/* Balla Solution — design system */
:root{
  --bg:#0a0e16;
  --bg-2:#0f1522;
  --surface:#131b2b;
  --surface-2:#182133;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#e9edf5;
  --muted:#93a1b8;
  --accent:#e2a44b;
  --accent-soft:rgba(226,164,75,.14);
  --blue:#5b93ff;
  --green:#3ecf8e;
  --radius:14px;
  --radius-lg:22px;
  --maxw:1140px;
  --shadow:0 20px 50px -20px rgba(0,0,0,.7);
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-display:"Sora","Inter",-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 500px at 15% -10%,rgba(91,147,255,.13),transparent 60%),
    radial-gradient(800px 500px at 90% 0%,rgba(226,164,75,.10),transparent 60%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2.2rem,5.2vw,3.65rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:22px}
.section{padding:88px 0;position:relative}
.section--tight{padding:64px 0}
.muted{color:var(--muted)}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);
  background:rgba(10,14,22,.78);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;font-size:1.06rem}
.brand__mark{width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(140deg,var(--accent),#b9762a);display:grid;place-items:center;
  color:#1a1206;font-weight:800;font-size:.95rem;font-family:var(--font-display)}
.brand__sub{color:var(--muted);font-weight:500;font-size:.78rem;display:block;letter-spacing:0}
.nav{margin-left:auto;display:flex;align-items:center;gap:26px}
.nav a{color:var(--muted);font-size:.93rem;font-weight:500;transition:color .18s}
.nav a:hover{color:var(--text)}
.header__actions{display:flex;align-items:center;gap:12px}
.lang{display:inline-flex;border:1px solid var(--line-strong);border-radius:999px;overflow:hidden;background:var(--surface)}
.lang button{appearance:none;background:none;border:0;color:var(--muted);font:inherit;font-size:.8rem;font-weight:600;
  padding:6px 12px;cursor:pointer;transition:.18s}
.lang button.is-active{background:var(--accent);color:#171104}
.burger{display:none;background:none;border:1px solid var(--line-strong);border-radius:10px;color:var(--text);
  width:40px;height:38px;cursor:pointer;font-size:1.1rem;line-height:1}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:999px;
  font-weight:600;font-size:.94rem;border:1px solid transparent;cursor:pointer;transition:.2s;font-family:var(--font)}
.btn--primary{background:var(--accent);color:#1a1206;box-shadow:0 10px 30px -12px rgba(226,164,75,.8)}
.btn--primary:hover{transform:translateY(-2px);background:#efb35c}
.btn--ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.03)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--sm{padding:9px 17px;font-size:.87rem}

/* ---------- hero ---------- */
.hero{padding:96px 0 72px}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.78rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border:1px solid rgba(226,164,75,.3);
  padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero p.lead{font-size:1.12rem;color:var(--muted);max-width:56ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
.hero__meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero__meta div{min-width:110px}
.hero__meta b{display:block;font-family:var(--font-display);font-size:1.5rem;color:var(--text)}
.hero__meta span{font-size:.83rem;color:var(--muted)}

/* console card */
.console{background:linear-gradient(180deg,var(--surface),var(--bg-2));border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
.console__bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.02)}
.dot{width:10px;height:10px;border-radius:50%;background:#3a4557}
.dot--a{background:#e0655b}.dot--b{background:#e2a44b}.dot--c{background:#3ecf8e}
.console__title{margin-left:8px;font-size:.78rem;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.console__body{padding:18px 18px 22px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.83rem;line-height:1.75}
.console__body .q{color:var(--blue)}
.console__body .a{color:var(--text)}
.console__body .k{color:var(--accent)}
.console__body .c{color:var(--muted)}
.bars{display:flex;align-items:flex-end;gap:8px;height:82px;margin:16px 0 6px}
.bars i{flex:1;background:linear-gradient(180deg,var(--accent),rgba(226,164,75,.25));border-radius:5px 5px 2px 2px;display:block}

/* ---------- generic blocks ---------- */
.section__head{max-width:64ch;margin-bottom:44px}
.section__head .eyebrow{margin-bottom:16px}
.grid{display:grid;gap:20px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  transition:.22s;position:relative;overflow:hidden}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);background:var(--surface-2)}
.card__icon{width:42px;height:42px;border-radius:11px;background:var(--accent-soft);border:1px solid rgba(226,164,75,.28);
  display:grid;place-items:center;margin-bottom:16px;color:var(--accent)}
.card__icon svg{width:21px;height:21px}
.card p{color:var(--muted);font-size:.95rem;margin-bottom:0}
.card ul{margin:14px 0 0;padding-left:18px;color:var(--muted);font-size:.9rem}
.card ul li{margin-bottom:5px}

/* channels marquee */
.channels{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.015);padding:26px 0}
.channels__label{font-size:.76rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);text-align:center;margin-bottom:16px}
.channels__list{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 12px}
.chip{border:1px solid var(--line-strong);border-radius:999px;padding:6px 15px;font-size:.85rem;color:var(--muted);
  background:var(--surface);white-space:nowrap}

/* case studies */
.case{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden}
.case + .case{margin-top:22px}
.case__body{padding:34px 32px}
.case__side{padding:34px 32px;background:rgba(255,255,255,.02);border-left:1px solid var(--line);display:flex;flex-direction:column;justify-content:center;gap:18px}
.case__tag{display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  color:var(--green);background:rgba(62,207,142,.12);border:1px solid rgba(62,207,142,.28);padding:4px 12px;border-radius:999px;margin-bottom:14px}
.case p{color:var(--muted);margin-bottom:0}
.stat b{display:block;font-family:var(--font-display);font-size:1.9rem;color:var(--accent);line-height:1.1}
.stat span{font-size:.86rem;color:var(--muted)}

/* process */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{border-top:2px solid var(--line-strong);padding-top:18px;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--font-display);font-size:.85rem;color:var(--accent);
  font-weight:700;letter-spacing:.05em}
.step h3{margin:8px 0 6px;font-size:1.02rem}
.step p{color:var(--muted);font-size:.9rem;margin:0}

/* about */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.about__card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px}
.about__card ul{list-style:none;margin:0;padding:0}
.about__card li{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.93rem;color:var(--muted)}
.about__card li:last-child{border-bottom:0}
.about__card li b{color:var(--text);font-weight:600;min-width:96px;flex:none}

/* contact */
.contact{background:linear-gradient(160deg,var(--surface),var(--bg-2));border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:46px 42px;box-shadow:var(--shadow)}
.contact__grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start}
.field{margin-bottom:15px}
.field label{display:block;font-size:.83rem;font-weight:600;color:var(--muted);margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;background:var(--bg);border:1px solid var(--line-strong);border-radius:10px;
  color:var(--text);font:inherit;font-size:.94rem;padding:11px 13px;transition:.18s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field textarea{min-height:112px;resize:vertical}
.contact__direct{margin-top:22px;display:flex;flex-direction:column;gap:10px;font-size:.94rem}
.contact__direct a{display:inline-flex;gap:10px;align-items:center;color:var(--text)}
.contact__direct a:hover{color:var(--accent)}

/* footer */
.footer{border-top:1px solid var(--line);padding:32px 0;margin-top:20px}
.footer__inner{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;color:var(--muted);font-size:.88rem}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* responsive */
@media (max-width:960px){
  .hero__grid,.about,.contact__grid,.case{grid-template-columns:1fr}
  .case__side{border-left:0;border-top:1px solid var(--line);flex-direction:row;flex-wrap:wrap;gap:26px}
  .grid--3,.steps{grid-template-columns:repeat(2,1fr)}
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--bg-2);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 22px 18px;display:none}
  .nav.is-open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .burger{display:block;margin-left:auto}
  .header__actions{order:3}
  .contact{padding:32px 22px}
}
@media (max-width:600px){
  .grid--3,.grid--2,.steps{grid-template-columns:1fr}
  .section{padding:64px 0}
  .hero{padding:64px 0 48px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* --- small-screen header fixes --- */
@media (max-width:860px){
  .brand__sub{display:none}
  .brand>span{white-space:nowrap}
  .header__inner{gap:12px}
}
@media (max-width:620px){
  .header__actions>.btn{display:none}
  .brand{font-size:1rem}
  .lang button{padding:6px 10px}
}

/* ---------- B2B partners / logo wall ---------- */
.partners{padding:76px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.015)}
.section__head--center{margin-inline:auto;text-align:center}
.logo-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.logo-tile{height:88px;display:grid;place-items:center;padding:16px;background:var(--surface);
  border:1px solid var(--line);border-radius:12px;transition:.22s}
.logo-tile:hover{border-color:var(--accent);background:var(--surface-2);transform:translateY(-2px)}
.logo-tile img{max-height:36px;max-width:100%;width:auto;object-fit:contain;
  filter:brightness(0) invert(1);opacity:.72;transition:opacity .2s}
.logo-tile:hover img{opacity:1}
.logo-name{font-family:var(--font-display);font-weight:600;font-size:.95rem;color:var(--muted);
  text-align:center;line-height:1.25}
.logo-tile:hover .logo-name{color:var(--text)}
.logo-tile img ~ .logo-name{display:none}
.partners__more{text-align:center;font-size:.9rem;margin:18px auto 0;max-width:70ch}
.partners__caps{margin-top:40px}
.grid--4{grid-template-columns:repeat(4,1fr)}
.cap{border-top:2px solid var(--accent);padding-top:16px}
.cap h3{font-size:1rem;margin:0 0 6px}
.cap p{color:var(--muted);font-size:.9rem;margin:0}
@media (max-width:960px){
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .grid--4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
  .logo-wall{grid-template-columns:repeat(2,1fr)}
  .grid--4{grid-template-columns:1fr}
  .partners{padding:56px 0}
}

/* ---------- accessibility / SEO helpers ---------- */
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--accent);color:#171104;
  padding:12px 18px;border-radius:0 0 10px 0;font-weight:600}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
address{font-style:normal}

/* language links (were buttons) */
.lang__btn{display:inline-flex;align-items:center;justify-content:center;min-width:46px;min-height:40px;
  padding:6px 12px;font-size:.8rem;font-weight:600;color:var(--muted);text-decoration:none;transition:.18s}
.lang__btn:hover{color:var(--text)}
.lang__btn.is-active{background:var(--accent);color:#171104}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin-inline:auto;border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{list-style:none;cursor:pointer;padding:20px 44px 20px 0;position:relative;
  min-height:56px;display:flex;align-items:center}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary h3{margin:0;font-size:1.05rem;font-weight:600;font-family:var(--font-display);color:var(--text)}
.faq__item summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:1.5rem;line-height:1;color:var(--accent);transition:transform .2s}
.faq__item[open] summary::after{content:"–"}
.faq__item summary:hover h3{color:var(--accent)}
.faq__a{padding:0 44px 22px 0}
.faq__a p{color:var(--muted);margin:0;max-width:76ch}

/* ---------- tap targets ---------- */
@media (max-width:960px){
  .btn{min-height:46px}
  .nav a{padding:14px 0}
  .lang__btn{min-height:44px;min-width:48px}
  .burger{width:46px;height:46px}
}