/* ============================================================================
   kvoip.com.br — faixa de topo + menu flutuante (o mesmo em todas as páginas)
   Tudo aqui usa o prefixo "kh-" para não bater com .topo/.menu/.redes do
   site.css antigo, que continua carregado nas páginas internas.
   ========================================================================== */
:root{
  --kh-navy:#0A0F24;--kh-ink:#0F1629;--kh-blue:#036CE9;--kh-blue-2:#2F86F6;
  --kh-cyan:#58C9EA;--kh-wpp:#25D366;--kh-soft:#F3F6FB;--kh-line:#E5E9F2;--kh-muted:#6B7489;
  --kh-ease:cubic-bezier(.2,.7,.2,1);--kh-barra:40px;
}
.kh-barra,.kh-topo,.kh-mob{font-family:"Inter",system-ui,sans-serif;-webkit-font-smoothing:antialiased;box-sizing:border-box}
.kh-barra *,.kh-topo *,.kh-mob *{box-sizing:border-box}
.kh-barra a,.kh-topo a,.kh-mob a{text-decoration:none}

/* ── Faixa de topo: login, telefone, suporte e redes sociais ─────────── */
.kh-barra{position:absolute;top:0;left:0;right:0;z-index:101;height:var(--kh-barra);background:var(--kh-navy);color:#9AA7C2;font-size:.8rem;border-bottom:1px solid rgba(255,255,255,.07)}
.kh-barra.kh-transp{background:transparent}
.kh-barra-in{max-width:1240px;height:100%;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:18px}
.kh-login{display:flex;align-items:center;gap:4px}
.kh-login span{margin-right:6px;color:#6F7C99}
.kh-login a,.kh-barra-dir>a{color:#C9D3E8;padding:6px 8px;border-radius:8px;transition:color .2s,background .2s}
.kh-login a:hover,.kh-barra-dir>a:hover{color:#fff;background:rgba(255,255,255,.07)}
.kh-barra-dir{margin-left:auto;display:flex;align-items:center;gap:6px}
.kh-barra-dir>a{display:inline-flex;align-items:center;gap:6px}
.kh-barra-dir>a svg{color:var(--kh-cyan)}
.kh-barra-dir>a.kh-a-0800 em{font-style:normal;font-size:.68rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#7EE2A8;background:rgba(37,211,102,.14);padding:3px 7px;border-radius:999px}
.kh-sep{width:1px;height:16px;background:rgba(255,255,255,.14);margin:0 8px}
.kh-redes{display:flex;align-items:center;gap:2px}
.kh-redes a{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:#AFBBD4;transition:color .2s,background .2s}
.kh-redes a:hover{color:#fff;background:rgba(255,255,255,.1)}

/* ── Menu flutuante ─────────────────────────────────────────────────── */
.kh-topo{position:fixed;left:0;right:0;top:calc(var(--kh-barra) + 12px);z-index:100;pointer-events:none;transition:top .35s var(--kh-ease)}
.kh-topo.rolou{top:10px}
.kh-topo-in{pointer-events:auto;display:flex;align-items:center;gap:28px;max-width:1240px;margin:0 auto;padding:12px 14px 12px 26px;border-radius:999px;border:1px solid transparent;transition:background .35s,box-shadow .35s,border-color .35s,max-width .35s var(--kh-ease)}
.kh-topo.rolou .kh-topo-in,.kh-topo.kh-solido .kh-topo-in{max-width:1180px;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.6) blur(16px);-webkit-backdrop-filter:saturate(1.6) blur(16px);border-color:rgba(15,22,41,.07);box-shadow:0 14px 40px -18px rgba(15,22,41,.28)}
.kh-marca{position:relative;display:block;width:132px;height:36px;flex:0 0 auto}
.kh-marca img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:left center;transition:opacity .3s;max-width:none}
.kh-marca .kh-m-cor{opacity:0}
.kh-topo.rolou .kh-m-cor,.kh-topo.kh-solido .kh-m-cor{opacity:1}
.kh-topo.rolou .kh-m-bra,.kh-topo.kh-solido .kh-m-bra{opacity:0}
.kh-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.kh-menu>a,.kh-dd>button{font:500 .93rem/1 "Inter",system-ui,sans-serif;color:rgba(255,255,255,.86);padding:11px 14px;border-radius:999px;background:none;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:background .2s,color .2s;white-space:nowrap}
.kh-menu>a:hover,.kh-dd>button:hover,.kh-dd.aberto>button{background:rgba(255,255,255,.1);color:#fff}
.kh-topo.rolou .kh-menu>a,.kh-topo.rolou .kh-dd>button,.kh-topo.kh-solido .kh-menu>a,.kh-topo.kh-solido .kh-dd>button{color:var(--kh-ink)}
.kh-topo.rolou .kh-menu>a:hover,.kh-topo.rolou .kh-dd>button:hover,.kh-topo.rolou .kh-dd.aberto>button,
.kh-topo.kh-solido .kh-menu>a:hover,.kh-topo.kh-solido .kh-dd>button:hover,.kh-topo.kh-solido .kh-dd.aberto>button{background:var(--kh-soft)}
.kh-menu>a[aria-current=page]{color:#fff;background:rgba(255,255,255,.12)}
.kh-topo.rolou .kh-menu>a[aria-current=page],.kh-topo.kh-solido .kh-menu>a[aria-current=page]{color:var(--kh-blue);background:#EAF2FE}
.kh-menu>a.kh-suporte{border:1px solid rgba(88,201,234,.45);color:#fff;margin-left:6px}
.kh-menu>a.kh-suporte svg{color:var(--kh-cyan)}
.kh-topo.rolou .kh-menu>a.kh-suporte,.kh-topo.kh-solido .kh-menu>a.kh-suporte{border-color:rgba(3,108,233,.3);color:var(--kh-blue)}
.kh-topo.rolou .kh-menu>a.kh-suporte svg,.kh-topo.kh-solido .kh-menu>a.kh-suporte svg{color:var(--kh-blue)}

.kh-dd{position:relative}
.kh-dd>button svg{transition:transform .25s}
.kh-dd.aberto>button svg{transform:rotate(180deg)}
.kh-painel{position:absolute;top:calc(100% + 14px);left:50%;transform:translate(-50%,8px);opacity:0;visibility:hidden;background:#fff;border-radius:20px;box-shadow:0 30px 70px -20px rgba(15,22,41,.35);border:1px solid var(--kh-line);padding:10px;min-width:240px;transition:opacity .25s,transform .25s var(--kh-ease),visibility .25s;text-align:left}
.kh-painel::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}
.kh-dd.aberto .kh-painel{opacity:1;visibility:visible;transform:translate(-50%,0)}
.kh-painel a{display:block;padding:10px 14px;border-radius:10px;font-size:.92rem;line-height:1.35;color:var(--kh-ink);font-weight:500}
.kh-painel a:hover{background:var(--kh-soft);color:var(--kh-blue)}
.kh-painel.kh-mega{left:-24px;transform:translate(0,8px)}
.kh-dd.aberto .kh-painel.kh-mega{transform:none}
.kh-mega{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:6px;min-width:760px;padding:14px}
.kh-mega h4{margin:0;font:600 .72rem/1 "Inter",system-ui,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--kh-muted);padding:10px 14px 8px}
.kh-mega-2col{display:grid;grid-template-columns:1fr 1fr}
.kh-mega-cta{background:linear-gradient(150deg,#121936,#0B2A66);border-radius:14px;padding:22px;color:#cfd8ec;display:flex;flex-direction:column;gap:12px}
.kh-mega-cta h4{color:#fff;padding:0;font:600 1.05rem/1.25 "Inter",system-ui,sans-serif;letter-spacing:-.01em;text-transform:none}
.kh-mega-cta p{margin:0;font-size:.88rem;line-height:1.5}
.kh-mega-cta a{margin-top:auto;align-self:flex-start;background:var(--kh-cyan);color:var(--kh-navy);padding:11px 16px;border-radius:999px;font-weight:600;font-size:.86rem}
.kh-mega-cta a:hover{background:#7ad6f0;color:var(--kh-navy)}

.kh-cta{display:inline-flex;align-items:center;gap:8px;font:600 .9rem/1 "Inter",system-ui,sans-serif;padding:13px 20px;border-radius:999px;background:var(--kh-blue);color:#fff;box-shadow:0 10px 30px -10px rgba(3,108,233,.8);transition:transform .25s var(--kh-ease),background .25s;white-space:nowrap}
.kh-cta:hover{background:var(--kh-blue-2);color:#fff;transform:translateY(-2px)}
.kh-sup-mob{flex:0 0 auto;white-space:nowrap;display:none;margin-left:auto;align-items:center;gap:7px;height:46px;padding:0 16px;border-radius:999px;border:1px solid rgba(88,201,234,.45);background:rgba(255,255,255,.08);color:#fff;font:600 .9rem/1 "Inter",system-ui,sans-serif}
.kh-sup-mob svg{color:var(--kh-cyan)}
.kh-topo.rolou .kh-sup-mob,.kh-topo.kh-solido .kh-sup-mob{background:#fff;color:var(--kh-blue);border-color:rgba(3,108,233,.3)}
.kh-topo.rolou .kh-sup-mob svg,.kh-topo.kh-solido .kh-sup-mob svg{color:var(--kh-blue)}
.kh-hamb{flex:0 0 auto;display:none;margin-left:8px;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;align-items:center;justify-content:center;padding:0}
.kh-topo.rolou .kh-hamb,.kh-topo.kh-solido .kh-hamb{color:var(--kh-ink);border-color:var(--kh-line);background:#fff}

/* ── Menu de celular (tela cheia) ───────────────────────────────────── */
.kh-mob{position:fixed;inset:0;z-index:99;background:var(--kh-navy);padding:130px 24px 32px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .3s,transform .3s var(--kh-ease),visibility .3s}
.kh-mob.aberto{opacity:1;visibility:visible;transform:none}
.kh-mob h4{font:600 .72rem/1 "Inter",system-ui,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--kh-cyan);margin:26px 0 10px}
.kh-mob-grande a{display:block;font:700 1.6rem/1.2 "Inter",system-ui,sans-serif;color:#fff;padding:9px 0;letter-spacing:-.02em}
.kh-mob-grande a[aria-current=page]{color:var(--kh-cyan)}
.kh-mob-peq{display:flex;flex-wrap:wrap;gap:8px}
.kh-mob-peq a{color:#cfd8ec;font-size:.92rem;padding:9px 14px;border:1px solid rgba(255,255,255,.14);border-radius:999px}
.kh-mob .kh-redes{margin-top:6px;gap:8px}
.kh-mob .kh-redes a{width:44px;height:44px;border:1px solid rgba(255,255,255,.14)}
.kh-mob-wpp{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;margin-top:28px;padding:18px 24px;border-radius:999px;background:var(--kh-wpp);color:#062B14;font-weight:600}
body.kh-menu-aberto{overflow:hidden}
body.kh-menu-aberto .wpp-flut,body.kh-menu-aberto .kv-convite{display:none}
body.kh-menu-aberto .kh-topo .kh-topo-in{background:transparent;box-shadow:none;border-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
body.kh-menu-aberto .kh-topo .kh-m-cor{opacity:0}
body.kh-menu-aberto .kh-topo .kh-m-bra{opacity:1}
body.kh-menu-aberto .kh-topo .kh-hamb,body.kh-menu-aberto .kh-topo .kh-sup-mob{color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25)}
body.kh-menu-aberto .kh-topo .kh-sup-mob svg{color:var(--kh-cyan)}

/* Espaço reservado nas páginas internas: o menu é fixo e não ocupa lugar */
.kh-espaco{height:calc(var(--kh-barra) + 96px)}

@media (max-width:1200px){
  .kh-menu,.kh-cta{display:none}
  .kh-hamb,.kh-sup-mob{display:inline-flex}
}
@media (max-width:900px){
  .kh-login{display:none}
  .kh-barra-dir{margin-left:0;width:100%}
  .kh-barra-dir .kh-redes{margin-left:auto}
  .kh-barra-dir .kh-a-sup,.kh-barra-dir .kh-sep{display:none}
}
@media (max-width:640px){
  .kh-barra-in{padding:0 12px}
  .kh-barra-dir .kh-a-0800{display:none}
  .kh-topo{top:calc(var(--kh-barra) + 8px)}
  .kh-topo.rolou{top:8px}
  .kh-topo-in{margin:0 8px;padding:8px 8px 8px 18px;gap:8px}
  .kh-marca{width:112px;height:32px}
  .kh-redes a{width:28px;height:28px}
  .kh-espaco{height:calc(var(--kh-barra) + 80px)}
}
@media (max-width:370px){
  .kh-sup-mob{padding:0 12px}
  .kh-sup-mob span{display:none}
}
@media (prefers-reduced-motion:reduce){
  .kh-topo,.kh-topo-in,.kh-painel,.kh-mob{transition:none}
}