:root {
  --bg: #050510;
  --bg-2: #080921;
  --panel: rgba(9, 13, 34, 0.72);
  --panel-strong: rgba(5, 8, 24, 0.92);
  --cyan: #00ffff;
  --cyan-soft: rgba(0, 255, 255, 0.24);
  --magenta: #ff00ff;
  --magenta-soft: rgba(255, 0, 255, 0.22);
  --green: #39ff14;
  --yellow: #ffff00;
  --text: #f4fbff;
  --muted: #9fb1c8;
  --line: rgba(110, 242, 255, 0.22);
  --danger: #ff3158;
  --shadow-cyan: 0 0 18px rgba(0, 255, 255, 0.55), 0 0 48px rgba(0, 255, 255, 0.22);
  --shadow-magenta: 0 0 18px rgba(255, 0, 255, 0.48), 0 0 44px rgba(255, 0, 255, 0.2);
  --font-display: "Orbitron", "Rajdhani", system-ui, sans-serif;
  --font-body: "Rajdhani", system-ui, sans-serif;
  --font-mono: "Share Tech Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --header-height: 82px;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  background:
    radial-gradient(circle at 20% 10%, rgba(0, 255, 255, 0.13), transparent 34rem),
    radial-gradient(circle at 82% 0%, rgba(255, 0, 255, 0.14), transparent 38rem),
    linear-gradient(135deg, var(--bg), var(--bg-2) 42%, #11061d);
}

body.is-loading {
  overflow: hidden;
}

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

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

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

::selection {
  color: #02030a;
  background: var(--cyan);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10000;
  padding: 0.8rem 1rem;
  color: #000;
  font-family: var(--font-mono);
  background: var(--cyan);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.noise-layer,
.scanline-layer,
.matrix-canvas,
.particle-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.noise-layer {
  z-index: 1;
  opacity: 0.11;
  mix-blend-mode: screen;
  background-image:
    repeating-radial-gradient(circle at 17% 23%, rgba(255, 255, 255, 0.35) 0 1px, transparent 1px 3px),
    repeating-radial-gradient(circle at 83% 71%, rgba(0, 255, 255, 0.28) 0 1px, transparent 1px 4px);
  animation: noiseShift 640ms steps(2) infinite;
}

.scanline-layer {
  z-index: 2;
  opacity: 0.22;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 4px,
    rgba(0, 255, 255, 0.09) 5px,
    transparent 7px
  );
}

.matrix-canvas {
  z-index: 0;
  opacity: 0.36;
}

.particle-canvas {
  z-index: 3;
}

.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 1rem;
  background:
    radial-gradient(circle at center, rgba(0, 255, 255, 0.12), transparent 28rem),
    #02030a;
  transition:
    opacity 700ms ease,
    visibility 700ms ease;
}

.loader.is-hidden {
  visibility: hidden;
  opacity: 0;
}

.loader__frame {
  position: relative;
  width: min(620px, 92vw);
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid var(--cyan);
  background: rgba(2, 4, 14, 0.88);
  box-shadow: var(--shadow-cyan);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.loader__frame::before,
.loader__frame::after {
  position: absolute;
  content: "";
  width: 70px;
  height: 1px;
  background: var(--magenta);
  box-shadow: var(--shadow-magenta);
}

.loader__frame::before {
  top: 14px;
  right: 18px;
}

.loader__frame::after {
  bottom: 14px;
  left: 18px;
}

.loader__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.loader__logo {
  margin: 2rem 0;
  font-family: var(--font-display);
  font-size: clamp(2.7rem, 10vw, 6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.12em;
}

.loader__bar {
  height: 12px;
  padding: 2px;
  border: 1px solid rgba(0, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.04);
}

.loader__bar span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--green));
  box-shadow: var(--shadow-cyan);
  transition: width 120ms linear;
}

.loader__logs {
  display: grid;
  gap: 0.2rem;
  margin: 1.5rem 0 0;
  padding: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  list-style: none;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0, 255, 255, 0.16);
  background: linear-gradient(180deg, rgba(5, 5, 16, 0.86), rgba(5, 5, 16, 0.48));
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1320px;
  height: var(--header-height);
  margin: 0 auto;
  padding: 0 1.25rem;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: max-content;
}

.brand__mark {
  position: relative;
  width: 36px;
  height: 36px;
  border: 1px solid var(--cyan);
  box-shadow: var(--shadow-cyan);
  clip-path: polygon(50% 0, 100% 22%, 100% 78%, 50% 100%, 0 78%, 0 22%);
}

.brand__mark::before,
.brand__mark::after {
  position: absolute;
  inset: 7px;
  content: "";
  border: 1px solid var(--magenta);
  clip-path: inherit;
}

.brand__mark::after {
  inset: 14px;
  border-color: var(--green);
}

.brand__text {
  display: grid;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.12em;
}

.brand__text span {
  color: var(--cyan);
}

.nav__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.7rem, 2vw, 1.7rem);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--muted);
}

.nav__links a {
  position: relative;
  padding: 0.4rem 0;
  transition:
    color 180ms ease,
    text-shadow 180ms ease;
}

.nav__links a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--cyan);
  box-shadow: var(--shadow-cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.nav__links a:hover,
.nav__links a:focus-visible,
.nav__links a.is-active {
  color: var(--cyan);
  text-shadow: 0 0 12px var(--cyan);
}

.nav__links a:hover::after,
.nav__links a:focus-visible::after,
.nav__links a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle,
.sound-toggle {
  border: 1px solid rgba(0, 255, 255, 0.34);
  background: rgba(0, 255, 255, 0.06);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 42px;
  padding: 0.65rem;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--cyan);
  box-shadow: var(--shadow-cyan);
  transition:
    transform 220ms ease,
    opacity 220ms ease;
}

.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);
}

.sound-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-width: max-content;
  padding: 0.58rem 0.8rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition:
    color 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.sound-toggle__dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--danger);
  box-shadow: 0 0 12px var(--danger);
}

.sound-toggle[aria-pressed="true"] {
  color: var(--green);
  border-color: rgba(57, 255, 20, 0.55);
  box-shadow: 0 0 18px rgba(57, 255, 20, 0.22);
}

.sound-toggle[aria-pressed="true"] .sound-toggle__dot {
  background: var(--green);
  box-shadow: 0 0 14px var(--green);
}

.section {
  position: relative;
  z-index: 5;
  padding: clamp(5rem, 9vw, 8.5rem) 0;
}

.section__inner {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 4rem);
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    linear-gradient(rgba(0, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 0, 255, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent, #000 22%, #000 80%, transparent);
  transform: perspective(600px) rotateX(58deg) translateY(12%);
  transform-origin: center bottom;
  animation: gridMove 12s linear infinite;
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(115deg, rgba(0, 255, 255, 0.12), transparent 34%),
    linear-gradient(245deg, rgba(255, 0, 255, 0.14), transparent 42%);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.86fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5.5rem);
}

.hero__content {
  max-width: 720px;
}

.eyebrow,
.section-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  margin: 0 0 1rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow span,
.section-kicker {
  text-shadow: 0 0 14px rgba(0, 255, 255, 0.7);
}

.eyebrow span {
  padding: 0.24rem 0.55rem;
  border: 1px solid rgba(0, 255, 255, 0.28);
  background: rgba(0, 255, 255, 0.06);
}

.hero__title,
.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero__title {
  font-size: clamp(3.3rem, 10vw, 8.1rem);
  text-shadow:
    0 0 20px rgba(0, 255, 255, 0.46),
    0 0 58px rgba(255, 0, 255, 0.28);
}

.glitch-text {
  position: relative;
}

.glitch-text::before,
.glitch-text::after {
  position: absolute;
  inset: 0;
  overflow: hidden;
  content: attr(data-text);
  pointer-events: none;
  opacity: 0.72;
}

.hero__title.glitch-text::before,
.hero__title.glitch-text::after {
  content: "未来ヲ、\A再構築セヨ。";
  white-space: pre;
}

.glitch-text::before {
  color: var(--cyan);
  transform: translate(2px, -1px);
  clip-path: inset(0 0 56% 0);
  animation: glitchTop 2.8s infinite linear alternate-reverse;
}

.glitch-text::after {
  color: var(--magenta);
  transform: translate(-2px, 1px);
  clip-path: inset(46% 0 0 0);
  animation: glitchBottom 2.2s infinite linear alternate-reverse;
}

.hero__lead,
.section-lead {
  max-width: 720px;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.22rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-top: 2.2rem;
}

.cyber-button,
.ghost-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0.9rem 1.35rem;
  overflow: hidden;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.cyber-button {
  color: #02030a;
  border: 0;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  box-shadow: var(--shadow-cyan);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.cyber-button::before {
  position: absolute;
  inset: 2px;
  content: "";
  background:
    linear-gradient(115deg, transparent 0 28%, rgba(255, 255, 255, 0.55) 30%, transparent 35%),
    linear-gradient(90deg, var(--cyan), var(--magenta));
  transform: translateX(-110%);
  transition: transform 450ms ease;
}

.cyber-button::after {
  position: absolute;
  inset: auto 14px 7px;
  height: 2px;
  content: "";
  background: rgba(0, 0, 0, 0.75);
}

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

.ghost-button {
  color: var(--cyan);
  border: 1px solid rgba(0, 255, 255, 0.42);
  background: rgba(0, 255, 255, 0.045);
}

.cyber-button:hover,
.cyber-button:focus-visible,
.ghost-button:hover,
.ghost-button:focus-visible {
  transform: translateY(-3px);
  outline: 0;
}

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

.ghost-button:hover,
.ghost-button:focus-visible {
  color: var(--text);
  border-color: var(--magenta);
  box-shadow: var(--shadow-magenta);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  max-width: 620px;
  margin: 2.4rem 0 0;
}

.hero__stats div {
  padding: 0.85rem;
  border: 1px solid rgba(0, 255, 255, 0.22);
  background: rgba(4, 9, 26, 0.62);
}

.hero__stats dt {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.hero__stats dd {
  margin: 0.18rem 0 0;
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.85rem);
  font-weight: 800;
  text-shadow: var(--shadow-cyan);
}

.hero__visual {
  perspective: 1000px;
}

.holo-card {
  position: relative;
  min-height: 560px;
  padding: 1.25rem;
  border: 1px solid rgba(0, 255, 255, 0.44);
  background:
    linear-gradient(135deg, rgba(0, 255, 255, 0.12), transparent 28%),
    linear-gradient(315deg, rgba(255, 0, 255, 0.14), transparent 32%),
    rgba(3, 7, 20, 0.76);
  box-shadow:
    inset 0 0 32px rgba(0, 255, 255, 0.1),
    var(--shadow-cyan);
  transform-style: preserve-3d;
  clip-path: polygon(0 0, calc(100% - 38px) 0, 100% 38px, 100% 100%, 38px 100%, 0 calc(100% - 38px));
}

.holo-card::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 24px 24px;
}

.holo-card__corner {
  position: absolute;
  width: 34px;
  height: 34px;
  border-color: var(--cyan);
  filter: drop-shadow(0 0 8px var(--cyan));
}

.holo-card__corner--tl {
  top: 10px;
  left: 10px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.holo-card__corner--tr {
  top: 10px;
  right: 10px;
  border-top: 2px solid;
  border-right: 2px solid;
}

.holo-card__corner--bl {
  bottom: 10px;
  left: 10px;
  border-bottom: 2px solid;
  border-left: 2px solid;
}

.holo-card__corner--br {
  right: 10px;
  bottom: 10px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.holo-card__top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.status-pill {
  padding: 0.1rem 0.55rem;
  color: #061008;
  background: var(--green);
  box-shadow: 0 0 16px rgba(57, 255, 20, 0.65);
}

.core-orbit {
  position: relative;
  display: grid;
  place-items: center;
  width: min(340px, 78vw);
  aspect-ratio: 1;
  margin: 2.2rem auto;
  transform: translateZ(50px);
}

.core-orbit__ring,
.core-orbit__center {
  position: absolute;
  border-radius: 50%;
}

.core-orbit__ring {
  inset: var(--inset, 0);
  border: 1px solid rgba(0, 255, 255, 0.58);
  box-shadow: inset 0 0 18px rgba(0, 255, 255, 0.16), var(--shadow-cyan);
  animation: spin 12s linear infinite;
}

.core-orbit__ring:nth-child(1) {
  --inset: 0;
  border-style: dashed;
}

.core-orbit__ring:nth-child(2) {
  --inset: 52px;
  border-color: rgba(255, 0, 255, 0.62);
  animation-duration: 8s;
  animation-direction: reverse;
}

.core-orbit__ring:nth-child(3) {
  --inset: 104px;
  border-color: rgba(57, 255, 20, 0.62);
  animation-duration: 5.5s;
}

.core-orbit__ring::before {
  position: absolute;
  top: 13%;
  left: 50%;
  width: 10px;
  height: 10px;
  content: "";
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: var(--shadow-cyan);
}

.core-orbit__center {
  width: 72px;
  height: 72px;
  background:
    radial-gradient(circle, var(--text), var(--cyan) 24%, rgba(0, 255, 255, 0.14) 58%, transparent 70%),
    var(--cyan);
  box-shadow: 0 0 34px var(--cyan), 0 0 82px var(--magenta);
  animation: pulse 2s ease-in-out infinite;
}

.data-stack {
  display: grid;
  gap: 0.55rem;
  margin: 1rem auto 1.8rem;
  width: min(360px, 88%);
}

.data-stack span {
  display: block;
  width: var(--w);
  height: 7px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  box-shadow: var(--shadow-cyan);
  animation: dataPulse 1.8s ease-in-out infinite alternate;
}

.data-stack span:nth-child(even) {
  margin-left: auto;
  background: linear-gradient(90deg, transparent, var(--magenta));
  box-shadow: var(--shadow-magenta);
}

.terminal-panel {
  padding: 1rem;
  border: 1px solid rgba(57, 255, 20, 0.36);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  background: rgba(1, 10, 5, 0.54);
}

.terminal-panel p {
  margin: 0.2rem 0;
}

.terminal-panel__blink {
  animation: blink 1s steps(2) infinite;
}

.hero__bg-orb {
  position: absolute;
  z-index: -1;
  width: 32rem;
  aspect-ratio: 1;
  border-radius: 999px;
  filter: blur(28px);
  opacity: 0.24;
}

.hero__bg-orb--cyan {
  top: 17%;
  right: 48%;
  background: var(--cyan);
  animation: floatOrb 10s ease-in-out infinite;
}

.hero__bg-orb--magenta {
  right: -9rem;
  bottom: 10%;
  background: var(--magenta);
  animation: floatOrb 12s ease-in-out infinite reverse;
}

.scroll-cue {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  display: grid;
  place-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  transform: translateX(-50%);
}

.scroll-cue span {
  display: block;
  width: 1px;
  height: 42px;
  background: linear-gradient(var(--cyan), transparent);
  animation: scrollCue 1.4s ease-in-out infinite;
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.grid-2--reverse {
  grid-template-columns: minmax(340px, 1fr) minmax(0, 0.9fr);
}

.section-title {
  font-size: clamp(2.35rem, 6.3vw, 5.4rem);
}

.section-title span {
  color: var(--cyan);
  text-shadow: var(--shadow-cyan);
}

.section-head {
  max-width: 860px;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.panel,
.feature-card,
.timeline__item,
.access__panel,
.accordion__item {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: inset 0 0 24px rgba(0, 255, 255, 0.04);
  backdrop-filter: blur(16px);
}

.panel {
  padding: clamp(1.25rem, 4vw, 2.2rem);
}

.panel::before,
.feature-card::before,
.timeline__item::before,
.access__panel::before {
  position: absolute;
  top: -1px;
  left: 18px;
  width: 90px;
  height: 2px;
  content: "";
  background: var(--cyan);
  box-shadow: var(--shadow-cyan);
}

.panel p {
  margin: 0;
  color: var(--muted);
}

.panel p + p {
  margin-top: 1rem;
}

.data-river {
  display: flex;
  gap: 2rem;
  width: max-content;
  margin-top: 4rem;
  color: rgba(0, 255, 255, 0.5);
  font-family: var(--font-mono);
  white-space: nowrap;
  animation: marquee 22s linear infinite;
}

.data-river span:nth-child(even) {
  color: rgba(255, 0, 255, 0.55);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.feature-card {
  min-height: 350px;
  padding: 1.4rem;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.feature-card:hover,
.feature-card:focus-within {
  border-color: rgba(0, 255, 255, 0.6);
  box-shadow: var(--shadow-cyan);
}

.feature-card__icon {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin-bottom: 1.4rem;
  border: 1px solid rgba(0, 255, 255, 0.38);
  background: rgba(0, 255, 255, 0.06);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 74% 100%, 0 100%);
}

.feature-card__icon svg {
  width: 42px;
  height: 42px;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 8px var(--cyan));
}

.feature-card__code {
  margin: 0 0 0.4rem;
  color: var(--magenta);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.feature-card h3,
.timeline__item h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.22rem;
  line-height: 1.35;
}

.feature-card p,
.timeline__item p {
  color: var(--muted);
}

.architecture {
  overflow: hidden;
}

.architecture__diagram {
  position: relative;
  min-height: 460px;
  border: 1px solid rgba(255, 0, 255, 0.28);
  background:
    radial-gradient(circle at 50% 50%, rgba(0, 255, 255, 0.13), transparent 35%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    rgba(5, 8, 24, 0.68);
  background-size: auto, 30px 30px, 30px 30px, auto;
  box-shadow: var(--shadow-magenta);
  clip-path: polygon(0 24px, 24px 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.node {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 118px;
  height: 52px;
  border: 1px solid var(--cyan);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  background: var(--panel-strong);
  box-shadow: var(--shadow-cyan);
}

.node--input {
  top: 52px;
  left: 36px;
}

.node--ai {
  top: 50%;
  left: 50%;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  color: #02030a;
  background: var(--cyan);
  transform: translate(-50%, -50%);
}

.node--guard {
  right: 36px;
  top: 64px;
  border-color: var(--magenta);
  box-shadow: var(--shadow-magenta);
}

.node--output {
  right: 46px;
  bottom: 58px;
  border-color: var(--green);
  box-shadow: 0 0 18px rgba(57, 255, 20, 0.45);
}

.diagram-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.diagram-lines path {
  fill: none;
  stroke: rgba(0, 255, 255, 0.55);
  stroke-width: 2;
  stroke-dasharray: 8 10;
  filter: drop-shadow(0 0 8px var(--cyan));
  animation: dashFlow 2.6s linear infinite;
}

.accordion {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.accordion__item {
  overflow: hidden;
}

.accordion__button {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 0.8rem;
  padding: 1rem;
  border: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 800;
  text-align: left;
  background: transparent;
  cursor: pointer;
}

.accordion__button span {
  color: var(--cyan);
  font-family: var(--font-mono);
}

.accordion__button::after {
  margin-left: auto;
  color: var(--cyan);
  content: "+";
}

.accordion__item.is-open .accordion__button::after {
  content: "−";
}

.accordion__content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 240ms ease;
}

.accordion__content > p {
  min-height: 0;
  margin: 0;
  padding: 0 1rem;
  overflow: hidden;
  color: var(--muted);
}

.accordion__item.is-open .accordion__content {
  grid-template-rows: 1fr;
}

.accordion__item.is-open .accordion__content > p {
  padding-bottom: 1rem;
}

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

.timeline::before {
  position: absolute;
  top: 2.1rem;
  right: 8%;
  left: 8%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent);
  box-shadow: var(--shadow-cyan);
}

.timeline__item {
  min-height: 250px;
  padding: 1.5rem;
}

.timeline__item time {
  display: inline-block;
  margin-bottom: 2.5rem;
  padding: 0.24rem 0.65rem;
  color: #02030a;
  font-family: var(--font-mono);
  background: var(--cyan);
  box-shadow: var(--shadow-cyan);
}

.access {
  padding-bottom: clamp(6rem, 10vw, 10rem);
}

.access__inner {
  max-width: 920px;
}

.access__panel {
  padding: clamp(1.5rem, 5vw, 3.5rem);
  overflow: hidden;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0, rgba(255, 0, 255, 0.2), transparent 26rem),
    rgba(5, 8, 24, 0.78);
  clip-path: polygon(0 0, calc(100% - 42px) 0, 100% 42px, 100% 100%, 42px 100%, 0 calc(100% - 42px));
}

.access__panel .section-kicker {
  justify-content: center;
}

.access__panel .section-lead {
  margin-right: auto;
  margin-left: auto;
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  max-width: 680px;
  margin: 2.1rem auto;
}

.countdown div {
  padding: 1rem 0.6rem;
  border: 1px solid rgba(0, 255, 255, 0.3);
  background: rgba(0, 255, 255, 0.055);
}

.countdown span {
  display: block;
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1;
  text-shadow: var(--shadow-cyan);
}

.countdown small {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.signup-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.8rem;
  max-width: 760px;
  margin: 0 auto;
}

.signup-form input {
  min-height: 56px;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(0, 255, 255, 0.34);
  border-radius: 0;
  color: var(--text);
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.35);
  outline: 0;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.signup-form input:focus {
  border-color: var(--cyan);
  box-shadow: var(--shadow-cyan);
}

.cyber-button--form {
  min-width: 260px;
}

.form-message {
  min-height: 1.5em;
  margin: 1rem 0 0;
  color: var(--green);
  font-family: var(--font-mono);
}

.site-footer {
  position: relative;
  z-index: 5;
  border-top: 1px solid rgba(0, 255, 255, 0.18);
  background: rgba(2, 4, 14, 0.84);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1.2rem;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.brand--footer {
  transform: scale(0.9);
  transform-origin: left center;
}

.footer-links,
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a,
.social-links a {
  color: var(--muted);
  transition:
    color 180ms ease,
    text-shadow 180ms ease;
}

.footer-links a:hover,
.footer-links a:focus-visible,
.social-links a:hover,
.social-links a:focus-visible {
  color: var(--cyan);
  text-shadow: var(--shadow-cyan);
  outline: 0;
}

.social-links a {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(0, 255, 255, 0.25);
}

.reveal {
  opacity: 0;
  transform: translateY(32px) scale(0.98);
  transition:
    opacity 780ms ease,
    transform 780ms ease;
}

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

.reveal--delay {
  transition-delay: 140ms;
}

.reveal--delay-2 {
  transition-delay: 260ms;
}

@keyframes noiseShift {
  0% {
    transform: translate3d(0, 0, 0);
  }

  100% {
    transform: translate3d(-2%, 1%, 0);
  }
}

@keyframes gridMove {
  from {
    background-position: 0 0;
  }

  to {
    background-position: 0 72px;
  }
}

@keyframes glitchTop {
  0%,
  100% {
    transform: translate(2px, -1px);
    clip-path: inset(0 0 62% 0);
  }

  18% {
    transform: translate(-4px, -1px);
    clip-path: inset(12% 0 54% 0);
  }

  22% {
    transform: translate(6px, -2px);
    clip-path: inset(0 0 72% 0);
  }

  46% {
    transform: translate(-2px, 0);
    clip-path: inset(24% 0 42% 0);
  }

  78% {
    transform: translate(3px, -3px);
    clip-path: inset(8% 0 65% 0);
  }
}

@keyframes glitchBottom {
  0%,
  100% {
    transform: translate(-2px, 1px);
    clip-path: inset(48% 0 0 0);
  }

  24% {
    transform: translate(4px, 2px);
    clip-path: inset(58% 0 12% 0);
  }

  31% {
    transform: translate(-6px, 1px);
    clip-path: inset(38% 0 34% 0);
  }

  66% {
    transform: translate(2px, 4px);
    clip-path: inset(70% 0 4% 0);
  }
}

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

@keyframes pulse {
  0%,
  100% {
    transform: scale(0.92);
    opacity: 0.85;
  }

  50% {
    transform: scale(1.08);
    opacity: 1;
  }
}

@keyframes dataPulse {
  from {
    opacity: 0.45;
    transform: scaleX(0.72);
  }

  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes floatOrb {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(34px, -28px, 0) scale(1.12);
  }
}

@keyframes scrollCue {
  0%,
  100% {
    transform: scaleY(0.55);
    transform-origin: top;
    opacity: 0.45;
  }

  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

@keyframes dashFlow {
  to {
    stroke-dashoffset: -36;
  }
}

@media (max-width: 980px) {
  :root {
    --header-height: 72px;
  }

  body {
    font-size: 17px;
  }

  .nav-toggle {
    display: block;
  }

  .nav__links {
    position: fixed;
    top: var(--header-height);
    right: 1rem;
    left: 1rem;
    display: grid;
    padding: 1rem;
    border: 1px solid rgba(0, 255, 255, 0.3);
    background: rgba(3, 7, 20, 0.96);
    box-shadow: var(--shadow-cyan);
    transform: translateY(-16px);
    visibility: hidden;
    opacity: 0;
    transition:
      opacity 180ms ease,
      transform 180ms ease,
      visibility 180ms ease;
  }

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

  .sound-toggle {
    margin-left: auto;
  }

  .hero__inner,
  .grid-2,
  .grid-2--reverse {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    order: -1;
  }

  .holo-card {
    min-height: 470px;
  }

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

  .timeline::before {
    top: 0;
    bottom: 0;
    left: 1.2rem;
    width: 1px;
    height: auto;
    background: linear-gradient(transparent, var(--cyan), var(--magenta), transparent);
  }

  .timeline__item {
    margin-left: 2rem;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }

  .signup-form {
    grid-template-columns: 1fr;
  }

  .cyber-button--form {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 620px) {
  .nav {
    padding: 0 0.85rem;
  }

  .brand__text {
    font-size: 0.74rem;
  }

  .sound-toggle {
    padding: 0.5rem 0.62rem;
    font-size: 0.7rem;
  }

  .hero {
    padding-top: calc(var(--header-height) + 2rem);
  }

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

  .holo-card {
    min-height: 420px;
    padding: 1rem;
  }

  .terminal-panel {
    font-size: 0.76rem;
  }

  .architecture__diagram {
    min-height: 380px;
  }

  .node {
    width: 96px;
    height: 46px;
    font-size: 0.72rem;
  }

  .node--ai {
    width: 104px;
    height: 104px;
  }

  .node--input {
    left: 16px;
  }

  .node--guard {
    right: 16px;
  }

  .node--output {
    right: 22px;
  }

  .access__panel {
    clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }

  .matrix-canvas,
  .particle-canvas,
  .noise-layer,
  .scanline-layer {
    display: none;
  }

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