/* =============================================================================
   67Virus — design system
   Dark cinematic infection UI. No frameworks.
   ============================================================================= */

:root {
  --bg: #030503;
  --bg-2: #070b07;
  --bg-3: #0c140c;
  --infect: #c8ff1a;
  --infect-2: #9ad400;
  --infect-dim: #4a6a10;
  --infect-dark: #15240a;
  --text: #ecf5e4;
  --muted: #8b9a7c;
  --line: rgba(200, 255, 26, 0.22);
  --line-strong: rgba(200, 255, 26, 0.5);
  --glow: rgba(200, 255, 26, 0.42);
  --shadow: 0 0 40px rgba(200, 255, 26, 0.12);
  --font-display: "Oswald", Impact, "Arial Narrow", sans-serif;
  --font-mono: "Share Tech Mono", "Courier New", Courier, monospace;
  --space: clamp(1.25rem, 3vw, 2.5rem);
  --wide: 1180px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --t-fast: 180ms;
  --t: 320ms;
  --t-slow: 700ms;
  --nav-h: 76px;
  --scan: 0.18;
  --grain: 0.12;
  --glow-intensity: 0.45;
}

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

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

html.js:not(.is-ready) body {
  overflow: hidden;
}

body {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--text);
  overflow-x: hidden;
  background:
    radial-gradient(1200px 700px at 50% -10%, rgba(200, 255, 26, 0.07), transparent 55%),
    radial-gradient(900px 500px at 100% 20%, rgba(80, 120, 20, 0.12), transparent 50%),
    var(--bg);
  line-height: 1.55;
  min-height: 100%;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--infect);
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--infect);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10001;
  background: var(--infect);
  color: #041004;
  padding: 0.6rem 1rem;
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
}

/* ----- overlays ----- */

.fx-scanlines,
.fx-grain,
.fx-vignette {
  pointer-events: none;
  position: fixed;
  inset: 0;
}

.fx-scanlines {
  z-index: 112;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 2px,
    rgba(0, 0, 0, var(--scan)) 2px 4px
  );
  mix-blend-mode: multiply;
  opacity: 0.55;
}

.fx-grain {
  z-index: 113;
  opacity: var(--grain);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.85'/%3E%3C/svg%3E");
  animation: grain 0.42s steps(4) infinite;
}

.fx-vignette {
  z-index: 89;
  background: radial-gradient(ellipse at center, transparent 45%, rgba(0, 0, 0, 0.72) 100%);
}

.fx-cursor {
  display: none;
}

body.has-cursor,
body.has-cursor a,
body.has-cursor button {
  cursor: none;
}

body.has-cursor .fx-cursor {
  display: block;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 10000;
  pointer-events: none;
  transform: translate3d(-50%, -50%, 0);
  mix-blend-mode: screen;
}

.fx-cursor-ring {
  display: block;
  width: 18px;
  height: 18px;
  border: 1px solid var(--infect);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--glow);
  transition: width var(--t), height var(--t), background var(--t), box-shadow var(--t);
}

.fx-cursor.is-hot .fx-cursor-ring {
  width: 54px;
  height: 54px;
  background: rgba(200, 255, 26, 0.08);
  box-shadow: 0 0 28px var(--glow);
}

.fx-cursor-label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.6);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  color: var(--infect);
  opacity: 0;
  transition: opacity var(--t);
}

.fx-cursor.is-hot .fx-cursor-label {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.fx-transmissions {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 80;
}

.fx-67 {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--infect);
  text-shadow: 0 0 18px var(--glow);
  opacity: 0;
  animation: pop67 1.15s var(--ease) forwards;
  letter-spacing: 0.08em;
}

/* ----- preloader ----- */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: #010201;
  transition: opacity 0.55s var(--ease), visibility 0.55s;
}

.preloader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

html.no-js .preloader {
  display: none;
}

.preloader-inner {
  width: min(520px, calc(100% - 2rem));
  text-align: center;
}

.preloader-logo {
  width: 108px;
  height: 108px;
  margin: 0 auto 1.4rem;
  object-fit: cover;
  filter: drop-shadow(0 0 18px var(--glow));
  animation: flicker 2.2s infinite;
}

.preloader-kicker,
.preloader-meta {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--muted);
}

.preloader-line {
  min-height: 1.6em;
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  color: var(--infect);
  text-shadow: 0 0 12px var(--glow);
}

.caret {
  display: inline-block;
  width: 0.55ch;
  height: 1em;
  margin-left: 0.15em;
  background: var(--infect);
  vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite;
}

.preloader-bar {
  margin: 1.1rem 0 0.7rem;
  height: 3px;
  background: #1a2610;
  overflow: hidden;
}

.preloader-bar-fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--infect);
  box-shadow: 0 0 12px var(--glow);
  transition: width 0.35s linear;
}

/* ----- progress ----- */

.progress-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 130;
  background: #0b1208;
}

.progress-top i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--infect);
  box-shadow: 0 0 12px var(--glow);
}

.progress-rail {
  position: fixed;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 70;
  display: flex;
  gap: 0.7rem;
  align-items: stretch;
}

.progress-track {
  width: 2px;
  background: #1c2616;
  position: relative;
}

.progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 0;
  background: var(--infect);
  box-shadow: 0 0 10px var(--glow);
}

.progress-labels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.progress-labels li.is-on {
  color: var(--infect);
  text-shadow: 0 0 10px var(--glow);
}

/* ----- nav ----- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: transparent;
  transition: background var(--t), border-color var(--t), backdrop-filter var(--t);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(3, 5, 3, 0.78);
  border-bottom-color: var(--line);
  backdrop-filter: blur(14px);
}

.nav-inner {
  height: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 1.2rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  min-width: 0;
}

.nav-brand img {
  width: 46px;
  height: 46px;
  object-fit: cover;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px var(--glow));
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-brand-text small {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--infect);
  letter-spacing: 0.18em;
}

.nav-links {
  display: flex;
  gap: 1.15rem;
  margin-left: auto;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  position: relative;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--infect);
}

.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1px;
  background: var(--infect);
  box-shadow: 0 0 8px var(--glow);
}

.nav-buy {
  margin-left: 0.4rem;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: transparent;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: var(--infect);
  transition: transform var(--t), opacity var(--t);
}

.nav.is-open .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav.is-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav.is-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ----- ticker ----- */

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(10, 18, 8, 0.7);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--infect-2);
}

.ticker-track {
  display: flex;
  gap: 2.2rem;
  width: max-content;
  padding: 0.55rem 0;
  animation: marquee 42s linear infinite;
}

.ticker-track span::before {
  content: "67";
  margin-right: 0.7rem;
  opacity: 0.45;
}

/* ----- buttons ----- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.72rem 1.15rem;
  border: 1px solid var(--infect);
  color: #061000;
  background: var(--infect);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  box-shadow: var(--shadow);
  transition: transform var(--t-fast), box-shadow var(--t), background var(--t), color var(--t);
}

.btn:hover {
  box-shadow: 0 0 24px var(--glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--infect);
}

.btn-ghost:hover {
  background: rgba(200, 255, 26, 0.08);
}

.btn-buy {
  box-shadow: 0 0 22px rgba(200, 255, 26, 0.38);
}

.btn-tiny {
  padding: 0.35rem 0.65rem;
  font-size: 0.65rem;
  clip-path: none;
}

.btn-text {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.2rem;
}

.btn-text:hover {
  color: var(--infect);
}

.btn.is-copied {
  animation: pulsePanel 0.7s var(--ease);
}

/* ----- hero ----- */

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  min-height: calc(100dvh - var(--nav-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.4rem 1.2rem 2.6rem;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200, 255, 26, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 255, 26, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  animation: gridShift 18s linear infinite;
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hud {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  z-index: 3;
}

.hud-tl { top: 1.2rem; left: 1.2rem; }
.hud-tr { top: 1.2rem; right: 1.2rem; align-items: flex-end; }

.hud-tag {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--infect);
  border: 1px solid var(--line);
  padding: 0.28rem 0.55rem;
  background: rgba(3, 8, 3, 0.55);
}

.hud-tag.pulse {
  animation: tagPulse 2.4s ease-in-out infinite;
}

.hud-tag.delay {
  animation-delay: 1.1s;
}

.hero-copy {
  position: relative;
  z-index: 4;
  text-align: center;
  max-width: 980px;
  margin: 0 auto;
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  color: var(--muted);
  margin: 0 0 0.8rem;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 0.92;
  margin: 0;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.2rem, 7vw, 5.4rem);
}

.hero-line-2 {
  display: block;
  color: var(--infect);
  text-shadow: 0 0 24px var(--glow);
  margin-top: 0.18em;
  animation: infectIn 1.4s var(--ease) both;
}

.hero-lede {
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: clamp(0.92rem, 1.6vw, 1.05rem);
}

.hero-stage {
  position: relative;
  z-index: 3;
  margin: 1.4rem auto 0;
  width: min(1280px, 100%);
}

.hero-screen {
  position: relative;
  isolation: isolate;
}

.hero-screen::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 0;
  height: 55%;
  background: radial-gradient(ellipse at center, rgba(200, 255, 26, 0.16), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero-banner {
  width: 100%;
  height: auto;
  max-height: 46vh;
  object-fit: contain;
  object-position: center;
  filter: contrast(1.08) saturate(1.15) drop-shadow(0 0 28px rgba(200, 255, 26, 0.18));
  mask-image: radial-gradient(ellipse 96% 88% at 50% 50%, #000 58%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 96% 88% at 50% 50%, #000 58%, transparent 100%);
  animation: bannerFlicker 7s ease-in-out infinite;
}

.hero-screen-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(3, 5, 3, 0.2), transparent 20%, transparent 80%, rgba(3, 5, 3, 0.55)),
    repeating-linear-gradient(to bottom, transparent 0 3px, rgba(0, 0, 0, 0.14) 3px 4px);
  mix-blend-mode: multiply;
}

.hero-actions {
  position: relative;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
  align-items: center;
  margin-top: 1.5rem;
}

.chain {
  position: relative;
  z-index: 4;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem 0.2rem;
  margin: 2rem auto 0;
  padding: 0;
}

.chain li {
  display: flex;
  align-items: center;
}

.chain li:not(:last-child)::after {
  content: "→";
  color: var(--infect);
  margin: 0 0.75rem;
  text-shadow: 0 0 10px var(--glow);
  animation: flow 1.8s linear infinite;
}

.chain-node {
  border: 1px solid var(--line);
  padding: 0.45rem 0.8rem;
  letter-spacing: 0.2em;
  font-size: 0.72rem;
  color: var(--infect);
  background: rgba(8, 14, 6, 0.7);
}

.chain-unknown {
  animation: unknownPulse 2s ease-in-out infinite;
}

/* ----- sections ----- */

.section {
  position: relative;
  padding: clamp(4.5rem, 10vw, 7.5rem) 1.2rem;
}

.section-head {
  max-width: var(--wide);
  margin: 0 auto 3rem;
}

.section-head h2,
.doc-head h2,
.community-copy h2,
.roadmap-copy h2 {
  font-size: clamp(2rem, 6vw, 4.2rem);
}

.section-lede {
  color: var(--muted);
  max-width: 46ch;
}

/* ----- timeline ----- */

.timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 2.2rem;
}

.timeline-spine {
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #1b2614;
}

.timeline-spine span {
  display: block;
  width: 100%;
  height: 0;
  background: var(--infect);
  box-shadow: 0 0 12px var(--glow);
}

.stage {
  position: relative;
  margin-bottom: 2.4rem;
  padding: 1.3rem 1.3rem 1.3rem 1.5rem;
  border: 1px solid #1c2716;
  background: rgba(7, 12, 7, 0.55);
  transform: translateY(18px);
  opacity: 0.35;
  transition: transform 0.7s var(--ease), opacity 0.7s var(--ease), border-color 0.5s, box-shadow 0.5s;
}

.stage::before {
  content: "";
  position: absolute;
  left: calc(-2.2rem + 3px);
  top: 1.55rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #24301a;
  box-shadow: 0 0 0 4px var(--bg);
}

.stage.is-on {
  opacity: 1;
  transform: none;
  border-color: var(--line-strong);
  box-shadow: inset 0 0 40px rgba(200, 255, 26, 0.05), 0 0 24px rgba(200, 255, 26, 0.08);
}

.stage.is-on::before {
  background: var(--infect);
  box-shadow: 0 0 0 4px var(--bg), 0 0 16px var(--glow);
}

.stage-num {
  display: block;
  color: var(--infect);
  letter-spacing: 0.24em;
  font-size: 0.72rem;
  margin-bottom: 0.4rem;
}

.stage h3 {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  margin-bottom: 0.45rem;
}

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

/* ----- network ----- */

.network-frame,
.terminal,
.patient,
.doc {
  background-image:
    linear-gradient(var(--infect), var(--infect)),
    linear-gradient(var(--infect), var(--infect)),
    linear-gradient(var(--infect), var(--infect)),
    linear-gradient(var(--infect), var(--infect)),
    linear-gradient(var(--infect), var(--infect)),
    linear-gradient(var(--infect), var(--infect)),
    linear-gradient(var(--infect), var(--infect)),
    linear-gradient(var(--infect), var(--infect));
  background-size: 16px 1px, 1px 16px, 16px 1px, 1px 16px, 16px 1px, 1px 16px, 16px 1px, 1px 16px;
  background-position: top left, top left, top right, top right, bottom left, bottom left, bottom right, bottom right;
  background-repeat: no-repeat;
}

.network-frame {
  max-width: 1180px;
  margin: 0 auto;
  border: 1px solid var(--line);
  background-color: #080e08;
  box-shadow: var(--shadow);
}

.network-hud {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.network-status {
  color: var(--infect);
}

#network-canvas {
  display: block;
  width: 100%;
  height: min(62vh, 560px);
  cursor: crosshair;
}

.network-caption {
  text-align: center;
  color: var(--muted);
  margin: 1.4rem 0 0;
}

/* ----- terminal ----- */

.terminal {
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--line);
  background-color: #050805;
  box-shadow: var(--shadow);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid var(--line);
  background: #0b120b;
}

.terminal-dots {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--infect);
  box-shadow: 18px 0 0 var(--infect-dim), 36px 0 0 #2a3a18;
}

.terminal-title {
  flex: 1;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-left: 2.2rem;
}

.terminal-body {
  min-height: 280px;
  max-height: 380px;
  overflow: auto;
  padding: 1rem 1.1rem 1.3rem;
  font-size: 0.92rem;
  line-height: 1.7;
}

.term-line {
  color: var(--infect-2);
}

.term-line::before {
  content: "> ";
  color: var(--infect);
}

.term-cursor::after {
  content: "";
  display: inline-block;
  width: 0.6ch;
  height: 1em;
  background: var(--infect);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite;
}

/* ----- theory / document ----- */

.theory {
  background:
    linear-gradient(180deg, transparent, rgba(20, 32, 8, 0.35), transparent);
}

.doc {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 1.4rem 1.8rem;
  border: 1px solid var(--line);
  background-color: #0a1208;
  position: relative;
}

.doc::before,
.doc::after {
  content: "67";
  position: absolute;
  font-family: var(--font-display);
  font-size: 7rem;
  color: rgba(200, 255, 26, 0.05);
  pointer-events: none;
}

.doc::before { top: 0.2rem; right: 1rem; }
.doc::after { bottom: -0.6rem; left: 0.8rem; transform: rotate(-12deg); }

.doc-stamp {
  display: inline-block;
  border: 1px solid rgba(200, 255, 26, 0.55);
  color: var(--infect);
  padding: 0.25rem 0.55rem;
  letter-spacing: 0.18em;
  font-size: 0.68rem;
  transform: rotate(-2deg);
  margin-bottom: 1rem;
}

.doc-sub {
  margin: 0.7rem 0 0;
  color: var(--muted);
  max-width: 36ch;
}

.doc-body {
  margin-top: 1.6rem;
  color: #c8d6bc;
}

.doc-accent,
.doc-question {
  color: var(--infect);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.1;
}

.doc-steps {
  padding-left: 1.1rem;
  color: var(--muted);
}

.doc-actions {
  margin-top: 1.8rem;
}

.disclaimer {
  font-size: 0.78rem;
  color: var(--muted);
  max-width: 62ch;
}

/* ----- manifesto ----- */

.manifesto {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.manifesto-track {
  max-width: 1080px;
  margin: 0 auto;
}

.manifesto-line {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 8vw, 6.2rem);
  line-height: 0.88;
  letter-spacing: 0.02em;
  margin: 0 0 2.6rem;
  text-transform: uppercase;
  opacity: 0.18;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), color 0.5s;
}

.manifesto-line.is-on {
  opacity: 1;
  transform: none;
}

.manifesto-line span:last-child {
  color: var(--infect);
}

.manifesto-climax {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 5.2rem);
  color: var(--infect);
  text-shadow: 0 0 30px var(--glow);
  margin: 2rem 0 1rem;
  text-transform: uppercase;
  opacity: 0.2;
  transform: translateY(24px);
  transition: opacity 0.7s, transform 0.7s;
}

.manifesto-climax.is-on {
  opacity: 1;
  transform: none;
}

.manifesto-67 {
  display: flex;
  gap: 1.2rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(6rem, 22vw, 14rem);
  line-height: 0.8;
  color: var(--infect);
  text-shadow: 0 0 40px var(--glow);
  margin: 0;
}

.manifesto-67 span {
  display: block;
  animation: digitFloat 3.6s ease-in-out infinite;
}

.manifesto-67 span:last-child {
  animation-delay: 0.4s;
}

/* ----- token / patient ----- */

.patient {
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--line);
  background-color: rgba(6, 12, 6, 0.92);
  padding: 0.2rem;
  transition: box-shadow 0.4s, border-color 0.4s;
}

.patient.is-pulse {
  border-color: var(--infect);
  box-shadow: 0 0 40px var(--glow);
  animation: pulsePanel 0.8s var(--ease);
}

.patient-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.field {
  padding: 1.15rem 1.2rem;
  border-bottom: 1px solid #182214;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field:nth-child(odd) {
  border-right: 1px solid #182214;
}

.field-contract {
  grid-column: 1 / -1;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1rem;
  border-right: 0;
}

.field-label {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.field-value {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  overflow-wrap: anywhere;
}

.field-contract .field-value {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  flex: 1;
  min-width: 0;
}

.pulse-text {
  color: var(--infect);
  animation: tagPulse 2.2s ease-in-out infinite;
}

.patient-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  padding: 1.1rem;
}

/* ----- anti-roadmap ----- */

.roadmap {
  position: relative;
  min-height: 88vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.roadmap-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.roadmap-copy {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem 1rem;
}

.roadmap-copy ul {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
}

.roadmap-copy li {
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 4.6rem);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.roadmap-copy li.accent {
  color: var(--infect);
  text-shadow: 0 0 24px var(--glow);
}

/* ----- community ----- */

.community {
  position: relative;
  display: grid;
  place-items: center;
  text-align: center;
  overflow: hidden;
}

.orbit {
  position: absolute;
  width: min(520px, 80vw);
  height: min(520px, 80vw);
  pointer-events: none;
  animation: spin 28s linear infinite;
  opacity: 0.55;
}

.orbit-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 120px;
  height: 120px;
  object-fit: cover;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 0 20px var(--glow));
  animation: spin 28s linear infinite reverse;
}

.orbit-node {
  position: absolute;
  left: 50%;
  top: 50%;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--infect);
  border: 1px solid var(--line);
  padding: 0.25rem 0.45rem;
  background: rgba(4, 8, 4, 0.7);
  transform:
    rotate(calc(var(--i) * 60deg))
    translate(210px)
    rotate(calc(var(--i) * -60deg));
}

.community-copy {
  position: relative;
  z-index: 2;
}

.host-lines {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 1.15rem;
  color: var(--muted);
}

.community-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

/* ----- footer ----- */

.footer {
  padding: 3rem 1.2rem 2.4rem;
  border-top: 1px solid var(--line);
  max-width: 1180px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.footer nav {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.footer nav a {
  color: var(--muted);
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.footer nav a:hover {
  color: var(--infect);
}

.footer-contract {
  margin-top: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-contract span {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.footer-contract code {
  font-family: var(--font-mono);
  color: var(--infect);
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

.footer-note {
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-end {
  font-family: var(--font-display);
  letter-spacing: 0.18em;
  color: var(--infect);
  font-size: 1.15rem;
}

/* ----- glitch ----- */

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

.glitch.is-glitching {
  animation: glitchSkew 0.22s steps(2, end);
}

.glitch.is-glitching::before,
.glitch.is-glitching::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  overflow: hidden;
}

.glitch.is-glitching::before {
  color: #7cff6a;
  clip-path: inset(0 0 55% 0);
  transform: translate(-2px, -1px);
}

.glitch.is-glitching::after {
  color: #eaff9a;
  clip-path: inset(55% 0 0 0);
  transform: translate(2px, 1px);
}

/* infection intensity (driven by JS) */

html[data-stage="exposed"] {
  --grain: 0.16;
  --scan: 0.22;
}

html[data-stage="infected"] {
  --grain: 0.2;
  --scan: 0.26;
  --glow-intensity: 0.6;
}

html[data-stage="transmitting"] {
  --grain: 0.24;
  --scan: 0.3;
}

html[data-stage="transmitting"] .hero-grid {
  animation-duration: 10s;
}

body.is-distort .fx-vignette {
  animation: distort 0.22s steps(2, end);
}

/* ----- animations ----- */

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

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(-1%, 1%); }
  50% { transform: translate(1%, -1%); }
  75% { transform: translate(-1%, -2%); }
}

@keyframes flicker {
  0%, 19%, 21%, 100% { opacity: 1; }
  20% { opacity: 0.55; }
}

@keyframes bannerFlicker {
  0%, 92%, 100% { opacity: 1; filter: contrast(1.08) saturate(1.15); }
  93% { opacity: 0.82; }
  94% { opacity: 1; }
  96% { opacity: 0.7; filter: contrast(1.4) saturate(1.4); }
}

@keyframes tagPulse {
  0%, 100% { box-shadow: 0 0 0 rgba(200, 255, 26, 0); }
  50% { box-shadow: 0 0 16px var(--glow); }
}

@keyframes infectIn {
  from { opacity: 0; transform: translateY(12px) skewX(-6deg); filter: blur(4px); }
  to { opacity: 1; transform: none; filter: none; }
}

@keyframes gridShift {
  from { background-position: 0 0; }
  to { background-position: 48px 48px; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes flow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes unknownPulse {
  0%, 100% { background: rgba(8, 14, 6, 0.7); }
  50% { background: rgba(200, 255, 26, 0.12); }
}

@keyframes pulsePanel {
  0% { box-shadow: 0 0 0 rgba(200, 255, 26, 0.1); }
  40% { box-shadow: 0 0 40px var(--glow); }
  100% { box-shadow: 0 0 18px rgba(200, 255, 26, 0.12); }
}

@keyframes pop67 {
  0% { opacity: 0; transform: scale(0.6) rotate(-8deg); }
  25% { opacity: 1; transform: scale(1.1); }
  100% { opacity: 0; transform: scale(1.4) translateY(-12px); }
}

@keyframes glitchSkew {
  0% { transform: none; }
  20% { transform: skewX(-8deg) translateX(-2px); }
  40% { transform: skewX(6deg) translateX(2px); }
  60% { transform: none; }
  80% { transform: skewX(-4deg); }
  100% { transform: none; }
}

@keyframes digitFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

@keyframes distort {
  0% { transform: none; }
  30% { transform: skewX(0.6deg) scaleY(1.01); }
  55% { transform: skewX(-0.5deg); }
  100% { transform: none; }
}

/* ----- mobile nav ----- */

@media (max-width: 860px) {
  .progress-rail {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    margin: 0;
    background: rgba(2, 6, 2, 0.96);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.6rem;
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.4s var(--ease), opacity 0.4s, visibility 0.4s;
  }

  .nav.is-open .nav-links {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .nav-links a:not(.btn) {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--text);
    letter-spacing: 0.12em;
  }

  .hud {
    display: none;
  }

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

  .field:nth-child(odd) {
    border-right: 0;
  }

  .chain {
    flex-direction: column;
    align-items: center;
  }

  .chain li {
    flex-direction: column;
  }

  .chain li:not(:last-child)::after {
    content: "↓";
    margin: 0.45rem 0;
  }

  .orbit-node {
    transform:
      rotate(calc(var(--i) * 60deg))
      translate(42vw)
      rotate(calc(var(--i) * -60deg));
  }
}

@media (max-width: 560px) {
  .hero {
    padding-top: 1.2rem;
  }

  h1 {
    font-size: clamp(1.8rem, 11vw, 2.6rem);
  }

  .hero-actions .btn {
    width: 100%;
  }

  .terminal-title {
    display: none;
  }

  .nav-brand-text {
    display: none;
  }

  .hero-banner {
    max-height: 28vh;
  }
}

/* ----- reduced motion ----- */

@media (hover: none), (pointer: coarse) {
  .fx-cursor { display: none !important; }
  body.has-cursor,
  body.has-cursor a,
  body.has-cursor button { cursor: auto; }
}

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

  .fx-grain,
  .hero-grid,
  .hero-banner,
  .preloader-logo,
  .ticker-track,
  .orbit,
  .orbit-core,
  .manifesto-67 span,
  .hud-tag.pulse,
  .chain li:not(:last-child)::after,
  .pulse-text {
    animation: none !important;
  }

  .stage,
  .manifesto-line,
  .manifesto-climax,
  .hero-line-2 {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }

  .fx-cursor { display: none !important; }
  body.has-cursor,
  body.has-cursor a,
  body.has-cursor button { cursor: auto; }
}