/* Best2Pay — «Светлый и воздушный». Палитра: #0a2540 / #1656e0 / #19c2c2 */
:root{
  --navy:#0a2540; --blue:#1656e0; --blue-dark:#0e3ea8; --teal:#19c2c2;
  --bg:#f6f9fd; --bg-soft:#eef4fd; --teal-soft:#e2f7f7; --blue-soft:#e8effc;
  --white:#fff; --text:#33475b; --muted:#6b7c93; --line:#dde6f2;
  --radius:16px; --radius-sm:10px;
  --shadow:0 6px 24px rgba(10,37,64,.07); --shadow-lg:0 14px 40px rgba(10,37,64,.10);
  --font-body:'Onest',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-display:'Unbounded',var(--font-body);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--font-body);font-size:17px;line-height:1.65;color:var(--text);background:var(--white)}
img,svg{max-width:100%;height:auto;vertical-align:middle}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dark)}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--navy);line-height:1.22;margin:0 0 .55em;font-weight:600}
h1{font-size:clamp(1.9rem,4.2vw,3rem);letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,3vw,2.1rem)}
h3{font-size:1.18rem}
h4{font-size:1rem}
p{margin:0 0 1em}
.container{max-width:var(--container);margin:0 auto;padding:0 22px}
.section{padding:76px 0}
.section--soft{background:var(--bg)}
.section__head{max-width:720px;margin-bottom:44px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font:600 .78rem/1 var(--font-body);letter-spacing:.12em;text-transform:uppercase;color:var(--blue);background:var(--blue-soft);border-radius:100px;padding:8px 14px;margin-bottom:16px}
.eyebrow--teal{color:#0d8f8f;background:var(--teal-soft)}
.lead{font-size:1.14rem;color:var(--muted)}

/* Кнопки */
.btn{display:inline-flex;align-items:center;gap:9px;font:600 1rem/1 var(--font-body);border-radius:12px;padding:15px 26px;border:2px solid transparent;cursor:pointer;transition:.18s}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-dark);color:#fff;box-shadow:0 8px 20px rgba(22,86,224,.28);transform:translateY(-1px)}
.btn--ghost{border-color:var(--line);color:var(--navy);background:#fff}
.btn--ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn--teal{background:var(--teal);color:#043b3b}
.btn--teal:hover{filter:brightness(1.06)}
.btn--lg{padding:18px 32px;font-size:1.06rem}

/* Шапка */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;gap:34px;min-height:76px}
.header__logo img{height:34px;width:auto}
.nav{display:flex;gap:26px;margin-right:auto}
.nav a{color:var(--navy);font-weight:500;font-size:.98rem}
.nav a:hover{color:var(--blue)}
.header__phone{font-weight:600;color:var(--navy);white-space:nowrap}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.burger span{display:block;height:2px;margin:5px 8px;background:var(--navy);border-radius:2px;transition:.2s}

/* Герой */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--bg) 0%,var(--bg-soft) 55%,#e6f6f8 100%);padding:92px 0 86px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none}
.hero::before{width:440px;height:440px;right:-120px;top:-140px;background:rgba(22,86,224,.16)}
.hero::after{width:380px;height:380px;left:-140px;bottom:-180px;background:rgba(25,194,194,.18)}
.hero__inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1 span{color:var(--blue)}
.hero .lead{font-size:1.2rem;margin-bottom:30px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero__facts{display:flex;flex-wrap:wrap;gap:12px 28px;color:var(--muted);font-size:.94rem}
.hero__facts b{color:var(--navy);font-size:1.05rem}
.hero__card{background:#fff;border-radius:22px;box-shadow:var(--shadow-lg);padding:30px;border:1px solid var(--line)}
.hero__card .row{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px dashed var(--line);font-size:.97rem}
.hero__card .row:last-child{border-bottom:0}
.hero__card .val{font-weight:700;color:var(--navy)}
.hero__card .val--teal{color:#0d8f8f}
.badge-ok{display:inline-flex;align-items:center;gap:7px;background:var(--teal-soft);color:#0d8f8f;font-weight:600;font-size:.85rem;border-radius:100px;padding:7px 13px}

/* Сетки карточек */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.2s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#c8d9f4}
.card h3 a{color:var(--navy)}
.card h3 a:hover{color:var(--blue)}
.card p{color:var(--muted);font-size:.96rem;margin-bottom:0}
.card__more{margin-top:auto;padding-top:16px;font-weight:600;font-size:.94rem}
.iconwrap{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--blue-soft);margin-bottom:18px;flex:none}
.iconwrap svg{width:26px;height:26px;stroke:var(--blue)}
.card:nth-child(even) .iconwrap{background:var(--teal-soft)}
.card:nth-child(even) .iconwrap svg{stroke:#0d9a9a}
.section--soft .card{border-color:transparent;box-shadow:var(--shadow)}

/* Шаги */
.steps{counter-reset:s}
.step{position:relative;padding-left:0}
.step__num{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;font:600 1.05rem/44px var(--font-display);text-align:center;margin-bottom:16px}
.step:nth-child(even) .step__num{background:var(--blue)}

/* CTA-блок */
.cta{background:linear-gradient(135deg,var(--navy) 0%,#123566 60%,#0f4bb8 100%);border-radius:24px;color:#fff;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;width:340px;height:340px;right:-90px;bottom:-160px;border-radius:50%;background:rgba(25,194,194,.25);filter:blur(60px)}
.cta h2{color:#fff}
.cta p{color:#c6d6ee;max-width:520px;margin-bottom:0}
.cta .btn{position:relative;z-index:1}

/* Формы */
.form{display:grid;gap:14px;max-width:520px}
.form input,.form textarea{font:inherit;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--navy);width:100%}
.form input:focus,.form textarea:focus{border-color:var(--blue);outline:none}
.form .agree{font-size:.83rem;color:var(--muted);display:flex;gap:9px;align-items:flex-start}
.form .hp{position:absolute;left:-9999px;opacity:0}
.form__msg{font-weight:600}
.form__msg--ok{color:#0d8f8f}.form__msg--err{color:#c0392b}

/* Калькулятор */
.calc{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:36px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px}
.calc label{font-weight:600;color:var(--navy);font-size:.94rem;display:block;margin-bottom:8px}
.calc input[type=range]{width:100%;accent-color:var(--blue)}
.calc__methods{display:flex;gap:10px;margin:18px 0}
.calc__methods button{flex:1;padding:12px;border:1.5px solid var(--line);background:#fff;border-radius:12px;font:600 .95rem var(--font-body);color:var(--navy);cursor:pointer}
.calc__methods button.is-active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}
.calc__result{background:var(--bg);border-radius:16px;padding:28px;text-align:center;align-self:center}
.calc__fee{font:600 2.4rem var(--font-display);color:var(--blue)}
.calc__note{font-size:.85rem;color:var(--muted)}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:0 22px}
.faq summary{cursor:pointer;font-weight:600;color:var(--navy);padding:18px 30px 18px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:14px;font:400 1.5rem var(--font-display);color:var(--blue)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted)}

/* Хлебные крошки */
.crumbs{font-size:.85rem;color:var(--muted);padding:18px 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--blue)}
.crumbs span[aria-current]{color:var(--navy)}

/* Статья */
.article-hero{background:linear-gradient(150deg,var(--bg),var(--bg-soft));padding:44px 0 40px}
.article-hero .meta{display:flex;gap:16px;align-items:center;color:var(--muted);font-size:.88rem;margin-top:14px}
.article-hero .cat{background:var(--teal-soft);color:#0d8f8f;font-weight:600;border-radius:100px;padding:6px 13px;font-size:.8rem}
.prose{max-width:760px;margin:0 auto}
.prose h2{margin-top:1.9em;padding-top:.2em}
.prose h3{margin-top:1.5em}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.1em}
.prose li{margin-bottom:.45em}
.prose li::marker{color:var(--blue)}
.prose table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:.94rem}
.prose th{background:var(--navy);color:#fff;text-align:left;padding:11px 14px;font-weight:600}
.prose td{border:1px solid var(--line);padding:10px 14px}
.prose tr:nth-child(even) td{background:var(--bg)}
.prose blockquote{margin:1.4em 0;padding:18px 22px;border-left:4px solid var(--teal);background:var(--teal-soft);border-radius:0 12px 12px 0;color:var(--navy)}
.prose .tip{background:var(--blue-soft);border-radius:12px;padding:18px 22px;margin:1.4em 0}
.article-cta{background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:30px;margin:44px auto;max-width:760px;display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.article-cta h3{margin:0 0 6px}
.article-cta p{margin:0;color:var(--muted);font-size:.94rem}

/* Блог-хаб */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.chips a{border:1.5px solid var(--line);border-radius:100px;padding:9px 17px;font-weight:600;font-size:.9rem;color:var(--navy);background:#fff}
.chips a:hover{border-color:var(--blue);color:var(--blue)}
.chips a.is-active{background:var(--navy);border-color:var(--navy);color:#fff}
.postcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.postcard:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.postcard .cat{align-self:flex-start;background:var(--blue-soft);color:var(--blue);font-weight:600;font-size:.76rem;border-radius:100px;padding:6px 12px;margin-bottom:14px}
.postcard h3{font-size:1.05rem;line-height:1.35}
.postcard p{color:var(--muted);font-size:.92rem;flex:1}
.postcard time{color:var(--muted);font-size:.82rem}

/* Отзывы, клиенты */
.review{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:30px}
.review__stars{color:#f5a623;letter-spacing:2px;margin-bottom:12px}
.review__author{font-weight:600;color:var(--navy);margin-top:16px}
.review__role{font-size:.85rem;color:var(--muted)}
.clients{display:flex;flex-wrap:wrap;gap:14px}
.clients span{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 24px;font-weight:600;color:var(--muted)}

/* Таблица тарифов */
.tariff{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;position:relative}
.tariff--hot{border-color:var(--blue);box-shadow:var(--shadow-lg)}
.tariff__tag{position:absolute;top:-13px;left:30px;background:var(--teal);color:#043b3b;font-weight:700;font-size:.78rem;border-radius:100px;padding:6px 14px}
.tariff__price{font:600 2rem var(--font-display);color:var(--blue);margin:10px 0 4px}
.tariff ul{list-style:none;padding:0;margin:18px 0 24px}
.tariff li{padding:8px 0 8px 28px;position:relative;font-size:.95rem}
.tariff li::before{content:"";position:absolute;left:0;top:13px;width:16px;height:9px;border-left:2.5px solid var(--teal);border-bottom:2.5px solid var(--teal);transform:rotate(-45deg)}

/* Подвал */
.footer{background:var(--navy);color:#9fb3cd;margin-top:90px}
.footer a{color:#c6d6ee}
.footer a:hover{color:#fff}
.footer__top{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;padding:60px 0 44px}
.footer__logo img{height:32px;margin-bottom:18px}
.footer h4{color:#fff;font-size:.92rem;margin-bottom:16px}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin-bottom:9px;font-size:.93rem}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:.82rem;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* Адаптив */
@media(max-width:1020px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .hero__inner{grid-template-columns:1fr}
  .hero__card{max-width:520px}
  .calc{grid-template-columns:1fr}
  .footer__top{grid-template-columns:repeat(2,1fr)}
  .cta{flex-direction:column;align-items:flex-start;padding:40px}
}
@media(max-width:700px){
  .section{padding:54px 0}
  .grid--3,.grid--2,.grid--4{grid-template-columns:1fr}
  .nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;padding:20px 22px;border-bottom:1px solid var(--line);gap:16px}
  .nav.is-open{display:flex}
  .burger{display:block}
  .header__phone{display:none}
  .hero{padding:56px 0}
}