:root {
  --void: #05060a;
  --void-2: #0a0c14;
  --panel: rgba(12, 16, 28, 0.85);
  --panel-solid: #0e1220;
  --text: #e8f0ff;
  --text-dim: #7a8ba8;
  --cyan: #00e8ff;
  --cyan-dim: rgba(0, 232, 255, 0.15);
  --magenta: #ff2bd6;
  --magenta-dim: rgba(255, 43, 214, 0.12);
  --lime: #b8ff3c;
  --border: rgba(0, 232, 255, 0.18);
  --glow: 0 0 40px rgba(0, 232, 255, 0.25);
  --radius: 4px;
  --radius-lg: 12px;
  --font-display: "Orbitron", system-ui, sans-serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --container: 1120px;
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Futuristic background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -20%, rgba(0, 232, 255, 0.12), transparent 55%),
    radial-gradient(ellipse 40% 40% at 90% 80%, rgba(255, 43, 214, 0.08), transparent 50%),
    linear-gradient(rgba(0, 232, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 232, 255, 0.03) 1px, transparent 1px);
  background-size: auto, auto, 48px 48px, 48px 48px;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 4px
  );
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

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

address {
  font-style: normal;
  color: var(--text-dim);
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(5, 6, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 2rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.logo span {
  color: var(--cyan);
  text-shadow: 0 0 20px rgba(0, 232, 255, 0.6);
}

.nav {
  display: flex;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.2s, text-shadow 0.2s;
}

.nav a:hover,
.nav a.active {
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(0, 232, 255, 0.5);
}

.header__end {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
  width: 40px;
  height: 36px;
  padding: 8px;
}

.menu-btn span {
  display: block;
  height: 2px;
  background: var(--cyan);
  margin: 5px 0;
  box-shadow: 0 0 8px var(--cyan);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.25s;
}

.btn--neon {
  background: var(--cyan);
  color: var(--void);
  box-shadow: var(--glow);
}

.btn--neon:hover {
  box-shadow: 0 0 60px rgba(0, 232, 255, 0.45);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-dim);
}

.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 232, 255, 0.15);
}

.btn--lg {
  padding: 0.95rem 1.75rem;
  font-size: 0.8rem;
}

/* Hero */
.hero {
  padding: calc(var(--header-h) + 3.5rem) 0 5rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 0.4rem 0.9rem;
  margin-bottom: 1.5rem;
  background: var(--cyan-dim);
}

.chip::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--lime);
  animation: pulse 1.6s ease infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--cyan);
  text-shadow: 0 0 40px rgba(0, 232, 255, 0.45);
}

.hero__lead {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 420px;
  margin-bottom: 2rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Neural HUD mock */
.hud {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--glow), inset 0 0 60px rgba(0, 232, 255, 0.04);
  position: relative;
}

.hud::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent);
  animation: scan 3s linear infinite;
}

@keyframes scan {
  0% {
    opacity: 0.3;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.3;
  }
}

.hud__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.15rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 232, 255, 0.04);
}

.hud__bar h3 {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.hud__status {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime);
}

.hud__body {
  padding: 1.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.hud-node {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  background: rgba(5, 6, 10, 0.6);
  position: relative;
}

.hud-node--wide {
  grid-column: span 2;
  border-color: rgba(255, 43, 214, 0.35);
  background: var(--magenta-dim);
}

.hud-node__label {
  font-family: var(--font-display);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.45rem;
}

.hud-node__val {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.hud-node__sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

.hud-forecast {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.hud-forecast__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  padding: 0.45rem 0;
  border-bottom: 1px dashed rgba(0, 232, 255, 0.12);
}

.hud-forecast__row:last-child {
  border: none;
}

.hud-forecast__tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--magenta);
}

.hud__rail {
  display: flex;
  gap: 0.4rem;
  padding: 0.85rem 1.15rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.3);
}

.hud__rail span {
  flex: 1;
  height: 4px;
  background: var(--cyan-dim);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.hud__rail span::after {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--w, 60%);
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  box-shadow: 0 0 10px var(--cyan);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section--void {
  background: var(--void-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 3rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-head p {
  color: var(--text-dim);
  margin-top: 0.75rem;
}

/* Modules */
.modules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.module {
  padding: 1.75rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.module:hover {
  border-color: var(--cyan);
  box-shadow: var(--glow);
}

.module__code {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  color: var(--magenta);
  margin-bottom: 0.85rem;
}

.module h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.module p {
  font-size: 0.88rem;
  color: var(--text-dim);
}

/* Link grid */
.links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.link-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s, transform 0.2s;
}

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

.link-card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.link-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  flex: 1;
  margin-bottom: 1rem;
}

.link-card span {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* Page banner */
.page-banner {
  padding: calc(var(--header-h) + 3rem) 0 2.5rem;
  text-align: center;
}

.page-banner h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-banner p {
  color: var(--text-dim);
  max-width: 520px;
  margin: 0.75rem auto 0;
}

/* Split */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.split h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.split p {
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.checklist {
  list-style: none;
  margin-top: 1.25rem;
}

.checklist li {
  padding: 0.55rem 0 0.55rem 1.4rem;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}

.checklist li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

/* Steps */
.steps {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  max-width: 700px;
  margin-inline: auto;
}

.step {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.step__n {
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--void);
  background: var(--cyan);
  box-shadow: var(--glow);
}

.step h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.step p {
  font-size: 0.88rem;
  color: var(--text-dim);
}

/* CTA */
.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem 3rem;
  background: linear-gradient(135deg, rgba(0, 232, 255, 0.12), rgba(255, 43, 214, 0.1));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glow);
}

.cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cta p {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3rem;
}

.info-block {
  margin-bottom: 1.5rem;
}

.info-block h3 {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.35rem;
}

.form-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
}

.field {
  margin-bottom: 1.1rem;
}

.field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--void);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.92rem;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 232, 255, 0.15);
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
  margin-top: 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.footer__note {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-top: 0.5rem;
  max-width: 260px;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}

.footer__col a,
.footer__col address {
  display: block;
  font-size: 0.86rem;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.footer__col a:hover {
  color: var(--cyan);
}

.footer__bar {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.footer__bar p {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer__links {
  display: flex;
  gap: 1.25rem;
}

.footer__links a {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Legal */
.legal {
  padding: calc(var(--header-h) + 2rem) 0 4rem;
}

.legal__box {
  max-width: 680px;
  margin-inline: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.legal__box h1 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.legal__box .upd {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.legal__box h2 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cyan);
  margin: 1.5rem 0 0.5rem;
}

.legal__box p,
.legal__box li {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.legal__box ul {
  padding-left: 1.2rem;
}

.legal__box a {
  color: var(--cyan);
}

/* Cookie */
.cookie-hud {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 200;
  max-width: 380px;
  background: var(--panel-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--glow);
  transform: translateY(120%);
  opacity: 0;
  transition: 0.4s ease;
}

.cookie-hud.show {
  transform: translateY(0);
  opacity: 1;
}

.cookie-hud p {
  font-size: 0.84rem;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}

.cookie-hud a {
  color: var(--cyan);
  font-weight: 600;
}

.cookie-hud__row {
  display: flex;
  gap: 0.5rem;
}

.nav--mobile {
  display: none;
  flex-direction: column;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--void-2);
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
  z-index: 99;
}

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

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: 0.65s ease;
}

.reveal.on {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .hero__grid,
  .split,
  .contact-grid,
  .footer__grid,
  .cta,
  .modules {
    grid-template-columns: 1fr;
  }

  .cta {
    flex-direction: column;
    text-align: center;
  }

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

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

  .hud-node--wide {
    grid-column: span 1;
  }

  .nav,
  .header__end {
    display: none;
  }

  .menu-btn {
    display: block;
  }

  .hero {
    text-align: center;
  }

  .hero__lead,
  .hero__cta {
    margin-inline: auto;
    justify-content: center;
  }

  .chip {
    margin-inline: auto;
  }
}

@media (max-width: 600px) {
  .cookie-hud {
    left: 1rem;
    right: 1rem;
    max-width: none;
  }
}