:root {
  color-scheme: dark;
  --page: #090a0b;
  --surface: #0d0f11;
  --card: #111315;
  --raised: #15181b;
  --text: #f3f4f6;
  --secondary: #a6abb3;
  --muted: #737982;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --telegram: #229ed9;
  --telegram-hover: #35aae3;
  --green: #2ccb70;
  --container: 1220px;
  --header-height: 72px;
}

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

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

body {
  position: relative;
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--page);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body::before,
body::after {
  position: fixed;
  z-index: -2;
  inset: 0;
  content: "";
  pointer-events: none;
}

body::before {
  background:
    radial-gradient(circle at 78% 8%, rgba(53, 170, 227, 0.065), transparent 30rem),
    radial-gradient(circle at 12% 46%, rgba(95, 112, 128, 0.045), transparent 34rem),
    radial-gradient(circle at 82% 72%, rgba(34, 158, 217, 0.04), transparent 32rem),
    linear-gradient(180deg, #090a0b 0%, #080a0b 48%, #090a0b 100%);
}

body::after {
  z-index: -1;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 55% 42%, black 0%, transparent 74%);
}

body.menu-open {
  overflow: hidden;
}

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

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

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

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

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

:focus-visible {
  outline: 2px solid var(--telegram-hover);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: 8px;
  background: var(--text);
  color: var(--page);
  font-weight: 700;
}

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

.container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: rgba(9, 10, 11, 0.72);
  backdrop-filter: blur(14px);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--border);
  background: rgba(9, 10, 11, 0.91);
}

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

.brand {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  line-height: 1.2;
}

.brand strong {
  font-size: 14px;
  letter-spacing: -0.01em;
}

.brand span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 29px;
  color: var(--secondary);
  font-size: 14px;
}

.primary-nav > a:not(.button) {
  position: relative;
  padding-block: 8px;
  transition: color 180ms ease;
}

.primary-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  background: var(--text);
  content: "";
  transition: transform 180ms ease;
}

.primary-nav > a:not(.button):hover {
  color: var(--text);
}

.primary-nav > a:not(.button).is-active {
  color: var(--text);
}

.primary-nav > a:not(.button):focus-visible {
  border-radius: 5px;
  color: var(--text);
}

.primary-nav > a:not(.button):hover::after {
  transform: scaleX(1);
}

.primary-nav > a:not(.button).is-active::after {
  transform: scaleX(1);
  background: var(--telegram);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 12px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  margin: 5px 0;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-6px) rotate(-45deg);
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 17px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.button svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

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

.button--telegram {
  background: var(--telegram);
  box-shadow: 0 8px 24px rgba(34, 158, 217, 0.14);
  color: #fff;
}

.button--telegram:hover {
  background: var(--telegram-hover);
  box-shadow: 0 10px 30px rgba(34, 158, 217, 0.22);
}

.button--secondary {
  border-color: var(--border-strong);
  background: var(--card);
  color: var(--text);
}

.button--secondary:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: var(--raised);
}

.nav-telegram {
  min-height: 40px;
  margin-left: 4px;
  padding-inline: 15px;
}

.hero {
  position: relative;
  overflow: clip;
  display: flex;
  min-height: 615px;
  align-items: center;
  padding-top: 44px;
  padding-bottom: 48px;
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: 3%;
  left: -16%;
  width: 720px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 158, 217, 0.055), transparent 67%);
  content: "";
  filter: blur(8px);
  pointer-events: none;
}

.hero__content {
  width: min(850px, 82%);
}

.eyebrow,
.section-kicker,
.project-label {
  margin-bottom: 15px;
  color: #858c96;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 840px;
  margin-bottom: 28px;
  font-size: clamp(52px, 6.3vw, 84px);
  font-weight: 720;
  letter-spacing: -0.058em;
  line-height: 0.98;
}

.hero__copy {
  max-width: 760px;
  color: var(--secondary);
  font-size: 18px;
  line-height: 1.6;
}

.hero__copy p {
  margin-bottom: 10px;
}

.hero__stack-line {
  color: #c9cdd3;
  font-size: 16px;
}

.hero__stack-line span {
  margin-inline: 5px;
  color: var(--muted);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 27px;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
  color: var(--secondary);
  font-size: 14px;
}

.status-row > span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.status-row svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(44, 203, 112, 0.08);
}

.status-divider {
  width: 1px;
  height: 17px;
  background: var(--border-strong);
}

.section {
  padding-block: 38px;
}

.section-heading {
  margin-bottom: 22px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(27px, 3vw, 34px);
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.section-heading .section-kicker {
  margin-bottom: 8px;
}

.section-heading--with-copy {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
}

.section-heading--with-copy > p {
  width: min(500px, 48%);
  margin-bottom: 1px;
  color: var(--secondary);
  font-size: 16px;
  line-height: 1.55;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.service-card,
.project-card,
.stack-grid,
.contact-panel {
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.014), transparent 48%), var(--card);
}

.service-card {
  min-height: 225px;
  padding: 24px;
  border-radius: 15px;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.service-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  background-color: #121518;
}

.service-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 33px;
}

.service-card__top > span:first-child {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.line-icon {
  display: inline-grid;
  width: 31px;
  height: 31px;
  place-items: center;
  color: var(--secondary);
}

.line-icon svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.4;
}

.service-card h3 {
  margin-bottom: 9px;
  font-size: 20px;
  letter-spacing: -0.025em;
}

.service-card p {
  margin-bottom: 0;
  color: var(--secondary);
  font-size: 15px;
  line-height: 1.6;
}

.section--solutions {
  padding-top: 78px;
}

.projects {
  display: grid;
  gap: 17px;
}

.project-card {
  display: grid;
  grid-template-columns: minmax(270px, 0.84fr) minmax(440px, 1.16fr);
  grid-template-areas:
    "visual content"
    "architecture architecture";
  gap: 18px;
  padding: 18px;
  border-radius: 20px;
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.project-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.18);
}

.project-card--alternate {
  grid-template-columns: minmax(440px, 1.16fr) minmax(270px, 0.84fr);
  grid-template-areas:
    "content visual"
    "architecture architecture";
}

.project-visual {
  position: relative;
  display: flex;
  grid-area: visual;
  min-height: 440px;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  background:
    radial-gradient(circle at 50% 28%, rgba(34, 158, 217, 0.13), transparent 58%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.025), transparent 52%),
    var(--raised);
}

.project-visual::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 26%;
  background: linear-gradient(transparent, var(--raised));
  content: "";
  pointer-events: none;
}

.project-visual__number {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: rgba(9, 10, 11, 0.72);
  color: var(--secondary);
  font-size: 11px;
}

.project-visual__trigger {
  position: absolute;
  z-index: 1;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  line-height: 0;
  filter: saturate(0.82) contrast(1.03);
  transition: transform 220ms ease, filter 220ms ease, opacity 220ms ease;
}

.project-visual__image {
  width: 100%;
  height: auto;
  max-width: 100%;
}

.project-visual--single .project-visual__trigger {
  top: 0;
  left: 50%;
  width: 64%;
  transform: translateX(-50%);
}

.project-visual--dual .project-visual__trigger--primary {
  top: 5%;
  left: 2%;
  width: 57%;
}

.project-visual--dual .project-visual__trigger--secondary {
  z-index: 0;
  top: 13%;
  left: 48%;
  width: 50%;
  opacity: 0.82;
}

.project-card:hover .project-visual--single .project-visual__trigger {
  transform: translate(-50%, -4px);
  filter: saturate(0.94) contrast(1.03);
}

.project-card:hover .project-visual--dual .project-visual__trigger--primary {
  transform: translate(-3px, -4px);
  filter: saturate(0.94) contrast(1.03);
}

.project-card:hover .project-visual--dual .project-visual__trigger--secondary {
  transform: translate(3px, -2px);
  filter: saturate(0.94) contrast(1.03);
  opacity: 0.92;
}

.project-content {
  display: flex;
  grid-area: content;
  flex-direction: column;
  justify-content: center;
  padding: 24px 22px;
}

.project-content .project-label {
  margin-bottom: 12px;
}

.project-content h3 {
  max-width: 460px;
  margin-bottom: 12px;
  font-size: clamp(24px, 2.4vw, 30px);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.project-description {
  max-width: 490px;
  margin-bottom: 24px;
  color: var(--secondary);
  font-size: 17px;
  line-height: 1.55;
}

.chip-group + .chip-group {
  margin-top: 18px;
}

.chip-group > p {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 0;
  padding: 0;
  list-style: none;
}

.chips li {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--secondary);
  font-size: 12px;
  line-height: 1.25;
}

.chips--tech li {
  background: rgba(255, 255, 255, 0.02);
  color: #c7cbd1;
}

.architecture {
  position: relative;
  display: flex;
  grid-area: architecture;
  flex-direction: column;
  justify-content: center;
  padding: 17px 19px 19px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.085);
  border-radius: 14px;
  background:
    linear-gradient(90deg, rgba(34, 158, 217, 0.025), transparent 35%),
    rgba(0, 0, 0, 0.16);
}

.architecture::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: linear-gradient(transparent, rgba(34, 158, 217, 0.42), transparent);
  content: "";
}

.architecture__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.architecture__title {
  margin: 0;
  color: #9198a2;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.architecture__heading > span {
  color: #626a74;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.architecture__flow {
  display: grid;
  grid-template-columns: max-content 28px minmax(0, 1fr);
  align-items: center;
  min-width: 0;
}

.architecture__sources {
  position: relative;
  display: grid;
  width: 180px;
  min-width: 0;
}

.architecture__sources--multiple {
  grid-auto-columns: minmax(0, 1fr);
  grid-auto-flow: column;
  gap: 6px;
}

.architecture__sources--3 {
  width: 240px;
}

.architecture__sources--4 {
  width: 320px;
}

.architecture-connector {
  position: relative;
  width: 100%;
  height: 1px;
  background: rgba(166, 171, 179, 0.32);
}

.architecture-connector::after,
.architecture__pipeline li:not(:last-child)::after {
  position: absolute;
  top: -2px;
  right: 0;
  width: 5px;
  height: 5px;
  transform: rotate(-45deg);
  border-right: 1px solid #868e99;
  border-bottom: 1px solid #868e99;
  content: "";
}

.architecture-connector--merge::before {
  display: none;
}

.architecture__pipeline {
  display: flex;
  min-width: 0;
  flex: 5 1 0;
  align-items: stretch;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.architecture__pipeline li {
  position: relative;
  display: flex;
  min-width: 0;
  flex: 1 1 0;
  align-items: stretch;
  padding: 0;
  text-align: center;
}

.architecture__pipeline li:not(:last-child)::before {
  position: absolute;
  top: 50%;
  right: -14px;
  width: 10px;
  height: 1px;
  background: rgba(166, 171, 179, 0.32);
  content: "";
}

.architecture__pipeline li:not(:last-child)::after {
  top: calc(50% - 2px);
  right: -14px;
}

.architecture-node {
  display: grid;
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  min-height: 48px;
  place-items: center;
  padding: 8px 9px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 9px;
  color: #bdc2ca;
  font-size: 11px;
  line-height: 1.3;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.architecture-node--source {
  background: #11161a;
  border-color: rgba(147, 162, 176, 0.16);
}

.architecture-node--processing {
  background: linear-gradient(145deg, #171a1d, #131619);
}

.architecture-node--storage {
  background: linear-gradient(145deg, #171a1d, #111519);
  border-style: dashed;
  border-color: rgba(188, 196, 205, 0.22);
}

.architecture-node--delivery {
  background: rgba(34, 158, 217, 0.075);
  border-color: rgba(34, 158, 217, 0.27);
  box-shadow: inset 0 0 24px rgba(34, 158, 217, 0.025);
  color: #d1e8f3;
}

.process-panel {
  padding: 29px 30px 24px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.014), transparent 48%), var(--card);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-steps li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 58px;
  padding-right: 42px;
}

.process-steps li:not(:last-child)::before {
  position: absolute;
  top: 50%;
  right: 15px;
  width: 12px;
  height: 1px;
  background: var(--border-strong);
  content: "";
}

.process-steps li:not(:last-child)::after {
  position: absolute;
  top: calc(50% - 3px);
  right: 15px;
  width: 6px;
  height: 6px;
  transform: rotate(-45deg);
  border-right: 1px solid var(--muted);
  border-bottom: 1px solid var(--muted);
  content: "";
}

.process-steps span {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--raised);
  color: var(--muted);
  font-size: 12px;
}

.process-steps strong {
  font-size: 17px;
  line-height: 1.3;
}

.process-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--secondary);
  font-size: 15px;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  padding: 30px 14px;
  border-radius: 16px;
}

.stack-group {
  padding: 0 21px;
}

.stack-group + .stack-group {
  border-left: 1px solid var(--border);
}

.stack-group__heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 17px;
}

.stack-group__heading .line-icon {
  width: 24px;
  height: 24px;
}

.stack-group__heading svg {
  width: 21px;
  height: 21px;
}

.stack-group h3 {
  margin-bottom: 0;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.stack-group ul {
  margin: 0;
  padding: 0 0 0 34px;
  color: var(--secondary);
  font-size: 15px;
  line-height: 1.7;
  list-style: none;
}

.contact-panel {
  display: grid;
  grid-template-columns: auto minmax(280px, 1fr) auto;
  align-items: center;
  gap: 20px;
  padding: 31px 30px;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.14);
  border-radius: 19px;
}

.contact-panel__icon {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--raised);
  color: var(--secondary);
}

.contact-panel__icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.contact-panel__copy h2 {
  margin-bottom: 7px;
  font-size: 29px;
  letter-spacing: -0.035em;
}

.contact-panel__copy p {
  max-width: 610px;
  margin-bottom: 0;
  color: var(--secondary);
  font-size: 16px;
  line-height: 1.55;
}

.reveal {
  transform: translateY(12px);
  opacity: 0;
  transition: transform 420ms cubic-bezier(0.2, 0.7, 0.2, 1), opacity 420ms ease;
}

.reveal.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.service-card.reveal.is-visible:hover,
.project-card.reveal.is-visible:hover {
  transform: translateY(-2px);
}

.contact-panel__actions {
  flex-wrap: nowrap;
  margin-top: 0;
}

.site-footer {
  margin-top: 36px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  min-height: 86px;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
}

.footer-inner strong {
  color: var(--secondary);
  font-size: 12px;
}

.footer-inner span:last-child {
  text-align: right;
}

.lightbox {
  width: min(92vw, 900px);
  max-width: none;
  max-height: 92vh;
  padding: 0;
  overflow: visible;
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  background: #0c0e10;
  color: var(--text);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.7);
}

.lightbox::backdrop {
  background: rgba(2, 3, 4, 0.86);
  backdrop-filter: blur(7px);
}

.lightbox__content {
  display: grid;
  box-sizing: border-box;
  max-height: 92vh;
  justify-items: center;
  margin: 0;
  padding: 22px 64px 18px;
  overflow: hidden;
}

.lightbox__content img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(92vh - 76px);
  object-fit: contain;
}

.lightbox__content figcaption {
  margin-top: 12px;
  color: var(--secondary);
  font-size: 14px;
  text-align: center;
}

.lightbox__close {
  position: absolute;
  z-index: 2;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: rgba(9, 10, 11, 0.88);
  color: var(--text);
  cursor: pointer;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.lightbox__close:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: var(--raised);
}

.lightbox__close span {
  position: absolute;
  top: 20px;
  left: 11px;
  width: 19px;
  height: 1px;
  transform: rotate(45deg);
  background: currentColor;
}

.lightbox__close span:last-child {
  transform: rotate(-45deg);
}

@media (min-width: 1440px) {
  :root {
    --container: 1360px;
  }

  body {
    font-size: 19px;
  }

  .container {
    width: min(calc(100% - 80px), var(--container));
  }

  .brand strong {
    font-size: 15px;
  }

  .brand span {
    font-size: 12px;
  }

  .primary-nav {
    gap: 32px;
    font-size: 15px;
  }

  .button {
    min-height: 48px;
    padding: 13px 20px;
    font-size: 15px;
  }

  .hero {
    min-height: 680px;
    padding-top: 54px;
    padding-bottom: 58px;
  }

  .hero__content {
    width: min(940px, 78%);
  }

  .hero h1 {
    max-width: 930px;
    margin-bottom: 32px;
    font-size: clamp(62px, 5.2vw, 92px);
  }

  .hero__copy {
    max-width: 820px;
    font-size: 20px;
  }

  .hero__stack-line {
    font-size: 18px;
  }

  .status-row {
    margin-top: 25px;
    font-size: 15px;
  }

  .section {
    padding-block: 46px;
  }

  .section-heading {
    margin-bottom: 27px;
  }

  .section-heading h2 {
    font-size: 39px;
  }

  .section-heading--with-copy > p {
    width: min(570px, 46%);
    font-size: 17px;
  }

  .services-grid {
    gap: 18px;
  }

  .service-card {
    min-height: 250px;
    padding: 29px;
  }

  .service-card__top {
    margin-bottom: 39px;
  }

  .service-card h3 {
    font-size: 22px;
  }

  .service-card p {
    font-size: 17px;
  }

  .section--solutions {
    padding-top: 90px;
  }

  .projects {
    gap: 22px;
  }

  .project-card {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 22px;
    padding: 22px;
  }

  .project-card--alternate {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  }

  .project-visual {
    min-height: 590px;
  }

  .project-visual--single .project-visual__trigger {
    width: 62%;
  }

  .project-visual--dual .project-visual__trigger--primary {
    width: 60%;
  }

  .project-visual--dual .project-visual__trigger--secondary {
    left: 50%;
    width: 52%;
  }

  .project-content {
    padding: 34px 28px;
  }

  .project-content h3 {
    max-width: 540px;
    margin-bottom: 15px;
    font-size: 35px;
  }

  .project-description {
    max-width: 560px;
    margin-bottom: 29px;
    font-size: 19px;
  }

  .chip-group + .chip-group {
    margin-top: 21px;
  }

  .chip-group > p {
    margin-bottom: 10px;
    font-size: 12px;
  }

  .chips {
    gap: 8px;
  }

  .chips li {
    padding: 7px 11px;
    font-size: 13px;
  }

  .architecture {
    padding: 20px 22px 22px;
  }

  .architecture-node {
    min-height: 54px;
    padding: 9px 10px;
    font-size: 12px;
  }

  .stack-grid {
    padding: 35px 18px;
  }

  .stack-group {
    padding-inline: 25px;
  }

  .stack-group h3 {
    font-size: 17px;
  }

  .stack-group ul {
    font-size: 17px;
  }

  .process-panel {
    padding: 34px 34px 28px;
  }

  .process-steps li {
    min-height: 64px;
  }

  .process-steps span {
    width: 44px;
    height: 44px;
    font-size: 13px;
  }

  .process-steps strong {
    font-size: 19px;
  }

  .process-note {
    font-size: 17px;
  }

  .contact-panel {
    padding: 37px 35px;
  }

  .contact-panel__icon {
    width: 56px;
    height: 56px;
  }

  .contact-panel__copy h2 {
    font-size: 33px;
  }

  .contact-panel__copy p {
    font-size: 18px;
  }

  .footer-inner {
    font-size: 13px;
  }

  .footer-inner strong {
    font-size: 14px;
  }
}

@media (max-width: 1060px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card {
    min-height: 180px;
  }

  .service-card__top {
    margin-bottom: 24px;
  }

  .project-card,
  .project-card--alternate {
    grid-template-columns: minmax(250px, 0.8fr) minmax(390px, 1.2fr);
    grid-template-areas:
      "visual content"
      "architecture architecture";
  }

  .project-visual {
    min-height: 430px;
  }

  .architecture {
    padding: 15px;
  }

  .architecture__flow {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .architecture__sources {
    width: 100%;
  }

  .architecture-connector {
    width: 1px;
    height: 24px;
    justify-self: center;
  }

  .architecture-connector::after {
    top: auto;
    right: -2px;
    bottom: 0;
    transform: rotate(45deg);
  }

  .architecture ol {
    display: flex;
    align-items: stretch;
    gap: 17px;
  }

  .architecture li {
    display: flex;
    flex: 1 1 0;
    align-items: stretch;
    padding: 0;
  }

  .architecture li span {
    display: grid;
    width: 100%;
    min-height: 48px;
    place-items: center;
  }

  .architecture li:not(:last-child)::before {
    top: 50%;
    right: -13px;
    bottom: auto;
    left: auto;
    width: 9px;
    height: 1px;
  }

  .architecture li:not(:last-child)::after {
    top: calc(50% - 2px);
    right: -13px;
    bottom: auto;
    left: auto;
    transform: rotate(-45deg);
  }

  .stack-grid {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 28px;
  }

  .stack-group:nth-child(4) {
    border-left: 0;
  }

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

  .contact-panel__actions {
    grid-column: 2;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 64px;
  }

  .container {
    width: min(calc(100% - 38px), var(--container));
  }

  .site-header {
    background: rgba(9, 10, 11, 0.92);
  }

  .menu-toggle {
    display: block;
  }

  .primary-nav {
    position: fixed;
    z-index: -1;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: flex;
    max-height: 0;
    align-items: stretch;
    flex-direction: column;
    gap: 5px;
    overflow: hidden;
    border-bottom: 1px solid transparent;
    background: rgba(9, 10, 11, 0.98);
    padding-inline: 19px;
    opacity: 0;
    pointer-events: none;
    transition: max-height 220ms ease, opacity 180ms ease, padding 220ms ease, border-color 180ms ease;
  }

  .primary-nav.is-open {
    max-height: calc(100vh - var(--header-height));
    padding-top: 15px;
    padding-bottom: 19px;
    border-color: var(--border);
    opacity: 1;
    pointer-events: auto;
  }

  .primary-nav > a:not(.button) {
    padding: 12px 2px;
    color: var(--text);
    font-size: 15px;
  }

  .nav-telegram {
    margin-top: 6px;
    margin-left: 0;
  }

  .hero {
    min-height: auto;
    padding-top: 82px;
    padding-bottom: 65px;
  }

  .hero__content {
    width: 100%;
  }

  .hero h1 {
    margin-bottom: 25px;
    font-size: clamp(42px, 12vw, 60px);
    line-height: 1;
  }

  .hero__copy {
    font-size: 16px;
  }

  .hero__stack-line {
    font-size: 15px;
  }

  .section {
    padding-block: 33px;
  }

  .section--solutions {
    padding-top: 65px;
  }

  .section-heading--with-copy {
    display: block;
  }

  .section-heading--with-copy > p {
    width: 100%;
    margin-top: 12px;
  }

  .project-card,
  .project-card--alternate {
    grid-template-columns: 1fr;
    grid-template-areas:
      "visual"
      "content"
      "architecture";
    gap: 10px;
    padding: 10px;
    border-radius: 17px;
  }

  .project-visual {
    min-height: min(118vw, 490px);
  }

  .project-visual--single .project-visual__trigger {
    width: 82%;
  }

  .project-visual--dual .project-visual__trigger--primary {
    top: 5%;
    left: -5%;
    width: 68%;
  }

  .project-visual--dual .project-visual__trigger--secondary {
    top: 14%;
    left: 45%;
    width: 59%;
  }

  .project-content {
    padding: 26px 12px 21px;
  }

  .project-content h3 {
    font-size: 27px;
  }

  .architecture {
    padding: 19px 14px 16px;
  }

  .architecture__heading {
    margin-bottom: 16px;
  }

  .architecture__flow {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .architecture__sources {
    width: 100%;
    min-width: 0;
  }

  .architecture__sources--multiple {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-columns: auto;
    grid-auto-flow: row;
  }

  .architecture-connector {
    width: 1px;
    height: 24px;
    flex-basis: 24px;
    align-self: center;
  }

  .architecture-connector::after {
    top: auto;
    right: -2px;
    bottom: 0;
    transform: rotate(45deg);
  }

  .architecture-connector--merge::before {
    display: none;
  }

  .architecture .architecture__pipeline {
    display: block;
    width: 100%;
  }

  .architecture__pipeline li {
    display: block;
    padding-bottom: 19px;
  }

  .architecture__pipeline li:not(:last-child)::before {
    top: auto;
    right: auto;
    bottom: 4px;
    left: 50%;
    width: 1px;
    height: 11px;
  }

  .architecture__pipeline li:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: 3px;
    left: calc(50% - 2px);
    transform: rotate(45deg);
  }

  .architecture-node {
    min-height: 46px;
    font-size: 12px;
  }

  .stack-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 22px 7px;
  }

  .stack-group {
    padding: 0 16px;
  }

  .stack-group:nth-child(3),
  .stack-group:nth-child(5) {
    border-left: 0;
  }

  .stack-group:nth-child(4) {
    border-left: 1px solid var(--border);
  }

  .process-panel {
    padding: 24px 20px 21px;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 23px;
  }

  .process-steps li {
    min-height: 48px;
    padding-right: 0;
  }

  .process-steps li:not(:last-child)::before {
    top: auto;
    right: auto;
    bottom: -17px;
    left: 16px;
    width: 1px;
    height: 10px;
  }

  .process-steps li:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -17px;
    left: 14px;
    transform: rotate(45deg);
  }

  .contact-panel {
    display: block;
    padding: 28px 22px;
  }

  .lightbox {
    width: calc(100% - 24px);
  }

  .lightbox__content {
    padding: 54px 12px 16px;
  }

  .contact-panel__icon {
    margin-bottom: 20px;
  }

  .contact-panel__actions {
    display: grid;
    grid-template-columns: 1fr;
    margin-top: 22px;
  }

  .footer-inner {
    display: flex;
    min-height: 118px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
  }

  .footer-inner span:last-child {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 165px;
  }

  .hero h1 br {
    display: none;
  }

  .hero .button-row {
    display: grid;
  }

  .hero .button {
    width: 100%;
  }

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

  .status-divider {
    display: none !important;
  }
}

@media (max-width: 360px) {
  .container {
    width: calc(100% - 36px);
  }

  .brand strong {
    font-size: 13px;
  }

  .brand span {
    font-size: 10px;
  }

  .hero h1 {
    font-size: 39px;
  }

  .hero .eyebrow {
    white-space: nowrap;
    font-size: 10px;
    letter-spacing: 0.11em;
  }

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

  .stack-group + .stack-group,
  .stack-group:nth-child(4) {
    padding-top: 22px;
    border-top: 1px solid var(--border);
    border-left: 0;
  }
}

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

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