:root {
  --bg: #07081c;
  --bg2: #0d1030;
  --card: rgba(255, 255, 255, 0.045);
  --card-hi: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.1);
  --text: #eef0ff;
  --muted: #9aa2c9;
  --blue: #3d6bf5;
  --violet: #7a5af8;
  --sky: #6d8cff;
  --gold: #ffbb2e;
  --grad: linear-gradient(135deg, #5b83ff 0%, #7a5af8 55%, #b07cff 100%);
  --radius: 22px;
  --font: "Inter", "Vazirmatn", "Noto Sans SC", system-ui, sans-serif;
}
html[lang="fa"], html[lang="ar"] { --font: "Vazirmatn", "Inter", system-ui, sans-serif; }
html[lang="zh"] { --font: "Inter", "Noto Sans SC", system-ui, sans-serif; }

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; cursor: pointer; }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
svg.fill { fill: currentColor; stroke: none; }
img { display: block; }
::selection { background: var(--violet); color: #fff; }

/* ---------- background layers ---------- */
#glyphs { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.aurora { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.aurora span {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.45;
  animation: drift 22s ease-in-out infinite alternate;
}
.aurora span:nth-child(1) { width: 55vw; height: 55vw; background: #2f4fe0; top: -20vw; left: -10vw; }
.aurora span:nth-child(2) { width: 45vw; height: 45vw; background: #6a3fe8; top: 30vh; right: -15vw; animation-duration: 28s; }
.aurora span:nth-child(3) { width: 35vw; height: 35vw; background: #1b2a8c; bottom: -15vw; left: 30vw; animation-duration: 34s; opacity: .35; }
@keyframes drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(6vw, 8vh) scale(1.15); }
}
.progress {
  position: fixed; top: 0; inset-inline-start: 0; height: 3px; width: 0; z-index: 100;
  background: var(--grad); box-shadow: 0 0 12px var(--violet);
}
header, main, footer { position: relative; z-index: 1; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  width: min(1180px, calc(100% - 28px)); z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 12px 10px 18px; border-radius: 18px;
  background: rgba(10, 12, 36, 0.55); border: 1px solid var(--line);
  backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4);
  transition: background .3s, box-shadow .3s;
}
[dir="rtl"] .nav { padding: 10px 18px 10px 12px; }
.nav.scrolled { background: rgba(10, 12, 36, 0.82); box-shadow: 0 12px 40px rgba(0,0,0,.35); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -.02em; font-family: "Inter", sans-serif; }
.brand img { border-radius: 10px; }
.nav-links { display: flex; gap: 26px; font-size: 14.5px; color: var(--muted); }
.nav-links a { position: relative; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: ""; position: absolute; inset-inline-start: 0; bottom: -4px; height: 2px; width: 0;
  background: var(--grad); border-radius: 2px; transition: width .3s;
}
.nav-links a:hover::after { width: 100%; }
.nav-end { display: flex; align-items: center; gap: 10px; }

.lang { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 6px; height: 40px; padding: 0 12px;
  background: var(--card); border: 1px solid var(--line); color: var(--text);
  border-radius: 12px; cursor: pointer; font: 600 13px var(--font); transition: background .2s;
}
.lang-btn:hover { background: var(--card-hi); }
.lang-menu {
  position: absolute; top: calc(100% + 8px); inset-inline-end: 0; min-width: 190px;
  list-style: none; padding: 6px; border-radius: 14px;
  background: rgba(16, 19, 52, 0.96); border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(0,0,0,.5); backdrop-filter: blur(16px);
  opacity: 0; visibility: hidden; transform: translateY(-6px) scale(.98); transition: .2s;
}
.lang.open .lang-menu { opacity: 1; visibility: visible; transform: none; }
.lang-menu li {
  display: flex; justify-content: space-between; gap: 12px; padding: 9px 12px; border-radius: 9px;
  cursor: pointer; font-size: 14.5px;
}
.lang-menu li span { color: var(--muted); font-size: 12px; font-family: "Inter", sans-serif; }
.lang-menu li:hover, .lang-menu li[aria-selected="true"] { background: rgba(122, 90, 248, .2); }

/* ---------- buttons ---------- */
.btn {
  --mx: 0px; --my: 0px;
  display: inline-flex; align-items: center; gap: 10px; height: 54px; padding: 0 24px;
  border-radius: 16px; font-weight: 700; font-size: 15.5px; white-space: nowrap;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .3s, background .3s;
  transform: translate(var(--mx), var(--my));
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-sm { height: 40px; padding: 0 16px; font-size: 13.5px; border-radius: 12px; }
.btn-primary {
  background: var(--grad); color: #fff; position: relative; overflow: hidden;
  box-shadow: 0 10px 30px -8px rgba(94, 110, 255, .7), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-primary::before {
  content: ""; position: absolute; top: 0; left: -120%; width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.4), transparent);
  animation: shine 4.5s ease-in-out infinite;
}
@keyframes shine { 0%, 60% { left: -120%; } 100% { left: 160%; } }
.btn-primary:hover { box-shadow: 0 16px 40px -8px rgba(122, 90, 248, .9), inset 0 1px 0 rgba(255,255,255,.3); }
.btn-glass { background: var(--card); border: 1px solid var(--line); backdrop-filter: blur(10px); }
.btn-glass:hover { background: var(--card-hi); border-color: rgba(255,255,255,.2); }

/* ---------- hero ---------- */
.hero {
  min-height: 100vh; max-width: 1180px; margin: 0 auto; padding: 130px 24px 60px;
  display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 48px;
}
.badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 10px;
  border-radius: 999px; font-size: 13.5px; color: #cfd5ff;
  background: rgba(109, 140, 255, .1); border: 1px solid rgba(109, 140, 255, .28);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 0 rgba(255,187,46,.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(255,187,46,0); } 100% { box-shadow: 0 0 0 0 rgba(255,187,46,0); } }
h1 {
  font-size: clamp(42px, 6.4vw, 80px); line-height: 1.04; letter-spacing: -.035em; font-weight: 800;
  margin: 22px 0 22px;
}
[dir="rtl"] h1, [dir="rtl"] h2 { letter-spacing: 0; line-height: 1.25; }
h1 span { display: block; }
.grad {
  background: linear-gradient(90deg, #7fa0ff, #a98bff, #ffc86b, #7fa0ff);
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: flow 8s linear infinite;
}
@keyframes flow { to { background-position: 300% 0; } }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--muted); max-width: 560px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-cta.center { justify-content: center; }
.hero-note { margin-top: 20px; font-size: 14px; color: var(--muted); }

.hero-visual { position: relative; display: grid; place-items: center; perspective: 1400px; }
.greeting {
  position: absolute; top: -8%; font-size: clamp(60px, 9vw, 120px); font-weight: 800;
  color: transparent; -webkit-text-stroke: 1.5px rgba(160, 170, 255, .22);
  white-space: nowrap; z-index: 0; transition: opacity .6s, filter .6s, transform .6s;
  font-family: "Inter", "Vazirmatn", "Noto Sans SC", "Noto Sans Devanagari", sans-serif;
}
.greeting.out { opacity: 0; filter: blur(14px); transform: scale(1.1); }

.phone {
  --rx: 0deg; --ry: 0deg;
  position: relative; z-index: 2; width: 318px; height: 640px; border-radius: 48px; padding: 12px;
  background: linear-gradient(160deg, #2a2f63, #11142f 40%, #1b1f4a);
  box-shadow: 0 0 0 1.5px rgba(255,255,255,.12), 0 50px 100px -20px rgba(40, 30, 140, .8),
              0 30px 60px -30px rgba(0,0,0,.8), inset 0 0 0 2px rgba(255,255,255,.05);
  transform: rotateX(var(--rx)) rotateY(var(--ry)); transform-style: preserve-3d;
  transition: transform .4s cubic-bezier(.2,.8,.2,1);
  animation: bob 7s ease-in-out infinite;
}
@keyframes bob { 50% { translate: 0 -12px; } }
.phone-notch { position: absolute; top: 20px; left: 50%; transform: translateX(-50%); width: 96px; height: 26px; border-radius: 20px; background: #05060f; z-index: 3; }
.phone-screen {
  position: relative; height: 100%; border-radius: 38px; overflow: hidden; display: flex; flex-direction: column;
  background: #0e1621 radial-gradient(circle at 30% 20%, rgba(61,107,245,.18), transparent 60%);
}
.chat-head { display: flex; align-items: center; gap: 10px; padding: 54px 14px 12px; background: #17212b; border-bottom: 1px solid #101921; }
.avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; color: #fff; font-size: 15px; flex: none; }
.a1 { background: linear-gradient(135deg, #ff8a5b, #e8447a); font-family: "Noto Sans SC", sans-serif; }
.chat-name { font-weight: 700; font-size: 14.5px; line-height: 1.2; }
.chat-status { font-size: 12px; color: #6d8cff; line-height: 1.3; min-height: 16px; }
.chat-flag { margin-inline-start: auto; font-size: 10.5px; padding: 4px 8px; border-radius: 8px; background: rgba(109,140,255,.15); color: #b9c6ff; font-family: "Inter", "Noto Sans SC", sans-serif; white-space: nowrap; }
.chat-body { flex: 1; padding: 14px 12px; display: flex; flex-direction: column; gap: 9px; overflow: hidden; justify-content: flex-end; }
.msg {
  max-width: 82%; padding: 8px 12px 6px; border-radius: 16px; font-size: 14px; line-height: 1.45; position: relative;
  animation: pop .45s cubic-bezier(.2,1.3,.4,1) both;
}
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.9); } }
.msg.in { align-self: flex-start; background: #182533; border-end-start-radius: 5px; }
.msg.out { align-self: flex-end; background: #34447e; border-end-end-radius: 5px; }
.msg .meta { display: flex; justify-content: flex-end; gap: 4px; font-size: 10.5px; color: #8fa0c4; margin-top: 2px; font-family: "Inter", sans-serif; }
.msg .meta .ticks { color: #7fb4ff; }
.msg .txt.scr { color: #b8c3ff; }
.msg .orig { display: block; font-size: 11.5px; color: #7f91a4; border-inline-start: 2px solid #6d8cff; padding-inline-start: 7px; margin-bottom: 4px; font-family: "Noto Sans SC", sans-serif; }
.msg .vrow { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.msg .play { width: 30px; height: 30px; border-radius: 50%; background: #6d8cff; display: grid; place-items: center; flex: none; }
.msg .play::after { content: ""; border-left: 9px solid #fff; border-top: 6px solid transparent; border-bottom: 6px solid transparent; margin-left: 2px; }
.msg .mini-wave { display: flex; align-items: center; gap: 2px; height: 24px; }
.msg .mini-wave i { width: 2.5px; border-radius: 2px; background: #8fa7ff; animation: eq 1.1s ease-in-out infinite; }
.typing { align-self: flex-start; background: #182533; padding: 11px 14px; border-radius: 16px; display: flex; gap: 4px; animation: pop .3s both; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: #7f91a4; animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes blink { 30% { transform: translateY(-4px); background: #cdd6ff; } }
.chat-input { display: flex; align-items: center; justify-content: space-between; margin: 0 10px 14px; padding: 8px 8px 8px 16px; border-radius: 22px; background: #17212b; color: #6c7a8b; font-size: 13px; }
[dir="rtl"] .chat-input { padding: 8px 16px 8px 8px; }
.mic { width: 34px; height: 34px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; color: #fff; }
.mic svg { width: 17px; height: 17px; }

.float-chip {
  position: absolute; z-index: 3; padding: 10px 16px; border-radius: 14px; font-size: 13.5px; white-space: nowrap;
  background: rgba(20, 24, 62, .75); border: 1px solid var(--line); backdrop-filter: blur(12px);
  box-shadow: 0 20px 40px -12px rgba(0,0,0,.6); animation: bob 6s ease-in-out infinite;
}
.float-chip b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 17px; }
.c1 { top: 18%; inset-inline-start: -2%; animation-delay: -2s; }
.c2 { bottom: 14%; inset-inline-end: -4%; color: #9fc0ff; }

/* ---------- marquee ---------- */
.marquee { padding: 30px 0; display: grid; gap: 14px; mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 14px; width: max-content; animation: scroll 60s linear infinite; direction: ltr; }
.marquee-track.rev { animation-direction: reverse; animation-duration: 70s; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes scroll { to { transform: translateX(-50%); } }
.pill {
  padding: 10px 20px; border-radius: 999px; background: var(--card); border: 1px solid var(--line);
  font-size: 15.5px; white-space: nowrap; transition: background .3s, border-color .3s, transform .3s;
  font-family: "Inter", "Vazirmatn", "Noto Sans SC", "Noto Sans Devanagari", sans-serif;
}
.pill:hover { background: rgba(122,90,248,.2); border-color: rgba(122,90,248,.5); transform: translateY(-3px); }
.pill small { color: var(--muted); margin-inline-start: 8px; font-size: 12px; }

/* ---------- stats ---------- */
.stats { max-width: 1180px; margin: 20px auto 0; padding: 0 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { text-align: center; padding: 26px 12px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.stat b { display: block; font-size: 44px; font-weight: 800; line-height: 1.1; font-family: "Inter", sans-serif; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat b small { font-size: 24px; }
.stat span { color: var(--muted); font-size: 14.5px; }

/* ---------- sections ---------- */
.section { max-width: 1180px; margin: 0 auto; padding: 120px 24px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: #a9b6ff; padding: 6px 14px; border-radius: 999px; background: rgba(109,140,255,.1); border: 1px solid rgba(109,140,255,.22);
}
[dir="rtl"] .eyebrow { letter-spacing: 0; }
h2 { font-size: clamp(32px, 4.4vw, 54px); line-height: 1.1; letter-spacing: -.03em; font-weight: 800; margin: 18px 0 16px; }
.section-head p, .split-copy p { color: var(--muted); font-size: 18px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 44px; left: 16%; right: 16%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--violet), var(--blue), transparent); opacity: .5;
}
.step { position: relative; text-align: center; padding: 0 16px; }
.step-num {
  width: 88px; height: 88px; margin: 0 auto 22px; border-radius: 28px; display: grid; place-items: center;
  font-size: 34px; background: rgba(20, 24, 62, .9); border: 1px solid var(--line); position: relative;
  box-shadow: 0 20px 50px -20px rgba(122,90,248,.8);
}
.step-num::after { content: attr(data-n); position: absolute; top: -8px; inset-inline-end: -8px; width: 28px; height: 28px; border-radius: 50%; background: var(--grad); font: 800 13px/28px "Inter", sans-serif; }
.step h3 { font-size: 21px; margin-bottom: 8px; }
.step p { color: var(--muted); }

/* bento */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card {
  --x: 50%; --y: 50%;
  position: relative; padding: 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line);
  overflow: hidden; isolation: isolate; transition: transform .35s cubic-bezier(.2,.8,.2,1), border-color .3s;
}
.card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .35s;
  background: radial-gradient(420px circle at var(--x) var(--y), rgba(122, 90, 248, .22), transparent 45%);
}
.card::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; opacity: 0; transition: opacity .35s;
  background: radial-gradient(300px circle at var(--x) var(--y), rgba(160, 175, 255, .9), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
.card:hover { transform: translateY(-4px); }
.card:hover::before, .card:hover::after { opacity: 1; }
.card.wide { grid-column: span 2; }
.card.tall { grid-row: span 2; }
.card .ic {
  width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(91,131,255,.25), rgba(122,90,248,.25)); border: 1px solid rgba(140,150,255,.3); color: #c3cdff;
}
.card .ic svg { width: 24px; height: 24px; }
.card h3 { font-size: 18.5px; margin-bottom: 8px; line-height: 1.35; }
.card p { color: var(--muted); font-size: 15px; }
.card.hl { background: linear-gradient(145deg, rgba(61,107,245,.22), rgba(122,90,248,.16) 60%, rgba(255,255,255,.03)); }
.card.hl h3 { font-size: 24px; }
.card .demo-tr { margin-top: 22px; display: grid; gap: 8px; font-size: 14px; }
.card .demo-tr div { padding: 9px 13px; border-radius: 13px; background: rgba(8,10,30,.55); border: 1px solid var(--line); display: flex; justify-content: space-between; gap: 10px; }
.card .demo-tr small { color: var(--muted); font-family: "Inter", sans-serif; font-size: 11px; }

/* split sections */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split.rev .split-copy { order: 2; }
.split-copy h2 { margin-top: 18px; }
.checks { list-style: none; margin-top: 26px; display: grid; gap: 14px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; }
.checks li::before {
  content: "✓"; flex: none; width: 24px; height: 24px; border-radius: 8px; display: grid; place-items: center; font-size: 13px; font-weight: 800;
  background: rgba(122,90,248,.2); color: #c5b6ff; margin-top: 2px;
}

.voice-stage { display: grid; gap: 18px; padding: 34px; border-radius: 30px; background: var(--card); border: 1px solid var(--line); position: relative; overflow: hidden; }
.voice-stage::before { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(122,90,248,.25); filter: blur(80px); top: 30%; left: 30%; }
.vbubble { position: relative; padding: 16px 18px; border-radius: 20px; background: rgba(12,15,42,.8); border: 1px solid var(--line); max-width: 88%; }
.vbubble.to { justify-self: end; background: linear-gradient(135deg, rgba(61,107,245,.45), rgba(122,90,248,.4)); border-color: rgba(160,170,255,.35); }
.vlabel { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.vbubble.to .vlabel { color: #dfe4ff; }
.wave { display: flex; align-items: center; gap: 3px; height: 40px; direction: ltr; }
.wave i { flex: 1; max-width: 4px; border-radius: 3px; background: #9db0ff; animation: eq 1.3s ease-in-out infinite; transform-origin: center; }
.vbubble.to .wave i { background: #fff; }
@keyframes eq { 50% { transform: scaleY(.35); } }
.vtext { margin-top: 10px; font-size: 17px; }
.vtext.fa { font-family: "Vazirmatn", sans-serif; direction: rtl; text-align: right; }
.vtext.zh { font-family: "Noto Sans SC", sans-serif; }
.vflow { position: relative; display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; font-size: 12.5px; color: #c9d0ff; }
.vflow span { padding: 6px 12px; border-radius: 999px; background: rgba(122,90,248,.18); border: 1px solid rgba(122,90,248,.35); }
.vflow i { width: 22px; height: 2px; background: linear-gradient(90deg, var(--blue), var(--violet)); position: relative; overflow: hidden; }
.vflow i::after { content: ""; position: absolute; inset: 0; background: #fff; animation: dash 1.4s linear infinite; }
@keyframes dash { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* orbit */
.orbit { position: relative; aspect-ratio: 1; max-width: 520px; width: 100%; margin: 0 auto; }
.orb {
  position: absolute; top: 50%; left: 50%; width: 120px; height: 120px; transform: translate(-50%, -50%);
  border-radius: 36px; box-shadow: 0 0 80px 10px rgba(122,90,248,.55); animation: glow 4s ease-in-out infinite;
}
.orb img { width: 100%; height: 100%; border-radius: 36px; }
@keyframes glow { 50% { box-shadow: 0 0 120px 24px rgba(61,107,245,.6); } }
.ring { position: absolute; top: 50%; left: 50%; border-radius: 50%; border: 1px dashed rgba(160,170,255,.22); transform: translate(-50%, -50%); }
.r1 { width: 62%; height: 62%; animation: spin 40s linear infinite; }
.r2 { width: 96%; height: 96%; animation: spin 60s linear infinite reverse; }
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
.member { position: absolute; transform: translate(-50%, -50%); display: flex; flex-direction: column; align-items: center; gap: 6px; transition: .5s; }
.member .avatar { width: 48px; height: 48px; font-size: 20px; box-shadow: 0 8px 24px rgba(0,0,0,.4); }
.member .mb {
  padding: 7px 12px; border-radius: 13px; font-size: 13px; white-space: nowrap; background: rgba(16,20,52,.9);
  border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(0,0,0,.35); transition: .4s;
  font-family: "Inter", "Vazirmatn", "Noto Sans SC", "Noto Sans Devanagari", sans-serif;
}
.member.speak .mb { background: var(--grad); border-color: transparent; transform: scale(1.08); }
.member .mb small { display: block; font-size: 10px; color: var(--muted); font-family: "Inter", sans-serif; }
.member.speak .mb small { color: #e6e9ff; }

/* platforms */
.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pcard {
  --rx: 0deg; --ry: 0deg;
  position: relative; display: flex; flex-direction: column; padding: 32px; border-radius: 26px;
  background: var(--card); border: 1px solid var(--line); overflow: hidden;
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)); transition: transform .3s, border-color .3s, box-shadow .3s;
}
.pcard:hover { border-color: rgba(160,170,255,.4); box-shadow: 0 30px 60px -20px rgba(80, 60, 220, .6); }
.pcard.featured { background: linear-gradient(160deg, rgba(61,107,245,.25), rgba(122,90,248,.15) 60%, rgba(255,255,255,.03)); }
.picon { width: 64px; height: 64px; border-radius: 20px; display: grid; place-items: center; margin-bottom: 22px; color: #fff; }
.picon svg { width: 30px; height: 30px; }
.picon.web { background: var(--grad); }
.picon.android { background: linear-gradient(135deg, #3ddc84, #1a9e5c); }
.picon.tg { background: linear-gradient(135deg, #37aee2, #1e96c8); }
.pcard h3 { font-size: 22px; margin-bottom: 8px; }
.pcard p { color: var(--muted); flex: 1; }
.purl { margin: 18px 0 12px; font: 500 13px "Inter", monospace; color: #aeb9ff; direction: ltr; text-align: start; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.plink { font-weight: 700; color: #fff; display: inline-flex; gap: 6px; }
[dir="rtl"] .plink { flex-direction: row; }

/* uses */
.uses { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.use { padding: 26px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); transition: transform .3s, background .3s; }
.use:hover { transform: translateY(-6px); background: var(--card-hi); }
.use .em { font-size: 36px; margin-bottom: 14px; display: block; }
.use h3 { font-size: 18px; margin-bottom: 6px; }
.use p { color: var(--muted); font-size: 15px; }

/* faq */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.qa { border-radius: 18px; background: var(--card); border: 1px solid var(--line); overflow: hidden; transition: border-color .3s, background .3s; }
.qa.open { border-color: rgba(122,90,248,.45); background: rgba(122,90,248,.08); }
.qa button {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; text-align: start;
  padding: 20px 24px; background: none; border: 0; color: var(--text); font: 600 17px var(--font); cursor: pointer;
}
.qa button::after { content: "+"; font-size: 26px; font-weight: 300; color: #a9b6ff; transition: transform .3s; flex: none; }
.qa.open button::after { transform: rotate(45deg); }
.qa .ans { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s ease; }
.qa.open .ans { grid-template-rows: 1fr; }
.qa .ans > div { overflow: hidden; }
.qa .ans p { padding: 0 24px 22px; color: var(--muted); }

/* cta */
.cta {
  position: relative; max-width: 1080px; margin: 130px auto 0; padding: 80px 24px; text-align: center; border-radius: 36px; overflow: hidden;
  background: linear-gradient(145deg, rgba(61,107,245,.3), rgba(122,90,248,.25)); border: 1px solid rgba(160,170,255,.25);
}
.cta-glow { position: absolute; inset: 0; background: radial-gradient(circle at 50% 0%, rgba(255,187,46,.2), transparent 50%); pointer-events: none; }
.cta-logo { margin: 0 auto 20px; border-radius: 24px; box-shadow: 0 20px 50px -10px rgba(122,90,248,.8); animation: bob 5s ease-in-out infinite; }
.cta p { color: #c9cff5; font-size: 18px; max-width: 560px; margin: 0 auto; }

/* footer */
.footer { max-width: 1180px; margin: 0 auto; padding: 70px 24px 40px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); margin-top: 100px; }
.foot-brand { display: flex; align-items: center; gap: 12px; }
.foot-brand img { border-radius: 9px; }
.foot-brand div { display: flex; flex-direction: column; line-height: 1.3; }
.foot-brand span { color: var(--muted); font-size: 13.5px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 22px; color: var(--muted); font-size: 14.5px; }
.foot-links a:hover { color: var(--text); }
.foot-copy { width: 100%; color: #6b7299; font-size: 13px; }

/* reveal */
.reveal { opacity: 0; transform: translateY(34px); filter: blur(6px); transition: opacity .9s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1), filter .9s; }
.reveal.in { opacity: 1; transform: none; filter: none; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .nav-links { display: none; }
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 120px; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-cta { justify-content: center; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .card.tall { grid-row: auto; }
  .split, .split.rev { grid-template-columns: 1fr; gap: 40px; }
  .split.rev .split-copy { order: 0; }
  .uses { grid-template-columns: repeat(2, 1fr); }
  .platforms { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nav { padding: 8px 8px 8px 14px; }
  [dir="rtl"] .nav { padding: 8px 14px 8px 8px; }
  .nav .btn-sm { display: none; }
  .hero { padding: 110px 16px 40px; gap: 30px; }
  .hero-cta { flex-direction: column; width: 100%; }
  .hero-cta .btn { justify-content: center; width: 100%; }
  .phone { width: 280px; height: 570px; }
  .float-chip { display: none; }
  .section { padding: 90px 16px 0; }
  .stats { padding: 0 16px; }
  .steps { grid-template-columns: 1fr; gap: 36px; }
  .steps::before { display: none; }
  .bento, .uses { grid-template-columns: 1fr; }
  .card.wide { grid-column: auto; }
  .voice-stage { padding: 22px; }
  .member .mb { font-size: 11.5px; padding: 5px 9px; }
  .member .avatar { width: 38px; height: 38px; font-size: 16px; }
  .cta { margin: 90px 16px 0; padding: 60px 18px; }
  .footer { padding: 50px 16px 30px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
}

/* reveal + hover/tilt transforms must win over .reveal.in { transform: none } */
.pcard.reveal.in { transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)); }
.card.reveal.in:hover { transform: translateY(-4px); }
.use.reveal.in:hover { transform: translateY(-6px); }

.plink .arrow { font-style: normal; display: inline-block; transition: transform .3s; }
.pcard:hover .plink .arrow { transform: translateX(4px); }
[dir="rtl"] .plink .arrow { transform: scaleX(-1); }
[dir="rtl"] .pcard:hover .plink .arrow { transform: scaleX(-1) translateX(4px); }
.greeting { top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: clamp(80px, 13vw, 170px); }
.greeting.out { transform: translate(-50%, -50%) scale(1.1); }
.member .mb { white-space: normal; max-width: 160px; text-align: center; }
.member .mb span { display: block; }
html, body { overflow-x: clip; }
.marquee { overflow: hidden; }
.chat-status, .chat-name { white-space: nowrap; }
@media (max-width: 640px) {
  .orb { width: 84px; height: 84px; border-radius: 26px; }
  .orb img { border-radius: 26px; }
  .member .mb { max-width: 124px; }
}
/* ---------- promo video ---------- */
.watch { padding-top: 110px; }
.vtabs { display: grid; gap: 10px; margin-top: 28px; max-width: 360px; }
.vtab {
  display: flex; align-items: center; gap: 14px; padding: 8px; border-radius: 16px; cursor: pointer; text-align: start;
  background: var(--card); border: 1px solid var(--line); color: var(--text); font: inherit; transition: background .25s, border-color .25s;
}
.vtab img { width: 40px; height: 72px; object-fit: cover; border-radius: 9px; }
.vtab span { display: flex; flex-direction: column; line-height: 1.35; }
.vtab small { color: var(--muted); font-family: "Inter", sans-serif; }
.vtab:hover { background: var(--card-hi); }
.vtab.active { border-color: rgba(122,90,248,.6); background: rgba(122,90,248,.14); }
.vplayer { position: relative; display: grid; place-items: center; }
.vplayer::before {
  content: ""; position: absolute; width: 70%; height: 70%; border-radius: 50%;
  background: radial-gradient(circle, rgba(122,90,248,.55), rgba(61,107,245,.25) 50%, transparent 70%); filter: blur(50px);
}
.vframe {
  position: relative; width: min(340px, 82vw); aspect-ratio: 9 / 16; border-radius: 34px; overflow: hidden;
  background: #0a0c24; border: 1px solid rgba(160,170,255,.25);
  box-shadow: 0 40px 90px -25px rgba(60, 40, 200, .8), 0 0 0 8px rgba(255,255,255,.03);
}
.vframe video { width: 100%; height: 100%; object-fit: cover; display: block; cursor: pointer; }
.vsound {
  position: absolute; bottom: 22px; inset-inline-start: 50%; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 8px; height: 42px; padding: 0 16px; border-radius: 999px; cursor: pointer;
  background: rgba(10, 12, 36, .6); border: 1px solid rgba(255,255,255,.18); color: #fff; font: 600 13.5px var(--font);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: background .25s, opacity .3s;
}
[dir="rtl"] .vsound { transform: translateX(50%); }
.vsound:hover { background: rgba(122,90,248,.55); }
.vsound svg { width: 19px; height: 19px; }
.vsound .on, .vsound[aria-pressed="true"] .off { display: none; }
.vsound[aria-pressed="true"] .on { display: block; }
.vsound[aria-pressed="true"] { opacity: .55; }
.vsound[aria-pressed="true"] span { display: none; }
.vframe:hover .vsound[aria-pressed="true"] { opacity: 1; }
.vprog { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: rgba(255,255,255,.12); }
.vprog i { display: block; height: 100%; width: 0; background: var(--grad); }
@media (max-width: 1020px) { .vtabs { margin-inline: auto; } .watch .split-copy { text-align: center; } }
@media (max-width: 1020px) { .vtabs { grid-template-columns: 1fr 1fr; max-width: 420px; } }
/* ---------- help center card ---------- */
.helpcard {
  max-width: 820px; margin: 22px auto 0; display: flex; align-items: center; gap: 20px; padding: 24px 26px;
  border-radius: 22px; background: linear-gradient(145deg, rgba(61,107,245,.2), rgba(122,90,248,.14));
  border: 1px solid rgba(160,170,255,.28); transition: border-color .3s, box-shadow .3s;
}
.helpcard:hover { border-color: rgba(160,170,255,.55); box-shadow: 0 24px 50px -20px rgba(80,60,220,.7); }
.help-ic { flex: none; width: 54px; height: 54px; border-radius: 17px; display: grid; place-items: center; background: var(--grad); color: #fff; }
.help-ic svg { width: 27px; height: 27px; }
.help-copy { flex: 1; }
.help-copy h3 { font-size: 19px; margin-bottom: 4px; }
.help-copy p { color: var(--muted); font-size: 15px; }
.help-btn { flex: none; pointer-events: none; }
.help-btn .arrow { font-style: normal; display: inline-block; transition: transform .3s; }
.helpcard:hover .help-btn .arrow { transform: translateX(4px); }
[dir="rtl"] .help-btn .arrow { transform: scaleX(-1); }
[dir="rtl"] .helpcard:hover .help-btn .arrow { transform: scaleX(-1) translateX(4px); }
@media (max-width: 640px) {
  .helpcard { flex-direction: column; text-align: center; padding: 26px 20px; }
  .help-btn { width: 100%; justify-content: center; }
}