/* ==========================================================================
   XTSURE — main stylesheet
   1. Tokens          5. Header & navigation   9. Service pages
   2. Base            6. Home sections        10. Forms
   3. Layout          7. Diagrams             11. Footer
   4. Components      8. Inner pages          12. Utilities & motion
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --ink: #12161c;
  --ink-2: #1a2029;
  --ink-3: #242c37;
  --ink-line: #323c49;
  --paper: #f4f6f8;
  --white: #ffffff;
  --line: #dde1e6;
  --line-strong: #c4cad2;

  --text: #12161c;
  --text-2: #475060;
  --text-3: #636c7a;
  --on-dark: #eaeef3;
  --on-dark-2: #a3adbb;
  --on-dark-3: #7d8796;

  --accent: #1a5fd0;
  --accent-hover: #144aa6;
  --accent-bright: #5c9dff;
  --accent-tint: #e9f0fc;

  --danger: #b42318;
  --success: #067647;

  --font: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.25rem;
  --fs-lg: clamp(1.375rem, 1.2rem + 0.6vw, 1.625rem);
  --fs-xl: clamp(1.75rem, 1.35rem + 1.6vw, 2.5rem);
  --fs-2xl: clamp(2.125rem, 1.5rem + 2.6vw, 3.375rem);
  --fs-display: clamp(2.625rem, 1.6rem + 4.4vw, 5rem);

  --wrap: 1240px;
  --gutter: clamp(20px, 4vw, 40px);
  --section: clamp(72px, 9vw, 132px);
  --header-h: 72px;

  --r-s: 3px;
  --r-m: 6px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  font-feature-settings: "ss01" off;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

h3 { font-weight: 700; letter-spacing: -0.012em; }

p { margin: 0 0 1em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }

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

ul, ol { margin: 0; padding: 0; }

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.on-dark :focus-visible, .site-header :focus-visible, .site-footer :focus-visible {
  outline-color: var(--accent-bright);
}

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

.icon {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.25em;
}

/* 3. Layout ---------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section); }
.section--tight { padding-block: calc(var(--section) * 0.7); }
.section--paper { background: var(--paper); }
.section--dark { background: var(--ink); color: var(--on-dark); }
.section--dark-2 { background: var(--ink-2); color: var(--on-dark); }

.section-head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head--split { max-width: none; display: grid; gap: 20px 64px; align-items: end; }
@media (min-width: 860px) { .section-head--split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }

.section-title { font-size: var(--fs-2xl); }
.section-title--md { font-size: var(--fs-xl); }
.section-lead {
  margin-top: 20px;
  font-size: var(--fs-md);
  line-height: 1.55;
  color: var(--text-2);
  max-width: 62ch;
}
@media (min-width: 860px) { .section-head--split .section-lead { margin-top: 0; } }
.on-dark .section-lead, .section--dark .section-lead, .section--dark-2 .section-lead { color: var(--on-dark-2); }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--accent);
}
.kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
}
.section--dark .kicker, .section--dark-2 .kicker, .on-dark .kicker { color: var(--accent-bright); }

.prose { max-width: 68ch; color: var(--text-2); }
.prose h2 { font-size: var(--fs-lg); color: var(--text); margin: 2.2em 0 0.6em; }
.prose h3 { font-size: var(--fs-md); color: var(--text); margin: 1.8em 0 0.5em; }
.prose ul { padding-left: 1.2em; margin: 0 0 1em; }
.prose li { margin-bottom: 0.4em; }
.prose a { color: var(--accent); }

/* 4. Components ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-s);
  font-size: var(--fs-sm);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.btn--accent { background: var(--accent); color: var(--white); }
.btn--accent:hover { background: var(--accent-hover); }
.btn--dark { background: var(--ink); color: var(--white); }
.btn--dark:hover { background: var(--ink-3); }
.btn--ghost { border-color: var(--line-strong); color: var(--text); background: transparent; }
.btn--ghost:hover { border-color: var(--text); }
.btn--ghost-dark { border-color: var(--ink-line); color: var(--on-dark); background: transparent; }
.btn--ghost-dark:hover { border-color: var(--on-dark-2); background: rgba(255, 255, 255, 0.04); }
.btn--lg { min-height: 54px; padding: 14px 28px; font-size: var(--fs-base); }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: progress; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, currentColor 35%, transparent);
}
.text-link:hover { text-decoration-color: currentColor; }
.section--dark .text-link, .section--dark-2 .text-link, .on-dark .text-link { color: var(--accent-bright); }

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--white);
  color: var(--ink);
  font-weight: 700;
  border-radius: var(--r-s);
}
.skip-link:focus { top: 12px; }

.check-list { list-style: none; display: grid; gap: 10px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; }
.check-list .icon { color: var(--accent); margin-top: 0.2em; }
.section--dark .check-list .icon, .on-dark .check-list .icon { color: var(--accent-bright); }

.tag-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-2);
  background: var(--white);
}

/* Assurance Pulse: the connecting line used across the site */
.pulse-strip { background: var(--ink-2); color: var(--on-dark-2); border-top: 1px solid var(--ink-line); }
.pulse-line {
  --pulse-duration: 7s;
  position: relative;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr) auto;
  align-items: center;
  padding-block: 26px;
  font-size: var(--fs-sm);
  font-weight: 600;
}
.pulse-line::before {
  content: "";
  position: absolute;
  left: 4px;
  right: 60px;
  top: 50%;
  height: 1px;
  background: var(--ink-line);
}
.pulse-line li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pulse-line li:not(.pulse-line__end):not(.pulse-line__dot) span { background: var(--ink-2); padding-right: 14px; }
.pulse-line li:not(.pulse-line__end):not(.pulse-line__dot)::before {
  content: "";
  width: 9px;
  height: 9px;
  flex: none;
  border-radius: 50%;
  border: 1.5px solid var(--on-dark-3);
  background: var(--ink-2);
}
.pulse-line__end {
  justify-self: end;
  padding-left: 16px;
  background: var(--ink-2);
  color: var(--on-dark);
  font-weight: 800;
  letter-spacing: 0.14em;
}
.pulse-line__end::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--accent-bright);
  box-shadow: inset 0 0 0 3px var(--ink-2), inset 0 0 0 10px var(--accent-bright);
}
.pulse-line .pulse-line__dot {
  position: absolute;
  top: 50%;
  left: 0;
  width: 56px;
  height: 1px;
  margin-top: 0;
  background: linear-gradient(90deg, transparent, var(--accent-bright));
  animation: pulse-travel var(--pulse-duration) linear infinite;
  pointer-events: none;
}
@keyframes pulse-travel {
  0% { left: 0; opacity: 0; }
  8% { opacity: 1; }
  88% { opacity: 1; }
  100% { left: calc(100% - 130px); opacity: 0; }
}

/* 5. Header & navigation --------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--on-dark);
  border-bottom: 1px solid var(--ink-line);
}
.header-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--white);
  margin-right: auto;
}
.brand-mark { width: 32px; height: 32px; }
.brand-mark__line { stroke: var(--on-dark-3); stroke-width: 1.6; fill: none; }
.brand-mark__node { fill: var(--on-dark-2); }
.brand-mark__ring { fill: none; stroke: var(--accent-bright); stroke-width: 1.8; }
.brand-mark__core { fill: var(--accent-bright); }
.brand-word { font-weight: 800; font-size: 1.125rem; letter-spacing: 0.16em; }

.primary-nav { display: none; }
.nav-list { list-style: none; display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: var(--header-h);
  padding: 0 14px;
  border: 0;
  background: none;
  color: var(--on-dark-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s;
}
.nav-link:hover, .nav-link[aria-expanded="true"] { color: var(--white); }
.nav-link[aria-current="page"], .nav-link.is-active { color: var(--white); }
.nav-link[aria-current="page"]::after, .nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  background: var(--accent-bright);
}
.nav-trigger__icon { width: 16px; height: 16px; transition: transform 0.2s var(--ease); }
.nav-trigger[aria-expanded="true"] .nav-trigger__icon { transform: rotate(180deg); }

.header-cta { display: none; min-height: 42px; padding: 10px 18px; }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--ink-line);
  border-radius: var(--r-s);
  background: none;
  color: var(--on-dark);
  font-size: var(--fs-sm);
  font-weight: 700;
  cursor: pointer;
}
.menu-toggle .icon { width: 20px; height: 20px; }
.menu-toggle__close { display: none; }
.menu-toggle[aria-expanded="true"] .menu-toggle__open { display: none; }
.menu-toggle[aria-expanded="true"] .menu-toggle__close { display: inline; }

/* Mega menu */
.has-mega { position: static; }
.mega {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  display: none;
  background: var(--white);
  color: var(--text);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 24px 48px -24px rgba(18, 22, 28, 0.35);
}
.mega.is-open { display: block; }
html.no-js .has-mega:hover .mega,
html.no-js .has-mega:focus-within .mega { display: block; }
.mega__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  padding-block: 36px 40px;
}
.mega__grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 24px;
}
.mega__link {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: var(--r-s);
  text-decoration: none;
  transition: background-color 0.15s;
}
.mega__link:hover, .mega__link[aria-current="page"] { background: var(--paper); }
.mega__icon { width: 24px; height: 24px; color: var(--accent); margin-top: 2px; }
.mega__text { display: grid; gap: 2px; }
.mega__label { font-weight: 700; font-size: var(--fs-sm); }
.mega__hint { font-size: var(--fs-xs); color: var(--text-3); }
.mega__aside { padding-left: 40px; border-left: 1px solid var(--line); }
.mega__aside-title { font-weight: 800; font-size: var(--fs-md); margin-bottom: 8px; letter-spacing: -0.01em; }
.mega__aside-text { font-size: var(--fs-sm); color: var(--text-2); margin-bottom: 14px; }
.mega__rule { border: 0; border-top: 1px solid var(--line); margin: 24px 0 12px; }
.mega__minor {
  display: block;
  padding: 6px 0;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-2);
  text-decoration: none;
}
.mega__minor:hover { color: var(--accent); }

/* Mobile navigation */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 99;
  overflow-y: auto;
  background: var(--ink);
  border-top: 1px solid var(--ink-line);
}
.mobile-nav[hidden] { display: none; }
.mobile-nav__inner { padding-block: 16px 40px; }
.mobile-nav__list { list-style: none; }
.mobile-nav__list > li { border-bottom: 1px solid var(--ink-line); }
.mobile-nav__list a, .mobile-nav__group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--on-dark);
  text-decoration: none;
  cursor: pointer;
}
.mobile-nav__list a[aria-current="page"] { color: var(--accent-bright); }
.mobile-nav__group summary { list-style: none; }
.mobile-nav__group summary::-webkit-details-marker { display: none; }
.mobile-nav__group summary .icon { transition: transform 0.2s; }
.mobile-nav__group[open] summary .icon { transform: rotate(180deg); }
.mobile-nav__group ul { list-style: none; padding: 0 0 12px 16px; border-left: 1px solid var(--ink-line); margin-bottom: 12px; }
.mobile-nav__group ul a { padding: 9px 0; font-size: var(--fs-base); font-weight: 600; color: var(--on-dark-2); }
.mobile-nav__foot { display: grid; gap: 14px; margin-top: 28px; }
.mobile-nav__contact {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--on-dark-2);
  font-size: var(--fs-sm);
  text-decoration: none;
}

@media (min-width: 1100px) {
  .primary-nav { display: block; }
  .header-cta { display: inline-flex; }
  .menu-toggle, .mobile-nav { display: none !important; }
  .brand { margin-right: 20px; }
  .primary-nav { margin-right: auto; }
}

/* 6. Home sections --------------------------------------------------------- */
.hero {
  position: relative;
  background-color: var(--ink);
  background-image:
    radial-gradient(ellipse 55% 60% at 72% 48%, rgba(92, 157, 255, 0.08), transparent 70%),
    linear-gradient(rgba(92, 157, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 157, 255, 0.04) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  color: var(--on-dark);
  overflow: hidden;
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  padding-block: clamp(56px, 8vw, 112px) clamp(48px, 6vw, 88px);
}
.hero__tagline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--accent-bright);
}
.hero__tagline::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.hero__title {
  font-size: var(--fs-display);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--white);
  max-width: 11ch;
}
.hero__lead {
  margin: 28px 0 36px;
  font-size: var(--fs-md);
  line-height: 1.55;
  color: var(--on-dark-2);
  max-width: 46ch;
}
.hero__promise {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--ink-line);
  list-style: none;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--on-dark);
}
.hero__promise li { display: flex; align-items: center; gap: 10px; }
.hero__promise li + li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-bright);
  margin-right: 12px;
}
.hero__visual { position: relative; }
.hero__visual svg { display: block; width: 100%; height: auto; }

@media (min-width: 960px) {
  .hero__grid { grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); align-items: center; gap: 40px; }
}

/* Hero building diagram */
.bldg-structure { fill: none; stroke: #3a4553; stroke-width: 1.4; }
.bldg-slab { fill: none; stroke: #3a4553; stroke-width: 2.4; }
.bldg-grid line { stroke: #202833; stroke-width: 1; }
.bldg-cable { fill: none; stroke: #4a5667; stroke-width: 1.5; }
.bldg-cable--dash { stroke-dasharray: 3 5; }
.bldg-pulse {
  fill: none;
  stroke: var(--accent-bright);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-dasharray: 5 100;
  stroke-dashoffset: 105;
  animation: bldg-pulse 5.6s linear infinite;
}
.bldg-pulse--2 { animation-delay: 1.3s; }
.bldg-pulse--3 { animation-delay: 1.9s; }
.bldg-pulse--4 { animation-delay: 2.5s; }
.bldg-pulse--5 { animation-delay: 3.1s; }
.bldg-pulse--6 { animation-delay: 0.6s; }
@keyframes bldg-pulse {
  0% { stroke-dashoffset: 105; opacity: 0; }
  6% { opacity: 1; }
  60% { stroke-dashoffset: 0; opacity: 1; }
  66%, 100% { stroke-dashoffset: 0; opacity: 0; }
}
.bldg-node { fill: var(--ink); stroke: var(--on-dark-2); stroke-width: 1.5; }
.bldg-node--key { stroke: var(--accent-bright); }
.bldg-equip { fill: var(--ink-2); stroke: #5a6678; stroke-width: 1.3; }
.bldg-equip-line { stroke: #5a6678; stroke-width: 1.1; }
.bldg-label { fill: var(--on-dark); font-size: 13px; font-weight: 700; font-family: var(--font); }
.bldg-sub { fill: var(--on-dark-3); font-size: 11px; font-weight: 600; font-family: var(--font); }

/* Introduction */
.intro {
  display: grid;
  gap: 32px 72px;
  grid-template-columns: minmax(0, 1fr);
}
.intro__title { font-size: var(--fs-2xl); max-width: 14ch; }
.intro__body { font-size: var(--fs-md); line-height: 1.6; color: var(--text-2); }
.intro__statement {
  margin-top: 36px;
  padding-left: 22px;
  border-left: 3px solid var(--accent);
  font-size: var(--fs-lg);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--text);
}
@media (min-width: 900px) { .intro { grid-template-columns: 5fr 7fr; } }

/* Capability layers */
.layers {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line-strong);
}
.layer {
  position: relative;
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--line);
}
.layer__head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.layer__head .icon { width: 26px; height: 26px; color: var(--accent); }
.layer__title { font-size: var(--fs-md); }
.layer__text { font-size: var(--fs-sm); color: var(--text-2); margin-bottom: 14px; }
.layer__items { list-style: none; font-size: var(--fs-sm); color: var(--text-3); display: grid; gap: 4px; }
.layers__end {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  font-size: var(--fs-sm);
  color: var(--text-2);
}
.layers__end strong { color: var(--text); letter-spacing: 0.14em; font-weight: 800; }
.layers__end::before {
  content: "";
  width: 16px;
  height: 16px;
  flex: none;
  border-radius: 50%;
  border: 2px solid var(--accent);
  box-shadow: inset 0 0 0 3px var(--paper), inset 0 0 0 10px var(--accent);
}
@media (min-width: 720px) {
  .layers { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 40px; }
}
@media (min-width: 1100px) {
  .layers { grid-template-columns: repeat(5, minmax(0, 1fr)); column-gap: 0; border-top: 0; }
  .layer { padding: 34px 28px 8px 0; border-bottom: 0; }
  .layer::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--line-strong);
  }
  .layer::after {
    content: "";
    position: absolute;
    top: -6px;
    left: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    border: 1.5px solid var(--text-3);
    background: var(--paper);
  }
  .layer + .layer { padding-left: 0; }
}

/* Difference section */
.difference { display: grid; gap: 56px; grid-template-columns: minmax(0, 1fr); }
.difference__title { font-size: var(--fs-2xl); color: var(--white); }
.difference__title span { display: block; color: var(--on-dark-3); }
.difference__lead { margin-top: 22px; color: var(--on-dark-2); font-size: var(--fs-md); line-height: 1.55; max-width: 44ch; }
.problems { list-style: none; margin-top: 36px; border-top: 1px solid var(--ink-line); }
.problems li {
  display: grid;
  grid-template-columns: minmax(0, 11rem) minmax(0, 1fr);
  gap: 6px 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ink-line);
  font-size: var(--fs-sm);
}
.problems strong { color: var(--on-dark); font-weight: 700; }
.problems span { color: var(--on-dark-2); }
@media (max-width: 520px) { .problems li { grid-template-columns: 1fr; } }
@media (min-width: 1000px) { .difference { grid-template-columns: 5fr 6fr; gap: 88px; } }

/* Tabs: XTSURE model */
.model__title { font-size: var(--fs-lg); color: var(--white); margin-bottom: 8px; }
.model__intro { color: var(--on-dark-2); font-size: var(--fs-sm); margin-bottom: 28px; }
.model { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
.model__steps { list-style: none; display: grid; gap: 0; position: relative; }
.model__step { position: relative; }
.model__tab {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 14px 18px 14px 0;
  border: 0;
  background: none;
  color: var(--on-dark-3);
  font-weight: 800;
  font-size: var(--fs-base);
  letter-spacing: 0.12em;
  text-align: left;
  cursor: pointer;
  transition: color 0.15s;
}
.model__tab::before {
  content: "";
  position: relative;
  z-index: 1;
  width: 11px;
  height: 11px;
  flex: none;
  border-radius: 50%;
  border: 1.5px solid var(--on-dark-3);
  background: var(--ink);
  transition: border-color 0.15s, background-color 0.15s;
}
.model__step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 34px;
  bottom: -20px;
  width: 1px;
  background: var(--ink-line);
}
.model__tab:hover { color: var(--on-dark); }
.model__tab[aria-selected="true"] { color: var(--white); }
.model__tab[aria-selected="true"]::before { border-color: var(--accent-bright); background: var(--accent-bright); }
.model__panel {
  padding: 28px;
  background: var(--ink-2);
  border: 1px solid var(--ink-line);
  border-top: 2px solid var(--accent-bright);
  min-height: 250px;
}
.model__panel h4 { font-size: var(--fs-md); color: var(--white); margin-bottom: 10px; letter-spacing: -0.01em; }
.model__panel p { color: var(--on-dark-2); font-size: var(--fs-sm); }
.model__panel .check-list { margin-top: 18px; font-size: var(--fs-sm); color: var(--on-dark); }
html.no-js .model__panel[hidden] { display: block; margin-top: 12px; }
@media (min-width: 640px) { .model { grid-template-columns: 200px minmax(0, 1fr); } }

/* Services grid */
.service-grid {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.service-grid > li { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 32px 30px 30px;
  text-decoration: none;
  transition: background-color 0.2s var(--ease);
}
.service-card:hover { background: var(--paper); }
.service-card .icon { width: 30px; height: 30px; color: var(--accent); margin-bottom: 28px; }
.service-card__title { font-size: var(--fs-md); margin-bottom: 10px; }
.service-card__text { font-size: var(--fs-sm); color: var(--text-2); margin-bottom: 22px; }
.service-card__more {
  margin-top: auto;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color 0.2s;
}
.service-card:hover .service-card__more { text-decoration-color: currentColor; }
.service-card--feature { background: var(--ink); color: var(--on-dark); }
.service-card--feature:hover { background: var(--ink-2); }
.service-card--feature .icon, .service-card--feature .service-card__more { color: var(--accent-bright); }
.service-card--feature .service-card__text { color: var(--on-dark-2); }
@media (min-width: 640px) { .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* Assurance lifecycle */
.lifecycle {
  list-style: none;
  counter-reset: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  position: relative;
}
.lifecycle__step {
  position: relative;
  padding: 0 0 36px 44px;
}
.lifecycle__step::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: -6px;
  width: 1px;
  background: var(--line-strong);
}
.lifecycle__step:last-child::before { display: none; }
.lifecycle__marker {
  position: absolute;
  left: 0;
  top: 4px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1.5px solid var(--text-3);
  background: var(--paper);
}
.lifecycle__step:last-child .lifecycle__marker {
  border: 2px solid var(--accent);
  box-shadow: inset 0 0 0 3px var(--paper), inset 0 0 0 10px var(--accent);
}
.lifecycle__num { display: block; font-size: var(--fs-sm); font-weight: 700; color: var(--accent); margin-bottom: 6px; }
.lifecycle__name { font-size: var(--fs-md); letter-spacing: 0.08em; margin-bottom: 8px; }
.lifecycle__text { font-size: var(--fs-sm); color: var(--text-2); max-width: 36ch; }
.lifecycle__loop {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  font-size: var(--fs-sm);
  color: var(--text-2);
}
.lifecycle__loop .icon { color: var(--accent); }
@media (min-width: 1000px) {
  .lifecycle { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .lifecycle__step { padding: 40px 22px 0 0; }
  .lifecycle__step::before { left: 0; right: 0; top: 7px; bottom: auto; width: auto; height: 1px; }
  .lifecycle__step:last-child::before { display: block; right: auto; width: 0; }
  .lifecycle__marker { top: 0; }
}
.section--white .lifecycle__marker { background: var(--white); }

/* Managed services comparison */
.managed { display: grid; gap: 56px; grid-template-columns: minmax(0, 1fr); }
.managed__title { font-size: var(--fs-2xl); color: var(--white); }
.managed__title span { display: block; }
.managed__lead { margin-top: 22px; color: var(--on-dark-2); font-size: var(--fs-md); line-height: 1.55; }
.compare { display: grid; gap: 20px; }
.compare__row {
  padding: 26px 26px 30px;
  border: 1px solid var(--ink-line);
}
.compare__row--xt { border-color: color-mix(in srgb, var(--accent-bright) 55%, var(--ink-line)); background: var(--ink-2); }
.compare__label { font-size: var(--fs-sm); font-weight: 700; color: var(--on-dark-2); margin-bottom: 18px; }
.compare__row--xt .compare__label { color: var(--accent-bright); }
.flow {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 0;
  font-size: var(--fs-xs);
  font-weight: 800;
  letter-spacing: 0.1em;
}
.flow li { display: flex; align-items: center; }
.flow li:not(:last-child)::after {
  content: "";
  width: 22px;
  height: 1px;
  margin-inline: 8px;
  background: currentColor;
  opacity: 0.45;
}
.flow span { padding: 7px 10px; border: 1px solid var(--ink-line); color: var(--on-dark-2); }
.flow--xt span { border-color: var(--ink-line); color: var(--white); background: var(--ink-3); }
.flow--end li:last-child span { border-style: dashed; color: var(--on-dark-3); }
.compare__note { margin-top: 16px; font-size: var(--fs-sm); color: var(--on-dark-2); }
.managed__points { margin-top: 32px; }
@media (min-width: 1000px) { .managed { grid-template-columns: 5fr 6fr; gap: 88px; align-items: center; } }

/* Industries (home) */
.industry-list {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0 56px;
}
.industry-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.industry-list h3 { font-size: var(--fs-base); }
.industry-list p { font-size: var(--fs-sm); color: var(--text-2); }
@media (min-width: 800px) { .industry-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Principles */
.principles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px 48px;
}
.principle { padding-top: 22px; border-top: 2px solid var(--text); }
.principle h3 { font-size: var(--fs-md); margin-bottom: 10px; }
.principle p { font-size: var(--fs-sm); color: var(--text-2); }
@media (min-width: 700px) { .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .principles { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* CTA band */
.cta-band { background: var(--ink-2); color: var(--on-dark); border-bottom: 1px solid var(--ink-line); }
.cta-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px 72px;
  padding-block: clamp(64px, 8vw, 104px);
}
.cta-band__title { font-size: var(--fs-xl); color: var(--white); max-width: 24ch; }
.cta-band__text { margin-top: 18px; color: var(--on-dark-2); max-width: 56ch; }
.cta-band__actions { display: grid; gap: 14px; align-content: center; justify-items: start; }
.cta-band__line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--on-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--fs-sm);
}
.cta-band__line:hover { color: var(--accent-bright); }
.cta-band__actions .btn { margin-bottom: 6px; }
@media (min-width: 900px) { .cta-band__inner { grid-template-columns: minmax(0, 1fr) auto; } }

/* 7. Diagrams -------------------------------------------------------------- */
/* Workplace ecosystem explorer */
.eco {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}
.eco__col-title { font-size: var(--fs-sm); font-weight: 700; color: var(--text-3); margin-bottom: 14px; }
.eco__chain { list-style: none; display: grid; gap: 0; }
.eco__chain li { position: relative; }
.eco__chain li:not(:last-child) { padding-bottom: 14px; }
.eco__chain li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 24px;
  top: 100%;
  height: 0;
  width: 1px;
}
.eco__chain li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 23px;
  bottom: 0;
  height: 14px;
  width: 1px;
  background: var(--line-strong);
}
.eco__node {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-s);
  background: var(--white);
  font-size: var(--fs-sm);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s, color 0.15s;
}
.eco__node .icon { width: 20px; height: 20px; color: var(--text-3); transition: color 0.15s; }
.eco__node:hover { border-color: var(--text); }
.eco__node.is-active { border-color: var(--accent); background: var(--accent-tint); color: var(--accent-hover); }
.eco__node.is-active .icon { color: var(--accent); }
.eco__systems {
  position: relative;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.eco__bus {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-3);
}
.eco__bus::before { content: ""; flex: 0 0 26px; height: 1px; background: var(--line-strong); }
.eco__panel {
  padding: 28px;
  background: var(--ink);
  color: var(--on-dark);
  border-top: 2px solid var(--accent-bright);
  min-height: 240px;
}
.eco__panel-kicker { font-size: var(--fs-xs); font-weight: 700; color: var(--accent-bright); margin-bottom: 10px; }
.eco__panel-title { font-size: var(--fs-lg); color: var(--white); margin-bottom: 12px; }
.eco__panel-text { font-size: var(--fs-sm); color: var(--on-dark-2); }
.eco__panel-link { margin-top: 20px; }
.eco__hint { margin-top: 16px; font-size: var(--fs-xs); color: var(--text-3); }

@media (min-width: 760px) {
  .eco { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); }
  .eco__panel { grid-column: 1 / -1; }
}
@media (min-width: 1140px) {
  .eco { grid-template-columns: 250px minmax(0, 1fr) 340px; gap: 40px; }
  .eco__panel { grid-column: auto; position: sticky; top: calc(var(--header-h) + 24px); }
  .eco__systems-wrap { position: relative; padding-left: 28px; }
  .eco__systems-wrap::before {
    content: "";
    position: absolute;
    left: -40px;
    top: 186px;
    width: 40px;
    height: 1px;
    background: var(--line-strong);
  }
  .eco__systems-wrap::after {
    content: "";
    position: absolute;
    left: 0;
    top: 40px;
    bottom: 22px;
    width: 1px;
    background: var(--line-strong);
  }
  .eco__systems li { position: relative; }
  .eco__systems li:nth-child(odd)::before {
    content: "";
    position: absolute;
    left: -28px;
    top: 50%;
    width: 28px;
    height: 1px;
    background: var(--line-strong);
  }
}

/* 8. Inner pages ----------------------------------------------------------- */
.page-hero {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px 64px;
  padding-block: clamp(36px, 5vw, 56px) clamp(56px, 7vw, 96px);
}
.page-hero__title { font-size: var(--fs-2xl); max-width: 18ch; margin-top: clamp(28px, 4vw, 48px); }
.page-hero__lead { margin-top: 22px; font-size: var(--fs-md); line-height: 1.55; color: var(--text-2); max-width: 54ch; }
.page-hero__statement {
  margin-top: 28px;
  padding-left: 18px;
  border-left: 3px solid var(--accent);
  font-weight: 800;
  font-size: var(--fs-md);
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.page-hero__actions { margin-top: 32px; }
.page-hero__figure {
  align-self: end;
  margin: 0;
  background: var(--white);
  border: 1px solid var(--line);
}
.page-hero__figure img { width: 100%; }
@media (min-width: 1000px) {
  .page-hero__inner--figure { grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr); }
}
.page-hero--dark { background: var(--ink); color: var(--on-dark); border-bottom-color: var(--ink-line); }
.page-hero--dark .page-hero__title { color: var(--white); }
.page-hero--dark .page-hero__lead { color: var(--on-dark-2); }
.page-hero--dark .breadcrumbs, .page-hero--dark .breadcrumbs a { color: var(--on-dark-3); }
.page-hero--dark .breadcrumbs [aria-current] { color: var(--on-dark); }

.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 0; font-size: var(--fs-xs); color: var(--text-3); }
.breadcrumbs li { display: flex; align-items: center; }
.breadcrumbs li + li::before { content: "/"; margin: 0 10px; opacity: 0.6; }
.breadcrumbs a { color: var(--text-3); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); text-decoration: underline; }
.breadcrumbs [aria-current] { color: var(--text); font-weight: 600; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px 72px;
}
.split__title { font-size: var(--fs-xl); }
.split__body { color: var(--text-2); font-size: var(--fs-md); line-height: 1.6; }
.split__body p { max-width: 62ch; }
@media (min-width: 900px) { .split { grid-template-columns: 5fr 7fr; } }

/* Scope groups on service pages */
.scope {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0 48px;
}
.scope__group { padding: 26px 0 30px; border-top: 1px solid var(--line-strong); }
.scope__title { font-size: var(--fs-md); margin-bottom: 6px; }
.scope__text { font-size: var(--fs-sm); color: var(--text-2); margin-bottom: 16px; max-width: 48ch; }
@media (min-width: 800px) { .scope { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Numbered delivery steps */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
}
.steps li { padding: 28px 26px 30px; background: var(--ink); }
.steps__num { display: block; font-size: var(--fs-sm); font-weight: 700; color: var(--accent-bright); margin-bottom: 14px; }
.steps h3 { font-size: var(--fs-md); color: var(--white); margin-bottom: 10px; }
.steps p { font-size: var(--fs-sm); color: var(--on-dark-2); }
@media (min-width: 700px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* Deliverables */
.deliver { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px 72px; }
.deliver__list {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0 32px;
}
.deliver__list li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-sm);
  font-weight: 600;
}
.deliver__list .icon { color: var(--accent); width: 22px; height: 22px; }
@media (min-width: 700px) { .deliver__list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .deliver { grid-template-columns: 4fr 8fr; } }

/* Questions */
.faq { max-width: 860px; border-top: 1px solid var(--line-strong); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  font-size: var(--fs-base);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .icon { color: var(--accent); transition: transform 0.2s var(--ease); margin-top: 2px; }
.faq details[open] summary .icon { transform: rotate(180deg); }
.faq__answer { padding: 0 0 24px; color: var(--text-2); max-width: 70ch; }

/* Related links */
.related { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.related a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--white);
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.15s;
}
.related a:hover { border-color: var(--accent); }
.related .icon { color: var(--accent); width: 24px; height: 24px; }
@media (min-width: 700px) { .related { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* Index of services */
.svc-group { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px 72px; padding-block: 44px; border-top: 1px solid var(--line-strong); }
.svc-group:first-child { border-top: 0; padding-top: 0; }
.svc-group__title { font-size: var(--fs-xl); }
.svc-group__text { margin-top: 12px; color: var(--text-2); max-width: 40ch; }
.svc-rows { list-style: none; }
.svc-rows a {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 4px 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.svc-rows li:first-child a { padding-top: 4px; }
.svc-rows .icon { width: 28px; height: 28px; color: var(--accent); grid-row: span 2; }
.svc-rows strong { font-size: var(--fs-md); }
.svc-rows span { color: var(--text-2); font-size: var(--fs-sm); }
.svc-rows a:hover strong { color: var(--accent); }
@media (min-width: 900px) { .svc-group { grid-template-columns: 4fr 8fr; } }

/* Industries page */
.sector {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px 64px;
  padding-block: 44px;
  border-top: 1px solid var(--line-strong);
}
.sector:first-child { border-top: 0; padding-top: 0; }
.sector__title { font-size: var(--fs-lg); }
.sector__body { color: var(--text-2); }
.sector__needs { margin-top: 18px; }
@media (min-width: 900px) { .sector { grid-template-columns: 4fr 8fr; } }

/* Fit-out timeline (workplace technology) */
.fitout { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); border-top: 1px solid var(--line-strong); }
.fitout li { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px 40px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.fitout__stage { font-weight: 800; font-size: var(--fs-md); letter-spacing: -0.01em; }
.fitout__stage span { display: block; font-size: var(--fs-sm); font-weight: 700; color: var(--accent); margin-bottom: 4px; letter-spacing: 0; }
.fitout p { color: var(--text-2); font-size: var(--fs-sm); }
@media (min-width: 800px) { .fitout li { grid-template-columns: 4fr 8fr; } }

/* Founder */
.founder {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px 64px;
  padding: clamp(28px, 4vw, 48px);
  background: var(--white);
  border: 1px solid var(--line);
}
.founder__name { font-size: var(--fs-xl); }
.founder__role { margin-top: 6px; font-weight: 700; color: var(--accent); }
.founder__text { color: var(--text-2); }
.founder__contact { list-style: none; display: grid; gap: 10px; margin-top: 20px; font-weight: 600; font-size: var(--fs-sm); }
.founder__contact a { display: inline-flex; gap: 10px; align-items: center; text-decoration: none; }
.founder__contact a:hover { color: var(--accent); }
@media (min-width: 900px) { .founder { grid-template-columns: 4fr 8fr; } }

.statement-list { list-style: none; border-top: 1px solid var(--ink-line); }
.statement-list li {
  padding: 22px 0;
  border-bottom: 1px solid var(--ink-line);
  font-size: var(--fs-lg);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--white);
}
.statement-list li:last-child { color: var(--accent-bright); }

/* 9. Service pages --------------------------------------------------------- */
.svc-intro { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px 72px; }
.svc-intro__title { font-size: var(--fs-xl); max-width: 18ch; }
.svc-intro__body { color: var(--text-2); font-size: var(--fs-md); line-height: 1.6; }
@media (min-width: 900px) { .svc-intro { grid-template-columns: 5fr 7fr; } }

/* 10. Forms ---------------------------------------------------------------- */
.contact-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 48px 80px; }
@media (min-width: 1000px) { .contact-layout { grid-template-columns: 4fr 7fr; } }
.contact-aside__block { padding: 22px 0; border-top: 1px solid var(--line); }
.contact-aside__block:first-child { border-top: 0; padding-top: 0; }
.contact-aside__label { font-size: var(--fs-sm); font-weight: 700; color: var(--text-3); margin-bottom: 6px; }
.contact-aside__value { font-size: var(--fs-md); font-weight: 700; }
.contact-aside__value a { text-decoration: none; }
.contact-aside__value a:hover { color: var(--accent); }
.contact-aside p.note { font-size: var(--fs-sm); color: var(--text-2); margin-top: 6px; }

.form {
  padding: clamp(24px, 4vw, 44px);
  background: var(--white);
  border: 1px solid var(--line);
}
.form__title { font-size: var(--fs-lg); margin-bottom: 8px; }
.form__intro { color: var(--text-2); font-size: var(--fs-sm); margin-bottom: 28px; }
.form__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px 20px; }
.form__full { grid-column: 1 / -1; }
@media (min-width: 640px) { .form__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.field { display: grid; gap: 7px; }
.field label { font-size: var(--fs-sm); font-weight: 700; }
.field .optional { font-weight: 500; color: var(--text-3); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-s);
  background: var(--white);
  font-size: 1rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field select {
  appearance: none;
  padding-right: 42px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475060' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6.5 9.5 12 15l5.5-5.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--text-3); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); }
.field__error { font-size: var(--fs-xs); font-weight: 600; color: var(--danger); }
.field__error:empty { display: none; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 28px; }
.form__consent { font-size: var(--fs-xs); color: var(--text-3); max-width: 44ch; margin: 0; }
.form__consent a { color: var(--text-2); }
.form-status {
  margin-top: 24px;
  padding: 16px 18px;
  border-left: 3px solid;
  font-size: var(--fs-sm);
  font-weight: 600;
}
.form-status:empty { display: none; }
.form-status--success { border-color: var(--success); background: #ecf7f1; color: #054f31; }
.form-status--error { border-color: var(--danger); background: #fdf0ef; color: #7a1a12; }

/* 11. Footer --------------------------------------------------------------- */
.site-footer { background: var(--ink); color: var(--on-dark-2); font-size: var(--fs-sm); }
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  padding-block: 64px 48px;
}
.brand--footer { margin: 0 0 20px; }
.footer-tagline { color: var(--on-dark); font-weight: 700; font-size: var(--fs-base); margin-bottom: 4px; }
.footer-promise { color: var(--on-dark-3); font-weight: 600; }
.footer-cols { display: grid; grid-template-columns: minmax(0, 1fr); gap: 36px; }
.footer-heading { font-size: var(--fs-sm); font-weight: 700; color: var(--on-dark); margin-bottom: 16px; letter-spacing: 0; }
.footer-col ul { list-style: none; display: grid; gap: 9px; }
.footer-col a { color: var(--on-dark-2); text-decoration: none; }
.footer-col a:hover { color: var(--white); text-decoration: underline; }
.footer-contact li span { color: var(--on-dark-3); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 32px;
  padding-block: 24px 32px;
  border-top: 1px solid var(--ink-line);
  font-size: var(--fs-xs);
  color: var(--on-dark-3);
}
.footer-bottom p { margin: 0; }
.footer-legal { list-style: none; display: flex; gap: 24px; }
.footer-legal a { color: var(--on-dark-2); text-decoration: none; }
.footer-legal a:hover { color: var(--white); text-decoration: underline; }
@media (min-width: 640px) { .footer-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .footer-top { grid-template-columns: 4fr 8fr; gap: 64px; } }

/* WhatsApp */
.whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 14px;
  border: 1px solid var(--ink-line);
  border-radius: 23px;
  background: var(--ink);
  color: var(--on-dark);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 24px -12px rgba(18, 22, 28, 0.6);
  transition: background-color 0.15s, border-color 0.15s;
}
.whatsapp .icon { width: 20px; height: 20px; color: #3ecf74; }
.whatsapp:hover { background: var(--ink-3); border-color: var(--on-dark-3); }
@media (max-width: 480px) {
  .whatsapp { width: 46px; padding: 0; justify-content: center; }
  .whatsapp__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
}

/* 404 */
.not-found { padding-block: clamp(80px, 12vw, 160px); }
.not-found__code { font-size: var(--fs-sm); font-weight: 700; color: var(--accent); margin-bottom: 16px; }
.not-found h1 { font-size: var(--fs-2xl); max-width: 16ch; }
.not-found p { margin-top: 18px; color: var(--text-2); max-width: 52ch; }
.not-found .btn-row { margin-top: 32px; }

/* 12. Utilities & motion --------------------------------------------------- */
.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;
}
.mt-l { margin-top: clamp(40px, 5vw, 64px); }
.mt-m { margin-top: 32px; }

@media (max-width: 759px) {
  .pulse-line { grid-template-columns: 1fr; gap: 14px; padding-block: 24px; }
  .pulse-line::before { left: 4px; right: auto; top: 30px; bottom: 30px; width: 1px; height: auto; }
  .pulse-line__end { justify-self: start; padding-left: 0; }
  .pulse-line .pulse-line__dot { display: none; }
  .pulse-line li:not(.pulse-line__end):not(.pulse-line__dot) span { padding-right: 0; }
}

@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;
  }
  .bldg-pulse, .pulse-line .pulse-line__dot { display: none; }
}

/* ==========================================================================
   13. Illustration system (v2)
   ========================================================================== */
.iso-art { display: block; width: 100%; height: auto; overflow: visible; }
.iso-flow {
  stroke-dasharray: 7 100;
  stroke-dashoffset: 107;
  animation: iso-flow 4.8s linear infinite;
}
.iso-d1 { animation-delay: 0.8s; }
.iso-d2 { animation-delay: 1.6s; }
.iso-d3 { animation-delay: 2.4s; }
.iso-d4 { animation-delay: 3.2s; }
.iso-d5 { animation-delay: 4s; }
@keyframes iso-flow {
  0% { stroke-dashoffset: 107; opacity: 0; }
  8% { opacity: 1; }
  70% { stroke-dashoffset: 0; opacity: 1; }
  78%, 100% { stroke-dashoffset: 0; opacity: 0; }
}
.iso-blink { animation: iso-blink 2.4s ease-in-out infinite; }
@keyframes iso-blink { 50% { opacity: 0.25; } }
.iso-wave { animation: iso-wave 3s ease-in-out infinite; }
@keyframes iso-wave { 50% { opacity: 0.12; } }
.ring-run { animation: ring-run 10s linear infinite; }
@keyframes ring-run { to { stroke-dashoffset: -1068; } }

.blueprint {
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(92, 157, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 157, 255, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
}

.badge-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: var(--r-m);
  background: var(--ink);
  color: var(--accent-bright);
  flex: none;
}
.badge-icon .icon { width: 24px; height: 24px; }

/* Page hero: dark, blueprint grid, large illustration */
.page-hero {
  position: relative;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(92, 157, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 157, 255, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--on-dark);
  border-bottom: 1px solid var(--ink-line);
  overflow: hidden;
}
.page-hero .page-hero__title { color: var(--white); }
.page-hero .page-hero__lead { color: var(--on-dark-2); }
.page-hero .page-hero__statement { color: var(--white); border-left-color: var(--accent-bright); }
.page-hero .breadcrumbs, .page-hero .breadcrumbs a { color: var(--on-dark-3); }
.page-hero .breadcrumbs a:hover { color: var(--accent-bright); }
.page-hero .breadcrumbs [aria-current] { color: var(--on-dark); }
.page-hero__inner { align-items: center; }
.page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 7px 14px 7px 10px;
  border: 1px solid var(--ink-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--on-dark);
}
.page-hero__eyebrow .icon { color: var(--accent-bright); width: 18px; height: 18px; }
.page-hero__eyebrow + .page-hero__title { margin-top: 20px; }
.page-hero__art { position: relative; margin-inline: -8px; }
.page-hero__art::before {
  content: "";
  position: absolute;
  inset: 12% 8%;
  background: radial-gradient(closest-side, rgba(92, 157, 255, 0.10), transparent);
  pointer-events: none;
}
.page-hero__art .iso-art { position: relative; max-height: 520px; }
@media (min-width: 1000px) {
  .page-hero--art .page-hero__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); }
  .page-hero--art .page-hero__inner { padding-bottom: clamp(48px, 5vw, 72px); }
}

/* Scope strip under service hero */
.glance { border-top: 1px solid var(--ink-line); background: rgba(26, 32, 41, 0.85); }
.glance__list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.glance__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 20px 20px 20px 0;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--on-dark);
}
.glance__num { font-size: var(--fs-xs); color: var(--accent-bright); }
@media (min-width: 900px) {
  .glance__list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .glance__item + .glance__item { padding-left: 24px; border-left: 1px solid var(--ink-line); }
}

/* Scope cards */
.scope-cards { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.scope-card {
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 3vw, 36px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.scope-card:hover { border-color: var(--line-strong); box-shadow: 0 18px 40px -28px rgba(18, 22, 28, 0.45); }
.scope-card__head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; }
.scope-card__num { font-size: var(--fs-sm); font-weight: 800; color: var(--line-strong); }
.scope-card__title { font-size: var(--fs-lg); margin-bottom: 8px; }
.scope-card__text { font-size: var(--fs-sm); color: var(--text-2); margin-bottom: 20px; }
.scope-card__items {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-sm);
  font-weight: 600;
}
.scope-card__items li { display: flex; gap: 8px; align-items: flex-start; }
.scope-card__items .icon { color: var(--accent); width: 16px; height: 16px; margin-top: 3px; }
@media (min-width: 800px) { .scope-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px) { .scope-card__items { grid-template-columns: 1fr; } }

/* Delivery timeline */
.timeline { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; position: relative; }
.timeline__step { position: relative; padding: 0 0 36px 72px; }
.timeline__step::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 1px;
  background: var(--ink-line);
}
.timeline__step:last-child::before { display: none; }
.timeline__node {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-bright);
  background: var(--ink);
  font-size: var(--fs-sm);
  font-weight: 800;
  color: var(--accent-bright);
  z-index: 1;
}
.timeline__step:last-child .timeline__node { background: var(--accent-bright); color: var(--ink); }
.timeline__title { font-size: var(--fs-md); color: var(--white); margin: 10px 0 10px; }
.timeline__text { font-size: var(--fs-sm); color: var(--on-dark-2); max-width: 40ch; }
@media (min-width: 1000px) {
  .timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .timeline::before {
    content: "";
    position: absolute;
    left: 24px;
    right: 12%;
    top: 24px;
    height: 1px;
    background: var(--ink-line);
  }
  .timeline::after {
    content: "";
    position: absolute;
    top: 23px;
    left: 24px;
    width: 80px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-bright));
    animation: timeline-run 6s linear infinite;
  }
  .timeline__step { padding: 80px 28px 0 0; }
  .timeline__step::before { display: none; }
}
@keyframes timeline-run {
  0% { left: 24px; opacity: 0; }
  10% { opacity: 1; }
  85% { opacity: 1; }
  100% { left: 78%; opacity: 0; }
}

/* Handover pack */
.pack { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px 72px; align-items: center; }
.pack__art {
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--r-m);
}
.pack__art { background-color: var(--ink); background-image: linear-gradient(rgba(92,157,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(92,157,255,.045) 1px, transparent 1px); background-size: 32px 32px; }
.pack .deliver__list { grid-template-columns: minmax(0, 1fr); }
@media (min-width: 640px) { .pack .deliver__list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .pack { grid-template-columns: 5fr 6fr; } }

/* FAQ layout */
.faq-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px 72px; }
@media (min-width: 1000px) { .faq-layout { grid-template-columns: 4fr 7fr; } }

/* Related services with art */
.related-cards { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.related-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
  text-decoration: none;
  background: var(--white);
  transition: border-color 0.2s, transform 0.2s var(--ease);
}
.related-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.related-card__art { display: block; padding: 20px 24px; background: var(--ink); }
.related-card__art .iso-art { height: 170px; }
.related-card__body { display: grid; gap: 6px; padding: 22px 24px 26px; }
.related-card__body strong { font-size: var(--fs-md); }
.related-card__body span { font-size: var(--fs-sm); color: var(--text-2); }
@media (min-width: 760px) { .related-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* Home: interactive layers */
.layers-split { display: grid; grid-template-columns: minmax(0, 1fr); gap: 48px 72px; align-items: center; }
.layers-art .iso-layer { transition: opacity 0.3s var(--ease); }
.layers-art.has-active .iso-layer { opacity: 0.28; }
.layers-art.has-active .iso-layer.is-active { opacity: 1; }
.layer-list { list-style: none; border-top: 1px solid var(--ink-line); }
.layer-btn {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 18px;
  width: 100%;
  padding: 20px 0;
  border: 0;
  border-bottom: 1px solid var(--ink-line);
  background: none;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.layer-btn .badge-icon { grid-row: span 2; width: 44px; height: 44px; background: var(--ink-2); border: 1px solid var(--ink-line); transition: border-color .2s, background-color .2s; }
.layer-btn__title { font-size: var(--fs-md); font-weight: 800; color: var(--white); letter-spacing: -0.01em; }
.layer-btn__text { font-size: var(--fs-sm); color: var(--on-dark-2); }
.layer-btn.is-active .badge-icon, .layer-btn:hover .badge-icon { border-color: var(--accent-bright); background: #16243a; }
.layers-end { display: flex; align-items: center; gap: 14px; margin-top: 24px; color: var(--on-dark-2); font-size: var(--fs-sm); }
.layers-end strong { color: var(--white); letter-spacing: 0.14em; }
@media (min-width: 1000px) { .layers-split { grid-template-columns: 6fr 5fr; } }

/* Industry cards */
.ind-grid { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.ind-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--white);
}
.ind-card__art { padding: 22px 28px; background: var(--ink); }
.ind-card__art .iso-vignette { display: block; width: 100%; height: 150px; }
.ind-card__body { padding: 22px 24px 26px; }
.ind-card__body h3 { font-size: var(--fs-base); margin-bottom: 6px; }
.ind-card__body p { font-size: var(--fs-sm); color: var(--text-2); }
.ind-card--more { background: var(--accent); color: var(--white); border-color: var(--accent); justify-content: space-between; padding: 28px; text-decoration: none; transition: background-color .2s; }
.ind-card--more:hover { background: var(--accent-hover); }
.ind-card--more strong { font-size: var(--fs-lg); letter-spacing: -0.01em; line-height: 1.25; }
.ind-card--more span { font-weight: 700; font-size: var(--fs-sm); }
@media (min-width: 640px) { .ind-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .ind-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* Principle icons */
.principle .badge-icon { margin-bottom: 20px; }
.principle--icon { border-top: 0; padding: 30px; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-m); }

/* Sector rows with art (Industries page) */
.sector-art { padding: 20px; background: var(--ink); border-radius: var(--r-m); max-width: 360px; }
.sector-art .iso-vignette { display: block; width: 100%; height: auto; }

/* Services index cards */
.svc-group.svc-group--stack { grid-template-columns: minmax(0, 1fr); }
.svc-cards { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
@media (min-width: 700px) { .svc-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .svc-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* Name mark (About) */
.name-mark { display: grid; grid-template-columns: auto auto; gap: 0 clamp(16px, 3vw, 32px); align-items: end; justify-content: start; margin-top: 36px; }
.name-mark__part { font-size: clamp(3.5rem, 2rem + 6vw, 7rem); font-weight: 800; letter-spacing: 0.04em; line-height: 0.9; color: var(--white); }
.name-mark__part--sure { color: var(--accent-bright); }
.name-mark__cap { padding-top: 14px; margin-top: 14px; border-top: 1px solid var(--ink-line); font-size: var(--fs-sm); color: var(--on-dark-2); max-width: 22ch; }

/* Approach ring */
.ring-split { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px 72px; align-items: center; }
.ring-split .iso-art--ring { max-width: 560px; margin-inline: auto; }
@media (min-width: 1000px) { .ring-split { grid-template-columns: 6fr 5fr; } }

@media (prefers-reduced-motion: reduce) {
  .iso-flow, .timeline::after { display: none; }
  .iso-blink, .iso-wave, .ring-run { animation: none; }
}

@media print {
  .site-header, .whatsapp, .cta-band, .site-footer { display: none; }
  body { color: #000; }
}