:root {
  color-scheme: dark;
  --bg: #000000;
  --surface: #0a0d17;
  --surface-2: #101426;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f6f7ff;
  --muted: #98989d;
  --purple: #5e5ce6;
  --violet: #5e5ce6;
  --cyan: #64d2ff;
  --shell: min(1180px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}
html {
  overflow-x: clip;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 49% -12%, rgba(94, 92, 230, 0.08), transparent 44%), var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button,
input {
  font: inherit;
}
svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.page-glow {
  position: fixed;
  z-index: -1;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  opacity: 0.12;
}
.glow-one {
  top: 18%;
  left: -340px;
  background: var(--violet);
}
.glow-two {
  right: -340px;
  top: 55%;
  background: rgba(100, 210, 255, 0.6);
}
.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 18px;
  left: 50%;
  width: min(1160px, calc(100% - 32px));
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  background: rgba(30, 30, 32, 0.65);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  transform: translateX(-50%);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: max-content;
}
.brand img {
  display: block;
  border-radius: 12px;
  filter: drop-shadow(0 5px 14px rgba(97, 63, 255, 0.25));
}
.brand span {
  display: grid;
  gap: 2px;
}
.brand strong {
  font-size: 13px;
  line-height: 1;
  letter-spacing: 0.18em;
}
.brand small {
  color: #8f96ac;
  font-size: 6px;
  font-weight: 700;
  letter-spacing: 0.3em;
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: #b7bdd0;
  font-size: 13px;
  font-weight: 600;
}
.desktop-nav a,
.header-login,
.header-bot {
  transition: color 0.2s ease;
}
.desktop-nav a:hover,
.header-login:hover,
.header-bot:hover {
  color: #fff;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 17px;
}
.header-login {
  color: #c5cada;
  font-size: 13px;
  font-weight: 600;
}
.header-bot {
  color: #9da8ff;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: #fff;
  background: rgba(128, 91, 255, 0.09);
  place-content: center;
  gap: 6px;
}
.menu-button span {
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.2s ease;
}
.menu-button[aria-expanded='true'] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}
.menu-button[aria-expanded='true'] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}
.mobile-nav {
  position: absolute;
  inset: calc(100% + 8px) 0 auto;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 16px;
  background: #0a0d19;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}
.mobile-nav a {
  display: block;
  padding: 13px 14px;
  border-radius: 10px;
  color: #cbd0df;
  font-size: 14px;
  font-weight: 600;
}
.mobile-nav a:last-child {
  color: #fff;
  background: linear-gradient(110deg, rgba(143, 67, 255, 0.26), rgba(56, 203, 235, 0.17));
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}
.button:hover {
  transform: translateY(-2px);
}
.button:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(66, 218, 242, 0.38);
  outline-offset: 3px;
}
.button svg {
  width: 16px;
}
.button-small {
  position: relative;
  min-width: 108px;
  min-height: 40px;
  flex: 0 0 auto;
  overflow: hidden;
  isolation: isolate;
  padding-inline: 16px;
  border-color: rgba(194, 232, 255, 0.24);
  border-radius: 11px;
  background: linear-gradient(115deg, #8245f4 0%, #6377f5 54%, #55c9e5 100%);
  background-clip: padding-box;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 5px 14px rgba(91, 77, 220, 0.16);
}
.site-header .button-small:hover {
  transform: none;
  border-color: rgba(209, 239, 255, 0.38);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 6px 16px rgba(91, 77, 220, 0.2);
}
.button-primary {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-color: rgba(255, 255, 255, 0.08);
  background: var(--purple);
  background-clip: padding-box;
  box-shadow: none;
}
.button-primary:hover {
  background: #6c6aeb;
}
.button-discord {
  border-color: transparent;
  color: #fff;
  background: #5865f2;
  box-shadow: none;
}
.button-discord:hover {
  background: #4752c4;
}
.button-discord svg {
  width: 19px;
  height: 19px;
}
.button.button-disabled,
.button.button-disabled:hover {
  cursor: not-allowed;
  transform: none;
  border-color: rgba(255, 255, 255, 0.1);
  color: rgba(235, 238, 255, 0.68);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: none;
}
.button-ghost {
  border-color: rgba(255, 255, 255, 0.12);
  color: #d5d9e7;
  background: rgba(255, 255, 255, 0.025);
}
.button-ghost:hover {
  border-color: rgba(148, 119, 255, 0.38);
  background: rgba(128, 96, 255, 0.07);
}

.hero {
  min-height: 860px;
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  align-items: center;
  gap: 46px;
  padding-top: 125px;
}
.hero-copy {
  position: relative;
  z-index: 2;
  padding-bottom: 8px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #57dbf0;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.21em;
}
.eyebrow i {
  width: 22px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}
.hero h1 {
  max-width: 600px;
  margin: 23px 0 23px;
  font-size: clamp(50px, 5.25vw, 75px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.hero h1 span,
.section-heading h2 span,
.security-copy h2 span,
.download-copy h2 span {
  color: transparent;
  background: linear-gradient(100deg, #9c66ff, #53dced);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-copy > p {
  max-width: 540px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 32px;
}

.hero-actions .button {
  min-width: 0;
  white-space: nowrap;
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 28px;
  color: #858da3;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.trust-row span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.trust-row span + span::before {
  content: '';
  width: 3px;
  height: 3px;
  margin-right: 1px;
  border-radius: 50%;
  background: #373d52;
}
.trust-row .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #31dda6;
  box-shadow: 0 0 12px #31dda6;
}

.product-stage {
  position: relative;
  min-width: 0;
  perspective: 1400px;
}
.product-stage::before {
  content: '';
  position: absolute;
  inset: -120px -150px -120px -100px;
  z-index: -2;
  background: url('/assets/nulleon-arena.webp') center/cover;
  opacity: 0.12;
  mask-image: radial-gradient(ellipse, #000 30%, transparent 72%);
}
.stage-aura {
  position: absolute;
  inset: 8% 5%;
  z-index: -1;
  border-radius: 50%;
  background: linear-gradient(115deg, rgba(136, 44, 255, 0.47), rgba(49, 211, 240, 0.28));
  filter: blur(68px);
  opacity: 0.48;
}
.app-window {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  background: #080910;
  box-shadow:
    0 44px 110px rgba(0, 0, 0, 0.62);
  transform: rotateY(-4deg) rotateX(1.2deg);
  transform-origin: center;
}
.window-top {
  height: 53px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 17px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: #0f1320;
  color: #aab1c7;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.window-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #eff1fb;
}
.window-brand img {
  width: 22px;
  height: 22px;
}
.window-room {
  display: flex;
  align-items: center;
  gap: 7px;
}
.window-room i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #28dea5;
  box-shadow: 0 0 9px #28dea5;
}
.window-dots {
  display: flex;
  justify-content: end;
  gap: 5px;
}
.window-dots b {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3e455b;
}
.window-content {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 10px;
  padding: 12px 12px 9px;
}
.shared-screen {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  background: #0d0f16;
  box-shadow: 0 24px 48px rgba(0,0,0,0.4);
}
.shared-screen::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 24px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background-image: 
    radial-gradient(circle at 12px 12px, rgba(255, 255, 255, 0.2) 2px, transparent 3px),
    radial-gradient(circle at 18px 12px, rgba(255, 255, 255, 0.2) 2px, transparent 3px),
    radial-gradient(circle at 24px 12px, rgba(255, 255, 255, 0.2) 2px, transparent 3px),
    linear-gradient(rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.03));
  background-size: 100% 100%, 100% 100%, 100% 100%, 150px 10px;
  background-position: 0 0, 0 0, 0 0, 40px 7px;
  background-repeat: no-repeat;
  z-index: 10;
  border-radius: 12px 12px 0 0;
}
.dash-placeholder {
  position: absolute;
  top: 24px; left: 0; right: 0; bottom: 0;
  background: #000;
  border-radius: 0 0 12px 12px;
}
.live-badge {
  position: absolute;
  right: 10px;
  top: 38px;
  padding: 7px 9px;
  border: 1px solid rgba(87, 226, 209, 0.2);
  border-radius: 7px;
  color: #b3f7e7;
  background: rgba(8, 21, 23, 0.76);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.live-badge i {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 4px;
  border-radius: 50%;
  background: #29dea5;
  box-shadow: 0 0 8px #29dea5;
}
.people-strip {
  display: grid;
  align-content: start;
  gap: 8px;
}
.person {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 48px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  background: rgba(20, 22, 28, 0.6);
}
.person > span {
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  place-items: center;
  border-radius: 6px;
  color: #d7d9e7;
  background: #252b40;
  font-size: 7px;
  font-weight: 800;
}
.person p {
  margin: 0;
  font-size: 9px;
  font-weight: 700;
  line-height: 1.2;
}
.person small {
  display: block;
  color: #727a91;
  font-size: 7px;
  font-weight: 500;
}
.person.speaking {
  border-color: #32d74b;
  background: rgba(50, 215, 75, 0.08);
  box-shadow: none;
}
.person.speaking > span {
  color: #fff;
  background: rgba(50, 215, 75, 0.15);
}
.window-controls {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 0 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: transparent;
}
.control-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #73eecb;
  font-size: 8px;
  font-weight: 700;
}
.wave {
  width: 14px;
  height: 10px;
  background: repeating-linear-gradient(90deg, #40dcb3 0 2px, transparent 2px 4px);
  mask-image: linear-gradient(180deg, transparent, #000 20% 80%, transparent);
}
.window-controls > div {
  display: flex;
  gap: 6px;
}
.window-controls button {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}
.window-controls .share-control {
  background: var(--purple);
}
.floating-card {
  position: absolute;
  z-index: 3;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  background: rgba(30, 30, 32, 0.65);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
}
.floating-card small {
  color: #798299;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.15em;
}
.floating-card strong {
  display: block;
  margin-top: 4px;
  font-size: 11px;
}
.quality-card {
  right: -17px;
  top: 18%;
  padding: 13px 16px;
  border-radius: 11px;
}
.secure-card {
  left: -21px;
  bottom: 13%;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 15px;
  border-radius: 12px;
}
.secure-card svg {
  width: 20px;
  color: #5be2e9;
}

.proof-strip {
  min-height: 105px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  border-block: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.014);
}
.proof-strip div {
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.065);
}
.proof-strip div:last-child {
  border: 0;
}
.proof-strip strong {
  color: #5ce0ef;
  font-size: 9px;
  font-weight: 800;
}
.proof-strip span {
  color: #aeb5c8;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.features,
.steps,
.security,
.download {
  padding-block: 135px;
}
.section-heading {
  max-width: 780px;
  margin-bottom: 48px;
}
.section-heading h2,
.security-copy h2,
.download-copy h2 {
  margin: 18px 0;
  font-size: clamp(36px, 4.3vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.045em;
}
.section-heading > p,
.security-copy > p,
.download-copy > p {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 318px;
  grid-column: span 4;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  background: rgba(30, 30, 32, 0.65);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: none;
}
.feature-card::after {
  content: '';
  position: absolute;
  inset: auto -30% -50% 30%;
  height: 180px;
  border-radius: 50%;
  background: rgba(108, 62, 230, 0.1);
  filter: blur(50px);
  pointer-events: none;
}
.feature-wide {
  min-height: 350px;
  grid-column: span 8;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: center;
}
.feature-number {
  display: block;
  margin-bottom: 48px;
  color: #626a80;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.feature-card h3 {
  position: relative;
  z-index: 1;
  max-width: 460px;
  margin: 0 0 12px;
  font-size: 21px;
  line-height: 1.25;
  letter-spacing: -0.025em;
}
.feature-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #929aad;
  font-size: 13px;
  line-height: 1.65;
}
.feature-card code,
.step code {
  padding: 2px 6px;
  border: 1px solid rgba(137, 104, 255, 0.24);
  border-radius: 5px;
  color: #c6b4ff;
  background: rgba(116, 80, 220, 0.1);
  font-family: inherit;
  font-size: 0.9em;
}
.feature-copy small {
  display: block;
  margin-top: 20px;
  color: #626b80;
  font-size: 9px;
}
.feature-wide .feature-number {
  margin-bottom: 55px;
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 30px;
  border-radius: 14px;
}
.feature-icon svg {
  width: 23px;
}
.gradient-icon {
  color: #c7a9ff;
  background: linear-gradient(145deg, rgba(144, 57, 255, 0.3), rgba(75, 57, 173, 0.09));
}
.cyan-icon {
  color: #5ee0f2;
  background: linear-gradient(145deg, rgba(68, 211, 239, 0.24), rgba(46, 108, 145, 0.08));
}
.audio-visual {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 15px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 16px;
  background: #080b15;
}
.audio-app {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 11px;
  background: #111523;
}
.audio-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: #cec3ff;
  background: rgba(123, 81, 245, 0.17);
  font-size: 10px;
}
.audio-app p {
  color: #dce0ed;
  font-size: 10px;
  font-weight: 700;
}
.audio-app small {
  display: block;
  margin-top: 3px;
  color: #6f788d;
  font-size: 7px;
  font-weight: 500;
}
.audio-app > i {
  width: 27px;
  height: 15px;
  border-radius: 20px;
  background: #252b3e;
}
.audio-app > i::after {
  content: '';
  display: block;
  width: 11px;
  height: 11px;
  margin: 2px;
  border-radius: 50%;
  background: #707a91;
}
.audio-app.active {
  border-color: rgba(83, 218, 240, 0.18);
}
.audio-app.active > i {
  background: #7a51f5;
}
.audio-app.active > i::after {
  margin-left: 14px;
  background: white;
}
.audio-app.muted {
  opacity: 0.65;
}
.audio-line {
  height: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: #5ce1ee;
}
.audio-line b {
  width: 3px;
  height: 8px;
  border-radius: 4px;
  background: currentColor;
  box-shadow: 0 0 7px currentColor;
  animation: audio 1.3s ease-in-out infinite alternate;
}
.audio-line b:nth-child(2n) {
  height: 19px;
  animation-delay: -0.4s;
}
.audio-line b:nth-child(3n) {
  height: 13px;
  animation-delay: -0.8s;
}
@keyframes audio {
  to {
    transform: scaleY(0.45);
    opacity: 0.55;
  }
}
.feature-dark {
  background: #080a12;
}
.privacy-orbit {
  position: relative;
  width: 120px;
  height: 80px;
  margin: -4px auto 24px;
}
.privacy-orbit > i {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(83, 220, 240, 0.18);
  border-radius: 50%;
  transform: rotate(-18deg);
}
.privacy-orbit > i:nth-child(2) {
  transform: rotate(35deg) scale(0.74);
  border-color: rgba(153, 83, 255, 0.26);
}
.privacy-orbit > i:nth-child(3) {
  transform: rotate(80deg) scale(0.48);
}
.privacy-orbit span {
  position: absolute;
  inset: 20px 40px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #67e3ef;
  background: #16162b;
  box-shadow: 0 0 30px rgba(100, 80, 240, 0.2);
}
.privacy-orbit svg {
  width: 21px;
}
.feature-accent {
  background: linear-gradient(145deg, rgba(44, 28, 88, 0.9), rgba(12, 16, 30, 0.97));
}
.update-visual {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: -10px 0 25px;
}
.update-visual span,
.update-visual strong {
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9px;
  font-size: 10px;
}
.update-visual span {
  color: #777f94;
  background: rgba(255, 255, 255, 0.025);
}
.update-visual strong {
  color: #dffcff;
  background: linear-gradient(135deg, rgba(139, 62, 255, 0.35), rgba(53, 209, 235, 0.24));
  box-shadow: 0 0 24px rgba(96, 81, 238, 0.18);
}
.update-visual i {
  color: #5adeeb;
  font-style: normal;
}

.steps {
  border-top: 1px solid rgba(255, 255, 255, 0.045);
}
.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}
.section-heading.centered .eyebrow {
  justify-content: center;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.step {
  position: relative;
  min-height: 285px;
  padding: 30px;
  border-top: 1px solid rgba(126, 95, 241, 0.42);
  background: linear-gradient(180deg, rgba(128, 90, 241, 0.055), transparent);
}
.step > b {
  color: #4e566a;
  font-size: 10px;
  letter-spacing: 0.13em;
}
.step-icon {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  margin: 48px 0 28px;
  border: 1px solid rgba(141, 101, 255, 0.28);
  border-radius: 14px;
  color: #bda5ff;
  background: rgba(105, 69, 215, 0.11);
  font-size: 22px;
  font-weight: 500;
}
.step-icon svg {
  width: 24px;
}
.live-step i {
  width: 10px;
  height: 10px;
  border: 2px solid #63efcb;
  border-radius: 50%;
  box-shadow:
    0 0 0 6px rgba(73, 224, 185, 0.1),
    0 0 18px #3adfb6;
}
.step h3 {
  margin: 0 0 10px;
  font-size: 19px;
}
.step p {
  margin: 0;
  color: #8f97ab;
  font-size: 13px;
  line-height: 1.6;
}

.security-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 85px;
  align-items: center;
  padding: 70px;
  border: 1px solid rgba(119, 92, 225, 0.3);
  border-radius: 25px;
  background: linear-gradient(135deg, #101329, #090c17 65%);
}
.security-panel::before {
  content: '';
  position: absolute;
  inset: -50% auto auto -15%;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: rgba(121, 52, 233, 0.13);
  filter: blur(80px);
}
.security-copy {
  position: relative;
  z-index: 1;
}
.security-copy h2 {
  font-size: clamp(34px, 3.65vw, 50px);
}
.security-copy a {
  display: inline-flex;
  gap: 10px;
  margin-top: 27px;
  color: #62ddec;
  font-size: 12px;
  font-weight: 700;
}
.security-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.security-list li {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.025);
}
.security-list li > span {
  width: 39px;
  height: 39px;
  display: grid;
  flex: 0 0 39px;
  place-items: center;
  border-radius: 11px;
  color: #67deee;
  background: rgba(73, 206, 233, 0.08);
}
.security-list svg {
  width: 19px;
}
.security-list p {
  margin: 0;
}
.security-list strong {
  display: block;
  font-size: 12px;
}
.security-list small {
  display: block;
  margin-top: 4px;
  color: #778095;
  font-size: 9px;
}

.download {
  padding-top: 40px;
}
.download-panel {
  position: relative;
  overflow: hidden;
  min-height: 430px;
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  align-items: center;
  gap: 50px;
  padding: 62px 80px;
  border: 1px solid rgba(115, 100, 232, 0.33);
  border-radius: 27px;
  background:
    linear-gradient(110deg, rgba(12, 14, 28, 0.97), rgba(20, 18, 45, 0.88)),
    url('/assets/nulleon-arena.webp') center/cover;
}
.download-panel::after {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  right: -70px;
  top: -160px;
  border-radius: 50%;
  background: #2ed4e8;
  filter: blur(120px);
  opacity: 0.12;
}
.download-orb {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
}
.download-orb::before,
.download-orb::after {
  content: '';
  position: absolute;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(124, 85, 246, 0.17);
  border-radius: 50%;
}
.download-orb::after {
  width: 190px;
  height: 190px;
  border-color: rgba(59, 217, 238, 0.17);
}
.download-orb img {
  position: relative;
  z-index: 1;
  width: 142px;
  height: 142px;
  border-radius: 34px;
  filter: drop-shadow(0 25px 40px rgba(42, 28, 125, 0.5));
}
.download-copy {
  position: relative;
  z-index: 1;
}
.download-copy h2 {
  margin-block: 17px;
}
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.download-copy > small {
  display: block;
  margin-top: 14px;
  color: #697287;
  font-size: 9px;
}

.site-footer {
  width: var(--shell);
  margin: 50px auto 0;
  padding: 58px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.075);
}
.footer-brand {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
}
.footer-brand > p {
  max-width: 280px;
  margin: 8px 0 0;
  color: #6f778c;
  font-size: 11px;
}
.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 80px;
  margin-top: -30px;
}
.footer-links div {
  display: grid;
  gap: 12px;
  min-width: 100px;
}
.footer-links strong {
  margin-bottom: 4px;
  color: #edf0f8;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer-links a {
  color: #777f93;
  font-size: 11px;
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: #dfe3ef;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 58px;
  padding-top: 23px;
  border-top: 1px solid rgba(255, 255, 255, 0.055);
  color: #575f73;
  font-size: 9px;
}
.footer-bottom i {
  font-style: normal;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.7s ease,
    transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 65px;
    padding-block: 180px 110px;
    text-align: center;
  }
  .hero-copy {
    display: grid;
    justify-items: center;
  }
  .hero-copy > p {
    max-width: 660px;
  }
  .product-stage {
    width: min(700px, 100%);
    margin-inline: auto;
  }
  .feature-wide {
    grid-column: span 12;
  }
  .feature-card {
    grid-column: span 6;
  }
  .feature-accent {
    grid-column: span 12;
    min-height: 240px;
  }
  .security-panel {
    gap: 45px;
    padding: 52px 42px;
  }
  .download-panel {
    padding: 54px 48px;
  }
}

@media (max-width: 700px) {
  :root {
    --shell: calc(100% - 28px);
  }
  .site-header {
    top: 9px;
    width: calc(100% - 18px);
    min-height: 60px;
    padding: 8px 9px 8px 12px;
    border-radius: 15px;
  }
  .site-header .brand img {
    width: 37px;
    height: 37px;
  }
  .site-header .brand small {
    display: none;
  }
  .site-header .brand strong {
    font-size: 11px;
  }
  .header-login,
  .header-bot,
  .header-actions > .button {
    display: none;
  }
  .menu-button {
    display: grid;
  }
  .hero {
    min-height: auto;
    gap: 52px;
    padding-block: 130px 80px;
  }
  .hero h1 {
    margin-block: 18px;
    font-size: clamp(43px, 13vw, 61px);
  }
  .hero-copy > p {
    font-size: 14px;
    line-height: 1.65;
  }
  .hero-actions {
    width: 100%;
  }
  .hero-actions .button {
    width: 100%;
  }
  .trust-row {
    justify-content: center;
    line-height: 1.8;
  }
  .product-stage {
    width: 108%;
    margin-left: -4%;
  }
  .app-window {
    border-radius: 15px;
    transform: none;
  }
  .window-top {
    height: 43px;
    padding-inline: 10px;
  }
  .window-content {
    grid-template-columns: 1fr;
    padding: 8px;
  }
  .shared-screen {
    min-height: 230px;
  }
  .people-strip {
    grid-template-columns: repeat(3, 1fr);
  }
  .person {
    min-height: 49px;
    padding: 6px;
  }
  .person > span {
    width: 23px;
    height: 23px;
    flex-basis: 23px;
  }
  .window-controls {
    min-height: 52px;
  }
  .quality-card {
    right: -4px;
    top: 14%;
  }
  .secure-card {
    left: -4px;
    bottom: 9%;
  }
  .proof-strip {
    grid-template-columns: repeat(2, 1fr);
    padding-block: 14px;
  }
  .proof-strip div {
    min-height: 45px;
  }
  .proof-strip div:nth-child(2) {
    border-right: 0;
  }
  .proof-strip span {
    font-size: 9px;
  }
  .features,
  .steps,
  .security,
  .download {
    padding-block: 86px;
  }
  .section-heading {
    margin-bottom: 32px;
  }
  .section-heading h2,
  .security-copy h2,
  .download-copy h2 {
    font-size: 38px;
  }
  .feature-wide,
  .feature-card {
    min-height: auto;
    grid-column: span 12;
  }
  .feature-wide {
    grid-template-columns: 1fr;
  }
  .feature-number,
  .feature-wide .feature-number {
    margin-bottom: 30px;
  }
  .audio-visual {
    margin-top: 8px;
    padding: 13px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .step {
    min-height: 230px;
    padding: 25px 20px;
  }
  .step-icon {
    margin: 32px 0 24px;
  }
  .security-panel {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 38px 24px;
  }
  .download {
    padding-top: 10px;
  }
  .download-panel {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 45px 24px;
    text-align: center;
  }
  .download-orb::before {
    width: 190px;
    height: 190px;
  }
  .download-orb::after {
    width: 150px;
    height: 150px;
  }
  .download-orb img {
    width: 110px;
    height: 110px;
    border-radius: 27px;
  }
  .download-copy .eyebrow {
    justify-content: center;
  }
  .download-actions .button {
    width: 100%;
  }
  .footer-brand {
    display: grid;
  }
  .footer-links {
    justify-content: flex-start;
    margin-top: 45px;
  }
  .footer-bottom {
    display: grid;
  }
}

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