:root {
  --bg: #06070d;
  --bg-soft: #0b0d16;
  --panel: rgba(18, 20, 33, 0.72);
  --panel-strong: rgba(22, 24, 40, 0.92);
  --line: rgba(255, 255, 255, 0.09);
  --line-bright: rgba(138, 113, 255, 0.35);
  --text: #f6f4ff;
  --muted: #8c8da4;
  --purple: #8a65ff;
  --purple-bright: #b293ff;
  --pink: #ff4fd8;
  --cyan: #3fe7ff;
  --green: #75ffbd;
  --blue: #4f8cff;
  --shadow: 0 32px 100px rgba(0, 0, 0, 0.5);
  --radius-lg: 30px;
  --radius-md: 22px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--purple) var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 17% 12%, rgba(105, 71, 255, 0.13), transparent 28%),
    radial-gradient(circle at 88% 23%, rgba(0, 205, 255, 0.08), transparent 24%),
    var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -4;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 84%);
}

::selection {
  color: #fff;
  background: rgba(138, 101, 255, 0.55);
}

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

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

button {
  color: inherit;
  font: inherit;
}

.particle-canvas {
  position: fixed;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  opacity: 0.68;
  pointer-events: none;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 30;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

.cursor-glow {
  position: fixed;
  z-index: -2;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(123, 83, 255, 0.13), transparent 67%);
  transition: opacity 0.3s ease;
}

.topbar {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 20;
  width: min(1180px, calc(100% - 34px));
  height: 72px;
  padding: 0 16px 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(10, 11, 19, 0.68);
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(22px) saturate(140%);
  transition: transform 0.35s ease, background 0.35s ease, border-color 0.35s ease;
}

.topbar.is-scrolled {
  background: rgba(8, 9, 16, 0.9);
  border-color: rgba(138, 101, 255, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  position: relative;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(178, 147, 255, 0.38);
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(134, 89, 255, 0.28), rgba(63, 231, 255, 0.08));
  box-shadow: inset 0 0 22px rgba(138, 101, 255, 0.17), 0 0 30px rgba(138, 101, 255, 0.13);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: linear-gradient(90deg, transparent, var(--purple-bright), transparent);
}

.brand-mark::before {
  width: 26px;
  height: 1px;
  transform: rotate(45deg);
}

.brand-mark::after {
  width: 26px;
  height: 1px;
  transform: rotate(-45deg);
}

.brand-mark__core {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 16px var(--purple-bright), 0 0 30px var(--purple);
}

.brand-copy {
  display: grid;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: 0.04em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.18em;
}

.navigation {
  display: flex;
  align-items: center;
  gap: 30px;
}

.navigation a {
  position: relative;
  color: #a6a6b8;
  font-size: 13px;
  font-weight: 600;
  transition: color 0.25s ease;
}

.navigation a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  transition: transform 0.3s ease;
}

.navigation a:hover {
  color: #fff;
}

.navigation a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.topbar-action {
  min-height: 42px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: #d9d7e8;
  background: rgba(255, 255, 255, 0.035);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.topbar-action:hover {
  border-color: rgba(117, 255, 189, 0.32);
  background: rgba(117, 255, 189, 0.06);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: statusPulse 2.2s infinite;
}

.section {
  position: relative;
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  min-height: 100vh;
  padding: 156px 0 96px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 72px;
}

.hero::before {
  content: "";
  position: absolute;
  top: 18%;
  left: 49%;
  z-index: -1;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(111, 71, 255, 0.2), rgba(111, 71, 255, 0.03) 44%, transparent 72%);
  filter: blur(20px);
}

.hero-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(138, 101, 255, 0.11);
  border-radius: 50%;
  pointer-events: none;
}

.hero-orbit--one {
  top: 13%;
  right: -18%;
  width: 580px;
  height: 580px;
  animation: orbitRotate 28s linear infinite;
}

.hero-orbit--one::after {
  content: "";
  position: absolute;
  top: 18%;
  left: 5%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 22px var(--cyan);
}

.hero-orbit--two {
  top: 27%;
  right: -10%;
  width: 420px;
  height: 420px;
  border-style: dashed;
  animation: orbitRotate 22s linear infinite reverse;
}

.eyebrow {
  margin-bottom: 26px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #a6a3b5;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.19em;
}

.eyebrow-pulse {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--purple-bright);
  box-shadow: 0 0 16px var(--purple-bright);
  animation: squarePulse 2.4s ease-in-out infinite;
}

.hero h1,
.section-heading h2,
.stack-copy h2,
.cta h2 {
  margin: 0;
  font-weight: 780;
  letter-spacing: -0.065em;
  line-height: 0.91;
}

.hero h1 {
  font-size: clamp(64px, 7.2vw, 110px);
}

.hero-title-muted,
.hero-title-main {
  display: block;
}

.hero-title-muted {
  color: transparent;
  font-size: 0.58em;
  letter-spacing: -0.045em;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.4);
}

.hero-title-main {
  position: relative;
  width: fit-content;
  margin-top: 8px;
  color: #fff;
  text-shadow: 0 0 60px rgba(138, 101, 255, 0.2);
}

.hero-title-main::before {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  z-index: -1;
  color: transparent;
  -webkit-text-stroke: 11px rgba(138, 101, 255, 0.055);
  filter: blur(1px);
}

.hero-title-main::after {
  content: "";
  position: absolute;
  right: -18px;
  bottom: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  box-shadow: 0 0 22px var(--pink);
}

.hero-description {
  max-width: 560px;
  margin: 30px 0 0;
  color: #9b9bad;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.75;
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  position: relative;
  min-height: 54px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.02em;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.button::before {
  content: "";
  position: absolute;
  top: -180%;
  left: -60%;
  width: 50%;
  height: 400%;
  transform: rotate(26deg);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  transition: left 0.65s ease;
}

.button:hover::before {
  left: 130%;
}

.button--primary {
  border-color: rgba(165, 132, 255, 0.46);
  background: linear-gradient(135deg, #7c52ff, #603bd7 65%, #4f30b8);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.18), 0 15px 40px rgba(105, 65, 255, 0.25);
}

.button--primary:hover {
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.2), 0 20px 55px rgba(105, 65, 255, 0.42);
}

.button--ghost {
  color: #b4b2c3;
  background: rgba(255, 255, 255, 0.025);
}

.button--ghost:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.055);
}

.button-arrow {
  font-size: 18px;
  font-weight: 400;
}

.button--large {
  min-height: 60px;
  padding-inline: 28px;
}

.hero-meta {
  max-width: 520px;
  margin-top: 50px;
  padding-top: 25px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.hero-meta > div {
  min-width: 0;
  padding-right: 18px;
  display: flex;
  align-items: baseline;
  gap: 3px;
}

.hero-meta strong,
.hero-meta b {
  color: #eae7ff;
  font-size: 24px;
  line-height: 1;
}

.hero-meta b {
  color: var(--purple-bright);
  font-size: 13px;
}

.hero-meta span {
  margin-left: 7px;
  color: #747588;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-visual {
  position: relative;
  perspective: 1400px;
}

.visual-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 28px;
  transform: rotateY(-5deg) rotateX(3deg);
  transform-style: preserve-3d;
  background: linear-gradient(145deg, rgba(24, 26, 42, 0.94), rgba(8, 10, 18, 0.96));
  box-shadow: var(--shadow), 0 0 0 1px rgba(138, 101, 255, 0.05), 0 0 100px rgba(99, 57, 255, 0.12);
  transition: transform 0.25s ease-out;
}

.visual-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.035) 45%, transparent 70%);
}

.visual-toolbar {
  height: 48px;
  padding: 0 17px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #343647;
}

.window-dots span:nth-child(1) { background: #ff5f57; }
.window-dots span:nth-child(2) { background: #febc2e; }
.window-dots span:nth-child(3) { background: #28c840; }

.visual-toolbar__title {
  color: #77798b;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.visual-toolbar__signal {
  margin-left: auto;
  color: var(--green);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.visual-grid {
  min-height: 450px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 142px;
}

.visual-sidebar {
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  border-right: 1px solid var(--line);
  background: rgba(5, 6, 12, 0.34);
}

.sidebar-logo {
  width: 30px;
  height: 30px;
  margin-bottom: 10px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(155, 121, 255, 0.45);
  border-radius: 9px;
  color: #fff;
  background: linear-gradient(145deg, rgba(127, 84, 255, 0.52), rgba(82, 52, 182, 0.34));
  font-size: 13px;
  font-weight: 900;
  box-shadow: 0 0 24px rgba(124, 82, 255, 0.2);
}

.sidebar-item {
  width: 31px;
  height: 31px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
}

.sidebar-item span {
  width: 11px;
  height: 11px;
  border: 1px solid #55586c;
  border-radius: 3px;
}

.sidebar-item--active {
  background: rgba(138, 101, 255, 0.14);
  box-shadow: inset 2px 0 var(--purple-bright);
}

.sidebar-item--active span {
  border-color: var(--purple-bright);
  box-shadow: 0 0 10px rgba(178, 147, 255, 0.45);
}

.chat-preview {
  min-width: 0;
  padding: 22px 20px 18px;
  display: flex;
  flex-direction: column;
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.preview-head > div {
  display: grid;
}

.preview-head small,
.monitor-card small {
  color: #64677c;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.preview-head strong {
  margin-top: 3px;
  font-size: 14px;
}

.live-chip {
  padding: 6px 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(117, 255, 189, 0.13);
  border-radius: 8px;
  color: #9a9cad;
  background: rgba(117, 255, 189, 0.035);
  font-size: 7px;
}

.live-chip i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 9px var(--green);
}

.message-stream {
  margin: 22px 0 18px;
  display: grid;
  gap: 9px;
}

.message-card {
  position: relative;
  min-width: 0;
  padding: 12px 10px;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: start;
  gap: 9px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.065);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.025);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.message-card:hover {
  transform: translateX(3px);
  border-color: rgba(178, 147, 255, 0.18);
}

.message-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--card-accent);
  box-shadow: 0 0 14px var(--card-accent);
}

.message-card--violet { --card-accent: var(--purple); }
.message-card--cyan { --card-accent: var(--cyan); }
.message-card--blue { --card-accent: var(--blue); }

.avatar {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: #fff;
  font-size: 9px;
  font-weight: 900;
}

.avatar--one { background: linear-gradient(145deg, #734ee2, #332366); }
.avatar--two { background: linear-gradient(145deg, #22c9bd, #155457); }
.avatar--three { background: linear-gradient(145deg, #367ef1, #1e376c); }

.message-body {
  min-width: 0;
}

.message-name {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #e3e0f4;
  font-size: 8px;
  font-weight: 750;
}

.message-name em {
  padding: 2px 4px;
  border: 1px solid rgba(178, 147, 255, 0.24);
  border-radius: 4px;
  color: var(--purple-bright);
  background: rgba(138, 101, 255, 0.09);
  font-size: 5px;
  font-style: normal;
  letter-spacing: 0.07em;
}

.platform {
  width: 5px;
  height: 5px;
  border-radius: 1px;
}

.platform--twitch { background: var(--purple); box-shadow: 0 0 8px var(--purple); }
.platform--kick { background: var(--green); box-shadow: 0 0 8px var(--green); }
.platform--vk { background: var(--blue); box-shadow: 0 0 8px var(--blue); }

.message-body p {
  margin: 4px 0 0;
  overflow: hidden;
  color: #8c8fa2;
  font-size: 7px;
  line-height: 1.55;
  text-overflow: ellipsis;
}

.message-card time {
  color: #55586b;
  font-size: 6px;
}

.composer {
  min-height: 42px;
  margin-top: auto;
  padding: 0 9px;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 25px;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 10px;
  background: rgba(4, 5, 10, 0.35);
}

.composer-plus,
.composer-send {
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  font-size: 11px;
}

.composer-plus {
  color: #74778a;
  background: rgba(255, 255, 255, 0.04);
}

.composer-placeholder {
  color: #55586d;
  font-size: 7px;
}

.composer-send {
  color: #fff;
  background: linear-gradient(145deg, #7f55ff, #5a35c8);
  box-shadow: 0 5px 14px rgba(107, 66, 228, 0.25);
}

.visual-monitor {
  padding: 18px 13px;
  display: grid;
  align-content: start;
  gap: 12px;
  border-left: 1px solid var(--line);
  background: rgba(5, 6, 12, 0.28);
}

.monitor-card {
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
}

.load-ring {
  --value: calc(var(--progress) * 1%);
  width: 72px;
  height: 72px;
  margin: 14px auto 5px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--purple-bright) var(--value), rgba(255, 255, 255, 0.06) 0);
  box-shadow: 0 0 26px rgba(138, 101, 255, 0.15);
}

.load-ring::before {
  content: "";
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #11131f;
  box-shadow: inset 0 0 12px rgba(255, 255, 255, 0.03);
}

.load-ring span {
  position: absolute;
  font-size: 17px;
  font-weight: 800;
}

.load-ring sup {
  color: var(--purple-bright);
  font-size: 7px;
}

.monitor-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.monitor-card__head strong {
  color: var(--green);
  font-size: 8px;
}

.graph-bars {
  height: 70px;
  margin-top: 14px;
  display: flex;
  align-items: end;
  gap: 4px;
}

.graph-bars i {
  width: 100%;
  height: var(--h);
  border-radius: 3px 3px 1px 1px;
  background: linear-gradient(to top, rgba(93, 54, 202, 0.36), var(--purple-bright));
  box-shadow: 0 0 10px rgba(138, 101, 255, 0.14);
  animation: barsPulse 2.8s ease-in-out infinite alternate;
  animation-delay: calc(var(--h) * -0.02s);
}

.scroll-indicator {
  position: absolute;
  left: 0;
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 13px;
  color: #5f6071;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.scroll-indicator i {
  position: relative;
  width: 36px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
}

.scroll-indicator i::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: var(--purple-bright);
  animation: scrollLine 2s ease-in-out infinite;
}

.overview,
.features,
.stack {
  padding: 140px 0;
}

.overview {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 100px;
}

.section-index {
  display: block;
  margin-bottom: 26px;
  color: var(--purple-bright);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.section-heading h2,
.stack-copy h2 {
  font-size: clamp(48px, 6vw, 82px);
}

.section-heading h2 span,
.stack-copy h2 span,
.cta h2 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.38);
}

.section-heading p,
.stack-copy p {
  max-width: 470px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.signal-panel {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at center, rgba(138, 101, 255, 0.16), transparent 35%),
    linear-gradient(145deg, rgba(18, 20, 33, 0.76), rgba(7, 8, 14, 0.92));
  box-shadow: var(--shadow);
}

.signal-panel::before,
.signal-panel::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(138, 101, 255, 0.13);
  border-radius: 50%;
}

.signal-panel::before {
  width: 340px;
  height: 340px;
}

.signal-panel::after {
  width: 210px;
  height: 210px;
  border-style: dashed;
  animation: orbitRotate 22s linear infinite;
}

.signal-panel__beam {
  position: absolute;
  width: 74%;
  height: 74%;
  opacity: 0.58;
  background:
    linear-gradient(32deg, transparent 49.8%, rgba(138, 101, 255, 0.16) 50%, transparent 50.2%),
    linear-gradient(-32deg, transparent 49.8%, rgba(63, 231, 255, 0.12) 50%, transparent 50.2%);
}

.signal-node {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(15, 17, 28, 0.86);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(12px);
}

.signal-node > span {
  display: grid;
  place-items: center;
  border: 1px solid rgba(178, 147, 255, 0.28);
  border-radius: 10px;
  color: #fff;
  background: rgba(138, 101, 255, 0.11);
  font-weight: 900;
}

.signal-node small {
  color: #77798c;
  font-size: 8px;
  letter-spacing: 0.08em;
}

.signal-node--center {
  z-index: 2;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  box-shadow: 0 0 0 10px rgba(138, 101, 255, 0.025), 0 0 80px rgba(138, 101, 255, 0.2);
}

.signal-node--center > span {
  width: 50px;
  height: 50px;
  font-size: 21px;
  box-shadow: 0 0 28px rgba(138, 101, 255, 0.18);
}

.signal-node--center strong {
  margin-top: -14px;
  font-size: 11px;
}

.signal-node--center small {
  margin-top: -18px;
}

.signal-node--one,
.signal-node--two,
.signal-node--three,
.signal-node--four {
  width: 92px;
  height: 84px;
  border-radius: 18px;
}

.signal-node--one > span,
.signal-node--two > span,
.signal-node--three > span,
.signal-node--four > span {
  width: 31px;
  height: 31px;
  font-size: 11px;
}

.signal-node--one { top: 12%; left: 13%; }
.signal-node--two { top: 12%; right: 13%; }
.signal-node--three { bottom: 12%; left: 13%; }
.signal-node--four { right: 13%; bottom: 12%; }

.features {
  border-top: 1px solid rgba(255, 255, 255, 0.055);
}

.section-heading--wide {
  margin-bottom: 62px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 18px;
}

.feature-card {
  position: relative;
  min-height: 300px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(20, 22, 37, 0.82), rgba(9, 10, 17, 0.94));
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.22);
  transform-style: preserve-3d;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(178, 147, 255, 0.2);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.36), 0 0 50px rgba(138, 101, 255, 0.06);
}

.feature-card--large {
  grid-row: span 2;
  min-height: 620px;
  display: flex;
  flex-direction: column;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: -110px;
  right: -110px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 101, 255, 0.13), transparent 68%);
}

.feature-icon {
  position: relative;
  z-index: 1;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(178, 147, 255, 0.28);
  border-radius: 13px;
  color: var(--purple-bright);
  background: rgba(138, 101, 255, 0.09);
  box-shadow: inset 0 0 20px rgba(138, 101, 255, 0.08);
  font-size: 20px;
}

.feature-icon--cyan {
  color: var(--cyan);
  border-color: rgba(63, 231, 255, 0.23);
  background: rgba(63, 231, 255, 0.06);
}

.feature-icon--pink {
  color: var(--pink);
  border-color: rgba(255, 79, 216, 0.22);
  background: rgba(255, 79, 216, 0.06);
}

.feature-card__content {
  position: relative;
  z-index: 1;
  margin-top: auto;
  transform: translateZ(25px);
}

.feature-card:not(.feature-card--large) .feature-card__content {
  margin-top: 60px;
}

.feature-card__content small {
  color: #656779;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.feature-card__content h3 {
  margin: 14px 0 0;
  font-size: clamp(28px, 3vw, 46px);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.feature-card:not(.feature-card--large) .feature-card__content h3 {
  font-size: 30px;
}

.feature-card__content p {
  max-width: 460px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.feature-wave {
  height: 190px;
  margin: 70px 0 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.feature-wave i {
  width: 7px;
  height: 30%;
  border-radius: 10px;
  background: linear-gradient(to top, rgba(96, 59, 215, 0.24), var(--purple-bright), var(--cyan));
  box-shadow: 0 0 16px rgba(138, 101, 255, 0.24);
  animation: wave 2s ease-in-out infinite;
}

.feature-wave i:nth-child(2) { animation-delay: -0.2s; }
.feature-wave i:nth-child(3) { animation-delay: -0.4s; }
.feature-wave i:nth-child(4) { animation-delay: -0.6s; }
.feature-wave i:nth-child(5) { animation-delay: -0.8s; }
.feature-wave i:nth-child(6) { animation-delay: -1s; }
.feature-wave i:nth-child(7) { animation-delay: -1.2s; }
.feature-wave i:nth-child(8) { animation-delay: -1.4s; }
.feature-wave i:nth-child(9) { animation-delay: -1.6s; }
.feature-wave i:nth-child(10) { animation-delay: -1.8s; }

.feature-status {
  position: absolute;
  top: 28px;
  right: 28px;
  padding: 7px 9px;
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(117, 255, 189, 0.14);
  border-radius: 8px;
  color: #8e91a4;
  background: rgba(117, 255, 189, 0.035);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.feature-status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.performance-line {
  position: absolute;
  top: 34%;
  right: 22px;
  left: 22px;
  height: 56px;
  overflow: hidden;
}

.performance-line::before,
.performance-line::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  height: 1px;
  background: rgba(255, 255, 255, 0.055);
}

.performance-line span {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='500' height='60' viewBox='0 0 500 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 32 L65 32 L80 14 L97 48 L116 25 L135 32 L205 32 L222 6 L244 54 L264 19 L284 32 L350 32 L370 20 L390 42 L408 32 L500 32' fill='none' stroke='%23ff4fd8' stroke-width='2'/%3E%3C/svg%3E") center / 100% 100% no-repeat;
  filter: drop-shadow(0 0 6px rgba(255, 79, 216, 0.6));
}

.stack {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 80px;
}

.code-window {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(17, 19, 31, 0.95), rgba(7, 8, 14, 0.98));
  box-shadow: var(--shadow), 0 0 90px rgba(80, 46, 194, 0.08);
}

.code-window__bar,
.code-window__footer {
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  color: #686a7c;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.code-window__bar {
  height: 50px;
}

.copy-button {
  margin-left: auto;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: #77798b;
  background: rgba(255, 255, 255, 0.025);
  font-family: inherit;
  font-size: 8px;
  cursor: pointer;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.copy-button:hover {
  color: #fff;
  border-color: rgba(178, 147, 255, 0.28);
}

.code-window pre {
  min-height: 340px;
  margin: 0;
  padding: 48px 38px;
  overflow-x: auto;
  color: #dad9e6;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: clamp(12px, 1.25vw, 15px);
  line-height: 2;
  tab-size: 4;
}

.code-purple { color: var(--purple-bright); }
.code-blue { color: #80a8ff; }
.code-cyan { color: var(--cyan); }
.code-green { color: var(--green); }
.code-muted { color: #77798c; }

.code-window__footer {
  min-height: 50px;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.code-window__footer span:first-child {
  color: var(--green);
}

.code-window__footer i {
  width: 5px;
  height: 5px;
  display: inline-block;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.tech-list {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.tech-list span {
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: #9091a3;
  background: rgba(255, 255, 255, 0.025);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.cta {
  min-height: 520px;
  margin-bottom: 70px;
  padding: 80px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 120%, rgba(138, 101, 255, 0.3), transparent 45%),
    linear-gradient(145deg, rgba(21, 23, 38, 0.86), rgba(8, 9, 16, 0.96));
  box-shadow: var(--shadow);
}

.cta::before {
  content: "";
  position: absolute;
  top: -190px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(138, 101, 255, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(138, 101, 255, 0.02), 0 0 0 160px rgba(138, 101, 255, 0.012);
}

.cta-grid {
  position: absolute;
  inset: 0;
  opacity: 0.7;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black, transparent 70%);
}

.cta-kicker,
.cta h2,
.cta p,
.cta .button {
  position: relative;
  z-index: 1;
}

.cta-kicker {
  color: var(--purple-bright);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.cta h2 {
  margin-top: 22px;
  font-size: clamp(52px, 7vw, 96px);
}

.cta p {
  max-width: 520px;
  margin: 26px auto 34px;
  color: var(--muted);
  font-size: 16px;
}

.footer {
  width: min(1180px, calc(100% - 40px));
  min-height: 110px;
  margin-inline: auto;
  padding: 25px 0 35px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: #666879;
  font-size: 10px;
  letter-spacing: 0.06em;
}

.brand--footer .brand-mark {
  width: 34px;
  height: 34px;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.85s cubic-bezier(0.2, 0.75, 0.2, 1), transform 0.85s cubic-bezier(0.2, 0.75, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

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

@keyframes statusPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--green); }
  50% { opacity: 0.45; box-shadow: 0 0 18px var(--green); }
}

@keyframes squarePulse {
  0%, 100% { transform: rotate(0deg) scale(1); opacity: 1; }
  50% { transform: rotate(90deg) scale(0.72); opacity: 0.55; }
}

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

@keyframes barsPulse {
  to { filter: brightness(1.4); transform: scaleY(0.86); }
}

@keyframes scrollLine {
  0% { transform: translateX(-100%); }
  55%, 100% { transform: translateX(100%); }
}

@keyframes wave {
  0%, 100% { height: 22%; opacity: 0.44; }
  50% { height: 90%; opacity: 1; }
}

@media (max-width: 1040px) {
  .navigation { display: none; }

  .hero {
    padding-top: 140px;
    grid-template-columns: 1fr;
    gap: 65px;
  }

  .hero-content {
    max-width: 760px;
  }

  .hero-visual {
    width: min(760px, 100%);
    margin-inline: auto;
  }

  .scroll-indicator { display: none; }

  .overview,
  .stack {
    grid-template-columns: 1fr;
    gap: 64px;
  }

  .overview .section-heading,
  .stack-copy {
    max-width: 720px;
  }

  .signal-panel {
    min-height: 560px;
  }
}

@media (max-width: 760px) {
  .topbar {
    top: 10px;
    width: calc(100% - 20px);
    height: 64px;
    padding-inline: 14px;
  }

  .topbar-action {
    min-height: 38px;
    padding-inline: 11px;
    font-size: 0;
  }

  .topbar-action::after {
    content: "OPEN";
    font-size: 9px;
  }

  .section,
  .footer {
    width: min(100% - 24px, 1180px);
  }

  .hero {
    padding: 122px 0 76px;
  }

  .hero h1 {
    font-size: clamp(54px, 18vw, 84px);
  }

  .hero-title-muted {
    font-size: 0.48em;
  }

  .hero-description {
    font-size: 15px;
  }

  .hero-actions {
    display: grid;
  }

  .hero-meta {
    gap: 12px;
  }

  .hero-meta > div {
    padding-right: 0;
    display: grid;
    gap: 6px;
  }

  .hero-meta span {
    margin-left: 0;
    font-size: 8px;
  }

  .visual-shell {
    transform: none;
  }

  .visual-grid {
    min-height: 410px;
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .visual-monitor {
    display: none;
  }

  .chat-preview {
    padding: 18px 13px 14px;
  }

  .message-card {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .message-card time {
    display: none;
  }

  .overview,
  .features,
  .stack {
    padding: 95px 0;
  }

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

  .feature-card--large {
    min-height: 500px;
    grid-row: auto;
  }

  .feature-wave {
    margin-top: 44px;
  }

  .signal-panel {
    min-height: 470px;
  }

  .signal-node--one { top: 10%; left: 7%; }
  .signal-node--two { top: 10%; right: 7%; }
  .signal-node--three { bottom: 10%; left: 7%; }
  .signal-node--four { right: 7%; bottom: 10%; }

  .signal-node--one,
  .signal-node--two,
  .signal-node--three,
  .signal-node--four {
    width: 78px;
    height: 72px;
  }

  .code-window pre {
    min-height: 290px;
    padding: 32px 20px;
  }

  .code-window__footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
  }

  .cta {
    min-height: 470px;
    padding-inline: 20px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .brand-copy small { display: none; }

  .hero h1 {
    font-size: 52px;
  }

  .hero-title-main::after {
    right: -10px;
    bottom: 3px;
    width: 7px;
    height: 7px;
  }

  .hero-meta strong,
  .hero-meta b {
    font-size: 19px;
  }

  .visual-toolbar__title { display: none; }

  .visual-toolbar__signal { margin-left: auto; }

  .visual-grid {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .visual-sidebar {
    padding-inline: 4px;
  }

  .sidebar-logo,
  .sidebar-item {
    transform: scale(0.9);
  }

  .preview-head {
    align-items: flex-start;
  }

  .live-chip {
    max-width: 90px;
    white-space: nowrap;
  }

  .message-card:nth-child(3) {
    display: none;
  }

  .signal-panel {
    min-height: 430px;
  }

  .signal-panel::before { width: 260px; height: 260px; }
  .signal-panel::after { width: 160px; height: 160px; }

  .signal-node--center {
    width: 120px;
    height: 120px;
  }

  .signal-node--one,
  .signal-node--two,
  .signal-node--three,
  .signal-node--four {
    width: 66px;
    height: 64px;
  }

  .signal-node--one { top: 8%; left: 4%; }
  .signal-node--two { top: 8%; right: 4%; }
  .signal-node--three { bottom: 8%; left: 4%; }
  .signal-node--four { right: 4%; bottom: 8%; }

  .signal-node--one > span,
  .signal-node--two > span,
  .signal-node--three > span,
  .signal-node--four > span {
    width: 26px;
    height: 26px;
  }

  .feature-card {
    padding: 22px;
  }

  .feature-status {
    top: 22px;
    right: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}