/* ── S2: boxed sheet ── */
.sheet{
  max-width:1150px;
  margin:24px auto;
  background:var(--surface);
  box-shadow:0 20px 60px rgba(0,0,0,.55);
  border-radius:20px;
  position:relative;
}
.sheet > header{border-radius:20px 20px 0 0}
.sheet > footer{border-radius:0 0 20px 20px}
@media (max-width:1200px){
  .sheet{margin:0;border-radius:0}
  .sheet > header,.sheet > footer{border-radius:0}
}

.sheet > header,
.sheet > main,
.sheet > footer{padding-inline:clamp(16px,3.4vw,38px)}

main > section{padding-block:var(--sp)}
main > section + section{border-top:1px solid rgba(55,35,41,.5)}

.lede{font-size:1.85rem;color:var(--ink-2);max-width:none}
.sec-head{margin-bottom:26px}
.sec-head h2{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.sec-head h2 .ico{color:var(--brand);width:.95em;height:.95em}
.sec-head p{margin-bottom:0}

/* ── masthead ── */
.masthead{
  position:sticky;top:0;z-index:60;
  background:rgba(13,7,10,.94);
  border-bottom:1px solid var(--line);
}
@supports (backdrop-filter:blur(10px)){
  .masthead{background:rgba(13,7,10,.78);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
}
.masthead-row{
  display:flex;align-items:center;gap:14px;
  min-height:68px;
}
.brand{display:inline-flex;align-items:center;flex:none;line-height:0}
.brand-logo{height:30px;width:auto;display:block}
.brand-word{font-size:2.2rem;font-weight:800;color:#fff;line-height:1}
.brand-word em{color:var(--brand)}

.mainnav{flex:1 1 auto;min-width:0;display:none}
.mainnav-list{display:flex;align-items:center;gap:6px;margin:0;padding:0;list-style:none}
.mainnav-list li{margin:0}
.mainnav-list a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  color:var(--ink-2);font-weight:600;font-size:1.55rem;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.mainnav-list a.is-current{background:rgba(228,24,39,.16);color:#fff}
@media (min-width:1024px){
  .mainnav{display:block}
  .mainnav-list a:hover{color:#fff;background:rgba(255,255,255,.06)}
}

.btn-head{margin-left:auto;padding:11px 20px;font-size:1.5rem;flex:none}
@media (max-width:359px){
  .btn-head{padding:11px 14px}
  .btn-head .narrow-only{display:none}
  .btn-head .ico{margin:0}
}
@media (min-width:1024px){.btn-head{margin-left:0}}

.burger{
  flex:none;order:9;
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--ink);font-size:2.2rem;cursor:pointer;
  transition:background .2s ease;
}
.burger:hover{background:rgba(255,255,255,.1)}
@media (min-width:1024px){.burger{display:none}}

/* ── mobile menu ── */
.mobilemenu{
  position:fixed;inset:0;z-index:200;
  display:flex;flex-direction:column;
  height:100vh;height:100dvh;
  background:#170e12;
  overflow:hidden;overscroll-behavior:contain;touch-action:none;
}
.mobilemenu-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(16px,5vw,24px);border-bottom:1px solid var(--line);flex:none;
}
.mobilemenu-title{font-weight:800;font-size:1.8rem}
.mobilemenu-close{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(228,24,39,.3);border:1px solid var(--brand);color:#fff;font-size:2.1rem;cursor:pointer;
}
.mobilemenu-list{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;touch-action:pan-y;list-style:none;margin:0;padding:18px clamp(16px,5vw,24px)}
.mobilemenu-list li{margin-bottom:8px}
.mobilemenu-list a{
  display:block;padding:14px 16px;border-radius:12px;
  color:var(--ink);font-weight:700;font-size:1.8rem;background:rgba(255,255,255,.04);
}
.mobilemenu-list a.is-current{background:var(--brand);color:#fff}
.mobilemenu-foot{flex:none;padding:18px clamp(16px,5vw,24px);border-top:1px solid var(--line)}

/* ── sticky CTA: мобильный таб-бар, десктоп — полоса ── */
.stickycta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(14,8,11,.96);
  border-top:1px solid var(--line);
  padding:9px clamp(10px,3vw,20px);
  display:flex;align-items:center;gap:10px;
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
@supports (backdrop-filter:blur(10px)){
  .stickycta{background:rgba(14,8,11,.8);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
}
.stickycta.is-on{opacity:1;visibility:visible}
.stickycta-offer{
  display:none;flex:1 1 auto;min-width:0;
  font-size:1.5rem;color:var(--ink-2);line-height:1.3;
}
.stickycta-offer b{display:block;color:var(--gold);font-size:1.7rem}
.stickycta .btn-brand,.stickycta .btn-ghost{flex:1 1 0;padding:13px 10px;font-size:1.45rem}
.stickycta-top{
  flex:none;width:46px;height:46px;border-radius:12px;padding:0;
  display:inline-flex;align-items:center;justify-content:center;font-size:2rem;
}
@media (min-width:768px){
  .stickycta{padding:11px clamp(16px,4vw,38px)}
  .stickycta-offer{display:block}
  .stickycta .btn-brand,.stickycta .btn-ghost{flex:0 0 auto;padding:13px 24px;font-size:1.55rem}
}

/* ── footer (B21·7: всё по центру) ── */
.sitefoot{
  background:#120a0d;
  border-top:1px solid var(--line);
  text-align:center;
  padding-block:44px 28px;
  margin-top:0;
}
.sitefoot .foot-logo{height:28px;width:auto;margin:0 auto 18px;display:block}
.sitefoot .foot-word{display:block;font-size:2rem;font-weight:800;color:#fff;margin-bottom:18px}
.sitefoot .foot-word em{color:var(--brand)}
.foot-tag{max-width:620px;margin:0 auto 22px;color:var(--ink-2)}
.foot-nav{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px}
.foot-nav li{margin:0}
.foot-nav a{color:var(--ink-2);font-weight:600;font-size:1.55rem}
.foot-nav a:hover{color:var(--brand)}
.foot-contacts{list-style:none;margin:0 0 24px;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 24px;color:var(--ink-2);font-size:1.5rem}
.foot-contacts li{margin:0;display:inline-flex;align-items:center;gap:8px}
.foot-contacts .ico{color:var(--brand)}
.foot-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:24px}
.foot-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--ink-2);font-size:1.4rem;font-weight:600;
}
.foot-badge .ico{color:var(--brand)}
.foot-rg{
  max-width:760px;margin:0 auto 22px;padding:16px 20px;border-radius:var(--radius);
  background:rgba(228,24,39,.08);border:1px solid rgba(228,24,39,.22);
  font-size:1.45rem;color:var(--ink-2);
}
.foot-rg strong{color:#ffb14d}
.foot-rg a{color:#ffb14d;text-decoration:underline}
.foot-legal{max-width:860px;margin:0 auto 18px;font-size:1.3rem;color:var(--ink-3);line-height:1.6;opacity:.6}
.foot-copy{font-size:1.4rem;color:var(--ink-3);display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px;align-items:center}
.foot-copy a{color:var(--ink-3)}
.foot-copy a:hover{color:var(--ink-2)}