:root {
  color-scheme: dark;
  --bg: #0d1110;
  --panel: #151b19;
  --panel-soft: #1f2825;
  --text: #f4f0e8;
  --muted: #b4bbb4;
  --line: rgba(244, 240, 232, 0.14);
  --accent: #2bd3a2;
  --accent-strong: #7ff0ca;
  --warning: #f1b24a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --header-height: 72px;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(120deg, rgba(43, 211, 162, 0.12), transparent 36%),
    linear-gradient(300deg, rgba(241, 178, 74, 0.08), transparent 42%),
    #0d1110;
  background-size: 48px 48px, 48px 48px, auto, auto, auto;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  width: 100%;
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  background: linear-gradient(180deg, rgba(13, 17, 16, 0.88), rgba(13, 17, 16, 0.50));
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(244, 240, 232, 0.08);
}

.brand,
.main-nav,
.header-link,
.button {
  font-size: 14px;
  font-weight: 700;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 24px;
  height: 24px;
  display: inline-block;
  background:
    linear-gradient(90deg, transparent 42%, #0d1110 42% 58%, transparent 58%),
    linear-gradient(var(--accent), var(--accent));
  border-radius: 6px;
  box-shadow: 0 0 26px rgba(43, 211, 162, 0.44);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
}

.main-nav a,
.header-link {
  transition: color 180ms ease;
}

.main-nav a:hover,
.header-link:hover {
  color: var(--text);
}

.header-link {
  color: var(--accent-strong);
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 18px;
}

.language-switch {
  display: grid;
  grid-template-columns: repeat(3, 38px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(13, 17, 16, 0.72);
}

.language-switch button {
  width: 38px;
  height: 34px;
  padding: 0;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: 700 12px/1 Inter, system-ui, sans-serif;
  transition: background 180ms ease, color 180ms ease;
}

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

.language-switch button:hover {
  color: var(--text);
}

.language-switch button.is-active {
  background: var(--accent);
  color: #07120e;
}

.language-switch button:focus-visible {
  position: relative;
  z-index: 1;
  outline: 2px solid var(--accent-strong);
  outline-offset: -2px;
}

.hero {
  min-height: 100svh;
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 1.1fr);
  align-items: center;
  gap: clamp(28px, 6vw, 96px);
  padding: calc(var(--header-height) + 40px) clamp(20px, 7vw, 112px) 64px;
  isolation: isolate;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 22vh;
  z-index: -1;
  background: linear-gradient(0deg, var(--bg), transparent);
}

.hero-content {
  min-width: 0;
  max-width: 620px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--accent-strong);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(70px, 9vw, 128px);
  line-height: 0.86;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(36px, 5vw, 74px);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  letter-spacing: 0;
}

.hero-lead,
.intro-copy p,
.feature-copy p,
.protocol-copy p,
.benefit-grid p,
.protocol-list p {
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.65;
}

.hero-lead {
  max-width: 560px;
}

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

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 8px;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button.primary {
  background: var(--accent);
  color: #07120e;
}

.button.secondary {
  border: 1px solid var(--line);
  color: var(--text);
}

.hero-visual {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
  perspective: 1200px;
}

.remote-photo {
  width: min(520px, 88vw);
  max-height: min(76vh, 760px);
  height: auto;
  position: relative;
  z-index: 2;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 34px 70px rgba(0, 0, 0, 0.46));
  animation: floatRemote 5s ease-in-out infinite;
}

.signal-ring {
  position: absolute;
  border: 1px solid rgba(43, 211, 162, 0.35);
  border-radius: 999px;
  transform: rotateX(64deg) rotateZ(-18deg);
  animation: pulseRing 3.8s ease-out infinite;
}

.ring-one {
  width: 520px;
  height: 520px;
}

.ring-two {
  width: 700px;
  height: 700px;
  animation-delay: 900ms;
}

.section,
.feature-band,
.protocols,
.service,
.specs,
.cta {
  padding: clamp(72px, 10vw, 132px) clamp(20px, 7vw, 112px);
}

.intro,
.specs {
  display: grid;
  grid-template-columns: minmax(160px, 0.35fr) minmax(320px, 1fr);
  gap: clamp(28px, 7vw, 96px);
  align-items: start;
}

.intro-copy {
  max-width: 980px;
}

.intro-copy h2 {
  max-width: 900px;
}

.intro-copy p {
  max-width: 760px;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(320px, 1fr);
  gap: clamp(28px, 7vw, 92px);
  align-items: center;
  background: #f4f0e8;
  color: #101513;
}

.feature-band .eyebrow {
  color: #0c8061;
}

.feature-band .feature-copy p,
.feature-list span {
  color: #4d5954;
}

.product-media {
  min-height: 540px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #dfe3df;
}

.product-media img {
  width: min(570px, 96%);
  height: auto;
  display: block;
  filter: drop-shadow(0 28px 42px rgba(0, 0, 0, 0.24));
  transform: rotate(-2deg);
}

.feature-list {
  display: grid;
  gap: 0;
  padding: 0;
  margin: 34px 0 0;
  list-style: none;
  border-top: 1px solid rgba(16, 21, 19, 0.16);
}

.feature-list li {
  display: grid;
  grid-template-columns: minmax(160px, 0.45fr) 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(16, 21, 19, 0.16);
}

.feature-list strong,
.feature-list span {
  font-size: 16px;
  line-height: 1.55;
}

.benefits {
  display: grid;
  grid-template-columns: minmax(160px, 0.35fr) 1fr;
  gap: clamp(28px, 7vw, 96px);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.benefit-grid article {
  min-height: 280px;
  padding: 34px;
  background: var(--bg);
}

.metric {
  display: block;
  margin-bottom: 56px;
  color: var(--warning);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: clamp(34px, 4vw, 58px);
  font-weight: 700;
}

.protocols {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(360px, 1.2fr);
  gap: clamp(36px, 8vw, 112px);
  background: var(--panel);
}

.protocol-copy {
  position: sticky;
  top: calc(var(--header-height) + 36px);
  align-self: start;
}

.protocol-list {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.protocol-list div {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 18px;
  padding: 30px 0;
  background: var(--panel);
}

.protocol-list span {
  color: var(--accent-strong);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 14px;
}

.protocol-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 24px;
}

.protocol-list p {
  grid-column: 2;
  max-width: 680px;
  margin-bottom: 0;
}

.service {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(360px, 1.15fr);
  gap: clamp(36px, 8vw, 112px);
  align-items: center;
}

.service-media {
  min-height: 620px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #090d0c;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.service-media img {
  width: min(620px, 125%);
  height: auto;
  display: block;
  transform: translateX(-4%) scale(1.05);
}

.service-list {
  border-top: 1px solid var(--line);
}

.service-list div {
  display: grid;
  grid-template-columns: minmax(150px, 0.42fr) 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.service-list strong {
  font-size: 17px;
}

.service-list p,
.service-limit {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.service-limit {
  margin-top: 22px;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 13px;
}

.specs {
  background: #111715;
}

.specs-heading {
  position: sticky;
  top: calc(var(--header-height) + 36px);
}

.spec-table {
  border-top: 1px solid var(--line);
}

.spec-table div {
  display: grid;
  grid-template-columns: minmax(170px, 0.46fr) 1fr;
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.spec-table span {
  color: var(--muted);
}

.spec-table strong {
  font-size: clamp(18px, 2vw, 28px);
  line-height: 1.3;
}

.cta {
  min-height: 58vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.cta h2 {
  max-width: 930px;
}

.contact-details {
  width: min(100%, 360px);
  display: grid;
  gap: 10px;
  padding: 26px 0 26px 30px;
  border-left: 2px solid var(--accent);
  font-style: normal;
}

.contact-details span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.contact-details strong {
  font-size: 19px;
  line-height: 1.4;
}

.contact-details a {
  width: fit-content;
  color: var(--text);
  font-size: 21px;
  font-weight: 700;
  text-decoration: none;
}

.contact-details a:hover,
.contact-details a:focus-visible {
  color: var(--accent);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

section:target [data-reveal] {
  opacity: 1;
  transform: translateY(0);
}

@keyframes floatRemote {
  0%,
  100% {
    transform: translateY(0) rotate(-1.5deg);
  }

  50% {
    transform: translateY(-16px) rotate(-1deg);
  }
}

@keyframes pulseRing {
  0% {
    opacity: 0.58;
    scale: 0.86;
  }

  100% {
    opacity: 0;
    scale: 1.08;
  }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    display: none;
  }

  .hero,
  .feature-band,
  .protocols,
  .service {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: calc(var(--header-height) + 26px);
  }

  .hero-content {
    order: 1;
  }

  .hero-visual {
    order: 2;
    min-height: 480px;
  }

  .protocol-copy,
  .specs-heading {
    position: static;
  }

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

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

  .contact-details {
    padding-left: 22px;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 64px;
  }

  .site-header {
    padding: 14px 18px;
  }

  .header-link {
    display: none;
  }

  .hero {
    min-height: auto;
    overflow: hidden;
    padding-left: 34px;
    padding-right: 34px;
    padding-bottom: 46px;
  }

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

  .hero-content,
  .hero-lead {
    width: clamp(280px, calc(100vw - 96px), 520px);
    max-width: calc(100vw - 68px);
  }

  .hero-actions,
  .button {
    max-width: clamp(280px, calc(100vw - 96px), 520px);
  }

  .hero-actions,
  .hero-actions .button {
    width: clamp(280px, calc(100vw - 96px), 520px);
  }

  h1 {
    font-size: clamp(54px, 16vw, 70px);
  }

  .hero-visual {
    min-height: 320px;
  }

  .remote-photo {
    width: min(320px, 88vw);
    max-height: none;
    left: -38px;
    animation: none;
  }

  .ring-one {
    width: 320px;
    height: 320px;
  }

  .ring-two {
    width: 430px;
    height: 430px;
  }

  .intro,
  .benefits,
  .specs {
    grid-template-columns: 1fr;
  }

  .feature-list li,
  .spec-table div,
  .protocol-list div,
  .service-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .protocol-list p {
    grid-column: 1;
  }

  .product-media,
  .service-media {
    min-height: 330px;
  }
}

@media (max-width: 480px) {
  .hero-content,
  .hero-lead,
  .hero-actions,
  .hero-actions .button {
    width: min(18rem, calc(100vw - 68px));
    max-width: min(18rem, calc(100vw - 68px));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}