/* ==========================================================================
   pf-nakrut — design system 2026
   Единый CSS. Без Bootstrap, без Font Awesome, без jQuery-плагинов.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  --brand-900:#061428;
  --brand-800:#0a1e3a;
  --brand-700:#0e2c53;
  --brand-600:#12437c;
  --brand-500:#0b63ce;
  --brand-400:#2f86f0;
  --brand-300:#7fb4f7;
  --brand-100:#e3efff;
  --brand-50:#f2f7ff;

  --teal-600:#00918f;
  --teal-500:#00b0ae;
  --teal-400:#2ad3cf;
  --teal-50:#e6faf9;

  --amber-500:#ff8a00;
  --amber-50:#fff4e6;

  --green-500:#16a34a;
  --red-500:#e5484d;

  --ink-900:#0b1524;
  --ink-800:#16233a;
  --ink-700:#33415c;
  --ink-600:#5a6b87;
  --ink-500:#8494ad;
  --ink-300:#c3ccdb;
  --ink-200:#e2e8f0;
  --ink-100:#eef2f7;
  --ink-50:#f7f9fc;
  --white:#fff;

  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --radius-pill:999px;

  --shadow-xs:0 1px 2px rgba(11,21,36,.06);
  --shadow-sm:0 2px 8px rgba(11,21,36,.06),0 1px 2px rgba(11,21,36,.04);
  --shadow:0 8px 28px rgba(11,21,36,.08),0 2px 6px rgba(11,21,36,.04);
  --shadow-lg:0 24px 60px rgba(11,21,36,.14),0 6px 16px rgba(11,21,36,.06);
  --shadow-brand:0 14px 34px rgba(11,99,206,.28);

  --container:1220px;
  --gap:24px;

  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:72px;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.65;
  color:var(--ink-700);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-400)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{padding-left:1.25em}
figure{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid var(--brand-400);outline-offset:2px;border-radius:4px}

h1,h2,h3,h4{
  color:var(--ink-900);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
  margin:0 0 .5em;
  text-wrap:balance;
}
h1{font-size:clamp(30px,4.6vw,54px);letter-spacing:-.03em}
h2{font-size:clamp(26px,3.4vw,40px)}
h3{font-size:clamp(19px,2vw,23px);font-weight:700}
h4{font-size:18px;font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
strong,b{color:var(--ink-900);font-weight:700}

/* ---------- 3. Layout ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:clamp(56px,7vw,104px) 0}
.section--tight{padding:clamp(40px,5vw,72px) 0}
.section--alt{background:var(--ink-50)}
.section--brand{background:linear-gradient(180deg,var(--brand-50),#fff)}
.section-head{max-width:760px;margin:0 auto clamp(32px,4vw,56px);text-align:center}
.section-head p{color:var(--ink-600);font-size:clamp(16px,1.6vw,19px);margin:0}
.grid{display:grid;gap:var(--gap)}
.grid>*{min-width:0}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1024px){.g-4{grid-template-columns:repeat(2,1fr)}.g-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.g-4,.g-3,.g-2{grid-template-columns:1fr}}

/* ---------- 4. Eyebrow / badges ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand-500);background:var(--brand-50);
  border:1px solid var(--brand-100);
  padding:7px 14px;border-radius:var(--radius-pill);margin-bottom:18px;
}
.eyebrow--light{color:var(--teal-400);background:rgba(42,211,207,.1);border-color:rgba(42,211,207,.25)}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px rgba(11,99,206,.15)}

/* ---------- 5. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:var(--radius-pill);
  font-weight:700;font-size:16px;line-height:1;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
  text-align:center;white-space:nowrap;
}
.btn svg{width:20px;height:20px;flex:none}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:linear-gradient(135deg,var(--brand-500),var(--brand-400));color:#fff;box-shadow:var(--shadow-brand)}
.btn--primary:hover{color:#fff;box-shadow:0 18px 40px rgba(11,99,206,.36)}
.btn--tg{background:linear-gradient(135deg,#2aabee,#229ed9);color:#fff;box-shadow:0 14px 34px rgba(34,158,217,.32)}
.btn--tg:hover{color:#fff;box-shadow:0 18px 40px rgba(34,158,217,.42)}
.btn--ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.24);backdrop-filter:blur(6px)}
.btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn--outline{background:#fff;color:var(--brand-500);border:1.5px solid var(--brand-100);box-shadow:var(--shadow-xs)}
.btn--outline:hover{border-color:var(--brand-400);color:var(--brand-500);box-shadow:var(--shadow-sm)}
.btn--lg{padding:18px 36px;font-size:17px}
.btn--block{width:100%;white-space:normal;line-height:1.25}

/* ---------- 6. Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--ink-100);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-stuck{box-shadow:var(--shadow-sm)}
.site-header__inner{display:flex;align-items:center;gap:28px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink-900);letter-spacing:-.02em;flex:none}
.logo:hover{color:var(--ink-900)}
.logo__mark{
  width:36px;height:36px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--brand-500),var(--teal-500));
  display:grid;place-items:center;color:#fff;box-shadow:0 6px 16px rgba(11,99,206,.3)
}
.logo__mark svg{width:20px;height:20px}
.logo b{color:var(--brand-500)}

.nav{display:flex;gap:4px;margin-left:auto}
.nav a{
  padding:9px 14px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:var(--ink-700);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav a:hover{background:var(--ink-100);color:var(--ink-900)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.header-actions .btn{padding:12px 22px;font-size:15px}

.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--ink-200);place-items:center;flex:none}
.burger span{display:block;width:20px;height:2px;background:var(--ink-800);border-radius:2px;position:relative;transition:.25s var(--ease)}
.burger span::before,.burger span::after{content:'';position:absolute;left:0;width:20px;height:2px;background:var(--ink-800);border-radius:2px;transition:.25s var(--ease)}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.burger.is-open span{background:transparent}
.burger.is-open span::before{top:0;transform:rotate(45deg)}
.burger.is-open span::after{top:0;transform:rotate(-45deg)}

@media(max-width:960px){
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;
    flex-direction:column;gap:2px;
    background:#fff;padding:16px 20px 24px;
    border-bottom:1px solid var(--ink-100);
    box-shadow:var(--shadow);
    transform:translateY(-140%);transition:transform .3s var(--ease);
    margin:0;
  }
  .nav.is-open{transform:translateY(0)}
  .nav a{padding:13px 12px;font-size:16px;border-radius:10px}
  .burger{display:grid}
  .header-actions .btn span{display:none}
  .header-actions .btn{padding:12px;width:44px;height:44px;border-radius:12px}
}

/* ---------- 7. Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#dbe7f7;
  background:
    radial-gradient(900px 480px at 82% 8%,rgba(0,176,174,.22),transparent 62%),
    radial-gradient(760px 520px at 8% 92%,rgba(11,99,206,.34),transparent 60%),
    linear-gradient(165deg,#071a33 0%,#0a1e3a 45%,#061428 100%);
  padding:clamp(52px,6.5vw,92px) 0 clamp(64px,7vw,100px);
}
.hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
}
.hero>*{position:relative;z-index:1}
.hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(28px,4vw,64px);align-items:center}
@media(max-width:980px){.hero__grid{grid-template-columns:1fr}}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--teal-400),var(--brand-300));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__lead{font-size:clamp(16px,1.8vw,20px);color:#a9bfdd;max-width:600px;margin-bottom:28px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}

.hero__usp{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:600px;margin-bottom:30px}
.hero__cta .btn{max-width:100%;white-space:normal;line-height:1.25;text-align:left}
@media(max-width:520px){.hero__usp{grid-template-columns:1fr}}
.usp{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:14px;
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);
  font-size:15px;font-weight:600;color:#e8f0fb;line-height:1.35;
  transition:background .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.usp:hover{background:rgba(255,255,255,.1);border-color:rgba(42,211,207,.4);transform:translateY(-2px)}
.usp__ico{
  width:38px;height:38px;border-radius:11px;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(42,211,207,.22),rgba(47,134,240,.22));
  color:var(--teal-400)
}
.usp__ico svg{width:20px;height:20px}

.hero__checks{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:0;font-size:14.5px;color:#9fb6d6}
.hero__checks li{display:flex;align-items:center;gap:8px}
.hero__checks svg{width:17px;height:17px;color:var(--teal-400);flex:none}

.hero__visual{position:relative}
.hero__card{
  border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  box-shadow:0 40px 90px rgba(0,0,0,.45);
  padding:10px;
}
.hero__card img{border-radius:16px;width:100%}
.hero__float{
  position:absolute;display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.97);color:var(--ink-900);
  padding:13px 18px;border-radius:16px;box-shadow:var(--shadow-lg);
  font-weight:700;font-size:14px;line-height:1.25;
}
.hero__float small{display:block;font-weight:500;font-size:12px;color:var(--ink-600)}
.hero__float--tl{top:-18px;left:-14px}
.hero__float--br{bottom:-20px;right:-10px}
.hero__float .dot{width:9px;height:9px;border-radius:50%;background:var(--green-500);box-shadow:0 0 0 4px rgba(22,163,74,.18);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
@media(max-width:600px){.hero__float{display:none}}

/* ---------- 8. Stats bar ---------- */
.stats{background:var(--white);border-bottom:1px solid var(--ink-100)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
@media(max-width:760px){.stats__grid{grid-template-columns:repeat(2,1fr)}}
.stat{padding:clamp(24px,3vw,38px) 20px;text-align:center;border-right:1px solid var(--ink-100)}
.stat:last-child{border-right:0}
@media(max-width:760px){
  .stat{border-bottom:1px solid var(--ink-100)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
}
.stat__num{font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:-.03em;line-height:1;
  background:linear-gradient(135deg,var(--brand-500),var(--teal-500));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat__label{margin-top:10px;font-size:14.5px;color:var(--ink-600);font-weight:500}

/* ---------- 9. Cards ---------- */
.card{
  background:#fff;border:1px solid var(--ink-200);border-radius:var(--radius-lg);
  padding:clamp(24px,3vw,34px);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-100)}
.card h3{margin-bottom:12px}
.card p{color:var(--ink-600);margin:0;font-size:16px}
.card__ico{
  width:54px;height:54px;border-radius:15px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(135deg,var(--brand-50),var(--teal-50));color:var(--brand-500);
  border:1px solid var(--brand-100);
}
.card__ico svg{width:26px;height:26px}

/* ---------- 10. Pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;align-items:stretch}
@media(max-width:1080px){.plans{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.plans{grid-template-columns:1fr}}
.plan{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1.5px solid var(--ink-200);border-radius:var(--radius-lg);
  padding:30px 26px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.plan:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand-300)}
.plan--featured{
  border-color:var(--brand-500);
  box-shadow:0 20px 48px rgba(11,99,206,.16);
  background:linear-gradient(180deg,var(--brand-50),#fff 42%);
}
.plan__tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--amber-500),#ff6b00);color:#fff;
  font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  padding:6px 16px;border-radius:var(--radius-pill);box-shadow:0 8px 18px rgba(255,138,0,.35);white-space:nowrap;
}
.plan__name{font-size:20px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em}
.plan__desc{font-size:14.5px;color:var(--ink-600);margin:10px 0 22px;line-height:1.55;flex:1}
.plan__price{font-size:34px;font-weight:800;color:var(--ink-900);letter-spacing:-.03em;line-height:1}
.plan__price small{display:block;font-size:13px;font-weight:600;color:var(--ink-500);letter-spacing:0;margin-bottom:6px;text-transform:uppercase}
.plan__price span{font-size:17px;font-weight:600;color:var(--ink-600)}
.plan__list{list-style:none;padding:0;margin:20px 0 24px;display:grid;gap:10px;font-size:14.5px}
.plan__list li{display:flex;gap:9px;align-items:flex-start;color:var(--ink-700)}
.plan__list svg{width:18px;height:18px;color:var(--teal-500);flex:none;margin-top:2px}
.plan .btn{margin-top:auto}

/* price table */
.pricetable-wrap{background:#fff;border:1px solid var(--ink-200);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.pricetable{font-size:16px}
.pricetable th,.pricetable td{padding:15px 24px;text-align:left;border-bottom:1px solid var(--ink-100)}
.pricetable thead th{background:var(--ink-50);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-600);font-weight:700}
.pricetable tbody tr{transition:background .18s var(--ease)}
.pricetable tbody tr:hover{background:var(--brand-50)}
.pricetable tbody tr:last-child td{border-bottom:0}
.pricetable td:last-child,.pricetable th:last-child{text-align:right;font-weight:800;color:var(--ink-900);white-space:nowrap}
@media(max-width:560px){.pricetable th,.pricetable td{padding:13px 16px;font-size:15px}}

/* ---------- 11. Calculator ---------- */
.calc{
  display:grid;grid-template-columns:1.15fr .85fr;gap:0;
  background:#fff;border:1px solid var(--ink-200);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
}
@media(max-width:900px){.calc{grid-template-columns:minmax(0,1fr)}}
.calc>*{min-width:0}
.calc__form{padding:clamp(26px,3.4vw,44px)}
.calc__field{margin-bottom:28px}
.calc__field:last-child{margin-bottom:0}
.calc__label{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;font-weight:700;color:var(--ink-900);font-size:16px}
.calc__value{font-size:19px;font-weight:800;color:var(--brand-500);white-space:nowrap}
.calc__hint{font-size:13.5px;color:var(--ink-500);margin-top:10px}

input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:7px;border-radius:99px;
  background:var(--ink-200);outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:26px;height:26px;border-radius:50%;
  background:#fff;border:5px solid var(--brand-500);cursor:grab;
  box-shadow:0 4px 12px rgba(11,99,206,.35);transition:transform .15s var(--ease)
}
input[type=range]::-webkit-slider-thumb:active{transform:scale(1.12);cursor:grabbing}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;border:5px solid var(--brand-500);cursor:grab;box-shadow:0 4px 12px rgba(11,99,206,.35)}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:11px 18px;border-radius:var(--radius-pill);border:1.5px solid var(--ink-200);
  background:#fff;font-size:14.5px;font-weight:600;color:var(--ink-700);
  transition:.22s var(--ease);
}
.chip:hover{border-color:var(--brand-300);color:var(--brand-500)}
.chip.is-active{background:var(--brand-500);border-color:var(--brand-500);color:#fff;box-shadow:0 8px 20px rgba(11,99,206,.28)}

.calc__result{
  padding:clamp(26px,3.4vw,44px);display:flex;flex-direction:column;justify-content:center;
  color:#dbe7f7;
  background:
    radial-gradient(600px 320px at 80% 0%,rgba(0,176,174,.24),transparent 60%),
    linear-gradient(160deg,#0a1e3a,#061428);
}
.calc__result-label{font-size:13px;letter-spacing:.09em;text-transform:uppercase;color:#8aa5c9;font-weight:700}
.calc__total{font-size:clamp(34px,4.6vw,52px);font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.05;margin:10px 0 4px}
.calc__total span{font-size:.55em;font-weight:700;color:var(--teal-400)}
.calc__sub{font-size:14.5px;color:#95afd0;margin-bottom:22px}
.calc__breakdown{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:11px;font-size:14.5px}
.calc__breakdown li{display:flex;justify-content:space-between;gap:14px;padding-bottom:11px;border-bottom:1px solid rgba(255,255,255,.1)}
.calc__breakdown li:last-child{border-bottom:0;padding-bottom:0}
.calc__breakdown b{color:#fff;font-weight:700;text-align:right}
.calc__note{font-size:12.5px;color:#7f96b7;margin-top:16px;line-height:1.5}

/* ---------- 12. Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:s}
@media(max-width:1024px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.steps{grid-template-columns:1fr}}
.step{
  position:relative;background:#fff;border:1px solid var(--ink-200);
  border-radius:var(--radius-lg);padding:30px 26px 26px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-100)}
.step__n{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  font-size:18px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-400));
  box-shadow:0 10px 22px rgba(11,99,206,.3);
}
.step h3{font-size:19px;margin-bottom:9px}
.step p{font-size:15px;color:var(--ink-600);margin:0}
.step::after{
  content:'';position:absolute;top:52px;right:-14px;width:22px;height:2px;
  background:linear-gradient(90deg,var(--brand-300),transparent);
}
.step:last-child::after{display:none}
@media(max-width:1024px){.step::after{display:none}}

/* ---------- 13. Cases / portfolio ---------- */
.cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media(max-width:900px){.cases{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.cases{grid-template-columns:1fr}}
.case{
  background:#fff;border:1px solid var(--ink-200);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--brand-300)}
.case__media{position:relative;display:block;background:var(--ink-50);overflow:hidden;aspect-ratio:16/10}
.case__media img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .5s var(--ease)}
.case:hover .case__media img{transform:scale(1.045)}
.case__zoom{
  position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(6,20,40,0),rgba(6,20,40,.55));
  opacity:0;transition:opacity .3s var(--ease);
}
.case:hover .case__zoom{opacity:1}
.case__zoom span{
  display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.95);color:var(--ink-900);
  padding:10px 18px;border-radius:var(--radius-pill);font-size:14px;font-weight:700;box-shadow:var(--shadow)
}
.case__zoom svg{width:17px;height:17px}
.case__body{padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.case__title{font-weight:700;color:var(--ink-900);font-size:16.5px;line-height:1.35}
.case__count{
  font-size:12.5px;font-weight:700;color:var(--brand-500);background:var(--brand-50);
  border:1px solid var(--brand-100);padding:5px 11px;border-radius:var(--radius-pill);white-space:nowrap;flex:none
}

/* lightbox */
.lb{position:fixed;inset:0;z-index:1000;display:none;background:rgba(4,12,24,.94);backdrop-filter:blur(6px)}
.lb.is-open{display:grid;place-items:center;animation:fade .25s var(--ease)}
@keyframes fade{from{opacity:0}to{opacity:1}}
.lb__img{max-width:min(1180px,92vw);max-height:82vh;border-radius:14px;box-shadow:0 40px 100px rgba(0,0,0,.6);object-fit:contain}
.lb__cap{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);color:#e6eefb;font-size:15px;font-weight:600;background:rgba(255,255,255,.09);padding:9px 18px;border-radius:99px;white-space:nowrap;max-width:90vw;overflow:hidden;text-overflow:ellipsis}
.lb__btn{position:absolute;width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.11);color:#fff;display:grid;place-items:center;transition:.2s var(--ease)}
.lb__btn:hover{background:rgba(255,255,255,.22)}
.lb__btn svg{width:22px;height:22px}
.lb__close{top:22px;right:22px}
.lb__prev{left:22px;top:50%;margin-top:-26px}
.lb__next{right:22px;top:50%;margin-top:-26px}
@media(max-width:600px){.lb__prev{left:10px}.lb__next{right:10px}.lb__btn{width:44px;height:44px}}

/* ---------- 14. CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#dbe7f7;border-radius:var(--radius-lg);
  padding:clamp(36px,5vw,68px) clamp(24px,4vw,64px);text-align:center;
  background:
    radial-gradient(700px 380px at 15% 0%,rgba(0,176,174,.26),transparent 62%),
    radial-gradient(700px 400px at 88% 100%,rgba(47,134,240,.32),transparent 60%),
    linear-gradient(150deg,#0a1e3a,#061428);
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(circle at 50% 50%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000,transparent 75%);
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff;max-width:760px;margin-left:auto;margin-right:auto}
.cta-band p{color:#a9bfdd;max-width:680px;margin:0 auto 28px;font-size:clamp(16px,1.7vw,18.5px)}
.cta-band__btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* free test steps */
.testflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:32px 0 30px;text-align:left}
@media(max-width:860px){.testflow{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.testflow{grid-template-columns:1fr}}
.testflow__item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:20px;transition:.25s var(--ease)
}
.testflow__item:hover{background:rgba(255,255,255,.1);border-color:rgba(42,211,207,.35);transform:translateY(-3px)}
.testflow__n{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--teal-400);margin-bottom:10px}
.testflow__item b{display:block;color:#fff;font-size:16px;margin-bottom:6px}
.testflow__item span{font-size:14px;color:#9fb6d6;line-height:1.5}

/* ---------- 15. SEO text block ---------- */
.prose{max-width:860px;margin:0 auto;font-size:17px;line-height:1.75;color:var(--ink-700)}
.prose h2{font-size:clamp(23px,2.6vw,31px);margin:2em 0 .6em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:clamp(18px,2vw,21px);margin:1.7em 0 .5em;color:var(--brand-600)}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin-bottom:.5em}
.prose li::marker{color:var(--brand-400)}
.prose p{margin-bottom:1.1em}
.readmore{position:relative;max-height:420px;overflow:hidden;transition:max-height .55s var(--ease)}
.readmore.is-open{max-height:none}
.readmore::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:190px;pointer-events:none;
  background:linear-gradient(180deg,rgba(247,249,252,0),var(--ink-50) 82%);
  transition:opacity .35s var(--ease)
}
.readmore.is-open::after{opacity:0}
.readmore-btn{display:block;margin:26px auto 0}

/* ---------- 16. FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq__item{background:#fff;border:1px solid var(--ink-200);border-radius:var(--radius);overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.faq__item:hover{border-color:var(--brand-300)}
.faq__item.is-open{border-color:var(--brand-400);box-shadow:var(--shadow-sm)}
.faq__q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.4;
}
.faq__q:hover{color:var(--brand-500)}
.faq__ico{
  width:30px;height:30px;border-radius:9px;flex:none;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-500);transition:.3s var(--ease)
}
.faq__ico svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.faq__item.is-open .faq__ico{background:var(--brand-500);color:#fff}
.faq__item.is-open .faq__ico svg{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.faq__a-inner{padding:0 24px 22px;color:var(--ink-600);font-size:16px;line-height:1.7}
.faq__a-inner p{margin:0 0 .8em}
.faq__a-inner p:last-child{margin:0}

/* ---------- 17. Segments / audience ---------- */
.segments{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:940px;margin:0 auto}
.segment{
  display:flex;align-items:center;gap:10px;padding:13px 20px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--ink-200);font-size:15.5px;font-weight:600;color:var(--ink-700);
  transition:.25s var(--ease)
}
.segment:hover{border-color:var(--brand-400);color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.segment svg{width:19px;height:19px;color:var(--teal-500)}

/* ---------- 18. Methods ---------- */
.method{
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;
  background:#fff;border:1px solid var(--ink-200);border-radius:var(--radius);padding:26px;
  transition:.28s var(--ease)
}
.method:hover{border-color:var(--brand-300);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.method__ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;background:var(--teal-50);color:var(--teal-600);border:1px solid rgba(0,176,174,.2)}
.method__ico svg{width:23px;height:23px}
.method h3{font-size:18px;margin-bottom:8px}
.method p{font-size:15px;color:var(--ink-600);margin:0}

/* ---------- 19. Footer ---------- */
.site-footer{background:var(--brand-900);color:#8fa6c6;padding:clamp(44px,5vw,64px) 0 28px;font-size:15px}
.site-footer a{color:#b9cbe6}
.site-footer a:hover{color:#fff}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
@media(max-width:820px){.footer__grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer__grid{grid-template-columns:1fr;gap:26px}}
.footer__grid .logo{color:#fff;margin-bottom:14px}
.footer__grid .logo b{color:var(--teal-400)}
.footer__about{max-width:380px;line-height:1.6;font-size:14.5px}
.footer__title{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px;letter-spacing:.01em}
.footer__list{list-style:none;padding:0;margin:0;display:grid;gap:9px;font-size:14.5px}
.footer__bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;padding-top:22px;font-size:13.5px;color:#6d84a5}
.footer__tg{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border-radius:var(--radius-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#fff!important;font-weight:600;font-size:14.5px;transition:.25s var(--ease)}
.footer__tg:hover{background:#229ed9;border-color:#229ed9}
.footer__tg svg{width:18px;height:18px}
.footer__disclaimer{font-size:12.5px;color:#5b7194;line-height:1.55;margin-top:16px;max-width:900px}

/* ---------- 20. Floating actions ---------- */
.fab{
  position:fixed;right:20px;bottom:20px;z-index:90;display:flex;flex-direction:column;gap:12px;align-items:flex-end
}
.fab__tg{
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,#2aabee,#229ed9);box-shadow:0 12px 30px rgba(34,158,217,.45);
  transition:transform .25s var(--ease)
}
.fab__tg:hover{transform:scale(1.08);color:#fff}
.fab__tg svg{width:28px;height:28px}
.fab__tg::after{
  content:'';position:absolute;inset:0;border-radius:50%;border:2px solid rgba(42,171,238,.6);
  animation:ring 2.4s ease-out infinite
}
@keyframes ring{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.65);opacity:0}}
.fab__up{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:#fff;color:var(--ink-700);border:1px solid var(--ink-200);box-shadow:var(--shadow-sm);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s var(--ease)
}
.fab__up.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.fab__up svg{width:19px;height:19px}
@media(max-width:600px){.fab{right:14px;bottom:14px}.fab__tg{width:52px;height:52px}}

/* ---------- 21. Cookie ---------- */
.cookie{
  position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(24px);
  z-index:95;max-width:560px;width:calc(100% - 32px);
  display:none;align-items:center;gap:16px;
  background:#fff;color:var(--ink-700);padding:16px 20px;
  border:1px solid var(--ink-200);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  font-size:14px;opacity:0;transition:.4s var(--ease)
}
.cookie.is-visible{display:flex;opacity:1;transform:translateX(-50%) translateY(0)}
.cookie p{margin:0;flex:1;line-height:1.45}
.cookie .btn{padding:11px 22px;font-size:14px;flex:none}
@media(max-width:560px){.cookie{flex-direction:column;text-align:center}.cookie .btn{width:100%}}

/* ---------- 22. Reveal animation ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}

/* ---------- 23. Utils ---------- */
.text-center{text-align:center}
.mt-32{margin-top:32px}
.mt-40{margin-top:40px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nowrap{white-space:nowrap}

/* ---------- 24. Small screens ---------- */
@media(max-width:480px){
  .btn{padding:14px 20px;font-size:15.5px}
  .btn--lg{padding:16px 22px;font-size:16px}
  .cta-band__btns .btn,.hero__cta .btn{width:100%}
  .calc__label{font-size:15px}
  .calc__total{font-size:38px}
  .method{grid-template-columns:1fr;gap:14px}
  .case__body{flex-wrap:wrap}
}

/* ---------- 25. Прайс-лист ---------- */
.pricetabs__hint{
  max-width:760px;margin:18px auto 0;text-align:center;
  font-size:14.5px;color:var(--ink-600);line-height:1.6;
}
.pricetable__note{display:block;font-size:13px;color:var(--ink-500);font-weight:500;margin-top:3px}
.pricetable td:not(:first-child),.pricetable th:not(:first-child){text-align:right;white-space:nowrap}
.pricetable th:nth-child(2),.pricetable td:nth-child(2){font-weight:800;color:var(--ink-900)}
.pricetable td:last-child:not(:nth-child(2)){font-weight:600;color:var(--ink-600)}
@media(max-width:560px){
  .pricetable th:nth-child(3),.pricetable td:nth-child(3){display:none}
}