:root {
  color-scheme: dark;
  --bg: #080908;
  --panel: #111311;
  --panel-2: #171918;
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.28);
  --text: #f5f5f1;
  --muted: #a6aaa6;
  --soft: #d3d5d2;
  --amber: #d8aa53;
  --green: #78a790;
  --danger: #d67d73;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  align-items: center;
  gap: 28px;
  padding: 10px 34px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 9, 8, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  justify-self: start;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: #151715;
  font-size: 18px;
  font-weight: 900;
}

.brand-copy {
  display: grid;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: 17px;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

nav a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.language-switch {
  display: inline-flex;
  border: 1px solid var(--line);
}

.lang-button,
.partner-button,
.footer-button,
.text-button,
.scenario-button {
  border: 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.lang-button {
  min-width: 40px;
  min-height: 34px;
  font-size: 11px;
  font-weight: 850;
}

.lang-button.is-active {
  background: var(--text);
  color: #080908;
}

.partner-button {
  min-height: 36px;
  border: 1px solid var(--line);
  padding: 0 14px;
  color: var(--soft);
  font-size: 12px;
  font-weight: 800;
}

.hero {
  position: relative;
  height: calc(100svh - 104px);
  min-height: 620px;
  max-height: 820px;
  overflow: hidden;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.44);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(680px, calc(100% - 68px));
  margin-left: max(34px, calc((100vw - 1460px) / 2));
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.7);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 20px;
  font-size: 76px;
  line-height: 0.98;
}

h2 {
  margin-bottom: 20px;
  font-size: 44px;
  line-height: 1.06;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.hero-lede {
  max-width: 650px;
  margin-bottom: 30px;
  color: #eeeeea;
  font-size: 19px;
}

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

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 0 20px;
  font-weight: 850;
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  border-color: var(--text);
  background: var(--text);
  color: #080908;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
}

.button-secondary {
  background: rgba(8, 9, 8, 0.62);
  color: var(--text);
}

.hero-note {
  position: absolute;
  right: 30px;
  bottom: 22px;
  z-index: 2;
  margin: 0;
  color: var(--soft);
  font-size: 12px;
  font-weight: 750;
}

.metric-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: #0c0e0c;
  border-bottom: 1px solid var(--line);
}

.metric-band div {
  min-height: 108px;
  padding: 24px 30px;
  border-right: 1px solid var(--line);
}

.metric-band div:last-child {
  border-right: 0;
}

.metric-band strong,
.metric-band span {
  display: block;
}

.metric-band strong {
  font-size: 29px;
}

.metric-band span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.section,
.dark-band,
.catalog-section,
.product-band {
  padding: 92px max(34px, calc((100vw - 1460px) / 2));
}

.section-heading {
  max-width: 840px;
}

.intro-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  gap: 40px 72px;
}

.intro-copy {
  padding-top: 30px;
  color: var(--muted);
  font-size: 17px;
}

.feature-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.feature-grid article {
  min-height: 210px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-grid article:first-child {
  border-left: 1px solid var(--line);
}

.feature-grid span {
  display: block;
  margin-bottom: 34px;
  color: var(--amber);
  font-weight: 900;
}

.feature-grid p,
.band-copy p,
.model-card p,
.product-copy > p,
.section-copy,
.faq-list p,
.catalog-section > div > p {
  color: var(--muted);
}

.dark-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 72px;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #0d0f0e;
}

.assistant-demo {
  border: 1px solid var(--line-strong);
  background: #080a09;
  padding: 24px;
}

.demo-header,
.privacy-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.status-dot {
  color: var(--green);
}

.scenario-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 24px 0;
  border: 1px solid var(--line);
}

.scenario-button {
  min-height: 42px;
  border-right: 1px solid var(--line);
  font-weight: 800;
}

.scenario-button:last-child {
  border-right: 0;
}

.scenario-button.is-active {
  background: var(--text);
  color: #080908;
}

.transcript {
  min-height: 190px;
  display: grid;
  align-content: center;
  gap: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 24px 4px;
}

.transcript p {
  margin: 0;
}

.assistant-query {
  color: var(--soft);
  font-size: 23px;
  font-weight: 750;
}

.assistant-answer {
  color: var(--green);
}

.privacy-line {
  margin-top: 18px;
}

.models-section .section-heading,
.faq-section .section-heading {
  margin-bottom: 42px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.model-card {
  min-height: 270px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  padding: 26px;
}

.model-card:hover {
  border-color: var(--line-strong);
  background: var(--panel-2);
}

.model-code {
  margin-bottom: 44px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 900;
}

.text-button {
  align-self: flex-start;
  margin-top: auto;
  padding: 8px 0;
  color: var(--text);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.text-button:hover,
.text-button:focus-visible {
  color: var(--amber);
}

.product-band {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  gap: 72px;
  align-items: center;
  background: #101210;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-image-wrap {
  min-height: 480px;
  overflow: hidden;
}

.product-image-wrap img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  display: block;
  object-fit: cover;
  object-position: 66% center;
}

.material-list {
  margin: 32px 0 0;
}

.material-list div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding: 14px 0;
}

.material-list dt {
  color: var(--muted);
}

.material-list dd {
  margin: 0;
  font-weight: 800;
}

.configurator-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 480px);
  gap: 72px;
  align-items: end;
}

.config-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr);
  gap: 18px;
  margin-top: 34px;
}

label > span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #0b0d0b;
  color: var(--text);
  outline: 0;
  padding: 13px 14px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--amber);
}

input[type="range"] {
  min-height: 46px;
  accent-color: var(--amber);
}

output {
  display: block;
  margin-top: 5px;
  color: var(--amber);
  font-weight: 850;
}

.recommendation {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  padding: 30px;
}

.recommendation strong {
  display: block;
  margin-bottom: 14px;
  font-size: 36px;
}

.recommendation p {
  min-height: 52px;
  color: var(--muted);
}

.company-section {
  align-items: start;
}

.office-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

address {
  border: 1px solid var(--line);
  background: #080a09;
  padding: 24px;
  font-style: normal;
}

address strong,
address span,
address a {
  display: block;
}

address span,
address a {
  margin-top: 12px;
  color: var(--muted);
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

details {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 22px;
}

summary {
  cursor: pointer;
  font-weight: 850;
}

details p {
  margin: 16px 0 0;
}

.catalog-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr);
  gap: 72px;
}

.request-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 24px;
}

.wide-field {
  grid-column: 1 / -1;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--green);
  font-size: 13px;
}

.form-status[data-tone="error"] {
  color: var(--danger);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(2, minmax(160px, 0.7fr));
  gap: 36px;
  border-top: 1px solid var(--line);
  background: #050605;
  padding: 46px max(34px, calc((100vw - 1460px) / 2)) 24px;
}

.site-footer > div {
  display: grid;
  align-content: start;
  gap: 10px;
}

.site-footer a,
.footer-button,
.footer-brand p,
.footer-bottom {
  color: var(--muted);
  font-size: 13px;
}

.site-footer a {
  text-decoration: none;
}

.footer-button {
  justify-self: start;
  padding: 0;
}

.footer-bottom {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  margin: 14px 0 0;
  padding-top: 20px;
}

dialog {
  width: min(720px, calc(100vw - 28px));
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: #0a0c0a;
  color: var(--text);
  padding: 0;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.76);
  backdrop-filter: blur(8px);
}

.dialog-panel {
  position: relative;
  padding: 32px;
}

.dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 26px 0;
}

.spec-grid div {
  border-top: 1px solid var(--line);
  padding: 14px 10px 14px 0;
}

.spec-grid dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.spec-grid dd {
  margin: 5px 0 0;
  font-weight: 850;
}

.login-panel {
  display: grid;
  gap: 15px;
}

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  nav {
    display: none;
  }

  .intro-section,
  .dark-band,
  .product-band,
  .configurator-section,
  .catalog-section {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  .site-header {
    position: relative;
    min-height: 64px;
    gap: 10px;
    padding: 10px 16px;
  }

  .brand-copy small,
  .partner-button {
    display: none;
  }

  .hero {
    height: 720px;
    min-height: 720px;
    max-height: none;
    align-items: end;
  }

  .hero-image {
    object-position: 65% center;
  }

  .hero-shade {
    background: rgba(0, 0, 0, 0.56);
  }

  .hero-copy {
    width: 100%;
    margin: 0;
    padding: 260px 18px 94px;
  }

  h1 {
    font-size: 50px;
  }

  h2 {
    font-size: 34px;
  }

  .hero-lede {
    font-size: 17px;
  }

  .hero-actions {
    display: grid;
  }

  .hero-note {
    right: 18px;
    left: 18px;
    bottom: 18px;
  }

  .metric-band,
  .feature-grid,
  .model-grid,
  .office-grid,
  .faq-list,
  .site-footer,
  .request-form,
  .config-controls,
  .spec-grid {
    grid-template-columns: 1fr;
  }

  .metric-band div {
    min-height: 88px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .feature-grid article {
    border-left: 1px solid var(--line);
  }

  .model-card:last-child,
  .wide-field {
    grid-column: auto;
  }

  .section,
  .dark-band,
  .catalog-section,
  .product-band {
    padding: 66px 18px;
  }

  .dark-band,
  .catalog-section {
    gap: 40px;
  }

  .product-image-wrap,
  .product-image-wrap img {
    min-height: 360px;
  }

  .product-image-wrap img {
    object-position: 62% center;
  }

  .scenario-tabs {
    grid-template-columns: 1fr;
  }

  .scenario-button {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .scenario-button:last-child {
    border-bottom: 0;
  }

  .assistant-query {
    font-size: 19px;
  }

  .material-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .recommendation strong {
    font-size: 30px;
  }

  .footer-bottom {
    grid-column: auto;
  }
}