/* HearTech — neutral hearing & hearing-aid advisor. Brand: blue → violet → magenta, cyan glint, indigo ink. */
:root{
  --blue:#2F5BEA;--indigo:#4A32D4;--violet:#7B2FD6;--magenta:#D21C9C;--pink:#F25CC8;--cyan:#3FE0FF;
  --ink:#1B1446;--ink2:#4a4470;--muted:#7a7499;--paper:#F7F5FF;--lilac:#E9E4FF;--line:#e4def8;--white:#fff;
  --green:#22C58B;--amber:#FFB547;--red:#FF4D6D;
  --grad:linear-gradient(100deg,var(--blue) 0%,var(--violet) 52%,var(--magenta) 100%);
  --r:22px;--shadow:0 20px 60px -24px rgba(74,50,212,.35);--shadow2:0 8px 30px -12px rgba(27,20,70,.18);
  --fa:"Vazirmatn",system-ui,sans-serif;--en:"Poppins","Inter",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--fa);color:var(--ink);background:var(--white);line-height:1.85;font-size:16.5px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
html[data-lang=en] body{font-family:var(--en);line-height:1.7}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:8px}

/* language blocks */
html[data-lang=fa] .ar,html[data-lang=fa] .en,
html[data-lang=ar] .fa,html[data-lang=ar] .en,
html[data-lang=en] .fa,html[data-lang=en] .ar{display:none!important}

.wrap{width:min(1180px,100% - 40px);margin-inline:auto}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--violet);background:var(--lilac);padding:6px 14px;border-radius:99px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(123,47,214,.15)}
h1,h2,h3{line-height:1.35;font-weight:800;letter-spacing:-.01em}
html[data-lang=en] h1,html[data-lang=en] h2{letter-spacing:-.025em;line-height:1.15}
h2.sec{font-size:clamp(26px,3.4vw,40px);margin:14px 0 12px}
p.lead{color:var(--ink2);font-size:17.5px;max-width:640px}
section{padding:96px 0;position:relative}
.center{text-align:center}.center p.lead{margin-inline:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:99px;font-weight:700;font-size:15.5px;transition:transform .25s,box-shadow .25s,background .25s}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 12px 30px -10px rgba(210,28,156,.55);background-size:160% 100%}
.btn-main:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:0 18px 40px -12px rgba(123,47,214,.6)}
.btn-ghost{background:#fff;border:1.5px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--violet);color:var(--violet)}
.btn svg{width:18px;height:18px}
html[dir=rtl] .btn .arr{transform:scaleX(-1)}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.78);backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.top.scrolled{border-color:var(--line)}
.top .wrap{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--en);font-weight:700;font-size:22px}
.brand img{height:34px;width:auto}
.brand small{display:block;font-family:var(--fa);font-size:11px;font-weight:500;color:var(--muted);margin-top:-4px}
nav.main{display:flex;gap:26px;margin-inline-start:auto;font-weight:600;font-size:15px;color:var(--ink2)}
nav.main a{position:relative;padding:6px 0}
nav.main a::after{content:"";position:absolute;inset-inline:0;bottom:0;height:2px;background:var(--grad);transform:scaleX(0);transition:transform .3s;border-radius:2px}
nav.main a:hover::after,nav.main a.on::after{transform:scaleX(1)}
.langs{display:flex;background:var(--paper);border:1px solid var(--line);border-radius:99px;padding:3px}
.langs button{padding:5px 11px;border-radius:99px;font-size:13px;font-weight:700;color:var(--muted)}
.langs button.on{background:var(--ink);color:#fff}
.top .btn{padding:10px 18px;font-size:14px}
.burger{display:none;width:42px;height:42px;border-radius:12px;background:var(--paper)}
.burger span{display:block;width:18px;height:2px;background:var(--ink);margin:4px auto;border-radius:2px}

/* hero */
.hero{padding:70px 0 90px;overflow:hidden;background:radial-gradient(900px 500px at 85% 10%,rgba(63,224,255,.16),transparent 60%),radial-gradient(800px 600px at 10% 90%,rgba(242,92,200,.12),transparent 60%),linear-gradient(180deg,#fff, var(--paper))}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,62px);margin:18px 0 18px}
.hero p.lead{font-size:18.5px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.trust{display:flex;gap:26px;margin-top:38px;flex-wrap:wrap}
.trust div{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink2);font-weight:600}
.trust b{font-size:22px;color:var(--ink);font-family:var(--en)}
.trust i{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:#fff;box-shadow:var(--shadow2);font-style:normal}
.stage{position:relative;aspect-ratio:1/1.05;display:grid;place-items:center}
.stage .orb{position:absolute;inset:8%;border-radius:50%;background:conic-gradient(from 200deg,var(--blue),var(--violet),var(--magenta),var(--cyan),var(--blue));filter:blur(46px);opacity:.38;animation:spin 18s linear infinite}
.stage .ring{position:absolute;border-radius:50%;border:1.5px solid rgba(123,47,214,.18);animation:pulse 4s ease-out infinite}
.stage .ring.r2{animation-delay:1.3s}.stage .ring.r3{animation-delay:2.6s}
.stage .oto{position:relative;width:78%;border-radius:36px;-webkit-mask-image:radial-gradient(ellipse 70% 72% at 50% 52%,#000 62%,transparent 100%);mask-image:radial-gradient(ellipse 70% 72% at 50% 52%,#000 62%,transparent 100%);animation:float 6s ease-in-out infinite}
.chip{position:absolute;background:#fff;border-radius:16px;padding:10px 14px;box-shadow:var(--shadow);font-size:13.5px;font-weight:700;display:flex;align-items:center;gap:10px;animation:float 7s ease-in-out infinite}
.chip .dot{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;color:#fff;font-size:15px}
.chip small{display:block;font-weight:500;color:var(--muted);font-size:12px}
.chip.c1{top:10%;inset-inline-start:-2%}.chip.c2{bottom:16%;inset-inline-end:-4%;animation-delay:1.5s}.chip.c3{bottom:2%;inset-inline-start:8%;animation-delay:3s}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%{inset:30%;opacity:.9}100%{inset:-6%;opacity:0}}
@keyframes float{50%{transform:translateY(-12px)}}

/* wave line */
.wave{height:56px;display:flex;align-items:center;gap:4px;justify-content:center;margin-top:20px}
.wave span{width:4px;border-radius:4px;background:var(--grad);animation:bar 1.4s ease-in-out infinite}
@keyframes bar{50%{transform:scaleY(.3)}}

/* search */
.finder{margin-top:-46px;position:relative;z-index:5}
.finder .box{background:#fff;border-radius:26px;box-shadow:var(--shadow);padding:18px;display:grid;grid-template-columns:1.3fr 1fr 1fr auto;gap:12px;border:1px solid var(--line)}
.field{background:var(--paper);border-radius:16px;padding:10px 16px;display:flex;flex-direction:column}
.field label{font-size:12px;font-weight:700;color:var(--muted)}
.field select,.field input{border:0;background:none;font:inherit;font-weight:700;color:var(--ink);outline:none;padding:2px 0;width:100%}

/* cards */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .35s,box-shadow .35s,border-color .35s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ic{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;font-size:24px;margin-bottom:18px;background:var(--lilac)}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--ink2);font-size:15px}
.card .more{display:inline-flex;gap:6px;margin-top:16px;font-weight:700;color:var(--violet);font-size:14.5px}
.card.glow::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .35s}
.card.glow:hover::before{opacity:1}

/* problem strip */
.dark{background:radial-gradient(700px 400px at 80% 0%,rgba(210,28,156,.35),transparent 60%),radial-gradient(700px 500px at 0% 100%,rgba(47,91,234,.45),transparent 60%),#120c35;color:#fff}
.dark p.lead,.dark .card p{color:#c9c3ef}
.dark .eyebrow{background:rgba(255,255,255,.08);color:var(--cyan)}
.dark .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);backdrop-filter:blur(6px)}
.stat{font-family:var(--en);font-size:clamp(40px,5vw,58px);font-weight:800;line-height:1}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:46px}
.step{position:relative;padding:26px;border-radius:var(--r);background:var(--paper)}
.step::before{counter-increment:s;content:counter(s,persian);font-size:46px;font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:10px}
html[data-lang=en] .step::before{content:"0" counter(s);font-family:var(--en)}
html[data-lang=ar] .step::before{content:counter(s,arabic-indic)}
.step h3{font-size:18px;margin-bottom:6px}.step p{font-size:14.5px;color:var(--ink2)}

/* quiz */
.quiz{background:#fff;border-radius:30px;box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden;display:grid;grid-template-columns:.9fr 1.1fr}
.quiz .side{background:var(--grad);color:#fff;padding:40px;position:relative;overflow:hidden}
.quiz .side::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;border:40px solid rgba(255,255,255,.08);inset-inline-end:-120px;bottom:-120px}
.quiz .side p{opacity:.9}
.quiz .body{padding:40px}
.bar{height:6px;background:var(--lilac);border-radius:6px;overflow:hidden;margin-bottom:26px}
.bar i{display:block;height:100%;width:0;background:var(--grad);transition:width .5s}
.q{display:none}.q.on{display:block;animation:in .45s}
.q h3{font-size:21px;margin-bottom:18px}
.opts{display:grid;gap:10px}
.opt{text-align:start;padding:15px 18px;border-radius:16px;border:1.5px solid var(--line);font-weight:600;transition:.25s;display:flex;align-items:center;gap:12px}
.opt:hover{border-color:var(--violet);background:var(--paper)}
.opt .k{width:28px;height:28px;border-radius:9px;background:var(--lilac);display:grid;place-items:center;font-size:13px;font-weight:800;color:var(--violet);flex:none}
.result{display:none}.result.on{display:block;animation:in .5s}
.result .pill{display:inline-block;background:var(--lilac);color:var(--violet);font-weight:800;padding:6px 14px;border-radius:99px;margin:4px}
@keyframes in{from{opacity:0;transform:translateY(12px)}}

/* centers */
.center-card{display:flex;flex-direction:column;gap:12px}
.center-card .head{display:flex;gap:14px;align-items:center}
.avatar{width:52px;height:52px;border-radius:16px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:20px;flex:none}
.score{margin-inline-start:auto;text-align:center}
.score b{display:block;font-family:var(--en);font-size:26px;line-height:1}
.score small{font-size:11px;color:var(--muted)}
.meter{height:8px;background:var(--lilac);border-radius:8px;overflow:hidden}
.meter i{display:block;height:100%;background:var(--grad);border-radius:8px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:12px;font-weight:700;padding:4px 10px;border-radius:99px;background:var(--paper);color:var(--ink2)}
.tag.ok{background:#e3f8ef;color:#128a5e}
.verified{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;color:#128a5e}
.badge-sample{position:absolute;top:14px;inset-inline-end:14px;font-size:11px;font-weight:800;background:var(--amber);color:#5a3b00;padding:3px 9px;border-radius:99px}

/* reviews marquee */
.marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.track{display:flex;gap:18px;width:max-content;animation:mq 50s linear infinite}
html[dir=rtl] .track{animation-name:mqr}
.marquee:hover .track{animation-play-state:paused}
.rev{width:330px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}
.rev .stars{color:var(--amber);letter-spacing:2px}
.rev p{font-size:14.5px;color:var(--ink2);margin:8px 0 12px}
.rev .who{font-size:13px;font-weight:700;display:flex;justify-content:space-between}
@keyframes mq{to{transform:translateX(-50%)}}
@keyframes mqr{to{transform:translateX(50%)}}

/* insurance logos */
.ins{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}
.ins a{padding:12px 20px;border-radius:14px;background:#fff;border:1px solid var(--line);font-weight:700;font-size:14.5px;transition:.25s}
.ins a:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-3px)}

/* faq */
.faq{max-width:820px;margin:40px auto 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:4px 22px;margin-bottom:12px;transition:.3s}
.faq details[open]{box-shadow:var(--shadow2);border-color:transparent}
.faq summary{list-style:none;cursor:pointer;font-weight:700;padding:16px 0;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";font-size:22px;color:var(--violet);transition:transform .3s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--ink2);padding-bottom:18px}

/* cta band */
.band{background:var(--grad);border-radius:34px;padding:56px;color:#fff;display:grid;grid-template-columns:1.4fr .6fr;align-items:center;gap:30px;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background:radial-gradient(400px 200px at 90% 10%,rgba(63,224,255,.45),transparent 70%)}
.band>*{position:relative}
.band h2{font-size:clamp(26px,3.2vw,38px)}
.band p{opacity:.92;margin-top:8px}
.band .btn{background:#fff;color:var(--ink)}
.band img{width:200px;justify-self:center;border-radius:24px;-webkit-mask-image:radial-gradient(circle,#000 55%,transparent 72%);mask-image:radial-gradient(circle,#000 55%,transparent 72%)}

/* footer */
footer{background:#0f0a2c;color:#bdb6e6;padding:70px 0 30px;margin-top:96px;font-size:14.5px}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
footer h4{color:#fff;margin-bottom:14px;font-size:15px}
footer a{display:block;padding:4px 0}footer a:hover{color:var(--cyan)}
footer .brand{color:#fff}
footer .legal{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}

/* inner page hero */
.phero{padding:56px 0 70px;background:radial-gradient(700px 360px at 90% 0%,rgba(63,224,255,.18),transparent 60%),radial-gradient(700px 400px at 0% 100%,rgba(242,92,200,.12),transparent 60%),var(--paper)}
.crumbs{font-size:13.5px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.crumbs a:hover{color:var(--violet)}
.phero h1{font-size:clamp(30px,4.2vw,50px);margin:16px 0 14px}
.phero .wrap.split{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.facts div{background:#fff;border-radius:16px;padding:14px 16px;box-shadow:var(--shadow2)}
.facts b{display:block;font-size:20px}.facts small{color:var(--muted);font-size:12.5px}

/* calculator */
.calc{background:#fff;border-radius:26px;box-shadow:var(--shadow);padding:28px;border:1px solid var(--line)}
.calc h3{font-size:19px;margin-bottom:4px}
.calc .row{margin-top:16px}
.calc label{font-size:13px;font-weight:700;color:var(--muted);display:flex;justify-content:space-between}
.calc input[type=range]{width:100%;accent-color:var(--violet);margin-top:8px}
.calc .seg{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.calc .seg button{padding:8px 14px;border-radius:12px;border:1.5px solid var(--line);font-weight:700;font-size:13.5px}
.calc .seg button.on{border-color:var(--violet);background:var(--lilac);color:var(--violet)}
.calc .out{margin-top:20px;background:var(--paper);border-radius:18px;padding:16px 18px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.calc .out b{display:block;font-size:22px}
.calc .out .you b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.note{font-size:12.5px;color:var(--muted);margin-top:12px;display:flex;gap:8px}
.note.warn{background:#fff6e4;color:#7a5200;padding:10px 12px;border-radius:12px}

/* article */
.progress{position:fixed;top:0;inset-inline-start:0;height:3px;background:var(--grad);z-index:60;width:0}
.article-wrap{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:start}
.toc{position:sticky;top:96px;background:var(--paper);border-radius:20px;padding:22px}
.toc h4{font-size:14px;margin-bottom:10px}
.toc a{display:block;font-size:14px;color:var(--ink2);padding:6px 10px;border-radius:10px;border-inline-start:2px solid transparent}
.toc a.on{background:#fff;color:var(--violet);border-color:var(--violet);font-weight:700}
.prose{max-width:740px}
.prose h2{font-size:27px;margin:44px 0 12px;scroll-margin-top:96px}
.prose h3{font-size:20px;margin:26px 0 8px}
.prose p{margin-bottom:16px;color:#2c2655}
.prose ul{margin:0 0 18px;padding-inline-start:22px}.prose li{margin-bottom:6px}
.tldr{background:linear-gradient(135deg,#fff,var(--paper));border:1.5px solid var(--lilac);border-radius:22px;padding:22px 24px;margin:26px 0}
.tldr b{color:var(--violet)}
.cmp{width:100%;border-collapse:separate;border-spacing:0;margin:20px 0 26px;font-size:15px;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.cmp th,.cmp td{padding:13px 16px;text-align:start;border-bottom:1px solid var(--line)}
.cmp thead th{background:var(--ink);color:#fff}
.cmp thead th:nth-child(2){background:var(--indigo)}.cmp thead th:nth-child(3){background:var(--violet)}
.cmp tr:last-child td{border-bottom:0}
.cmp td:first-child{font-weight:700;background:var(--paper)}
.pc{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}
.pc>div{border-radius:18px;padding:18px 20px}
.pc .pro{background:#e9faf3}.pc .con{background:#fff0f3}
.pc h4{margin-bottom:6px}
.pc ul{padding-inline-start:18px;font-size:14.5px}
.callout{display:flex;gap:16px;background:var(--ink);color:#fff;border-radius:22px;padding:20px 22px;margin:26px 0;align-items:center}
.callout img{width:74px;border-radius:18px;flex:none;background:#fff}
.callout p{color:#ddd8ff!important;margin:0!important;font-size:15px}
.author{display:flex;gap:16px;align-items:center;background:var(--paper);border-radius:22px;padding:20px;margin-top:40px}
.author .avatar{width:60px;height:60px}
.meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-top:6px}
.chooser{background:#fff;border:1.5px solid var(--lilac);border-radius:22px;padding:22px;margin:26px 0}
.chooser .opts{grid-template-columns:1fr 1fr}

/* about / contact */
.values .card{text-align:start}
.form{display:grid;gap:12px}
.form input,.form textarea,.form select{width:100%;padding:14px 16px;border-radius:14px;border:1.5px solid var(--line);font:inherit;background:#fff;color:var(--ink)}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--violet);outline:none}
.ok-msg{display:none;background:#e3f8ef;color:#0f6e4b;border-radius:14px;padding:14px;font-weight:700}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

/* float call */
.fab{position:fixed;bottom:20px;inset-inline-end:20px;z-index:40;background:var(--grad);color:#fff;border-radius:99px;padding:13px 20px;font-weight:800;box-shadow:0 14px 34px -10px rgba(210,28,156,.6);display:flex;gap:8px;align-items:center;font-size:14.5px}
.fab::before{content:"";position:absolute;inset:0;border-radius:inherit;border:2px solid var(--pink);animation:ping 2s infinite}
@keyframes ping{to{transform:scale(1.25);opacity:0}}

@media (max-width:980px){
  nav.main,.top .btn{display:none}.burger{display:block}
  nav.main.open{display:flex;flex-direction:column;position:absolute;top:74px;inset-inline:0;background:#fff;padding:20px;border-bottom:1px solid var(--line);gap:10px}
  .hero .wrap,.phero .wrap.split,.quiz,.band,.article-wrap{grid-template-columns:1fr}
  .stage{max-width:420px;margin-inline:auto}
  .g3,.g4,.steps{grid-template-columns:1fr 1fr}
  .finder .box{grid-template-columns:1fr 1fr}
  .toc{position:static}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  section{padding:70px 0}
  .wrap{width:calc(100% - 32px)}
  .g3,.g4,.g2,.steps,.finder .box,.facts,.pc,.chooser .opts{grid-template-columns:1fr}
  .band{padding:34px 24px}.quiz .side,.quiz .body{padding:26px}
  .langs button{padding:5px 8px}
  .brand small{display:none}
  .chip.c2{inset-inline-end:0}.chip.c1{inset-inline-start:0}
  .cmp{font-size:13.5px}.cmp th,.cmp td{padding:10px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}

/* topic hubs (brands / cities) — internal-linking blocks */
.hub{display:grid;gap:12px;margin-top:30px}
.hub-brands{grid-template-columns:repeat(6,1fr)}
.hub-brands a{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 14px;text-align:center;transition:.3s}
.hub-brands a b{display:block;font-family:var(--en);font-size:19px;letter-spacing:-.01em}
.hub-brands a small{color:var(--muted);font-size:12.5px}
.hub-brands a:hover{transform:translateY(-4px);box-shadow:var(--shadow2);border-color:var(--violet)}
.hub-cities{grid-template-columns:repeat(6,1fr)}
.hub-cities a{padding:14px;border-radius:14px;background:var(--paper);font-weight:700;text-align:center;transition:.25s}
.hub-cities a:hover{background:var(--grad);color:#fff}
@media (max-width:980px){.hub-brands,.hub-cities{grid-template-columns:repeat(3,1fr)}}
@media (max-width:620px){.hub-brands,.hub-cities{grid-template-columns:repeat(2,1fr)}}

/* call-to-action row + unlinked cards (owner 1405/07/29) */
.cta-row{display:flex!important;justify-content:center;width:100%;grid-column:1/-1;margin:56px auto 0;clear:both}
.cta-row .btn{margin:0 auto}
a:not([href]){cursor:default}
.hub-brands a:not([href]):hover,.ins a:not([href]):hover{transform:none;box-shadow:none;border-color:var(--line);color:inherit}
.phones a{display:block;font-family:var(--en);font-weight:800;font-size:19px;margin-top:6px;color:var(--violet)}
.phero{overflow-x:clip}
.hub-cities a:not([href]):hover{background:var(--paper);color:inherit}
.card.glow:not([href]):hover::before{opacity:0}

/* ===== HearTech brand v2 (owner 1405/08/08): black stage like the Instagram page — H-of-sound-bars logo,
   «هییرتک», blue→violet→magenta gradient, cyan highlights, soft glows, faint H watermark. ===== */
:root{
  --ink:#F4F2FF;--ink2:#c9c3ef;--muted:#9993c6;--paper:#0d0c20;--lilac:rgba(155,77,255,.16);--line:rgba(255,255,255,.10);
  --white:#07070f;--card:#121029;--card2:#17143a;--deep:#1B1446;
  --shadow:0 24px 60px -24px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.04);--shadow2:0 10px 30px -14px rgba(0,0,0,.7);
}
body{background:#07070f;color:var(--ink)}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(900px 600px at 85% -10%,rgba(155,77,255,.18),transparent 60%),radial-gradient(800px 600px at -10% 110%,rgba(47,91,234,.16),transparent 60%),#07070f}
body .grad-text{background:linear-gradient(100deg,#3FE0FF 0%,#9B4DFF 55%,#FF4FC3 100%);-webkit-background-clip:text;background-clip:text}
body .eyebrow{background:rgba(63,224,255,.08);color:var(--cyan);border:1px solid rgba(63,224,255,.25)}
body .eyebrow::before{background:var(--cyan);box-shadow:0 0 12px var(--cyan)}

/* header / brand */
body .top{background:rgba(7,7,15,.72)}
body .top.scrolled{border-color:var(--line)}
body .brand{font-family:var(--fa);font-weight:900;font-size:24px;color:#fff}
html[data-lang=en] body .brand{font-family:var(--en);font-weight:800}
body .brand img{height:40px;filter:drop-shadow(0 0 14px rgba(155,77,255,.45))}
body .langs{background:var(--card);border-color:var(--line)}
body .langs button.on{background:var(--grad);color:#fff}
body .burger{background:var(--card)}body .burger span{background:#fff}
body nav.main.open{background:#0b0a1c}

/* hero: black stage, glow, faint H watermark, breathing rings */
body .hero{background:radial-gradient(700px 500px at 80% 20%,rgba(63,224,255,.12),transparent 60%),radial-gradient(700px 500px at 10% 90%,rgba(210,28,156,.14),transparent 60%),transparent}
body .hero::after{content:"";position:absolute;inset-inline-end:-6%;top:6%;width:min(560px,60vw);aspect-ratio:1;background:url(logo.svg) center/contain no-repeat;opacity:.06;filter:grayscale(1) brightness(2);pointer-events:none}
body .hero .wrap{position:relative;z-index:1}
body .stage .ring{border-color:rgba(63,224,255,.28)}
body .stage .orb{opacity:.5}
body .stage .oto{border-radius:50%}
body .chip{background:rgba(18,16,41,.85);border:1px solid var(--line);color:#fff;backdrop-filter:blur(8px)}
body .trust i{background:var(--card);border:1px solid var(--line)}

/* surfaces */
body .card,body .rev,body .faq details,body .calc,body .chooser,body .quiz,body .journey,body .facts div,
body .hub-brands a,body .ins a,body .finder .box,body .opt{background:var(--card);border-color:var(--line)}
body .card:hover{border-color:rgba(155,77,255,.5);box-shadow:0 20px 50px -20px rgba(155,77,255,.45)}
body .card .ic{background:linear-gradient(135deg,rgba(63,224,255,.16),rgba(155,77,255,.22));border:1px solid var(--line)}
body .card .more{color:var(--cyan)}
body .btn-ghost{background:transparent;border-color:rgba(255,255,255,.22);color:#fff}
body .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
body .btn-main{box-shadow:0 12px 34px -10px rgba(210,28,156,.6),0 0 0 1px rgba(255,255,255,.08) inset}
body .step{background:var(--card);border:1px solid var(--line)}
body .dark{background:radial-gradient(700px 400px at 80% 0%,rgba(210,28,156,.28),transparent 60%),radial-gradient(700px 500px at 0% 100%,rgba(47,91,234,.3),transparent 60%),#0b0a1c;border-block:1px solid var(--line)}
body .opt:hover{background:var(--card2);border-color:var(--violet)}
body .opt .k,body .st b{background:var(--card2);color:var(--cyan);border-color:var(--line)}
body .result .pill{background:rgba(63,224,255,.12);color:var(--cyan)}
body .stations{background:#0b0a1c}
body .st.on{background:var(--card);color:#fff;border-color:var(--cyan)}
body .st.on b{background:var(--grad);color:#fff}
body .faq summary::after{color:var(--cyan)}
body .band{box-shadow:0 30px 80px -30px rgba(210,28,156,.6)}
body .band .btn{background:#07070f;color:#fff}
body .band img,body .callout img{background:transparent}
body .hub-cities a{background:var(--card);border:1px solid var(--line)}
body .tag{background:var(--card2)}

/* article */
body .phero{background:radial-gradient(700px 360px at 90% 0%,rgba(63,224,255,.12),transparent 60%),radial-gradient(700px 400px at 0% 100%,rgba(210,28,156,.12),transparent 60%),transparent}
body .crumbs a:hover,body .toc a.on{color:var(--cyan)}
body .toc{background:var(--card);border:1px solid var(--line)}
body .toc a.on{background:var(--card2);border-color:var(--cyan)}
body .prose p{color:var(--ink2)}
body .tldr{background:linear-gradient(135deg,rgba(63,224,255,.08),rgba(155,77,255,.12));border-color:rgba(63,224,255,.25)}
body .tldr b{color:var(--cyan)}
body .cmp{border-color:var(--line)}
body .cmp thead th{background:var(--deep);color:#fff}
body .cmp td{background:var(--card)}body .cmp td:first-child{background:var(--card2)}
body .pc .pro{background:rgba(34,197,139,.10);border:1px solid rgba(34,197,139,.3)}
body .pc .con{background:rgba(255,77,109,.08);border:1px solid rgba(255,77,109,.28)}
body .callout{background:linear-gradient(135deg,var(--deep),#2a1660);border:1px solid var(--line)}
body .author{background:var(--card);border:1px solid var(--line)}
body .note.warn{background:rgba(255,181,71,.1);color:#ffd28a}

/* footer + float call */
body footer{background:#05050b;border-top:1px solid var(--line)}
body footer .author-line{margin-top:12px;color:var(--cyan);font-size:13.5px;font-weight:700}
body .phones a{color:var(--cyan)}
body .fab::before{border-color:var(--cyan)}
body .wave span{background:linear-gradient(180deg,#3FE0FF,#9B4DFF,#FF4FC3)}
body .stage .oto{width:72%;aspect-ratio:1;object-fit:cover;border-radius:50%;-webkit-mask-image:none;mask-image:none;
  box-shadow:0 0 0 6px rgba(7,7,15,1),0 0 0 9px rgba(63,224,255,.55),0 0 90px 10px rgba(155,77,255,.45)}
body .hero::after{opacity:.04}
@media (max-width:620px){body .hero::after{display:none}}