/* ZechenTech INC — shared website styles */
:root {
  --ink-950: #071321;
  --ink-900: #0b1a2e;
  --ink-800: #132641;
  --ink-700: #263b57;
  --ink-600: #496078;
  --ink-500: #65788d;
  --line: #dce4ee;
  --line-strong: #c7d2df;
  --surface: #ffffff;
  --surface-soft: #f5f8fc;
  --surface-tint: #edf3ff;
  --brand: #315cf4;
  --brand-dark: #2143c6;
  --brand-light: #6f8cff;
  --accent: #24c7b6;
  --accent-dark: #0d776e;
  --success: #16865f;
  --warning-bg: #fff8df;
  --warning-text: #7b5710;
  --white: #ffffff;
  --shadow-sm: 0 8px 24px rgba(11, 26, 46, 0.07);
  --shadow-md: 0 18px 48px rgba(11, 26, 46, 0.12);
  --shadow-brand: 0 16px 36px rgba(49, 92, 244, 0.25);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --container: 1180px;
  --header-height: 76px;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Noto Sans SC", "PingFang SC", Arial, sans-serif;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink-800);
  background: var(--surface);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

a {
  color: inherit;
}

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

button,
a,
select {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink-950);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

p:last-child {
  margin-bottom: 0;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid rgba(49, 92, 244, 0.42);
  outline-offset: 3px;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink-950);
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 104px 0;
  scroll-margin-top: calc(var(--header-height) + 20px);
}

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

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

.section-kicker,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  color: var(--brand-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-kicker::before,
.eyebrow::before {
  width: 24px;
  height: 2px;
  content: "";
  background: currentColor;
  border-radius: 2px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 52px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading.centered .section-kicker {
  justify-content: center;
}

.section-heading h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.section-heading p {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--ink-600);
  font-size: 1.06rem;
}

.section-heading.centered p {
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(220, 228, 238, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 8px 24px rgba(11, 26, 46, 0.07);
}

.nav-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  color: var(--ink-950);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 7px 18px rgba(11, 26, 46, 0.16);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-name {
  font-size: 0.98rem;
}

.brand-tagline {
  color: var(--ink-500);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  min-width: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 10px;
  color: var(--ink-700);
  border-radius: 8px;
  font-size: 0.89rem;
  font-weight: 700;
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.is-active,
.nav-link[aria-current="page"],
.nav-link[aria-current="location"] {
  color: var(--brand-dark);
  background: var(--surface-tint);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.language-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.language-wrap::before {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  pointer-events: none;
  content: "";
  background: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23496078' stroke-width='1.8'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M3 12h18M12 3c2.6 2.5 4 5.5 4 9s-1.4 6.5-4 9c-2.6-2.5-4-5.5-4-9s1.4-6.5 4-9Z'/%3E%3C/svg%3E");
}

.language-select {
  min-height: 42px;
  padding: 0 34px 0 36px;
  color: var(--ink-700);
  background: var(--surface) no-repeat right 12px center / 12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='m1 1 5 5 5-5' fill='none' stroke='%23496078' stroke-width='1.7' stroke-linecap='round'/%3E%3C/svg%3E");
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  appearance: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.language-select:hover {
  border-color: var(--brand-light);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--ink-900);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--brand);
  box-shadow: var(--shadow-brand);
}

.button-primary:hover {
  background: var(--brand-dark);
}

.button-secondary {
  color: var(--ink-900);
  background: var(--white);
  border-color: var(--line-strong);
}

.button-secondary:hover {
  color: var(--brand-dark);
  border-color: var(--brand-light);
  box-shadow: var(--shadow-sm);
}

.button-dark {
  color: var(--white);
  background: var(--ink-950);
}

.button-dark:hover {
  background: var(--ink-800);
  box-shadow: var(--shadow-md);
}

.button-arrow {
  width: 17px;
  height: 17px;
  transition: transform var(--transition);
}

.button:hover .button-arrow {
  transform: translateX(3px);
}

/* Home hero */
.hero {
  position: relative;
  isolation: isolate;
  min-height: min(820px, calc(100vh - var(--header-height)));
  overflow: hidden;
  color: var(--white);
  background: var(--ink-950);
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    radial-gradient(circle at 12% 18%, rgba(49, 92, 244, 0.4), transparent 36%),
    radial-gradient(circle at 84% 72%, rgba(36, 199, 182, 0.2), transparent 32%),
    linear-gradient(125deg, #071321 22%, #0d203a 74%, #0b2540);
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to right, black, transparent 88%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(380px, 0.94fr);
  align-items: center;
  gap: 72px;
  min-height: min(820px, calc(100vh - var(--header-height)));
  padding: 92px 0 108px;
}

.hero-copy {
  max-width: 720px;
}

.hero .eyebrow {
  color: #9fb2ff;
}

.hero h1 {
  max-width: 800px;
  margin-bottom: 26px;
  color: var(--white);
  font-size: clamp(3rem, 6vw, 5.55rem);
  letter-spacing: -0.058em;
}

.hero-description {
  max-width: 670px;
  margin-bottom: 34px;
  color: #c6d2e1;
  font-size: clamp(1.06rem, 2vw, 1.28rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.hero .button-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.28);
}

.hero .button-secondary:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.6);
}

.delivery-board {
  position: relative;
  width: 100%;
  padding: 24px;
  color: var(--ink-800);
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: var(--radius-lg);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.32);
  transform: rotate(1.5deg);
}

.delivery-board::before {
  position: absolute;
  top: -28px;
  right: -26px;
  z-index: -1;
  width: 132px;
  height: 132px;
  content: "";
  background: var(--accent);
  border-radius: 34px;
  opacity: 0.2;
  transform: rotate(12deg);
}

.board-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.board-label {
  color: var(--ink-500);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.board-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--success);
  font-size: 0.75rem;
  font-weight: 800;
}

.board-status::before {
  width: 8px;
  height: 8px;
  content: "";
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(36, 199, 182, 0.15);
}

.board-title {
  margin: 24px 0 22px;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.board-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 22px;
}

.board-step {
  position: relative;
  z-index: 1;
  min-width: 0;
  padding: 14px 8px;
  text-align: center;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.board-step.is-current {
  color: var(--white);
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 10px 24px rgba(49, 92, 244, 0.22);
}

.board-step-number {
  display: block;
  margin-bottom: 3px;
  color: var(--ink-500);
  font-size: 0.67rem;
  font-weight: 800;
}

.board-step.is-current .board-step-number {
  color: #cfdaff;
}

.board-step-name {
  display: block;
  overflow: hidden;
  font-size: 0.69rem;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.board-note {
  padding: 14px;
  background: var(--surface-tint);
  border-radius: 12px;
}

.board-note strong,
.board-note span {
  display: block;
}

.board-note strong {
  margin-bottom: 3px;
  color: var(--ink-900);
  font-size: 0.79rem;
}

.board-note span {
  color: var(--ink-600);
  font-size: 0.68rem;
  line-height: 1.45;
}

.hero-proof {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 16, 29, 0.44);
  backdrop-filter: blur(12px);
}

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

.proof-item {
  padding: 20px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.proof-item:first-child {
  padding-left: 0;
}

.proof-item:last-child {
  border-right: 0;
}

.proof-item strong,
.proof-item span {
  display: block;
}

.proof-item strong {
  margin-bottom: 3px;
  color: var(--white);
  font-size: 0.88rem;
}

.proof-item span {
  color: #9fadc0;
  font-size: 0.76rem;
}

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  padding: 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card::after {
  position: absolute;
  right: -42px;
  bottom: -48px;
  width: 120px;
  height: 120px;
  content: "";
  background: var(--surface-tint);
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition);
}

.service-card:hover {
  border-color: #b9c8ff;
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.service-card:hover::after {
  background: #e1e9ff;
  transform: scale(1.15);
}

.service-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 30px;
  color: var(--brand-dark);
  background: var(--surface-tint);
  border-radius: 12px;
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.service-card p {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  color: var(--ink-600);
  font-size: 0.93rem;
}

/* Expertise */
.expertise-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: stretch;
  gap: 28px;
}

.expertise-intro {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 530px;
  padding: 48px;
  color: var(--white);
  background:
    radial-gradient(circle at 88% 15%, rgba(36, 199, 182, 0.25), transparent 28%),
    linear-gradient(145deg, var(--ink-950), #102b4c);
  border-radius: var(--radius-lg);
}

.expertise-intro .section-kicker {
  color: #9fb2ff;
}

.expertise-intro h2 {
  max-width: 520px;
  margin-bottom: 20px;
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.expertise-intro p {
  max-width: 520px;
  color: #becbdc;
  font-size: 1.02rem;
}

.principle-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 36px;
}

.principle-chip {
  padding: 9px 13px;
  color: #dce6f3;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-pill);
  font-size: 0.77rem;
  font-weight: 700;
}

.capability-list {
  display: grid;
  gap: 14px;
}

.capability-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  align-items: start;
  padding: 27px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.capability-item:hover {
  border-color: #b9c8ff;
  box-shadow: var(--shadow-sm);
}

.capability-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  color: var(--brand);
  background: var(--surface-tint);
  border-radius: 14px;
}

.capability-icon svg {
  width: 25px;
  height: 25px;
}

.capability-item h3 {
  margin: 2px 0 8px;
  font-size: 1.08rem;
}

.capability-item p {
  margin: 0;
  color: var(--ink-600);
  font-size: 0.9rem;
}

/* Process */
.process-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.process-grid::before {
  position: absolute;
  top: 27px;
  right: 12.5%;
  left: 12.5%;
  height: 1px;
  content: "";
  background: var(--line-strong);
}

.process-step {
  position: relative;
  z-index: 1;
  padding: 0 18px;
  text-align: center;
}

.process-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 22px;
  color: var(--brand-dark);
  background: var(--white);
  border: 1px solid #b9c8ff;
  border-radius: 50%;
  box-shadow: 0 0 0 8px var(--surface-soft);
  font-size: 0.78rem;
  font-weight: 900;
}

.process-step h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.process-step p {
  margin: 0;
  color: var(--ink-600);
  font-size: 0.9rem;
}

/* Product feature */
.product-showcase {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  align-items: stretch;
  overflow: hidden;
  background: var(--ink-950);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.product-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 25%, rgba(111, 140, 255, 0.55), transparent 35%),
    linear-gradient(145deg, #183bcb, #315cf4 48%, #14309f);
}

.product-visual::before,
.product-visual::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
}

.product-visual::before {
  width: 310px;
  height: 310px;
}

.product-visual::after {
  width: 230px;
  height: 230px;
}

.product-glyph {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 150px;
  height: 150px;
  color: var(--white);
  background: rgba(7, 19, 33, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 38px;
  box-shadow: 0 28px 54px rgba(7, 19, 33, 0.28);
  backdrop-filter: blur(12px);
}

.product-glyph svg {
  width: 78px;
  height: 78px;
}

.product-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 58px;
}

.status-badge {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 8px 12px;
  color: #c9fff7;
  background: rgba(36, 199, 182, 0.12);
  border: 1px solid rgba(36, 199, 182, 0.3);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 800;
}

.status-badge::before {
  width: 7px;
  height: 7px;
  content: "";
  background: var(--accent);
  border-radius: 50%;
}

.product-copy h3 {
  margin-bottom: 16px;
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.product-copy p {
  max-width: 570px;
  margin-bottom: 28px;
  color: #bac8db;
  font-size: 1.02rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 9px;
  color: #b9c8ff;
  font-size: 0.91rem;
  font-weight: 800;
  text-decoration: none;
}

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

.text-link svg {
  width: 17px;
  height: 17px;
  transition: transform var(--transition);
}

.text-link:hover svg {
  transform: translateX(3px);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 76px;
  align-items: center;
}

.about-copy h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.about-copy > p {
  margin-bottom: 28px;
  color: var(--ink-600);
  font-size: 1.05rem;
}

.value-list {
  display: grid;
  gap: 14px;
}

.value-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 13px;
  align-items: start;
}

.value-check {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-top: 1px;
  color: var(--accent-dark);
  background: #dcfaf5;
  border-radius: 50%;
}

.value-check svg {
  width: 15px;
  height: 15px;
}

.value-item strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-900);
  font-size: 0.94rem;
}

.value-item span {
  display: block;
  color: var(--ink-600);
  font-size: 0.87rem;
}

.company-card {
  position: relative;
  overflow: hidden;
  padding: 40px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.company-card::after {
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 190px;
  height: 190px;
  content: "";
  background: var(--surface-tint);
  border-radius: 50%;
}

.company-card-logo {
  width: 62px;
  height: 62px;
  margin-bottom: 30px;
  border-radius: 17px;
  box-shadow: var(--shadow-sm);
}

.company-card h3 {
  position: relative;
  z-index: 1;
  margin-bottom: 8px;
  font-size: 1.35rem;
}

.company-card > p {
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
  color: var(--ink-600);
}

.company-detail {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 8px 14px;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
  font-size: 0.86rem;
}

.company-detail dt {
  color: var(--ink-500);
  font-weight: 700;
}

.company-detail dd {
  margin: 0;
  color: var(--ink-800);
  font-weight: 700;
}

/* Contact */
.contact-section {
  padding: 0 0 104px;
}

.contact-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  overflow: hidden;
  padding: 64px;
  color: var(--white);
  background:
    radial-gradient(circle at 88% 22%, rgba(36, 199, 182, 0.3), transparent 28%),
    linear-gradient(130deg, #2143c6, var(--brand) 55%, #1938ad);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-brand);
}

.contact-panel::before {
  position: absolute;
  top: -120px;
  right: -80px;
  width: 300px;
  height: 300px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
}

.contact-panel-copy {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.contact-panel .section-kicker {
  color: #d5deff;
}

.contact-panel h2 {
  margin-bottom: 16px;
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.1rem);
}

.contact-panel p {
  margin: 0;
  color: #e5eaff;
  font-size: 1.03rem;
}

.contact-panel .button {
  position: relative;
  z-index: 1;
  min-width: 190px;
}

/* Footer */
.site-footer {
  padding: 68px 0 28px;
  color: #b9c6d6;
  background: var(--ink-950);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.62fr 0.62fr 1fr;
  gap: 44px;
  padding-bottom: 52px;
}

.footer-brand .brand {
  margin-bottom: 18px;
  color: var(--white);
}

.footer-brand .brand-tagline {
  color: #8fa0b4;
}

.footer-summary {
  max-width: 340px;
  margin-bottom: 0;
  color: #95a6ba;
  font-size: 0.9rem;
}

.footer-column h3 {
  margin-bottom: 17px;
  color: var(--white);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: #aebccd;
  font-size: 0.88rem;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-contact {
  font-style: normal;
}

.footer-contact p {
  margin-bottom: 10px;
  color: #aebccd;
  font-size: 0.88rem;
}

.footer-contact a {
  color: var(--white);
  text-decoration: none;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #7f90a4;
  font-size: 0.78rem;
}

.footer-bottom p {
  margin: 0;
}

.footer-registration {
  text-align: right;
}

.back-to-top {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 80;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: var(--white);
  background: var(--ink-900);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
}

.back-to-top:hover {
  background: var(--brand);
  transform: translateY(-3px);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* Software page */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 104px 0 96px;
  color: var(--white);
  background: var(--ink-950);
}

.page-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 15% 20%, rgba(49, 92, 244, 0.42), transparent 34%),
    radial-gradient(circle at 88% 72%, rgba(36, 199, 182, 0.2), transparent 28%);
}

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

.page-hero .eyebrow {
  color: #9fb2ff;
}

.page-hero h1 {
  max-width: 820px;
  margin-bottom: 22px;
  color: var(--white);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  letter-spacing: -0.055em;
}

.page-hero p {
  max-width: 660px;
  margin-bottom: 0;
  color: #c4d0df;
  font-size: clamp(1.05rem, 2vw, 1.24rem);
}

.catalog-section {
  padding: 96px 0 108px;
}

.catalog-card {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1.22fr);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.catalog-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 500px;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.2), transparent 24%),
    linear-gradient(145deg, #173dce, var(--brand) 58%, #2547c4);
}

.catalog-visual::before,
.catalog-visual::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.catalog-visual::before {
  width: 420px;
  height: 420px;
}

.catalog-visual::after {
  width: 280px;
  height: 280px;
}

.catalog-glyph {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 166px;
  height: 166px;
  color: var(--white);
  background: rgba(7, 19, 33, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 42px;
  box-shadow: 0 28px 54px rgba(7, 19, 33, 0.28);
  backdrop-filter: blur(12px);
}

.catalog-glyph svg {
  width: 88px;
  height: 88px;
}

.catalog-content {
  padding: 60px;
}

.catalog-content h2 {
  margin-bottom: 9px;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.product-category {
  margin-bottom: 22px;
  color: var(--brand-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.catalog-description {
  max-width: 600px;
  margin-bottom: 32px;
  color: var(--ink-600);
  font-size: 1.02rem;
}

.product-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0 0 34px;
}

.product-fact {
  padding: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.product-fact dt {
  margin-bottom: 4px;
  color: var(--ink-500);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-fact dd {
  margin: 0;
  color: var(--ink-900);
  font-size: 0.83rem;
  font-weight: 800;
}

.catalog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.approach-card {
  padding: 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.approach-card span {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--brand-dark);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.approach-card h3 {
  margin-bottom: 10px;
  font-size: 1.12rem;
}

.approach-card p {
  margin: 0;
  color: var(--ink-600);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1100px) {
  .site-nav {
    gap: 14px;
  }

  .nav-links {
    gap: 0;
  }

  .nav-link {
    padding-inline: 8px;
    font-size: 0.82rem;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(350px, 0.8fr);
    gap: 42px;
  }

  .about-grid {
    gap: 48px;
  }

  .footer-grid {
    grid-template-columns: 1.3fr 0.7fr 0.7fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 70px;
  }

  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .site-header {
    height: var(--header-height);
  }

  .brand-tagline {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - var(--header-height) - 26px);
    overflow-y: auto;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow-md);
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-links {
    display: grid;
    gap: 4px;
  }

  .nav-link {
    min-height: 46px;
    padding: 0 14px;
    font-size: 0.94rem;
  }

  .nav-actions {
    margin-top: 12px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }

  .language-wrap,
  .language-select {
    width: 100%;
  }

  .language-select {
    min-height: 46px;
  }

  html:not(.has-js) .site-header {
    height: auto;
  }

  html:not(.has-js) .nav-shell {
    flex-wrap: wrap;
    min-height: var(--header-height);
    padding: 10px 0;
  }

  html:not(.has-js) .menu-toggle {
    display: none;
  }

  html:not(.has-js) .site-nav {
    position: static;
    display: block;
    flex-basis: 100%;
    box-shadow: none;
  }

  .hero,
  .hero-grid {
    min-height: 0;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 58px;
    padding: 92px 0 190px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .delivery-board {
    max-width: 620px;
    margin-inline: auto;
    transform: none;
  }

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

  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .expertise-intro {
    min-height: auto;
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 42px;
  }

  .process-grid::before {
    display: none;
  }

  .product-showcase,
  .catalog-card {
    grid-template-columns: 1fr;
  }

  .product-visual {
    min-height: 340px;
  }

  .catalog-visual {
    min-height: 380px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .company-card {
    max-width: 620px;
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }

  .contact-panel .button {
    justify-self: start;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 0.8fr 0.8fr;
  }

  .footer-column:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 76px 0;
  }

  .section-heading {
    margin-bottom: 36px;
  }

  .brand-mark {
    width: 37px;
    height: 37px;
  }

  .brand-name {
    font-size: 0.9rem;
  }

  .hero-grid {
    gap: 44px;
    padding: 74px 0 230px;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 13vw, 4rem);
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .delivery-board {
    padding: 17px;
    border-radius: 22px;
  }

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

  .board-notes {
    grid-template-columns: 1fr;
  }

  .hero-proof {
    overflow-x: auto;
  }

  .proof-grid {
    grid-template-columns: 1fr;
  }

  .proof-item,
  .proof-item:first-child {
    padding: 10px 0;
    border-right: 0;
  }

  .proof-item:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .proof-item strong,
  .proof-item span {
    display: inline;
  }

  .proof-item span::before {
    content: " — ";
  }

  .service-grid,
  .process-grid,
  .approach-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 0;
  }

  .expertise-intro {
    padding: 34px 26px;
    border-radius: 22px;
  }

  .capability-item {
    grid-template-columns: 48px 1fr;
    gap: 14px;
    padding: 22px 20px;
  }

  .capability-icon {
    width: 44px;
    height: 44px;
  }

  .process-step {
    display: grid;
    grid-template-columns: 54px 1fr;
    column-gap: 15px;
    padding: 0;
    text-align: left;
  }

  .process-number {
    grid-row: 1 / 3;
    width: 50px;
    height: 50px;
    margin: 0;
    box-shadow: none;
  }

  .process-step h3 {
    margin: 2px 0 7px;
  }

  .product-visual {
    min-height: 300px;
  }

  .product-glyph {
    width: 128px;
    height: 128px;
    border-radius: 32px;
  }

  .product-copy,
  .catalog-content {
    padding: 36px 25px;
  }

  .about-grid {
    gap: 42px;
  }

  .company-card {
    padding: 30px 24px;
    border-radius: 22px;
  }

  .company-detail {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .company-detail dd:not(:last-child) {
    margin-bottom: 10px;
  }

  .contact-section {
    padding-bottom: 76px;
  }

  .contact-panel {
    padding: 42px 25px;
    border-radius: 22px;
  }

  .contact-panel .button {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px 24px;
  }

  .footer-brand,
  .footer-column:last-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-registration {
    text-align: left;
  }

  .page-hero {
    padding: 78px 0 72px;
  }

  .catalog-section {
    padding: 72px 0 78px;
  }

  .catalog-visual {
    min-height: 300px;
  }

  .catalog-glyph {
    width: 130px;
    height: 130px;
    border-radius: 34px;
  }

  .product-facts {
    grid-template-columns: 1fr;
  }

  .catalog-actions,
  .catalog-actions .button {
    width: 100%;
  }
}

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

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