/* =========================================================
   Loader Global — Bruno Mota
   Paleta navy + dourado (alinhada com header.css e atuacao.css)
   Logo com mesma tipografia/efeito do header (Fraunces + shine dourado)
   ========================================================= */

#bm-loader {
    --loader-bg: #0a0f1c;      /* navy-950, mesma da atuação */
    --gold: #c9962c;
    --gold-light: #f5a623;     /* gold-accent */
    --gold-dark: #8f651f;
    --text-muted: #b7bdcc;

    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--loader-bg);
    display: grid;
    place-items: center;
    transition: transform 1.1s cubic-bezier(0.76, 0, 0.24, 1) .2s;
}

#bm-loader.is-hidden {
    transform: translateY(-100%);
    pointer-events: none;
}

#bm-loader .bm-loader-inner {
    text-align: center;
    opacity: 0;
    animation: bm-fadeup .6s .2s forwards;
}

/* ---------- Logo "BM" — idêntica ao header ---------- */
#bm-loader .bm-loader-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(100deg, var(--gold-dark) 0%, var(--gold) 20%, #fbe7b8 40%, var(--gold) 60%, var(--gold-dark) 100%);
    background-size: 250% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 450;
    font-size: 4.5rem;
    line-height: 1;
    letter-spacing: -0.5px;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.45));
    animation: logo-shine 3.5s linear infinite;
}

@keyframes logo-shine {
    0%   { background-position: 200% center; }
    100% { background-position: -50% center; }
}

#bm-loader .bm-loader-sub {
    margin-top: 1.25rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 10.5px;
    letter-spacing: 3.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    opacity: 0.9;
}

#bm-loader .bm-loader-bar {
    margin: 2rem auto 0;
    width: 160px;
    height: 1px;
    background: linear-gradient(100deg, var(--gold-dark) 0%, var(--gold) 20%, #fbe7b8 40%, var(--gold) 60%, var(--gold-dark) 100%);
    transform-origin: left;
    transform: scaleX(0);
    animation: bm-barfill 1s .35s cubic-bezier(0.4,0,0.2,1) forwards;
}

@keyframes bm-fadeup { to { opacity: 1; transform: translateY(0); } }
@keyframes bm-barfill { to { transform: scaleX(1); } }

@media (prefers-reduced-motion: reduce) {
    #bm-loader, #bm-loader * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    #bm-loader .bm-loader-logo {
        animation: none;
    }
}

html.bm-loading,
body.bm-loading {
    overflow: hidden;
}

/* ---- Solução robusta contra "flash" da barra de rolagem ----
   O CSS acima depende da classe .bm-loading que o JS adiciona;
   entre o navegador desenhar a página e o script rodar, pode
   sobrar uma fração de segundo com o scroll visível.
   Com :has(), o navegador trava o scroll sozinho, via CSS puro,
   assim que o #bm-loader existir na tela — sem esperar o JS. */
html:has(#bm-loader:not(.is-hidden)) {
    overflow: hidden;
}

/* =========================================================
   Ícones flutuantes — só aparecem depois do loader sumir
   (a classe .social-float já existe em footer.css; aqui só
   controlamos a visibilidade inicial + transição de entrada)
   ========================================================= */

body.bm-loading .social-float {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.social-float {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.social-float .social-float__item,
.social-float .social-float__whatsapp-wrap {
    opacity: 0;
    /* "translate" em vez de "transform": propriedade independente do
       "scale" usado no :hover (footer.css), então as duas transições
       (entrada lenta e hover rápido) não competem entre si */
    translate: 0 8px;
}

.social-float.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.social-float.is-visible .social-float__item,
.social-float.is-visible .social-float__whatsapp-wrap {
    opacity: 1;
    translate: 0 0;
}

/* cascata suave: cada ícone entra um pouco depois do anterior */
.social-float .social-float__item:nth-child(1),
.social-float .social-float__whatsapp-wrap:nth-child(1) { transition-delay: 0.1s; }
.social-float .social-float__item:nth-child(2),
.social-float .social-float__whatsapp-wrap:nth-child(2) { transition-delay: 0.25s; }
.social-float .social-float__item:nth-child(3),
.social-float .social-float__whatsapp-wrap:nth-child(3) { transition-delay: 0.4s; }
.social-float .social-float__item:nth-child(4),
.social-float .social-float__whatsapp-wrap:nth-child(4) { transition-delay: 0.55s; }

@media (prefers-reduced-motion: reduce) {
    .social-float,
    .social-float .social-float__item,
    .social-float .social-float__whatsapp-wrap {
        transition: none;
    }
    .social-float.is-visible .social-float__item,
    .social-float.is-visible .social-float__whatsapp-wrap {
        opacity: 1;
        translate: 0 0;
    }
}