/* ============================================================
   BIAR — лендинг. Брендбук: Unbounded / Fira Sans / Merriweather
   Палитра: #0A0528 #2E2B87 #7B55D9 #92ADE4 #E2E4EE #FEFAF5
   Mobile-first.
   ============================================================ */

:root{
  --ink:#0A0528;
  --indigo:#2E2B87;
  --violet:#7B55D9;
  --violet-dark:#6843c4;
  --blue:#92ADE4;
  --mist:#E2E4EE;
  --cream:#FEFAF5;
  --white:#FFFFFF;
  --text:#1c1830;
  --muted:#5b5772;
  --radius:22px;
  --radius-sm:14px;
  --maxw:1180px;
  --shadow:0 18px 50px rgba(10,5,40,.10);
  --shadow-sm:0 8px 24px rgba(10,5,40,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Fira Sans",system-ui,sans-serif;
  color:var(--text);
  background:var(--cream);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.font-head{font-family:"Unbounded",sans-serif;font-weight:700;line-height:1.12;letter-spacing:-.01em}
.accent-serif{font-family:"Merriweather",serif}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:52px 0}
.section--tight{padding:42px 0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:"Fira Sans",sans-serif;font-weight:600;font-size:16px;
  padding:15px 26px;border-radius:999px;border:0;cursor:pointer;
  background:var(--violet);color:#fff;transition:transform .15s ease,background .2s ease,box-shadow .2s ease;
  box-shadow:0 10px 24px rgba(123,85,217,.32);
}
.btn:hover{background:var(--violet-dark);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--mist);box-shadow:none}
.btn--ghost:hover{background:var(--white);border-color:var(--blue)}
.btn--block{width:100%}
.btn--lg{padding:18px 32px;font-size:17px}
.btn--sm{padding:10px 16px;font-size:14px;box-shadow:0 6px 16px rgba(123,85,217,.3)}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(254,250,245,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.header.scrolled{border-color:var(--mist);box-shadow:0 6px 20px rgba(10,5,40,.05)}
.header__row{display:flex;align-items:center;justify-content:space-between;height:70px}
.header__logo img{height:30px;width:auto}
.nav{display:none}
.header__cta{display:none}
.header__right{display:flex;align-items:center;gap:10px}
.header__cta-mob{display:inline-flex}
.burger{display:flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{position:fixed;inset:70px 0 auto 0;background:var(--cream);border-bottom:1px solid var(--mist);
  transform:translateY(-130%);transition:transform .3s ease;z-index:49;padding:14px 20px 26px}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a{display:block;padding:13px 4px;font-weight:500;border-bottom:1px solid rgba(10,5,40,.06)}
.mobile-menu .btn{margin-top:16px}

/* ---------- hero ---------- */
.hero{background:
   radial-gradient(120% 90% at 100% 0%, rgba(146,173,228,.30), transparent 55%),
   radial-gradient(90% 70% at 0% 100%, rgba(123,85,217,.14), transparent 60%),
   var(--cream);
  overflow:hidden}
.hero__grid{display:grid;gap:30px;padding:32px 8px 52px}
.eyebrow{display:inline-block;font-weight:600;font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--indigo);background:var(--mist);padding:7px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:clamp(30px,7.6vw,52px);color:var(--ink);margin:0 0 18px}
.hero__sub{font-size:clamp(16px,2.4vw,19px);color:var(--muted);max-width:560px;margin:0 0 18px}
.hero__qual{font-weight:600;color:var(--indigo);margin:0 0 26px}
.hero__actions{display:flex;flex-direction:column;gap:12px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--ink);
  background:var(--white);border:1px solid var(--mist);padding:9px 15px;border-radius:999px;box-shadow:var(--shadow-sm)}
.chip b{font-family:"Unbounded",sans-serif;color:var(--violet)}
.hero__media{position:relative}
.hero__media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);position:relative;z-index:2;background:#fff}
.hero__blob{position:absolute;inset:-18px -18px auto auto;width:62%;height:78%;
  background:linear-gradient(160deg,var(--violet),var(--indigo));border-radius:var(--radius);z-index:1;opacity:.18}

/* ---------- generic heads ---------- */
.section-head{max-width:680px;margin-bottom:34px}
.section-head--center{margin:0 auto 38px;text-align:center}
.section-head h2{font-size:clamp(24px,5vw,36px);color:var(--ink);margin:0 0 14px}
.section-head p{color:var(--muted);margin:0;font-size:17px}

/* ---------- для кого ---------- */
.fit{display:grid;gap:18px}
.fit__card{border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow-sm)}
.fit__card--yes{background:var(--ink);color:#fff}
.fit__card--no{background:var(--white);border:1px solid var(--mist)}
.fit__card h3{font-size:19px;margin:0 0 16px;display:flex;align-items:center;gap:10px}
.fit__card--yes h3{color:#fff}
.fit__list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.fit__list li{position:relative;padding-left:30px;font-size:15.5px}
.fit__card--yes .fit__list li{color:#d9d4ef}
.fit__card--no .fit__list li{color:var(--muted)}
.fit__list li::before{position:absolute;left:0;top:1px;font-size:16px}
.fit__card--yes .fit__list li::before{content:"✓";color:var(--blue);font-weight:700}
.fit__card--no .fit__list li::before{content:"–";color:#b9b6c8;font-weight:700}

/* ---------- бенефиты-строка ---------- */
.benefits{background:var(--cream);border-top:1px solid var(--mist);border-bottom:1px solid var(--mist)}
.benefits__grid{display:grid;gap:16px;grid-template-columns:1fr;padding:22px 0}
.benefit{display:flex;gap:12px;align-items:center}
.benefit .bic{width:44px;height:44px;border-radius:12px;background:var(--mist);display:flex;align-items:center;justify-content:center;flex:0 0 auto;color:var(--violet)}
.benefit .bic svg{width:22px;height:22px}
.benefit b{display:block;font-family:"Unbounded",sans-serif;font-size:14px;color:var(--ink);font-weight:600;line-height:1.2;margin-bottom:3px}
.benefit span{font-size:13.5px;color:var(--muted);line-height:1.3}

/* ---------- узнаёте себя ---------- */
.recognize{display:grid;gap:14px}
.recognize__item{display:flex;gap:14px;align-items:flex-start;background:var(--white);border:1px solid var(--mist);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow-sm)}
.recognize__item .rk{color:var(--violet);font-weight:700;flex:0 0 auto;font-size:18px;line-height:1.5}
.recognize__item p{margin:0;font-size:15.5px;color:var(--text)}
.recognize__note{margin:26px auto 0;max-width:680px;text-align:center;font-size:18px;color:var(--indigo);font-weight:600}

/* ---------- боль (dark) ---------- */
.pain{background:var(--ink);color:#fff}
.pain__grid{display:grid;gap:30px;align-items:center}
.pain .eyebrow{background:rgba(146,173,228,.18);color:var(--blue)}
.pain h2{font-size:clamp(24px,5vw,34px);margin:0 0 20px}
.pain p{color:#cfcae6;margin:0 0 16px;font-size:17px}
.pain__quote{font-size:19px;line-height:1.55;color:#fff;border-left:3px solid var(--violet);padding-left:18px;margin:24px 0 0}
.pain__media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}

/* ---------- услуги ---------- */
.services{background:var(--cream)}
.services__grid{display:grid;gap:16px}
.service{background:var(--white);border:1px solid var(--mist);border-radius:var(--radius-sm);padding:24px 22px;transition:transform .18s,box-shadow .18s,border-color .18s}
.service:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--blue)}
.service__ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--mist);margin-bottom:16px;color:var(--violet)}
.service__ic svg{width:24px;height:24px}
.service h3{font-size:17px;color:var(--ink);margin:0 0 8px}
.service p{font-size:15px;color:var(--muted);margin:0}

/* ---------- с чего начать ---------- */
.start{background:var(--white)}
.start__grid{display:grid;gap:30px;align-items:center}
.start__media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.steps2{display:grid;gap:18px;margin:24px 0}
.step2{background:var(--cream);border:1px solid var(--mist);border-radius:var(--radius-sm);padding:22px}
.step2 h3{font-size:18px;color:var(--ink);margin:0 0 8px;display:flex;gap:10px;align-items:baseline}
.step2 h3 span{font-family:"Unbounded";color:var(--violet);font-size:15px}
.step2 p{margin:0;color:var(--muted);font-size:15.5px}

/* ---------- почему ---------- */
.why{background:var(--indigo);color:#fff}
.why__grid{display:grid;gap:18px}
.proof{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:26px 22px}
.proof .num{font-family:"Unbounded";font-size:30px;color:var(--blue);display:block;margin-bottom:8px}
.proof p{margin:0;color:#d9d4ef;font-size:15.5px}

/* ---------- кейсы ---------- */
.cases{background:var(--cream)}
.cases__grid{display:grid;gap:16px}
.case{background:var(--white);border-radius:var(--radius-sm);padding:26px 22px;box-shadow:var(--shadow-sm);border-top:3px solid var(--violet)}
.case .sum{font-family:"Unbounded";font-size:26px;color:var(--ink);display:block;margin-bottom:10px}
.case p{margin:0;color:var(--muted);font-size:15.5px}
.case .accent-serif{color:var(--indigo)}

/* ---------- команда ---------- */
.team{background:var(--white)}
.team__grid{display:grid;gap:20px}
.member{background:var(--cream);border:1px solid var(--mist);border-radius:var(--radius);overflow:hidden}
.member img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center top;background:#fff}
.member__body{padding:22px}
.member__body h3{font-size:20px;color:var(--ink);margin:0 0 4px}
.member__role{color:var(--violet);font-weight:600;font-size:14px;margin:0 0 12px}
.member__body p{margin:0;color:var(--muted);font-size:15px}

/* ---------- переход ---------- */
.move{background:var(--ink);color:#fff}
.move__head{max-width:680px;margin-bottom:34px}
.move__head h2{font-size:clamp(24px,5vw,34px);margin:0 0 14px}
.move__head p{color:#cfcae6;margin:0}
.steps3{display:grid;gap:18px;counter-reset:s}
.step3{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:26px 22px 24px}
.step3::before{counter-increment:s;content:counter(s);font-family:"Unbounded";font-size:15px;color:#fff;
  width:34px;height:34px;border-radius:50%;background:var(--violet);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step3 p{margin:0;color:#d9d4ef;font-size:15.5px}
.move__note{margin-top:24px;font-size:15px;color:var(--blue)}

/* ---------- отзывы ---------- */
.reviews{background:var(--cream)}
.reviews__grid{display:grid;gap:16px}
.review{background:var(--white);border:1px solid var(--mist);border-radius:var(--radius-sm);padding:14px;box-shadow:var(--shadow-sm)}
.review img{width:100%;border-radius:8px}

/* ---------- форма ---------- */
.lead{background:
   radial-gradient(80% 120% at 0% 0%, rgba(123,85,217,.16), transparent 55%),
   var(--white)}
.lead__grid{display:grid;gap:30px;align-items:center}
.lead__intro h2{font-size:clamp(24px,5vw,36px);color:var(--ink);margin:0 0 16px}
.lead__intro p{color:var(--muted);margin:0 0 14px}
.lead__intro ul{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.lead__intro li{padding-left:28px;position:relative;font-size:15.5px}
.lead__intro li::before{content:"✓";position:absolute;left:0;color:var(--violet);font-weight:700}
.form{background:var(--white);border:1px solid var(--mist);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow)}
.form h3{font-size:20px;color:var(--ink);margin:0 0 18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field select{width:100%;padding:13px 14px;border:1.5px solid var(--mist);border-radius:12px;
  font-family:inherit;font-size:15.5px;color:var(--text);background:var(--white);transition:border-color .15s}
.field input:focus,.field select:focus{outline:none;border-color:var(--violet)}
.consent{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;font-size:13px;color:var(--muted)}
.consent input{margin-top:3px;width:16px;height:16px;flex:0 0 auto;accent-color:var(--violet)}
.consent a{color:var(--violet);text-decoration:underline}
.form__note{font-size:13px;color:var(--muted);text-align:center;margin:14px 0 0}
.form__ok{display:none;text-align:center;padding:20px 6px}
.form__ok h3{color:var(--ink)}
.form__ok p{color:var(--muted);margin:6px 0 0}
.form.sent .form__body{display:none}
.form.sent .form__ok{display:block}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:#cfcae6;padding:52px 0 30px}
.footer__grid{display:grid;gap:30px}
.footer__logo img{height:34px;margin-bottom:16px}
.footer__col h4{color:#fff;font-family:"Fira Sans";font-size:14px;text-transform:uppercase;letter-spacing:.06em;margin:0 0 14px}
.footer__col a,.footer__col p{display:block;color:#cfcae6;font-size:15px;margin:0 0 10px}
.footer__col a:hover{color:#fff}
.footer__legal{font-size:13px;color:#8b86a6;line-height:1.7}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:22px;
  display:flex;flex-direction:column;gap:8px;font-size:13px;color:#8b86a6}
.footer__bottom a{color:#aaa6c2;text-decoration:underline}

/* ---------- reveal anim ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ============ TABLET ============ */
@media(min-width:680px){
  .fit{grid-template-columns:1fr 1fr}
  .services__grid{grid-template-columns:1fr 1fr}
  .why__grid{grid-template-columns:1fr 1fr}
  .cases__grid{grid-template-columns:1fr 1fr}
  .team__grid{grid-template-columns:1fr 1fr}
  .steps3{grid-template-columns:1fr 1fr 1fr}
  .reviews__grid{grid-template-columns:1fr 1fr 1fr}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr}
  .hero__actions{flex-direction:row}
  .recognize{grid-template-columns:1fr 1fr}
  .benefits__grid{grid-template-columns:1fr 1fr}
}

/* ============ DESKTOP ============ */
@media(min-width:980px){
  .section{padding:84px 0}
  .nav{display:flex;gap:26px}
  .nav a{font-size:14.5px;font-weight:500;color:var(--ink);opacity:.8;transition:opacity .15s}
  .nav a:hover{opacity:1;color:var(--violet)}
  .header__cta{display:inline-flex}
  .header__cta-mob{display:none}
  .burger{display:none}
  .mobile-menu{display:none}
  .benefits__grid{grid-template-columns:repeat(3,1fr);padding:30px 0}
  .hero__grid{grid-template-columns:1.05fr .95fr;align-items:center;padding:56px 0 76px}
  .pain__grid{grid-template-columns:1fr 1fr}
  .pain__media{order:2}
  .services__grid{grid-template-columns:1fr 1fr 1fr}
  .start__grid{grid-template-columns:.9fr 1.1fr}
  .why__grid{grid-template-columns:repeat(3,1fr)}
  .cases__grid{grid-template-columns:1fr 1fr}
  .team__grid{grid-template-columns:1fr 1fr}
  .lead__grid{grid-template-columns:1fr 1fr}
}
@media(min-width:1180px){
  .why__grid{grid-template-columns:repeat(3,1fr)}
}