:root {
  --petrol: #12181a;
  --petrol-deep: #0b0f10;
  --petrol-line: #2a3033;
  --concrete: #efebe2;
  --paper: #faf8f3;
  --ink: #161f1e;
  --ink-soft: #57625f;
  --yellow: #f4ed3b;
  --yellow-dark: #d6ce1e;
  --steel: #b9bdb0;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(8, 12, 13, 0.12);
  --radius: 2px;
  --max-width: 1260px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

h1,
h2,
h3,
h4,
h5,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  font-family: "Archivo", sans-serif;
  color: var(--petrol-deep);
  line-height: 1.06;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}

p {
  line-height: 1.75;
}

::selection {
  background: var(--yellow);
  color: var(--petrol-deep);
}

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

.section {
  padding: 100px 0;
}

.section-tight {
  padding: 70px 0;
}

.section-dark {
  background: var(--petrol-deep);
  color: var(--white);
}

.section-concrete {
  background: var(--concrete);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 36px;
  margin-bottom: 54px;
}

.section-head h2 {
  max-width: 650px;
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.section-head p {
  max-width: 390px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.section-dark .section-head h2 {
  color: var(--white);
}

.section-dark .section-head p {
  color: #9fb4b2;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--yellow-dark);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tag::before {
  content: "//";
  color: var(--yellow);
}

.mono {
  font-family: "IBM Plex Mono", monospace;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 24px;
  border: 1px solid transparent;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--yellow);
  color: var(--petrol-deep);
}

.btn-primary:hover {
  background: var(--yellow-dark);
  transform: translateY(-1px);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.34);
  color: var(--white);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--yellow);
  color: var(--petrol-deep);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 15, 16, 0.98);
  border-bottom: 1px solid var(--petrol-line);
  backdrop-filter: blur(14px);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

.logo-block {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--yellow);
  color: var(--petrol-deep);
  font-family: "Archivo", sans-serif;
  font-size: 0.86rem;
  font-weight: 900;
}

.logo-text {
  color: var(--white);
  font-family: "Archivo", sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.logo-text span {
  color: var(--yellow);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 34px;
}

.site-nav ul {
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  color: #b7c7c5;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--yellow);
}

.nav-cta {
  padding: 11px 20px;
  background: var(--yellow);
  color: var(--petrol-deep);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--white);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  content: "";
  transition: 0.2s ease;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 0;
  background: var(--petrol-deep);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 34px;
}

.hero-copy {
  padding-bottom: 72px;
}

.hero-copy h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: var(--white);
  font-size: clamp(2.6rem, 5.8vw, 5.4rem);
  font-weight: 800;
}

.hero-copy h1 span {
  color: var(--yellow);
}

.hero-copy > p {
  max-width: 560px;
  margin-bottom: 34px;
  color: #c7d6d4;
  font-size: 1rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 30px;
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--petrol-line);
  color: #7e9a98;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-meta b {
  color: var(--steel);
}

.hero-blueprint {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 560px;
}

.bp-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--petrol-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--petrol-line) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.34;
}

.bp-stage {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 390px);
  height: 450px;
}

.bp-stage img {
  position: relative;
  z-index: 2;
  width: auto;
  max-height: 410px;
  filter:
    drop-shadow(0 8px 8px rgba(0, 0, 0, 0.3))
    drop-shadow(0 28px 30px rgba(0, 0, 0, 0.45));
}

.bp-spotlight {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 280px;
  height: 280px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244, 237, 59, 0.16), transparent 70%);
}

.bp-ground {
  position: absolute;
  left: 50%;
  bottom: 25px;
  width: 180px;
  height: 22px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.45), transparent 75%);
}

.bp-dim-left {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bp-dim-left .tick {
  width: 16px;
  height: 1px;
  background: var(--yellow);
}

.bp-dim-left .rule {
  width: 1px;
  flex: 1;
  background: repeating-linear-gradient(
    to bottom,
    var(--yellow) 0,
    var(--yellow) 5px,
    transparent 5px,
    transparent 9px
  );
}

.bp-dim-left .lbl {
  position: absolute;
  left: 25px;
  top: 50%;
  transform: translateY(-50%) rotate(180deg);
  color: var(--steel);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  writing-mode: vertical-rl;
}

.bp-cap {
  position: absolute;
  right: 4px;
  bottom: 24%;
  z-index: 3;
}

.bp-cap .l1 {
  color: var(--yellow);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.bp-cap .l2 {
  margin-top: 4px;
  color: var(--steel);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.05em;
}

/* Framed media */
.brk {
  position: relative;
}

.brk::before,
.brk::after,
.brk .bl,
.brk .br {
  position: absolute;
  z-index: 3;
  width: 18px;
  height: 18px;
  border: 2px solid var(--yellow);
  content: "";
}

.brk::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.brk::after {
  top: -1px;
  right: -1px;
  border-left: 0;
  border-bottom: 0;
}

.brk .bl {
  bottom: -1px;
  left: -1px;
  border-top: 0;
  border-right: 0;
}

.brk .br {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.brk-cap {
  position: absolute;
  left: 10px;
  bottom: 10px;
  z-index: 4;
  padding: 5px 10px;
  background: var(--petrol-deep);
  color: var(--steel);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brk-cap b {
  color: var(--yellow);
}

/* Homepage sections */
.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: start;
  gap: 70px;
}

.about-img-wrap img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

.about-copy h2 {
  margin-bottom: 22px;
  font-size: clamp(1.8rem, 3.4vw, 3rem);
}

.about-copy p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.about-copy strong {
  color: var(--petrol-deep);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tech-card {
  min-width: 0;
}

.tech-img {
  height: 190px;
  overflow: hidden;
}

.tech-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tech-card h3 {
  margin: 18px 0 0;
  color: var(--white);
  font-size: 0.95rem;
  letter-spacing: 0;
}

.spec {
  margin-top: 7px;
  color: var(--yellow);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.stats-section {
  background: var(--concrete);
  border-block: 1px solid #dfd9cc;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: 38px 32px;
  border-right: 1px solid #dfd9cc;
}

.stat:last-child {
  border-right: 0;
}

.stat-label {
  margin-bottom: 12px;
  color: var(--ink-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stat-number {
  color: var(--petrol-deep);
  font-family: "Archivo", sans-serif;
  font-size: clamp(2.1rem, 4vw, 3.5rem);
  font-weight: 800;
}

.stat-number span {
  color: var(--yellow-dark);
}

.prod-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.prod-card {
  min-width: 0;
}

.prod-img {
  height: 190px;
  overflow: hidden;
}

.prod-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prod-body {
  padding-top: 16px;
}

.prod-code {
  color: var(--yellow-dark);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

.prod-body h3 {
  margin: 8px 0 0;
  font-size: 0.95rem;
  text-transform: none;
}

.prod-body p {
  margin-top: 7px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.55;
}

.ind-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--petrol-line);
  border-left: 1px solid var(--petrol-line);
}

.ind-tile {
  display: flex;
  min-height: 128px;
  padding: 30px 24px;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--petrol-line);
  border-bottom: 1px solid var(--petrol-line);
  transition: background 0.2s ease;
}

.ind-tile:hover {
  background: rgba(244, 237, 59, 0.05);
}

.ind-tile .no {
  color: var(--yellow);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
}

.ind-tile h3 {
  margin: 20px 0 0;
  color: var(--white);
  font-size: 0.95rem;
  letter-spacing: 0;
}

.cert-strip {
  padding: 56px 0;
  border-bottom: 1px solid #e2dccf;
  background: var(--paper);
}

.cert-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
}

.cert-item {
  display: flex;
  min-width: 230px;
  flex: 1;
  align-items: center;
  gap: 14px;
}

.badge {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border: 2px solid var(--yellow);
  color: var(--yellow-dark);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  font-weight: 600;
}

.cert-copy {
  color: var(--petrol-deep);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.4;
}

.cert-copy small {
  display: block;
  margin-top: 3px;
  color: var(--ink-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  font-weight: 400;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.partner-logo {
  display: grid;
  place-items: center;
  min-height: 96px;
  padding: 20px;
  border: 1px solid #ddd6c6;
  background: var(--white);
  color: var(--ink-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-align: center;
  text-transform: uppercase;
}

/* Inner pages */
.page-banner {
  position: relative;
  overflow: hidden;
  padding: 120px 0 70px;
  background: var(--petrol-deep);
}

.page-banner .wrap {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  margin-bottom: 22px;
  color: #7e8e86;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.breadcrumb a {
  color: var(--steel);
}

.page-banner h1 {
  max-width: 820px;
  margin-bottom: 0;
  color: var(--white);
  font-size: clamp(2.3rem, 5vw, 4.8rem);
}

.page-banner .sub {
  max-width: 620px;
  margin: 20px 0 0;
  color: #c7d6d4;
  font-size: 0.98rem;
}

.motto-block {
  margin: 0;
  padding: 36px 40px;
  border-left: 4px solid var(--yellow);
  background: var(--concrete);
}

.motto-title {
  color: var(--petrol-deep);
  font-family: "Archivo", sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  text-transform: uppercase;
}

.motto-copy {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.spec-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid #dfd9cc;
}

.spec-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 60px;
  padding: 15px 4px;
  border-bottom: 1px solid #dfd9cc;
  font-size: 0.88rem;
}

.spec-list-item:nth-child(odd) {
  padding-right: 22px;
  border-right: 1px solid #dfd9cc;
}

.spec-list-item:nth-child(even) {
  padding-left: 22px;
}

.spec-list-item .n {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  background: var(--petrol-deep);
  color: var(--yellow);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
}

.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 70px;
}

.split-copy h2 {
  margin-bottom: 20px;
  font-size: clamp(1.8rem, 3.4vw, 3rem);
}

.section-dark .split-copy h2 {
  color: var(--white);
}

.split-copy p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.section-dark .split-copy p {
  color: #c7d6d4;
}

.split-img img {
  width: 100%;
  height: 390px;
  object-fit: cover;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.policy-card {
  display: flex;
  min-height: 205px;
  padding: 28px 24px;
  flex-direction: column;
  gap: 15px;
  border: 1px solid var(--petrol-line);
  background: var(--petrol);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.policy-card:hover {
  transform: translateY(-2px);
  border-color: var(--yellow);
}

.doc-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--yellow);
  color: var(--yellow);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
}

.policy-card h3 {
  margin-bottom: 0;
  color: var(--white);
  font-size: 0.95rem;
  line-height: 1.45;
}

.policy-card .view {
  margin-top: auto;
  color: var(--steel);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Footer */
.site-footer {
  padding-top: 64px;
  background: var(--petrol-deep);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.1fr;
  gap: 50px;
  padding-bottom: 54px;
  border-bottom: 1px solid var(--petrol-line);
}

.footer-brand p {
  max-width: 330px;
  margin-top: 16px;
  color: #8aa5a2;
  font-size: 0.82rem;
}

.footer-col h2 {
  margin-bottom: 18px;
  color: var(--white);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-col ul {
  display: flex;
  margin: 0;
  padding: 0;
  flex-direction: column;
  gap: 11px;
  list-style: none;
}

.footer-col a,
.footer-col li {
  color: #b7c7c5;
  font-size: 0.84rem;
}

.footer-col a:hover {
  color: var(--yellow);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 24px 0;
  color: #6e8b89;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
}

/* Responsive */
@media (max-width: 1080px) {
  .site-nav ul {
    gap: 18px;
  }

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

@media (max-width: 900px) {
  .wrap {
    width: min(100% - 40px, var(--max-width));
  }

  .menu-toggle {
    display: block;
  }

  .nav-inner {
    position: fixed;
    inset: 76px 0 auto;
    display: none;
    padding: 24px 20px 30px;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    background: var(--petrol-deep);
    border-bottom: 1px solid var(--petrol-line);
    box-shadow: var(--shadow);
  }

  .nav-inner.open {
    display: flex;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav li {
    border-bottom: 1px solid var(--petrol-line);
  }

  .site-nav a {
    display: block;
    padding: 15px 0;
    font-size: 0.8rem;
  }

  .nav-cta {
    text-align: center;
  }

  .hero-grid,
  .about-grid,
  .split-row {
    grid-template-columns: 1fr;
  }

  .hero-blueprint {
    min-height: 420px;
  }

  .about-img-wrap img {
    height: 380px;
  }

  .tech-grid,
  .stats-grid,
  .ind-wall,
  .partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat:nth-child(2) {
    border-right: 0;
  }

  .stat:nth-child(-n + 2) {
    border-bottom: 1px solid #dfd9cc;
  }

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

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

  .section-head {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .section {
    padding: 74px 0;
  }

  .hero {
    padding-top: 56px;
  }

  .hero-copy {
    padding-bottom: 44px;
  }

  .hero-blueprint {
    min-height: 350px;
  }

  .bp-stage {
    height: 350px;
  }

  .bp-stage img {
    max-height: 320px;
  }

  .tech-grid,
  .prod-grid,
  .ind-wall,
  .stats-grid,
  .partner-grid,
  .policy-grid,
  .footer-grid,
  .spec-list {
    grid-template-columns: 1fr;
  }

  .stat {
    border-right: 0;
    border-bottom: 1px solid #dfd9cc;
  }

  .stat:last-child {
    border-bottom: 0;
  }

  .spec-list-item:nth-child(odd),
  .spec-list-item:nth-child(even) {
    padding-inline: 4px;
    border-right: 0;
  }

  .about-img-wrap img,
  .split-img img {
    height: 300px;
  }

  .motto-block {
    padding: 28px 24px;
  }

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