/* ============================================================
   ОБЩАЯ ОБОЛОЧКА (HEADER + FOOTER) — единый компонент сайта
   Подключается на лендинг, /calc/*, /blog/*, /legal/*, /404
   ============================================================ */

:root{
  --wine:#4A1023; --wine-1:#5d172e;
  --brass:#B5915A; --brass-1:#a07f49; --brass-2:#8a6e3f;
  --cream:#FBF6EC; --cream-1:#F5EDDC;
  --coal:#1E1A18; --coal-1:#2a2421; --coal-2:#494340;
  --line:#E4D9C5; --muted:#8a7f6e;
}

/* ===== Header ===== */
.site-nav{position:sticky;top:0;background:rgba(251,246,236,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:100}
.site-nav-inner{max-width:1760px;margin:0 auto;padding:14px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px}

.site-brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--coal);flex-shrink:0}
.site-brand-mark{width:44px;height:44px;background:var(--wine);color:var(--cream);display:flex;align-items:center;justify-content:center;border-radius:6px;font-family:'Manrope',sans-serif;font-weight:800;font-size:26px;line-height:1;letter-spacing:-.02em;flex-shrink:0}
.site-brand-text{font-family:'Manrope',sans-serif;font-weight:800;font-size:18px;color:var(--coal);letter-spacing:-.018em;line-height:1.05}
.site-brand-text small{display:block;font-family:'JetBrains Mono',monospace;font-weight:400;font-size:10px;color:var(--coal-2);letter-spacing:.08em;text-transform:uppercase;margin-top:3px;white-space:nowrap}

.site-nav-links{display:flex;gap:28px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--coal-2);align-items:center}
.site-nav-links a{color:var(--coal-2);text-decoration:none;transition:color .14s;white-space:nowrap}
.site-nav-links a:hover{color:var(--wine)}

.site-cta{background:var(--wine);color:var(--cream);font-family:'Manrope',sans-serif;font-weight:700;font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:11px 22px;border-radius:4px;text-decoration:none;transition:background .14s;white-space:nowrap;flex-shrink:0}
.site-cta:hover{background:var(--wine-1);color:var(--cream)}

/* ===== Footer ===== */
.site-footer{background:var(--coal);color:rgba(251,246,236,.7);padding:64px 56px 32px}
.site-footer-inner{max-width:1760px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr 1fr;gap:48px;margin-bottom:40px}
.site-footer-cell h5{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass);margin:0 0 14px;font-weight:700}
.site-footer-cell a{color:rgba(251,246,236,.7);font-family:'Inter',sans-serif;font-size:13.5px;display:block;padding:4px 0;text-decoration:none;transition:color .14s}
.site-footer-cell a:hover{color:var(--cream)}
.site-footer-cell p{font-family:'Inter',sans-serif;font-size:13px;line-height:1.55;color:rgba(251,246,236,.55);margin:14px 0 0}

.site-footer-brand .site-brand-mark{background:var(--brass);color:var(--coal)}
.site-footer-brand .site-brand-text{color:var(--cream)}
.site-footer-brand .site-brand-text small{color:rgba(251,246,236,.55)}

.site-footer-bottom{max-width:1760px;margin:0 auto;padding-top:24px;border-top:1px solid rgba(229,217,197,.12);font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.06em;color:rgba(251,246,236,.45);text-transform:uppercase;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ===== Адаптив ===== */
@media (max-width:1200px){
  .site-nav-links{gap:20px;font-size:10.5px}
  .site-nav-inner{padding:12px 32px}
  .site-footer{padding:48px 32px 28px}
  .site-footer-inner{grid-template-columns:1fr 1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .site-nav-links{display:none}
  .site-nav-inner{padding:10px 20px;gap:12px}
  .site-brand-text small{display:none}
  .site-brand-text{font-size:16px}
  .site-cta{padding:9px 16px;font-size:11px}
  .site-footer-inner{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:540px){
  .site-brand-mark{width:38px;height:38px;font-size:14px}
  .site-cta{padding:8px 14px;font-size:10px}
  .site-footer{padding:40px 20px 24px}
  .site-footer-inner{grid-template-columns:1fr;gap:20px}
  .site-footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* ===== Burger button (mobile menu) ===== */
.site-burger{display:none;background:transparent;border:0;width:40px;height:40px;cursor:pointer;padding:8px;flex-direction:column;justify-content:space-between;align-items:stretch;flex-shrink:0}
.site-burger span{display:block;width:100%;height:2px;background:var(--coal);border-radius:2px;transition:transform .2s,opacity .2s}
.site-burger.is-open span:nth-child(1){transform:translateY(10px) rotate(45deg)}
.site-burger.is-open span:nth-child(2){opacity:0}
.site-burger.is-open span:nth-child(3){transform:translateY(-10px) rotate(-45deg)}
@media (max-width:900px){
  .site-burger{display:flex}
  .site-cta{display:none}
  .site-nav-links{position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--cream);flex-direction:column;gap:0;padding:24px 32px;display:none;font-size:14px;letter-spacing:.08em;border-top:1px solid var(--line);z-index:99;overflow-y:auto}
  .site-nav-links.is-open{display:flex}
  .site-nav-links a{padding:18px 0;border-bottom:1px solid var(--line);color:var(--coal)}
  .site-nav-links a:last-child{border-bottom:0}
  .site-nav-links::after{content:"Записаться →";display:block;background:var(--wine);color:var(--cream);text-align:center;padding:18px;margin-top:18px;border-radius:4px;font-weight:700;letter-spacing:.06em;font-family:'Manrope',sans-serif}
}