  transform: translateY(-50%);
  opacity: 0.55;
}
.hero-content { position: relative; z-index: 1; }
.hero .display-hero { max-width: 21ch; }
.hero .lead { margin-top: var(--space-lg); color: var(--muted); }
.hero .btn-row { margin-top: var(--space-lg); }

.capability-strip {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  margin-top: clamp(3.5rem, 2rem + 6vw, 7rem);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.capability-strip li {
  flex: 1 1 12rem;
  padding: 1.1rem 1.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.capability-strip li::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  margin-right: 0.6rem;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: 0.15em;
}

@media (min-width: 1024px) {
  .hero .motif { right: -6%; width: 760px; opacity: 0.8; }
  .capability-strip li { border-right: 1px solid var(--line); padding: 1.1rem 1.25rem 0; }
  .capability-strip li:first-child { padding-left: 0; }
  .capability-strip li:last-child { border-right: 0; }
}

/* ---------- Page hero (inner) ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(2.5rem, 1.5rem + 4vw, 5.5rem));
  padding-bottom: clamp(3rem, 2rem + 4vw, 6rem);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(69, 198, 211, 0.12), transparent 50%),
    linear-gradient(180deg, var(--ink) 0%, var(--navy) 100%);
}
.page-hero .motif {
  top: -10%;
  right: -30%;
  width: min(640px, 110vw);
  opacity: 0.35;
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero .display-1 { max-width: 20ch; }
.page-hero .lead { margin-top: var(--space-md); }

@media (min-width: 1024px) {
  .page-hero .motif { right: -4%; top: 50%; width: 560px; transform: translateY(-50%); opacity: 0.6; }
}

.breadcrumb { margin-bottom: var(--space-lg); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0; padding: 0; list-style: none; font-size: var(--fs-small); }
.breadcrumb li { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--muted); }
.breadcrumb li + li::before { content: "/"; opacity: 0.6; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: var(--text); }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 17.5rem), 1fr));
  gap: var(--gutter);
  margin: 0;
  padding: 0;
  list-style: none;
}
.card-grid--3 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.6rem 0 0;
  border-top: 1px solid var(--line-strong);
}
.card::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.5s var(--ease);
}
.card:hover::before,
.card:focus-within::before { width: 100%; }
.card-kicker {
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.card-title { margin-bottom: 0.7rem; }
.card-title a { color: var(--text); text-decoration: none; }
.card-title a::after { content: ""; position: absolute; inset: 0; }
.card-text { color: var(--muted); }
.card .link-arrow { margin-top: auto; padding-top: 1.4rem; }
.card:hover .link-arrow::after { transform: translateX(0.3em); }

/* Service groups — editorial index rows */
.service-group { row-gap: var(--space-md); }
.service-group + .service-group { margin-top: var(--space-xl); }
.service-group-head p { max-width: 40ch; margin-top: 0.75rem; color: var(--muted); }
.service-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.service-link {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.4rem 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
}
.service-link::before {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.5s var(--ease);
}
.service-name {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.7rem);
  font-weight: 400;
  line-height: 1.2;
  transition: color var(--dur) var(--ease);
}
.service-desc { grid-column: 1 / -1; color: var(--muted); }
.service-arrow {
  grid-row: 1;
  grid-column: 2;
  align-self: start;
  color: var(--accent);
  font-size: 1.25rem;
  transition: transform var(--dur) var(--ease);
}
.service-link:hover { color: var(--text); }
.service-link:hover .service-name { color: var(--accent); }
.service-link:hover .service-arrow { transform: translateX(0.35rem); }
.service-link:hover::before,
.service-link:focus-visible::before { width: 100%; }
@media (min-width: 1024px) {
  .service-link { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr) auto; align-items: baseline; column-gap: var(--gutter); padding: 1.75rem 0; }
  .service-desc { grid-column: auto; }
  .service-arrow { grid-row: auto; grid-column: auto; }
}

/* Index list (compact linked names) */
.index-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr));
  column-gap: var(--gutter);
  margin: 0;
  padding: 0;
  list-style: none;
}
.index-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line-strong);
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.05rem + 0.4vw, 1.35rem);
  line-height: 1.25;
  text-decoration: none;
}
.index-list a::after { content: "→"; color: var(--accent); font-family: var(--font-sans); font-size: 1rem; transition: transform var(--dur) var(--ease); }
.index-list a:hover { color: var(--accent); }
.index-list a:hover::after { transform: translateX(0.3rem); }

/* ---------- Rows (hairline lists) ---------- */
.rows { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.5rem var(--gutter);
  padding-block: 1.6rem;
  border-bottom: 1px solid var(--line);
}
.row-title { font-weight: 600; font-size: var(--fs-h3); line-height: var(--lh-snug); }
.row-text { color: var(--muted); }
.row-meta { color: var(--muted); font-size: var(--fs-small); }
.row-meta strong { color: var(--text); font-weight: 600; }

.row-lead { color: var(--text); font-size: var(--fs-lead); line-height: 1.5; }
.row--link .row-title { color: var(--text); text-decoration: none; }
.row--link .row-title:hover { color: var(--accent); text-decoration: underline; }

@media (min-width: 768px) {
  .row { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
  .row--3 { grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 4fr); }
  .row--stack,
  .rows--plain .row { grid-template-columns: minmax(0, 1fr); }
}

/* Phase track (approach overview) */
.phase-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
@media (min-width: 560px) { .phase-track { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 900px) {
  .phase-track { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .phase-track--n6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1200px) {
  .phase-track--n6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .phase-track--n7 { grid-template-columns: repeat(7, minmax(0, 1fr)); }
  .phase-track--n6 .phase-text,
  .phase-track--n7 .phase-text { font-size: 0.9rem; }
}
.phase {
  position: relative;
  padding: 1.75rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
}
.phase::before {
  content: "";
  position: absolute;
  top: -5px; left: 0;
  width: 9px; height: 9px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
}
.phase-name { margin-bottom: 0.5rem; font-weight: 600; }
.phase-text { color: var(--muted); font-size: 0.95rem; }

/* Flow (e.g. tracking statuses) */
.flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.flow li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.88rem;
}
.flow li + li::before { content: "→"; margin-left: -0.3rem; color: var(--accent); }

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.tags li,
.tag {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
}
.tags a { color: inherit; text-decoration: none; }
.tags a:hover { color: var(--accent); }

/* Feature list (why us etc.) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
  gap: var(--space-lg) var(--gutter);
  margin: 0;
  padding: 0;
  list-style: none;
}
.feature { padding-top: 1.4rem; border-top: 1px solid var(--line-strong); }
.feature-title { margin-bottom: 0.6rem; }
.feature-text { color: var(--muted); }

/* Check list */
.check-list { display: grid; gap: 0.2rem var(--gutter); margin: 0; padding: 0; list-style: none; }
@media (min-width: 768px) { .check-list--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.check-list li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1.9rem;
  border-bottom: 1px solid var(--line);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 1.2rem;
  width: 0.7rem;
  height: 0.38rem;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* Quote / statement */
.statement { padding-left: clamp(1rem, 0.5rem + 2vw, 2rem); border-left: 2px solid var(--accent); }
.statement-label { margin-bottom: 1rem; color: var(--accent); font-size: var(--fs-eyebrow); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }

/* Definition list */
.def-list { margin: 0; border-top: 1px solid var(--line-strong); }
.def-list > div {
  display: grid;
  gap: 0.25rem var(--gutter);
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--line);
}
.def-list dt { color: var(--muted); font-size: var(--fs-small); }
.def-list dd { margin: 0; }
@media (min-width: 768px) { .def-list > div { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); } }

/* Accordion (native details) */
.accordion { border-top: 1px solid var(--line-strong); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary {
  position: relative;
  display: block;
  padding: 1.35rem 3rem 1.35rem 0;
  font-weight: 600;
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
  cursor: pointer;
  list-style: none;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::before,
.accordion summary::after {
  content: "";
  position: absolute;
  right: 0.4rem;
  top: 50%;
  width: 14px;
  height: 1.5px;
  background: var(--accent);
  transition: transform var(--dur) var(--ease);
}
.accordion summary::after { transform: rotate(90deg); }
.accordion details[open] summary::after { transform: rotate(0deg); }
.accordion summary:hover { color: var(--accent); }
.accordion-body { max-width: var(--measure); padding-bottom: 1.5rem; color: var(--muted); }

/* Matrix table */
.table-wrap { overflow-x: auto; border-top: 1px solid var(--line-strong); -webkit-overflow-scrolling: touch; }
.table-wrap:focus-visible { outline-offset: 0; }
.matrix { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 0.93rem; }
.matrix th, .matrix td { padding: 0.9rem 0.75rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.matrix thead th { color: var(--muted); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; vertical-align: bottom; }
.matrix tbody th { font-weight: 500; }
.matrix td { text-align: center; }
.matrix .dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.matrix .none { color: var(--line-strong); }

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-lg) var(--gutter);
  margin: 0;
  padding: 0;
  list-style: none;
}
.person { padding-top: 1.25rem; border-top: 1px solid var(--line-strong); }
.person-mono {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  margin-bottom: 1.25rem;
  overflow: hidden;
  background: linear-gradient(160deg, var(--navy) 0%, var(--ink) 100%);
  color: #f3f1ea;
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.6rem + 1.5vw, 2.8rem);
  letter-spacing: 0.04em;
}
.person-mono::before {
  content: "";
  position: absolute;
  width: 140%;
  aspect-ratio: 1;
  right: -70%;
  bottom: -70%;
  border: 1px solid rgba(69, 198, 211, 0.45);
  border-radius: 50%;
}
.person-mono::after {
  content: "";
  position: absolute;
  width: 100%;
  aspect-ratio: 1;
  right: -50%;
  bottom: -50%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
}
.person-name { font-weight: 600; font-size: var(--fs-h3); line-height: var(--lh-snug); }
.person-role { margin-top: 0.3rem; color: var(--text); }
.person-edu { margin-top: 0.5rem; color: var(--muted); font-size: var(--fs-small); }

.person--lead { display: grid; gap: var(--gutter); padding-top: 1.5rem; }
@media (min-width: 768px) {
  .person--lead { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: end; }
  .person--lead .person-mono { margin-bottom: 0; }
}

/* Project (case) */
.project { padding-block: var(--space-xl); border-top: 1px solid var(--line-strong); }
.project:first-child { border-top: 0; padding-top: 0; }
.project-title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 1.1rem + 1.3vw, 2.1rem);
  font-weight: 400;
  line-height: 1.2;
}
.project-meta { margin-top: var(--space-md); }
.project-block + .project-block { margin-top: var(--space-lg); }
.project-block h3 { margin-bottom: 0.75rem; }
.project-block ul { margin: 0; padding-left: 1.2em; }
.project-block li + li { margin-top: 0.5em; }
.project-block .tags,
.project-block .flow { padding-left: 0; }
.project-block .tags li + li,
.project-block .flow li + li { margin-top: 0; }

/* Contact */
.contact-card { padding-top: 1.5rem; border-top: 1px solid var(--line-strong); }
.contact-label { margin-bottom: 0.75rem; color: var(--muted); font-size: var(--fs-eyebrow); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
.contact-value { font-family: var(--font-display); font-size: clamp(1.35rem, 1.1rem + 1vw, 2rem); line-height: 1.25; overflow-wrap: anywhere; }
.contact-value a { color: var(--text); text-decoration: none; background-image: linear-gradient(currentColor, currentColor); background-size: 0 1px; background-position: 0 100%; background-repeat: no-repeat; transition: background-size var(--dur) var(--ease); }
.contact-value a:hover { color: var(--accent); background-size: 100% 1px; }
.contact-value--address { font-style: normal; font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem); }
.contact-card .link-arrow { margin-top: 1rem; }

/* ---------- CTA band ---------- */
.cta-band .display-1 { max-width: 18ch; }
.cta-band .lead { margin-top: var(--space-md); }
.cta-band .btn-row { margin-top: var(--space-lg); }
.cta-band-inner { position: relative; }

/* ---------- Footer ---------- */
.site-footer {
  padding-block: var(--space-xl) 2rem;
  background: var(--ink);
  color: var(--text);
}
.footer-top { row-gap: var(--space-lg); }
.footer-brand p { max-width: 36ch; margin-top: 1.25rem; color: var(--muted); font-size: 0.95rem; }
.footer-title { margin-bottom: 1rem; color: var(--muted); font-size: var(--fs-eyebrow); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links li + li { margin-top: 0.35rem; }
.footer-links a { display: inline-block; padding-block: 0.3rem; color: var(--text); font-size: 0.95rem; text-decoration: none; }
.footer-links a:hover { color: var(--accent); }
.footer-contact { font-style: normal; font-size: 0.95rem; }
.footer-contact p + p { margin-top: 0.6rem; }
.footer-contact a { color: var(--text); text-decoration: none; }
.footer-contact a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  margin-top: var(--space-xl);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--fs-small);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--accent); }

@media (min-width: 768px) {
  .footer-brand { grid-column: span 12; }
  .footer-col { grid-column: span 4; }
}
@media (min-width: 1024px) {
  .footer-brand { grid-column: span 4; }
  .footer-col { grid-column: span 2; }
  .footer-col.footer-col--wide { grid-column: span 3; }
}

main:focus { outline: none; }

/* ---------- 404 ---------- */
.notfound { min-height: 100vh; display: flex; align-items: center; }

/* ---------- Utilities ---------- */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.stack > * + * { margin-top: var(--space-md); }
.sticky-col { align-self: start; }
@media (min-width: 1024px) { .sticky-col { position: sticky; top: calc(var(--header-h-scrolled) + 2rem); } }

/* ---------- Reveal on scroll ---------- */
/* Hidden state only once main.js has run, so content never stays invisible */
.js-ready .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.js-ready .reveal.is-visible { opacity: 1; transform: none; }

@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;
  }
  .js-ready .reveal { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .skip-link, .motif, .menu-toggle { display: none !important; }
  .hero, .page-hero { padding-top: 2rem; background: none; color: #000; }
  .theme-dark { --text: #000; --muted: #333; --bg: #fff; }
  .js-ready .reveal { opacity: 1; transform: none; }
}