/* Base */
html, body {
    margin: 0;
    padding: 0;
}
body {
    font-family: "Exo 2", sans-serif;
    background: #000;
    color: #fff;
}

/* Camadas */
.af-common-layer {
    position: relative;
    z-index: 1; /* Conteúdos comuns atrás */
}
.af-page-content {
    position: relative;
    z-index: 2; /* Conteúdo da página à frente */
    padding: 160px 20px 40px;
}

/* Fundo vídeo */
.af-bg-video-wrapper {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}
.af-bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Header */
.af-header {
    position: fixed;
    z-index: 10;
    top: 0;
    left: 0;
    right: 0;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

/* Logo */
.af-logo {
    position: relative;
    z-index: 11;
    margin: 0;
    font-size: 0;
    font-weight: 700;
    transform-origin: left top;
    animation: af-logo-scale 1s ease-out forwards;
}
.af-logo-part {
    display: inline-block;
    font-size: 50px;
    color: #fff;
    text-shadow:
        1px 1px 0 #000,
        2px 2px 0 #000,
        3px 3px 4px rgba(0,0,0,0.8);
}

/* Subtítulo */
.af-subtitle {
    position: relative;
    z-index: 11;
    margin: 5px 0 0;
    font-size: 20px;
    opacity: 0;
    transform: scale(0);
    animation: af-subtitle-appear 0.8s ease-out forwards;
    animation-delay: 1s;
}

/* Botões som */
.af-audio-controls {
    position: relative;
    z-index: 12;
    display: flex;
    gap: 8px;
}
.af-btn-audio {
    border: 1px solid #fff;
    background: transparent;
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
}

/* Menu */
.af-menu-wrapper {
    position: fixed;
    z-index: 13
    top: 80px;
    left: 20px;
}
.af-menu-toggle {
    width: 2cm;
    height: 2cm;
    background: transparent;
    border: none;
    box-shadow:
        1px 1px 0 #000,
        2px 2px 4px rgba(0,0,0,0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}
.af-menu-bar {
    width: 70%;
    height: 3px;
    background: #fff;
    border-radius: 2px;
}
.af-menu-panel {
    margin-top: 8px;
    display: none;
    flex-direction: column;
}
.af-menu-panel.af-open {
    display: flex;
}
.af-menu-item {
    font-size: 20px;
    color: #fff;
    text-decoration: none;
    padding: 4px 0;
    text-shadow:
        1px 1px 0 #000,
        2px 2px 4px rgba(0,0,0,0.8);
}
.af-menu-item:hover {
    font-weight: 700;
    color: #66b3ff;
}

/* Animações */
@keyframes af-logo-scale {
    from { transform: scale(0); }
    to   { transform: scale(1); }
}
@keyframes af-subtitle-appear {
    from { opacity: 0; transform: scale(0); }
    to   { opacity: 1; transform: scale(1); }
}