:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  --bg: #090b10;
  --surface: rgba(18, 21, 30, 0.78);
  --surface-strong: #151923;
  --line: rgba(255, 255, 255, 0.1);
  --text: #f6f7fb;
  --muted: #a6adbd;
  --accent: #7480ff;
  --accent-bright: #9ca5ff;
  --green: #45d691;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    var(--bg);
  background-size: 72px 72px;
}

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

.page-glow {
  position: absolute;
  z-index: -1;
  width: 42rem;
  height: 42rem;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  opacity: 0.17;
}

.page-glow--one {
  top: -18rem;
  right: -10rem;
  background: #6874ff;
}

.page-glow--two {
  top: 48rem;
  left: -30rem;
  background: #4159c8;
}

.site-header,
main,
.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 750;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 48px;
  height: 42px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.055);
}

.brand-letter {
  font-size: 1.35rem;
  font-weight: 850;
  line-height: 1;
}

.brand-wave {
  width: 5px;
  height: 12px;
  border: 2px solid var(--accent-bright);
  border-block-color: transparent;
}

.brand-wave--left {
  border-right: 0;
  border-radius: 100% 0 0 100%;
}

.brand-wave--right {
  border-left: 0;
  border-radius: 0 100% 100% 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-nav a,
.text-link {
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: #fff;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 0.95rem;
  font-weight: 720;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button--small {
  min-height: 42px;
  padding-inline: 19px;
}

.button--quiet {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.045);
}

.button--quiet:hover,
.button--quiet:focus-visible {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
}

.button--primary {
  border-color: rgba(255, 255, 255, 0.08);
  background: linear-gradient(135deg, #6874ff, #5964e9);
  box-shadow: 0 14px 42px rgba(80, 93, 230, 0.26);
}

.button--primary:hover,
.button--primary:focus-visible {
  background: linear-gradient(135deg, #7782ff, #6470ee);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  align-items: center;
  gap: 70px;
  min-height: 710px;
  padding: 80px 0 105px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-bright);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow > span {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px var(--green);
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1 {
  margin: 0;
  font-size: clamp(3.4rem, 6.2vw, 6.35rem);
  line-height: 0.95;
  letter-spacing: -0.065em;
}

h1 em {
  color: var(--accent-bright);
  font-style: normal;
}

.hero-description {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-top: 35px;
}

.text-link {
  color: #d9dcef;
  font-weight: 650;
}

.text-link span {
  display: inline-block;
  margin-left: 7px;
  color: var(--accent-bright);
}

.access-note {
  margin: 16px 0 0;
  color: #747b8e;
  font-size: 0.78rem;
}

.hero-scene {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 470px;
}

.hero-scene::before,
.hero-scene::after {
  position: absolute;
  content: "";
  border-radius: 50%;
}

.hero-scene::before {
  width: 430px;
  height: 430px;
  border: 1px solid rgba(116, 128, 255, 0.12);
}

.hero-scene::after {
  width: 320px;
  height: 320px;
  border: 1px solid rgba(116, 128, 255, 0.2);
  box-shadow: 0 0 90px rgba(87, 99, 227, 0.12);
}

.room-card {
  position: relative;
  z-index: 2;
  width: min(100%, 430px);
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 22px;
  background: rgba(20, 24, 34, 0.92);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(16px);
  transform: rotate(1.3deg);
}

.room-card::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(135deg, rgba(116, 128, 255, 0.12), transparent 42%);
}

.room-card__top,
.room-card__footer {
  position: relative;
  display: flex;
  align-items: center;
}

.room-card__top {
  justify-content: space-between;
  padding: 3px 5px 17px;
  color: #daddf0;
  font-size: 0.73rem;
}

.room-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 720;
}

.room-status i,
.room-card__footer > span:first-child i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(69, 214, 145, 0.8);
}

.room-count {
  color: #81899c;
}

.members {
  position: relative;
  display: grid;
  gap: 9px;
}

.member {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 66px;
  padding: 10px 13px;
  border: 1px solid rgba(255, 255, 255, 0.065);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
}

.member--speaking {
  border-color: rgba(69, 214, 145, 0.47);
  background: rgba(69, 214, 145, 0.055);
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 0.87rem;
  font-weight: 800;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.13);
}

.avatar--violet { background: linear-gradient(145deg, #7e6df0, #5546b4); }
.avatar--blue { background: linear-gradient(145deg, #4b94d7, #315889); }
.avatar--amber { background: linear-gradient(145deg, #dba356, #8b5c24); }

.member strong,
.member small {
  display: block;
}

.member strong {
  margin-bottom: 3px;
  font-size: 0.82rem;
}

.member small {
  color: #858da0;
  font-size: 0.67rem;
}

.member--speaking small {
  color: var(--green);
}

.level {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 18px;
}

.level i {
  width: 3px;
  border-radius: 3px;
  background: var(--green);
  animation: level 900ms ease-in-out infinite alternate;
}

.level i:nth-child(1) { height: 8px; }
.level i:nth-child(2) { height: 17px; animation-delay: -400ms; }
.level i:nth-child(3) { height: 12px; animation-delay: -650ms; }

@keyframes level {
  to { transform: scaleY(0.45); opacity: 0.55; }
}

.mic {
  position: relative;
  width: 11px;
  height: 15px;
  margin-right: 4px;
  border: 2px solid #737b8e;
  border-radius: 7px;
}

.mic::after {
  position: absolute;
  bottom: -5px;
  left: 2px;
  width: 3px;
  height: 4px;
  content: "";
  border-bottom: 2px solid #737b8e;
}

.room-card__footer {
  gap: 12px;
  margin-top: 14px;
  padding: 14px 5px 1px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.room-card__footer > span:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: auto;
  color: var(--green);
  font-size: 0.68rem;
  font-weight: 700;
}

.room-control {
  width: 30px;
  height: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.05);
}

.room-control--phone {
  background: rgba(239, 82, 94, 0.22);
  border-color: rgba(239, 82, 94, 0.35);
}

.signal {
  position: absolute;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.signal--left { left: -12px; transform: rotate(180deg); }
.signal--right { right: -12px; }

.signal i {
  display: block;
  width: 18px;
  height: 58px;
  border: 2px solid var(--accent);
  border-block-color: transparent;
  border-left-color: transparent;
  border-radius: 0 100% 100% 0;
  opacity: 0.18;
}

.signal i:nth-child(2) { height: 82px; opacity: 0.3; }
.signal i:nth-child(3) { height: 108px; opacity: 0.14; }

.section {
  padding: 115px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  column-gap: 70px;
  align-items: end;
  margin-bottom: 52px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
}

h2 {
  margin: 0;
  font-size: clamp(2.25rem, 4vw, 4.15rem);
  line-height: 1.02;
  letter-spacing: -0.052em;
}

.section-heading > p:last-child,
.safety > div:nth-child(2) > p:last-child,
.beta > p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.feature-card {
  position: relative;
  min-height: 330px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: linear-gradient(145deg, rgba(25, 29, 41, 0.78), rgba(14, 17, 24, 0.82));
}

.feature-card--large {
  grid-row: span 2;
  min-height: 675px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.feature-card--wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 40px;
  min-height: 290px;
}

.feature-number {
  position: absolute;
  top: 28px;
  right: 30px;
  color: #555d70;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.feature-card h3 {
  position: relative;
  margin: 27px 0 10px;
  font-size: 1.35rem;
  letter-spacing: -0.025em;
}

.feature-card p {
  position: relative;
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.feature-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 110px;
  height: 110px;
  margin: 45px auto 25px;
  border: 1px solid rgba(116, 128, 255, 0.24);
  border-radius: 28px;
  background: rgba(116, 128, 255, 0.08);
  box-shadow: 0 0 65px rgba(116, 128, 255, 0.1);
}

.feature-card--large .feature-icon {
  width: 180px;
  height: 180px;
  margin: auto;
  border-radius: 42px;
}

.feature-icon--chat::before {
  width: 74px;
  height: 53px;
  content: "";
  border: 3px solid var(--accent-bright);
  border-radius: 17px;
}

.feature-icon--chat::after {
  position: absolute;
  bottom: 49px;
  left: 51px;
  width: 14px;
  height: 14px;
  content: "";
  border-bottom: 3px solid var(--accent-bright);
  transform: skewY(-35deg);
}

.feature-icon--chat i {
  position: absolute;
  top: 82px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-bright);
}

.feature-icon--chat i:nth-child(1) { margin-left: -32px; }
.feature-icon--chat i:nth-child(3) { margin-left: 32px; }

.feature-icon--voice i {
  position: absolute;
  width: 18px;
  border: 2px solid var(--accent-bright);
  border-block-color: transparent;
  border-radius: 0 100% 100% 0;
}

.feature-icon--voice i:nth-child(1) { height: 35px; transform: translateX(-19px) rotate(180deg); }
.feature-icon--voice i:nth-child(2) { width: 12px; height: 55px; border-radius: 100%; border-color: var(--accent-bright); }
.feature-icon--voice i:nth-child(3) { height: 35px; transform: translateX(19px); }

.feature-icon--screen::before {
  width: 60px;
  height: 42px;
  content: "";
  border: 3px solid var(--accent-bright);
  border-radius: 8px;
}

.feature-icon--screen::after {
  position: absolute;
  bottom: 24px;
  width: 34px;
  height: 3px;
  content: "";
  border-radius: 5px;
  background: var(--accent-bright);
}

.server-map {
  display: flex;
  align-items: center;
  gap: 15px;
  padding-right: 28px;
}

.server-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  margin-left: -28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  color: #a8aec0;
  background: #1b202c;
  font-weight: 800;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.server-node--main {
  z-index: 2;
  width: 88px;
  height: 88px;
  margin-left: 0;
  border-color: rgba(116, 128, 255, 0.55);
  border-radius: 26px;
  color: #fff;
  background: linear-gradient(145deg, #6874ff, #4c56c8);
  font-size: 1.55rem;
}

.safety {
  display: grid;
  grid-template-columns: 190px 1fr 0.85fr;
  align-items: center;
  gap: 55px;
  padding: 110px 65px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(120deg, rgba(17, 22, 31, 0.92), rgba(15, 18, 26, 0.7));
}

.safety h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 3.3vw, 3.15rem);
}

.safety-mark {
  display: flex;
  align-items: center;
  justify-content: center;
}

.shield {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 134px;
  height: 150px;
  border: 2px solid rgba(116, 128, 255, 0.55);
  border-radius: 45% 45% 52% 52% / 28% 28% 68% 68%;
  background: rgba(116, 128, 255, 0.08);
  box-shadow: 0 0 60px rgba(116, 128, 255, 0.14);
}

.shield i {
  font-size: 2.5rem;
  font-style: normal;
  font-weight: 850;
}

.safety-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.safety-list li {
  display: flex;
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #dfe2ee;
  font-size: 0.9rem;
}

.safety-list li:last-child { border-bottom: 0; }
.safety-list span { color: var(--accent-bright); font-size: 0.7rem; font-weight: 800; }

.beta {
  position: relative;
  display: flex;
  align-items: center;
  flex-direction: column;
  padding: 165px 20px 145px;
  text-align: center;
}

.beta h2 {
  max-width: 850px;
}

.beta > p:not(.eyebrow) {
  max-width: 630px;
  margin-top: 25px;
}

.beta .button {
  margin-top: 32px;
}

.beta-orbit {
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(116, 128, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.beta-orbit::before,
.beta-orbit::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(116, 128, 255, 0.12);
  border-radius: 50%;
}

.beta-orbit::before { width: 370px; height: 370px; }
.beta-orbit::after { width: 230px; height: 230px; }
.beta-orbit span { color: rgba(116, 128, 255, 0.04); font-size: 12rem; font-weight: 900; }

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  min-height: 120px;
  border-top: 1px solid var(--line);
  color: #757d90;
  font-size: 0.78rem;
}

.brand--footer {
  color: #fff;
}

.brand-mark--small {
  width: 36px;
  height: 34px;
  border-radius: 10px;
}

.brand-mark--small .brand-letter { font-size: 1rem; }
.site-footer p { margin: 0; }
.site-footer p:last-child { text-align: right; }

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  .site-nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 25px; padding-top: 95px; }
  .hero-copy { text-align: center; }
  .hero-description { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-scene { min-height: 430px; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .safety { grid-template-columns: 130px 1fr; padding: 70px 45px; }
  .safety-list { grid-column: 2; }
}

@media (max-width: 700px) {
  .site-header,
  main,
  .site-footer { width: min(100% - 28px, 1180px); }
  .site-header { min-height: 76px; }
  .brand { font-size: 1.1rem; }
  .brand-mark { width: 42px; height: 38px; }
  .brand-letter { font-size: 1.18rem; }
  .button--small { min-height: 38px; padding-inline: 15px; }
  .hero { min-height: auto; padding: 75px 0 85px; }
  h1 { font-size: clamp(3rem, 15vw, 4.75rem); }
  .hero-description { font-size: 0.98rem; }
  .hero-actions { flex-direction: column; gap: 18px; }
  .hero-actions .button { width: 100%; }
  .hero-scene { min-height: 380px; }
  .hero-scene::before { width: 340px; height: 340px; }
  .hero-scene::after { width: 265px; height: 265px; }
  .room-card { transform: none; }
  .signal { display: none; }
  .section { padding: 85px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card,
  .feature-card--large { min-height: 380px; grid-row: auto; }
  .feature-card--large .feature-icon { width: 130px; height: 130px; }
  .feature-icon--chat i { top: 57px; }
  .feature-icon--chat::after { bottom: 28px; left: 26px; }
  .feature-card--wide { grid-column: auto; grid-template-columns: 1fr; min-height: 410px; }
  .server-map { padding-left: 28px; }
  .safety { grid-template-columns: 1fr; gap: 35px; padding: 55px 28px; text-align: center; }
  .safety-mark { display: none; }
  .safety-list { grid-column: auto; text-align: left; }
  .beta { padding: 125px 0 115px; }
  .beta-orbit { width: 360px; height: 360px; }
  .beta-orbit::before { width: 280px; height: 280px; }
  .beta-orbit::after { width: 190px; height: 190px; }
  .beta-orbit span { font-size: 9rem; }
  .site-footer { grid-template-columns: 1fr; justify-items: center; padding: 35px 0; text-align: center; }
  .site-footer p:last-child { text-align: center; }
}

@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; }
}
