/* ============================================================
   Spaif Касса — kassa.css (общий каркас сайта)
   Премиально, чисто, БЕЗ неона. Inter / system-ui.
   ============================================================ */

/* ---------- RESET / БАЗА ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:#0b1626;
  background:#ffffff;
  font-size:16px;
  line-height:1.6;
  overflow-x:hidden;            /* ничего не «съезжает» вбок ни на какой ширине */
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,a,li,span,figcaption{overflow-wrap:break-word;word-break:normal}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid #1366ff;outline-offset:2px;border-radius:6px}
::selection{background:rgba(19,102,255,.16);color:#0b1626}

/* ---------- ТОКЕНЫ ---------- */
:root{
  --primary:#1366ff;
  --primary-dark:#0d4fd1;
  --ink:#0b1626;
  --muted:#5a6b80;
  --line:#e6ecf3;
  --bg:#ffffff;
  --bg-soft:#f7fafd;
  --dark:#0a1626;
  --dark-text:#e6eef7;
  --green:#16a34a;
  --green-soft:#e8f7ee;
  --radius:18px;
  --radius-sm:14px;
  --radius-lg:22px;
  --shadow:0 8px 30px rgba(10,30,60,.06);
  --shadow-hover:0 14px 44px rgba(10,30,60,.10);
  --header-h:68px;
}

/* ---------- ЛЭЙАУТ-ХЕЛПЕРЫ ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.sec{padding:72px 0}
.sec-sm{padding:40px 0}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- ТИПОГРАФИКА ---------- */
.eyebrow{
  display:inline-block;
  text-transform:uppercase;
  letter-spacing:.10em;
  font-size:13px;
  font-weight:700;
  color:var(--primary);
  margin:0 0 14px;
}
.h1{
  font-size:clamp(32px,5vw,46px);
  line-height:1.08;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  margin:0 0 18px;
}
.h2{
  font-size:clamp(26px,3.4vw,36px);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.015em;
  color:var(--ink);
  margin:0 0 14px;
}
.h3{
  font-size:clamp(18px,2vw,20px);
  line-height:1.3;
  font-weight:700;
  color:var(--ink);
  margin:0 0 8px;
}
.lead{
  font-size:18px;
  line-height:1.6;
  color:var(--muted);
  max-width:720px;
  margin:0 0 8px;
}
.muted{color:var(--muted)}

/* ---------- КНОПКИ ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
  transition:transform .12s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 8px 22px rgba(19,102,255,.28);
}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 12px 28px rgba(19,102,255,.34)}
.btn-ghost{
  background:#fff;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{border-color:#c8d6e8;background:var(--bg-soft)}
.dark .btn-ghost{
  background:transparent;
  color:var(--dark-text);
  border-color:rgba(230,238,247,.22);
}
.dark .btn-ghost:hover{background:rgba(230,238,247,.08);border-color:rgba(230,238,247,.4)}

/* ---------- ФОРМЫ (единый стиль всех полей) ---------- */
input[type=text],input[type=tel],input[type=email],input[type=search],input[type=number],textarea{
  width:100%;
  height:50px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  font-size:16px;
  font-family:inherit;
  color:var(--ink);
  background:#fff;
  transition:border-color .15s ease,box-shadow .15s ease;
}
textarea{height:auto;min-height:110px;padding:12px 16px;line-height:1.5}
input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(19,102,255,.14)}
input::placeholder,textarea::placeholder{color:#9aa9bd}
.field{display:block;margin:0 0 14px}
.field>span,.field>label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin:0 0 6px}
form .btn[type=submit]{width:100%;margin-top:4px}

/* ---------- PILL / БЕЙДЖИ ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--bg-soft);
  border:1px solid var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--muted);
}
.dark .pill{background:rgba(230,238,247,.06);border-color:rgba(230,238,247,.14);color:var(--dark-text)}
.badge-green{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--green-soft);
  color:#0f7a37;
  border:1px solid rgba(22,163,74,.18);
  font-size:13px;
  font-weight:700;
}

/* ---------- ПОДЛОЖКИ СЕКЦИЙ ---------- */
.bg-soft,.bg{background:var(--bg-soft)}
.dark{
  background:var(--dark);
  color:var(--dark-text);
}
.dark .h1,.dark .h2,.dark .h3{color:#fff}
.dark .lead,.dark .muted{color:#a9bad0}
.dark .eyebrow{color:#7fb0ff}
.dark .card{
  background:rgba(255,255,255,.04);
  border-color:rgba(230,238,247,.10);
  color:var(--dark-text);
}
.dark .kv-row{border-color:rgba(230,238,247,.12)}

/* ---------- ГРИД ---------- */
.grid{display:grid;gap:22px}
.cols-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.cols-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.cols-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

/* ---------- КАРТОЧКИ ---------- */
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow);
  transition:transform .15s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}

/* ---------- FEATURE ---------- */
.feature{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .15s ease,box-shadow .2s ease;
}
.feature:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.feature .feature-icon,.feature .feat-ico,.feature>span:first-child{
  display:flex;
  align-items:center;
  justify-content:center;
  width:54px;
  height:54px;
  border-radius:16px;
  background:linear-gradient(135deg,#eef4ff,#e3edff);
  font-size:26px;
  line-height:1;
  margin:0 0 16px;
}
.dark .feature{background:rgba(255,255,255,.04);border-color:rgba(230,238,247,.10)}
.dark .feature .feature-icon,.dark .feature .feat-ico,.dark .feature>span:first-child{background:rgba(19,102,255,.16)}

/* ---------- SPLIT ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:54px;
  align-items:center;
}
.split.reverse .split-media{order:2}
.split.reverse .split-text{order:1}

/* ---------- HERO ---------- */
/* ВАЖНО: .hero НЕ должен быть grid — 2 колонки даёт вложенный .split внутри .wrap.
   Иначе двойная сетка зажимает контент в левую половину (баг «всё влево + пустоты справа»). */
.hero{
  padding:64px 0 72px;
}
.hero .hero-media img{
  border-radius:var(--radius-lg);
  box-shadow:0 24px 60px rgba(10,30,60,.14);
}
.hero img{max-height:540px;width:auto;max-width:100%;margin:0 auto;display:block}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ---------- IMGCARD / FIGURE / GALLERY ---------- */
.imgcard{
  width:100%;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  display:block;
}
.gallery{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:22px;
}
.figure{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.figure img{width:100%;display:block}
.figure figcaption{
  padding:16px 20px;
  font-size:14px;
  color:var(--muted);
  font-weight:500;
}
.dark .figure{background:rgba(255,255,255,.04);border-color:rgba(230,238,247,.10)}
.dark .figure figcaption{color:#a9bad0}

/* ---------- КАРУСЕЛЬ (процесс оплаты) ---------- */
.carousel{max-width:480px;margin:0 auto}
.carousel-viewport{overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.carousel-track{display:flex;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.carousel-slide{flex:0 0 100%;min-width:100%}
.carousel-slide img{width:100%;height:auto;max-height:520px;object-fit:contain;background:var(--bg-soft);display:block}
.carousel-slide figcaption{padding:18px 22px 22px;border-top:1px solid var(--line)}
.carousel-slide figcaption .pill{margin:0 0 10px}
.carousel-slide figcaption .h3{margin:0 0 6px}
.carousel-thumbs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:18px 0 0}
.carousel-thumb{
  width:62px;height:62px;padding:0;
  border:2px solid var(--line);
  border-radius:12px;overflow:hidden;
  background:#fff;opacity:.5;
  transition:opacity .2s ease,border-color .2s ease,transform .2s ease;
}
.carousel-thumb img{width:100%;height:100%;object-fit:cover;background:var(--bg-soft)}
.carousel-thumb:hover{opacity:1}
.carousel-thumb.is-active{opacity:1;border-color:var(--primary);transform:translateY(-2px)}

/* ---------- KV (ключ-значение) ---------- */
.kv{display:flex;flex-direction:column}
dl{margin:0}
.kv dt{margin:14px 0 3px;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600}
.kv dt:first-child{margin-top:0}
.kv dd{margin:0;font-size:15px;font-weight:600;color:var(--ink);line-height:1.45}
.kv dd a{color:var(--primary)}
.dark .kv dt{color:#8da6c4}
.dark .kv dd{color:#fff}
.kv-row{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:18px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.kv-row:last-child{border-bottom:0}
.kv-row .kv-k{
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.04em;
  color:var(--muted);
  font-weight:600;
  flex:0 0 auto;
}
.kv-row .kv-v{
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  text-align:right;
}
.dark .kv-row .kv-v{color:#fff}

/* ============================================================
   ШАПКА (sticky)
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  gap:18px;
  height:var(--header-h);
}
.brand{display:inline-flex;align-items:center;flex:0 0 auto}
.brand img{height:34px;width:auto}
.nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:8px;
}
.nav-link{
  padding:8px 12px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
  transition:color .15s ease,background .15s ease;
}
.nav-link:hover{color:var(--ink);background:var(--bg-soft)}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.header-actions .btn{height:42px;padding:0 18px;font-size:14px}

/* активный пункт меню — через body[data-page] */
body[data-page="home"]        .nav-link[data-slug="home"],
body[data-page="benefits"]    .nav-link[data-slug="benefits"],
body[data-page="specs"]       .nav-link[data-slug="specs"],
body[data-page="integration"] .nav-link[data-slug="integration"],
body[data-page="order"]       .nav-link[data-slug="order"],
body[data-page="contacts"]    .nav-link[data-slug="contacts"]{
  color:var(--primary);
  background:rgba(19,102,255,.10);
}

/* бургер (CSS-only, чекбокс-хак) */
.nav-toggle{display:none}
.burger{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.burger span{
  display:block;
  width:20px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}

/* ============================================================
   ФУТЕР
   ============================================================ */
.site-footer{background:var(--dark);color:var(--dark-text)}
.site-footer .wrap{padding-top:60px;padding-bottom:36px}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:36px;
}
.footer-col h4{
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-weight:700;
  color:#7fa0c8;
  margin:0 0 16px;
}
.footer-col ul li{margin:0 0 11px}
.footer-col a{
  color:#c3d2e6;
  font-size:15px;
  transition:color .15s ease;
}
.footer-col a:hover{color:#fff}
.footer-contact p{
  color:#c3d2e6;
  font-size:15px;
  margin:0 0 11px;
  line-height:1.5;
}
.footer-bottom{
  margin-top:40px;
  padding-top:22px;
  border-top:1px solid rgba(230,238,247,.12);
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  align-items:center;
  font-size:13px;
  color:#8da6c4;
}

/* ============================================================
   ЛИД-МОДАЛКА
   ============================================================ */
.lead-modal{
  position:fixed;
  inset:0;
  z-index:2000;
  display:none;
  align-items:center;
  justify-content:center;
  padding:20px;
  background:rgba(7,18,36,.55);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
}
.lead-modal.open{display:flex;animation:lead-fade .18s ease}
@keyframes lead-fade{from{opacity:0}to{opacity:1}}
.lead-dialog{
  position:relative;
  width:100%;
  max-width:440px;
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:0 30px 80px rgba(10,30,60,.30);
  padding:34px 30px 30px;
  animation:lead-pop .2s ease;
}
@keyframes lead-pop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.lead-close{
  position:absolute;
  top:16px;right:16px;
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  font-size:20px;
  line-height:1;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.lead-close:hover{background:var(--bg-soft);color:var(--ink)}
.lead-eyebrow{
  text-transform:uppercase;
  letter-spacing:.10em;
  font-size:12px;
  font-weight:700;
  color:var(--primary);
  margin:0 0 8px;
}
.lead-title{font-size:24px;font-weight:800;letter-spacing:-.01em;color:var(--ink);margin:0 0 6px}
.lead-sub{font-size:15px;color:var(--muted);margin:0 0 22px}
.lead-field{margin:0 0 14px}
.lead-field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--ink);
  margin:0 0 6px;
}
.lead-field input{
  width:100%;
  height:48px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  font-size:16px;
  font-family:inherit;
  color:var(--ink);
  background:#fff;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.lead-field input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(19,102,255,.14);
}
.lead-dialog .btn{width:100%;margin-top:6px}
.lead-note{
  font-size:12px;
  color:var(--muted);
  text-align:center;
  margin:14px 0 0;
}
.lead-note a{color:var(--primary)}

/* тост */
.lead-toast{
  position:fixed;
  left:50%;
  bottom:28px;
  transform:translate(-50%,140%);
  z-index:2100;
  display:flex;
  align-items:center;
  gap:10px;
  max-width:calc(100vw - 40px);
  padding:14px 22px;
  border-radius:14px;
  background:var(--green);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 16px 40px rgba(22,163,74,.34);
  opacity:0;
  transition:transform .35s cubic-bezier(.2,.8,.2,1),opacity .35s ease;
}
.lead-toast.show{transform:translate(-50%,0);opacity:1}

/* ============================================================
   АДАПТИВ
   ============================================================ */
@media (max-width:980px){
  .hero{grid-template-columns:1fr;gap:34px;padding:44px 0 56px}
  .hero .hero-media{order:-1}
  .split{grid-template-columns:1fr;gap:34px}
  .split.reverse .split-media{order:-1}
  .split.reverse .split-text{order:0}
}

/* Бургер-меню для всего, что уже не помещает 6 пунктов + 2 кнопки в одну строку
   (включая Windows-масштаб 125-150%). Надёжный flex-wrap, без fixed-хаков. */
@media (max-width:1100px){
  .burger{display:inline-flex}
  .site-header .wrap{flex-wrap:wrap;column-gap:12px;height:auto;min-height:var(--header-h)}
  .nav,.header-actions{
    display:none;
    order:3;
    flex-basis:100%;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    margin:0;
    padding:6px 0 8px;
  }
  .nav-toggle:checked ~ .nav,
  .nav-toggle:checked ~ .header-actions{display:flex}
  .nav-link{padding:13px 14px;border-radius:12px;font-size:16px}
  .header-actions{padding:0 0 16px}
  .header-actions .btn{width:100%;height:48px;font-size:15px}
  /* бургер → крестик */
  .nav-toggle:checked ~ .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle:checked ~ .burger span:nth-child(2){opacity:0}
  .nav-toggle:checked ~ .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

@media (max-width:520px){
  .wrap{padding:0 18px}
  .sec{padding:54px 0}
  .sec-sm{padding:30px 0}
  .card,.feature{padding:22px}
  .lead-dialog{padding:30px 22px 26px}
  .footer-grid{gap:30px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
}