:root {
  --bg: #070b17;
  --bg-soft: #0c1222;
  --surface: rgba(10, 18, 34, 0.68);
  --surface-strong: rgba(13, 23, 43, 0.92);
  --line: rgba(0, 255, 255, 0.18);
  --line-strong: rgba(0, 255, 255, 0.4);
  --text: #f2fbff;
  --muted: #93a1c0;
  --cyan: #00f7ff;
  --blue: #47a0ff;
  --pink: #ff2ac3;
  --green: #39ffb6;
  --warning: #ffe45c;
  --shadow-cyan: 0 0 24px rgba(0, 247, 255, 0.28);
  --shadow-pink: 0 0 28px rgba(255, 42, 195, 0.2);
  --radius: 24px;
  --radius-sm: 18px;
  --header-h: 82px;
  --shell: min(1240px, calc(100vw - 48px));
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Rajdhani", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 15%, rgba(0, 247, 255, 0.08), transparent 24%),
    radial-gradient(circle at 80% 25%, rgba(255, 42, 195, 0.08), transparent 20%),
    radial-gradient(circle at 50% 80%, rgba(71, 160, 255, 0.06), transparent 28%),
    linear-gradient(180deg, #040611 0%, #070b17 35%, #060914 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

body.preload-complete .preloader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

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

button,
input {
  font: inherit;
}

img,
svg,
canvas {
  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;
}

.particle-canvas,
.noise,
.scanlines,
.cursor-aura {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.particle-canvas {
  width: 100%;
  height: 100%;
  opacity: 0.8;
}

.noise {
  opacity: 0.06;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.5) 0 0.5px, transparent 0.6px),
    radial-gradient(circle at 80% 40%, rgba(255, 255, 255, 0.38) 0 0.5px, transparent 0.6px),
    radial-gradient(circle at 40% 70%, rgba(255, 255, 255, 0.24) 0 0.5px, transparent 0.6px);
  background-size: 170px 170px, 220px 220px, 140px 140px;
  mix-blend-mode: screen;
}

.scanlines {
  opacity: 0.2;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.03) 0,
    rgba(255, 255, 255, 0) 2px,
    rgba(255, 255, 255, 0.02) 4px
  );
  background-size: 100% 6px;
}

.cursor-aura {
  width: 240px;
  height: 240px;
  margin: -120px 0 0 -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 247, 255, 0.18) 0%, rgba(0, 247, 255, 0.08) 28%, transparent 72%);
  filter: blur(16px);
  opacity: 0;
  transition: opacity 240ms ease;
  z-index: 1;
}

.preloader {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  background: rgba(4, 8, 16, 0.98);
  transition: opacity 700ms ease, visibility 700ms ease;
}

.preloader__inner {
  width: min(440px, calc(100vw - 48px));
  padding: 32px;
  border: 1px solid rgba(0, 247, 255, 0.24);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(8, 13, 26, 0.9), rgba(7, 10, 20, 0.7));
  box-shadow: var(--shadow-cyan), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.preloader__label,
.preloader__status {
  margin: 0;
  font-family: "Roboto Mono", monospace;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.preloader__label {
  margin-bottom: 20px;
  font-size: 0.8rem;
}

.preloader__bar {
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: 16px;
}

.preloader__progress {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--pink), var(--cyan), var(--green));
  animation: preloadBar 2.6s ease forwards;
  box-shadow: 0 0 16px rgba(0, 247, 255, 0.45);
}

@keyframes preloadBar {
  from { width: 0; }
  to { width: 100%; }
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--shell);
  margin: 0 auto;
  padding: 16px 0;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 10px -16px;
  border: 1px solid rgba(0, 247, 255, 0.12);
  border-radius: 22px;
  background: rgba(7, 11, 23, 0.45);
  backdrop-filter: blur(16px);
  z-index: -1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand__mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--cyan) 42%, rgba(0, 247, 255, 0.08) 100%);
  box-shadow: 0 0 18px rgba(0, 247, 255, 0.7);
}

.brand__copy {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand__copy strong,
.site-nav a,
.eyebrow,
.btn,
.panel-header,
.countdown__label,
.timeline-item__phase,
.architecture-item__index {
  font-family: "Roboto Mono", monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand__copy strong {
  font-size: 0.94rem;
}

.brand__copy small {
  color: var(--muted);
  letter-spacing: 0.18em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-nav a {
  position: relative;
  font-size: 0.78rem;
  padding: 10px 14px;
  color: rgba(242, 251, 255, 0.84);
  border: 1px solid transparent;
  border-radius: 999px;
  transition: transform var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition), background var(--transition);
}

.site-nav a::after {
  content: "";
  position: absolute;
  inset: auto 12px 6px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--text);
  background: rgba(0, 247, 255, 0.06);
  border-color: rgba(0, 247, 255, 0.24);
  box-shadow: inset 0 0 24px rgba(0, 247, 255, 0.05), 0 0 16px rgba(0, 247, 255, 0.08);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.site-nav__cta {
  border-color: rgba(255, 42, 195, 0.38) !important;
  background: linear-gradient(90deg, rgba(255, 42, 195, 0.12), rgba(0, 247, 255, 0.08)) !important;
}

.nav-toggle {
  display: none;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid rgba(0, 247, 255, 0.26);
  border-radius: 16px;
  background: rgba(7, 11, 23, 0.72);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.section-shell {
  width: var(--shell);
  margin-inline: auto;
  position: relative;
  z-index: 2;
}

.section {
  padding: 120px 0;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: 88px;
}

.hero__content {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  gap: 40px;
  align-items: center;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(0, 247, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 247, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, transparent 0, rgba(0, 0, 0, 1) 18%, rgba(0, 0, 0, 1) 80%, transparent 100%);
  opacity: 0.28;
  transform: perspective(1000px) rotateX(70deg) translateY(28vh) scale(1.8);
  transform-origin: center top;
}

.hero__copy {
  max-width: 690px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--cyan);
  font-size: 0.78rem;
}

.eyebrow__line {
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Orbitron", sans-serif;
  line-height: 0.96;
}

h1 {
  font-size: clamp(3.6rem, 7vw, 7.8rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-shadow: 0 0 28px rgba(0, 247, 255, 0.18), 0 0 44px rgba(255, 42, 195, 0.12);
}

h2 {
  font-size: clamp(2.4rem, 4.8vw, 4.8rem);
  letter-spacing: 0.03em;
  margin-bottom: 22px;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin-bottom: 12px;
  line-height: 1.2;
}

p {
  margin: 0;
  font-size: clamp(1rem, 1.05vw, 1.1rem);
  color: var(--muted);
}

.glitch {
  position: relative;
  display: inline-block;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.glitch::before {
  color: var(--cyan);
  transform: translate(2px, -1px);
  mix-blend-mode: screen;
  clip-path: polygon(0 0, 100% 0, 100% 42%, 0 36%);
  animation: glitchA 4s infinite linear alternate-reverse;
}

.glitch::after {
  color: var(--pink);
  transform: translate(-2px, 1px);
  clip-path: polygon(0 58%, 100% 64%, 100% 100%, 0 100%);
  animation: glitchB 3.2s infinite linear alternate-reverse;
}

@keyframes glitchA {
  0%, 80%, 100% { transform: translate(2px, -1px); }
  20% { transform: translate(5px, -2px); }
  40% { transform: translate(-2px, 0); }
  60% { transform: translate(1px, 2px); }
}

@keyframes glitchB {
  0%, 85%, 100% { transform: translate(-2px, 1px); }
  25% { transform: translate(-5px, 2px); }
  50% { transform: translate(2px, -1px); }
  70% { transform: translate(-1px, -2px); }
}

.hero__lead {
  max-width: 58ch;
  margin-top: 22px;
  font-size: clamp(1.05rem, 1.35vw, 1.3rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 30px;
}

.btn {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 56px;
  padding: 0 24px;
  border-radius: 16px;
  border: 1px solid transparent;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 10%, rgba(255, 255, 255, 0.2) 22%, transparent 30%);
  transform: translateX(-120%);
  transition: transform 420ms ease;
}

.btn:hover::before,
.btn:focus-visible::before {
  transform: translateX(140%);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-3px);
}

.btn--primary {
  color: #041018;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  box-shadow: 0 0 20px rgba(0, 247, 255, 0.22), 0 0 36px rgba(57, 255, 182, 0.18);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  box-shadow: 0 0 22px rgba(0, 247, 255, 0.35), 0 0 44px rgba(57, 255, 182, 0.22);
}

.btn--ghost {
  color: var(--text);
  border-color: rgba(0, 247, 255, 0.28);
  background: linear-gradient(180deg, rgba(0, 247, 255, 0.08), rgba(255, 42, 195, 0.04));
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  box-shadow: var(--shadow-cyan);
}

.btn--full {
  width: 100%;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  list-style: none;
  padding: 0;
  margin: 34px 0 0;
}

.hero__stats li,
.hud-card,
.countdown,
.signup-form input {
  position: relative;
  border: 1px solid rgba(0, 247, 255, 0.18);
  background: linear-gradient(180deg, rgba(11, 17, 31, 0.84), rgba(8, 12, 24, 0.66));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02), 0 18px 56px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(12px);
}

.hud-card::before,
.hero__stats li::before,
.countdown::before,
.signup-form input::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(0, 247, 255, 0.1);
  border-radius: inherit;
  pointer-events: none;
}

.hero__stats li {
  padding: 18px 18px 16px;
  border-radius: 18px;
}

.hero__stats strong {
  display: block;
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--text);
}

.hero__stats span {
  display: block;
  font-family: "Roboto Mono", monospace;
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.14em;
}

.hero__visual {
  position: relative;
  min-height: 620px;
}

.floating-panel {
  position: absolute;
  border-radius: 28px;
}

.core-panel {
  inset: 12% 10% 14% 6%;
  padding: 22px;
  animation: float 6.2s ease-in-out infinite;
}

.side-hud {
  right: 0;
  bottom: 7%;
  width: min(320px, 68%);
  padding: 18px;
  animation: floatAlt 7s ease-in-out infinite;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(0, 247, 255, 0.14);
  font-size: 0.72rem;
  color: var(--cyan);
}

.core-panel__body {
  display: grid;
  gap: 20px;
  padding-top: 20px;
}

.radar {
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(0, 247, 255, 0.25);
  background:
    radial-gradient(circle, rgba(0, 247, 255, 0.16) 0 1px, transparent 1px),
    radial-gradient(circle, transparent 0 34%, rgba(0, 247, 255, 0.08) 34% 35%, transparent 35% 64%, rgba(0, 247, 255, 0.08) 64% 65%, transparent 65%),
    conic-gradient(from 0deg, rgba(0, 247, 255, 0.24), rgba(0, 247, 255, 0) 25%);
  box-shadow: inset 0 0 48px rgba(0, 247, 255, 0.08), 0 0 24px rgba(0, 247, 255, 0.06);
  overflow: hidden;
}

.radar::before {
  content: "";
  position: absolute;
  inset: 0;
  background: conic-gradient(from 0deg, rgba(0, 247, 255, 0.4), transparent 24% 100%);
  animation: rotate360 5.8s linear infinite;
}

.radar__pulse {
  position: absolute;
  inset: 50%;
  width: 14px;
  height: 14px;
  margin: -7px;
  border-radius: 50%;
  border: 1px solid rgba(0, 247, 255, 0.7);
  animation: radarPulse 3.2s ease-out infinite;
}

.radar__pulse--delay {
  animation-delay: 1.2s;
}

@keyframes radarPulse {
  0% { transform: scale(0.4); opacity: 0; }
  18% { opacity: 0.9; }
  100% { transform: scale(9); opacity: 0; }
}

.signal-lines {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.signal-lines span {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 42, 195, 0.15), rgba(0, 247, 255, 0.7), rgba(57, 255, 182, 0.15));
  box-shadow: 0 0 16px rgba(0, 247, 255, 0.22);
  animation: signalMove 2.8s ease-in-out infinite;
}

.signal-lines span:nth-child(2) { animation-delay: 0.22s; }
.signal-lines span:nth-child(3) { animation-delay: 0.44s; }
.signal-lines span:nth-child(4) { animation-delay: 0.66s; }

@keyframes signalMove {
  0%, 100% { transform: scaleX(0.5); opacity: 0.35; }
  50% { transform: scaleX(1); opacity: 1; }
}

.core-readouts {
  display: grid;
  gap: 12px;
}

.core-readouts small,
.data-wall small,
.countdown__grid span,
.footer-links,
.form-message {
  font-family: "Roboto Mono", monospace;
}

.core-readouts small,
.data-wall small,
.countdown__grid span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.core-readouts strong,
.data-wall strong,
.countdown__grid strong {
  font-size: 1.1rem;
  color: var(--text);
}

.side-hud__bars {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  align-items: end;
  height: 110px;
  margin-top: 18px;
}

.side-hud__bars span {
  border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, rgba(57, 255, 182, 0.2), rgba(0, 247, 255, 0.92));
  box-shadow: 0 0 16px rgba(0, 247, 255, 0.22);
  animation: equalize 2.1s ease-in-out infinite;
}

.side-hud__bars span:nth-child(1) { animation-delay: 0s; }
.side-hud__bars span:nth-child(2) { animation-delay: 0.18s; }
.side-hud__bars span:nth-child(3) { animation-delay: 0.36s; }
.side-hud__bars span:nth-child(4) { animation-delay: 0.54s; }
.side-hud__bars span:nth-child(5) { animation-delay: 0.72s; }

@keyframes equalize {
  0%, 100% { height: 24%; }
  50% { height: 100%; }
}

.side-hud__list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
  color: var(--text);
}

.orbital {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 247, 255, 0.08);
  box-shadow: inset 0 0 80px rgba(0, 247, 255, 0.02), 0 0 44px rgba(255, 42, 195, 0.04);
}

.orbital--one { inset: 10% 6% auto auto; width: 420px; height: 420px; }
.orbital--two { inset: auto auto 6% 12%; width: 280px; height: 280px; }
.orbital--three { inset: 30% 3% auto auto; width: 560px; height: 560px; }

.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Roboto Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.scroll-indicator span {
  width: 62px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: pulseLine 2s ease-in-out infinite;
}

@keyframes pulseLine {
  0%, 100% { opacity: 0.2; transform: scaleX(0.6); }
  50% { opacity: 1; transform: scaleX(1); }
}

.section-intro {
  display: grid;
  gap: 2px;
  margin-bottom: 42px;
}

.prologue-layout,
.architecture-layout,
.cta-panel {
  display: grid;
  gap: 24px;
}

.prologue-layout {
  grid-template-columns: 1.1fr 0.9fr;
}

.hud-card {
  border-radius: 24px;
  padding: 24px;
}

.story-card,
.data-wall {
  min-height: 280px;
}

.story-card {
  display: grid;
  gap: 18px;
}

.data-wall {
  display: grid;
  gap: 18px;
}

.data-wall__top,
.data-wall__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.data-wall__top span {
  font-family: "Roboto Mono", monospace;
  font-size: 0.8rem;
  color: var(--cyan);
  letter-spacing: 0.16em;
}

.data-chart {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
  align-items: end;
  height: 180px;
}

.data-chart span {
  border-radius: 999px 999px 6px 6px;
  background: linear-gradient(180deg, rgba(255, 42, 195, 0.16), rgba(0, 247, 255, 0.9));
  box-shadow: 0 0 18px rgba(0, 247, 255, 0.16);
  animation: chartPulse 2.8s ease-in-out infinite;
}

.data-chart span:nth-child(1) { height: 34%; animation-delay: 0s; }
.data-chart span:nth-child(2) { height: 62%; animation-delay: 0.14s; }
.data-chart span:nth-child(3) { height: 42%; animation-delay: 0.28s; }
.data-chart span:nth-child(4) { height: 90%; animation-delay: 0.42s; }
.data-chart span:nth-child(5) { height: 70%; animation-delay: 0.56s; }
.data-chart span:nth-child(6) { height: 56%; animation-delay: 0.7s; }
.data-chart span:nth-child(7) { height: 84%; animation-delay: 0.84s; }
.data-chart span:nth-child(8) { height: 48%; animation-delay: 0.98s; }

@keyframes chartPulse {
  0%, 100% { filter: saturate(1); transform: scaleY(0.94); }
  50% { filter: saturate(1.35); transform: scaleY(1); }
}

.data-wall__footer > div {
  min-width: 100px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.feature-card {
  border-radius: 24px;
  padding: 26px;
  transform-style: preserve-3d;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.feature-card:hover,
.feature-card:focus-within {
  border-color: rgba(0, 247, 255, 0.28);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32), 0 0 28px rgba(0, 247, 255, 0.08);
}

.feature-card__icon {
  display: inline-grid;
  place-items: center;
  width: 62px;
  height: 62px;
  margin-bottom: 20px;
  border-radius: 18px;
  font-family: "Orbitron", sans-serif;
  color: var(--cyan);
  background: linear-gradient(180deg, rgba(0, 247, 255, 0.1), rgba(255, 42, 195, 0.04));
  box-shadow: inset 0 0 0 1px rgba(0, 247, 255, 0.18), 0 0 20px rgba(0, 247, 255, 0.08);
}

.architecture-layout {
  grid-template-columns: minmax(300px, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
}

.architecture-core {
  position: sticky;
  top: calc(var(--header-h) + 28px);
  min-height: 560px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.architecture-core__ring {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 247, 255, 0.22);
  animation: rotate360 18s linear infinite;
}

.architecture-core__ring--inner {
  width: 260px;
  height: 260px;
  border-style: solid;
  border-color: rgba(255, 42, 195, 0.22);
  animation-direction: reverse;
  animation-duration: 12s;
}

.architecture-core__center {
  position: relative;
  display: grid;
  place-items: center;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.12), rgba(0, 247, 255, 0.16), rgba(7, 11, 23, 0.9) 68%);
  box-shadow: 0 0 46px rgba(0, 247, 255, 0.18), inset 0 0 36px rgba(255, 255, 255, 0.05);
  text-align: center;
}

.architecture-core__center span {
  font-family: "Roboto Mono", monospace;
  font-size: 0.76rem;
  color: var(--muted);
  letter-spacing: 0.18em;
}

.architecture-core__center strong {
  display: block;
  font-family: "Orbitron", sans-serif;
  font-size: 2.2rem;
  color: var(--text);
}

.architecture-list {
  display: grid;
  gap: 18px;
}

.architecture-item {
  padding: 24px;
  border-radius: 20px;
}

.architecture-item__index,
.timeline-item__phase {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 0.74rem;
  color: var(--cyan);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.timeline-item {
  position: relative;
  padding: 28px 24px 24px;
  border-radius: 24px;
}

.timeline-item::after {
  content: "";
  position: absolute;
  inset: auto 24px 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 247, 255, 0.6), transparent);
}

.cta-section {
  padding-bottom: 140px;
}

.cta-panel {
  grid-template-columns: 1fr minmax(360px, 0.9fr);
  align-items: stretch;
  padding: 30px;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 42, 195, 0.09), transparent 40%),
    linear-gradient(180deg, rgba(0, 247, 255, 0.08), rgba(8, 12, 24, 0.82));
}

.cta-panel__copy {
  padding: 12px;
}

.cta-panel__copy p:last-child {
  max-width: 54ch;
}

.cta-panel__action {
  display: grid;
  gap: 16px;
  align-content: start;
}

.countdown {
  border-radius: 24px;
  padding: 22px;
}

.countdown__label {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 0.76rem;
  color: var(--warning);
}

.countdown__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.countdown__grid > div {
  padding: 14px 10px;
  border-radius: 18px;
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.countdown__grid strong {
  display: block;
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
}

.signup-form {
  display: grid;
  gap: 14px;
}

.signup-form input {
  width: 100%;
  min-height: 58px;
  padding: 0 18px;
  border-radius: 18px;
  color: var(--text);
  outline: none;
}

.signup-form input::placeholder {
  color: rgba(147, 161, 192, 0.72);
}

.signup-form input:focus-visible {
  border-color: rgba(0, 247, 255, 0.4);
  box-shadow: 0 0 0 3px rgba(0, 247, 255, 0.12), var(--shadow-cyan);
}

.form-message {
  min-height: 1.5em;
  margin: 0;
  font-size: 0.84rem;
  color: var(--cyan);
}

.site-footer {
  position: relative;
  padding: 28px 0 44px;
  border-top: 1px solid rgba(0, 247, 255, 0.12);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer p {
  color: var(--muted);
  font-size: 0.94rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
}

.footer-links a {
  color: rgba(242, 251, 255, 0.88);
  transition: color var(--transition), text-shadow var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--cyan);
  text-shadow: 0 0 16px rgba(0, 247, 255, 0.28);
}

.reveal,
.reveal-x {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal-x {
  transform: translateX(38px);
}

.reveal.is-visible,
.reveal-x.is-visible {
  opacity: 1;
  transform: none;
}

[data-parallax] {
  will-change: transform;
}

.tilt-card {
  will-change: transform;
}

@keyframes rotate360 {
  to { transform: rotate(360deg); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-18px); }
}

@keyframes floatAlt {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(16px); }
}

@media (max-width: 1120px) {
  :root {
    --shell: min(1080px, calc(100vw - 36px));
  }

  .hero__content,
  .cta-panel,
  .prologue-layout,
  .architecture-layout,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    min-height: 520px;
    order: -1;
  }

  .architecture-core {
    position: relative;
    top: 0;
    min-height: 420px;
  }
}

@media (max-width: 880px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: fixed;
    inset: calc(var(--header-h) + 12px) 18px auto;
    display: grid;
    gap: 8px;
    padding: 16px;
    border: 1px solid rgba(0, 247, 255, 0.16);
    border-radius: 24px;
    background: rgba(7, 11, 23, 0.95);
    backdrop-filter: blur(16px);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .feature-grid,
  .timeline,
  .hero__stats {
    grid-template-columns: 1fr;
  }

  .site-header {
    width: min(calc(100vw - 24px), 100%);
  }

  .site-header::before {
    inset: 8px 0;
  }
}

@media (max-width: 640px) {
  :root {
    --shell: calc(100vw - 24px);
    --header-h: 74px;
  }

  .section {
    padding: 92px 0;
  }

  .hero {
    padding-top: calc(var(--header-h) + 32px);
  }

  .brand__copy small,
  .brand__copy strong {
    font-size: 0.72rem;
  }

  .hero__visual {
    min-height: 420px;
  }

  .core-panel {
    inset: 10% 0 18% 0;
  }

  .side-hud {
    width: 88%;
  }

  .hud-card,
  .cta-panel,
  .feature-card,
  .timeline-item,
  .architecture-item {
    padding: 18px;
  }

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

  .orbital--one,
  .orbital--three {
    width: 280px;
    height: 280px;
  }

  .orbital--two {
    width: 180px;
    height: 180px;
  }
}

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

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

  .cursor-aura,
  .particle-canvas,
  .noise,
  .scanlines {
    display: none;
  }

  [data-parallax],
  .tilt-card,
  .reveal,
  .reveal-x {
    transform: none !important;
    opacity: 1 !important;
  }
}