/* ======================================================================
   «Высокие стандарты» — прототип лендинга
   Палитра: синий #1b6fc4 / оранжевый #f26419 (из фирменного стиля клиента)
   ====================================================================== */

:root{
  --blue:#1b6fc4;
  --blue-dark:#0f4f91;
  --blue-deep:#0b3a6b;
  --orange:#f26419;
  --orange-dark:#d9530e;
  --ink:#1b2430;
  --ink-soft:#4a5668;
  --muted:#7b8697;
  --line:#e6eaf0;
  --bg:#ffffff;
  --bg-tint:#f4f7fb;
  --dark:#111827;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 40px rgba(16,42,75,.10);
  --shadow-sm:0 6px 20px rgba(16,42,75,.08);
  --maxw:1180px;
  --font:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --display:'Montserrat',var(--font);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-family:var(--display);line-height:1.1;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font);font-weight:700;font-size:16px;
  padding:14px 26px;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--accent{background:var(--orange);color:#fff;box-shadow:0 8px 22px rgba(242,100,25,.35)}
.btn--accent:hover{background:var(--orange-dark)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn--ghost:hover{background:rgba(255,255,255,.14)}
.btn--sm{padding:10px 18px;font-size:14px}
.btn--lg{padding:17px 34px;font-size:17px}
.btn--block{width:100%}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header__inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px}
.logo__text{font-family:var(--display);font-weight:700;font-size:15px;line-height:1.05;color:var(--blue)}
.logo__text b{color:var(--blue);font-weight:900}
.logo--light .logo__text{color:#fff}
.nav{display:flex;gap:26px;margin-left:12px}
.nav a{font-weight:600;font-size:15px;color:var(--ink-soft);transition:color .15s}
.nav a:hover{color:var(--blue)}
.header__cta{margin-left:auto;display:flex;align-items:center;gap:18px}
.header__phone{font-weight:800;font-size:17px;color:var(--ink)}
.header__phone:hover{color:var(--blue)}

.burger{display:none;margin-left:auto;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px}
.burger span{display:block;height:3px;border-radius:3px;background:var(--ink);transition:.25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff}
.hero__bg{
  position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(115deg,rgba(11,58,107,.94) 0%,rgba(15,79,145,.80) 45%,rgba(15,79,145,.40) 100%),
    url('img/2026_08_8-1.jpg') center/cover no-repeat,
    linear-gradient(115deg,var(--blue-deep),var(--blue));
}
.hero__inner{position:relative;z-index:1;padding:92px 20px 104px}
.hero__content{max-width:680px}
.hero__kicker{text-transform:uppercase;letter-spacing:.14em;font-size:13px;font-weight:700;color:#cfe2f7;margin-bottom:18px}
.hero__title{font-size:clamp(38px,6vw,68px);font-weight:900;text-transform:uppercase}
.accent-underline{position:relative;color:#fff}
.accent-underline::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.16em;background:var(--orange);border-radius:4px;z-index:-1}
.hero__lead{font-size:clamp(17px,2.2vw,21px);color:#e4eefb;margin:22px 0 34px;max-width:560px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__facts{display:flex;gap:34px;margin-top:46px;flex-wrap:wrap}
.hero__facts li{display:flex;flex-direction:column}
.hero__facts b{font-family:var(--display);font-size:30px;font-weight:800;color:#fff}
.hero__facts span{font-size:14px;color:#bcd4ef}

/* ---------- Advantages ---------- */
.advantages{margin-top:-56px;position:relative;z-index:5}
.advantages__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv-card{background:#fff;border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow)}
.adv-card__icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:24px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));margin-bottom:16px}
.adv-card h3{font-size:18px;margin-bottom:8px}
.adv-card p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- Section base ---------- */
.section{padding:84px 0}
.section--tint{background:var(--bg-tint)}
.section__head{max-width:720px;margin:0 auto 46px;text-align:center}
.section__kicker{text-transform:uppercase;letter-spacing:.14em;font-size:13px;font-weight:800;color:var(--orange);margin-bottom:12px}
.section__title{font-size:clamp(28px,4vw,42px);font-weight:800}
.section__sub{margin-top:14px;color:var(--ink-soft);font-size:17px}

/* ---------- Services ---------- */
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .18s ease,box-shadow .2s ease}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.svc-card--wide{grid-column:span 1;background:linear-gradient(135deg,var(--blue-dark),var(--blue));color:#fff;border:0}
.svc-card--wide p{color:#dcebfb}
.svc-card h3{font-size:20px;margin-bottom:10px}
.svc-card p{color:var(--ink-soft);font-size:15px}

/* ---------- Calculator ---------- */
.calc{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.calc__form{padding:36px}
.calc__field{margin-bottom:26px}
.calc__field > label{display:block;font-weight:700;margin-bottom:12px}
.calc__field > label b{color:var(--blue)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{font-family:var(--font);font-weight:600;font-size:14.5px;padding:10px 18px;border-radius:999px;border:2px solid var(--line);background:#fff;color:var(--ink-soft);cursor:pointer;transition:.15s}
.chip:hover{border-color:var(--blue)}
.chip.is-active{background:var(--blue);border-color:var(--blue);color:#fff}
input[type=range]{width:100%;accent-color:var(--orange);height:6px}
.calc__check{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink-soft);cursor:pointer}
.calc__check input{width:18px;height:18px;accent-color:var(--orange)}
.calc__result{background:linear-gradient(160deg,var(--blue-deep),var(--blue-dark));color:#fff;padding:36px;display:flex;flex-direction:column;justify-content:center}
.calc__result-label{color:#bcd4ef;font-size:14px;text-transform:uppercase;letter-spacing:.08em}
.calc__price{font-family:var(--display);font-size:clamp(34px,5vw,48px);font-weight:800;margin:8px 0 4px}
.calc__note{color:#d9e7f8;font-weight:600}
.calc__disclaimer{font-size:13px;color:#a9c6e8;margin:16px 0 22px}

/* ---------- Prices ---------- */
.prices__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:60px}
.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center;transition:transform .18s ease}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.price-card h3{font-size:17px;margin-bottom:14px}
.price-card__value{font-family:var(--display);font-size:22px;font-weight:800;color:var(--blue);margin-bottom:12px}
.price-card__value span{font-size:14px;color:var(--muted);font-weight:600}
.price-card p{font-size:13.5px;color:var(--ink-soft)}
.price-card--featured{border:2px solid var(--orange);box-shadow:0 14px 36px rgba(242,100,25,.16)}
.price-card__badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px;white-space:nowrap}
.price-card--dark{background:linear-gradient(145deg,var(--ink),#2a3647);color:#fff;border:0}
.price-card--dark .price-card__value{color:#fff}
.price-card--dark p{color:#c4ccd8}

.prices__subtitle{text-align:center;font-size:24px;margin-bottom:26px}
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.price-table{width:100%;border-collapse:collapse;background:#fff;min-width:560px}
.price-table th{background:var(--blue-dark);color:#fff;font-family:var(--font);font-weight:700;text-align:left;padding:16px 20px;font-size:14px}
.price-table td{padding:15px 20px;border-bottom:1px solid var(--line);font-size:15px}
.price-table tbody tr:hover{background:var(--bg-tint)}
.price-table tbody tr:last-child td{border-bottom:0}

/* ---------- Before/After ---------- */
.ba{position:relative;width:100%;max-width:920px;margin:0 auto 46px;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);user-select:none}
.ba__img{position:absolute;inset:0;background-size:cover;background-position:center}
.ba__img--after{background-image:url('img/2026_08_3-1.jpg')}
.ba__img--before{width:50%;overflow:hidden;background-image:url('img/2026_08_11.jpg');border-right:3px solid #fff}
.ba__tag{position:absolute;top:14px;left:14px;background:rgba(17,24,39,.72);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;z-index:3}
.ba__tag--after{left:auto;right:14px}
.ba__range{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:4}
.ba__handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;transform:translateX(-50%);z-index:2;pointer-events:none}
.ba__handle::after{content:"⇄";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;border-radius:50%;background:#fff;color:var(--blue-dark);display:grid;place-items:center;font-size:18px;font-weight:700;box-shadow:0 4px 14px rgba(0,0,0,.25)}

.portfolio__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pf-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s ease}
.pf-card:hover{transform:translateY(-4px)}
.pf-card__img{aspect-ratio:4/3;background-size:cover;background-position:center;background-color:var(--blue-dark)}
.pf-card__img[data-img="1"]{background-image:url('img/2026_08_6-1.jpg')}
.pf-card__img[data-img="2"]{background-image:url('img/2026_08_9.jpg')}
.pf-card__img[data-img="3"]{background-image:url('img/2026_08_4-1.jpg')}
.pf-card__img[data-img="4"]{background-image:url('img/2026_08_7-1.jpg')}
.pf-card__body{padding:18px 20px}
.pf-card__body h3{font-size:16px;margin-bottom:10px}
.pf-card__meta{display:flex;flex-wrap:wrap;gap:8px}
.pf-card__meta li{font-size:12.5px;font-weight:600;color:var(--blue-dark);background:var(--bg-tint);padding:4px 10px;border-radius:999px}
.portfolio__note{text-align:center;color:var(--muted);font-size:14px;margin-top:26px}

/* ---------- Stages ---------- */
.stages{counter-reset:s;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.stage{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 22px}
.stage__num{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--orange-dark));color:#fff;font-family:var(--display);font-weight:800;font-size:20px;margin-bottom:16px}
.stage h3{font-size:17px;margin-bottom:8px}
.stage p{font-size:14px;color:var(--ink-soft)}

/* ---------- Team ---------- */
.team__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.team-card{background:#fff;border-radius:var(--radius);padding:30px 20px;text-align:center;box-shadow:var(--shadow-sm)}
.team-card__ph{width:92px;height:92px;border-radius:50%;margin:0 auto 16px;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:28px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-dark))}
.team-card h3{font-size:17px;margin-bottom:4px}
.team-card p{color:var(--orange);font-weight:700;font-size:14px}

/* ---------- Reviews ---------- */
.reviews__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.review__stars{color:#f5a623;font-size:18px;letter-spacing:2px;margin-bottom:14px}
.review p{color:var(--ink-soft);font-size:15.5px}
.review footer{margin-top:16px;font-weight:700}

/* ---------- Lead ---------- */
.lead{background:linear-gradient(135deg,var(--blue-deep),var(--blue-dark));color:#fff;padding:84px 0}
.lead__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.lead__text h2{font-size:clamp(28px,4vw,40px);margin-bottom:18px}
.lead__text p{color:#d9e7f8;font-size:17px;margin-bottom:24px}
.lead__list li{padding:8px 0;font-size:16px;color:#eaf3fd}
.lead__form{background:#fff;color:var(--ink);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.lead__form h3{font-size:22px;margin-bottom:20px}
.lead__form label{display:block;font-weight:700;font-size:14px;margin-bottom:16px}
.lead__form input{width:100%;margin-top:7px;padding:14px 16px;border:2px solid var(--line);border-radius:var(--radius-sm);font-family:var(--font);font-size:15px;transition:border-color .15s}
.lead__form input:focus{outline:none;border-color:var(--blue)}
.lead__policy{font-size:12px;color:var(--muted);margin-top:14px;text-align:center}
.lead__ok{margin-top:16px;padding:14px;background:#e9f9ee;color:#1a7f3c;border-radius:var(--radius-sm);font-weight:700;text-align:center}

/* ---------- Footer ---------- */
.footer{background:var(--dark);color:#cbd3df;padding:60px 0 24px}
.footer__inner{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer__col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer__tagline{margin:16px 0;max-width:320px;font-size:15px}
.footer__messengers{display:flex;gap:16px}
.footer__messengers a{color:#7fb3ec;font-weight:600;font-size:14px}
.footer__messengers a:hover{color:#fff}
.footer__phone{display:block;color:#fff;font-weight:800;font-size:20px;margin-bottom:8px}
.footer__phone:hover{color:#7fb3ec}
.footer__col p{font-size:14px;margin:6px 0}
.footer__districts{line-height:1.9}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;margin-top:44px;padding-top:22px;border-top:1px solid #273142;font-size:13px;color:#8995a8}
.footer__proto{color:var(--orange);font-weight:700}

/* ---------- FAB ---------- */
.fab{position:fixed;right:20px;bottom:20px;z-index:40;background:var(--orange);color:#fff;font-weight:800;padding:16px 24px;border-radius:999px;box-shadow:0 10px 28px rgba(242,100,25,.45);display:none}
.fab:hover{background:var(--orange-dark)}

/* ======================================================================
   Responsive
   ====================================================================== */
@media (max-width:1024px){
  .advantages__grid{grid-template-columns:repeat(2,1fr)}
  .services__grid{grid-template-columns:repeat(2,1fr)}
  .prices__grid{grid-template-columns:repeat(3,1fr)}
  .portfolio__grid{grid-template-columns:repeat(2,1fr)}
  .stages{grid-template-columns:repeat(3,1fr)}
  .team__grid{grid-template-columns:repeat(2,1fr)}
  .reviews__grid{grid-template-columns:1fr}
  .reviews__grid .review:nth-child(n+2){display:none}
}
@media (max-width:860px){
  .nav,.header__cta{display:none}
  .nav.is-open{
    display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;
    background:#fff;padding:18px 20px;gap:4px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);
  }
  .nav.is-open a{padding:12px 4px;border-bottom:1px solid var(--line)}
  .burger{display:flex}
  .calc{grid-template-columns:1fr}
  .lead__inner{grid-template-columns:1fr;gap:28px}
  .footer__inner{grid-template-columns:1fr;gap:28px}
  .fab{display:inline-flex}
  .section{padding:60px 0}
}
@media (max-width:620px){
  .advantages{margin-top:-30px}
  .advantages__grid,.services__grid,.prices__grid,.stages,.team__grid{grid-template-columns:1fr}
  .portfolio__grid{grid-template-columns:1fr}
  .hero__inner{padding:64px 20px 72px}
  .hero__facts{gap:24px}
  .footer__bottom{flex-direction:column;gap:8px;text-align:center}
}