:root {
  color-scheme: dark;
  --bg: #070a12;
  --bg-soft: #0b0f19;
  --panel: rgba(13, 19, 34, 0.72);
  --panel-strong: rgba(13, 19, 34, 0.92);
  --line: rgba(184, 214, 255, 0.16);
  --line-strong: rgba(83, 230, 255, 0.52);
  --text: #f4f7fb;
  --muted: #9ba8bc;
  --cyan: #53e6ff;
  --violet: #9f7cff;
  --crimson: #ff3f6e;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --radius: 8px;
  --max: 1180px;
  --header-height: 76px;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 12%, rgba(83, 230, 255, 0.16), transparent 28rem),
    radial-gradient(circle at 82% 8%, rgba(255, 63, 110, 0.12), transparent 24rem),
    linear-gradient(180deg, #070a12 0%, #0b0f19 54%, #070a12 100%);
  color: var(--text);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(83, 230, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(83, 230, 255, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

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

button,
input,
textarea {
  font: inherit;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  transform: translateY(-160%);
  border: 1px solid var(--cyan);
  background: var(--bg-soft);
  color: var(--white);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
}

.skip-link:focus {
  transform: translateY(0);
}

.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: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 10, 18, 0.72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(7, 10, 18, 0.9);
  border-color: var(--line);
}

.nav-shell {
  width: min(var(--max), calc(100% - 2rem));
  height: var(--header-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font: 700 1rem/1 "JetBrains Mono", monospace;
  letter-spacing: 0;
}

.brand-mark {
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid rgba(83, 230, 255, 0.42);
  border-radius: 7px;
  background:
    linear-gradient(135deg, rgba(83, 230, 255, 0.2), rgba(255, 63, 110, 0.08)),
    #0d1322;
  box-shadow: 0 0 28px rgba(83, 230, 255, 0.22);
  position: relative;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 0.55rem;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.brand-mark::after {
  inset: 0.88rem;
  border-color: var(--crimson);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-links a {
  color: var(--muted);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: color 180ms ease, background 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.nav-toggle {
  display: none;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  cursor: pointer;
}

.nav-line {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 0.28rem auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] .nav-line:nth-of-type(2) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-line:nth-of-type(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.62fr);
  align-items: center;
  gap: 3rem;
  padding: 6rem 0 5rem;
  isolation: isolate;
}

.telemetry-canvas,
.hero-noise {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-noise {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(83, 230, 255, 0.14), transparent 22%, transparent 78%, rgba(255, 63, 110, 0.1)),
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.08), transparent 20rem);
  opacity: 0.74;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--cyan);
  font: 700 0.82rem/1.2 "JetBrains Mono", monospace;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.contact-copy h2 {
  margin: 0;
  max-width: 13ch;
  font: 800 clamp(3.3rem, 8vw, 7.8rem)/0.9 Inter, sans-serif;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
  background: linear-gradient(90deg, var(--cyan), var(--white) 48%, var(--crimson));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 34px rgba(83, 230, 255, 0.2);
}

.hero-copy {
  max-width: 43rem;
  margin: 1.6rem 0 0;
  color: #c9d3e2;
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  min-height: 3.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1.15rem;
  color: var(--white);
  font-weight: 800;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button::before {
  content: "";
  position: absolute;
  inset: -1px;
  transform: translateX(-110%);
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: transform 420ms ease;
}

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

.button:hover::before,
.button:focus-visible::before {
  transform: translateX(110%);
}

.button-primary {
  background: linear-gradient(135deg, rgba(83, 230, 255, 0.95), rgba(159, 124, 255, 0.72));
  border-color: rgba(83, 230, 255, 0.76);
  color: #041019;
  box-shadow: 0 0 34px rgba(83, 230, 255, 0.2);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.045);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.36);
  box-shadow: 0 0 30px rgba(159, 124, 255, 0.14);
}

.hero-panel,
.service-card,
.contact-form {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.026)),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.hero-panel {
  padding: 1rem;
  min-height: 25rem;
  display: grid;
  align-content: start;
  gap: 1rem;
}

.panel-header,
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.panel-header span,
.terminal-bar span {
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 18px currentColor;
}

.panel-header span:nth-child(2),
.terminal-bar span:nth-child(2) {
  background: var(--violet);
}

.panel-header span:nth-child(3),
.terminal-bar span:nth-child(3) {
  background: var(--crimson);
}

.signal-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.035);
  border-radius: var(--radius);
  color: var(--muted);
}

.signal-row strong {
  color: var(--white);
  font-family: "JetBrains Mono", monospace;
}

.pulse-stack {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.pulse-stack span {
  height: 0.5rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  transform-origin: left center;
  animation: pulse-line 2.8s ease-in-out infinite;
}

.pulse-stack span:nth-child(2) {
  width: 78%;
  animation-delay: 140ms;
}

.pulse-stack span:nth-child(3) {
  width: 56%;
  animation-delay: 280ms;
}

.pulse-stack span:nth-child(4) {
  width: 86%;
  animation-delay: 420ms;
}

@keyframes pulse-line {
  0%,
  100% {
    opacity: 0.38;
    transform: scaleX(0.68);
  }
  50% {
    opacity: 1;
    transform: scaleX(1);
  }
}

.services,
.contact-section,
.site-footer {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.services {
  padding: 5.5rem 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(16rem, 0.3fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.section-heading h2,
.contact-copy h2 {
  max-width: 16ch;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  line-height: 0.98;
}

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

.service-card {
  position: relative;
  min-height: 31rem;
  display: flex;
  flex-direction: column;
  padding: 1.35rem;
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(83, 230, 255, 0.16), transparent 38%, rgba(255, 63, 110, 0.12));
  opacity: 0;
  transition: opacity 220ms ease;
}

.service-card > * {
  position: relative;
}

.service-card:hover,
.service-card:focus-within {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.52), 0 0 42px rgba(83, 230, 255, 0.12);
}

.service-card:hover::before,
.service-card:focus-within::before {
  opacity: 1;
}

.service-icon {
  width: 3.6rem;
  height: 3.6rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(83, 230, 255, 0.38);
  border-radius: var(--radius);
  background: rgba(83, 230, 255, 0.08);
  box-shadow: 0 0 26px rgba(83, 230, 255, 0.16);
}

.service-icon svg {
  width: 2rem;
  height: 2rem;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  margin: 1.3rem 0 1rem;
  font-size: 1.35rem;
  line-height: 1.2;
}

.service-card p {
  margin: 0;
  color: #b8c4d6;
  line-height: 1.74;
}

.text-link {
  margin-top: auto;
  padding-top: 1.5rem;
  color: var(--cyan);
  font: 700 0.95rem/1 "JetBrains Mono", monospace;
}

.text-link::after {
  content: " /";
  color: var(--crimson);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1fr);
  gap: 2rem;
  align-items: start;
  padding: 4rem 0 6rem;
}

.contact-copy {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.contact-copy p:last-child {
  max-width: 34rem;
  color: #c6d0df;
  font-size: 1.08rem;
  line-height: 1.7;
}

.contact-form {
  padding: 1rem;
}

.terminal-bar {
  margin-bottom: 1.2rem;
}

.terminal-bar strong {
  margin-left: 0.35rem;
  color: var(--muted);
  font: 700 0.8rem/1 "JetBrains Mono", monospace;
}

.field {
  position: relative;
  display: block;
  margin-bottom: 0.85rem;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid rgba(184, 214, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(2, 6, 15, 0.72);
  color: var(--text);
  outline: none;
  padding: 1.3rem 1rem 0.8rem;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.field textarea {
  min-height: 10rem;
  resize: vertical;
}

.field span {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--muted);
  pointer-events: none;
  transform-origin: left center;
  transition: transform 160ms ease, color 160ms ease;
}

.field input:focus,
.field textarea:focus {
  border-color: rgba(83, 230, 255, 0.78);
  background: rgba(2, 6, 15, 0.92);
  box-shadow: 0 0 0 4px rgba(83, 230, 255, 0.08);
}

.field input:focus + span,
.field input:not(:placeholder-shown) + span,
.field textarea:focus + span,
.field textarea:not(:placeholder-shown) + span {
  color: var(--cyan);
  transform: translateY(-0.72rem) scale(0.76);
}

.submit-button {
  width: 100%;
  margin-top: 0.25rem;
}

.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr auto;
  gap: 1.5rem;
  align-items: start;
}

.footer-brand {
  margin-bottom: 1rem;
}

.site-footer p,
.site-footer span,
.site-footer a,
.site-footer address {
  color: var(--muted);
  font-style: normal;
}

.site-footer strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--white);
}

.site-footer p {
  margin: 0.25rem 0;
}

.site-footer address,
.footer-contact {
  display: grid;
  gap: 0.38rem;
}

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

.social-links {
  display: flex;
  gap: 0.65rem;
}

.social-links a {
  width: 2.55rem;
  height: 2.55rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(83, 230, 255, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
  color: var(--cyan);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.social-links a:hover,
.social-links a:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(83, 230, 255, 0.72);
  box-shadow: 0 0 26px rgba(83, 230, 255, 0.18);
}

.social-links svg {
  width: 1.18rem;
  height: 1.18rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.social-links a:nth-child(1) svg,
.social-links a:nth-child(2) svg {
  fill: currentColor;
  stroke: none;
}

@media (max-width: 960px) {
  .hero,
  .contact-section,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 4.5rem;
  }

  .hero-panel {
    min-height: 20rem;
  }

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

  .service-card {
    min-height: auto;
  }

  .contact-copy {
    position: static;
  }

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

@media (max-width: 720px) {
  :root {
    --header-height: 68px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 1px);
    left: 1rem;
    right: 1rem;
    display: grid;
    padding: 0.6rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(7, 10, 18, 0.96);
    box-shadow: var(--shadow);
    transform: translateY(-0.8rem);
    opacity: 0;
    pointer-events: none;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    padding: 0.95rem 1rem;
  }

  .hero {
    width: min(100% - 1rem, var(--max));
    padding: 3.5rem 0 4rem;
  }

  .hero h1 {
    font-size: clamp(3rem, 16vw, 4.6rem);
  }

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

  .services,
  .contact-section,
  .site-footer {
    width: min(100% - 1rem, var(--max));
  }

  .services {
    padding: 4rem 0;
  }

  .contact-section {
    padding-bottom: 4.5rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}