:root {
  --black: #020303;
  --ink: #08090a;
  --panel: #101214;
  --line: rgba(225, 229, 232, 0.2);
  --text: #f5f6f6;
  --muted: #a1a7ab;
  --steel: #d7dbde;
  --silver: #eef0f1;
  --chrome: #8e969c;
  --shadow: rgba(0, 0, 0, 0.78);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(2, 3, 3, 0.78);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.scrolled {
  background: rgba(2, 3, 3, 0.94);
  border-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  gap: clamp(16px, 3vw, 36px);
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-links a:hover {
  color: var(--text);
}

.header-tools {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.language-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, 1fr);
  width: 88px;
  min-height: 36px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
}

.language-switch button {
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
}

.language-switch button.active {
  background: linear-gradient(180deg, #fff, #aeb4b8);
  color: var(--black);
}

.header-action,
.button,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 18px;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.header-action {
  color: var(--steel);
}

.header-action:hover,
.button:hover,
.contact-form button:hover {
  transform: translateY(-2px);
  border-color: rgba(238, 240, 241, 0.72);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  padding: 112px clamp(18px, 5vw, 76px) 8vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 74% 42%, rgba(255, 255, 255, 0.11), transparent 26%),
    linear-gradient(135deg, #000 0%, #0c0d0f 42%, #020303 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 24vh;
  background: linear-gradient(transparent, var(--black));
}

.hero-media {
  position: absolute;
  inset: 64px 0 0 auto;
  width: min(55vw, 760px);
  opacity: 0.76;
}

.hero-media img {
  width: 100%;
  height: auto;
  filter: grayscale(1) contrast(1.06) drop-shadow(0 34px 90px var(--shadow));
}

.scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, transparent 0 10px, rgba(255, 255, 255, 0.03) 10px 11px);
  mix-blend-mode: screen;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--silver);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 860px;
  font-size: clamp(3.2rem, 9vw, 7.6rem);
  line-height: 0.9;
  letter-spacing: 0;
  color: var(--silver);
  text-shadow: 0 1px 0 #fff, 0 26px 70px rgba(0, 0, 0, 0.86);
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4.8vw, 4.2rem);
  line-height: 1;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.hero-copy {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--steel);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button.primary,
.contact-form button {
  background: linear-gradient(180deg, #fff, #aeb4b8);
  color: var(--black);
  border-color: rgba(255, 255, 255, 0.82);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.05);
}

.intro-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border-block: 1px solid var(--line);
  background: var(--line);
}

.intro-band div {
  padding: 26px clamp(18px, 4vw, 56px);
  background: #0b0d0f;
}

.intro-band strong {
  display: block;
  color: var(--silver);
  font-size: 2rem;
}

.intro-band span {
  color: var(--muted);
}

.section,
.systems,
.process,
.contact {
  padding: clamp(72px, 10vw, 132px) clamp(18px, 5vw, 76px);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(34px, 6vw, 80px);
  align-items: start;
}

.section-copy p:not(.eyebrow),
.section-heading,
.contact p,
.process-panel p:not(.eyebrow) {
  color: var(--muted);
  max-width: 640px;
}

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

.capability-grid article,
.systems-list article {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.018)),
    var(--panel);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 22px 60px rgba(0, 0, 0, 0.22);
}

.capability-grid p,
.systems-list p,
.timeline span {
  color: var(--muted);
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 28px;
  border: 1px solid rgba(53, 211, 197, 0.45);
  border-color: rgba(238, 240, 241, 0.48);
  border-radius: 6px;
  color: var(--silver);
  font-size: 0.76rem;
  font-weight: 800;
}

.systems {
  background:
    linear-gradient(180deg, #111315, #060707);
  color: var(--text);
  border-block: 1px solid var(--line);
}

.systems .eyebrow {
  color: var(--silver);
}

.systems-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 38px;
}

.systems-list article {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02)),
    #0d0f10;
  border-color: rgba(238, 240, 241, 0.2);
}

.systems-list span {
  display: block;
  margin-bottom: 68px;
  color: var(--silver);
  font-weight: 800;
}

.process {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(34px, 7vw, 96px);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.07), transparent 45%),
    #020303;
}

.process-panel {
  max-width: 620px;
}

.timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: item;
}

.timeline li {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.timeline strong {
  color: var(--silver);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.72fr);
  gap: clamp(34px, 8vw, 112px);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--steel);
  font-size: 0.9rem;
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  background: #090b0c;
  color: var(--text);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: var(--silver);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 76px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 850px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  .nav-links,
  .header-action {
    display: none;
  }

  .header-tools {
    margin-left: auto;
  }

  .hero {
    min-height: 88vh;
    padding-top: 92px;
  }

  .hero-media {
    inset: 72px -38vw auto auto;
    width: 118vw;
    opacity: 0.34;
  }

  .intro-band,
  .split,
  .systems-list,
  .process,
  .contact {
    grid-template-columns: 1fr;
  }

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

  .timeline li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  footer {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .brand span {
    max-width: 190px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

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

  .contact {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-form {
    padding: 18px;
  }

  .language-switch {
    width: 78px;
  }
}
