:root {
  --blue: #005bd3;
  --blue-light: #2f8cff;
  --white: #ffffff;
  --ink: #05070b;
  --panel: #0b111b;
  --panel-soft: #101a29;
  --text: #e9eef7;
  --muted: #9aa8ba;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 80px rgba(0, 20, 60, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--ink);
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.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;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 16px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 7, 11, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  letter-spacing: 0;
}

.brand small {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  padding: 10px 13px;
  color: var(--muted);
  font-size: 0.94rem;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  padding: 150px clamp(18px, 6vw, 72px) 34px;
  overflow: hidden;
}

.hero-media,
.hero-media picture,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media picture {
  display: block;
}

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

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 7, 11, 0.96) 0%, rgba(5, 7, 11, 0.72) 42%, rgba(5, 7, 11, 0.28) 100%),
    linear-gradient(0deg, var(--ink) 0%, rgba(5, 7, 11, 0.02) 42%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding-bottom: clamp(38px, 8vw, 96px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-light);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  color: var(--white);
  font-size: clamp(3.2rem, 8vw, 7rem);
  line-height: 0.95;
}

h2 {
  margin-bottom: 18px;
  color: var(--white);
  font-size: clamp(2rem, 4vw, 4.6rem);
  line-height: 1.04;
}

h3 {
  color: var(--white);
  font-size: 1.18rem;
}

.hero-lead {
  max-width: 640px;
  color: #d8e3f2;
  font-size: clamp(1.08rem, 2vw, 1.42rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 19px;
  border: 1px solid transparent;
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

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

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 18px 42px rgba(0, 91, 211, 0.44);
}

.button-primary {
  background: var(--blue);
  box-shadow: 0 14px 34px rgba(0, 91, 211, 0.36);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.tech-panel,
.capabilities article,
.material-grid div,
.contact-section {
  background: rgba(10, 17, 27, 0.9);
}

.tech-row span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.82rem;
}

.tech-row strong {
  color: var(--white);
  font-size: 1rem;
}

.section {
  scroll-margin-top: 94px;
  padding: clamp(68px, 10vw, 124px) clamp(18px, 6vw, 72px);
}

.intro-section,
.split-section,
.materials-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 6vw, 78px);
  align-items: center;
}

.section-heading {
  max-width: 760px;
}

.intro-copy {
  color: var(--muted);
  font-size: 1.08rem;
}

.value-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(28px, 6vw, 78px);
  align-items: start;
  padding-top: 0;
}

.value-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.value-list div {
  min-height: 160px;
  padding: 24px;
  background: rgba(10, 17, 27, 0.9);
  transition: transform 180ms ease, background 180ms ease;
}

.value-list div:hover {
  transform: translateY(-3px);
  background: rgba(14, 24, 39, 0.96);
}

.value-list strong,
.value-list span {
  display: block;
}

.value-list strong {
  margin-bottom: 10px;
  color: var(--white);
  font-size: 1.06rem;
}

.value-list span {
  color: var(--muted);
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding-top: 0;
}

.capabilities article {
  min-height: 270px;
  padding: 28px;
  border-top: 2px solid rgba(47, 140, 255, 0.62);
  background:
    linear-gradient(180deg, rgba(47, 140, 255, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(10, 17, 27, 0.72);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.capabilities article:hover {
  transform: translateY(-5px);
  border-color: var(--blue-light);
  background:
    linear-gradient(180deg, rgba(47, 140, 255, 0.14), rgba(255, 255, 255, 0.03)),
    rgba(13, 23, 37, 0.9);
  box-shadow: 0 18px 46px rgba(0, 20, 60, 0.28);
}

.capabilities p,
.split-section p,
.materials-content p,
.contact-section p {
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--blue-light);
  font-weight: 800;
  text-decoration: none;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: var(--blue-light);
  text-underline-offset: 4px;
}

.icon-dot {
  display: block;
  width: 54px;
  height: 3px;
  margin-bottom: 24px;
  background: var(--blue-light);
}

.split-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(0, 91, 211, 0.16), transparent 34%),
    #070b12;
}

.tech-panel {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.tech-row {
  padding: 24px;
  transition: background 180ms ease;
}

.tech-row:hover {
  background: rgba(47, 140, 255, 0.07);
}

.tech-row + .tech-row {
  border-top: 1px solid var(--line);
}

.materials-section {
  background:
    radial-gradient(circle at 75% 20%, rgba(0, 91, 211, 0.24), transparent 34%),
    var(--ink);
}

.materials-content {
  max-width: 700px;
}

.material-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.material-grid div {
  display: grid;
  place-items: center;
  min-height: 120px;
  border: 1px solid var(--line);
  color: var(--white);
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.material-grid div:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 140, 255, 0.7);
  background: rgba(14, 24, 39, 0.96);
}

.contact-section {
  margin: 0 clamp(18px, 6vw, 72px) clamp(48px, 7vw, 78px);
  padding: clamp(34px, 6vw, 58px);
  border: 1px solid rgba(47, 140, 255, 0.35);
  box-shadow: var(--shadow);
}

.contact-links {
  justify-self: end;
  display: grid;
  gap: 10px;
  text-align: right;
}

.contact-link {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  color: var(--white);
  font-size: clamp(1.35rem, 3.2vw, 3.1rem);
  font-weight: 800;
  text-decoration-color: var(--blue-light);
  text-decoration-thickness: 3px;
  overflow-wrap: anywhere;
}

.contact-link svg {
  flex: 0 0 auto;
  width: clamp(22px, 3vw, 34px);
  height: clamp(22px, 3vw, 34px);
  stroke: var(--blue-light);
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  padding: 26px clamp(18px, 6vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer span {
  color: var(--white);
  font-weight: 800;
}

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

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--white);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 18px;
    right: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--line);
    background: rgba(5, 7, 11, 0.96);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 14px;
  }

  .intro-section,
  .value-section,
  .split-section,
  .materials-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

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

  .contact-links {
    justify-self: start;
    text-align: left;
  }

  .contact-link {
    justify-self: start;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 66px;
    padding: 11px 16px;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 118px 18px 28px;
  }

  .hero-content {
    padding-bottom: 34px;
  }

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

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

  .value-list {
    grid-template-columns: 1fr;
  }

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

  .material-grid div {
    min-height: 92px;
  }

  .contact-section {
    margin-inline: 18px;
  }
}

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

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

  .reveal {
    opacity: 1;
    transform: none;
  }

  .button:hover,
  .button:focus-visible,
  .value-list div:hover,
  .capabilities article:hover,
  .material-grid div:hover {
    transform: none;
  }
}